CN101951711A - Smart led emergency lamp control circuit - Google Patents

Smart led emergency lamp control circuit Download PDF

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CN101951711A
CN101951711A CN 201010272824 CN201010272824A CN101951711A CN 101951711 A CN101951711 A CN 101951711A CN 201010272824 CN201010272824 CN 201010272824 CN 201010272824 A CN201010272824 A CN 201010272824A CN 101951711 A CN101951711 A CN 101951711A
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connected
pin
resistor
led
circuit
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CN 201010272824
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Chinese (zh)
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戚益龙
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戚益龙
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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
    • Y02B20/40Control techniques providing energy savings
    • Y02B20/48Smart controllers

Abstract

The invention discloses an intelligent LED emergency lamp control circuit, which comprises an AC input end, a power conversion module, an LED lamp drive module and a charge and discharge energy storage module. The intelligent LED emergency lamp control circuit further comprises a detection circuit and a signal amplification circuit, wherein the detection circuit is connected between the output end of the power conversion module and the AC input end, and is used for detecting whether an external LED lamp control switch is switched on/off or not; and the signal amplification circuit amplifies detection signals of the detection circuit and transmits start/stop control signals to the drive module according to the on-off condition of the control switch. The intelligent LED emergency lamp control circuit can automatically monitor whether a mains supply supplies power normally or not and monitor the switch state of the control switch. When the mains supply supplies the power normally and the control switch is switched on, illumination and energy storage are performed; when the mains supply stops supplying the power and the control switch is switched on, electric energy stored by an LED is continuously used for illumination; and when the lamp control switch is switched off, the LED stops the illumination. The intelligent LED emergency lamp control circuit has the advantages of simple detection circuit, working stability and reliability, need in the switching-on of only one lamp control switch, and great convenience for users.

Description

智能LED应急灯控制电路 Smart LED emergency lamp control circuit

技术领域 FIELD

[0001] 本发明涉及照明灯具,尤其涉及一种智能LED应急灯控制电路。 [0001] The present invention relates to a lighting fixture, in particular, it relates to an intelligent LED emergency lamp control circuit. 背景技术 Background technique

[0002] LED灯由于其具有节能环保、光效高、寿命长等众多优点,迅速推广到各种运用领域。 [0002] LED lamp because of its high energy saving, light efficiency, long life and many other advantages, the use of quickly extended to various fields. 但应急照明领域尚缺乏一种能自动监测市电供电正常与否、灯具控制开关导通状态,根据开关状态控制LED灯亮灭的LED应急灯控制电路。 However, the art still lacks a emergency lighting to automatically monitor the electricity supply is normal or not, controls the lamp switch to be turned, to control the LED blinking an LED emergency lights switching state control circuit.

发明内容 SUMMARY

[0003] 本发明是要解决现有技术的上述问题,提出一种能自动监测市电供电正常与否、 灯具控制开关开关状态的,同时兼有检测线路简单,工作稳定可靠的LED应急灯控制电路。 [0003] The present invention is to solve the aforementioned problems of the prior art, to automatically provide a monitoring mains supply is normal or not, controls switching of the switching state of the lamp, with both the detection circuit is simple, stable and reliable control of the LED emergency lights circuit.

[0004] 为解决上述技术问题,本发明提出的技术方案是设计一种智能LED应急灯控制电路,包括连接市电的交流输入端,将市电转换为直流电的电源转换模块,接电源转换模块输出端的驱动LED灯的驱动模块,接电源转换模块输出端的充放电蓄能模块,其特征在于还包括:接在电源转换模块输出端与交流输入端之间,用以检测外接的LED灯控制开关通断与否的检测电路;对检测电路的检测信号进行放大,根据控制开关通断情况向驱动模块发出启/停控制信号的信号放大电路。 [0004] To solve the above problems, the present invention is to design an intelligent aspect LED emergency lamp control circuit comprising an input terminal connected to the AC mains, the mains is converted to DC power conversion module, then the power converter module the driving output of the LED lamp driver module, connected to the output of the power converter module of the charge-discharge energy storage module, characterized by further comprising: a power conversion module coupled between an output terminal of the AC input terminal for detecting external LED lamp control switch off detecting circuit or not; the detection signal detection circuit amplifies signals amplifying circuit on / off control signal to the drive module in accordance with the control switch off situation.

[0005] 所述交流输入端包括火线端和零线端;所述电源转换模块输出端包括正极和地; 所述检测电路包括光电耦合器,光电耦合器中的发光二极管的阳极管脚接所述正极,发光二极管的阴极管脚接第一二极管的阳极,第一二极管的阴极通过第一电阻接零线端,火线端与地之间接有第二电阻,光电耦合器的电源管脚接所述正极,光电耦合器的信号输出管脚与地之间并接第三电阻和第二电容,光电耦合器的信号输出管脚输出所述检测信号。 [0005] The AC input terminal comprises a hot terminal and neutral terminal; said power converter module comprising a positive output terminal and a ground; said detection circuit comprises a photocoupler, the anode pin light emitting diode of the photocoupler being connected said positive electrode, a cathode of the light emitting diode connected to the first pin anode of the diode, the cathode of the first diode through a first resistor connected to the neutral terminal, a second resistor indirectly, photocoupler hot terminal and the ground power supply the positive electrode pin contact, and then outputs the detection signal a signal output pin of the third resistor and a second capacitor, a photocoupler between a signal output pin and the ground photocoupler.

[0006] 所述信号放大电路包括第一、第二三极管和运算放大器,以及串接在所述正极与地之间的第五电阻和第六电阻;第一三极管的基极接所述检测信号,第一三极管的集电极通过第四电阻接所述正极,第一三极管的发射极接地,第一三极管的集电极接运算放大器的同相输入端,运算放大器的反相输入端接第五电阻和第六电阻的连接点,运算放大器的输出端通过第七电阻接第二三极管的基极,第二三极管的发射极接地,第二三极管的集电极通过第八电阻向所述驱动模块发出启/停控制信号。 [0006] The signal amplification circuit includes a first, a second transistor and an operational amplifier, and connected in series between the positive electrode and the fifth resistor and the sixth resistor; a first transistor base connected the detection signal, a collector connected to the positive electrode of the first transistor through a fourth resistor, a first transistor emitter connected to ground, with the collector of the first transistor is connected to the inverting input terminal of the operational amplifier, the operational amplifier an inverting input connected to the point of termination of the fifth resistor and the sixth resistor, the output terminal of the operational amplifier is connected to the second transistor base electrode by a seventh resistor, the emitter of the second transistor is grounded, the second three-pole the collector tube issued on / off control signal to the drive module through an eighth resistor.

[0007] 所述驱动模块包括型号为PT4115的驱动芯片,驱动芯片的DIM管脚接所述启/停控制信号,驱动芯片的GND管脚接地,驱动芯片的SW管脚接续流二极管的阳极,续流二极管的阴极接所述正极,驱动芯片的SW管脚通过续流电感接LED灯组的一端,驱动芯片的CSN 管脚接LED灯组的另一端,驱动芯片的CSN管脚通过第九电阻接正极,驱动芯片的CSN管脚与地之间接第五电容,驱动芯片的VIN管脚接正极,驱动芯片的VIN管脚与地之间接第四电容。 [0007] The drive module comprises a model PT4115 driver chip, the driver chip connected to the DIM pin on / off control signal, GND grounding pin driving chips, the driving chip SW pin diode anode flow connection, One end of the freewheeling diode cathode connected to the positive electrode, the SW pin driver chip inductor connected through the freewheeling LED lamp set, and the other end connected to the driving chip pins CSN LED lamp set, the drive pin through ninth chip CSN resistor then positive, indirect fifth capacitor driver chip, the driver chip VIN pin and ground pin CSN positive, indirect VIN pin of the fourth capacitor and the ground driving chip.

[0008] 与现有技术相比,本发明能自动监测市电供电正常与否以及灯具控制开关开关状态。 [0008] Compared with the prior art, the present invention can automatically monitor the electricity supply is normal or not, and lamp control switch switching state. 当市电供电正常控制开关开打开的状态下,进行照明和蓄能;当市电停止供电而控制开关开打开的状态下,LED用所蓄的电能继续照明;当灯具控制开关开断开时,LED停止照明。 When the normal electricity supply state of opening the control switch is opened, the illumination and an accumulator; when the mains power supply is stopped while the switch is opened under the control of an open state, LED with the continuing energy storage lighting; open the control switch when the lamp OFF , LED illumination is stopped. 本发明具有检测线路简单,工作稳定可靠,只需要一个灯具控制开关开的优点,极大地方便了用户。 The present invention includes a detection circuit is simple, reliable, only one advantage of the lamp control switches open, greatly facilitate the users.

附图说明 BRIEF DESCRIPTION

[0009] 下面结合附图和实施例对本发明作出详细的说明,其中: The drawings and described in detail to embodiments of the present invention [0009] The following binding, wherein:

[0010] 图1为本发明较佳实施例的原理框图; [0010] Fig 1 a schematic block diagram of the preferred embodiment of the present invention;

[0011] 图2为本发明较佳实施例的电路图。 [0011] FIG 2 is a circuit diagram of the preferred embodiment of the invention.

具体实施方式 detailed description

[0012] 在使用时,LED应急灯需要外加一控制开关(电源开关),以控制LED灯的亮灭。 [0012] In use, an LED emergency lamp requires additional control switch (power switch) to control LED lamp blinking. 本发明公开的智能LED应急灯控制电路能监测控制开关的通断状态,根据控制开关的通断状态控制LED灯的亮灭。 The present invention discloses a smart bright LED emergency lights on-off control circuit can monitor the state of the control switch, controls an LED lamp in accordance with the control on and off states of the switches off. 当控制开关接通时,市电点亮LED灯,并向充放电蓄能模块充电; 当控制开关接通而市电停电时,控制电路监测到控制开关是闭合的,令充放电蓄能模块放电点亮LED灯;当控制开关断开时,控制电路监测到控制开关是断开的,无论有无市电,都不点亮LED灯。 When the control switch is turned on, the LED lighting mains, the charging and the charge-discharge energy storage module; when the control switch is turned on while the power cut, the control circuit monitors the control switch is closed, so that the charge-discharge energy storage module discharge light LED lamp; when the control switch is turned off, the control circuit monitors the control switch is off, regardless of whether the mains, the LED lamp is not illuminated.

[0013] 参看图1示出的原理框图,本发明包括连接市电的交流输入端,将市电转换为直流电的电源转换模块,接电源转换模块输出端的驱动LED灯的驱动模块,接电源转换模块输出端的充放电蓄能模块,其还包括:接在电源转换模块输出端与交流输入端之间,用以检测外接的LED灯控制开关通断与否的检测电路;对检测电路的检测信号进行放大,根据控制开关通断情况向驱动模块发出启/停控制信号的信号放大电路。 Block diagram shown in [0013] Referring to Figure 1, the present invention includes an AC input terminal connected to the mains, the mains is converted to DC power conversion module, then the power converter module output terminal of the driving LED lamp driver module, connected to the power converter the output of the module charge-discharge energy storage module, further comprising: a power conversion module coupled between an output terminal of the AC input terminal for detecting external control switches off the LED or absence detecting circuit; detection signal detection circuit amplifies signals on / off control signal to the driving amplifier circuit according to a control module switches off the situation.

[0014] 参看图2示出的较佳实施例的电路图,所述交流输入端包括火线端L和零线端N ; 所述电源转换模块输出端包括正极和地;所述检测电路包括光电耦合器Ul,光电耦合器中的发光二极管的阳极管脚接所述正极,发光二极管的阴极管脚接第一二极管Dl的阳极,第一二极管的阴极通过第一电阻Rl接零线端,火线端与地之间接有第二电阻R2,光电耦合器的电源管脚接所述正极,光电耦合器的信号输出管脚与地之间并接第三电阻R3和第二电容C2,光电耦合器的信号输出管脚输出所述检测信号。 [0014] Referring to a circuit diagram of the preferred embodiment shown in FIG. 2, the AC input terminal L comprises a hot terminal and neutral terminal N; said power converter module comprising a positive output terminal and a ground; said detection circuit comprises a photocoupler Ul devices, the anode pin of the photocoupler connected to the positive electrode of the light emitting diode, light emitting diode connected to the cathode of pin diode Dl anode of the first, the cathode of the first diode is connected via a first resistor Rl zero line end, indirectly hot terminal and ground a second resistor R2, a power supply pin connected to the photocoupler of the positive electrode, and then a third resistor R3 and a capacitor C2 between the second signal output pin and the ground photocoupler, output pin of the output detection signal of the photocoupler. 当控制开关接通时,正极上的电荷经光电耦合器中的发光二极管、经D1、R1、火线端L、控制开关、零线端N、R2,流到地,形成一个闭合回路,发光二极管发光,光电耦合器中的信号输出管脚输出高电平。 When the control switch is turned on, the charge on the positive electrode via the light emitting diode in the optocoupler, via D1, R1, hot terminal L, the control switch, the zero line end N, R2, to the ground, forming a closed circuit, a light emitting diode emission, the signal output pin of the output of the photocoupler high. 当控制开关断开时,电路形不成闭合回路,发光二极管不光,光电耦合器中的信号输出管脚输出低电平。 When the control switch is off, do not form a closed loop circuit, not only the light emitting diode, a low level output signal output pin of the photocoupler. 从图2中可以看出,所述信号放大电路包括第一、第二三极管Q1、Q2和运算放大器U2,以及串接在所述正极与地之间的第五电阻R5和第六电阻R6 ;第一三极管Ql的基极接所述检测信号,第一三极管的集电极通过第四电阻R4接所述正极,第一三极管的发射极接地,第一三极管的集电极接运算放大器的同相输入端,运算放大器的反相输入端接第五电阻和第六电阻的连接点,运算放大器的输出端通过第七电阻R7接第二三极管Q2的基极,第二三极管的发射极接地,第二三极管的集电极通过第八电阻R8向所述驱动模块发出启/停控制信号。 As can be seen from Figure 2, the signal amplifying circuit comprises a first, a second transistor Q1, Q2, and an operational amplifier U2, and connected in series between the positive electrode and the fifth resistor R5 and the sixth resistor R6; first transistor Ql is connected to the base electrode of the detection signal, the collector of the first transistor is connected to the positive electrode through a fourth resistor R4, the emitter of the first transistor is grounded, the first transistor a collector connected to the noninverting input of the operational amplifier, the inverting input terminal of the connection point of the operational amplifier and the sixth resistor to the fifth resistor, the output of the operational amplifier is connected to the second transistor Q2 through the base of the seventh resistor R7 a second transistor emitter grounded, the collector of the second transistor emit on / off control signal to the drive module through the eighth resistor R8. 图2中示出的运算放大器例举了LM358芯片,不言而喻也可以采用其它运算放大器芯片,不应以LM358为限定芯片。 FIG 2 shows a LM358 operational amplifier chip is exemplified, it goes without saying that other may be an operational amplifier chip, LM358 should not be defined as a chip. 当控制开关接通时,光电耦合器中的信号输出管脚输出高电平,第一三极管Ql导通,其集电极为低电平,运算放大器的输出端低电平,第二三极管Q2截止,其集电极为高电平,驱动模块利用市电电能或充放电蓄能模块中的电能点亮LED灯组。 When the control switch is turned on, it outputs a high level signal output pin of the optocoupler, the first transistor Ql is turned on, its collector is low the output of a low level, the operational amplifier, the second three- diode Q2 is turned off, its collector is high, the use of mains power drive module or the charge-discharge energy storage module lighting power LED lamp set. 当控制开关接通时,光电耦合器中的信号输出管脚输出低电平,第一三极管Ql截止,其集电极为高电平,运算放大器的输出端高电平,第二三极管Q2导通,其集电极为低电平,驱动模块停止驱动,LED灯熄灭。 When the control switch is turned on, outputs a low level signal output pin optocoupler, the first transistor Ql is turned off, its collector high level is high, the output of the operational amplifier, the second three-pole Q2 is turned on, its collector is low, the drive stops driving module, LED lights off.

[0015] 从图2中还可以看出,较佳实施例中驱动模块包括型号为PT4115的驱动芯片U3, 驱动芯片的DIM管脚接所述启/停控制信号,驱动芯片的GND管脚接地,驱动芯片的SW管脚接续流二极管D2的阳极,续流二极管的阴极接所述正极,驱动芯片的SW管脚通过续流电感Ll接LED灯组的一端,驱动芯片的CSN管脚接LED灯组的另一端,驱动芯片的CSN管脚通过第九电阻R9接正极,驱动芯片的CSN管脚与地之间接第五电容C5,驱动芯片的VIN管脚接正极,驱动芯片的VIN管脚与地之间接第四电容C4。 [0015] can also be seen from Figure 2, on / off control signal, GND grounding pin driving chip embodiment of the drive module comprises a model PT4115 U3 driver chip, the driver chip connected to the DIM pin preferred embodiment Kai , SW driver chip connection pin diode D2, the anode, one end of the freewheeling diode cathode connected to the positive electrode, the SW pin driver chip inductor Ll connected through the freewheeling LED lamp set, the drive pin connected LED chips CSN the other end of the group of lamps, CSN pin driver chip connected through ninth resistor R9 positive, indirect CSN fifth capacitor C5 and the ground pins of the driver chip, the driver chip connected to the positive electrode pin VIN, VIN pin driver chip indirect fourth capacitor C4 and the ground. 这里以PT4115为例说明驱动模块,不言而喻LED驱动芯片也可以采用其它LED驱动芯片,不应以PT4115为限定。 In an example here PT4115 drive module, the LED driver chip may also be understood that other LED driver chips, should not PT4115 as limiting.

[0016] 以上实施例仅为举例说明,非起限制作用。 [0016] The above is merely illustrative embodiment, the non-limiting. 任何未脱离本发明精神与范畴,而对其进行的等效修改或变更,均应包含于本申请的权利要求范围之中。 Within the scope of any claim without departing from the spirit and scope of the invention, and its equivalent modifications or variations could be made in the present application.

Claims (4)

  1. 一种智能LED应急灯控制电路,包括连接市电的交流输入端,将市电转换为直流电的电源转换模块,接电源转换模块输出端的驱动LED灯的驱动模块,接电源转换模块输出端的充放电蓄能模块,其特征在于还包括:接在电源转换模块输出端与交流输入端之间,用以检测外接的LED灯控制开关通断与否的检测电路;对检测电路的检测信号进行放大,根据控制开关通断情况向驱动模块发出启/停控制信号的信号放大电路。 An intelligent LED emergency lamp control circuit comprising AC input terminals connected to the mains, the mains is converted to DC power conversion module, then the power converter module output terminal of the driving LED lamp drive module, then the power converter module output of charge and discharge energy storage module, characterized by further comprising: a power conversion module coupled between an output terminal of the AC input terminal for detecting external control switches off the LED or absence detecting circuit; detection signal detection circuit is amplified, signaled start / stop control signal controlling the switch-off according to the driving situation module amplifier.
  2. 2.如权利要求1所述的智能LED应急灯控制电路,其特征在于:所述交流输入端包括火线端(L)和零线端(N);所述电源转换模块输出端包括正极和地;所述检测电路包括光电耦合器(Ul),光电耦合器中的发光二极管的阳极管脚接所述正极,发光二极管的阴极管脚接第一二极管(Dl)的阳极,第一二极管的阴极通过第一电阻(Rl)接零线端,火线端与地之间接有第二电阻(R2),光电耦合器的电源管脚接所述正极,光电耦合器的信号输出管脚与地之间并接第三电阻(R3)和第二电容(C2),光电耦合器的信号输出管脚输出所述检测信号。 2. The smart LED emergency lights of the control circuit of claim 1, wherein: said AC input terminal comprises a hot terminal (L) and a neutral terminal (N); the power converter module comprises a positive output terminal and a ground ; said detection circuit comprises a photocoupler (Ul), the pin anode of the light emitting diode of the photocoupler connected to the positive electrode, the light emitting diode cathode connected to the first pin diode (Dl) of the anode, the first two diode cathode connected to the earth line via a first resistor (Rl), indirectly hot terminal and ground a second resistor (R2), the power supply pin connected to the photocoupler positive electrode, a signal output pin photocoupler output pin outputs the detection signal and connected between ground and a third resistor (R3) and a second capacitor (C2), the optocoupler.
  3. 3.如权利要求2所述的智能LED应急灯控制电路,其特征在于:所述信号放大电路包括第一、第二三极管(Ql、Q2)和运算放大器(U2),以及串接在所述正极与地之间的第五电阻(R5)和第六电阻(R6);第一三极管(Ql)的基极接所述检测信号,第一三极管的集电极通过第四电阻(R4)接所述正极,第一三极管的发射极接地,第一三极管的集电极接运算放大器的同相输入端,运算放大器的反相输入端接第五电阻和第六电阻的连接点,运算放大器的输出端通过第七电阻(R7)接第二三极管(Q2)的基极,第二三极管的发射极接地,第二三极管的集电极通过第八电阻(R8)向所述驱动模块发出启/停控制信号。 3. Smart LED emergency lights of the control circuit of claim 2, wherein: said signal amplification circuit comprises a first, a second transistor (Ql, Q2) and an operational amplifier (U2), connected in series and the fifth resistor (R5) between ground and the positive electrode and the sixth resistor (R6); a first transistor (Ql,) connected to the base of said detection signal, a first collector of the fourth transistor resistor (R4) connected to the positive electrode, the emitter of the first transistor to ground, inverting input connected to the collector of the first transistor of the operational amplifier, the inverting input terminal of the operational amplifier of the fifth resistor and the sixth resistor the collector connection point, the output terminal of the operational amplifier connected to a second transistor (Q2) via a seventh resistor group (R7) electrode, a second emitter-grounded transistor, the second transistor through the eighth a resistor (R8) issued on / off control signal to the drive module.
  4. 4.如权利要求3所述的智能LED应急灯控制电路,其特征在于:所述驱动模块包括型号为PT4115的驱动芯片(U3),驱动芯片的DIM管脚接所述启/停控制信号,驱动芯片的GND 管脚接地,驱动芯片的SW管脚接续流二极管(D2)的阳极,续流二极管的阴极接所述正极, 驱动芯片的SW管脚通过续流电感(Li)接LED灯组的一端,驱动芯片的CSN管脚接LED灯组的另一端,驱动芯片的CSN管脚通过第九电阻(R9)接正极,驱动芯片的CSN管脚与地之间接第五电容(C5),驱动芯片的VIN管脚接正极,驱动芯片的VI N管脚与地之间接第四电容(C4)。 4. Smart LED emergency lamp according to claim 3, wherein the control circuit, wherein: said driving module comprises a model PT4115 driver chip (U3), connected to the driving chip to the DIM pin on / off control signal, driving chip ground pin GND, SW pin driver chip stream splicing anode of the diode (D2), the cathode of the freewheeling diode connected to the positive electrode, SW driver chip contact pins LED lamp set through the freewheeling inductor (Li) one end of the driving chip and the other end connected to pins CSN LED lamp set, the pin driver chip CSN via a ninth resistor connected to the positive electrode (R9), a fifth capacitor indirectly CSN pin driver chip and the ground (C5), driver chip VIN pin then positive, indirect VI N fourth capacitor and the ground pin driver chip (C4).
CN 201010272824 2010-09-03 2010-09-03 Smart led emergency lamp control circuit CN101951711A (en)

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CN102781149A (en) * 2011-05-09 2012-11-14 海洋王照明科技股份有限公司 Emergency lighting circuit and emergency electronic ballast
CN103037560A (en) * 2011-09-30 2013-04-10 海洋王照明科技股份有限公司 Automatic dimming emergency lamp
CN105554957A (en) * 2016-01-29 2016-05-04 深圳市诚丰浩电子有限公司 LED lighting emergency integrated lamp and control system
WO2016077961A1 (en) * 2014-11-17 2016-05-26 深圳市聚作照明股份有限公司 Power supply sine wave sampling circuit and led emergency light
CN105828475A (en) * 2016-03-30 2016-08-03 深圳市英朗光电有限公司 LED emergency illumination lamp power supply and LED emergency illumination lamp

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JPH10124771A (en) * 1996-10-23 1998-05-15 Nitsuko Corp Emergency reporting device
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CN201153341Y (en) * 2007-10-19 2008-11-19 叶 飞;苏 山 Control circuit for double-wire emergent lamp
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Publication number Priority date Publication date Assignee Title
CN102781149A (en) * 2011-05-09 2012-11-14 海洋王照明科技股份有限公司 Emergency lighting circuit and emergency electronic ballast
CN103037560A (en) * 2011-09-30 2013-04-10 海洋王照明科技股份有限公司 Automatic dimming emergency lamp
CN103037560B (en) * 2011-09-30 2015-04-15 海洋王照明科技股份有限公司 Automatic dimming emergency lamp
WO2016077961A1 (en) * 2014-11-17 2016-05-26 深圳市聚作照明股份有限公司 Power supply sine wave sampling circuit and led emergency light
CN105554957A (en) * 2016-01-29 2016-05-04 深圳市诚丰浩电子有限公司 LED lighting emergency integrated lamp and control system
CN105554957B (en) * 2016-01-29 2018-01-09 深圳市诚丰浩电子有限公司 Emergency lights and integrally Led lighting control system
CN105828475A (en) * 2016-03-30 2016-08-03 深圳市英朗光电有限公司 LED emergency illumination lamp power supply and LED emergency illumination lamp
CN105828475B (en) * 2016-03-30 2018-08-31 深圳市英朗光电有限公司 Led led emergency lighting and emergency lighting power

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