CN102280850B - Corridor public electricity current limiting protector - Google Patents
Corridor public electricity current limiting protector Download PDFInfo
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- CN102280850B CN102280850B CN201110202292.3A CN201110202292A CN102280850B CN 102280850 B CN102280850 B CN 102280850B CN 201110202292 A CN201110202292 A CN 201110202292A CN 102280850 B CN102280850 B CN 102280850B
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- photoelectrical coupler
- limiting resistance
- public electricity
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Abstract
The invention relates to a property public electricity management device, in particular to a corridor public electricity current limiting protector. The technical scheme is as follows: the corridor public electricity current limiting protector mainly comprises a power supply input end, an output end, a current limiting resistor, a current on-off control circuit and a signal element, wherein a current on-off control element mainly comprises a photoelectric coupler, a switch controller, a controlled silicon and a triode; the output end of the photoelectric coupler is connected with the controlled silicon, and the input end of the photoelectric coupler is connected with the triode; and the output end of the switch controller controls conduction and cutoff of the triode, and the input end of the switch controller is connected with the photoelectric coupler. The corridor public electricity current limiting protector has the advantages that: by arranging the current on-off control circuit, when the load of corridor public electricity exceeds a set value, the output end can stop power supply to cause a corridor lighting lamp to stop work, and until inappropriate loads are removed, normal power supply is restored for the circuit, so the public electricity can be greatly saved, and electricity stealing and electric leakage of the public electricity are avoided.
Description
Technical field:
The present invention relates to a kind of property common electrical management devices, particularly a kind of corridor public electricity current limiting protector.
Background technology:
Along with the precision management of the development ，Ge service for infrastructure unit of community is also more and more meticulousr, it is exactly cost-saving enhancing efficiency by relying on tapping internal latent power that there is problem to be solved community, through the corridor of part infrastructure management company being shared to electric tracing investigation.The power consumption that finds that there is a part of corridor is very surprising, monthly can reach the electricity of degree more than 70, few 20-30 degree electricity in addition, and the electric weight that normal power consumption should be appraised and decided to us in 10Duo Du electricity ，Er electric company is that monthly each corridor 13-15 degree is electric.
Cause the excessive reason of corridor public electricity consumption to be: (1) some resident's private connects corridor public electricity; (2) corridor lamp bulb burns out rear resident not according to acoustic control lamp load power bulb mounting (general acoustic control lamp bulb is 25w); (3) workmen has used corridor public electricity in work progress; (4) public power such as acoustic control lamp, building door equipment has leaky, has caused power excessive.
In order to control public electric weight, the measure that property is taked is: the corridor excessive for electricity consumption partly used the ammeter of checking card, and monthly only gives the electric weight that fills some.Auto-breaking when electric weight is finished, is used the ammeter of checking card to save electric weight, but has still brought inconvenience in application process resident: 1, fill electricity with and used corridor lamp in a couple of days just not work; 2, resident can only feel about in the dark and enter corridor the remaining time; 3, brought very large potential safety hazard; 4, reduced the reputation of residential property simultaneously.
Summary of the invention:
Object of the present invention is exactly in view of the foregoing defects the prior art has, provides a kind of and can solve electrical energy saving, corridor public electricity current limiting protector that again can normal illumination.
Its technical scheme is: mainly by power input, output (L
go out), current-limiting resistance, current switching control circuit, signal element forms, wherein, signal element is mainly to be connected to form by light-emitting diode, can remind in time maintenance personal to fix a breakdown, it is characterized in that: described current switching control element is mainly by photoelectrical coupler (IC1, IC2), on-off controller (IC3), controllable silicon (Q1) and triode (Q2) form, the output of photoelectrical coupler (IC1) connects controllable silicon (Q1), input connecting triode (Q2), on-off controller (IC3) output is controlled conducting and the cut-off of triode (Q2), on-off controller (IC3) input connects photoelectrical coupler (IC2),
Described output (L
go out) load while surpassing set point, photoelectrical coupler (IC2) conducting, the on-off controller (IC3) being connected with photoelectrical coupler (IC2) is controlled triode (Q2) cut-off, and then photoelectrical coupler (IC1) is ended, output is stopped power supply; When the load of output is less than set point, photoelectrical coupler (IC2) cut-off, on-off controller (IC3) is controlled turn-on transistor (Q2), thereby makes photoelectrical coupler (IC1) conducting, continues to power to output.
Above-mentioned power input is provided with the input power (L1, L2, L3) of a plurality of setting different loads values, and is connected with current switching control circuit respectively.
The set point of above-mentioned input power (L1) is that load is no more than 100W, input power (L1) connects photoelectrical coupler (IC1) by current-limiting resistance (R5), by diode (D5), be connected photoelectrical coupler (IC2) with current-limiting resistance (R6), by two resistance (R3, R4), be connected with controllable silicon (Q1).
The set point of above-mentioned input power (L2) is that load is no more than 200W, input power (L2) connects photoelectrical coupler (IC1) by current-limiting resistance (R1, R3, R4, R5), by current-limiting resistance (R1), connects photoelectrical coupler (IC2) and controllable silicon (Q1).
The set point of above-mentioned input power (L3) is that load is no more than 300W, input power (L3) connects photoelectrical coupler (IC1) by current-limiting resistance (R2, R3, R4, R5), by current-limiting resistance (R2), connects photoelectrical coupler (IC2) and controllable silicon (Q1).
The invention has the beneficial effects as follows: by current switching control circuit is set, when the load of corridor public electricity surpasses set point, output can be stopped power supply, cause corridor lighting not work, until after inappropriate load picked-off, circuit recovers normal power supply, like this, can greatly save public power, avoid stealing electricity phenomenon and the leaky of public power.
Accompanying drawing explanation:
Accompanying drawing 1 is circuit connection diagram of the present invention;
In upper figure: input power (L1, L2, L3), output L
go out, current-limiting resistance (R1-R12), photoelectrical coupler (IC1, IC2), on-off controller IC3, controllable silicon Q1, triode Q2, electric capacity (C1-C3), light-emitting diode (LG, LR), diode (D1-D7).
Embodiment:
By reference to the accompanying drawings 1, the invention will be further described:
The present invention is mainly by power input, output L
go out, current-limiting resistance, current switching control circuit, signal element forms, wherein, signal element is mainly to be connected to form by light-emitting diode LG and LR, can remind in time maintenance personal to fix a breakdown, described current switching control element is mainly by existing commercially available photoelectrical coupler (IC1, IC2), model is the on-off controller IC3 of TL431, controllable silicon Q1 and triode Q2 form, model is that the output of the photoelectrical coupler IC1 of 4N25 connects controllable silicon Q1, input connecting triode Q2, on-off controller IC3 output is controlled conducting and the cut-off of triode Q2, it is the photoelectrical coupler IC2 of P343 that on-off controller IC3 input connects model,
Described output L
go outload while surpassing set point, photoelectrical coupler IC2 conducting, the on-off controller IC3 being connected with photoelectrical coupler IC2 controls triode Q2 cut-off, and then photoelectrical coupler IC1 is ended, output is stopped power supply; When the load of output is less than set point, photoelectrical coupler IC2 cut-off, on-off controller IC3 controls turn-on transistor Q2, thereby makes photoelectrical coupler IC1 conducting, continues to power to output.
Above-mentioned power input is provided with input power L1, L2, the L3 of a plurality of setting different loads values, and is connected with current switching control circuit respectively.
The set point of above-mentioned input power L1 is that load is no more than 100W, and input power L1 connects photoelectrical coupler IC1 by current-limiting resistance R5, by diode D5, is connected photoelectrical coupler IC2 with current-limiting resistance R6, by two resistance R 3, R4, is connected with controllable silicon Q1.
The set point of above-mentioned input power L2 is that load is no more than 200W, and input power L2 connects photoelectrical coupler IC1 by current-limiting resistance R1, R3, R4, R5, by current-limiting resistance R1, connects photoelectrical coupler IC2 and controllable silicon Q1.
The set point of above-mentioned input power L3 is that load is no more than 300W, and input power L3 connects photoelectrical coupler IC1 by current-limiting resistance R2, R3, R4, R5, by current-limiting resistance R2, connects photoelectrical coupler IC2 and controllable silicon Q1.
The course of work of physical circuit is as follows:
When circuit connects N, L1 and L
go out(bearing power of setting is no more than 100W) afterwards, 220V alternating current makes capacitor C 1 charging through D3, R11, D1, D2, R12, light-emitting diode LG, LR are luminous, 4 pin of 1 pin of photoelectrical coupler IC1, photoelectrical coupler IC2 produce high potential, 1 pin of IC1 and 2 pin conductings are luminous, and then make 3 pin and 4 pin conductings, and 3 pin that the electric current that 220V electricity separates through R5 passes through IC1 are to 4 pin, trigger controllable silicon Q1,220V passes through R3, R4 current limliting to Q1 to output L by input L1
go outmust be electric, output normal power supply.Work as L
go outpower output increase suddenly, during the 100W that surpass to set, minute rheology of R3, R4 is large, by D5, R6, the voltage of assigning to is raise and causes (IC2) conducting, like this, IC3 voltage raises, Q2 cut-off, like this, makes IC1 voltage out of hand, Q1 closes, output L
go outthere is no output voltage, thereby prevented the generation of electric leakage or stealing.
When circuit connects N, L2 and L
go out(bearing power of setting is no more than 200W) afterwards, when output at ordinary times, load on 200W when following, 220V alternating current through R1, R3, R4 to D3 and D1, D2 commutation capacitor C1 obtain electric mistake R12, LR, LG indicator light is bright, IC1 conducting, Q2 conducting, IC3 is IC1 voltage stabilizing, Q1 normally, 220V crosses R1 to Q1, output L
go outobtain electric.When power output is greater than voltage drop in the 200w Shi， supply line of setting, it is large that electric current becomes, and it is large that the voltage of the R5 in parallel circuits becomes, and like this, IC2 conducting, causes IC3 to control Q2 cut-off, and IC1 closes, and Q1 stops power supply.
When circuit connects N, L3 and L
go out(bearing power of setting is no more than 300W) afterwards, when output is normally used the load below 300W, 220V alternating current is crossed R2 to D3, with D1, D2, commutation capacitor C1 obtain electric bright through R12, LR, LG indicator light, IC1 conducting, 220V crosses R2 to Q1, output L
go outobtain electric.When power output is greater than the 300W of setting; the voltage of R6 raises; IC2 conducting, IC3 overvoltage protection is controlled Q2 cut-off, and IC1 does not work; Q1 cut-off; stop to output power supply, after output loading is less than setting (after namely abnormal load is extractd), circuit meeting automatic recovery of power supply; thereby the situation that makes electric leakage or steal public power is refused, and has protected public resource.
Claims (5)
1. a corridor public electricity current limiting protector, mainly by power input, output L
go out, current-limiting resistance, current switching control circuit, signal element forms, wherein, signal element is mainly to be connected to form by light-emitting diode, can remind in time maintenance personal to fix a breakdown, it is characterized in that: described current switching control circuit is mainly by photoelectrical coupler IC1, photoelectrical coupler IC2, on-off controller IC3, controllable silicon Q1 and triode Q2 form, the output of photoelectrical coupler IC1 connects controllable silicon Q1, input connecting triode Q2, on-off controller IC3 output is controlled conducting and the cut-off of triode Q2, on-off controller IC3 input connects photoelectrical coupler IC2,
Described output L
go outload while surpassing set point, photoelectrical coupler IC2 conducting, the on-off controller IC3 being connected with photoelectrical coupler IC2 controls triode Q2 cut-off, and then photoelectrical coupler IC1 is ended, output is stopped power supply; When the load of output is less than set point, photoelectrical coupler IC2 cut-off, on-off controller IC3 controls turn-on transistor Q2, thereby makes photoelectrical coupler IC1 conducting, continues to power to output.
2. corridor public electricity current limiting protector according to claim 1, is characterized in that: described power input is provided with input power L1, input power L2, the input power L3 of a plurality of setting different loads values, and is connected with current switching control circuit respectively.
3. corridor public electricity current limiting protector according to claim 2; it is characterized in that: the set point of described input power L1 is that load is no more than 100W; input power L1 connects photoelectrical coupler IC1 by current-limiting resistance R5; by diode D5, be connected photoelectrical coupler IC2 with current-limiting resistance R6, by current-limiting resistance R3, current-limiting resistance R4, be connected with controllable silicon Q1.
4. corridor public electricity current limiting protector according to claim 2; it is characterized in that: the set point of described input power L2 is that load is no more than 200W; input power L2 connects photoelectrical coupler IC1 by current-limiting resistance R1, current-limiting resistance R3, current-limiting resistance R4, current-limiting resistance R5, by current-limiting resistance R1, connects photoelectrical coupler IC2 and controllable silicon Q1.
5. corridor public electricity current limiting protector according to claim 2; it is characterized in that: the set point of described input power L3 is that load is no more than 300W; input power L3 connects photoelectrical coupler IC1 by current-limiting resistance R2, current-limiting resistance R3, current-limiting resistance R4, current-limiting resistance R5, by current-limiting resistance R2, connects photoelectrical coupler IC2 and controllable silicon Q1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110202292.3A CN102280850B (en) | 2011-07-19 | 2011-07-19 | Corridor public electricity current limiting protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110202292.3A CN102280850B (en) | 2011-07-19 | 2011-07-19 | Corridor public electricity current limiting protector |
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| Publication Number | Publication Date |
|---|---|
| CN102280850A CN102280850A (en) | 2011-12-14 |
| CN102280850B true CN102280850B (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110202292.3A Expired - Fee Related CN102280850B (en) | 2011-07-19 | 2011-07-19 | Corridor public electricity current limiting protector |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2105133U (en) * | 1991-11-06 | 1992-05-20 | 徐国亮 | Electronic extra-sensitive protector for phase loss of motor |
| US5537285A (en) * | 1994-11-16 | 1996-07-16 | Westinghouse Air Brake Company | Digital output control device and method for operating |
| CN202183586U (en) * | 2011-07-19 | 2012-04-04 | 吕书栋 | Current-limiting protector for public electricity of passageway |
-
2011
- 2011-07-19 CN CN201110202292.3A patent/CN102280850B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2105133U (en) * | 1991-11-06 | 1992-05-20 | 徐国亮 | Electronic extra-sensitive protector for phase loss of motor |
| US5537285A (en) * | 1994-11-16 | 1996-07-16 | Westinghouse Air Brake Company | Digital output control device and method for operating |
| CN202183586U (en) * | 2011-07-19 | 2012-04-04 | 吕书栋 | Current-limiting protector for public electricity of passageway |
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| Publication number | Publication date |
|---|---|
| CN102280850A (en) | 2011-12-14 |
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Inventor after: Lv Shudong Inventor after: Sun Hongbo Inventor after: Bi Xinzhong Inventor after: Li Pu Inventor after: Cui Mingming Inventor after: Fan Yubin Inventor after: Wang Jiping Inventor after: Liu Mingming Inventor after: Ren Li Inventor after: Zhang Lei Inventor after: Xu Hongyan Inventor after: Sun Baoqing Inventor before: Lv Shudong Inventor before: Bi Xinzhong Inventor before: Li Pu Inventor before: Cui Mingming Inventor before: Wang Jiping Inventor before: Ren Li Inventor before: Zhang Lei Inventor before: Fan Yubin Inventor before: Sun Hongbo Inventor before: Jiang Li Inventor before: Zhang Juan |
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Free format text: CORRECT: INVENTOR; FROM: LV SHUDONG CUI MINGMING WANG JIPING REN LI ZHANG LEI FAN YUBIN SUN HONGBO JIANG LI ZHANG JUAN BI XINZHONG LI PU TO: LV SHUDONG CUI MINGMING FAN YUBIN WANG JIPING LIU MINGMING REN LI ZHANG LEI XU HONGYAN SUN BAOQING SUN HONGBO BI XINZHONG LI PU |
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Granted publication date: 20140205 Termination date: 20150719 |
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