CN107148123A - A kind of emergent lamp control circuit with power supply automatic switching function - Google Patents
A kind of emergent lamp control circuit with power supply automatic switching function Download PDFInfo
- Publication number
- CN107148123A CN107148123A CN201710557968.8A CN201710557968A CN107148123A CN 107148123 A CN107148123 A CN 107148123A CN 201710557968 A CN201710557968 A CN 201710557968A CN 107148123 A CN107148123 A CN 107148123A
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- resistance
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- diode
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- 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 invention discloses a kind of emergent lamp control circuit with power supply automatic switching function, it includes power supply circuit, power supply switch circuit and emergency supply circuit, power supply circuit includes first power supply VCC etc., first diode D1 and the second diode D2 anode are connected with the first power supply VCC, the first battery E positive pole and the first potentiometer RP1 one end are parallel with first diode D1 negative electrode, first battery E negative pole is connected with the 5th resistance R5 one end, and the 5th resistance R5 other end is connected with the first potentiometer RP1 other end.Emergency light of the present invention with power supply automatic switching function controls the circuit reduction circuit structure of emergency light, reduce component number, power supply automatic switching function is additionally arranged for circuit simultaneously, circuit service life is extended, improves the emergency lighting effect of emergency light.
Description
Technical field
It is more particularly to a kind of emergent with power supply automatic switching function the present invention relates to a kind of emergent lamp control circuit
Lamp control circuit.
Background technology
The control circuit of traditional emergency light does not possess power supply automatic switching function, and the emergency light moment is in battery charging state
Or bulb discharge condition, continual working method strong influence has arrived the service life of emergency light within this 24 hours, causes
Traditional emergency light service life is shorter, duration needs repairing the problem of safeguarding.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of emergency light control electricity with power supply automatic switching function
Road, which simplify the circuit structure of emergency light, reduces component number, while being additionally arranged power supply automatic switchover work(for circuit
Can, circuit service life is extended, the emergency lighting effect of emergency light is improved.
The present invention is to solve above-mentioned technical problem by following technical proposals：One kind has power supply automatic switching function
Emergent lamp control circuit, it includes power supply circuit, power supply switch circuit and emergency supply circuit, and power supply circuit includes the first electricity
Source VCC, the first diode D1, the second diode D2, the first potentiometer RP1, the first battery E, the 5th resistance R5, the 6th resistance
R6, the 3rd diode D3, the 8th resistance R8, the first diode D1 and the second diode D2 anode with the first power supply VCC phases
Even, the first battery E positive pole and the first potentiometer RP1 one end, the first electric power storage are parallel with the first diode D1 negative electrode
Pond E negative pole is connected with the 5th resistance R5 one end, the other end phase of the 5th resistance R5 other end and the first potentiometer RP1
Even, one end on the first potentiometer RP1 one end also with the 6th resistance R6 is connected, the 6th resistance R6 other end and the three or two pole
Pipe D3 anode is connected, and the one of the 8th resistance R8 is connected between the 6th resistance R6 other end and the 3rd diode D3 anode
End, the 8th resistance R8 other end is connected with the second diode D2 negative electrode, the power supply switch circuit including the 7th resistance R7,
9th resistance R9, the tenth resistance R10, the first chip IC 1, the 4th diode D4, the 13rd resistance R13, the 11st resistance R11,
12nd resistance R12, the 14th resistance R14, the first triode VT1, the second triode VT2, No. three pins of the first chip IC 1
On be parallel with the 7th resistance R7 one end and the tenth resistance R10 one end, No. two pins of the first chip IC 1 and the 9th resistance R9
One end be connected, the first triode VT1 emitter stage and the 12nd resistance R12 is parallel with No. four pins of the first chip IC 1
One end, the tenth resistance R10 other end is connected with the 4th diode D4 anode, is parallel with the 4th diode D4 negative electrode
One end of a number pin of the first chip IC 1, the 11st resistance R11 one end and the 12nd resistance R12, the 13rd resistance R13
The other end be connected with the first triode VT1 base stage and the first triode VT1 base stage and the 14th resistance R14 one end phase
Even, the 14th resistance R14 other end is connected with the second triode VT2 emitter stage, the second triode VT2 colelctor electrode and the
The 11 resistance R11 other end is connected, and the second triode VT2 base stage is connected with the 12nd resistance R12 other end.
Preferably, the emergency supply circuit include the 3rd triode VT3, the 6th diode D6, the 15th resistance R15,
16th resistance R16, the first electric capacity C1, the first LED light group H, the 7th diode D7, the 3rd triode VT3 emitter stage and
Six diode D6 negative electrode is connected, and the 6th diode D6 anode is connected with the 15th resistance R15 one end, the 15th resistance
The R15 other end is connected with the 16th resistance R16 one end, the 16th resistance R16 other end and the first electric capacity C1 one end
It is connected, the 3rd triode VT3 base stage and the 7th diode D7 negative electrode, the seven or two is parallel with the first electric capacity C1 other end
Pole pipe D7 anode is connected with first LED light group H one end, the first LED light group H other end and the 16th resistance R16 one end
It is connected.
Preferably, the pin of the first potentiometer RP1 is provided with the first connecting terminal K1, the 8th resistance R8 other end
The other end provided with the second connecting terminal K2, the 7th resistance R7 is provided with the 3rd connecting terminal K3, the 9th resistance R9 other ends
The 4th connecting terminal K4 is provided with, the first connecting terminal K1 is connected with the 3rd connecting terminal K3, the second connecting terminal K2 and the 4th
Connecting terminal K4 is connected, and is achieved in that power supply control of the power supply switch circuit to power supply circuit.
Preferably, No. five pins of first chip IC 1 are provided with the 5th connecting terminal K5, the 3rd triode VT3's
Base stage is provided with the 9th connecting terminal K9, and the 5th connecting terminal K5 is connected with the 9th connecting terminal K9；Set on 13rd resistance R13
There is a 6th connecting terminal K6, the 16th resistance R16 one end is provided with the tenth connecting terminal K10, the 6th connecting terminal K6 and the
Ten connecting terminal K10 are connected;First triode VT1 base stage is provided with the 7th connecting terminal K7, and the 15th resistance R15's is another
End is provided with the 11st connecting terminal K11, and the 7th connecting terminal K7 is connected with the 11st connecting terminal K11；Second triode VT2
Base stage be provided with the 8th connecting terminal K8, the 3rd triode VT3 colelctor electrode is provided with the 12nd connecting terminal K12, the 8th
Connecting terminal K8 is connected with the 12nd connecting terminal K12, is achieved in that emergent control of the power supply switch circuit to emergency supply circuit
System.
Preferably, the first power supply VCC is 7.5V direct currents.
Preferably, the model LM324 of first chip IC 1, a pin of the first chip IC 1 is enable pin.
Preferably, No. two pins of first chip IC 1 are cathodal current input, and No. three of the first chip IC 1 are drawn
Pin is positive pole current input terminal.
Preferably, No. four pins of first chip IC 1 are positive signal input, and No. five of the first chip IC 1 are drawn
Pin is negative signal input.
Preferably, the first LED light group H is arranged in a combination by multiple LED lamp tubes.
The positive effect of the present invention is：A kind of emergency light control electricity with power supply automatic switching function of the present invention
Road simplifies the circuit structure of emergency light, reduces component number, while being additionally arranged power supply automatic switching function for circuit, prolongs
Circuit service life has been grown, the emergency lighting effect of emergency light is improved.
Brief description of the drawings
Fig. 1 is a kind of power supply circuit of the emergent lamp control circuit with power supply automatic switching function of the present invention.
Fig. 2 is a kind of power supply switch circuit figure of the emergent lamp control circuit with power supply automatic switching function of the present invention.
Fig. 3 is a kind of emergency supply circuit figure of the emergent lamp control circuit with power supply automatic switching function of the present invention.
Embodiment
Present pre-ferred embodiments are provided below in conjunction with the accompanying drawings, to describe technical scheme in detail.
As shown in Figure 1 to Figure 3, a kind of emergent lamp control circuit with power supply automatic switching function of the present invention, including supply
Circuit, power supply switch circuit and emergency supply circuit, power supply circuit include the first power supply VCC, the first diode D1, the two or two
Pole pipe D2, the first potentiometer RP1, the first battery E, the 5th resistance R5, the 6th resistance R6, the 3rd diode D3, the 8th resistance
R8, the first diode D1 and the second diode D2 anode are connected with the first power supply VCC, on the first diode D1 negative electrode simultaneously
It is associated with the first battery E positive pole and the first potentiometer RP1 one end, the first battery E negative pole and the one of the 5th resistance R5
End is connected, and the 5th resistance R5 other end is connected with the first potentiometer RP1 other end, on the first potentiometer RP1 one end also
It is connected with the 6th resistance R6 one end, the 6th resistance R6 other end is connected with the 3rd diode D3 anode, the 6th resistance R6
The other end and the 3rd diode D3 anode between be connected with the 8th resistance R8 one end, the 8th resistance R8 other end and
Two diode D2 negative electrode is connected, and the power supply switch circuit includes the 7th resistance R7, the 9th resistance R9, the tenth resistance R10, the
One chip IC 1, the 4th diode D4, the 13rd resistance R13, the 11st resistance R11, the 12nd resistance R12, the 14th resistance
The 7th resistance R7 one end is parallel with R14, the first triode VT1, the second triode VT2, No. three pins of the first chip IC 1
With the tenth resistance R10 one end, No. two pins of the first chip IC 1 are connected with the 9th resistance R9 one end, the first chip IC 1
The first triode VT1 emitter stage and the 12nd resistance R12 one end are parallel with No. four pins, the tenth resistance R10's is another
End is connected with the 4th diode D4 anode, be parallel with the 4th diode D4 negative electrode the first chip IC 1 a pin, the
11 resistance R11 one end and the 12nd resistance R12 one end, the 13rd resistance R13 other end and the first triode VT1's
Base stage is connected and the first triode VT1 base stage is connected with the 14th resistance R14 one end, the 14th resistance R14 other end
It is connected with the second triode VT2 emitter stage, the second triode VT2 colelctor electrode is connected with the 11st resistance R11 other end,
Second triode VT2 base stage is connected with the 12nd resistance R12 other end.
The emergency supply circuit includes the 3rd triode VT3, the 6th diode D6, the 15th resistance R15, the 16th electricity
Hinder R16, the first electric capacity C1, the first LED light group H, the 7th diode D7, the 3rd triode VT3 emitter stage and the 6th diode
D6 negative electrode is connected, and the 6th diode D6 anode is connected with the 15th resistance R15 one end, and the 15th resistance R15's is another
End is connected with the 16th resistance R16 one end, and the 16th resistance R16 other end is connected with the first electric capacity C1 one end, and first
The 3rd triode VT3 base stage and the 7th diode D7 negative electrode are parallel with the electric capacity C1 other end, the 7th diode D7's
Anode is connected with first LED light group H one end, and the first LED light group H other end is connected with the 16th resistance R16 one end.
The pin of the first potentiometer RP1 is provided with the first connecting terminal K1, and the 8th resistance R8 other end is provided with
Second connecting terminal K2, the 7th resistance R7 other end is provided with the 3rd connecting terminal K3, and the 9th resistance R9 other ends are provided with
4th connecting terminal K4, the first connecting terminal K1 is connected with the 3rd connecting terminal K3, and the second connecting terminal K2 is connected with the 4th to be touched
Point K4 is connected, and is achieved in that power supply control of the power supply switch circuit to power supply circuit.
No. five pins of first chip IC 1 are provided with the 5th connecting terminal K5, the 3rd triode VT3 base stage and set
There are the 9th connecting terminal K9, the 5th connecting terminal K5 to be connected with the 9th connecting terminal K9；13rd resistance R13 connects provided with the 6th
Contact point K6, the 16th resistance R16 one end are provided with the tenth connecting terminal K10, and the 6th connecting terminal K6 is connected with the tenth to be touched
Point K10 is connected；First triode VT1 base stage is provided with the 7th connecting terminal K7, and the 15th resistance R15 other end is provided with
11st connecting terminal K11, the 7th connecting terminal K7 is connected with the 11st connecting terminal K11；In second triode VT2 base stage
Provided with the 8th connecting terminal K8, the 3rd triode VT3 colelctor electrode is provided with the 12nd connecting terminal K12, the 8th connecting terminal
K8 is connected with the 12nd connecting terminal K12, is achieved in that emergency flight control of the power supply switch circuit to emergency supply circuit.
The first power supply VCC is 7.5V direct currents, and 7.5V is the first LED light group H rated voltage, 7.5V direct current energies
Enough meet the first LED light group H power demands.
The model LM324 of first chip IC 1 a, pin of the first chip IC 1 enables pin to enable pin
Signal input and signal output for controlling the first chip IC 1.
No. two pins of first chip IC 1 are cathodal current input, and No. three pins of the first chip IC 1 are positive pole
Current input terminal, positive pole current input terminal and cathodal current input are used to provide operating current for the first chip IC 1.
No. four pins of first chip IC 1 are positive signal input, and No. five pins of the first chip IC 1 are negative pole
Signal input part, positive signal input and negative signal input are used to provide working signal for the first chip IC 1.
The first LED light group H is arranged in a combination by multiple LED lamp tubes, and multiple LED lamp tubes compare traditional emergency light lamp
Pipe has the advantages that energy-conservation, long lifespan and environmental protection.
A kind of emergent lamp control circuit with power supply automatic switching function of the present invention, including the switching of power supply circuit, power supply
Circuit and emergency supply circuit, in emergency circumstances power supply switch circuit control power supply circuit emergency supply circuit is powered,
LED light group conducting in emergency supply circuit is luminous, and power supply circuit is not powered to emergency supply circuit under normal state, is reduced
Circuit run time under even in everyday situations, extends the service life of circuit.In emergent lamp control circuit, the first diode D1
There are two effects：The 7.5V voltages that it exports the first power supply VCC reduce 0.7V or so, make can only have 6.8V when charging
The voltage of left and right is added in battery two ends, so that the electric current prevented overcharges the generation of electrical phenomena；When main power source is powered off, it is reversely inclined
Put, charging circuit is kept apart with rechargeable battery.Power supply switch circuit is by common ic chip 1 and its peripheral cell group
Into the 6th resistance R6, the second diode D2 and the 3rd diode D3 provide a stable reference voltage 1.4V, adjust RP1, make
When charged battery voltage is less than 5.1V, No. three pin of the first chip IC 1 are anti-phase defeated less than No. two pins with the voltage of phase input end
The reference voltage at people end, ends the second triode VT2, so that the first triode VT1 is also switched off, such LED lamp H is broken
Electricity, it is to avoid rechargeable battery further discharges, now the 3rd triode VT3 but saturation conductions, when the first power supply VCC has electricity, lead to
The reference voltage that the second diode D2 improves No. two pins of the first chip IC 1 is crossed, again such that the first chip IC 1 exports low
Level, the first triode VT1, the second triode VT2 cut-off, the 3rd triode VT3 conductings, therefore the first chip IC 1 exports height
Level, the second triode VT2 conductings, therefore the first triode VT1 are not turned on, so that the first LED light group H does not work, only
In the case of having the first power supply VCC cut-offs, the reference voltage of the first chip IC 1 is zero, and now the first chip IC 1 exports low electricity
Flat, the second triode VT2 cut-offs, the first triode VT1 conductings, the first LED light group H conductings are luminous, reach the purpose of emergency light.
In summary, a kind of emergency light with power supply automatic switching function of the present invention controls circuit reduction emergency light
Circuit structure, reduces component number, while being additionally arranged power supply automatic switching function for circuit, extends circuit and uses the longevity
Life, improves the emergency lighting effect of emergency light.
Particular embodiments described above, technical problem, technical scheme and beneficial effect to the solution of the present invention are carried out
It is further described, should be understood that the specific embodiment that the foregoing is only of the invention, be not limited to
The present invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. should be included in this
Within the protection domain of invention.
Claims (9)
1. a kind of emergent lamp control circuit with power supply automatic switching function, it is characterised in that it includes power supply circuit, power supply
Switching circuit and emergency supply circuit, power supply circuit include the first power supply, the first diode, the second diode, the first potentiometer,
The anode of first battery, the 5th resistance, the 6th resistance, the 3rd diode, the 8th resistance, the first diode and the second diode
It is connected with the first power supply, the positive pole of the first battery and one end of the first potentiometer is parallel with the negative electrode of the first diode,
The negative pole of first battery is connected with one end of the 5th resistance, the other end of the 5th resistance and the other end phase of the first potentiometer
Even, one end on one end of the first potentiometer also with the 6th resistance is connected, the other end of the 6th resistance and the sun of the 3rd diode
Extremely it is connected, one end of the 8th resistance is connected between the other end of the 6th resistance and the anode of the 3rd diode, the 8th resistance
The other end is connected with the negative electrode of the second diode, the power supply switch circuit include the 7th resistance, the 9th resistance, the tenth resistance,
First chip, the 4th diode, the 13rd resistance, the 11st resistance, the 12nd resistance, the 14th resistance, the first triode,
One end of the 7th resistance and one end of the tenth resistance are parallel with two triodes, No. three pins of the first chip, the first chip
No. two pins are connected with one end of the 9th resistance, and the emitter stage and of the first triode is parallel with No. four pins of the first chip
One end of 12 resistance, the other end of the tenth resistance is connected with the anode of the 4th diode, in parallel on the negative electrode of the 4th diode
Have one end of a pin, one end of the 11st resistance and the 12nd resistance of the first chip, the other end of the 13rd resistance with
The base stage of first triode is connected and the base stage of the first triode is connected with one end of the 14th resistance, the 14th resistance it is another
End is connected with the emitter stage of the second triode, and the colelctor electrode of the second triode is connected with the other end of the 11st resistance, and the two or three
The base stage of pole pipe is connected with the other end of the 12nd resistance.
2. there is the emergent lamp control circuit of power supply automatic switching function as claimed in claim 1, it is characterised in that described to answer
Anxious power supply circuit includes the 3rd triode, the 6th diode, the 15th resistance, the 16th resistance, the first electric capacity, the first LED
Group, the 7th diode, the emitter stage of the 3rd triode are connected with the negative electrode of the 6th diode, the anode and the tenth of the 6th diode
One end of five resistance is connected, and the other end of the 15th resistance is connected with one end of the 16th resistance, the other end of the 16th resistance
It is connected with one end of the first electric capacity, the base stage of the 3rd triode and the moon of the 7th diode is parallel with the other end of the first electric capacity
Pole, the anode of the 7th diode is connected with first LED light group one end, and the one of the other end of the first LED light group and the 16th resistance
End is connected.
3. a kind of emergent lamp control circuit with power supply automatic switching function as claimed in claim 2, it is characterised in that institute
The pin for stating the first potentiometer is provided with the first connecting terminal, and the other end of the 8th resistance is provided with the second connecting terminal, the 7th
The other end of resistance is provided with the 3rd connecting terminal, and the 9th resistance other end is provided with the 4th connecting terminal, the first connecting terminal
It is connected with the 3rd connecting terminal, the second connecting terminal is connected with the 4th connecting terminal, is achieved in that power supply switch circuit to power supply
The power supply control of circuit.
4. a kind of emergent lamp control circuit with power supply automatic switching function as claimed in claim 2, it is characterised in that institute
No. five pins for stating the first chip are provided with the 5th connecting terminal, and the base stage of the 3rd triode is provided with the 9th connecting terminal, the
Five connecting terminals are connected with the 9th connecting terminal；13rd resistance is provided with the 6th connecting terminal, one end of the 16th resistance
Provided with the tenth connecting terminal, the 6th connecting terminal is connected with the tenth connecting terminal；The base stage of first triode connects provided with the 7th
Contact point, the other end of the 15th resistance is provided with the 11st connecting terminal, the 7th connecting terminal and the 11st connecting terminal phase
Even；The base stage of second triode is provided with the 8th connecting terminal, and the colelctor electrode of the 3rd triode is provided with the 12nd connecting terminal,
8th connecting terminal is connected with the 12nd connecting terminal, is achieved in that emergent control of the power supply switch circuit to emergency supply circuit
System.
5. a kind of emergent lamp control circuit with power supply automatic switching function as claimed in claim 4, it is characterised in that institute
The first power supply is stated for 7.5V direct currents.
6. a kind of emergent lamp control circuit with power supply automatic switching function as claimed in claim 4, it is characterised in that institute
The model LM324 of the first chip is stated, a pin of the first chip is enable pin.
7. a kind of emergent lamp control circuit with power supply automatic switching function as claimed in claim 4, it is characterised in that institute
No. two pins for stating the first chip are cathodal current input, and No. three pins of the first chip are positive pole current input terminal.
8. a kind of emergent lamp control circuit with power supply automatic switching function as claimed in claim 4, it is characterised in that institute
No. four pins for stating the first chip are positive signal input, and No. five pins of the first chip are negative signal input.
9. a kind of emergent lamp control circuit with power supply automatic switching function as claimed in claim 4, it is characterised in that institute
The first LED light group is stated to be arranged in a combination by multiple LED lamp tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557968.8A CN107148123A (en) | 2017-07-10 | 2017-07-10 | A kind of emergent lamp control circuit with power supply automatic switching function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557968.8A CN107148123A (en) | 2017-07-10 | 2017-07-10 | A kind of emergent lamp control circuit with power supply automatic switching function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107148123A true CN107148123A (en) | 2017-09-08 |
Family
ID=59775957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710557968.8A Pending CN107148123A (en) | 2017-07-10 | 2017-07-10 | A kind of emergent lamp control circuit with power supply automatic switching function |
Country Status (1)
| Country | Link |
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| CN (1) | CN107148123A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118694148A (en) * | 2024-08-29 | 2024-09-24 | 湖南尚智通信科技有限公司 | Positive and negative power supply control circuit of alternating current-direct current conversion module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101056487A (en) * | 2006-04-14 | 2007-10-17 | 上海市文来中学 | A portable emergency lamp |
| CN101801131A (en) * | 2010-02-08 | 2010-08-11 | 海洋王照明科技股份有限公司 | Emergency lamp control circuit and emergency illumination lamp fitting |
| CN104125677A (en) * | 2013-04-27 | 2014-10-29 | 海洋王（东莞）照明科技有限公司 | Emergency illumination circuit |
| CN205040059U (en) * | 2015-08-24 | 2016-02-17 | 柯伟灿 | LED emergency lamp control circuit |
| CN106028567A (en) * | 2016-07-15 | 2016-10-12 | 珠海市声驰电器有限公司 | Emergency lighting circuit and emergency lighting lamp |
-
2017
- 2017-07-10 CN CN201710557968.8A patent/CN107148123A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101056487A (en) * | 2006-04-14 | 2007-10-17 | 上海市文来中学 | A portable emergency lamp |
| CN101801131A (en) * | 2010-02-08 | 2010-08-11 | 海洋王照明科技股份有限公司 | Emergency lamp control circuit and emergency illumination lamp fitting |
| CN104125677A (en) * | 2013-04-27 | 2014-10-29 | 海洋王（东莞）照明科技有限公司 | Emergency illumination circuit |
| CN205040059U (en) * | 2015-08-24 | 2016-02-17 | 柯伟灿 | LED emergency lamp control circuit |
| CN106028567A (en) * | 2016-07-15 | 2016-10-12 | 珠海市声驰电器有限公司 | Emergency lighting circuit and emergency lighting lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118694148A (en) * | 2024-08-29 | 2024-09-24 | 湖南尚智通信科技有限公司 | Positive and negative power supply control circuit of alternating current-direct current conversion module |
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