CN207251972U - The control device of the constant current emergent identification lamp of power supply charged pool - Google Patents

The control device of the constant current emergent identification lamp of power supply charged pool Download PDF

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Publication number
CN207251972U
CN207251972U CN201721313323.1U CN201721313323U CN207251972U CN 207251972 U CN207251972 U CN 207251972U CN 201721313323 U CN201721313323 U CN 201721313323U CN 207251972 U CN207251972 U CN 207251972U
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circuit
battery
constant
microcontroller
output terminal
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CN201721313323.1U
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张家勇
郑国灵
李月松
张欣
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Beijing Beiyuan Anda Electronics Co Ltd
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Beijing Beiyuan Anda Electronics Co Ltd
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Abstract

The utility model provides a kind of control device of the constant current emergent identification lamp for charged pool of powering, including AC220V exchanges input interface, AC turn DC reduction voltage circuits, battery charge control circuit, battery, active and standby power conversion circuit, booster circuit, constant-current drive circuit, battery voltage detection circuit, microcontroller and indicating circuit.Advantage is:Using alternating current and battery duplicate supply mode, also, alternating current and battery are on the power supply circuit of lamps and lanterns, constant-current drive circuit is shared, by setting constant-current drive circuit, ensures to provide stable electric current to lamps and lanterns, so as to avoid lamps and lanterns that stroboscopic phenomenon occurs, the service life of lamps and lanterns is extended.

Description

The control device of the constant current emergent identification lamp of power supply charged pool
Technical field
It the utility model is related to a kind of control device, and in particular to a kind of control of the constant current emergent identification lamp for charged pool of powering Device processed.
Background technology
Fire-fighting emergent identification lamp is a kind of exit signs equipment, during for fire to occur, guiding trapped person evacuation or exhibition Open fire fighting and rescue action, AT STATION harbour, megastore and other people flow intensive place and widely use.
However, existing fire-fighting emergent identification lamp generally directly uses mains-supplied, due to alternating current not there are during alternating current Stablize, there are pulse voltage, therefore, easily makes lamps and lanterns that stroboscopic phenomenon occur, so as to reduce the service life of lamps and lanterns.
Utility model content
In view of the defects existing in the prior art, the utility model provides a kind of constant current emergent identification lamp for charged pool of powering Control device, can effectively solve the above problems.
The technical solution adopted in the utility model is as follows:
The utility model provides a kind of control device of the constant current emergent identification lamp for charged pool of powering, including AC220V exchanges Input interface, AC turn DC reduction voltage circuits, battery charge control circuit, battery, active and standby power conversion circuit, booster circuit, constant current drive Dynamic circuit, battery voltage detection circuit, microcontroller and indicating circuit;The output terminal of the AC220V exchanges input interface is connected to The AC turns the input terminal of DC reduction voltage circuits;The 1st output terminal that the AC turns DC reduction voltage circuits is connected to the active and standby electricity conversion The input terminal of circuit;The 2nd output terminal that the AC turns DC reduction voltage circuits passes sequentially through the battery charge control circuit and described After battery, the input terminal of the active and standby power conversion circuit is connected to;The output terminal of the active and standby power conversion circuit passes sequentially through institute After stating booster circuit and the constant-current drive circuit, the input terminal of the microcontroller is connected to;The output terminal of the microcontroller point It is not connected with the battery charge control circuit and the indicating circuit;The input terminal of the battery voltage detection circuit with it is described Battery connects;The output terminal of the battery voltage detection circuit is connected with the microcontroller.
Preferably, the microcontroller is STM32F030F4P6 model microcontrollers.
Preferably, the constant-current drive circuit includes:Voltage-stabiliser tube, the 23rd resistor, PNP triode, the 28th resistance, the 25th Resistance and NPN triode;
The output terminal of the booster circuit is connected with one end of the 23rd resistor and one end of voltage-stabiliser tube respectively;23rd electricity The other end of resistance device is connected to the emitter of PNP triode;The other end of voltage-stabiliser tube is connected to the base stage of PNP triode;PNP tri- The collector of pole pipe and one end of light emitting diode connect;In addition, the emitter of NPN triode and the other end of light emitting diode It is grounded after being connected;The base stage of NPN triode is connected to the input terminal of microcontroller by the 28th resistance;The collector of NPN triode After the 25th resistance, the base stage of PNP triode is connected to.
The control device of the constant current emergent identification lamp of power supply charged pool provided by the utility model has the following advantages:Using Alternating current and battery duplicate supply mode, also, alternating current and battery share constant-current drive circuit, pass through on the power supply circuit of lamps and lanterns Constant-current drive circuit is set, ensures to provide stable electric current to lamps and lanterns, so as to avoid lamps and lanterns that stroboscopic phenomenon occurs, extends lamps and lanterns Service life.
Brief description of the drawings
Fig. 1 is the structural representation of the control device of the constant current emergent identification lamp of power supply charged pool provided by the utility model Figure;
Fig. 2 is the circuit diagram that AC provided by the utility model turns DC reduction voltage circuits;
Fig. 3 is the circuit diagram of battery charge control circuit provided by the utility model;
Fig. 4 is the circuit diagram of booster circuit provided by the utility model;
Fig. 5 is the circuit diagram of constant-current drive circuit provided by the utility model;
Fig. 6 is the circuit diagram of failure provided by the utility model, charging and emergent indicating circuit.
Embodiment
In order to which the technical problem, technical solution and the beneficial effect that are solved the utility model are more clearly understood, below With reference to accompanying drawings and embodiments, the utility model is further elaborated.It should be appreciated that specific implementation described herein Example only to explain the utility model, is not used to limit the utility model.
The utility model provides a kind of control device of the constant current emergent identification lamp for charged pool of powering, with reference to figure 1, including AC220V exchanges input interface, AC turn DC reduction voltage circuits, battery charge control circuit, battery, active and standby power conversion circuit, boosting electricity Road, constant-current drive circuit, battery voltage detection circuit, microcontroller and indicating circuit;AC220V exchanges the output terminal of input interface It is connected to the input terminal that AC turns DC reduction voltage circuits;The 1st output terminal that AC turns DC reduction voltage circuits is connected to active and standby power conversion circuit Input terminal;AC turn DC reduction voltage circuits the 2nd output terminal pass sequentially through battery charge control circuit and battery after, be connected to active and standby electricity The input terminal of conversion circuit;After the output terminal of active and standby power conversion circuit passes sequentially through booster circuit and constant-current drive circuit, connection To the input terminal of microcontroller;The output terminal of microcontroller is connected with battery charge control circuit and indicating circuit respectively;Cell voltage The input terminal of detection circuit is connected with battery;The output terminal of battery voltage detection circuit is connected with microcontroller.
The operation principle of control device of constant current emergent identification lamp of charged pool of powering is:
(1) when alternating current is normal, alternating current AC220V alternating currents are input to AC and turn DC reduction voltage circuits, and mains AC is changed For direct current, and realize that output end voltage (VCC) drops to 10V, then, after active and standby power conversion circuit, then pass through the electricity that boosts 10V is raised to 15V by road, booster circuit, is embodied as constant-current drive circuit and is provided power supply.Then, the perseverance of constant-current drive circuit is passed through After stream effect, power to lamps and lanterns;
(2) after alternating current powers off, active and standby power conversion circuit is switched to battery powered, and battery powered mode is:Battery exports After direct current is by active and standby power conversion circuit, then 10V is raised to by 15V by booster circuit, booster circuit, is embodied as constant current driving Circuit provides power supply.Then, after by the constant current effect of constant-current drive circuit, power to lamps and lanterns;
(3) in addition, battery voltage detection circuit detects the terminal voltage value of battery in real time, and it is transferred to microcontroller;Microcontroller Determine whether that battery charges by the terminal voltage value of battery;When terminal voltage value is relatively low, microcontroller is to battery charge control electricity Road is controlled, so as to be charged in time to battery by alternating current, charging process is:Alternating current AC220V alternating currents are input to AC and turn DC Reduction voltage circuit, direct current is converted to by mains AC, and realizes that output end voltage (VCC) drops to 10V;Then, battery is passed through Charging control circuit charges to battery.
Therefore, the control device of the constant current emergent identification lamp of power supply charged pool provided by the utility model, when alternating current is normal When, powered by alternating current to lamps and lanterns;When alternating current powers off, powered by battery to lamps and lanterns;Also, when battery capacity is less, Charged in time by alternating current to battery, and then ensure when alternating current powers off battery in emergency circumstances enables function;Due to being not required to Battery is manually replaced, so as to reduce the workload of staff;In addition, using alternating current and battery duplicate supply mode, also, Alternating current and battery share constant-current drive circuit, by setting constant-current drive circuit, ensure to lamps and lanterns on the power supply circuit of lamps and lanterns Stable electric current is provided, so as to avoid lamps and lanterns that stroboscopic phenomenon occurs, extends the service life of lamps and lanterns.Below to each circuit into Row is discussed in detail:
(1) microcontroller
Control chips of the chip STM32F030F4P6 that the utility model is produced using ST companies as control device, should The characteristics of chip be it is cheap, it is low in energy consumption.
(2) AC turns DC reduction voltage circuits
With reference to figure 2,220V AC-input voltages pass through protective tube F1, after rectifier bridge BG1, alternating voltage are converted into Pulsating dc voltage, then after power management chip U2 and NPN triode Q1 processing, realizes that output end voltage VCC is dropped to 10V。
(3) battery charge control circuit
With reference to figure 3, using battery management chip MCP73833U4 and this chip periphery circuit and two pieces of battery serial interfaces J2 is connected, and realizes battery charge control.
(4) booster circuit
With reference to figure 4, using booster power chip MIC2288BD5U1 circuits, 10V is raised to 15V, is embodied as constant current driving Circuit provides power supply.Output terminal (AD_VBAT) is connected with an AD input port of microcontroller, and the one of input terminal VBAT and microcontroller The connection of a I/O port, microcontroller by output terminals A D_VBAT detect battery whether failure, pass through input terminal VBAT and control triode Q2 Break-make realize whether select battery powered, i.e., when be high level by input terminal VBAT, triode Q2 is turned on, so as to fulfill Powered by battery-end VCC1.
(5) constant-current drive circuit
With reference to figure 5, constant current driver circuit for LED is made of the identical circuit in 3 tunnels, exemplified by all the way, constant-current drive circuit bag Include:Voltage-stabiliser tube, the 23rd resistor, PNP triode, the 28th resistance, the 25th resistance and NPN triode;
The output terminal of booster circuit is connected with one end of the 23rd resistor and one end of voltage-stabiliser tube respectively;23rd resistor The other end be connected to the emitter of PNP triode;The other end of voltage-stabiliser tube is connected to the base stage of PNP triode;PNP triode Collector and light emitting diode one end connect;In addition, the emitter of NPN triode is connected with the other end of light emitting diode After be grounded;The base stage of NPN triode is connected to the input terminal of microcontroller by the 28th resistance;The collector of NPN triode passes through After 25th resistance, the base stage of PNP triode is connected to.
Specifically, power input voltage 15V meets one end of voltage-stabiliser tube Z1 and resistor R23, voltage-stabiliser tube Z1 and resistor R23 The other end be connected with PNP triode T1, the collector of PNP triode T1 is connected with Light-emitting diode LED 4, PNP triode T1 Base stage be connected with resistance R25 and triode Q5, an I/O port of input terminal RLED and microcontroller connection, when input terminal RLED is During high level, Light-emitting diode LED 4, Light-emitting diode LED 6, Light-emitting diode LED 8 lights.Operation principle:Light emitting diode Electric current is flowed through equal to the electric current on transistor emitter current-limiting resistance R23, and the voltage constant at voltage-stabiliser tube both ends is constant, current-limiting resistance The upper voltages of R23 remain unchanged at the same time, that is, keep constant current.I.e.:I=Vd-Vbe/R.
(6) indicating circuit
With reference to figure 6, it is composed in series by resistor R22 and Light-emitting diode LED 3.One of input terminal GLED and microcontroller I/O port connects, and when input terminal GLED is high level, Light-emitting diode LED 3 is lighted.
The control device of the constant current emergent identification lamp of power supply charged pool provided by the utility model has the following advantages:Using Alternating current and battery duplicate supply mode, also, alternating current and battery share constant-current drive circuit, pass through on the power supply circuit of lamps and lanterns Constant-current drive circuit is set, ensures to provide stable electric current to lamps and lanterns, so as to avoid lamps and lanterns that stroboscopic phenomenon occurs, extends lamps and lanterns Service life.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and Retouching should also regard the scope of protection of the utility model.

Claims (3)

1. a kind of control device of the constant current emergent identification lamp for charged pool of powering, it is characterised in that exchange and input including AC220V Interface, AC turn DC reduction voltage circuits, battery charge control circuit, battery, active and standby power conversion circuit, booster circuit, constant current driving electricity Road, battery voltage detection circuit, microcontroller and indicating circuit;The output terminal of the AC220V exchanges input interface is connected to described AC turns the input terminal of DC reduction voltage circuits;The 1st output terminal that the AC turns DC reduction voltage circuits is connected to the active and standby power conversion circuit Input terminal;The 2nd output terminal that the AC turns DC reduction voltage circuits passes sequentially through the battery charge control circuit and the battery Afterwards, it is connected to the input terminal of the active and standby power conversion circuit;The output terminal of the active and standby power conversion circuit passes sequentially through the liter After volt circuit and the constant-current drive circuit, the input terminal of the microcontroller is connected to;The output terminal of the microcontroller respectively with The battery charge control circuit is connected with the indicating circuit;The input terminal of the battery voltage detection circuit and the battery Connection;The output terminal of the battery voltage detection circuit is connected with the microcontroller.
2. the control device of the constant current emergent identification lamp of power supply charged pool according to claim 1, it is characterised in that described Microcontroller is STM32F030F4P6 model microcontrollers.
3. the control device of the constant current emergent identification lamp of power supply charged pool according to claim 1, it is characterised in that described Constant-current drive circuit includes:Voltage-stabiliser tube, the 23rd resistor, PNP triode, the 28th resistance, the 25th resistance and NPN triode;
The output terminal of the booster circuit is connected with one end of the 23rd resistor and one end of voltage-stabiliser tube respectively;23rd resistor The other end be connected to the emitter of PNP triode;The other end of voltage-stabiliser tube is connected to the base stage of PNP triode;PNP triode Collector and light emitting diode one end connect;In addition, the emitter of NPN triode is connected with the other end of light emitting diode After be grounded;The base stage of NPN triode is connected to the input terminal of microcontroller by the 28th resistance;The collector of NPN triode passes through After 25th resistance, the base stage of PNP triode is connected to.
CN201721313323.1U 2017-10-12 2017-10-12 The control device of the constant current emergent identification lamp of power supply charged pool Active CN207251972U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721313323.1U CN207251972U (en) 2017-10-12 2017-10-12 The control device of the constant current emergent identification lamp of power supply charged pool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721313323.1U CN207251972U (en) 2017-10-12 2017-10-12 The control device of the constant current emergent identification lamp of power supply charged pool

Publications (1)

Publication Number Publication Date
CN207251972U true CN207251972U (en) 2018-04-17

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Application Number Title Priority Date Filing Date
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Country Status (1)

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