CN205546055U - Emergent LED lamp power supply circuit - Google Patents
Emergent LED lamp power supply circuit Download PDFInfo
- Publication number
- CN205546055U CN205546055U CN201620094542.4U CN201620094542U CN205546055U CN 205546055 U CN205546055 U CN 205546055U CN 201620094542 U CN201620094542 U CN 201620094542U CN 205546055 U CN205546055 U CN 205546055U
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- China
- Prior art keywords
- resistance
- triode
- connects
- diode
- led lamp
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- Expired - Fee Related
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses an emergent LED lamp power supply circuit, including diode D1, inductance L1, triode V4 and LED lamps and lanterns H, diode D1's negative pole connecting resistance R1, resistance R2, resistance R3, resistance R9, electric capacity C2 and power VCC, diode D1's positive pole connect electric capacity C1, triode V1's collecting electrode and inductance L1, electric capacity C2's other end connecting resistance R5, resistance R6, resistance R12, triode V1's projecting pole, triode V3's projecting pole, triode V5's projecting pole, battery E's negative pole and LED banks H. The utility model discloses emergent LED lamp power supply circuit simple structure, components and parts are few, have abandoned traditional relay switch structure, use triode and capacity cell to constitute two power switching module, and its stability is high, long service life, and the reaction is sensitive, can keep LED lamps and lanterns uninterrupted duty, consequently has with low costsly and advantage convenient to use.
Description
Technical field
The utility model relates to a kind of LED circuit, specifically a kind of emergency LED lamp power circuit.
Background technology
Illumination is electric applicable key areas, especially in some special places such as: hotel, restaurant or basement flow of personnel are intensive, limited by fabric structure, if had a power failure suddenly, especially because the power failure that burst accidental cause causes, it is easy to raise fear and trample the event of blocking up, cause casualties, the appearance of emergency light effectively solves this problem, emergency light is all with energy storage battery, but traditional emergency light many uses Halogen lamp LED, and components and parts many uses relay of its civil power-stand-by power supply switching, relay is owing to using mechanical contact, service life is shorter, and the less stable of relay, easily false triggering.
Utility model content
The purpose of this utility model is to provide a kind of emergency LED lamp power circuit, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of the utility model offer:
nullA kind of emergency LED lamp power circuit，Including diode D1、Inductance L1、Triode V4 and LED lamp H，The negative electrode of described diode D1 connects resistance R1、Resistance R2、Resistance R3、Resistance R9、Electric capacity C2 and power supply VCC，The anode of diode D1 connects electric capacity C1、The colelctor electrode of triode V1 and inductance L1，The other end of electric capacity C2 connects resistance R5、Resistance R6、Resistance R12、The emitter stage of triode V1、The emitter stage of triode V3、The emitter stage of triode V5、The negative pole of battery E and LED group H，The other end of electric capacity C1 connects the other end and the base stage of triode V2 of resistance R5，The colelctor electrode of the base stage connecting triode V2 of triode V1，The other end of inductance L1 connects resistance R4、The emitter stage of triode V2 and the colelctor electrode of triode V4，The other end of resistance R4 connects the other end of resistance R1、The other end of resistance R6 and the base stage of triode V3，The colelctor electrode of triode V3 connects resistance R7，The other end of resistance R7 connects the negative electrode of diode D2、Resistance R8 and the base stage of triode V4，The other end of resistance R2 connects the anode of diode D2，The other end of resistance R8 connects the negative electrode of diode D3、The positive pole of battery E and the emitter stage of triode V4，The other end of resistance R9 connects resistance R10 and the anode of diode D3，The other end of resistance R10 connects the other end and the base stage of triode V5 of resistance R12，The colelctor electrode of triode V5 connects resistance R11，The other end of resistance R3 connects the other end and the other end of LED group H of resistance R11.
As preferred version of the present utility model: described power supply VCC is through the DC voltage of over commutation reduced output voltage by line voltage.
Compared with prior art, the beneficial effects of the utility model are: the utility model emergency LED lamp power circuit simple in construction, components and parts are few, abandon traditional relay switching construction, use triode and capacity cell composition dual power supply handover module, its stability is high, and service life is long, is quick on the draw, LED lamp non-stop run can be kept, therefore there is low cost and advantage easy to use.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of emergency LED lamp power circuit.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the utility model rather than whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of the utility model protection.
nullRefer to Fig. 1，A kind of emergency LED lamp power circuit，Including diode D1、Inductance L1、Triode V4 and LED lamp H，The negative electrode of described diode D1 connects resistance R1、Resistance R2、Resistance R3、Resistance R9、Electric capacity C2 and power supply VCC，The anode of diode D1 connects electric capacity C1、The colelctor electrode of triode V1 and inductance L1，The other end of electric capacity C2 connects resistance R5、Resistance R6、Resistance R12、The emitter stage of triode V1、The emitter stage of triode V3、The emitter stage of triode V5、The negative pole of battery E and LED group H，The other end of electric capacity C1 connects the other end and the base stage of triode V2 of resistance R5，The colelctor electrode of the base stage connecting triode V2 of triode V1，The other end of inductance L1 connects resistance R4、The emitter stage of triode V2 and the colelctor electrode of triode V4，The other end of resistance R4 connects the other end of resistance R1、The other end of resistance R6 and the base stage of triode V3，The colelctor electrode of triode V3 connects resistance R7，The other end of resistance R7 connects the negative electrode of diode D2、Resistance R8 and the base stage of triode V4，The other end of resistance R2 connects the anode of diode D2，The other end of resistance R8 connects the negative electrode of diode D3、The positive pole of battery E and the emitter stage of triode V4，The other end of resistance R9 connects resistance R10 and the anode of diode D3，The other end of resistance R10 connects the other end and the base stage of triode V5 of resistance R12，The colelctor electrode of triode V5 connects resistance R11，The other end of resistance R3 connects the other end and the other end of LED group H of resistance R11.
Power supply VCC is through the DC voltage of over commutation reduced output voltage by line voltage.
Operation principle of the present utility model is: charge for battery E.If the battery in Chong electricity is the most full.Make voltage between diode D3 positive pole and the negative pole of battery the most on the low side because its terminal voltage is relatively low, dividing potential drop on R10, R12 loop is thus made to be less than the bias of V5 pipe, then V5 cut-off, supply voltage is directly added in LED lamp H through resistance R3, indicates as charged state.It addition, power supply is being that V3, V4 translation function circuit of meeting an urgent need is powered through R1, R2, though R1 makes V3 obtain bias conducting, but due in now V4 base stage potential value be higher than its emitter stage, thus V4 is also at cut-off state.Once run into mains failure, owing to, in the temporal program of former storage tension discharge on power circuit filtering electrolysis C2, V3 pipe still turns on, and therefore the bias current produced because of V4 e-b pole and loop, R7, V3 c-e pole immediately is made the e-c pole of V4 turn on by the electricity of rechargeable battery.So, battery E is powered by the e-c of V4 extremely V1-V2 immediately.Vl-V2 is a simple saturation type self-maintained circuit, and oscillating current is by Ll and produces higher self-induction electromotive force at its two ends, as the supply voltage of driving LED group H, is used for its illumination.If civil power recovers, then working morphology when circuit will recover initial: load LED lamp group changes automatically by the main power supply state of civil power；Battery also cuts Charging state with supplementary electricity.
Claims (2)
- null1. an emergency LED lamp power circuit，Including diode D1、Inductance L1、Triode V4 and LED lamp H，It is characterized in that，The negative electrode of described diode D1 connects resistance R1、Resistance R2、Resistance R3、Resistance R9、Electric capacity C2 and power supply VCC，The anode of diode D1 connects electric capacity C1、The colelctor electrode of triode V1 and inductance L1，The other end of electric capacity C2 connects resistance R5、Resistance R6、Resistance R12、The emitter stage of triode V1、The emitter stage of triode V3、The emitter stage of triode V5、The negative pole of battery E and LED group H，The other end of electric capacity C1 connects the other end and the base stage of triode V2 of resistance R5，The colelctor electrode of the base stage connecting triode V2 of triode V1，The other end of inductance L1 connects resistance R4、The emitter stage of triode V2 and the colelctor electrode of triode V4，The other end of resistance R4 connects the other end of resistance R1、The other end of resistance R6 and the base stage of triode V3，The colelctor electrode of triode V3 connects resistance R7，The other end of resistance R7 connects the negative electrode of diode D2、Resistance R8 and the base stage of triode V4，The other end of resistance R2 connects the anode of diode D2，The other end of resistance R8 connects the negative electrode of diode D3、The positive pole of battery E and the emitter stage of triode V4，The other end of resistance R9 connects resistance R10 and the anode of diode D3，The other end of resistance R10 connects the other end and the base stage of triode V5 of resistance R12，The colelctor electrode of triode V5 connects resistance R11，The other end of resistance R3 connects the other end and the other end of LED group H of resistance R11.
- A kind of emergency LED lamp power circuit the most according to claim 1, it is characterised in that described power supply VCC is through the DC voltage of over commutation reduced output voltage by line voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094542.4U CN205546055U (en) | 2016-01-29 | 2016-01-29 | Emergent LED lamp power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094542.4U CN205546055U (en) | 2016-01-29 | 2016-01-29 | Emergent LED lamp power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205546055U true CN205546055U (en) | 2016-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620094542.4U Expired - Fee Related CN205546055U (en) | 2016-01-29 | 2016-01-29 | Emergent LED lamp power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205546055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111129984A (en) * | 2019-12-23 | 2020-05-08 | 广州市科士达电源设备有限公司 | Multifunctional power distribution box |
-
2016
- 2016-01-29 CN CN201620094542.4U patent/CN205546055U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111129984A (en) * | 2019-12-23 | 2020-05-08 | 广州市科士达电源设备有限公司 | Multifunctional power distribution box |
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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: 20160831 Termination date: 20190129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |