CN202043322U - Power restoration detection and automatic power off switch - Google Patents
Power restoration detection and automatic power off switch Download PDFInfo
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- CN202043322U CN202043322U CN2010206915444U CN201020691544U CN202043322U CN 202043322 U CN202043322 U CN 202043322U CN 2010206915444 U CN2010206915444 U CN 2010206915444U CN 201020691544 U CN201020691544 U CN 201020691544U CN 202043322 U CN202043322 U CN 202043322U
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Abstract
The utility model relates to a power restoration detection and automatic power off switch, which belongs to the technical field of lighting lamp control. Compared with the conventional lighting switch, the utility model is characterized in that the switch is suitable for occasions where the switch is forgotten to be closed after power off and the lighting lamp is not required to be turned on after power restoration, and can automatically monitor and disconnect a working circuit after power restoration; and when the lighting lamp is required to be turned on, an S1 is operated, and the circuit can control the lighting lamp to work as an ordinary switch does. The switch adopts an ordinary duplex power switch, a semiconductor component and a microcontroller chip to form a signal acquisition circuit and a control circuit, and has the advantages of simple structure, low manufacturing cost, low electricity consumption, small volume, convenience in installation and electrical energy conservation.
Description
Technical field
The utility model relates to a kind of checkout gear of the cut-off switch that throws light on, and especially forgets off switch after power failure, does not wish again behind the incoming call that the place that lamp is bright, this device can be implemented in incoming call back automatic disconnection operating circuit.
Background technology
At present, have a power failure back in a lot of places owing to can not in time turn off mains switch, and operating circuit work on and waste much electricity behind incoming call.For example hostel had a power failure suddenly just before going to bed when evening, and the student just has a rest, this moment, nobody kept in mind the powered-down switch, the back lighting light fixture will not close lamp bright because of switch when at night sending a telegram here, and not only influences the student and have a rest, and can waste electric energy again.
Summary of the invention
The utility model is intended to saves energy.
Circuit of the present utility model is by forming with the lower part: common duplex lighting switch S1 and illuminating lamp X1 are main circuit; Triode T1, resistance R 1, voltage-stabiliser tube D1 and relay K M are control circuit; The P1.0 end of S1 and the P1.0 end of single-chip microcomputer are signal acquisition circuit; Miniature transformer and rectifier diode IN4001, capacitor C 4, C5, resistance R 4, R5 are DC-stabilized circuit.
Single-chip microcomputer of the present utility model carries out acquired signal by the state of mains switch S1.The state of mains switch S1 is controlled the demand of operating circuit by the people.
The utility model is such Control work circuit: mains switch S1 is in closure state main circuit work just, after sudden power, switch S 1 is not disconnected, incoming call back mains switch S1 still is in closure state, single-chip microcomputer is imported acquired signal by P1-0, signal is handled, make control circuit work, make the adhesive of relay K M coil by pin P1-7 output high potential signal, the contact of relay K M becomes off-state by original closure, thereby disconnects main circuit so illuminating lamp does not work; When the needs illuminating lamp is bright, press primary power source switch S 1 behind the incoming call, this moment, mains switch disconnected, single-chip microcomputer detects main circuit by pin P1-0 and disconnects, and sends low-potential signal by pin P1-7 again and makes relay K M coil blackout, its closing of contact, though this moment relay K M contact closure but mains switch S1 is in off-state, so lighting does not work, closed again primary power source switch S 1 is because relay K M coil is in not attracting state, main circuit will be worked, and lighting is bright.Because this moment, mains switch moved twice, single-chip microcomputer is by S1 acquired signal and processing signals, and by the single-chip microcomputer control pin P1 that designs program, 7 do not send signal, not adhesive of relay K M, and the contact is not closed, and main circuit will be worked.
If mains switch S1 is disconnected before incoming call timely, just incoming call back lighting light fixture can be not bright.
Working procedure of the present utility model:
This comes the electro-detection cut-off switch not work under the situation of outage, only work when electricity is arranged.
Description of drawings
Fig. 1 is control circuit figure of the present utility model.
Fig. 2 is the pin figure of single-chip microcomputer, is single-chip microcomputer work conditio sune qua non.Wherein the circuit of capacitor C 1, C2 and crystal oscillator X1 composition provides clock signal for single-chip microcomputer.Capacitor C 1 and C2 are the startup electric capacity of crystal oscillator work; The circuit that capacitor C 1 and resistance R 2 are formed is the electrify restoration circuit of single-chip microcomputer.Switching on moment,, bringing out existing positive pulse, making RES hold the high level that keeps greater than two machine cycles, single-chip microcomputer reliable reset at RST because C1 charges by R2.
Fig. 3 is DC-stabilized circuit figure, for single-chip microcomputer provides 5V working power.
Fig. 4 is the electronic component installation diagram.
Characteristics of the present utility model: when cutting off the power supply, needing under the bright situation of illuminating lamp console switch S1, circuit operate as normal to incoming call; Do not needing under the bright situation of illuminating lamp, without console switch S1, circuit is not worked, and reaches the effect of saves energy.
Embodiment
As shown in Figure 4,5v miniature transformer, triode T1, R1, voltage-stabiliser tube D1, relay, single-chip microcomputer etc. should be welded on the smaller circuit board.
Selection of components and making:
Relay is selected according to the requirement of operating circuit, and resistance R 1 is 510 Ω, triode T1 model 9012, voltage-stabiliser tube D1 model IN4731.DC-stabilized circuit: transformer 220V/12V, rectifying tube D2 model IN4001, electrochemical capacitor C4 are that 1000uF, electrochemical capacitor C5 are that 220uF, resistance R 4 are that 220 Ω, potentiometer R5 are 1K Ω.
Claims (4)
1. come the electro-detection automatic power-off switch, circuit of the present utility model is by forming with the lower part: common duplex lighting switch S1 and illuminating lamp X1 are main circuit; Triode T1, resistance R 1, voltage-stabiliser tube D1 and relay K M are control circuit; The P1.0 end of S1 and the P1.0 end of single-chip microcomputer are signal acquisition circuit; Miniature transformer and rectifier diode IN4001, capacitor C 4, C5, resistance R 4, R5 are DC-stabilized circuit.
2. according to claim 1ly come the electro-detection automatic power-off switch, it is characterized in that: the resistance of resistance R 1 is 510 Ω in the control circuit.
3. according to claim 1ly come the electro-detection automatic power-off switch, it is characterized in that the resistance R 4 in the DC-stabilized circuit, the resistance of R5 are 220 Ω and 1K Ω, capacitor C 4, C5 are 1000uF and 220uF, and miniature transformer is 220V/12V, rectifying tube D2 model IN4001.
4. according to claim 1ly come the electro-detection automatic power-off switch, it is characterized in that: the P1.0 end of single-chip microcomputer is the signal input part that comes electro-detection automatic power-off switch circuit, and P1.7 is the output that comes electro-detection automatic power-off switch circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206915444U CN202043322U (en) | 2010-12-31 | 2010-12-31 | Power restoration detection and automatic power off switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206915444U CN202043322U (en) | 2010-12-31 | 2010-12-31 | Power restoration detection and automatic power off switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202043322U true CN202043322U (en) | 2011-11-16 |
Family
ID=44970747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206915444U Expired - Fee Related CN202043322U (en) | 2010-12-31 | 2010-12-31 | Power restoration detection and automatic power off switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202043322U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104039035A (en) * | 2013-03-06 | 2014-09-10 | 北京同步科技有限公司 | Intelligent lighting power-on-after-power-off energy-saving device and processing method thereof |
| CN106559947A (en) * | 2016-11-28 | 2017-04-05 | 陕西科技大学 | Lighting apparatus control method and switch |
-
2010
- 2010-12-31 CN CN2010206915444U patent/CN202043322U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104039035A (en) * | 2013-03-06 | 2014-09-10 | 北京同步科技有限公司 | Intelligent lighting power-on-after-power-off energy-saving device and processing method thereof |
| CN104039035B (en) * | 2013-03-06 | 2015-12-23 | 北京同步科技有限公司 | The energy-saving equipment be energized again after intelligent lighting power-off and processing method |
| CN106559947A (en) * | 2016-11-28 | 2017-04-05 | 陕西科技大学 | Lighting apparatus control method and switch |
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Legal Events
| 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: 20111116 Termination date: 20121231 |