CN204272431U - LED emergency lighting circuit for lamp - Google Patents

LED emergency lighting circuit for lamp Download PDF

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Publication number
CN204272431U
CN204272431U CN201420430486.8U CN201420430486U CN204272431U CN 204272431 U CN204272431 U CN 204272431U CN 201420430486 U CN201420430486 U CN 201420430486U CN 204272431 U CN204272431 U CN 204272431U
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China
Prior art keywords
circuit
civil power
connects
led
battery
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Active
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CN201420430486.8U
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Chinese (zh)
Inventor
王开刚
朱从利
董继海
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Gloria Digital Technology LLC
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Gloria Digital Technology LLC
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Priority to CN201420430486.8U priority Critical patent/CN204272431U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The utility model discloses a kind of LED emergency lighting circuit for lamp, comprise civil power tesing and switching circuit, battery charger, LED lamp holder drive circuit, booster circuit and step-down rectifying circuit, the electric current and voltage that civil power is depressured to required for driving by step-down rectifier inputs battery charger and civil power tesing and switching circuit by P2 binding post, battery charger connects LED lamp holder after being connected with LED lamp holder drive circuit, civil power tesing and switching circuit is for detecting civil power on off operating mode, change battery-powered when civil power disconnects, booster circuit is used for the battery current after to civil power disconnection and carries out boosting rear drive one group of LED luminescence.The utility model has instruction and emergent two kinds of functions, when civil power is energized, can guide corridor or corridor route with red (green) " EXIT ".During power-off, by battery to LED and the power supply of LED lamp holder part, power-on time >=90 minute, guide people to arrive safety zone.

Description

LED emergency lighting circuit for lamp
Technical field
The utility model relates to a kind of lighting lamp circuit, particularly relates to a kind of LED emergency lighting circuit for lamp.
Background technology
Emergency light is when normal illumination power failure, can effectively throw light on and show fire escape, maybe can continue to throw light on and a class light fixture of non-stop run.Be widely used in public place and can not the place of intermittent illumination.
The basic function of emergency light is all controlled by internal circuit, reliable and stable result of use and the life-span affecting light fixture of circuit.
Summary of the invention
The purpose of this utility model is to provide a kind of LED emergency lighting circuit for lamp, and have instruction and emergent two kinds of functions, circuit is simple, reliable.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of LED emergency lighting circuit for lamp, comprise a civil power tesing and switching circuit, one battery charger, one LED lamp holder drive circuit, one booster circuit and a step-down rectifying circuit, the electric current and voltage that civil power is depressured to required for driving by step-down rectifier inputs battery charger and civil power tesing and switching circuit by P2 binding post, battery charger is used for charging to battery BAT3, it is connected with LED lamp holder drive circuit, LED lamp holder drive circuit connects LED lamp holder, civil power tesing and switching circuit is for detecting civil power on off operating mode, change battery-powered when civil power disconnects, booster circuit is used for the battery current after to civil power disconnection and carries out boosting rear drive one group of LED luminescence.
LED emergency lighting circuit for lamp of the present utility model, by civil power, LED and LED lamp holder are powered, there is battery charger and civil power tesing and switching circuit, when civil power is to the power-off of power supply part, civil power tesing and switching circuit detects civil power power-off, and the battery being full of electricity is after-applied to LED and LED lamp holder through boost rectifying circuit, luminous to it, thus reach emergent object, use the emergency light life-span of the utility model circuit long, more energy-conservation.
Accompanying drawing explanation
Fig. 1 is signal square frame of the present utility model;
Fig. 2 is the circuit theory diagrams of 1 partial circuit in Fig. 1;
Fig. 3 is the circuit theory diagrams of 2 partial circuits in Fig. 1;
In figure: 3, battery charger, 4, LED lamp holder drive circuit, 5, booster circuit, 6, civil power tesing and switching circuit, 7, step-down rectifying circuit, P2: power supply, FUSE: fuse, BAT3: battery, Lamp1, lamp2:LED lamp holder.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described.
LED emergency lighting circuit for lamp as depicted in figs. 1 and 2, comprise a civil power tesing and switching circuit, one battery charger, one LED lamp holder drive circuit, one booster circuit and a step-down rectifying circuit, civil power is depressured to the electric current and voltage required for driving by step-down rectifying circuit, again by P2 binding post input battery charger and civil power tesing and switching circuit, battery charger is used for charging to battery BAT3, it is connected with LED lamp holder drive circuit, LED lamp holder drive circuit connects LED lamp holder, civil power tesing and switching circuit is for detecting civil power on off operating mode, change battery-powered when civil power disconnects, booster circuit is used for the battery current after to civil power disconnection and carries out boosting rear drive one group of LED luminescence, described battery charger comprises diode D10, resistance R5 and electric capacity C4, the positive pole of electric capacity C4 connects with battery BAT3 positive pole, access after diode D10 negative pole connects resistance R5 between battery BAT3 and electric capacity C4, battery BAT3 negative pole and electric capacity C4 negative pole power cathode, battery charger is connected with positive source, civil power tesing and switching circuit, rectification circuit by the positive pole of diode D10, connects civil power tesing and switching circuit at the node of battery BAT3 and resistance R5 and electric capacity C4, described civil power tesing and switching circuit mainly comprises diode D8, D6, D12, D19, resistance R11, R12, R13, R2, R1, R7, R8, R10, PNP type triode Q1, NPN type triode Q2, NPN type triode Q3 and C6, D8 negative pole meets R11, another termination R12 of R11 and C6 positive pole and R10, another termination Q3 collector electrode of R10 and Q2 base stage and D12 negative pole, R8 one end, the R8 other end is with Q2 emitter, Q3 emitter, R13 connects power cathode together, R13 another termination Q3 base stage and R12, Q2 collector electrode meets R7, R7 another termination Q1 base stage and R1, another termination Q1 emitter of R1, the battery BAT3 of battery charger and the node of resistance R5 and electric capacity C4, LED lamp holder, Q1 collector electrode connects R2 and D19 positive pole, another termination D12 positive pole of R2, C6 negative pole connects power cathode, D19 negative pole access LED lamp holder drive circuit, described LED lamp holder drive circuit comprises R14, NPN type triode Q4, R16 and NPN type triode Q11, D19 negative pole in R14 mono-termination R16 and civil power tesing and switching circuit also accesses boost rectifying circuit, another termination Q11 base stage of R16, Q11 collector electrode connects LED lamp holder, and Q11 emitter connects Q4 emitter and connects power cathode, described booster circuit is formed primarily of L2, C7, NPN type triode Q14, PNP type triode Q15, R36 and R37, L2 one end connects with rectification circuit, Q14 collector electrode, another termination Q15 emitter of L2 also accesses LED lamp holder drive circuit, and Q15 base stage connects R37, Q14 emitter and resistance R35 and connects power cathode, described step-down rectifying circuit comprises electric capacity C1, resistance R3, fuse FUSE, diode D1, D2, D3, D4, TVS diode D5, described C1 and after meeting R3 one end connect fuse FUSE, the other end connects civil power L end, and connect D1 positive pole and D3 pole, D1 negative pole, D2 negative pole, D5 negative pole connect positive source, D3, D4, D5 positive pole also connects power cathode, and civil power N end is connected between D2 positive pole and D4 negative pole.
The present embodiment is further, also comprises a Test Switchboard S2, and its two ends connect positive source and power cathode, and when normal civil power has electric, press switch, namely light fixture enters emergency rating, judges that the function that light fixture is met an urgent need is normal according to this.
In the present embodiment, be connected with LED11 and R35 with described power supply, after energising, LED11 lamp bright display civil power is normal.
The utility model has instruction and emergent two kinds of functions.Light fixture adopts 220VAC mains-supplied, and the resistance capacitance through step-down rectifying circuit part carries out being depressurized to 24Vdc.At power output end with TVS transient voltage suppressor diode, the voltage exported is protected, when output voltage exceeds 24V, by voltage control at 24V.Power supply charges to battery (3 joint AA batteries, 3.6V), within 24 hours, is full of electricity; Be energized to luminescence to red (green) look LED, light is diffused into outside by red (green) look diaphragm.Emergency function, when civil power is to the power-off of power supply part, R10, R11, R12, R13, C6, Q3 detect civil power power-off, electricity more than on electric capacity C6, drives Q2, Q1 switching tube to open, uses the voltage of battery, be applied to red (green) look LED and LED lamp holder, luminous to it.Red (green) diaphragm adopts optical grade PC film, and light transmittance is up to 90%.Silk-screen red (green) look fluorescent ink on diaphragm, makes red (green) look have better gloss, also improves the stability of color simultaneously.Fluorescent ink, through light output, makes light uniformity more.
Operation principle:
1, civil power is by the electric current and voltage required for resistance-capacitance depressurization to driving, and by the circuit after the input of power supply P2 binding post, specific works is as follows:
(1) LED11 and R35, the LED11 lamp bright display civil power that is energized is normal;
(2) by D9, J1, D17, D18, LED01, LED02, LED03, LED04, LED05, LED06, LED07 are energized, LED are lighted (red or green);
(3) by D10, R5, battery is charged;
(4) city's electricity condition is detected by R10, C6, R11, R12, R13, Q3.When civil power has an electricity, Q3 On current is through R10, Q3 to ground, and now Q2 closes, and Q1 closes, and LED lamp holder can not be lit;
2, during mains failure:
(1) through the measuring ability of R10, C6, R11, R12, R13, Q3, Q3 base stage dead electricity is directed at Q3 and closes, remaining electricity on C6 electrochemical capacitor through R8 to ground, make Q2 conducting, thus Q1 is opened, the electric current of battery forms circuit loop through D19, R14, R16, Q4, Q11, LED, and LED lamp holder is lighted;
(2) after D19, another road electric current forms booster circuit through L2, C7, Q15, Q14, R36, R37, then lights luminescence through the rear drive of D13, C9 rectifying and wave-filtering LED1, LED2, LED3, LED4, LED5, LED6.

Claims (8)

1. a LED emergency lighting circuit for lamp, it is characterized in that: comprise a civil power tesing and switching circuit, one battery charger, one LED lamp holder drive circuit, one booster circuit and a step-down rectifying circuit, the electric current and voltage that civil power is depressured to required for driving by step-down rectifier inputs battery charger and civil power tesing and switching circuit by power supply P2 binding post, battery charger is used for charging to battery BAT3, it is connected with LED lamp holder drive circuit, LED lamp holder drive circuit connects LED lamp holder, civil power tesing and switching circuit is for detecting civil power on off operating mode, change battery-powered when civil power disconnects, booster circuit is used for the battery current after to civil power disconnection and carries out boosting rear drive one group of LED luminescence.
2. a kind of LED emergency lighting circuit for lamp according to claim 1, is characterized in that: also comprise a Test Switchboard S2, and its two ends connect positive source and power cathode.
3. a kind of LED emergency lighting circuit for lamp according to claim 1, is characterized in that: be connected with LED11 and R35 with described power supply.
4. a kind of LED emergency lighting circuit for lamp according to claim 1 or 2 or 3, it is characterized in that: described battery charger comprises diode D10, resistance R5 and electric capacity C4, the positive pole of electric capacity C4 connects with battery BAT3 positive pole, access after diode D10 negative pole connects resistance R5 between battery BAT3 and electric capacity C4, battery BAT3 negative pole and electric capacity C4 negative pole power cathode, battery charger passes through positive pole and the positive source of diode D10, civil power tesing and switching circuit, rectification circuit is connected, civil power tesing and switching circuit is connected at the node of battery BAT3 and resistance R5 and electric capacity C4.
5. a kind of LED emergency lighting circuit for lamp according to claim 4, it is characterized in that: described civil power tesing and switching circuit mainly comprises diode D8, D6, D12, D19, resistance R11, R12, R13, R2, R1, R7, R8, R10, PNP type triode Q1, NPN type triode Q2, NPN type triode Q3 and C6, D8 negative pole meets R11, another termination R12 of R11 and C6 positive pole and R10, another termination Q3 collector electrode of R10 and Q2 base stage and D12 negative pole, R8 one end, the R8 other end is with Q2 emitter, Q3 emitter, R13 connects power cathode together, R13 another termination Q3 base stage and R12, Q2 collector electrode meets R7, R7 another termination Q1 base stage and R1, another termination Q1 emitter of R1, the battery BAT3 of battery charger and the node of resistance R5 and electric capacity C4, LED lamp holder, Q1 collector electrode connects R2 and D19 positive pole, another termination D12 positive pole of R2, C6 negative pole connects power cathode, D19 negative pole access LED lamp holder drive circuit.
6. a kind of LED emergency lighting circuit for lamp according to claim 5, it is characterized in that: described LED lamp holder drive circuit comprises R14, NPN type triode Q4, R16 and NPN type triode Q11, D19 negative pole in R14 mono-termination R16 and civil power tesing and switching circuit also accesses boost rectifying circuit, another termination Q11 base stage of R16, Q11 collector electrode connects LED lamp holder, and Q11 emitter connects Q4 emitter and connects power cathode.
7. a kind of LED emergency lighting circuit for lamp according to claim 6, it is characterized in that: described booster circuit is formed primarily of L2, C7, NPN type triode Q14, PNP type triode Q15, R36 and R37, L2 one end connects with rectification circuit, Q14 collector electrode, another termination Q15 emitter of L2 also accesses LED lamp holder drive circuit, and Q15 base stage connects R37, Q14 emitter and resistance R35 and connects power cathode.
8. a kind of LED emergency lighting circuit for lamp according to claim 7, it is characterized in that: described step-down rectifying circuit comprises electric capacity C1, resistance R3, fuse FUSE, diode D1, D2, D3, D4, TVS diode D5, described C1 and after meeting R3 one end connect fuse FUSE, the other end connects civil power L end, and connect D1 positive pole and D3 pole, D1 negative pole, D2 negative pole, D5 negative pole connect positive source, D3, D4, D5 positive pole also connects power cathode, and civil power N end is connected between D2 positive pole and D4 negative pole.
CN201420430486.8U 2014-08-01 2014-08-01 LED emergency lighting circuit for lamp Active CN204272431U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420430486.8U CN204272431U (en) 2014-08-01 2014-08-01 LED emergency lighting circuit for lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420430486.8U CN204272431U (en) 2014-08-01 2014-08-01 LED emergency lighting circuit for lamp

Publications (1)

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CN201420430486.8U Active CN204272431U (en) 2014-08-01 2014-08-01 LED emergency lighting circuit for lamp

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105072766A (en) * 2015-08-21 2015-11-18 厦门英诺尔充源电子有限公司 Multifunctional emergency lamp power supply device and control method thereof
CN107105538A (en) * 2017-04-14 2017-08-29 成都特普瑞斯节能环保科技有限公司 A kind of external mounted based on conventional lighting circuit is met an urgent need module

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105072766A (en) * 2015-08-21 2015-11-18 厦门英诺尔充源电子有限公司 Multifunctional emergency lamp power supply device and control method thereof
CN105072766B (en) * 2015-08-21 2018-06-12 厦门英诺尔充源电子有限公司 Multifunctional emergency light supply unit and its control method
CN107105538A (en) * 2017-04-14 2017-08-29 成都特普瑞斯节能环保科技有限公司 A kind of external mounted based on conventional lighting circuit is met an urgent need module

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