CN106028567A - Emergency lighting circuit and emergency lighting lamp - Google Patents

Emergency lighting circuit and emergency lighting lamp Download PDF

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Publication number
CN106028567A
CN106028567A CN201610565837.XA CN201610565837A CN106028567A CN 106028567 A CN106028567 A CN 106028567A CN 201610565837 A CN201610565837 A CN 201610565837A CN 106028567 A CN106028567 A CN 106028567A
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China
Prior art keywords
resistance
module
emergency
circuit
emergency lighting
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Granted
Application number
CN201610565837.XA
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Chinese (zh)
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CN106028567B (en
Inventor
郭文标
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Sounds Electric Co Ltd (zhuhai)
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Sounds Electric Co Ltd (zhuhai)
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Priority to CN201610565837.XA priority Critical patent/CN106028567B/en
Publication of CN106028567A publication Critical patent/CN106028567A/en
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Publication of CN106028567B publication Critical patent/CN106028567B/en
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • H05B45/37Converter circuits
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

An emergency lighting circuit and an emergency lighting lamp are disclosed. The emergency lighting circuit comprises a pretreatment module and a plurality of emergency lamps. The input end of the pretreatment module is connected with a mains supply, and the pretreatment module is used for rectifying, filtering and voltage-reducing the mains supply and outputting a constant current signal to the emergency lamps. The emergency lighting circuit further comprises a battery, a booster constant current module, and a conversion module connected with the output end of the pretreatment module. The battery, the conversion module, the booster constant current module and the emergency lamps are connected in sequence to constitute a power supply circuit. The battery, the conversion module and the emergency lamps are connected in sequence to constitute a charging circuit. When the mains supply is supplying power, a switching module makes the charging circuit switched on and the power supply circuit switched off; and when the mains supply is powered off, the switching module makes the charging circuit switched off and the power supply circuit switched on. According to the application, the power supply module is automatically switched between an on state and an off state to ensure power supply to the emergency lamps, the control mode is more convenient, and the emergency lighting lamp is more energy-saving and more environment-friendly.

Description

A kind of emergency lighting circuit and emergency light
Technical field
The application relates to field of illuminating lamps, especially a kind of emergency lighting circuit and emergency light.
Background technology
Emergency light is when normal illumination power failure, can effectively illuminate and show fire escape, maybe can persistently illuminate and a class light fixture of non-stop run.It is widely used in the public places such as cinema, market, hotel, to provide continuous illumination for the possible period of want or need.
The emergency light that prior art uses is based on self-powered, and city is electrically accessed in illuminalive power-supply loop, charges emergency light battery at ordinary times, when civil power cuts off, and stand-by power supply automatic power.Being respective independence due to this kind of down circuitry automatic power, poor controllability, and lighting circuit with emergency circuit, structure is complicated, takes up room also big, the most not environmentally, the most unsightly.Another kind is centrally connected power source centralized Control type, without independent current source in emergency luminaire, during normal illumination power failure, central power supply system powers.Although the general lighting of this kind of emergency system is all same light source with emergency lighting, but power consumption is big, needs transformation powering for it, and needs control room to open emergency flight control switch after power-off, and required components and parts are many, control extremely inconvenience.Other kinds emergency set there is also similar defect.
Summary of the invention
The application provides a kind of emergency lighting circuit and emergency light, and it is the most convenient to control, and circuit is the simplest, and power consumption is little.
First aspect according to the application, the application provides a kind of emergency lighting circuit, including pretreatment module and some emergency lights, the input termination civil power of pretreatment module, and pretreatment module is for carrying out rectification, filtering and blood pressure lowering output constant current signal to emergency light to civil power;Also include battery, voltage increase and current constant module and the modular converter being connected with pretreatment module outfan;Battery, modular converter, voltage increase and current constant module and emergency light are sequentially connected composition current supply circuit;Battery, modular converter, emergency light are sequentially connected composition charge circuit;Handover module, when mains-supplied, controls charge circuit conducting and current supply circuit disconnects;Handover module, when civil power power-off, controls charge circuit and disconnects and current supply circuit conducting.
Preferably, handover module includes exporting branch road, enabling outfan and switch module;Output branch road accesses charge circuit, and output branch road turns on when mains-supplied and disconnects when civil power power-off;Switch module has Enable Pin and two incoming ends, and two incoming ends concatenate into current supply circuit, and Enable Pin is connected with enabling outfan, and switch module controls to be turned on or off between two incoming ends according to the signal enabling outfan output.
Preferably, handover module also includes metal-oxide-semiconductor, the first audion, the second audion, the first diode, the second diode, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance and the 7th resistance;The outfan of pretreatment module includes positive output end and negative output terminal;Positive output end, the first resistance, the first diode, the second resistance and negative output terminal are sequentially connected;The drain of metal-oxide-semiconductor and source class access charge circuit;The grid of metal-oxide-semiconductor connects one end of the 3rd resistance, another of 3rd resistance terminates the colelctor electrode of the first audion, the emitter stage of the first audion connects negative input end, and the base stage of the first audion is connected between the second resistance and the first diode, and the two ends of the 4th resistance connect grid and the drain of metal-oxide-semiconductor respectively;The one of 5th resistance terminates metal-oxide-semiconductor source electrode, and another terminates the positive pole of the second diode, and the negative pole of the second diode is connected between the first resistance and the first diode;The source electrode of one termination metal-oxide-semiconductor of the 6th resistance, another terminates the emitter stage of the second audion, the colelctor electrode of the second audion connects one end of the 7th resistance, and another termination negative input end of the 7th resistance, the base stage of the second audion is connected between the 5th resistance and the second diode;Enable outfan to be connected between the second audion and the 7th resistance.
Preferably, the part in all emergency lights accesses charge circuit.
Preferably, also accessing and have battery protecting circuit in charge circuit, battery protecting circuit, for when battery is fully charged, cuts off charge circuit.
Preferably, switch module is switching boost type DC-DC conversion chip.
Preferably, pretreatment module includes that bridge rectifier, filter capacitor, commutation diode, voltage-dropping type quasi-resonance LED drive derailing switch and transformator.
Preferably, emergency light is LED.
According to the second aspect of the application, the application provides a kind of emergency light, including above-mentioned emergency lighting circuit, also includes illuminating lamp.
Preferably, illuminating lamp is this emergency light.
Compared to prior art, emergency lighting circuit based on the application or emergency light, battery, modular converter, voltage increase and current constant module and emergency light are sequentially connected composition current supply circuit, power for emergency light;Battery, modular converter, emergency light are sequentially connected composition charge circuit, charge for battery, it is ensured that battery power.Handover module, when mains-supplied, controls charge circuit conducting and current supply circuit disconnects;Handover module, when civil power power-off, controls charge circuit and disconnects and current supply circuit conducting, and battery is that emergency light is powered.Therefore, the conducting of automatic switchover current supply circuit and disconnection, control mode is the most convenient.
And when mains-supplied, control current supply circuit and disconnect, thus when mains-supplied, battery does not repeat power supply to emergency light, has saved battery power.
It addition, above-mentioned emergency light also serves as illuminating lamp, circuit structure is simple, reduces taking of space simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the emergency lighting circuit of a kind of embodiment of the application.
Fig. 2 is the circuit diagram of the pretreatment module of a kind of embodiment of the application.
Fig. 3 is the circuit diagram of the modular converter of a kind of embodiment of the application.
Fig. 4 is the circuit diagram of the emergency light of a kind of embodiment of the application.
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention the present invention is described in further detail.
A kind of emergency lighting circuit, as shown in Figure 1, it includes pretreatment module 1 and some emergency lights 2, the input termination civil power of pretreatment module 1, and pretreatment module 1 for carrying out rectification, filtering and blood pressure lowering and exporting the constant current signal needed for emergency light 2 to emergency light 2 to civil power.It also includes battery 3, voltage increase and current constant module 5 and the modular converter 4 being connected with pretreatment module 1 outfan, and wherein, battery 3 can select accumulator or other chargeable energy-storage battery.Battery 3, modular converter 4, voltage increase and current constant module 5 and emergency light are sequentially connected composition current supply circuit;Battery 3, modular converter 4, emergency light 2 are sequentially connected composition charge circuit.Handover module 4, when mains-supplied, controls charge circuit conducting and current supply circuit disconnects, and now emergency light 2 is powered by civil power, and battery 3 is charged by charge circuit, and current supply circuit disconnects, and battery 3 is not powered to emergency light 2.Handover module 4, when civil power power-off, controls charge circuit and disconnects and current supply circuit conducting, and now, civil power is no longer powered to emergency light 2, and battery 3 is powered to emergency light 2 by current supply circuit, thus ensures that emergency light 2 still lights when civil power power-off.
In one embodiment, as in figure 2 it is shown, pretreatment module 1 includes that bridge rectifier 12, filter capacitor 14, commutation diode 13, voltage-dropping type quasi-resonance LED drive derailing switch 15 and transformator 16.In Fig. 2, ACL and ACN is civil power.It is additionally provided with control switch 11 between ACL and bridge rectifier 12, controls switch 11 and can cut off the power supply of civil power, but it should be recognized that this cut-out is artificial formula, rather than hereafter described civil power power-off, during civil power power-off, ACL and ACN end is no longer powered.
Wherein, bridge rectifier 12 carries out bridge rectifier to civil power, and filter capacitor 14 is filtered, and commutation diode 13 carries out rectification, drive derailing switch 15 to carry out blood pressure lowering, constant current with transformator 16 by voltage-dropping type quasi-resonance LED again, thus export the direct current signal needed for emergency light 2.In figure, transformator 16 has two outfans, a positive output end and a negative output terminal, is connected on the two ends of emergency light 2 respectively.
It will be understood by those skilled in the art that, the structure of the pretreatment module that the present embodiment is illustrated is only a kind of example, the not restriction to pretreatment module, the circuit of constant current signal needed for every realization carries out rectification, filtering and blood pressure lowering and exports emergency light civil power all should fall into the category of the present embodiment.
In one embodiment, handover module 4 includes exporting branch road, enabling outfan and switch module.Output branch road accesses charge circuit, and output branch road turns on when mains-supplied, so that charge circuit conducting.And when civil power power-off, i.e. ACL and ACN does not disconnects when power supply, so that charge circuit disconnects.Switch module has Enable Pin and two incoming ends, two incoming ends concatenate into current supply circuit, Enable Pin is connected with enabling outfan, and switch module controls to be turned on or off, so that current supply circuit is turned on or off between two incoming ends according to the signal enabling outfan output.Wherein, switch module can be selected for the devices such as switching boost type DC-DC conversion chip or relay.
Further, as it is shown on figure 3, handover module 4 also includes metal-oxide-semiconductor the 405, first audion the 407, second audion the 412, first diode the 403, second diode the 410, first resistance the 402, second resistance the 404, the 3rd resistance the 406, the 4th resistance the 408, the 5th resistance the 409, the 6th resistance 411 and the 7th resistance 413;The outfan of pretreatment module 1 includes positive output end and negative output terminal, positive output end output forward dc electricity, figure also has between positive output end and the first resistance 402 analog switch 401, this analog switch 401 is only power supply and the power-off of example civil power, during mains-supplied, it is similar to analog switch 401 connect, during civil power power-off, is similar to analog switch 401 and disconnects.
Positive output end, first resistance the 402, first diode the 403, second resistance 404 and negative output terminal are sequentially connected.The drain of metal-oxide-semiconductor 405 and source class access charge circuit, are i.e. connected with emergency light 2 respectively at battery 3.The grid of metal-oxide-semiconductor 405 connects one end of the 3rd resistance 406, another of 3rd resistance 406 terminates the colelctor electrode of the first audion 407, the emitter stage of the first audion 407 connects negative input end, the base stage of the first audion 407 is connected between the second resistance 404 and the first diode 403, and the two ends of the 4th resistance 408 connect grid and the drain of metal-oxide-semiconductor 405 respectively.The one of 5th resistance 409 terminates metal-oxide-semiconductor 405 source electrode, and another terminates the positive pole of the second diode 410, and the negative pole of the second diode 410 is connected between the first resistance 402 and the first diode 403;The source electrode of one termination metal-oxide-semiconductor 405 of the 6th resistance 411, another terminates the emitter stage of the second audion 412, the colelctor electrode of the second audion 412 connects one end of the 7th resistance 413, another termination negative input end of 7th resistance 413, the base stage of the second audion 412 is connected between the 5th resistance 409 and the second diode 410;Enable outfan to be connected between the second audion 412 and the 7th resistance 413.Wherein, Zener diode selected by the first diode 403.
When analog switch 401 closes, i.e. during mains-supplied, the first diode 403 turns on, and metal-oxide-semiconductor 405 turns on, thus charge circuit conducting, battery 3 is charged.First audion 407 is also switched on, and now, in figure, the current potential at a is lower than the current potential at b, so the second diode 410 ends, the second audion 412 is also switched off, and enables outfan output low level, and switch module disconnects, and power supply circuits do not work.Disconnecting when controlling switch K1, i.e. during civil power power-off, metal-oxide-semiconductor 405 is not turned on, and makes charge circuit obstructed, and the first diode 403 turns on, and enables outfan output high level, and switch module turns on, and power supply circuits work, and battery 3 powers to emergency light 2.
In one embodiment, as shown in Figure 4, there is multiple emergency light 2.Multiple emergency lights 2 concatenate, A and C two terminates the outfan of pretreatment module 1.B and C two ends are accessed charge circuit, i.e. part emergency light 2 and are accessed charge circuit, therefore, take a part and charge for battery 3, make battery 3 charging current sufficiently large, be greatly shortened the charging interval in emergency light 2.Further, also accessing and have battery protecting circuit in charge circuit, battery protecting circuit, for when battery 3 is fully charged, cuts off charge circuit, thus protects the safety of battery 3.
Above-mentioned emergency light 2 can be selected for LED, naturally it is also possible to is the illuminating lamps such as common bulb.In view of LED power consumption is little, energy-conserving and environment-protective, LED is preferably used.
The application provides a kind of emergency light, can be applicable to the public places such as cinema, market, hotel.It includes above-mentioned emergency lighting circuit, also includes illuminating lamp, and wherein, illuminating lamp and emergency light can separately be powered.In order to the most cost-effective, this emergency light is i.e. used as illuminating lamp.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to assert the present invention be embodied as be confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace.

Claims (10)

1. an emergency lighting circuit, it is characterised in that:
Including pretreatment module and some emergency lights, the input termination civil power of pretreatment module, and pretreatment module is for carrying out rectification, filtering and blood pressure lowering output constant current signal to emergency light to civil power;
Also include battery, voltage increase and current constant module and the modular converter being connected with pretreatment module outfan;Battery, modular converter, voltage increase and current constant module and emergency light are sequentially connected composition current supply circuit;Battery, modular converter, emergency light are sequentially connected composition charge circuit;
Handover module, when mains-supplied, controls charge circuit conducting and current supply circuit disconnects;Handover module, when civil power power-off, controls charge circuit and disconnects and current supply circuit conducting.
Emergency lighting circuit the most according to claim 1, it is characterised in that:
Handover module includes exporting branch road, enabling outfan and switch module;Output branch road accesses charge circuit, and output branch road turns on when mains-supplied and disconnects when civil power power-off;Switch module has Enable Pin and two incoming ends, and two incoming ends concatenate into current supply circuit, and Enable Pin is connected with enabling outfan, and switch module controls to be turned on or off between two incoming ends according to the signal enabling outfan output.
Emergency lighting circuit the most according to claim 2, it is characterised in that:
Handover module also includes metal-oxide-semiconductor, the first audion, the second audion, the first diode, the second diode, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance and the 7th resistance;The outfan of pretreatment module includes positive output end and negative output terminal;
Positive output end, the first resistance, the first diode, the second resistance and negative output terminal are sequentially connected;The drain of metal-oxide-semiconductor and source class access charge circuit;The grid of metal-oxide-semiconductor connects one end of the 3rd resistance, another of 3rd resistance terminates the colelctor electrode of the first audion, the emitter stage of the first audion connects negative input end, and the base stage of the first audion is connected between the second resistance and the first diode, and the two ends of the 4th resistance connect grid and the drain of metal-oxide-semiconductor respectively;The one of 5th resistance terminates metal-oxide-semiconductor source electrode, and another terminates the positive pole of the second diode, and the negative pole of the second diode is connected between the first resistance and the first diode;The source electrode of one termination metal-oxide-semiconductor of the 6th resistance, another terminates the emitter stage of the second audion, the colelctor electrode of the second audion connects one end of the 7th resistance, and another termination negative input end of the 7th resistance, the base stage of the second audion is connected between the 5th resistance and the second diode;Enable outfan to be connected between the second audion and the 7th resistance.
4. according to the emergency lighting circuit described in claim 1-3 any one, it is characterised in that:
Part in all emergency lights accesses charge circuit.
5. according to the emergency lighting circuit described in claim 1-3 any one, it is characterised in that:
Also accessing in charge circuit and have battery protecting circuit, battery protecting circuit, for when battery is fully charged, cuts off charge circuit.
6. according to the emergency lighting circuit described in claim 1-3 any one, it is characterised in that: switch module is switching boost type DC-DC conversion chip.
7. according to the emergency lighting circuit described in claim 1-3 any one, it is characterised in that:
Pretreatment module includes that bridge rectifier, filter capacitor, commutation diode, voltage-dropping type quasi-resonance LED drive derailing switch and transformator.
8. according to the emergency lighting circuit described in claim 1-3 any one, it is characterised in that:
Emergency light is LED.
9. an emergency light, it is characterised in that:
Including the emergency lighting circuit described in claim 1-8 any one.
Emergency light the most according to claim 9, it is characterised in that:
Illuminating lamp is this emergency light.
CN201610565837.XA 2016-07-15 2016-07-15 A kind of emergency lighting circuit and emergency light Active CN106028567B (en)

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CN106028567B CN106028567B (en) 2017-11-17

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Cited By (6)

* Cited by examiner, † Cited by third party
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
CN108233526A (en) * 2018-01-31 2018-06-29 德力西电气有限公司 For the power supply management device of frame circuit breaker controller
CN109116160A (en) * 2018-10-13 2019-01-01 深圳市比尔达科技有限公司 Remote controlled emergency set detection device
CN110248455A (en) * 2019-07-05 2019-09-17 深圳迈睿智能科技有限公司 Emergency light and its control circuit and control method and storage method
CN110679206A (en) * 2017-05-22 2020-01-10 赤多尼科两合股份有限公司 Emergency lighting converter
CN114189036A (en) * 2020-09-15 2022-03-15 杭州老板电器股份有限公司 Emergency energy storage device and household appliance

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09190885A (en) * 1995-12-28 1997-07-22 Hitachi Lighting Ltd Emergency lamp lighting device
CN102182973A (en) * 2011-05-24 2011-09-14 郭小冬 Emergency lighting integrated LED (light emitting diode) lamp fixture
CN102685994A (en) * 2012-05-29 2012-09-19 耿波 Emergency lamp power supply device
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
CN203907423U (en) * 2014-05-09 2014-10-29 深圳市金鹏力电源科技有限公司 Emergency T8 light emitting diode (T8LED) lamp tube with built-in power supply
CN205812462U (en) * 2016-07-15 2016-12-14 珠海市声驰电器有限公司 A kind of emergency lighting circuit and emergency light

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09190885A (en) * 1995-12-28 1997-07-22 Hitachi Lighting Ltd Emergency lamp lighting device
CN102182973A (en) * 2011-05-24 2011-09-14 郭小冬 Emergency lighting integrated LED (light emitting diode) lamp fixture
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
CN102685994A (en) * 2012-05-29 2012-09-19 耿波 Emergency lamp power supply device
CN203907423U (en) * 2014-05-09 2014-10-29 深圳市金鹏力电源科技有限公司 Emergency T8 light emitting diode (T8LED) lamp tube with built-in power supply
CN205812462U (en) * 2016-07-15 2016-12-14 珠海市声驰电器有限公司 A kind of emergency lighting circuit and emergency light

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110679206A (en) * 2017-05-22 2020-01-10 赤多尼科两合股份有限公司 Emergency lighting converter
CN110679206B (en) * 2017-05-22 2022-01-11 赤多尼科两合股份有限公司 Converter device
CN107148123A (en) * 2017-07-10 2017-09-08 邱晖 A kind of emergent lamp control circuit with power supply automatic switching function
CN108233526A (en) * 2018-01-31 2018-06-29 德力西电气有限公司 For the power supply management device of frame circuit breaker controller
CN108233526B (en) * 2018-01-31 2024-03-26 德力西电气有限公司 Power supply management device for frame circuit breaker controller
CN109116160A (en) * 2018-10-13 2019-01-01 深圳市比尔达科技有限公司 Remote controlled emergency set detection device
CN110248455A (en) * 2019-07-05 2019-09-17 深圳迈睿智能科技有限公司 Emergency light and its control circuit and control method and storage method
CN114189036A (en) * 2020-09-15 2022-03-15 杭州老板电器股份有限公司 Emergency energy storage device and household appliance

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