CN202183586U - Current-limiting protector for public electricity of passageway - Google Patents
Current-limiting protector for public electricity of passageway Download PDFInfo
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- CN202183586U CN202183586U CN2011202553701U CN201120255370U CN202183586U CN 202183586 U CN202183586 U CN 202183586U CN 2011202553701 U CN2011202553701 U CN 2011202553701U CN 201120255370 U CN201120255370 U CN 201120255370U CN 202183586 U CN202183586 U CN 202183586U
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Abstract
The utility model relates to a device for managing public electricity of a real estate, in particular to a current-limiting protector for the public electricity of a passageway. According to the technical scheme, the current-limiting protector for the public electricity of the passageway mainly comprises a power supply input end, an output end, a current-limiting resistor, a current on-off control circuit and a signal component; a current on-off control component mainly comprises a photoelectric coupler, a switch controller, a silicon controlled rectifier and a triode; the output end of the photoelectric coupler is connected with the silicon controlled rectifier; the input end of the photoelectric coupler is connected with the triode; the output end of the switch controller controls the conduction and the cutting off of the triode; and the input end of the switch controller is connected with the photoelectric coupler. The current-limiting protector for the public electricity of the passageway has the beneficial effects that by arranging the current on-off control circuit, when the load of the public electricity of the passageway exceeds a set value, the output end can stop supplying power to cause that an illuminating lamp at the passageway is not turned on, and the circuit recovers to supply the power normally until the improper load is eliminated, thereby being capable of greatly saving the pubic electricity and avoiding the electricity-stealing phenomenon and the electricity-leakage phenomenon of the public electricity.
Description
Technical field:
The utility model relates to a kind of property common electrical management devices, the public electric limiting protector of particularly a kind of corridor.
Background technology:
Along with the development of community, the precision management of each service for infrastructure unit is also more and more meticulousr, and community has problem to be solved to practice thrift the cost enhancing efficiency by relying on tapping internal latent power exactly, through the shared electric tracing of the corridor of part infrastructure management company is investigated.The power consumption of finding some corridor is very surprising, can reach the electricity of degree more than 70 in every month, and few also have 20-30 degree electricity, and normal power consumption should be electric at more than 10 degree, and the electric weight that electric company appraises and decides to us is every month each corridor 13-15 degree.
Cause the excessive reason of the public electric consumption of corridor to be: it is public that (1) some resident's private connects corridor; (2) the corridor lamp bulb burns out the back resident and according to the acoustic control lamp load power bulb (general acoustic control lamp bulb is 25w) is not installed; (3) it is public that the workmen has used corridor in work progress; (4) public electric equipment such as acoustic control lamp, building door has leaky, has caused power excessive.
In order to control public electric weight, the measure that property is taked is: partly used the ammeter of checking card to the excessive corridor of electricity consumption, every month only to filling the electric weight of some.When electric weight uses up, cut off the power supply automatically, use the ammeter of checking card to practice thrift electric weight, but still brought inconvenience to the resident in the application process: 1, fill electricity with and used in a couple of days that corridor lamp has not just worked; 2, resident's entering corridor of can only feeling about in the dark time of being left; 3, brought very big potential safety hazard; 4, reduced the reputation of sub-district property simultaneously.
The utility model content:
The purpose of the utility model is exactly the above-mentioned defective that exists to prior art, provides a kind of and can solve electrical energy saving, the public electric limiting protector of corridor 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 form; Wherein, Signal element mainly is to be connected to form by light-emitting diode, can in time remind the maintenance personal to fix a breakdown, and it is characterized in that: described current switching control element mainly is made up of photoelectrical coupler (IC1, IC2), on-off controller (IC3), controllable silicon (Q1) and triode (Q2); The output of photoelectrical coupler (IC1) connects controllable silicon (Q1); Input connects triode (Q2), and on-off controller (IC3) output is controlled the conducting of triode (Q2) and ended, and on-off controller (IC3) input connects photoelectrical coupler (IC2);
Described output (L
Go out) load when surpassing set point, photoelectrical coupler (IC2) conducting, the on-off controller (IC3) that is connected with photoelectrical coupler (IC2) is controlled triode (Q2) and is ended, and then photoelectrical coupler (IC1) is ended, output is stopped power supply; When the load of output during less than set point, photoelectrical coupler (IC2) ends, on-off controller (IC3) control turn-on transistor (Q2), thus make photoelectrical coupler (IC1) conducting, continue to supply power to output.
Above-mentioned power input is provided with the input power supply (L1, L2, L3) of a plurality of setting different loads values, and is connected with the current switching control circuit respectively.
The set point of above-mentioned input power supply (L1) is that load is no more than 100W; Input power supply (L1) connects photoelectrical coupler (IC1) through current-limiting resistance (R5); Be connected photoelectrical coupler (IC2) through diode (D5) with current-limiting resistance (R6), be connected with controllable silicon (Q1) through two resistance (R3, R4).
The set point of above-mentioned input power supply (L2) is that load is no more than 200W; Input power supply (L2) connects photoelectrical coupler (IC1) through current-limiting resistance (R1, R3, R4, R5), connects photoelectrical coupler (IC2) and controllable silicon (Q1) through current-limiting resistance (R1).
The set point of above-mentioned input power supply (L3) is that load is no more than 300W; Input power supply (L3) connects photoelectrical coupler (IC1) through current-limiting resistance (R2, R3, R4, R5), connects photoelectrical coupler (IC2) and controllable silicon (Q1) through current-limiting resistance (R2).
The beneficial effect of the utility model is: through the current switching control circuit is set, when the load of the public electricity of corridor surpassed set point, output can be stopped power supply; Cause corridor lighting not work; After inappropriate load picked-off, circuit recovered normal power supply, like this; Can practice thrift public electricity greatly, avoid the stealing electricity phenomenon and the leaky of public electricity.
Description of drawings:
Accompanying drawing 1 is the circuit connection diagram of the utility model;
Among the last figure: input power supply (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, and electric capacity (C1-C3), light-emitting diode (LG, LR), diode (D1-D7).
Embodiment:
In conjunction with accompanying drawing 1, the utility model is done further to describe:
The utility model is mainly by power input, output L
Go out, current-limiting resistance, current switching control circuit, signal element form; Wherein, Signal element mainly is to be connected to form by light-emitting diode LG and LR, can in time remind the maintenance personal to fix a breakdown, and described current switching control element mainly is made up of existing commercially available photoelectrical coupler (IC1, IC2), on-off controller IC3, controllable silicon Q1 and the triode Q2 that model is TL431; Model is that the output of the photoelectrical coupler IC1 of 4N25 connects controllable silicon Q1; Input connects triode Q2, and on-off controller IC3 output is controlled the conducting of triode Q2 and ended, and it is the photoelectrical coupler IC2 of P343 that on-off controller IC3 input connects model;
Described output L
Go outLoad when surpassing set point, photoelectrical coupler IC2 conducting, the on-off controller IC3 that is connected with photoelectrical coupler IC2 controls triode Q2 and ends, and then photoelectrical coupler IC1 is ended, output is stopped power supply; When the load of output during less than set point, photoelectrical coupler IC2 ends, on-off controller IC3 control turn-on transistor Q2, thus make photoelectrical coupler IC1 conducting, continue to supply power to output.
Above-mentioned power input is provided with input power supply L1, L2, the L3 of a plurality of setting different loads values, and is connected with the current switching control circuit respectively.
The set point of above-mentioned input power supply L1 is that load is no more than 100W, and input power supply L1 connects photoelectrical coupler IC1 through current-limiting resistance R5, is connected photoelectrical coupler IC2 through diode D5 with current-limiting resistance R6, is connected with controllable silicon Q1 through two resistance R 3, R4.
The set point of above-mentioned input power supply L2 is that load is no more than 200W, and input power supply L2 connects photoelectrical coupler IC1 through current-limiting resistance R1, R3, R4, R5, connects photoelectrical coupler IC2 and controllable silicon Q1 through current-limiting resistance R1.
The set point of above-mentioned input power supply L3 is that load is no more than 300W, and input power supply L3 connects photoelectrical coupler IC1 through current-limiting resistance R2, R3, R4, R5, connects photoelectrical coupler IC2 and controllable silicon Q1 through current-limiting resistance R2.
The course of work of physical circuit is following:
When circuit connects N, L1 and L
Go outBack (bearing power of setting is no more than 100W), the 220V alternating current makes capacitor C 1 charging through D3, R11, D1, D2, R12, and light-emitting diode LG, LR are luminous; 1 pin of photoelectrical coupler IC1,4 pin of 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 the 220V electricity is told through R5 passes through IC1 are to 4 pin; Trigger controllable silicon Q1,220V by input L1 through R3, R4 current limliting to Q1 to output L
Go outMust be electric, the output normal power supply.Work as L
Go outPower output increase suddenly, during the 100W that surpass to set, the branch rheology of R3, R4 is big, being raise the voltage of assigning to by D5, R6 causes (IC2) conducting, like this, IC3 voltage raises, Q2 ends, and like this, makes IC1 voltage out of hand, Q1 closes, output L
Go outDo not had output voltage, thereby prevented to leak electricity the perhaps generation of stealing.
When circuit connects N, L2 and L
Go outBack (bearing power of setting is no more than 200W), when output at ordinary times load on 200W when following, it is bright that the 220V alternating current gets electric mistake R12, LR, LG indicator light through R1, R3, R4 to D3 and D1, D2 commutation capacitor C1; The IC1 conducting; The Q2 conducting, IC3 is the IC1 voltage stabilizing, the Q1 normally; 220V crosses R1 to Q1, output L
Go out.When power output during greater than the 200w that sets, voltage descends in the supply line, and electrorheological is big, and it is big that the voltage of the R5 in the parallel circuits becomes, and like this, the IC2 conducting causes IC3 control Q2 to end, and IC1 closes, and Q1 stops power supply.
When circuit connects N, L3 and L
Go outBack (bearing power of setting is no more than 300W), when output normally used the load below the 300W, the 220V alternating current was crossed R2 to D3, and to get the electric R12, LR, LG indicator light of passing through bright with D1, D2, commutation capacitor C1, the IC1 conducting, 220V crosses R2 to Q1, output L
Go out.When power output during greater than the 300W that sets, the voltage of R6 raises, the IC2 conducting; IC3 overvoltage protection control Q2 ends, and IC1 does not work, and Q1 ends; Stop to the output power supply, after output loading is less than setting (back is extractd in just abnormal load), circuit meeting automatic recovery of power supply; Thereby the situation that makes electric leakage perhaps steal public electricity is able to refusal, has protected public resource.
Claims (5)
1. public electric limiting protector of corridor is mainly by power input, output (L
Go out), current-limiting resistance, current switching control circuit, signal element form; Wherein, Signal element mainly is to be connected to form by light-emitting diode, can in time remind the maintenance personal to fix a breakdown, and it is characterized in that: described current switching control element mainly is made up of photoelectrical coupler (IC1, IC2), on-off controller (IC3), controllable silicon (Q1) and triode (Q2); The output of photoelectrical coupler (IC1) connects controllable silicon (Q1); Input connects triode (Q2), and on-off controller (IC3) output is controlled the conducting of triode (Q2) and ended, and on-off controller (IC3) input connects photoelectrical coupler (IC2); Described output (L
Go out) load when surpassing set point, photoelectrical coupler (IC2) conducting, the on-off controller (IC3) that is connected with photoelectrical coupler (IC2) is controlled triode (Q2) and is ended, and then photoelectrical coupler (IC1) is ended, output is stopped power supply; When the load of output during less than set point, photoelectrical coupler (IC2) ends, on-off controller (IC3) control turn-on transistor (Q2), thus make photoelectrical coupler (IC1) conducting, continue to supply power to output.
2. the public electric limiting protector of corridor according to claim 1 is characterized in that: described power input is provided with the input power supply (L1, L2, L3) of a plurality of setting different loads values, and is connected with the current switching control circuit respectively.
3. the public electric limiting protector of corridor according to claim 2; It is characterized in that: the set point of described input power supply (L1) is that load is no more than 100W; Input power supply (L1) connects photoelectrical coupler (IC1) through current-limiting resistance (R5); Be connected photoelectrical coupler (IC2) through diode (D5) with current-limiting resistance (R6), be connected with controllable silicon (Q1) through two resistance (R3, R4).
4. the public electric limiting protector of corridor according to claim 2; It is characterized in that: the set point of described input power supply (L2) is that load is no more than 200W; Input power supply (L2) connects photoelectrical coupler (IC1) through current-limiting resistance (R1, R3, R4, R5), connects photoelectrical coupler (IC2) and controllable silicon (Q1) through current-limiting resistance (R1).
5. the public electric limiting protector of corridor according to claim 2; It is characterized in that: the set point of described input power supply (L3) is that load is no more than 300W; Input power supply (L3) connects photoelectrical coupler (IC1) through current-limiting resistance (R2, R3, R4, R5), connects photoelectrical coupler (IC2) and controllable silicon (Q1) through current-limiting resistance (R2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202553701U CN202183586U (en) | 2011-07-19 | 2011-07-19 | Current-limiting protector for public electricity of passageway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202553701U CN202183586U (en) | 2011-07-19 | 2011-07-19 | Current-limiting protector for public electricity of passageway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202183586U true CN202183586U (en) | 2012-04-04 |
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ID=46176608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202553701U Expired - Fee Related CN202183586U (en) | 2011-07-19 | 2011-07-19 | Current-limiting protector for public electricity of passageway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202183586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280850A (en) * | 2011-07-19 | 2011-12-14 | 吕书栋 | Corridor public electricity current limiting protector |
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2011
- 2011-07-19 CN CN2011202553701U patent/CN202183586U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280850A (en) * | 2011-07-19 | 2011-12-14 | 吕书栋 | Corridor public electricity current limiting protector |
| CN102280850B (en) * | 2011-07-19 | 2014-02-05 | 吕书栋 | Corridor public electricity current limiting protector |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120404 Termination date: 20120719 |