CN104617617A - Self-adaptive storage battery charging device - Google Patents
Self-adaptive storage battery charging device Download PDFInfo
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- CN104617617A CN104617617A CN201510028709.7A CN201510028709A CN104617617A CN 104617617 A CN104617617 A CN 104617617A CN 201510028709 A CN201510028709 A CN 201510028709A CN 104617617 A CN104617617 A CN 104617617A
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- H02J7/0003—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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Abstract
A self-adaptive storage battery charging device includes a mains supply voltage transformation module, a rectifying and filtering module, a 5V voltage stabilization module, a voltage collection module, a voltage comparison module, a logical conversion module and a charging voltage adjustment module. When a storage battery group with 1.5V nominal voltage is connected, the 1.8V charging voltage adjustment module is adopted to charge the storage battery group; when a storage battery group with 3.7V nominal voltage is connected, the 4.25V charging voltage adjustment module is adopted to charge the storage battery group; when a storage battery group with 6V nominal voltage is connected, the 7.5V charging voltage adjustment module is adopted to charge the storage battery group; when a storage battery group with 9V nominal voltage is connected, the 10.625V charging voltage adjustment module is adopted to charge the storage battery group; when a storage battery group with 12V nominal voltage is connected, the 16.25V charging voltage adjustment module is adopted to charge the storage battery group. The self-adaptive storage battery charging device has the advantage of being capable of automatically identifying the voltage levels of the storage battery group and adjusting the output voltage to charge the storage battery group.
Description
Technical field
The present invention relates to a kind of charging device of storage battery.
Background technology
Along with the environmental consciousness of consumer and industry strengthens, alkaline primary battery and using containing secondary cells such as toxic metals cadmiums is restricted day by day, and rechargeable battery obtains and uses widely.On the other hand, along with the electronic apparatuss such as digital camera, MP3, mobile phone, notebook progressively enter in people's life, the use of rechargeable battery is also more universal.These rechargeable batteries need the charger of coupling to charge.
What people commonly used have, and nominal voltage is No. 5, No. 7 rechargeable batteries of 1.5V, nominal voltage is had to be the rechargeable cellphone battery of 3.7V, there is the lead acid accumulator that the nominal voltage used in toy is 6V, 12V, have nominal voltage to be the alkaline battery of 9V, these rechargeable batteries often will be used in people's life.Because these rechargeable battery kinds are more, corresponding charger kind is also more, and charger is easily lost or easily obscured use.If obscure use, in the unmatched situation of charging voltage, may cause charging unsuccessfully, or charging current too large useful life affecting storage battery.
If a kind of self adaptation battery charging plant of battery charging of applicable different electric pressure can be researched and developed, this device automatically can identify the electric pressure of batteries and automatically charge to batteries according to this electric pressure adjustment output voltage, will be highly significant.
Summary of the invention
The present invention is directed to deficiency of the prior art, there is provided a kind of self adaptation battery charging plant of battery charging of applicable different electric pressure, this device automatically can identify the electric pressure of batteries and charge to batteries according to this electric pressure adjustment output voltage.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
Self adaptation battery charging plant, comprise civil power voltage changing module, rectification filtering module, 5V Voltage stabilizing module, voltage acquisition module, voltage comparison module, logical transition module, charging voltage adjusting module, the output of charging voltage adjusting module is used for battery charging;
Described civil power voltage changing module is used for 220V civil power to carry out transformation, the output of civil power voltage changing module connects rectification filtering module, rectification filtering module is used for the output voltage of civil power voltage changing module to carry out rectifying and wave-filtering, the output dc voltage of rectification filtering module is that 5V Voltage stabilizing module and following second adjustable stabilized voltage supply are powered, 5V Voltage stabilizing module is used for providing 5V direct voltage, and the voltage output end of the second adjustable stabilized voltage supply is used for for battery charging; 5V Voltage stabilizing module employing chip is first adjustable stabilized voltage supply of LM317H, the resistance input of the first adjustable stabilized voltage supply connects the 20 resistance that resistance is 600 Ω, the 21 resistance that resistance is 200 Ω is connected with, due to the output voltage of the voltage output end of the first adjustable stabilized voltage supply between the resistance input of the first adjustable stabilized voltage supply and voltage output end
r20=600 Ω, R21=200 Ω is brought in the formula of the output voltage of the first adjustable stabilized voltage supply, obtains the output voltage U of the voltage output end of the first adjustable stabilized voltage supply
oUT1for 5V; 5V Voltage stabilizing module is used for for following reference voltage collection branch road, voltage comparison module, logical transition module provide stable 5V power supply;
Described voltage acquisition module comprises the battery tension be made up of with the second resistant series the first resistance being connected to described batteries two ends and gathers the reference voltage be made up of the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistant series that branch road and upper end be connected the voltage output end of described 5V Voltage stabilizing module and gather branch road, the resistance value ratio of described first resistance and the second resistance is 2 ﹕ 1, battery tension collection point is formed, so the voltage of battery tension collection point is batteries terminal voltage between first resistance and the second resistance
described 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, the resistance value ratio of the 8th resistance is 52 ﹕ 36 ﹕ 39 ﹕ 28 ﹕ 29 ﹕ 16, the first reference voltage collection point is formed between 3rd resistance and the 4th resistance, the second reference voltage collection point is formed between 4th resistance and the 5th resistance, the 3rd reference voltage collection point is formed between 5th resistance and the 6th resistance, the 4th reference voltage collection point is formed between 6th resistance and the 7th resistance, the 5th reference voltage collection point is formed between 7th resistance and the 8th resistance, the voltage that can be calculated the first reference voltage collection point is 3.7V, the voltage of the second reference voltage collection point is 2.8V, the voltage of the 3rd reference voltage collection point is
the voltage of the 4th reference voltage collection point is
the voltage of the 5th reference voltage collection point is 0.4V,
Described voltage comparison module comprises the first comparator, second comparator, 3rd comparator, 4th comparator, 5th comparator, described first comparator, second comparator, 3rd comparator, 4th comparator, the in-phase end of the 5th comparator connects described battery tension collection point, the end of oppisite phase of the first comparator connects described first reference voltage collection point, the end of oppisite phase of the second comparator connects described second reference voltage collection point, the end of oppisite phase of the 3rd comparator connects described 3rd reference voltage collection point, the end of oppisite phase of the 4th comparator connects described 4th reference voltage collection point, the end of oppisite phase of the 5th comparator connects described 5th reference voltage collection point, when nominal voltage is the batteries access of 12V, due to this batteries can not short of electricity to 3.7*3V and following, therefore the voltage of battery tension collection point is higher than 3.7V, first comparator exports high level to the 5th comparator, when nominal voltage is the batteries access of 9V, due to this batteries can not short of electricity to 2.8*3V and following, therefore the voltage of battery tension collection point is higher than 2.8V, but the voltage of battery tension collection point can not higher than 3.7V, therefore the first comparator output low level, second comparator exports high level to the 5th comparator, when nominal voltage is the batteries access of 6V, because this batteries can not arrive in short of electricity
and below, therefore battery tension collection point voltage higher than
but the voltage of battery tension collection point can not higher than 2.8V, therefore the first comparator to the second comparator output low level, 3rd comparator exports high level to the 5th comparator, when nominal voltage is the batteries access of 3.7V, because this batteries can not arrive in short of electricity
and below, therefore battery tension collection point voltage higher than
but the voltage of battery tension collection point can not be higher than
therefore the first comparator is to the 3rd comparator output low level, 4th comparator exports high level to the 5th comparator, when nominal voltage is the batteries access of 1.5V, due to this batteries can not short of electricity to 0.4*3V and following, therefore the voltage of battery tension collection point is higher than 0.4V, but the voltage of battery tension collection point can not be higher than
therefore the first comparator is to the 4th comparator output low level, and the 5th comparator exports high level,
Described logical transition module comprises the first not gate be connected with the output of the first comparator, the second not gate be connected with the output of the second comparator, the 3rd not gate be connected with the output of the 3rd comparator, the 4th not gate be connected with the output of the 4th comparator, the output of described first not gate is connected first and door jointly with the output of the second comparator, the output of described first not gate, the output of the second not gate, the output of the 3rd comparator connects second and door jointly, the output of described first not gate, the output of the second not gate, the output of the 3rd not gate, the output of the 4th comparator connects the 3rd and door jointly, the output of described first not gate, the output of the second not gate, the output of the 3rd not gate, the output of the 4th not gate, the output of the 5th comparator connects the 4th and door jointly, after logical transition module, when nominal voltage is the batteries access of 12V, the output of the first comparator is only had to export high level, first and door, second and door, 3rd and door, 4th with the output output low level of door, when nominal voltage is the batteries access of 9V, only have first to export high level, the output of the first comparator with the output of door, and second and door, 3rd and door, 4th with the output output low level of door, when nominal voltage is the batteries access of 6V, only have second to export high level, the output of the first comparator with the output of door, and first and door, 3rd and door, 4th with the output output low level of door, when nominal voltage is the batteries access of 3.7V, only have the 3rd to export high level, the output of the first comparator with the output of door, and first and door, second and door, 4th with the output output low level of door, when nominal voltage is the batteries access of 1.5V, only have the 4th to export high level, the output of the first comparator with the output of door, and first and door, second and door, 3rd with the output output low level of door,
Described charging voltage adjusting module comprises the first triode be connected with the output of the first comparator, the second triode be connected with the output of door with first, the 3rd triode be connected with the output of door with second, the 4th triode be connected with the output of door with the 3rd, the 5th triode be connected with the output of door with the 4th, the first light-emitting diode is connected with between the output of the first comparator and the base stage of the first triode, first and be connected with the second light-emitting diode between the output of door and the base stage of the second triode, second and be connected with the 3rd light-emitting diode between the output of door and the base stage of the 3rd triode, 3rd and be connected with the 4th light-emitting diode between the output of door and the base stage of the 4th triode, 4th and be connected with the 5th light-emitting diode between the output of door and the base stage of the 5th triode, the collector electrode of the first triode connects the 14 resistance that resistance is 2.4k Ω, the collector electrode of the second triode connects the 15 resistance that resistance is 1.5k Ω, the collector electrode of the 3rd triode connects the 16 resistance that resistance is 1k Ω, the collector electrode of the 4th triode connects the 17 resistance that resistance is 480 Ω, the collector electrode of the 5th triode connects the 18 resistance that resistance is 88 Ω, the emitter of the first triode, the emitter of the second triode, the emitter of the 3rd triode, the emitter of the 4th triode, the emitter of the 5th triode all connects the negative pole of described batteries, described 14 resistance, 15 resistance, 16 resistance, 17 resistance, the upper end parallel connection of the 18 resistance connects the resistance input of the second adjustable stabilized voltage supply afterwards, second adjustable stabilized voltage supply adopts chip LM317H, the 19 resistance that resistance is 200 Ω is connected with between the resistance input of the second adjustable stabilized voltage supply and voltage output end, the voltage output end of the second adjustable stabilized voltage supply connects the positive pole of batteries by charging protecting module, described charging protecting module is the 6th light-emitting diode, the positive pole of the 6th light-emitting diode connects the voltage output end of the second adjustable stabilized voltage supply, the negative pole of the 6th light-emitting diode connects the positive pole of batteries, 6th light-emitting diode plays and prevents the anti-effect of filling of batteries electric energy, 6th light-emitting diode also plays the effect that instruction is in charged state, the output voltage of the voltage output end of described second adjustable stabilized voltage supply
wherein, R is the input resistance of the resistance input of the second adjustable stabilized voltage supply, and R19 is 200 Ω, according to the logic of logical transition module, when nominal voltage is the batteries access of 12V, the output of the first comparator is only had to export high level, so only there is the first LEDs ON luminous, total input resistance of the resistance input of the second adjustable stabilized voltage supply is 2.4k Ω, when nominal voltage is the batteries access of 9V, first is only had to export high level with the output of door, so only there is the second LEDs ON luminous, total input resistance of the resistance input of the second adjustable stabilized voltage supply is 1.5k Ω, when nominal voltage is the batteries access of 6V, second is only had to export high level with the output of door, so only there is the 3rd LEDs ON luminous, total input resistance of the resistance input of the second adjustable stabilized voltage supply is 1k Ω, when nominal voltage is the batteries access of 3.7V, the 3rd is only had to export high level with the output of door, so only there is the 4th LEDs ON luminous, total input resistance of the resistance input of the second adjustable stabilized voltage supply is 480 Ω, when nominal voltage is the batteries access of 1.5V, the 4th is only had to export high level with the output of door, so only there is the 5th LEDs ON luminous, total input resistance of the resistance input of the second adjustable stabilized voltage supply is 88 Ω, the input resistance of above-mentioned second adjustable stabilized voltage supply is brought in the formula of the output voltage of the second adjustable stabilized voltage supply, obtaining nominal voltage is 1.5V, 3.7V, 6V, 9V, the output voltage of the second adjustable stabilized voltage supply that the batteries of 12V is corresponding, also namely nominal voltage is 1.5V, 3.7V, 6V, 9V, other charging voltage of the battery component of 12V is 1.8V, 4.25V, 7.5V, 10.625V, 16.25V.
Further, described civil power voltage changing module is used for 220V civil power to carry out the alternating current that transformation obtains 22V, and the primary winding of the transformer of civil power voltage changing module and the turn ratio of secondary coil are 10 ﹕ 1.
Further, described 4th with door comprise the 5th with door, the 6th with door and the 7th and door, the output of the first not gate, the output of the second not gate connect the 5th and door jointly, the output of the output of the 3rd not gate, the output of the 4th not gate, the 5th comparator connects the 6th and door jointly, and the 5th is connected the 7th and door with Men Yu six jointly with door.
Further, the resistance of described first resistance is 200k Ω, and the resistance of the second resistance is 100k Ω.The resistance of the first resistance and the second resistance is established to stop very greatly charging voltage adjusting module to flow through in battery tension collection branch road the charging current of batteries.
Further, the output of described first comparator is connected to the voltage output end of 5V Voltage stabilizing module by the 9th resistance, the output of the second comparator is connected to the voltage output end of 5V Voltage stabilizing module by the tenth resistance, the output of the 3rd comparator is connected to the voltage output end of 5V Voltage stabilizing module by the 11 resistance, the output of the 4th comparator is connected to the voltage output end of 5V Voltage stabilizing module by the 12 resistance, the output of the 5th comparator is connected to the voltage output end of 5V Voltage stabilizing module by the 13 resistance.
Further, described first comparator, the second comparator, the 3rd comparator, the 4th comparator, the 5th comparator all adopt chip LM393P.
The invention has the beneficial effects as follows: the self adaptation battery charging plant providing a kind of charge in batteries of applicable different electric pressure, this device automatically can identify the electric pressure of storage battery and charge to storage battery according to this electric pressure adjustment output voltage, when nominal voltage is the batteries access of 1.5V, 5th lumination of light emitting diode, charging voltage adjusting module exports the voltage of 1.8V to battery charging, when nominal voltage is the batteries access of 3.7V, 4th lumination of light emitting diode, charging voltage adjusting module exports the voltage of 4.25V to battery charging, when nominal voltage is the batteries access of 6V, 3rd lumination of light emitting diode, charging voltage adjusting module exports the voltage of 7.5V to battery charging, when nominal voltage is the batteries access of 9V, second lumination of light emitting diode, charging voltage adjusting module exports the voltage of 10.625V to battery charging, when nominal voltage is the batteries access of 12V, first lumination of light emitting diode, charging voltage adjusting module exports the voltage of 16.25V to battery charging, so, the indicator light of the instruction accumulator battery voltage grade of the first light-emitting diode, the second light-emitting diode, the 3rd light-emitting diode, the 4th light-emitting diode, the 5th light-emitting diode structure cost apparatus, in addition, this device also has the 6th light-emitting diode that instruction is in charged state, and the 6th light-emitting diode also plays and prevents the anti-effect of filling of batteries electric energy,
Voltage acquisition module comprises battery tension and gathers branch road and reference voltage collection branch road, and battery tension gathers the voltage that branch road creates battery tension collection point, and the voltage of battery tension collection point is
batteries terminal voltage doubly, the resistance ratio design of branch road is gathered according to reference voltage, create the voltage of the first reference voltage collection point to the 5th reference voltage collection point, the voltage of the voltage of battery tension collection point and the first reference voltage collection point to the 5th reference voltage collection point compares by voltage comparison module, the first comparator obtaining the batteries of corresponding different electric pressure to 5 groups of the 5th comparator different output levels, thus realizes identifying the electric pressure of batteries; By the ingehious design of the resistance ratio of voltage acquisition module and voltage comparison module, batteries is from Severe Power Shortage to being full of electricity, this device all carries out the identification of battery tension grade by voltage acquisition module and voltage comparison module, this device all can be used from Severe Power Shortage to carry out identification and the charging of electric pressure to the batteries being full of electricity;
The output of voltage comparison module is after logical transition module, when the batteries of often kind of electric pressure accesses, in 5 tunnels outputs of logical transition module, only a corresponding road exports high level, so an only corresponding LEDs ON luminescence in 5 of charging voltage adjusting module light-emitting diodes, this light-emitting diode is used to indicate the electric pressure of batteries, charging voltage adjusting module adopts the second adjustable stabilized voltage supply, the input resistance of the second adjustable stabilized voltage supply adopts the first triode to the scheme of the 5th triode place branch circuit parallel connection, when the first corresponding triode is to a triode ON in the 5th triode, series resistance on this triode place branch road is total input resistance of the second adjustable stabilized voltage supply, according to the formula of the output voltage of the voltage output end of the second adjustable stabilized voltage supply, obtain the charging voltage 1.8V of charging voltage adjusting module to the batteries of various electric pressure, 4.25V, 7.5V, 10.625V, 16.25V, it is 1.5V that above-mentioned charging voltage corresponds respectively to nominal voltage, 3.7V, 6V, 9V, the batteries of 12V.
The use of self adaptation charging device, makes the quantity of charger to reduce, so make charger be not easy to lose; In addition, can not because of obscure use charger time charging voltage do not mate and cause charging unsuccessfully or affect useful life of storage battery.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of self adaptation battery charging plant of the present invention.
Fig. 2 is the circuit theory diagrams of self adaptation battery charging plant of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
With reference to Fig. 1-2: self adaptation battery charging plant, comprise civil power voltage changing module, rectification filtering module, 5V Voltage stabilizing module, voltage acquisition module, voltage comparison module, logical transition module, charging voltage adjusting module, the output of charging voltage adjusting module is used for battery charging;
Described civil power voltage changing module is used for 220V civil power to carry out the alternating current that transformation obtains 22V, the primary winding of the transformer of civil power voltage changing module and the turn ratio of secondary coil are 10 ﹕ 1, the output of civil power voltage changing module connects rectification filtering module, rectification filtering module is used for the output voltage of civil power voltage changing module to carry out rectifying and wave-filtering, the output dc voltage of rectification filtering module is that 5V Voltage stabilizing module and following second adjustable stabilized voltage supply are powered, 5V Voltage stabilizing module is used for providing 5V direct voltage, and the voltage output end of the second adjustable stabilized voltage supply is used for for battery charging; 5V Voltage stabilizing module employing chip is first adjustable stabilized voltage supply of LM317H, the resistance input of the first adjustable stabilized voltage supply connects the 20 resistance that resistance is 600 Ω, the 21 resistance that resistance is 200 Ω is connected with, due to the output voltage of the voltage output end of the first adjustable stabilized voltage supply between the resistance input of the first adjustable stabilized voltage supply and voltage output end
r20=600 Ω, R21=200 Ω is brought in the formula of the output voltage of the first adjustable stabilized voltage supply, obtains the output voltage U of the voltage output end of the first adjustable stabilized voltage supply
oUT1for 5V; 5V Voltage stabilizing module is used for for following reference voltage collection branch road, voltage comparison module, logical transition module provide stable 5V power supply, wherein, 5V Voltage stabilizing module is connected to the upper end that reference voltage gathers all resistance of branch road, the positive power source terminal of the first comparator U1 to the 5th comparator U5 of voltage comparison module connects 5V Voltage stabilizing module, and the first not gate U6 to the 4th not gate U9, first of logical transition module adopts 5V Voltage stabilizing module to power with door U13 to the 7th and door U15 to the 3rd and door U12, the 5th with door U10;
Described voltage acquisition module comprises the battery tension in series by the first resistance R1 and the second resistance R2 being connected to described batteries two ends and gathers branch road, and upper end connect the voltage output end of described 5V Voltage stabilizing module by the 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, 7th resistance R7, the reference voltage collection branch road that 8th resistance R8 is in series, the resistance value ratio of described first resistance R1 and the second resistance R2 is 2 ﹕ 1, battery tension collection point A is formed between first resistance R1 and the second resistance R2, so the voltage of battery tension collection point is batteries terminal voltage
in the present embodiment, the resistance of described first resistance R1 is 200k Ω, the resistance of the second resistance R2 is 100k Ω, and the resistance of the first resistance R1 and the second resistance R2 is established to stop very greatly charging voltage adjusting module to flow through in battery tension collection branch road the charging current of batteries, described 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, 7th resistance R7, the resistance value ratio of the 8th resistance R8 is 52 ﹕ 36 ﹕ 39 ﹕ 28 ﹕ 29 ﹕ 16, the first reference voltage collection point B is formed between 3rd resistance R3 and the 4th resistance R4, the second reference voltage collection point C is formed between 4th resistance R4 and the 5th resistance R5, the 3rd reference voltage collection point D is formed between 5th resistance R5 and the 6th resistance R6, the 4th reference voltage collection point E is formed between 6th resistance and the 7th resistance, the 5th reference voltage collection point F is formed between 7th resistance R7 and the 8th resistance R8, the upper terminal voltage gathering branch road due to reference voltage is 5V, reference voltage gathers the lower end ground connection of branch road, the voltage that can be calculated the first reference voltage collection point B is 3.7V, the voltage of the second reference voltage collection point C is 2.8V, the voltage of the 3rd reference voltage collection point D is
the voltage of the 4th reference voltage collection point E is
the voltage of the 5th reference voltage collection point F is 0.4V,
Described voltage comparison module comprises the first comparator U1, second comparator U2, 3rd comparator U3, 4th comparator U4, 5th comparator U5, described first comparator U1, second comparator U2, 3rd comparator U3, 4th comparator U4, the in-phase end of the 5th comparator U5 connects described battery tension collection point A, the end of oppisite phase of the first comparator U1 connects described first reference voltage collection point B, the end of oppisite phase of the second comparator U2 connects described second reference voltage collection point C, the end of oppisite phase of the 3rd comparator U3 connects described 3rd reference voltage collection point D, the end of oppisite phase of the 4th comparator U4 connects described 4th reference voltage collection point E, the end of oppisite phase of the 5th comparator U5 connects described 5th reference voltage collection point F, when nominal voltage is the batteries access of 12V, due to this batteries can not short of electricity to 3.7*3V and following, again because the voltage of battery tension collection point A is batteries terminal voltage
therefore the voltage of battery tension collection point A is higher than 3.7V, first comparator U1 exports high level to the 5th comparator U5, when nominal voltage is the batteries access of 9V, due to this batteries can not short of electricity to 2.8*3V and following, therefore the voltage of battery tension collection point A is higher than 2.8V, but the voltage of battery tension collection point A can not higher than 3.7V, therefore the first comparator U1 output low level, second comparator U2 exports high level to the 5th comparator U5, when nominal voltage is the batteries access of 6V, because this batteries can not arrive in short of electricity
and below, therefore battery tension collection point A voltage higher than
but the voltage of battery tension collection point A can not higher than 2.8V, therefore the first comparator U1 to the second comparator U2 output low level, 3rd comparator U3 exports high level to the 5th comparator U5, when nominal voltage is the batteries access of 3.7V, because this batteries can not arrive in short of electricity
and below, therefore battery tension collection point A voltage higher than
but the voltage of battery tension collection point A can not be higher than
therefore the first comparator U1 is to the 3rd comparator U3 output low level, 4th comparator U4 exports high level to the 5th comparator U5, when nominal voltage is the batteries access of 1.5V, due to this batteries can not short of electricity to 0.4*3V and following, therefore the voltage of battery tension collection point A is higher than 0.4V, but the voltage of battery tension collection point A can not be higher than
therefore the first comparator U1 is to the 4th comparator U4 output low level, and the 5th comparator U5 exports high level, terminal voltage when batteries Severe Power Shortage being below described and being full of electricity: even if nominal voltage is that the batteries of 12V is when Severe Power Shortage, the terminal voltage of batteries also can not drop to 3.7*3V, time the terminal voltage of batteries is less than 3.7*3V, batteries is to the electric discharge meeting automatic cut-off being powered body, also namely batteries is stopped power supply to being powered body, therefore nominal voltage is that the terminal voltage of the batteries of 12V can not drop to 3.7*3V, and batteries terminal voltage when being full of electricity that nominal voltage is 12V is roughly 14.4V, in like manner, even if nominal voltage is that the batteries of 9V is when Severe Power Shortage, the terminal voltage of batteries also can not drop to 2.8*3V, time the terminal voltage of batteries is less than 2.8*3V, batteries is to the electric discharge meeting automatic cut-off being powered body, and batteries terminal voltage when being full of electricity that nominal voltage is 9V is roughly 10.8V, lower than 3.7*3V, even if nominal voltage be the batteries of 6V when Severe Power Shortage, the terminal voltage of batteries also can not drop to
the terminal voltage of batteries is less than
time, batteries is to the electric discharge meeting automatic cut-off being powered body, and batteries terminal voltage when being full of electricity that nominal voltage is 6V is roughly 7.2V, lower than 2.8*3V, even if nominal voltage be the batteries of 3.7V when Severe Power Shortage, the terminal voltage of batteries also can not drop to
the terminal voltage of batteries is less than
time, batteries is to the electric discharge meeting automatic cut-off being powered body, and batteries terminal voltage when being full of electricity that nominal voltage is 3.7V is roughly 4.1V, lower than
even if nominal voltage is that the batteries of 1.5V is when Severe Power Shortage, the terminal voltage of batteries also can not drop to 0.4*3V, time the terminal voltage of batteries is less than 0.4*3V, batteries is to the electric discharge meeting automatic cut-off being powered body, nominal voltage is that batteries terminal voltage when being full of electricity of 1.5V is roughly 1.8V, lower than
during actual charging, the terminal voltage of the batteries when terminal voltage of batteries to be charged is more than or equal to Severe Power Shortage, be less than or equal to the terminal voltage of batteries when being full of electricity, therefore, when nominal voltage is the batteries access of 12V, the output O1 of the first comparator U1, the output O2 of the second comparator U2, the output O5 of the output O3 of the 3rd comparator U3, the output O4 of the 4th comparator U4, the 5th comparator U5 exports high level, when nominal voltage is the batteries access of 9V, the output O1 output low level of the first comparator U1, the output O5 of the output O2 to the 5th comparator U5 of the second comparator U2 exports high level, when nominal voltage is the batteries access of 6V, the output O1 of the first comparator U1 and the output O2 output low level of the second comparator U2, the output O5 of the output O3 to the 5th comparator U5 of the 3rd comparator U3 exports high level, when nominal voltage is the batteries access of 3.7V, the output O3 output low level of the output O1 to the 3rd comparator U3 of the first comparator U1, the output O4 of the 4th comparator U4 and the output O5 of the 5th comparator U5 exports high level, when nominal voltage is the batteries access of 1.5V, the output O4 output low level of the output O1 to the 4th comparator U4 of the first comparator U1, the output O5 of the 5th comparator U5 exports high level, the relation of the output O1 of the access kind of batteries and the first comparator, the output O2 of the second comparator, output O3, the output O4 of the 4th comparator of the 3rd comparator, the output level of the output O5 of the 5th comparator is as shown in following table one:
In voltage comparison module, first comparator U1 all adopts chip LM393P to the 5th comparator U5, the output of described first comparator is connected to the voltage output end of 5V Voltage stabilizing module by the 9th resistance, the output of the second comparator is connected to the voltage output end of 5V Voltage stabilizing module by the tenth resistance, the output of the 3rd comparator is connected to the voltage output end of 5V Voltage stabilizing module by the 11 resistance, the output of the 4th comparator is connected to the voltage output end of 5V Voltage stabilizing module by the 12 resistance, the output of the 5th comparator is connected to the voltage output end of 5V Voltage stabilizing module by the 13 resistance.
Described logical transition module comprises the first not gate U6 be connected with the output O1 of the first comparator U1, the the second not gate U7 be connected with the output O2 of the second comparator U2, the 3rd not gate U8 be connected with the output O3 of the 3rd comparator U3, the 4th not gate U9 be connected with the output O4 of the 4th comparator U4, output and the output O2 of the second comparator U2 of described first not gate U6 are connected first and door U10 jointly, the output of described first not gate U6, the output of the second not gate U7, the output O3 of the 3rd comparator U3 connects second and door U11 jointly, the output of described first not gate U6, the output of the second not gate U7, the output of the 3rd not gate U8, the output O4 of the 4th comparator U4 connects the 3rd and door U12 jointly, the output of described first not gate U6, the output of the second not gate U7, the output of the 3rd not gate U8, the output of the 4th not gate U9, the output O5 of the 5th comparator U5 connects the 4th and door jointly, described 4th with door comprise the 5th with door U13, the 6th with door U14 and the 7th and door U15, the output of the first not gate U6, the output of the second not gate U7 connect the 5th and door U13 jointly, the output O5 of the output of the 3rd not gate U8, the output of the 4th not gate U9, the 5th comparator U5 connects the 6th and door U14 jointly, and the 5th is jointly connected seven and door U15 with the 6th with door U14 with door U13.So, after logical transition module, first with the output O2 ' of door U10, second with the output O3 ' of door U11, the 3rd with the output O4 ' of door U12, the 4th and the logical expression of output O5 ' of door be:
Associative list one, obtain accessing the output O1 of storage battery kind and the first comparator, first with the output O2 ' of door, second and door output O3 ', the 3rd and door output O4 ', the 4th and the relation of output level of output O4 ' of door as shown in following table two:
So, after logical transition module, when nominal voltage is the batteries access of 12V, the output O1 of the first comparator U1 is only had to export high level, first with the output O2 ' of door U10, second with the output O3 ' of door U11, 3rd with the output O4 ' of door U12, 4th with the output O5 ' output low level of door, when nominal voltage is the batteries access of 9V, first is only had to export high level with the output O2 ' of door U10, the output O1 of the first comparator, and second and the output O3 ' of door U11, 3rd with the output O4 ' of door U12, 4th with the output O5 ' output low level of door, when nominal voltage is the batteries access of 6V, only have second to export high level with the output O3 ' of door U11, the output O1 and first of the first comparator U1 and the output O2 ' of door U10, the 3rd with the output O4 ' of door U12, the 4th and the output O5 ' output low level of door, when nominal voltage is the batteries access of 3.7V, the 3rd is only had to export high level with the output O4 ' of door U12, the output O1 and first of the first comparator U1 and the output O2 ' of door U10, second and the output O3 ', the 4th and the output O5 ' output low level of door of door U11, when nominal voltage is the batteries access of 1.5V, the 4th is only had to export high level with the output O5 ' of door, the output O1 and first of the first comparator U1 and the output O2 ' of door U10, second and the output O3 ', the 3rd and the output O4 ' output low level of door U12 of door U11, so, logical transition module achieves when the batteries that five kinds of nominal voltages are different accesses respectively, the output O1 of the first comparator input of hereinafter the first light-emitting diode (also i.e.), first with the output O2 ' of door the input of hereinafter the second light-emitting diode (also i.e.), second with the output O3 ' of door the input of hereinafter the 3rd light-emitting diode (also i.e.), 3rd with the output O4 ' of door the input of hereinafter the 4th light-emitting diode (also i.e.), 4th only has one for high level with the output O5 ' of the door input of hereinafter the 5th light-emitting diode (also i.e.) at every turn,
Described charging voltage adjusting module comprises the first triode Q1 be connected with the output O1 of the first comparator, the the second triode Q2 be connected with the output O2 ' of door with first, the 3rd triode Q3 be connected with the output O3 ' of door with second, the 4th triode Q4 be connected with the output O4 ' of door with the 3rd, the 5th triode Q5 be connected with the output O5 ' of door with the 4th, the first LED 1 is connected with between the output O1 of the first comparator and the base stage of the first triode Q1, first and be connected with the second LED 2 between the output O2 ' of door and the base stage of the second triode Q2, second and be connected with the 3rd LED 3 between the output O3 ' of door and the base stage of the 3rd triode Q3, 3rd and be connected with the 4th LED 4 between the output O4 ' of door and the base stage of the 4th triode Q4, 4th and be connected with the 5th LED 5 between the output O5 ' of door and the base stage of the 5th triode Q5, the collector electrode of the first triode Q1 connects the 14 resistance that resistance is 2.4k Ω, the collector electrode of the second triode Q2 connects the 15 resistance R15 that resistance is 1.5k Ω, the collector electrode of the 3rd triode Q3 connects the 16 resistance R16 that resistance is 1k Ω, the collector electrode of the 4th triode Q4 connects the 17 resistance R17 that resistance is 480 Ω, the collector electrode of the 5th triode Q5 connects the 18 resistance R18 that resistance is 88 Ω, the emitter of the first triode Q1, the emitter of the second triode Q2, the emitter of the 3rd triode Q3, the emitter of the 4th triode Q4, the emitter of the 5th triode Q5 all connects the negative pole of described batteries, the minus earth of batteries, described 14 resistance R14, 15 resistance R15, 16 resistance R16, 17 resistance R17, the upper end parallel connection of the 18 resistance R18 connects the resistance input of the second adjustable stabilized voltage supply afterwards, second adjustable stabilized voltage supply adopts chip LM317H, the 19 resistance R19 that resistance is 200 Ω is connected with between the resistance input of the second adjustable stabilized voltage supply and voltage output end, the voltage output end of the second adjustable stabilized voltage supply connects the positive pole of batteries by charging protecting module, described charging protecting module is the 6th LED 6, the positive pole of the 6th LED 6 connects the voltage output end of the second adjustable stabilized voltage supply, the negative pole of the 6th LED 6 connects the positive pole of batteries, 6th LED 6 plays and prevents the anti-effect of filling of batteries electric energy, 6th LED 6 also plays the effect that instruction is in charged state, the output voltage of the voltage output end of described second adjustable stabilized voltage supply
wherein, R is the input resistance of the resistance input of the second adjustable stabilized voltage supply, and R19 is 200 Ω, the resistance input of the second adjustable stabilized voltage supply is equivalent to 5 branch circuit parallel connections, article 5, branch road is respectively the branch road of the first triode Q1 and the 14 resistance R14 parallel connection, the branch road of the second triode Q2 and the 15 resistance R15 parallel connection, the branch road of the 3rd triode Q3 and the 16 resistance R16 parallel connection, the branch road of the 4th triode Q4 and the 17 resistance R17 parallel connection, the branch road of the 5th triode Q5 and the 18 resistance R18 parallel connection, logic is realized according to logical transition module, when the batteries that 5 kinds of nominal voltages are different accesses respectively, 5 tunnels of logical transition module export O1 ', O2 ', O3 ', O4 ', O5 ' only has a road to export high level at every turn, so the first triode Q1 only has a conducting to the 5th triode Q5 at every turn, article 5, each conducting one in branch road, because the branch road of not conducting is equivalent to infinite, according to the formula of resistor coupled in parallel, article 5, the all-in resistance of branch circuit parallel connection equals the resistance of this branch road of conducting, so, when nominal voltage is the batteries access of 12V, only there is the first LED 1 conducting luminous, total input resistance of the resistance input of the second adjustable stabilized voltage supply is 2.4k Ω, when nominal voltage is the batteries access of 9V, only there is the second LED 2 conducting luminous, total input resistance of the resistance input of the second adjustable stabilized voltage supply is 1.5k Ω, when nominal voltage is the batteries access of 6V, only there is the 3rd LED 3 conducting luminous, total input resistance of the resistance input of the second adjustable stabilized voltage supply is 1k Ω, when nominal voltage is the batteries access of 3.7V, only there is the 4th LED 4 conducting luminous, total input resistance of the resistance input of the second adjustable stabilized voltage supply is 480 Ω, when nominal voltage is the batteries access of 1.5V, only there is the 5th LED 5 conducting luminous, total input resistance of the resistance input of the second adjustable stabilized voltage supply is 88 Ω, the input resistance of above-mentioned second adjustable stabilized voltage supply is brought into the formula of the output voltage of the voltage output end of the second adjustable stabilized voltage supply
in, obtain the output voltage that nominal voltage is the second adjustable stabilized voltage supply corresponding to the batteries of 1.5V, 3.7V, 6V, 9V, 12V, also namely nominal voltage is other charging voltage of battery component of 1.5V, 3.7V, 6V, 9V, 12V is 1.8V, 4.25V, 7.5V, 10.625V, 16.25V.
So, when nominal voltage is the batteries access of 1.5V, 5th LED 5 conducting, charging voltage adjusting module exports the voltage of 1.8V to battery charging, when nominal voltage is the batteries access of 3.7V, 4th LED 4 conducting, charging voltage adjusting module exports the voltage of 4.25V to battery charging, when nominal voltage is the batteries access of 6V, 3rd LED 3 conducting, charging voltage adjusting module exports the voltage of 7.5V to battery charging, when nominal voltage is the batteries access of 9V, second LED 2 conducting, charging voltage adjusting module exports the voltage of 10.625V to battery charging, when nominal voltage is the batteries access of 12V, first LED 1 conducting, charging voltage adjusting module exports the voltage of 16.25V to battery charging.So, the indicator light of the instruction accumulator battery voltage grade of the first LED 1, second LED 2, the 3rd LED 3, the 4th LED 4, the 5th LED 5 structure cost apparatus, in addition, this device also has described 6th LED the 6, six LED 6 that instruction is in charged state also to be played and prevents the anti-effect of filling of batteries electric energy.
Voltage acquisition module comprises battery tension and gathers branch road and reference voltage collection branch road, battery tension gathers the voltage that branch road creates battery tension collection point A, the voltage of battery tension collection point A is the batteries terminal voltage of 31 times, the resistance ratio design of branch road is gathered according to reference voltage, create the voltage of the first reference voltage collection point B to the 5th reference voltage collection point F, the voltage of the voltage of battery tension collection point A and the first reference voltage collection point B to the 5th reference voltage collection point F compares by voltage comparison module, the the first comparator U1 obtaining the batteries of corresponding different electric pressure is to 5 groups of the 5th comparator U5 different output levels, thus realize identifying the electric pressure of batteries, by the ingehious design of the resistance ratio of voltage acquisition module and voltage comparison module, make batteries from Severe Power Shortage to being full of electricity, this device all carries out the identification of battery tension grade by voltage acquisition module and voltage comparison module, this device all can be used from Severe Power Shortage to carry out identification and the charging of electric pressure to the batteries being full of electricity,
The output of voltage comparison module is after logical transition module, when the batteries of often kind of electric pressure accesses, in 5 tunnels outputs of logical transition module, only a corresponding road exports high level, therefore, an only corresponding LEDs ON luminescence in 5 light-emitting diodes of charging voltage adjusting module, this light-emitting diode is used to indicate the electric pressure of batteries, charging voltage adjusting module adopts the second adjustable stabilized voltage supply, the input resistance of the second adjustable stabilized voltage supply adopts the first triode Q1 to the scheme of the 5th triode Q5 place branch circuit parallel connection, when the first corresponding triode Q1 is to a triode ON in the 5th triode Q5, series resistance on this triode place branch road is total input resistance of the second adjustable stabilized voltage supply, according to the formula of the output voltage of the voltage output end of the second adjustable stabilized voltage supply, obtain the charging voltage 1.8V of charging voltage adjusting module to the batteries of various electric pressure, 4.25V, 7.5V, 10.625V, 16.25V, above-mentioned charging voltage respectively corresponding nominal voltage is 1.5V, 3.7V, 6V, 9V, the batteries of 12V.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. self adaptation battery charging plant, it is characterized in that: comprise civil power voltage changing module, rectification filtering module, 5V Voltage stabilizing module, voltage acquisition module, voltage comparison module, logical transition module, charging voltage adjusting module, the output of charging voltage adjusting module is used for battery charging;
Described civil power voltage changing module is used for 220V civil power to carry out transformation, the output of civil power voltage changing module connects rectification filtering module, rectification filtering module is used for the output voltage of civil power voltage changing module to carry out rectifying and wave-filtering, the output dc voltage of rectification filtering module is that 5V Voltage stabilizing module and following second adjustable stabilized voltage supply are powered, 5V Voltage stabilizing module is used for providing 5V direct voltage, and the voltage output end of the second adjustable stabilized voltage supply is used for for battery charging; 5V Voltage stabilizing module employing chip is first adjustable stabilized voltage supply of LM317H, the resistance input of the first adjustable stabilized voltage supply connects the 20 resistance that resistance is 600 Ω, the 21 resistance that resistance is 200 Ω is connected with, due to the output voltage of the voltage output end of the first adjustable stabilized voltage supply between the resistance input of the first adjustable stabilized voltage supply and voltage output end
r20=600 Ω, R21=200 Ω is brought in the formula of the output voltage of the first adjustable stabilized voltage supply, obtains the output voltage U of the voltage output end of the first adjustable stabilized voltage supply
oUT1for 5V; 5V Voltage stabilizing module is used for for following reference voltage collection branch road, voltage comparison module, logical transition module provide stable 5V power supply;
Described voltage acquisition module comprises the battery tension be made up of with the second resistant series the first resistance being connected to described batteries two ends and gathers the reference voltage be made up of the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistant series that branch road and upper end be connected the voltage output end of described 5V Voltage stabilizing module and gather branch road, the resistance value ratio of described first resistance and the second resistance is 2 ﹕ 1, battery tension collection point is formed, so the voltage of battery tension collection point is batteries terminal voltage between first resistance and the second resistance
described 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, the resistance value ratio of the 8th resistance is 52 ﹕ 36 ﹕ 39 ﹕ 28 ﹕ 29 ﹕ 16, the first reference voltage collection point is formed between 3rd resistance and the 4th resistance, the second reference voltage collection point is formed between 4th resistance and the 5th resistance, the 3rd reference voltage collection point is formed between 5th resistance and the 6th resistance, the 4th reference voltage collection point is formed between 6th resistance and the 7th resistance, the 5th reference voltage collection point is formed between 7th resistance and the 8th resistance, the voltage that can be calculated the first reference voltage collection point is 3.7V, the voltage of the second reference voltage collection point is 2.8V, the voltage of the 3rd reference voltage collection point is
the voltage of the 4th reference voltage collection point is
the voltage of the 5th reference voltage collection point is 0.4V,
Described voltage comparison module comprises the first comparator, second comparator, 3rd comparator, 4th comparator, 5th comparator, described first comparator, second comparator, 3rd comparator, 4th comparator, the in-phase end of the 5th comparator connects described battery tension collection point, the end of oppisite phase of the first comparator connects described first reference voltage collection point, the end of oppisite phase of the second comparator connects described second reference voltage collection point, the end of oppisite phase of the 3rd comparator connects described 3rd reference voltage collection point, the end of oppisite phase of the 4th comparator connects described 4th reference voltage collection point, the end of oppisite phase of the 5th comparator connects described 5th reference voltage collection point, when nominal voltage is the batteries access of 12V, due to this batteries can not short of electricity to 3.7*3V and following, therefore the voltage of battery tension collection point is higher than 3.7V, first comparator exports high level to the 5th comparator, when nominal voltage is the batteries access of 9V, due to this batteries can not short of electricity to 2.8*3V and following, therefore the voltage of battery tension collection point is higher than 2.8V, but the voltage of battery tension collection point can not higher than 3.7V, therefore the first comparator output low level, second comparator exports high level to the 5th comparator, when nominal voltage is the batteries access of 6V, because this batteries can not arrive in short of electricity
and below, therefore battery tension collection point voltage higher than
but the voltage of battery tension collection point can not higher than 2.8V, therefore the first comparator to the second comparator output low level, 3rd comparator exports high level to the 5th comparator, when nominal voltage is the batteries access of 3.7V, because this batteries can not arrive in short of electricity
and below, therefore battery tension collection point voltage higher than
but the voltage of battery tension collection point can not be higher than
therefore the first comparator is to the 3rd comparator output low level, 4th comparator exports high level to the 5th comparator, when nominal voltage is the batteries access of 1.5V, due to this batteries can not short of electricity to 0.4*3V and following, therefore the voltage of battery tension collection point is higher than 0.4V, but the voltage of battery tension collection point can not be higher than
therefore the first comparator is to the 4th comparator output low level, and the 5th comparator exports high level,
Described logical transition module comprises the first not gate be connected with the output of the first comparator, the second not gate be connected with the output of the second comparator, the 3rd not gate be connected with the output of the 3rd comparator, the 4th not gate be connected with the output of the 4th comparator, the output of described first not gate is connected first and door jointly with the output of the second comparator, the output of described first not gate, the output of the second not gate, the output of the 3rd comparator connects second and door jointly, the output of described first not gate, the output of the second not gate, the output of the 3rd not gate, the output of the 4th comparator connects the 3rd and door jointly, the output of described first not gate, the output of the second not gate, the output of the 3rd not gate, the output of the 4th not gate, the output of the 5th comparator connects the 4th and door jointly, after logical transition module, when nominal voltage is the batteries access of 12V, the output of the first comparator is only had to export high level, first and door, second and door, 3rd and door, 4th with the output output low level of door, when nominal voltage is the batteries access of 9V, only have first to export high level, the output of the first comparator with the output of door, and second and door, 3rd and door, 4th with the output output low level of door, when nominal voltage is the batteries access of 6V, only have second to export high level, the output of the first comparator with the output of door, and first and door, 3rd and door, 4th with the output output low level of door, when nominal voltage is the batteries access of 3.7V, only have the 3rd to export high level, the output of the first comparator with the output of door, and first and door, second and door, 4th with the output output low level of door, when nominal voltage is the batteries access of 1.5V, only have the 4th to export high level, the output of the first comparator with the output of door, and first and door, second and door, 3rd with the output output low level of door,
Described charging voltage adjusting module comprises the first triode be connected with the output of the first comparator, the second triode be connected with the output of door with first, the 3rd triode be connected with the output of door with second, the 4th triode be connected with the output of door with the 3rd, the 5th triode be connected with the output of door with the 4th, the first light-emitting diode is connected with between the output of the first comparator and the base stage of the first triode, first and be connected with the second light-emitting diode between the output of door and the base stage of the second triode, second and be connected with the 3rd light-emitting diode between the output of door and the base stage of the 3rd triode, 3rd and be connected with the 4th light-emitting diode between the output of door and the base stage of the 4th triode, 4th and be connected with the 5th light-emitting diode between the output of door and the base stage of the 5th triode, the collector electrode of the first triode connects the 14 resistance that resistance is 2.4k Ω, the collector electrode of the second triode connects the 15 resistance that resistance is 1.5k Ω, the collector electrode of the 3rd triode connects the 16 resistance that resistance is 1k Ω, the collector electrode of the 4th triode connects the 17 resistance that resistance is 480 Ω, the collector electrode of the 5th triode connects the 18 resistance that resistance is 88 Ω, the emitter of the first triode, the emitter of the second triode, the emitter of the 3rd triode, the emitter of the 4th triode, the emitter of the 5th triode all connects the negative pole of described batteries, described 14 resistance, 15 resistance, 16 resistance, 17 resistance, the upper end parallel connection of the 18 resistance connects the resistance input of the second adjustable stabilized voltage supply afterwards, second adjustable stabilized voltage supply adopts chip LM317H, the 19 resistance that resistance is 200 Ω is connected with between the resistance input of the second adjustable stabilized voltage supply and voltage output end, the voltage output end of the second adjustable stabilized voltage supply connects the positive pole of batteries by charging protecting module, described charging protecting module is the 6th light-emitting diode, the positive pole of the 6th light-emitting diode connects the voltage output end of the second adjustable stabilized voltage supply, the negative pole of the 6th light-emitting diode connects the positive pole of batteries, 6th light-emitting diode plays and prevents the anti-effect of filling of batteries electric energy, 6th light-emitting diode also plays the effect that instruction is in charged state, the output voltage of the voltage output end of described second adjustable stabilized voltage supply
wherein, R is the input resistance of the resistance input of the second adjustable stabilized voltage supply, and R19 is 200 Ω, according to the logic of logical transition module, when nominal voltage is the batteries access of 12V, the output of the first comparator is only had to export high level, so only there is the first LEDs ON luminous, total input resistance of the resistance input of the second adjustable stabilized voltage supply is 2.4k Ω, when nominal voltage is the batteries access of 9V, first is only had to export high level with the output of door, so only there is the second LEDs ON luminous, total input resistance of the resistance input of the second adjustable stabilized voltage supply is 1.5k Ω, when nominal voltage is the batteries access of 6V, second is only had to export high level with the output of door, so only there is the 3rd LEDs ON luminous, total input resistance of the resistance input of the second adjustable stabilized voltage supply is 1k Ω, when nominal voltage is the batteries access of 3.7V, the 3rd is only had to export high level with the output of door, so only there is the 4th LEDs ON luminous, total input resistance of the resistance input of the second adjustable stabilized voltage supply is 480 Ω, when nominal voltage is the batteries access of 1.5V, the 4th is only had to export high level with the output of door, so only there is the 5th LEDs ON luminous, total input resistance of the resistance input of the second adjustable stabilized voltage supply is 88 Ω, the input resistance of above-mentioned second adjustable stabilized voltage supply is brought in the formula of the output voltage of the second adjustable stabilized voltage supply, obtaining nominal voltage is 1.5V, 3.7V, 6V, 9V, the output voltage of the second adjustable stabilized voltage supply that the batteries of 12V is corresponding, also namely nominal voltage is 1.5V, 3.7V, 6V, 9V, other charging voltage of the battery component of 12V is 1.8V, 4.25V, 7.5V, 10.625V, 16.25V.
2. self adaptation battery charging plant as claimed in claim 1, it is characterized in that: described civil power voltage changing module is used for 220V civil power to carry out the alternating current that transformation obtains 22V, and the primary winding of the transformer of civil power voltage changing module and the turn ratio of secondary coil are 10 ﹕ 1.
3. self adaptation battery charging plant as claimed in claim 2, it is characterized in that: the described 4th with door comprise the 5th with door, the 6th with door and the 7th and door, the output of the first not gate, the output of the second not gate connect the 5th and door jointly, the output of the output of the 3rd not gate, the output of the 4th not gate, the 5th comparator connects the 6th and door jointly, and the 5th is connected the 7th and door with Men Yu six jointly with door.
4. the self adaptation battery charging plant as described in one of claim 1-3, is characterized in that: the resistance of described first resistance is 200k Ω, and the resistance of the second resistance is 100k Ω.
5. the self adaptation battery charging plant as described in one of claim 1-3, it is characterized in that: the output of described first comparator is connected to the voltage output end of 5V Voltage stabilizing module by the 9th resistance, the output of the second comparator is connected to the voltage output end of 5V Voltage stabilizing module by the tenth resistance, the output of the 3rd comparator is connected to the voltage output end of 5V Voltage stabilizing module by the 11 resistance, the output of the 4th comparator is connected to the voltage output end of 5V Voltage stabilizing module by the 12 resistance, the output of the 5th comparator is connected to the voltage output end of 5V Voltage stabilizing module by the 13 resistance.
6. the self adaptation battery charging plant as described in one of claim 1-3, is characterized in that: described first comparator, the second comparator, the 3rd comparator, the 4th comparator, the 5th comparator all adopt chip LM393P.
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| CN106953378A (en) * | 2017-02-27 | 2017-07-14 | 衢州职业技术学院 | Self adaptation photovoltaic mains hybrid accumulator cell charging and discharging controller |
| CN109283478A (en) * | 2018-09-11 | 2019-01-29 | 宁波北仑国际集装箱码头有限公司 | Port machinery equipment Hall transformer test device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106816948A (en) * | 2016-11-08 | 2017-06-09 | 衢州职业技术学院 | A kind of 12V batteries photovoltaic commercial power complementation charge and discharge maintenance device |
| CN106816948B (en) * | 2016-11-08 | 2023-09-12 | 衢州职业技术学院 | Complementary charge-discharge maintenance device for 12V storage battery photovoltaic commercial power |
| CN106953378A (en) * | 2017-02-27 | 2017-07-14 | 衢州职业技术学院 | Self adaptation photovoltaic mains hybrid accumulator cell charging and discharging controller |
| CN106953378B (en) * | 2017-02-27 | 2023-10-27 | 衢州职业技术学院 | Self-adaptive photovoltaic commercial power complementary storage battery charge-discharge controller |
| CN109283478A (en) * | 2018-09-11 | 2019-01-29 | 宁波北仑国际集装箱码头有限公司 | Port machinery equipment Hall transformer test device and method |
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