CN105140987A - Intelligent solar energy charger - Google Patents
Intelligent solar energy charger Download PDFInfo
- Publication number
- CN105140987A CN105140987A CN201510529270.6A CN201510529270A CN105140987A CN 105140987 A CN105140987 A CN 105140987A CN 201510529270 A CN201510529270 A CN 201510529270A CN 105140987 A CN105140987 A CN 105140987A
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- amplifier
- storage battery
- resistance
- temperature
- compensation circuit
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- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an intelligent solar energy charger which comprises a photovoltaic array, a photoelectric sensor, a singlechip, a voltage converter, a temperature compensation circuit and a storage battery, wherein the photovoltaic array is connected with the photoelectric sensor and the output end of the singlechip; the output end of the singlechip is connected with the voltage converter and the input end of the temperature compensation circuit respectively; the voltage converter and the output end of the temperature compensation circuit are respectively connected with the input end of the storage battery; the photovoltaic array is used for acquiring solar energy; the photoelectric sensor is used for converting the solar energy acquired by the photovoltaic array into electric energy; the singlechip is used for processing the electric energy and outputting a control signal; the voltage converter is used for converting the voltage of the electric energy and inputting into the storage battery according to the control signal; and the temperature compensation circuit is used for compensating the temperature of the storage battery. By the intelligent solar energy charger, the temperature of the storage battery is compensated, the charging performance of the storage battery is improved, and the storage battery is protected.
Description
Technical field
The present invention relates to a kind of intelligent solar charger, belong to the technical field that charger controls.
Background technology
For electrical equipment, charger is absolutely necessary charging device.Charger adopts high frequency electric source technology, uses advanced Intelligent Dynamic adjustment charging technique.Charger divides by design circuit operating frequency, power frequency machine and High-frequency machine can be divided into. power frequency machine designs with traditional analog circuit principle, machine intimate electrical device (as transformer, inductance, capacitor etc.) is all larger, generally there is less noise when being with and carrying larger operation, but this type resistance performance in severe power grid environment condition is comparatively strong, and reliability and stability are all strong than High-frequency machine.
Traditional charger generally comprises power supply circuits, single-chip microcomputer, voltage changer and storage battery, utilizes power supply circuits to access power supply, then carries out voltage transformation with Single-chip Controlling voltage changer, finally carry out storage of electrical energy by storage battery.Thus, electrical energy transfer function is realized.
At present, charger often adopts shell, and circuit arrangement in the enclosure.The plug of enclosure is utilized to realize the connection with power supply.At present, most of charger does not possess function of solar charging, cannot gather solar energy and charge, or under utilizing solar recharging, under low light condition, charging ability is not enough, causes solar panels utilance not high; The method that tradition improves low light level charging ability adopts configuration optimization control to realize, namely charge a battery according to different compound modes such as serial or parallel connections according to the strong and weak Control solar panels assembly that adopts according to ambient light, guarantee that solar panels assembly output voltage reaches setting charging voltage all the time.But this kind of mode complex structure.
And at application number: in the file of 201010525225.0 applyings date: 2010-10-30, disclose that " a kind of emergency set particularly relates to a kind of solar charger.Narrow for the current solar charger scope of application, the problem that wide place cannot normally use, provide solar charger, comprise shell, solar absorption panels, described solar absorption panels is in series by multiple silicon crystal slate, and described shell covers the outside of all silicon crystal slates, described solar absorption panels is welded with contact, convert solar energy into electrical energy, also include multiple charger interface, electric energy after conversion is proceeded to the electric equipments such as mobile phone." adopt technical scheme of the present invention after, can greatly improve solar charger power reservoir capacity, meet the charge requirement of many people simultaneously.
And at other one section of application number: in the file of 201210007995.5 applyings date: 2012-01-12, disclose " a kind of solar charger, it comprises: middle control module, controls module and have multiple-channel output port in this; Lithium ion battery, lithium ion battery exports electric energy by middle control module to each output port; Solar panel, this solar panel charges to lithium ion battery by middle control module, also exports electric energy by middle control module to each output port." this invention adopts above structure, have the following advantages: complex structure, cost is low; This solar charger uses surface mounting technology, improves system reliability.
Although above-mentioned document makes improvement to existing charger, it is made to possess function of solar charging.But temperature-compensating cannot be carried out to the storage battery of inside for solar charger, make storage battery gassing rate lower, reduce the useful life of battery.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, a kind of intelligent solar charger is provided, solve existing solar charger and cannot carry out temperature-compensating to the storage battery of inside, make storage battery gassing rate lower, reduce the problem in the useful life of battery.
The present invention specifically solves the problems of the technologies described above by the following technical solutions:
A kind of intelligent solar charger, comprise photovoltaic array, photoelectric sensor, single-chip microcomputer, voltage changer, temperature-compensation circuit and storage battery, wherein photovoltaic array is connected with the output of photoelectric sensor, single-chip microcomputer; The output of described single-chip microcomputer is connected respectively with the input of voltage changer, temperature-compensation circuit; The output of described voltage changer, temperature-compensation circuit is connected respectively with the input of storage battery; Described photovoltaic array is for gathering solar energy; Described photoelectric sensor, for converting the solar energy of photovoltaic array collection to electric energy; Described single-chip microcomputer, for by electric energy process and export control signal; Described voltage changer, for inputting storage battery by according to control signal by after the voltage transitions of electric energy; Described temperature-compensation circuit, for compensating the temperature of described storage battery.
Further, as a preferred technical solution of the present invention: described temperature-compensation circuit comprises first and the 4th resistance, the first electric capacity, the first amplifier and the second amplifier, wherein the in-phase input end of the first amplifier connects ground connection after the first resistance, the inverting input of the first amplifier connects ground connection after the first electric capacity, and the output of the first amplifier connect the second resistance after access the inverting input of the second amplifier; The output of single-chip microcomputer is connected after in-phase input end connection the 3rd resistance of described second amplifier; One end of described 4th resistance connects the inverting input of the second amplifier, and the other end of the 4th resistance connects the output of the second amplifier, and the output of described second amplifier is connected with storage battery.
Further, as a preferred technical solution of the present invention: described temperature-compensation circuit also comprises the second electric capacity, one end of described second electric capacity connects the 4th resistance, and the other end of the second electric capacity connects the output of the second amplifier.
Further, as a preferred technical solution of the present invention: described 4th resistance is adjustable resistance.
Further, as a preferred technical solution of the present invention: described first amplifier and the second amplifier all adopt LM741C type integrated amplifier.
The present invention adopts technique scheme, can produce following technique effect:
Intelligent solar charger of the present invention; in existing charger circuit; set up solar energy acquisition circuit; and devise temperature-compensation circuit; utilize the temperature of temperature-compensation circuit to described storage battery to compensate, reduce environment to the impact of the charging performance of storage battery, improve the charging performance of storage battery; guarantee that storage battery accurate work under floating charge state, in the float charge voltage of safety, protects storage battery.Existing solar charger can be solved and cannot carry out temperature-compensating to the storage battery of inside, make storage battery gassing rate lower, reduce the problem in the useful life of battery.
Accompanying drawing explanation
Fig. 1 is the module diagram of intelligent solar charger of the present invention.
Fig. 2 is the circuit diagram of temperature-compensation circuit of the present invention.
Embodiment
Below in conjunction with Figure of description, embodiments of the present invention are described.
As shown in Figure 1, the present invention devises a kind of intelligent solar charger, comprises photovoltaic array, photoelectric sensor, single-chip microcomputer, voltage changer, temperature-compensation circuit and storage battery, and wherein photovoltaic array is connected with the output of photoelectric sensor, single-chip microcomputer; The output of described single-chip microcomputer is connected respectively with the input of voltage changer, temperature-compensation circuit; The output of described voltage changer, temperature-compensation circuit is connected respectively with the input of storage battery; Described photovoltaic array is for gathering solar energy; Described photoelectric sensor, for converting the solar energy of photovoltaic array collection to electric energy; Described single-chip microcomputer, for by electric energy process and export control signal; Described voltage changer, for inputting storage battery by according to control signal by after the voltage transitions of electric energy; Described temperature-compensation circuit, for compensating the temperature of described storage battery.
Thus, in existing charger circuit, set up solar energy acquisition circuit, and devise temperature-compensation circuit, utilize the temperature of temperature-compensation circuit to described storage battery to compensate, reduce environment to the impact of the charging performance of storage battery, improve the charging performance of storage battery.
Further, in solar charger of the present invention, described temperature-compensation circuit comprises first and the 4th resistance, the first electric capacity C1, the first amplifier A1 and the second amplifier A2, wherein the in-phase input end of the first amplifier A1 connects ground connection after the first resistance R1, the inverting input of the first amplifier A1 connects ground connection after the first electric capacity C1, and the output of the first amplifier A1 connect the second resistance R2 after access the inverting input of the second amplifier A2; The output of single-chip microcomputer is connected after in-phase input end connection the 3rd resistance R3 of described second amplifier A2; One end of described 4th resistance R4 connects the inverting input of the second amplifier A2, and the other end of the 4th resistance R4 connects the output of the second amplifier A2, and the output of described second amplifier A2 is connected with storage battery.Utilize this kind of structure, formed compensating circuit, storage battery is compensated, storage battery need compensate time, Single-chip Controlling its compensate, generate differential operational amplifying circuit by the second amplifier A2 and the second resistance R2 and the 3rd resistance R3.When accumulator meter surface temperature changes, make voltage increase or the change that declines with temperature by circuit, realize the protection of storage battery.
And described temperature-compensation circuit can also comprise the second electric capacity C2, one end of described second electric capacity C2 connects the 4th resistance R4, and the other end of the second electric capacity C2 connects the output of the second amplifier A2.This second electric capacity C2 is utilized to provide low impedance path for certain the 4th resistance R4 in circuit.And further, described 4th resistance R4 is adjustable resistance.Utilize adjustable function, the voltage of circuit can be controlled.
Described first amplifier and the second amplifier all adopt LM741C type integrated amplifier.LM741 is a kind of application universal operational amplifier widely.Owing to have employed active load, as long as so two-stage is amplified just can reach very high voltage gain and very wide common mode and differential-mode input voltage scope.This circuit adopts internal compensation, the fairly simple not easily self-excitation of circuit, and stabilization of operating point is easy to use, and devises perfect protective circuit, not fragile.Do not need portion of place frequency compensation, input has overvoltage protection, exports and has overload protection, clog-free and oscillatory occurences, can better realize thus compensating.
To sum up, intelligent solar charger of the present invention, guarantees that storage battery accurate work under floating charge state, in the float charge voltage of safety, protects storage battery, effectively can improve the life-span of battery.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.
Claims (5)
1. an intelligent solar charger, is characterized in that, comprises photovoltaic array, photoelectric sensor, single-chip microcomputer, voltage changer, temperature-compensation circuit and storage battery, and wherein photovoltaic array is connected with the output of photoelectric sensor, single-chip microcomputer; The output of described single-chip microcomputer is connected respectively with the input of voltage changer, temperature-compensation circuit; The output of described voltage changer, temperature-compensation circuit is connected respectively with the input of storage battery; Described photovoltaic array is for gathering solar energy; Described photoelectric sensor, for converting the solar energy of photovoltaic array collection to electric energy; Described single-chip microcomputer, for by electric energy process and export control signal; Described voltage changer, for inputting storage battery by according to control signal by after the voltage transitions of electric energy; Described temperature-compensation circuit, for compensating the temperature of described storage battery.
2. intelligent solar charger according to claim 1, it is characterized in that: described temperature-compensation circuit comprises first and the 4th resistance, the first electric capacity, the first amplifier and the second amplifier, wherein the in-phase input end of the first amplifier connects ground connection after the first resistance, the inverting input of the first amplifier connects ground connection after the first electric capacity, and the output of the first amplifier connect the second resistance after access the inverting input of the second amplifier; The output of single-chip microcomputer is connected after in-phase input end connection the 3rd resistance of described second amplifier; One end of described 4th resistance connects the inverting input of the second amplifier, and the other end of the 4th resistance connects the output of the second amplifier, and the output of described second amplifier is connected with storage battery.
3. intelligent solar charger according to claim 2, is characterized in that: described temperature-compensation circuit also comprises the second electric capacity, and one end of described second electric capacity connects the 4th resistance, and the other end of the second electric capacity connects the output of the second amplifier.
4. intelligent solar charger according to claim 2, is characterized in that: described 4th resistance is adjustable resistance.
5. intelligent solar charger according to claim 2, is characterized in that: described first amplifier and the second amplifier all adopt LM741C type integrated amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510529270.6A CN105140987B (en) | 2015-08-26 | 2015-08-26 | A kind of intelligent solar charger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510529270.6A CN105140987B (en) | 2015-08-26 | 2015-08-26 | A kind of intelligent solar charger |
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| CN105140987A true CN105140987A (en) | 2015-12-09 |
| CN105140987B CN105140987B (en) | 2017-06-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932071A (en) * | 2017-04-05 | 2017-07-07 | 广西南宁超网网络科技有限责任公司 | A kind of new Kind of Supermarket intelligent electronic-scale |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5617007A (en) * | 1994-08-17 | 1997-04-01 | International Business Machines Corporation | Battery charging method and apparatus using current control |
| CN102751790A (en) * | 2012-07-11 | 2012-10-24 | 韦华鹏 | Hybrid energy storage system based on supercapacitor in solar photovoltaic system |
| CN203491757U (en) * | 2013-10-22 | 2014-03-19 | 北京太阳芯智能科技有限公司 | Novel solar energy hot water intelligence control system |
-
2015
- 2015-08-26 CN CN201510529270.6A patent/CN105140987B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5617007A (en) * | 1994-08-17 | 1997-04-01 | International Business Machines Corporation | Battery charging method and apparatus using current control |
| CN102751790A (en) * | 2012-07-11 | 2012-10-24 | 韦华鹏 | Hybrid energy storage system based on supercapacitor in solar photovoltaic system |
| CN203491757U (en) * | 2013-10-22 | 2014-03-19 | 北京太阳芯智能科技有限公司 | Novel solar energy hot water intelligence control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932071A (en) * | 2017-04-05 | 2017-07-07 | 广西南宁超网网络科技有限责任公司 | A kind of new Kind of Supermarket intelligent electronic-scale |
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| CN105140987B (en) | 2017-06-30 |
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Effective date of registration: 20240328 Address after: No. 19 Wangqiao Village, Jianming Village, Letu Town, Mengcheng County, Bozhou City, Anhui Province, 236000 Patentee after: Wang Xibao Country or region after: China Address before: Building 6, No. 51 Mulin Road, Yuexi Street, Wuzhong District, Suzhou City, Jiangsu Province, 215100 Patentee before: SUZHOU BROADLINE POWER SUPPLY TECHNOLOGY Co.,Ltd. Country or region before: China |