CN202496105U - Emergency lighting circuit and emergency lighting system - Google Patents
Emergency lighting circuit and emergency lighting system Download PDFInfo
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- CN202496105U CN202496105U CN2012200474733U CN201220047473U CN202496105U CN 202496105 U CN202496105 U CN 202496105U CN 2012200474733 U CN2012200474733 U CN 2012200474733U CN 201220047473 U CN201220047473 U CN 201220047473U CN 202496105 U CN202496105 U CN 202496105U
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Abstract
The utility model discloses an emergency lighting circuit. The emergency lighting circuit comprises an LED lamp panel module, an adjustment and management module, a control module, a power supply module, and a dimming module. The power supply module is used to convert the external alternating current into the direct current required by the emergency lighting circuit, and the output end of the power is connected with the control module. The adjustment and management module is connected with the control module, and the adjustment and management module is used to provide a stable control voltage to the control module when the external alternating current is in normal supplies. The control module is connected with the LED lamp panel module for providing a working voltage to the LED lamp panel module. The input end of the dimming module is connected with the output end of the power supply module, and the output end of the dimming module is connected with the input end of the LED lamp panel module for adjusting the brightness of the LED lamp panel module. The utility model further discloses an emergency lighting system. In the implementation of the emergency lighting circuit and the emergency lighting system of the utility model, an emergency lamp will respond at once in an interruption of the power supply so as to play the use of emergency lighting, and the brightness of the lamp can be adjusted and the service time of the emergency lamp can be prolonged according to different applications.
Description
Technical field
The utility model relates to the application of electronic technology field, relates in particular to a kind of emergency lighting circuit and emergency lighting system.
Background technology
Existing illuminating lamp light modulation has following several kinds of modes:
Controllable silicon light modulation: circuit itself has just diminished the angle of flow of electric current; In any case the circuit design in the controllable silicon back all can not make the current waveform of power import become complete sine wave; Controllable silicon light modulation LED bulb must add some electric capacity buffer circuits, just can avoid bulb when light modulation, to produce flicker.In addition, be the power and energy saving device on the controllable silicon dimmer surface, actually this is not so, though because silicon controlled dimming device can reduce the power consumption of incandescent lamp, not representing it to be used for the dimming LED (Light Emitting Diode) bulb also can power saving.This is because when light modulation, and the LED bulb is a little load to traditional silicon controlled dimming device.But load is too little, can make silicon control elements switch unstable, causes the LED bulb seriously to glimmer.Revise this flicker problem, need in controllable silicon light modulation LED bulb, to add dummy load or bleeder resistor.But bleeder resistor must consume 1W to 2W and could effectively overcome the flicker problem in dimming state usually.
Control light modulation: adopt IR remote controller that LED is realized light modulation.Can realize switch lamp and use the PWM continuous light tuning.Shortcoming is that cost is high, does not have unified specification, can only be used for high-end residential.
The EZ light modulation: the EZ light modulation can realize the fourth gear light modulation, 100%, 60%, 40%, 20%, can not realize standby, as realizing that light modulation with emergent, then is not very perfect.
Traditional emergency light: general emergency light is charging when electricity is arranged, and the back that has a power failure is discharge, is discharged to cell voltage and goes out after low, wants to make that lamp is bright has only the battery of grade to fill electricity with could to use afterwards.
The utility model content
The technical problem that the utility model mainly solves provides a kind of emergency lighting circuit and a kind of emergency lighting system; Application should technology; Not only can use as emergency lighting, and can regulate the brightness of lamp, realize dimming effect according to applied environment; Thereby prolong the emergency light lighting hours, the lower and energy savings of cost.
For solving the problems of the technologies described above, a technical scheme of this novel employing is:
The utility model also discloses a kind of emergency lighting circuit, it is characterized in that: comprise LED lamp plate module, regulate administration module, control module and a power module and a light-adjusting module;
Said power module is used for converting external alternating current to described emergency lighting circuit required direct current, and said power output end links to each other with said control module;
Said adjusting administration module links to each other with said control module, and it is that control module provides stable control voltage that said adjusting administration module is used for when the external AC normal power supply;
Said control module links to each other with said LED lamp plate module, is used to said LED lamp plate module operating voltage is provided;
Said light-adjusting module input connects said power module outlet, and the light-adjusting module output connects the input of said LED lamp plate module, in order to regulate the brightness of LED lamp plate module.
Wherein, said light-adjusting module comprises current limliting Voltage stabilizing module, switch detection module, switching controls module, output control module, wherein,
Said current limliting Voltage stabilizing module input connects the output of power module, with thinking that the switching controls module provides stable operating voltage;
Said switch detection module input connects power module outlet, and said switch detection module output connects said switching controls module input, in order to the break-make of control switching controls module;
Said switching controls module output connects the input of said output control module, in order to the voltage of control output control module;
Said output control module input connects the output of power module, and the output of output control module connects said LED lamp plate module, in order to regulate LED lamp plate module voltage.
Wherein, said current limliting Voltage stabilizing module comprises the 3rd diode and the 5th electric capacity, the 13 resistance of parallel connection, the plus earth of said the 3rd diode, and an end of the 13 resistance is connected to the negative electrode of the 3rd diode, and the other end is connected to power module outlet;
Said switch detection module comprises second diode, the 15 resistance, the 4th triode and the 3rd filter circuit; Second diode anode is connected to the output of said power module; Negative electrode is connected to the base stage of the 4th triode through the 15 resistance; The grounded emitter of the 4th triode, the collector electrode of the 4th triode is connected to the input of switching controls module, and the 3rd filter circuit is connected to the base stage of the 4th triode;
Said switching controls module comprises control chip; Said control chip comprises first port, second port, the 3rd port, the 4th port, five-port; First port of said control chip connects the collector electrode of the 4th triode in the said switch detection module as the input of switching controls module; The second port ground connection of said control chip; The five-port of said control chip is connected to the 5th electric capacity in the current limliting Voltage stabilizing module as the power end of switching controls module, and the 3rd port of control chip and the 4th port are connected to said output control module as the output of switching controls module; The 11 resistance, said the 4th port is connected to the 12 resistance;
Said output control module comprises the 11 resistance, the 12 resistance, the 5th triode, the 6th electric capacity and FET; Said the 11 resistance and the 12 resistance are connected to the 3rd port and the 4th port of control chip in the said switching controls module respectively; The free end of two resistance links to each other and is connected to the base stage of said the 5th triode; The grounded collector of the 5th triode; The emitter of the 5th triode is connected to the grid of FET, an end ground connection of said the 6th electric capacity, and the other end is connected to the grid of FET; The drain electrode of said FET is connected to the output of power module as the input of output control module, and the source electrode of said FET is connected to LED lamp plate module as the output of output control module.
Wherein, said control module comprises first processor, first electric capacity and first triode, first resistance and button;
Said first processor comprises first to five-port; One end of first electric capacity connects first port of first processor, and the other end of first electric capacity connects the five-port of first processor; Second port of said first processor is connected to the output of said adjusting administration module, ground connection behind the 3rd port connection button, and the 4th port is connected to the base stage of first triode through first resistance; The emitter of first triode connects first port of said first processor, and collector electrode is connected to said LED lamp plate module.
Wherein, said adjusting administration module comprises protective circuit, voltage stabilizing circuit, sample circuit, control circuit and first filter circuit;
The input of said protective circuit connects first output of said power module; The output of protective circuit connects the input of said voltage stabilizing circuit; The output of voltage stabilizing circuit connects the input of said first filter circuit; The output of said first filter circuit connects the sampling end of said sample circuit, and the output of said sample circuit is the output of said adjusting administration module.
Wherein, said protective circuit comprises second electric capacity, second resistance, and said electric capacity is ceramic disc capacitor, and the positive pole of said electric capacity connects an end of second resistance, the minus earth of said electric capacity, and the other end of second resistance is connected to the input of voltage stabilizing circuit;
Said voltage stabilizing circuit comprises second triode and thyristor, and the collector electrode of said second triode connects the positive pole of second electric capacity, and base stage connects the negative electrode of thyristor, and emitter connects first port of said control circuit first processor; The plus earth of said thyristor;
Said sample circuit comprises the 3rd resistance and the 4th resistance, and an end of said the 3rd resistance connects the emitter of second triode, and the other end of the 3rd resistance is through the 4th grounding through resistance;
Said first filter circuit comprises the 3rd electric capacity, and an end of said the 3rd electric capacity is connected to the cathode of the second triode thyristor, and the other end of the 3rd electric capacity is connected to the gate leve of thyristor.
Wherein, said adjusting administration module also comprises red green indicating circuit, and said red green indicating circuit comprises indicator light circuit, current-limiting circuit, second triode, the 3rd triode and the 5th to the 7th resistance;
One end of said the 5th resistance connects the emitter of the 3rd triode; The other end of the 5th resistance connects the green light control end of indicator light circuit; The input of said current-limiting circuit connects the emitter of said the 3rd triode; Output is connected to the base stage of the 3rd triode behind the 6th resistance, the collector electrode of the 3rd triode connects the red light control end that connects indicator light circuit behind the 7th resistance.
Wherein, Also comprise the battery protection module; Said battery protection module has external connection battery link and power output end, and it is that external connection battery provides charge protection and when outage, the voltage of external connection battery outwards exported through power output end that said battery protection module is used for when the external AC normal power supply.
Wherein, said battery protection module comprises second processor, the 3rd processor and second filter circuit;
Said second processor comprises first to fourth port, and the 3rd processor comprises first and second port;
The 3rd port of second processor links to each other with first port of the 3rd processor, and the 4th port of second processor links to each other with second port of the 3rd processor; The second port ground connection of second processor;
The input of said second filter circuit connects the battery link, and the output of second filter circuit connects first port of second processor.
For addressing the above problem, the utility model also discloses a kind of emergency lighting system, uses above-mentioned each described emergency lighting circuit, it is characterized in that, also comprises battery and panel is set; The said panel that is provided with comprises timing signal output, and said control module also comprises timing signal input end; The said timing signal output that panel is set links to each other with the timing signal input end of emergency lighting circuit control module, is used to set the operating time, comprises time-delay, standby and timing; Said battery links to each other with the battery link of said battery protection module, and said battery is a chargeable battery.
The beneficial effect of present technique scheme:
The lighting circuit of the utility model; Not only emergency light makes an immediate response in outage, the purposes of performance emergency lighting, and also the user can regulate the brightness of lamp according to the application scenario; Prolong the lighting hours of emergency light, lower, the easy to operate and energy savings of cost.This system applies is provided with panel, and the operating time of emergency lighting can be set according to people's demand flexibly, the phenomenons such as electric energy that avoid waste, and this emergency lighting system is installed simple, and is convenient and reliable, the occasion that need throw light on when being widely used in cutting off the power supply.
Description of drawings
Fig. 1 is the structured flowchart of the emergency lighting circuit of the utility model embodiment;
Fig. 2 is the structured flowchart of the emergency lighting system of the utility model embodiment;
Fig. 3 A is the structured flowchart of light-adjusting module of the emergency lighting circuit of the utility model embodiment;
Fig. 3 B is the circuit theory diagrams of light-adjusting module of the emergency lighting circuit of the utility model embodiment;
Fig. 4 is the sketch map of the emergency lighting circuit control module of the utility model embodiment;
Fig. 5 is the sketch map of adjusting administration module of the emergency lighting circuit of the utility model embodiment;
Fig. 6 is the sketch map of battery protection module of the emergency lighting circuit of the utility model embodiment;
Fig. 7 is the sketch map of power module of the emergency lighting circuit of the utility model embodiment.
Embodiment
By the technology contents, the structural feature that specify the utility model, realized purpose and effect, know clearly below in conjunction with execution mode and conjunction with figs. and give explanation.
See also Fig. 1, be the structured flowchart of the emergency lighting circuit of the utility model embodiment.A kind of emergency lighting circuit comprises LED lamp plate module, regulates administration module, control module and power module and light-adjusting module; Wherein said power module is used for converting external alternating current to described emergency lighting circuit required direct current; Regulate administration module and link to each other with control module, it is that control module provides stable control voltage that the adjusting administration module is used for when the external AC normal power supply; Said control module links to each other with said LED lamp plate module, is used to said LED lamp plate module operating voltage is provided; Said light-adjusting module input connects said power module outlet, and the light-adjusting module output connects the input of said LED lamp plate module, in order to regulate the brightness of LED lamp plate module.
Please refer to Fig. 2, the emergency lighting system of an execution mode of the utility model, this emergency-lighting system is used said emergency light circuit, also comprises battery protection module, battery and panel is set.The battery protection module has external connection battery link and power output end; Said power output end links to each other with said control module, and it is that external connection battery provides charge protection and when outage, the voltage of external connection battery outwards exported through power output end that said battery protection module is used for when the external AC normal power supply; The said panel that is provided with comprises timing signal output, and said control module also comprises timing signal input end; The said timing signal output that panel is set links to each other with the timing signal input end of emergency light circuit control module, is used to set the operating time, comprises time-delay and timing; Said battery is a chargeable battery.Said time-delay, standby and the timing working time that panel can be provided with the emergency light illuminator as required be set.Concrete, the said panel that is provided with is a key-press module, comprises that the time increases button and the time reduces button, wherein, the time button that increases or reduce is fixed.When the time of pressing increases button, can increase delay time or operating time, when the time of pressing reduces button, shorten delay time or operating time.The purpose of using the time set function is in order to satisfy the needs of different groups; When outage; The staff uses emergency lighting system, and to leave the on-the-spot time different in size; Therefore just can set the time of leaving as required flexibly, easy to use, overcome the defective of waste electric energy in the prior art.This emergency lighting system is installed simple, and is convenient and reliable, the occasion that need throw light on when being widely used in cutting off the power supply.
Please refer to Fig. 3 A, is the structured flowchart of the utility model light-adjusting module one embodiment.This light-adjusting module comprises current limliting Voltage stabilizing module, switch detection module, switching controls module, output control module, and wherein, said current limliting Voltage stabilizing module input connects the output of power module, with thinking that the switching controls module provides stable voltage; Said switching controls module output connects the input of said output control module, in order to the voltage of control output control module;
Said switch detection module input connects power module outlet, and said switch detection module output connects said switching controls module input, in order to the break-make of control switching controls module;
Said switching controls module output connects the input of said output control module, in order to the voltage of control output control module;
Said output control module input connects the output of power module, in order to regulate LED lamp plate voltage.
Please refer to Fig. 3 B, is the circuit theory diagrams of the utility model light-adjusting module one embodiment.The current limliting Voltage stabilizing module comprises the 3rd diode D9 and the 5th capacitor C the 22, the 13 resistance R 30 of parallel connection; The plus earth of said the 3rd diode D9; One end of the 13 resistance R 30 is connected to the negative electrode of the 3rd diode D9, and the other end is connected to power output end N7; Said output control module comprises the 11 resistance R 33 and the 12 resistance R 34, the 5th triode Q5, the 6th capacitor C 24 and the FET Q4 of parallel connection; The 11 resistance R 33 of said parallel connection and the 12 resistance R 34 are connected to said the 5th triode Q5 through diode base stage; The grounded collector of the 5th triode Q5; The emitter of the 5th triode Q5 is connected to the grid of FET Q4, and the drain electrode of said FET Q4 connects the output N7 of power module, and the source electrode of said FET Q4 is connected to LED lamp plate module; One end ground connection of said the 6th capacitor C 24, the other end is connected to the grid of FET Q4; Said switch detection module comprises the second diode D7, the 15 resistance R 28, the 4th triode Q6 and comprises resistance 2R9 and the 3rd filter circuit of capacitor C 23; Wherein, The second diode D7 anode is connected to the output N6 of said power module; The D7 negative electrode is connected to the base stage of the 4th triode Q6 through the 15 resistance R 28; The grounded emitter of the 4th triode Q6, the collector electrode of the 4th triode Q6 is connected to the input of switching controls module, and the 3rd filter circuit is connected to the base stage of the 4th triode Q6; Said switching controls module comprises control chip U7; Said control chip U7 comprises first port, second port, the 3rd port, the 4th port, five-port; The collector electrode of said the 4th triode Q6 is connected to first port of said control chip U7, the second port ground connection of said control chip U7, and the five-port of said control chip U7 is connected to an end of the 5th electric capacity; Said the 3rd port is connected to the 11 resistance, and said the 4th port is connected to the 12 resistance.
Please refer to Fig. 4, is the sketch map of the emergency lighting circuit control module of the utility model embodiment.Control module comprises first processor U6, first capacitor C 18 and the first triode Q2, first resistance R 20 and the button; Said first processor U6 comprises first to five-port, and said first port connects the output of said battery protection module through N5; One end of first electric capacity connects first port of first processor U6, and the other end of first capacitor C 18 connects the 8th port and the ground connection of first processor U6; The 4th port of said first processor U6 is connected to the output of said adjusting administration module through N2, and the 3rd port connects ground connection behind the button, and the 6th port is connected to the base stage of first triode through first resistance R 20; The emitter of first triode connects first port of said first processor, and collector electrode is connected to said LED lamp plate module.
Please refer to Fig. 5, is the sketch map of adjusting administration module of the emergency lighting circuit of the utility model embodiment.Regulate administration module and comprise protective circuit, voltage stabilizing circuit, sample circuit, control circuit and first filter circuit; The input of said protective circuit connects first output of said power module; The output of protective circuit connects the input of said voltage stabilizing circuit; The output of voltage stabilizing circuit connects the input of said first filter circuit; The output of said first filter circuit connects the sampling end of said sample circuit, and the output of said sample circuit is first output of said adjusting administration module.
Concrete; Said protective circuit comprises second capacitor C 16, second resistance R 15, and said electric capacity is ceramic disc capacitor, and the positive pole of said electric capacity connects an end of second resistance R 15; The minus earth of said electric capacity, the other end of second resistance R 15 is connected to the input of voltage stabilizing circuit; Said voltage stabilizing circuit comprises the second triode Q1 and thyristor TL1, and the collector electrode of the said second triode Q1 connects the positive pole of second capacitor C 16, and base stage connects the negative electrode of thyristor TL1, and emitter connects first processor U6 first port of said control circuit; The plus earth of said thyristor TL1.
Concrete, said sample circuit comprises the 3rd resistance R 16 and the 4th resistance R 17, and an end of said the 3rd resistance R 16 connects the emitter of the second triode Q1, and the other end of the 3rd resistance is ground connection after the 4th resistance R 17.Said first filter circuit comprises the 3rd capacitor C 17, and an end of said the 3rd capacitor C 17 is connected to the negative electrode of thyristor TL1, and the other end of the 3rd electric capacity is connected to the gate pole of thyristor TL1, and the second triode Q1 is connected to power module through N4.
One preferred embodiment in, said adjusting administration module also comprises red green indicating circuit, said red green indicating circuit comprises indicator light circuit, current-limiting circuit, the second triode Q1, the 3rd triode Q3 and the 5th to the 7th resistance; One end of said the 5th resistance R 3 connects the emitter of the 3rd triode Q3; The other end connects the green light control end of indicator light circuit; The input of said current-limiting circuit connects the emitter of said the 3rd triode Q3; Output is connected to the base stage of the 3rd triode Q3 after the 6th resistance R 24, the collector electrode of the 3rd triode Q3 connects the red light control end that connects indicator light circuit after the 7th resistance R 25.
This indicator light circuit when civil power inserts, is regulated administration module work; The base current of the 3rd triode Q3 through the 6th resistance R 24 after protective circuit ground connection, the 3rd triode Q3 conducting this moment, electric current is flowed through and is lighted red led after the 3rd triode Q3, the 7th resistance R 25; Indication circuit is in charged state; After battery was full of, charge protection module identification battery was full of and quits work, and the 3rd triode Q3 does not quit work because of there being earth current; Electric current was flowed through and was lighted green indicating lamp after the 5th resistance R 23 this moment, and the expression battery is full of.
In a preferred embodiment; The said first triode Q2, the second triode Q1 and the 3rd triode Q3 are low conducting band resistance triode; This type of triode is divided in formation with one or two resistors after transistor connects, it often is used as a middling speed switching tube, in circuit, can regard an electronic switch as; When saturation conduction, its tube voltage drop is very little.Use the present technique scheme, keep emergency lighting system under stable voltage environment, to work.
Please refer to Fig. 6, is the sketch map of battery protection module of the emergency lighting circuit of the utility model embodiment.The battery protection module comprises the second processor U4, the 3rd processor U5 and filter circuit; The said second processor U4 comprises first to fourth port, and the 3rd processor U5 comprises first and second port; The 3rd port of the second processor U4 links to each other with first port of the 3rd processor U5, and the 4th port links to each other with second port of the 3rd processor U5; The second port ground connection of the second processor U4; The input of said filter circuit connects the battery link, and output connects first port of the second processor U4.Wherein, said filter circuit comprises the 8th resistance R 21 and the 4th capacitor C 19; One termination battery link of said the 8th resistance R 21, ground connection behind the end of another termination the 4th electric capacity, the anode of battery is connected to the adjusting administration module through N5; The 8th resistance R 21 is connected first port of the said second processor U4 with the common junction of the 4th capacitor C 19.Concrete, said the 3rd processor U5 comprises two groups of metal-oxide-semiconductors.This battery protecting circuit can protect battery because of overcharge, overdischarge, electric current are excessive causes shorter battery life or battery to be damaged designing.It has the voltage detecting and the time delay circuit of pinpoint accuracy.Have low operating current, overcurrent protection resets, and little encapsulation is for discharging and recharging of battery provides safe and reliable operational environment.
Please refer to Fig. 7, is the sketch map of power module of the emergency lighting circuit of the utility model embodiment.The power supply of emergency lighting circuit provides constant electric current through power module, and the superperformance of power module is that lamp plate provides good operation voltage, and power module work when civil power inserts for the integrated circuit power supply, charges the battery simultaneously.Concrete, power module has output constant current, constant voltage, and for LED lamp plate module provides good operation voltage, power module work provides a voltage to light LED lamp plate module when civil power inserts.Through diode D5 rectification, current-limiting resistance R4, filter capacitor C16 one direct current voltage is provided by another winding of power module; Triode Q1, thyristor TL1 form voltage stabilizing circuit; The conducting size of resistance R 15 control triode Q1; Capacitor C 17 makes thyristor TL1 working stability, and resistance R 16, R17 form sample resistance, for the charging of battery provides stable operating voltage.This voltage charges the battery through diode D11 current limliting.Resistance R 21 current limlitings, capacitor C 19 filtering provide operating voltage for the second processor U4, and protective circuit is controlled overcharging, crossing and put overcurrent etc. of battery by the second processor U4 and the 3rd processor U5 control.The 3rd processor U5 inside is two groups of metal-oxide-semiconductors, reduces battery operated conducting internal resistance, and the second processor U4, the 3rd processor U5 work are self to be the low-power consumption microampere order, make product that the standby of enough length can be arranged like this.Triode Q3, resistance R 23, resistance R 24, resistance R 25, protective circuit are formed red green indicating circuit.When the work of civil power access charge protector of battery, base current is gone into ground through resistance R 24 through protective circuit, triode Q3 conducting this moment, and electric current is lighted red led through triode Q3, resistance R 25, and indication circuit is just in charged state.When battery is full of, protective circuit quits work because of overcharging, and triode Q3 base stage is not ended work because of there being earth current, and this moment, electric current was lighted green indicating lamp through resistance R 23, and the expression battery is full of.
Concrete, in the utility model, control module is made up of U6 and peripheral circuit.C18 is a filter capacitor, makes first processor U6 working stability, when civil power inserts; Through the burning voltage that triode Q1 provides, insert the 4th pin of first processor U6, first processor U6 detects the 4th pin has voltage; Internal circuit resets; The 6th pin is a high potential, and triode Q2 ends, and is in emergent LED lamp plate module and does not work.When the civil power disconnection, the 4th pin loss of voltage, first processor U6 detect and delay time 2-4 second; Get into emergency rating, locking timing controlled time, the 6th pin output electronegative potential; Triode Q2 conducting, cell voltage is lighted emergent required LED battle array example through triode Q2, realizes emergency lighting.Along with the continuity of emergency lighting time, reach the timing of first processor U6 locking after, the 6th pin output high potential, triode Q2 ends, the LED lamp plate extinguishes.If need the emergency LED lamp plate bright this moment, first processor U6 can realize that also the 5th pin of first processor U6 opens or closes control for forcing, and S1 is the force switch button, clicks switch lamp Chang Liang, often goes out as clicking lamp again, circulates with this.
Simultaneously, as an embodiment, the course of work of light adjusting circuit is following: by power module after diode D6 rectification, C15 filtering, R30 current limliting, D9 voltage stabilizing, for control chip U7 provides stable operating voltage.When the user opened switch on wall, power module work was got through current-limiting resistance R4, rectifier diode D7, filter capacitor C23, the 4th triode Q6 base stage by transformer; The 4th triode Q6 conducting, 1 pin of control chip is electronegative potential over the ground, the electronegative potential of 3 pin output simultaneously; Control the 5th triode Q5 conducting, because the conducting of the 5th triode Q5, the grid voltage of FET Q4 is also along with decline; The voltage Be Controlled of Q4 source electrode, the brightness of LED lamp plate module also changes along with the variation of voltage.When the user turn-offs switch on wall, power module is not worked, and LED lamp plate breath goes out, the 4th triode Q6 base stage dead electricity simultaneously, and the 4th triode Q6 does not work.Because the energy storage effect of the 5th capacitor C 22, control chip U7 is keeping the work of awaiting orders of short time, the counting internal data.When user's unlocking wall switch again, power module work, the 4th triode Q6 base stage is once more; 1 pin of control chip U7 is electronegative potential once more, the internal trigger of control chip U7, its 4 pin output electronegative potential; Because R34 resistance is less, strengthen conducting to triode Q5, the gate clamped of FET Q4 to the LED lamp plate can not bright lamp voltage; This moment, the LED lamp plate did not reach the voltage of bright lamp, and lamp does not work.The size of the 11 resistance R 33, the 12 resistance R 34 has determined the brightness of LED lamp plate.Another turn-offs----unlocking wall switch as the user, and 1 pin of control chip U7 is electronegative potential again, and this moment, control chip U7 stopped output; The 5th not conducting of triode Q5; This moment, the conducting of FET Q4 was the strongest, and output voltage is maximum, and the LED lamp plate is the brightest; The user realizes light modulation repeatedly to the operation of switch on wall.
As a preferred embodiment; When the illuminating lamp of the utility model used as domestic lighting, light modulation had three gears, and can arbitrarily adjust the brightness of each grade; The light modulation purpose all is in order to satisfy people's different light intensity of needs under different occasions at home; Dark possibly when for example seeing TV, brighter possibly in the time of reading, can be with adjusting the LED different brightness in the application different environment according to different clients.
In order to realize shaking control and emergent; The last step that we can the transfer the files emergent standby mode that is set to have a power failure; Can be implemented in has a rest does not at night want to make lamp bright, can know it when is to have a power failure again, and the back emergency lighting can also realize having a power failure; And the lighting time of power-cut emergency lighting can be set, can do different time control according to customer requirements.When disaster or urgent need illumination, can take off again when the torch use, ability freely controlled and open or close.Internal cell uses LiFePO4, and perfect battery control and protective circuit are arranged, and is safe and reliable.
To sum up, the lighting circuit of the utility model, not only emergency light makes an immediate response in outage; The purposes of performance emergency lighting; And the user can regulate the brightness of lamp according to the application scenario, thereby prolongs the lighting hours of emergency light, lower, the easy to operate and energy savings of cost.This system applies is provided with panel, and the operating time of emergency lighting can be set according to people's demand flexibly, the phenomenons such as electric energy that avoid waste, and this emergency lighting system is installed simple, and is convenient and reliable, the occasion that need throw light on when being widely used in cutting off the power supply.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (10)
1. an emergency lighting circuit is characterized in that: comprise LED lamp plate module, regulate administration module, control module and a power module and a light-adjusting module;
Said power module is used for converting external alternating current to described emergency lighting circuit required direct current, and said power output end links to each other with said control module;
Said adjusting administration module links to each other with said control module, and it is that control module provides stable control voltage that said adjusting administration module is used for when the external AC normal power supply;
Said control module links to each other with said LED lamp plate module, is used to said LED lamp plate module operating voltage is provided;
Said light-adjusting module input connects said power module outlet, and the light-adjusting module output connects the input of said LED lamp plate module, in order to regulate the brightness of LED lamp plate module.
2. emergency lighting circuit according to claim 1 is characterized in that, said light-adjusting module comprises current limliting Voltage stabilizing module, switch detection module, switching controls module, output control module, wherein,
Said current limliting Voltage stabilizing module input connects the output of power module, with thinking that the switching controls module provides stable operating voltage;
Said switch detection module input connects power module outlet, and said switch detection module output connects said switching controls module input, in order to the break-make of control switching controls module;
Said switching controls module output connects the input of said output control module, in order to the voltage of control output control module;
Said output control module input connects the output of power module, and the output of output control module connects said LED lamp plate module, in order to regulate LED lamp plate module voltage.
3. emergency lighting circuit according to claim 2; It is characterized in that; Said current limliting Voltage stabilizing module comprises the 3rd diode and the 5th electric capacity, the 13 resistance of parallel connection; The plus earth of said the 3rd diode, an end of the 13 resistance is connected to the negative electrode of the 3rd diode, and the other end is connected to power module outlet;
Said switch detection module comprises second diode, the 15 resistance, the 4th triode and the 3rd filter circuit; Second diode anode is connected to the output of said power module; Negative electrode is connected to the base stage of the 4th triode through the 15 resistance; The grounded emitter of the 4th triode, the collector electrode of the 4th triode is connected to the input of switching controls module, and the 3rd filter circuit is connected to the base stage of the 4th triode;
Said switching controls module comprises control chip; Said control chip comprises first port, second port, the 3rd port, the 4th port, five-port; First port of said control chip connects the collector electrode of the 4th triode in the said switch detection module as the input of switching controls module; The second port ground connection of said control chip; The five-port of said control chip is connected to the 5th electric capacity in the current limliting Voltage stabilizing module as the power end of switching controls module, and the 3rd port of control chip and the 4th port are connected to said output control module as the output of switching controls module; The 11 resistance, said the 4th port is connected to the 12 resistance;
Said output control module comprises the 11 resistance, the 12 resistance, the 5th triode, the 6th electric capacity and FET; Said the 11 resistance and the 12 resistance are connected to the 3rd port and the 4th port of control chip in the said switching controls module respectively; The free end of two resistance links to each other and is connected to the base stage of said the 5th triode; The grounded collector of the 5th triode; The emitter of the 5th triode is connected to the grid of FET, an end ground connection of said the 6th electric capacity, and the other end is connected to the grid of FET; The drain electrode of said FET is connected to the output of power module as the input of output control module, and the source electrode of said FET is connected to LED lamp plate module as the output of output control module.
4. emergency lighting circuit according to claim 1 is characterized in that: said control module comprises first processor, first electric capacity and first triode, first resistance and button;
Said first processor comprises first to five-port; One end of first electric capacity connects first port of first processor, and the other end of first electric capacity connects the five-port of first processor; Second port of said first processor is connected to the output of said adjusting administration module, ground connection behind the 3rd port connection button, and the 4th port is connected to the base stage of first triode through first resistance; The emitter of first triode connects first port of said first processor, and collector electrode is connected to said LED lamp plate module.
5. emergency lighting circuit according to claim 1 is characterized in that: said adjusting administration module comprises protective circuit, voltage stabilizing circuit, sample circuit, control circuit and first filter circuit;
The input of said protective circuit connects first output of said power module; The output of protective circuit connects the input of said voltage stabilizing circuit; The output of voltage stabilizing circuit connects the input of said first filter circuit; The output of said first filter circuit connects the sampling end of said sample circuit, and the output of said sample circuit is the output of said adjusting administration module.
6. emergency lighting circuit according to claim 5 is characterized in that:
Said protective circuit comprises second electric capacity, second resistance, and said electric capacity is ceramic disc capacitor, and the positive pole of said electric capacity connects an end of second resistance, the minus earth of said electric capacity, and the other end of second resistance is connected to the input of voltage stabilizing circuit;
Said voltage stabilizing circuit comprises second triode and thyristor, and the collector electrode of said second triode connects the positive pole of second electric capacity, and base stage connects the negative electrode of thyristor, and emitter connects first port of said control circuit first processor; The plus earth of said thyristor;
Said sample circuit comprises the 3rd resistance and the 4th resistance, and an end of said the 3rd resistance connects the emitter of second triode, and the other end of the 3rd resistance is through the 4th grounding through resistance;
Said first filter circuit comprises the 3rd electric capacity, and an end of said the 3rd electric capacity is connected to the cathode of the second triode thyristor, and the other end of the 3rd electric capacity is connected to the gate leve of thyristor.
7. emergency lighting circuit according to claim 5; It is characterized in that: said adjusting administration module also comprises red green indicating circuit, and said red green indicating circuit comprises indicator light circuit, current-limiting circuit, second triode, the 3rd triode and the 5th to the 7th resistance;
One end of said the 5th resistance connects the emitter of the 3rd triode; The other end of the 5th resistance connects the green light control end of indicator light circuit; The input of said current-limiting circuit connects the emitter of said the 3rd triode; Output is connected to the base stage of the 3rd triode behind the 6th resistance, the collector electrode of the 3rd triode connects the red light control end that connects indicator light circuit behind the 7th resistance.
8. emergency lighting circuit according to claim 1; It is characterized in that: also comprise the battery protection module; Said battery protection module has external connection battery link and power output end, and it is that external connection battery provides charge protection and when outage, the voltage of external connection battery outwards exported through power output end that said battery protection module is used for when the external AC normal power supply.
9. emergency lighting circuit according to claim 8 is characterized in that: said battery protection module comprises second processor, the 3rd processor and second filter circuit;
Said second processor comprises first to fourth port, and the 3rd processor comprises first and second port;
The 3rd port of second processor links to each other with first port of the 3rd processor, and the 4th port of second processor links to each other with second port of the 3rd processor; The second port ground connection of second processor;
The input of said second filter circuit connects the battery link, and the output of second filter circuit connects first port of second processor.
10. emergency lighting system, application rights requires each described emergency lighting circuit of 1-9, it is characterized in that, also comprises battery and panel is set; The said panel that is provided with comprises timing signal output, and said control module also comprises timing signal input end; The said timing signal output that panel is set links to each other with the timing signal input end of emergency lighting circuit control module, is used to set the operating time, comprises time-delay, standby and timing; Said battery links to each other with the battery link of said battery protection module, and said battery is a chargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200474733U CN202496105U (en) | 2012-02-14 | 2012-02-14 | Emergency lighting circuit and emergency lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200474733U CN202496105U (en) | 2012-02-14 | 2012-02-14 | Emergency lighting circuit and emergency lighting system |
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| Publication Number | Publication Date |
|---|---|
| CN202496105U true CN202496105U (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200474733U Withdrawn - After Issue CN202496105U (en) | 2012-02-14 | 2012-02-14 | Emergency lighting circuit and emergency lighting system |
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| CN (1) | CN202496105U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102595726A (en) * | 2012-02-14 | 2012-07-18 | 深圳市讯宇创科技有限公司 | Emergency lighting circuit and emergency lighting system |
| CN103354684A (en) * | 2013-07-18 | 2013-10-16 | 宁波市乐星感应电器有限公司 | Emergency lamp circuit structure and emergency lamp control method |
| CN104797051A (en) * | 2015-04-27 | 2015-07-22 | 徐州爱特普电子有限公司 | Novel fire exit emergency lamp circuit |
-
2012
- 2012-02-14 CN CN2012200474733U patent/CN202496105U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102595726A (en) * | 2012-02-14 | 2012-07-18 | 深圳市讯宇创科技有限公司 | Emergency lighting circuit and emergency lighting system |
| CN102595726B (en) * | 2012-02-14 | 2014-02-12 | 深圳市讯宇创科技有限公司 | Emergency lighting circuit and emergency lighting system |
| CN103354684A (en) * | 2013-07-18 | 2013-10-16 | 宁波市乐星感应电器有限公司 | Emergency lamp circuit structure and emergency lamp control method |
| CN103354684B (en) * | 2013-07-18 | 2015-04-15 | 宁波市乐星感应电器有限公司 | Emergency lamp control method |
| CN104797051A (en) * | 2015-04-27 | 2015-07-22 | 徐州爱特普电子有限公司 | Novel fire exit emergency lamp circuit |
| CN104797051B (en) * | 2015-04-27 | 2017-08-25 | 徐州爱特普电子有限公司 | Novel firefighting extra exit emergency light circuit |
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| AV01 | Patent right actively abandoned |
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