CN202855022U - Power failure emergency lighting alarm - Google Patents
Power failure emergency lighting alarm Download PDFInfo
- Publication number
- CN202855022U CN202855022U CN2012205370853U CN201220537085U CN202855022U CN 202855022 U CN202855022 U CN 202855022U CN 2012205370853 U CN2012205370853 U CN 2012205370853U CN 201220537085 U CN201220537085 U CN 201220537085U CN 202855022 U CN202855022 U CN 202855022U
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- triode
- resistance
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- base stage
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- Expired - Fee Related
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- 238000001514 detection method Methods 0.000 claims abstract description 9
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 4
- 238000005286 illumination Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model discloses a power failure emergency lighting alarm. The power failure emergency lighting alarm comprises a voltage reduction rectifier voltage stabilizing circuit used for converting commercial power into low voltage direct current, a charging circuit used for charging a storage battery when the commercial power exists, and a detection lighting alarm circuit, wherein the detection lighting alarm circuit is used for conducting the storage battery and a lighting lamp to lighten the lighting lamp when the commercial power is detected to be no existence, and the detection lighting alarm circuit provides power for a buzzing alarm to make the buzzing alarm emit alarm buzzing. The power failure emergency lighting alarm has a simple circuit structure, can instantly carry out alarm buzzing after power failure, emits alarm buzzing, automatically lightens an emergency lamp and timely wakes on-duty personnel up to deal with the work. The power failure emergency lighting alarm solves problems of lighting and alarm when power failure occurs during on-duty time in the night.
Description
Technical field
The utility model relates to a kind of power-cut emergency lighting alarm.
Background technology
Be responsible for operator on duty night of power supply system when on duty, sometimes meet the extreme weathers such as thunderstorm or burst accident and cause temporary interruption, because the sleep state that sometimes is on duty does not usually cause relevant staff response on duty blunt because there being special prompting instrument, so that incurs loss through delay the repair time.
The utility model content
The technical problems to be solved in the utility model provides a kind of power-cut emergency lighting alarm, and it has the characteristics such as reliable operation, practicality.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: it comprises: step-down rectifier mu balanced circuit, charging circuit and detection illumination alert circuit; Described charging circuit, comprise NPN type triode V1, described triode V1 provides each utmost point bias voltage through resistance for it by the step-down rectifier mu balanced circuit, the voltage of described triode V1 base stage is its emitter junction dead band voltage and the specified charging voltage sum of accumulator E, described triode V1 is in the saturation conduction state, and described triode V1 emitter is through commutation diode D6 and accumulator E charging; Described detection illumination alert circuit, comprise NPN type triode V2, its collector is connected with resistance R through resistance R 8 and is connected with accumulator E is anodal, described triode V1 emitter is through commutation diode D7, resistance R 7 is connected the node that connects with resistance R, resistance R 10 is connected with NPN type triode V4 collector, described triode V1 emitter is connected with triode V2 base stage through resistance R 6, described triode V2 emitter is connected with ground, diode D7 is connected the node that connects and is connected with the base stage of positive-negative-positive triode V3 with resistance R, the base stage of described triode V3 is through resistance R 9, test button ON is connected with ground, the emitter of described triode V3 is connected with accumulator E is anodal, its collector is connected through the base stage of resistance R 11 with triode V4, the base stage of described triode V4 is connected with ground through resistance R 12, the emitter of described triode V4 is connected with ground, at accumulator E between the anodal and triode V4 collector and be connected to illuminating lamp and buzzer siren.
The utility model further improves and is: be connected with alarm test button OFF between the base stage of triode V4 and the ground; Step-down rectifier mu balanced circuit output cathode is connected with current-limiting resistance R3, is connected with charging light emitting diode D11 between resistance R 3 and the triode V1 collector, is connected with current-limiting resistance R5 and power supply indication light diode D12 between triode V1 emitter and the ground; Triode V1 base stage provides voltage through voltage stabilizing diode DW over the ground.
The beneficial effect that adopts technique scheme to produce is: the utility model circuit structure is simple, reports to the police immediately after can accomplishing to have a power failure, and sounds a buzzer, emergency light is opened automatically simultaneously, at any time the operator on duty is waken and devotes oneself to work.Solved at night and thrown light on and the warning problem in the situation of unexpected power failure on duty.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
By embodiment shown in Figure 1 as can be known, it comprises: step-down rectifier mu balanced circuit, charging circuit and detection illumination alert circuit; Described charging circuit, comprise NPN type triode V1, described triode V1 provides each utmost point bias voltage through resistance for it by the step-down rectifier mu balanced circuit, the voltage of described triode V1 base stage is its emitter junction dead band voltage and the specified charging voltage sum of accumulator E, described triode V1 is in the saturation conduction state, and described triode V1 emitter is through commutation diode D6 and accumulator E charging; Described detection illumination alert circuit, comprise NPN type triode V2, its collector is connected with resistance R through resistance R 8 and is connected with accumulator E is anodal, described triode V1 emitter is through commutation diode D7, resistance R 7 is connected the node that connects with resistance R, resistance R 10 is connected with NPN type triode V4 collector, described triode V1 emitter is connected with triode V2 base stage through resistance R 6, described triode V2 emitter is connected with ground, diode D7 is connected the node that connects and is connected with the base stage of positive-negative-positive triode V3 with resistance R, the base stage of described triode V3 is through resistance R 9, test button ON is connected with ground, the emitter of described triode V3 is connected with accumulator E is anodal, its collector is connected through the base stage of resistance R 11 with triode V4, the base stage of described triode V4 is connected with ground through resistance R 12, the emitter of described triode V4 is connected with ground, at accumulator E between the anodal and triode V4 collector and be connected to illuminating lamp and buzzer siren; Be connected with alarm test button OFF between the base stage of triode V4 and the ground; Step-down rectifier mu balanced circuit output cathode is connected with current-limiting resistance R3, be connected with charging light emitting diode (redness) D11 between resistance R 3 and the triode V1 collector, be connected with current-limiting resistance R5 and power supply indication light diode (green) D12 between triode V1 emitter and the ground; Triode V1 base stage provides voltage through voltage stabilizing diode DW over the ground.
The beneficial effect that adopts technique scheme to produce is: the utility model circuit structure is simple, reports to the police immediately after can accomplishing to have a power failure, and sounds a buzzer, emergency light is opened automatically simultaneously, at any time the operator on duty is waken and devotes oneself to work.Solved at night and thrown light on and the warning problem in the situation of unexpected power failure on duty.
Principle of work:
When civil power exists, the low-voltage dc power supply that provides by the step-down rectifier mu balanced circuit is charged to accumulator by charging circuit, because the bias voltage of triode V1 base stage is its emitter junction dead band voltage and the specified charging voltage sum of accumulator, so rising along with battery tension, charging current also can correspondingly reduce, when accumulator was charged to rated voltage, triode V1 was in lightly conducting state (only have voltage, electric current is very little); This moment is because of the existence of D6 and D7, the be pole tension of the exciter tube V3 of compound transistor is zero, switching tube V4 is in cut-off state, and illuminating lamp and buzzer siren are not worked, when civil power does not exist, the exciter tube V3 of compound transistor is in conducting state, energizing switch pipe V4 conducting can be lighted illuminating lamp, the time buzzer siren send chimes of doom, ON, OFF are LED illuminating lamp, alarm test button, when the 220V AC power is normal.The duty of triode V1 and exciter tube V3 be can change by these two buttons, LED lamp, warning device turned on or close, with the performance of test circuit.
Claims (4)
1. power-cut emergency lighting alarm, it is characterized in that: it comprises: step-down rectifier mu balanced circuit, charging circuit and detection illumination alert circuit; Described charging circuit, comprise NPN type triode V1, described triode V1 provides each utmost point bias voltage through resistance for it by the step-down rectifier mu balanced circuit, the voltage of described triode V1 base stage is its emitter junction dead band voltage and the specified charging voltage sum of accumulator E, described triode V1 is in the saturation conduction state, and described triode V1 emitter is through commutation diode D6 and accumulator E charging; Described detection illumination alert circuit, comprise NPN type triode V2, its collector is connected with resistance R through resistance R 8 and is connected with accumulator E is anodal, described triode V1 emitter is through commutation diode D7, resistance R 7 is connected the node that connects with resistance R, resistance R 10 is connected with NPN type triode V4 collector, described triode V1 emitter is connected with triode V2 base stage through resistance R 6, described triode V2 emitter is connected with ground, diode D7 is connected the node that connects and is connected with the base stage of positive-negative-positive triode V3 with resistance R, the base stage of described triode V3 is through resistance R 9, test button ON is connected with ground, the emitter of described triode V3 is connected with accumulator E is anodal, its collector is connected through the base stage of resistance R 11 with triode V4, the base stage of described triode V4 is connected with ground through resistance R 12, the emitter of described triode V4 is connected with ground, at accumulator E between the anodal and triode V4 collector and be connected to illuminating lamp and buzzer siren.
2. a kind of power-cut emergency lighting alarm according to claim 1 is characterized in that being connected with alarm test button OFF between the base stage of described triode V4 and the ground.
3. a kind of power-cut emergency lighting alarm according to claim 1, it is characterized in that described step-down rectifier mu balanced circuit output cathode is connected with current-limiting resistance R3, be connected with charging light emitting diode D11 between described resistance R 3 and the triode V1 collector, be connected with current-limiting resistance R5 and power supply indication light diode D12 between described triode V1 emitter and the ground.
4. a kind of power-cut emergency lighting alarm according to claim 3 is characterized in that described triode V1 base stage provides voltage through voltage stabilizing diode DW over the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205370853U CN202855022U (en) | 2012-10-19 | 2012-10-19 | Power failure emergency lighting alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205370853U CN202855022U (en) | 2012-10-19 | 2012-10-19 | Power failure emergency lighting alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855022U true CN202855022U (en) | 2013-04-03 |
Family
ID=47986193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205370853U Expired - Fee Related CN202855022U (en) | 2012-10-19 | 2012-10-19 | Power failure emergency lighting alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202855022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022566A (en) * | 2014-05-27 | 2014-09-03 | 国网四川省电力公司成都市新都供电分公司 | Power failure emergency alarm circuit |
-
2012
- 2012-10-19 CN CN2012205370853U patent/CN202855022U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022566A (en) * | 2014-05-27 | 2014-09-03 | 国网四川省电力公司成都市新都供电分公司 | Power failure emergency alarm circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20181019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |