CN205040059U - LED emergency lamp control circuit - Google Patents
LED emergency lamp control circuit Download PDFInfo
- Publication number
- CN205040059U CN205040059U CN201520640389.6U CN201520640389U CN205040059U CN 205040059 U CN205040059 U CN 205040059U CN 201520640389 U CN201520640389 U CN 201520640389U CN 205040059 U CN205040059 U CN 205040059U
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- Prior art keywords
- resistance
- diode
- triode
- chip
- contact resistance
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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
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a LED emergency lamp control circuit, including diode D1, diode D2, chip IC1 and triode VT1, diode D2's positive pole and power VCC, diode D1's negative pole connecting resistance R6, resistance R13, resistance R15, potentiometre RP1's a stiff end, battery E's positive pole and chip IC1's pin 4, diode D2's negative pole connecting resistance R8 and resistance R9 are connected to diode D1's positive pole. The utility model discloses LED emergency lamp control circuit has abandoned fragile relay structure, uses amplifier chip and the mode that the triode combines to detect the power, just can start the emergency light through opening the triode in case the outage appears, and circuit structure is simple simultaneously, and components and parts are few, consequently have convenient to use, stable performance and long service life's advantage.
Description
Technical field
The utility model relates to a kind of LED illumination lamp, specifically a kind of LED emergency light control circuit.
Background technology
Emergency light is lighting common in daily life, especially in public places such as residential building, market, subways, light source can be provided to people when running into emergency case, but the most complex structure of emergency light in the market, adopt relay as control element, relay is because use mechanical contact to cause its mechanical loss serious, and the life-span is lower, has therefore had a strong impact on the use of emergency light.
Summary of the invention
The purpose of this utility model is to provide the LED emergency light control circuit that a kind of structure is simple, the life-span is long, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of LED emergency light control circuit, comprise diode D1, diode D2, chip IC 1 and triode VT1, the anode of described diode D1 connects anode and the power supply VCC of diode D2, the negative electrode contact resistance R6 of diode D1, resistance R13, resistance R15, a stiff end of potentiometer RP1, the positive pole of storage battery E and the pin 4 of chip IC 1, the negative electrode contact resistance R8 of diode D2 and resistance R9, another stiff end contact resistance R5 of potentiometer RP1, the other end of resistance R5 connects the negative electrode of diode D3, resistance R16, the emitter of triode VT2, the collector electrode of triode VT3, the negative pole of LED group H and storage battery R, the sliding end contact resistance R7 of potentiometer RP1, the other end contact resistance R10 of resistance R7 and the pin 3 of chip IC 1, the other end of resistance R6 connects the anode of diode D3 and the other end of resistance R8, the other end of resistance R9 connects the pin 2 of chip IC 1, the other end contact resistance R10 of resistance R7 and the pin 3 of chip IC 1, the other end of resistance R10 connects the anode of diode D4, the negative electrode contact resistance R11 of diode D4 and resistance R12, the base stage of the other end connecting triode VT2 of resistance R11, the collector electrode contact resistance R14 of triode VT2, the other end of other end contact resistance R13 of resistance R14 and the base stage of triode VT1, the other end of collector electrode contact resistance R16 of triode VT1 and the other end of LED group H, the other end of resistance R15 connects the anode of diode D5, the emitter of the negative electrode connecting triode VT3 of diode D5, the model of chip IC 1 is LM324.
As preferred version of the present utility model: described power supply VCC is 7.5V direct current.
Compared with prior art, the beneficial effects of the utility model are: flimsy relay construction abandoned by the utility model LED emergency light control circuit, the mode using amplifier chip to be combined with triode detects power supply, once occur that power-off just starts emergency light by opening triode, circuit structure is simple simultaneously, components and parts are few, therefore have the advantage of easy to use, stable performance and use long service life.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of LED emergency light control circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of LED emergency light control circuit, comprise diode D1, diode D2, chip IC 1 and triode VT1, the anode of described diode D1 connects anode and the power supply VCC of diode D2, the negative electrode contact resistance R6 of diode D1, resistance R13, resistance R15, a stiff end of potentiometer RP1, the positive pole of storage battery E and the pin 4 of chip IC 1, the negative electrode contact resistance R8 of diode D2 and resistance R9, another stiff end contact resistance R5 of potentiometer RP1, the other end of resistance R5 connects the negative electrode of diode D3, resistance R16, the emitter of triode VT2, the collector electrode of triode VT3, the negative pole of LED group H and storage battery R, the sliding end contact resistance R7 of potentiometer RP1, the other end contact resistance R10 of resistance R7 and the pin 3 of chip IC 1, the other end of resistance R6 connects the anode of diode D3 and the other end of resistance R8, the other end of resistance R9 connects the pin 2 of chip IC 1, the other end contact resistance R10 of resistance R7 and the pin 3 of chip IC 1, the other end of resistance R10 connects the anode of diode D4, the negative electrode contact resistance R11 of diode D4 and resistance R12, the base stage of the other end connecting triode VT2 of resistance R11, the collector electrode contact resistance R14 of triode VT2, the other end of other end contact resistance R13 of resistance R14 and the base stage of triode VT1, the other end of collector electrode contact resistance R16 of triode VT1 and the other end of LED group H, the other end of resistance R15 connects the anode of diode D5, the emitter of the negative electrode connecting triode VT3 of diode D5, the model of chip IC 1 is LM324.
Power supply VCC is 7.5V direct current.
Operation principle of the present utility model is: diode D1 has two effects: the 7.5V voltage that power supply VCC exports by it reduces about 0.7V, make the voltage of about 6.8V can only be had to be added in battery two ends when charging, thus the generation of the electric current overcharge phenomenon prevented; Its reverse bias when primary power source de-energizes, keeps apart charging circuit and rechargeable battery.
Low voltage cutting circuit is made up of common ic chip 1 and peripheral cell thereof.R6, D2 and D3 provide a stable reference voltage 1.4V, and this voltage is connected on inverting input 2 pin of IC1 by R8 and R9.Resistance R5 and potentiometer RP1 arranges the minimum shutoff voltage value of battery, and this magnitude of voltage receives homophase input end 3 pin of IC2 by R7.Adjustment RP1, when making charged battery voltage lower than 5.1V, the voltage of IC1 the 3rd pin homophase input end is lower than the reference voltage of the anti-phase input end of the 2nd pin.Therefore output 1 pin output low level, triode VT2 is ended, thus triode VT1 also ends, such LED lamp H is de-energized, and avoids rechargeable battery to discharge further.Now VT3 but saturation conduction.
When power supply VCC has electricity, the reference voltage of IC1 the 2nd pin is improve by D2, make IC1 output low level equally, VT1, VT2 end, VT3 conducting, therefore chip IC 1 exports high level, triode VT2 conducting, therefore triode VT1 not conducting, thus LED group H is not worked, when only having power supply VCC to end, the reference voltage of chip IC 1 is zero, now chip IC 1 output low level, triode VT2 ends, triode VT1 conducting, LED group H conducting is luminous, reaches the object of emergency light.
Claims (2)
1. a LED emergency light control circuit, comprise diode D1, diode D2, chip IC 1 and triode VT1, it is characterized in that, the anode of described diode D1 connects anode and the power supply VCC of diode D2, the negative electrode contact resistance R6 of diode D1, resistance R13, resistance R15, a stiff end of potentiometer RP1, the positive pole of storage battery E and the pin 4 of chip IC 1, the negative electrode contact resistance R8 of diode D2 and resistance R9, another stiff end contact resistance R5 of potentiometer RP1, the other end of resistance R5 connects the negative electrode of diode D3, resistance R16, the emitter of triode VT2, the collector electrode of triode VT3, the negative pole of LED group H and storage battery R, the sliding end contact resistance R7 of potentiometer RP1, the other end contact resistance R10 of resistance R7 and the pin 3 of chip IC 1, the other end of resistance R6 connects the anode of diode D3 and the other end of resistance R8, the other end of resistance R9 connects the pin 2 of chip IC 1, the other end contact resistance R10 of resistance R7 and the pin 3 of chip IC 1, the other end of resistance R10 connects the anode of diode D4, the negative electrode contact resistance R11 of diode D4 and resistance R12, the base stage of the other end connecting triode VT2 of resistance R11, the collector electrode contact resistance R14 of triode VT2, the other end of other end contact resistance R13 of resistance R14 and the base stage of triode VT1, the other end of collector electrode contact resistance R16 of triode VT1 and the other end of LED group H, the other end of resistance R15 connects the anode of diode D5, the emitter of the negative electrode connecting triode VT3 of diode D5, the model of chip IC 1 is LM324.
2. a kind of LED emergency light control circuit according to claim 1, it is characterized in that, described power supply VCC is 7.5V direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520640389.6U CN205040059U (en) | 2015-08-24 | 2015-08-24 | LED emergency lamp control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520640389.6U CN205040059U (en) | 2015-08-24 | 2015-08-24 | LED emergency lamp control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205040059U true CN205040059U (en) | 2016-02-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520640389.6U Expired - Fee Related CN205040059U (en) | 2015-08-24 | 2015-08-24 | LED emergency lamp control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205040059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107148123A (en) * | 2017-07-10 | 2017-09-08 | 邱晖 | A kind of emergent lamp control circuit with power supply automatic switching function |
-
2015
- 2015-08-24 CN CN201520640389.6U patent/CN205040059U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107148123A (en) * | 2017-07-10 | 2017-09-08 | 邱晖 | A kind of emergent lamp control circuit with power supply automatic switching function |
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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: 20160217 Termination date: 20160824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |