CN204928314U - Emergent corridor LED lighting system - Google Patents

Emergent corridor LED lighting system Download PDF

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Publication number
CN204928314U
CN204928314U CN201520656401.2U CN201520656401U CN204928314U CN 204928314 U CN204928314 U CN 204928314U CN 201520656401 U CN201520656401 U CN 201520656401U CN 204928314 U CN204928314 U CN 204928314U
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China
Prior art keywords
circuit
chip microcomputer
led
lithium battery
batteries
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Expired - Fee Related
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CN201520656401.2U
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Chinese (zh)
Inventor
徐进
朱汉敏
王益
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Shanghai bears Mdt InfoTech Ltd
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Suzhou Institute of Trade and Commerce
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Priority to CN201520656401.2U priority Critical patent/CN204928314U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The utility model provides an emergent corridor LED lighting system, include: lithium battery circuit, light intensity collection circuit, IAP15F2K60S2 singlechip, LED drive circuit, infrared inductive switch, light intensity collection circuit and LED drive circuit respectively with the IAP15F2K60S2 singlechip links to each other, the IAP15F2K60S2 singlechip is used for the basis certainly the outside illumination intensity information output PWM ripples that the light intensity collection circuit was received extremely LED drive circuit to adjust the luminance of LED lamp, the IAP15F2K60S2 singlechip still with infrared inductive switch connects, infrared inductive switch be used for responding to infrared signal to the IAP15F2K60S2 singlechip sends the switching signal who makes the LED lamp light, the response of IAP15F2K60S2 singlechip switching signal passes through LED drive circuit control the bright of LED is gone out, lithium battery circuit respectively with IAP15F2K60S2 singlechip and LED drive circuit connect the power supply. When the outage, the different position emergent corridor LED lighting system of human process corridor are automatic to light the LED lamp according to the environment, reaches the purpose of illumination.

Description

Emergent corridor LED illumination System
Technical field
The utility model relates to a kind of emergent corridor LED illumination System.
Background technology
Current light fixture life, various illumination emerges in an endless stream, material, technique, outward appearance, each variant, but, they are series connection switch and the so simple loop of bulb mostly, smaller in space, under the environment that lighting requirement is not high, can use reluctantly, if but need in longer corridor or larger indoor, common illuminator is adopted to be difficult to meet the demands, because, space is very large, need multi-lamp assistance work, adopt common switch control rule, the inconvenience operated very, this just requires that the light fixture in certain limit has intellectuality, automatic switch.
But ordinary lamp and lantern is this shortcoming not only, and illumination is non-adjustable, be only their maximum drawbacks.Under power down mode, existing emergency light is all only use reserve battery bright light, and cannot regulate adaptively intensity of light.But in time at dusk or illumination stronger time period, there is no need full-load operation when emergency light is opened, also do not grow dark completely in outdoor after all.As long as now emergency light lamp exports at most the illumination of 50%, along with coming of the dim light of night, then adjustment illumination exports to entirely bright gradually.This process is not only the embodiment of hommization, a kind of effective measures energy-conservation especially.Equally, this also necessarily requires light fixture to have monitoring and capacity of self-regulation.
In addition, there is the problems such as waste is large, useful life is short, manual operation amount is large in traditional illumination system, " full night-light " illumination causes the waste of electric energy, and " midnight entirely goes out or partly turns off the light " causes night safety problem, the supervision therefore adopting a kind of emergent corridor LED illumination System to carry out science and intelligence seems particularly important.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of emergent corridor LED illumination System.
The one provided according to the utility model is met an urgent need corridor LED illumination System, comprising: lithium battery circuit, intensity collection circuit, IAP15F2K60S2 single-chip microcomputer, LED drive circuit, infrared sensing switch;
Described intensity collection circuit and LED drive circuit are connected with described IAP15F2K60S2 single-chip microcomputer respectively, described IAP15F2K60S2 single-chip microcomputer is used for exporting PWM ripple to described LED drive circuit according to the external light intensity information received from described intensity collection circuit, thus regulates the brightness of LED;
Described IAP15F2K60S2 single-chip microcomputer is also connected with described infrared sensing switch, described infrared sensing switch sends for responding to infrared signal the switching signal that LED is lighted to described IAP15F2K60S2 single-chip microcomputer, described IAP15F2K60S2 single-chip microcomputer responds the light on and off of described switching signal by described LED drive circuit control LED;
Described lithium battery circuit is connected with described IAP15F2K60S2 single-chip microcomputer and LED drive circuit respectively powers.
Further, amount of batteries Acquisition Circuit and amount of batteries indicating circuit is also comprised; Described amount of batteries Acquisition Circuit and amount of batteries indicating circuit are connected with described IAP15F2K60S2 single-chip microcomputer respectively, and described IAP15F2K60S2 single-chip microcomputer sends amount of batteries indication information according to the amount of batteries information received from described amount of batteries Acquisition Circuit to described amount of batteries indicating circuit.
Further, electricity warning circuit is also comprised; Described electricity warning circuit is connected with described IAP15F2K60S2 single-chip microcomputer, according to the amount of batteries information received from described amount of batteries Acquisition Circuit and the alarm threshold value of presetting, described IAP15F2K60S2 single-chip microcomputer judges that whether described lithium battery circuit is sufficient, under the state of described lithium battery quantity not sufficient, send electricity warning message to described electricity warning circuit.
Further, also comprise light intensity indicating circuit, described light intensity indicating circuit is connected with described IAP15F2K60S2 single-chip microcomputer, and described IAP15F2K60S2 single-chip microcomputer sends light intensity indication information according to the external light intensity information received from described intensity collection circuit to described light intensity indicating circuit.
Further, described lithium battery circuit also comprises: lithium battery, 5V voltage stabilizing circuit and charging circuit; Described lithium battery electricity lower than preset alarm threshold value state under, automatic or passive by described charging circuit by 220V alternating current power supply charging;
Described lithium battery is connected with described IAP15F2K60S2 single-chip microcomputer by described 5V voltage stabilizing circuit;
Described lithium battery is also connected with described LED drive circuit.
Further, described 5V voltage stabilizing circuit is LM1117-5 voltage stabilizing chip circuit.
Further, one according to claim 5 is met an urgent need corridor LED illumination System, it is characterized in that, described charging circuit comprises: half-wave rectifier, high pressure absorbing circuit, start-up circuit, switching circuit, sample circuit, switch transformer, rectifying output circuit;
Described 220V AC power is connected with described half-wave rectifier, described half-wave rectifier is connected with described high pressure absorbing circuit, start-up circuit respectively, described high pressure absorbing circuit is also connected with the armature winding of described switch transformer, the sampling winding of described switch transformer is connected with described switching circuit by described sample circuit, described switching circuit is also connected with described start-up circuit, and the secondary winding of described switch transformer is connected with described lithium battery by described rectifying output circuit.
Further, also button inputting circuits is comprised; Described IAP15F2K60S2 single-chip microcomputer is also connected with described button inputting circuits, and described button inputting circuits is used for described IAP15F2K60S2 single-chip microcomputer input debug signal.
Further, described button inputting circuits is the electronics self-locking button of bistable pressure.
Further, USB download circuit and single-pole double-throw switch (SPDT) circuit is also comprised; Described USB download circuit is connected with described IAP15F2K60S2 single-chip microcomputer and described single-pole double-throw switch (SPDT) circuit respectively; Described single-pole double-throw switch (SPDT) circuit is used for while USB download circuit described in conducting downloads for described IAP15F2K60S2 single-chip microcomputer provides cold start-up.
Compared with prior art, the utility model has following beneficial effect:
The utility model can arrange brightness and the shut-in time of light according to outside light conditions, the battery electric quantity in conjunction with lighting system arranges bright light duration and charging interval.The system that the utility model provides can also when night closes LED human body infrared signal, realize having detected people close to time bright light, detect human body away from after the Based Intelligent Control effect of turning off the light.When power is off, human body, through the automatic environmentally lightening LED lamp of corridor diverse location, reaches the object of illumination.The single-chip microcomputer that system is selected is a single-chip microcomputer IAP15F2K60S2 carrying ADC (analog to digital converter) of macrocrystalline company, carries the adjustable crystal oscillator 8MHz ~ 33MHz of software simultaneously, also can external crystal oscillator.Select the single-chip microcomputer carrying ADC can buy ADC chip in addition, and eliminate in IIC protocol procedure and greatly simplify, decrease the interference channel of peripheral environment to ADC, improve the reliability that hardware ADC gathers.Inner crystal oscillator can be used simultaneously, use programming software to adjust crystal oscillator size at any time, convenient debugging, and simplify circuit, improve the reliability of hardware.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is that one in embodiment is met an urgent need corridor LED illumination System structural representation;
Fig. 2 is that one in embodiment is met an urgent need corridor LED illumination System circuit diagram;
Fig. 3 is the circuit diagram of the charging circuit of a kind of lithium battery in embodiment;
Fig. 4 is the charging circuit schematic block diagram of a kind of lithium battery in embodiment;
Fig. 5 is a kind of infrared sensing switch circuit diagram in embodiment;
Fig. 6 is a kind of LED drive circuit figure in embodiment;
Fig. 7 is a kind of 5V voltage stabilizing circuit figure in embodiment.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in detail.Following examples will contribute to those skilled in the art and understand the utility model further, but not limit the utility model in any form.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, some distortion and improvement can also be made.These all belong to protection range of the present utility model.
The one that the utility model provides is met an urgent need corridor LED illumination System, and its system configuration schematic diagram as shown in Figure 1, comprising: lithium battery circuit, intensity collection circuit, IAP15F2K60S2 single-chip microcomputer, LED drive circuit, infrared sensing switch;
Described intensity collection circuit and LED drive circuit are connected with described IAP15F2K60S2 single-chip microcomputer respectively, described IAP15F2K60S2 single-chip microcomputer is used for exporting PWM ripple to described LED drive circuit according to the external light intensity information received from described intensity collection circuit, thus regulates the brightness of LED;
Described IAP15F2K60S2 single-chip microcomputer is also connected with described infrared sensing switch, described infrared sensing switch sends for responding to infrared signal the switching signal that LED is lighted to described IAP15F2K60S2 single-chip microcomputer, described IAP15F2K60S2 single-chip microcomputer responds the light on and off of described switching signal by described LED drive circuit control LED;
Described lithium battery circuit is connected with described IAP15F2K60S2 single-chip microcomputer and LED drive circuit respectively powers.
Described intensity collection circuit comprises some photosensitive probes that distribution is arranged, and for gathering the current illumination intensity information of corridor, provides reference frame for regulating the brightness of emergent corridor LED.
Described LED drive circuit is for driving the work of described emergent corridor LED and regulating the brightness of described emergent corridor LED.The PWM ripple that the adjustment process of described LED drive circuit is exported by IAP15F2K60S2 single-chip microcomputer determines.
In the present embodiment, the circuit diagram of whole system is see Fig. 2.The single-chip microcomputer that embodiment shown in Fig. 2 is selected is a single-chip microcomputer IAP15F2K60S2 carrying ADC (analog to digital converter) of macrocrystalline company, carries the adjustable crystal oscillator 8MHz ~ 33MHz of software simultaneously, also can external crystal oscillator.Select the single-chip microcomputer carrying ADC (analog to digital converter) ADC chip can be bought in addition, and eliminate in IIC protocol procedure and greatly simplify, decrease the interference channel of peripheral environment to ADC, improve the reliability that hardware ADC gathers.Inner crystal oscillator can be used simultaneously, use programming software to adjust crystal oscillator size at any time, convenient debugging, and simplify circuit, improve the reliability of hardware.
Described one corridor LED illumination System of meeting an urgent need also comprises USB download circuit and single-pole double-throw switch (SPDT) circuit; Described USB download circuit is connected with described IAP15F2K60S2 single-chip microcomputer and described single-pole double-throw switch (SPDT) circuit respectively; Described single-pole double-throw switch (SPDT) circuit is used for while USB download circuit described in conducting downloads for described IAP15F2K60S2 single-chip microcomputer provides cold start-up.
Because after system is installed, need to adjust original program according to actual conditions.If do not have an integrated download circuit, each debugging all will pull down single-chip microcomputer, more responsible, so the present embodiment is not when affecting integrated circuit, increases a USB download circuit.That download chip is selected is CH340T, and that crystal oscillator is selected is 12MHz.During with connecting circuit collaborative work, this USB downloads the function that mouth also has power supply.
The P1-P3 mouth of IAP15F2K60S2 single-chip microcomputer is the reference voltage mouth of ADC, and the present embodiment uses TL431 voltage stabilizing chip using 5V voltage stabilizing input as ADC reference voltage, and the input/output port of each single-chip microcomputer all has the pull-up resistor of a 10K.K1 is a single-pole double-throw switch (SPDT) circuit, is connected with USB download circuit, for providing cold start-up when downloading.The electrochemical capacitor of main circuit with a 47uF and the ceramic disc capacitor filtering High-frequency and low-frequency voltage fluctuation respectively of a 104pF, ensure the power supply ambient stable of single-chip microcomputer.Use the direct insertion red LED of a 3mm as the power supply indicator of this plate, show power supply state in real time.P1 mouth is numeral method bus interface, and P2 mouth is power supply/button bus interface, and P3 is that USB downloads bus interface, P4 is electricity show bus interface, and P5 is PWM output/sensor interface, and P6 is photo resistance interface, P7 is voltage acquisition interface, and P8 is buzzer interface.All plug receptacle specifications all select the male and female connector of 2.54mm.
The transducer of infrared sensing switch is infrared tube, comprises infrared transmitting tube and infrared receiving tube, is commonly used in the fields such as detection of obstacles.When human body being detected, S end exports high level, and to the wherein road during single-chip microcomputer P mouth control MAX73028 road exports, LED is opened, in time can't detect barrier (people), S holds output low level, and the LED of this position is extinguished.Where such people walks, and where bright light is just, and other lamp can not be bright.
Described infrared sensing switch comprises some PRR220 infrared sensors, and as shown in Figure 5, the infrared diode of 1,2 ends sends infrared light to connecting circuit, reflects and receives to the infrared receiving tube of 3,4 ends, when receiving infrared ray, then and 3,4 conductings.
1) when an obstacle is detected, now namely infrared receiving tube does not receive the infrared light reflected, and the infrared receiver triode cut-off of 3,4, then export a voltage at 3 pins of RPR220.If do not have barrier, 3 pins do not have voltage to export.
2) LM339 is four voltage comparators, and a chip has four comparators, because can not only go to track with a photoelectric sensor, at least wants three photoelectric devices, so can reduce costs the complexity with circuit with 339 comparators.5 pin of LM339 comparator are reference voltages, and the present embodiment variable resistance W1 is transferred to 2.5V, then the voltage (being namely the voltage that 3 pin of RPR220 export) of 4 pin with LM339 comparator compares.
The present embodiment is provided with 8 road infrared tube transducers altogether in actual installation, is placed on 8 positions in corridor.
As a kind of embodiment, a kind of emergent corridor LED illumination System also comprises amount of batteries Acquisition Circuit and amount of batteries indicating circuit; Described amount of batteries Acquisition Circuit and amount of batteries indicating circuit are connected with described IAP15F2K60S2 single-chip microcomputer respectively, and described IAP15F2K60S2 single-chip microcomputer sends amount of batteries indication information according to the amount of batteries information received from described amount of batteries Acquisition Circuit to described amount of batteries indicating circuit.
As a kind of embodiment, a kind of emergent corridor LED illumination System also comprises electricity warning circuit; Described electricity warning circuit is connected with described IAP15F2K60S2 single-chip microcomputer, according to the amount of batteries information received from described amount of batteries Acquisition Circuit and the alarm threshold value of presetting, described IAP15F2K60S2 single-chip microcomputer judges that whether described lithium battery circuit is sufficient, under the state of described lithium battery quantity not sufficient, send electricity warning message to described electricity warning circuit.
As a kind of embodiment, a kind of emergent corridor LED illumination System also comprises light intensity indicating circuit, described light intensity indicating circuit is connected with described IAP15F2K60S2 single-chip microcomputer, and described IAP15F2K60S2 single-chip microcomputer sends light intensity indication information according to the external light intensity information received from described intensity collection circuit to described light intensity indicating circuit.The charactron that described light intensity indicating circuit and amount of batteries indicating circuit adopt is two four eight segment numeral pipes, and the driving chip of use is 74HC595, uses serial input mode to save I/O port.Each charactron pin has added 5K current-limiting resistance, prevents overcurrent from burning out charactron.
As a kind of embodiment, described lithium battery circuit also comprises: lithium battery, 5V voltage stabilizing circuit and charging circuit; Described lithium battery electricity lower than preset alarm threshold value state under, automatic or passive by described charging circuit by 220V alternating current power supply charging;
Described lithium battery is connected with described IAP15F2K60S2 single-chip microcomputer by 5V voltage stabilizing circuit described in Fig. 7;
Described lithium battery is also connected with described LED drive circuit.
The PWM brightness regulation of LED is controlled also can realize by carrying out open and close to LED power.Described LED drive circuit as shown in Figure 6.Wherein, the output port of a slice MAX7302 chip is connected to the negative electrode of LED, and every road output port is as an independently brilliance control port, and the signal according to infrared electro inductive switch sends I by single-chip microcomputer 2the corresponding output port of C order MAX7302 chip controls lights the LED of relevant position.Circuit shown in Fig. 6 utilizes mosfet transistor to be connected with LED as switching device, contributes to raising the efficiency.PWM ripple exports and controls to provide extra brightness regulation for LED.The light intensity that single-chip microcomputer detects according to photo resistance sends the pwm signal of the empty ratio of difference to LED driver, and PWM waveform can by software control.The program, by the size of a pwm signal Duty ratio control mosfet transistor grid source electric current, reaches the object of brightness regulation.
Infrared tube optoelectronic switch is arranged on multiple position, when detecting that someone passes through, trigger high level to single-chip microcomputer, (totally 8, P1 mouth), single-chip microcomputer is according to different P1 mouths (P10-P17), select then ground connection by I2C bus to eight road P1-P8 of LED control chip MAX7302 chip, thus light the LED of correspondence position.Single-chip microcomputer exports the PWM of different duty according to the resistance of photo resistance simultaneously, regulates the size of current of MOSFET, thus regulates the brightness of LED.
As a kind of embodiment, as shown in Figure 7,5V voltage stabilizing circuit is LM1117-5 voltage stabilizing chip circuit.Lithium battery circuit voltage one tunnel powers to single-chip microcomputer after the voltage stabilizing of LM1117-5 voltage stabilizing chip circuit and the chip MAX7302 of LED drive circuit powers, and the MOSFET that another road is directly LED drive circuit without voltage stabilizing powers.
As a kind of embodiment, described charging circuit comprises: half-wave rectifier, high pressure absorbing circuit, start-up circuit, switching circuit, sample circuit, switch transformer, rectifying output circuit;
Described 220V AC power is connected with described half-wave rectifier, described half-wave rectifier is connected with described high pressure absorbing circuit, start-up circuit respectively, described high pressure absorbing circuit is also connected with the armature winding of described switch transformer, the sampling winding of described switch transformer is connected with described switching circuit by described sample circuit, described switching circuit is also connected with described start-up circuit, and the secondary winding of described switch transformer is connected with described lithium battery by described rectifying output circuit.
The charging circuit block diagram of lithium battery is see Fig. 3 and Fig. 4.220V exchanges input, one end through 4007 halfwave rectifier, the other end after the resistance in 10 Europe, by 10 μ F capacitor filterings.The resistance in this 10 Europe is used for doing to be protected, and cause overcurrent if to break down etc. below, so this resistance will be blown, thus avoid causing larger fault.The second half-wave rectifier 4007 be connected with described 4007 halfwave rectifier, 4700pF electric capacity, 82k Ω resistance, form a high pressure absorbing circuit, when switching transistor 13003 (switching circuit in corresponding diagram 4) turns off, high pressure absorbing circuit is responsible for the induced voltage on absorbing coil, thus prevents high pressure be added on switching transistor 13003 and cause puncturing.Wherein, switching transistor 13003 (complete name should be MJE13003) withstand voltage 400V, maximum collector currnt 1.5A, maximum collector power consumption is 14W, the switching be used between the armature winding of control switch transformer and power supply.When armature winding ceaselessly break-make time, will in switch transformer the magnetic field of formation and modification, thus produce induced voltage in the secondary winding of switch transformer, form flyback power supply.
In Fig. 3,510k Ω is starting resistance (start-up circuit in corresponding diagram 4), provides the base current started to switching transistor 13003.The 10 Ω resistance that switching transistor 13003 collector electrode connects are current sampling resistor (sample circuit in corresponding diagram 4), electric current becomes voltage (its value is 10*I) after sampling, this voltage, after diode 4148, adds in the base stage of triode C945.When sampling voltage is approximately greater than 1.4V, namely when switching tube electric current is greater than 0.14A, triode C945 conducting, thus the base voltage of switching transistor 13003 is dragged down, thus collector current reduces, so just limit the electric current of switching transistor, prevent switching transistor from burning because electric current is excessive (this is a constant current structure in fact, and the maximum current of switching tube is limited in about 140mA).The induced voltage of the winding (sampling winding) of transformer lower left, through rectifier diode 4148 rectification, forms sampling voltage after 22 μ F capacitor filterings.In order to easy analysis, get triode C945 emitter one end for ground.So this sampling voltage is exactly negative (about-4V), and when output voltage is higher, sampled voltage is more negative.Sampling voltage, after 6.2V voltage stabilizing didoe, adds to the base stage of switching tube 13003.When output voltage is higher, sampling voltage is more negative, when bearing to a certain extent, 6.2V voltage stabilizing didoe is breakdown, thus the base potential of switch 13003 is dragged down, this will cause switching tube to disconnect or postpone the conducting of switch, thus control energy and be input in transformer, also just control the rising of output voltage, achieve the function that voltage stabilizing exports.And the 1k Ω resistance of below is with the 2700pF electric capacity of series connection, be then positive feedback branch, from sampling winding, take out induced voltage, be added in the base stage of switching tube, to maintain vibration.The secondary winding of switch transformer is through diode RF93 rectification, and the voltage exporting 6V after 220 μ F capacitor filterings is described lithium cell charging.
As a kind of embodiment, a kind of emergent corridor LED illumination System also comprises button inputting circuits; Described IAP15F2K60S2 single-chip microcomputer is also connected with described button inputting circuits, and described button inputting circuits is used for described IAP15F2K60S2 single-chip microcomputer input debug signal.
As a kind of embodiment, described button inputting circuits is the electronics self-locking button of bistable pressure.Consider standard machinery self-locking button, after a certain number of uses, due to mechanical wear, be easy to break down, so in order to useful life of strengthening button and control effects, the present embodiment adopts the design of electronics self-locking button.
Above specific embodiment of the utility model is described.It is to be appreciated that the utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.

Claims (10)

1. an emergent corridor LED illumination System, is characterized in that, comprising: lithium battery circuit, intensity collection circuit, IAP15F2K60S2 single-chip microcomputer, LED drive circuit, infrared sensing switch;
Described intensity collection circuit and LED drive circuit are connected with described IAP15F2K60S2 single-chip microcomputer respectively, described IAP15F2K60S2 single-chip microcomputer is used for exporting PWM ripple to described LED drive circuit according to the external light intensity information received from described intensity collection circuit, thus regulates the brightness of LED;
Described IAP15F2K60S2 single-chip microcomputer is also connected with described infrared sensing switch, described infrared sensing switch sends for responding to infrared signal the switching signal that LED is lighted to described IAP15F2K60S2 single-chip microcomputer, described IAP15F2K60S2 single-chip microcomputer responds the light on and off of described switching signal by described LED drive circuit control LED;
Described lithium battery circuit is connected with described IAP15F2K60S2 single-chip microcomputer and LED drive circuit respectively powers.
2. one according to claim 1 is met an urgent need corridor LED illumination System, it is characterized in that, also comprises amount of batteries Acquisition Circuit and amount of batteries indicating circuit; Described amount of batteries Acquisition Circuit and amount of batteries indicating circuit are connected with described IAP15F2K60S2 single-chip microcomputer respectively, and described IAP15F2K60S2 single-chip microcomputer sends amount of batteries indication information according to the amount of batteries information received from described amount of batteries Acquisition Circuit to described amount of batteries indicating circuit.
3. one according to claim 2 is met an urgent need corridor LED illumination System, it is characterized in that, also comprises electricity warning circuit; Described electricity warning circuit is connected with described IAP15F2K60S2 single-chip microcomputer, according to the amount of batteries information received from described amount of batteries Acquisition Circuit and the alarm threshold value of presetting, described IAP15F2K60S2 single-chip microcomputer judges that whether described lithium battery circuit is sufficient, under the state of described lithium battery quantity not sufficient, send electricity warning message to described electricity warning circuit.
4. one according to claim 1 is met an urgent need corridor LED illumination System, it is characterized in that, also comprise light intensity indicating circuit, described light intensity indicating circuit is connected with described IAP15F2K60S2 single-chip microcomputer, and described IAP15F2K60S2 single-chip microcomputer sends light intensity indication information according to the external light intensity information received from described intensity collection circuit to described light intensity indicating circuit.
5. one according to claim 1 is met an urgent need corridor LED illumination System, and it is characterized in that, described lithium battery circuit also comprises: lithium battery, 5V voltage stabilizing circuit and charging circuit; Described lithium battery electricity lower than preset alarm threshold value state under, automatic or passive by described charging circuit by 220V alternating current power supply charging;
Described lithium battery is connected with described IAP15F2K60S2 single-chip microcomputer by described 5V voltage stabilizing circuit;
Described lithium battery is also connected with described LED drive circuit.
6. one according to claim 5 is met an urgent need corridor LED illumination System, and it is characterized in that, described 5V voltage stabilizing circuit is LM1117-5 voltage stabilizing chip circuit.
7. one according to claim 5 is met an urgent need corridor LED illumination System, and it is characterized in that, described charging circuit comprises: half-wave rectifier, high pressure absorbing circuit, start-up circuit, switching circuit, sample circuit, switch transformer, rectifying output circuit;
Described 220V AC power is connected with described half-wave rectifier, described half-wave rectifier is connected with described high pressure absorbing circuit, start-up circuit respectively, described high pressure absorbing circuit is also connected with the armature winding of described switch transformer, the sampling winding of described switch transformer is connected with described switching circuit by described sample circuit, described switching circuit is also connected with described start-up circuit, and the secondary winding of described switch transformer is connected with described lithium battery by described rectifying output circuit.
8. one according to claim 1 is met an urgent need corridor LED illumination System, it is characterized in that, also comprises button inputting circuits; Described IAP15F2K60S2 single-chip microcomputer is also connected with described button inputting circuits, and described button inputting circuits is used for described IAP15F2K60S2 single-chip microcomputer input debug signal.
9. one according to claim 8 is met an urgent need corridor LED illumination System, and it is characterized in that, described button inputting circuits is the electronics self-locking button of bistable pressure.
10. one according to claim 1 is met an urgent need corridor LED illumination System, it is characterized in that, also comprises USB download circuit and single-pole double-throw switch (SPDT) circuit; Described USB download circuit is connected with described IAP15F2K60S2 single-chip microcomputer and described single-pole double-throw switch (SPDT) circuit respectively; Described single-pole double-throw switch (SPDT) circuit is used for while USB download circuit described in conducting downloads for described IAP15F2K60S2 single-chip microcomputer provides cold start-up.
CN201520656401.2U 2015-08-27 2015-08-27 Emergent corridor LED lighting system Expired - Fee Related CN204928314U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106658861A (en) * 2017-01-10 2017-05-10 中山市新邦照明电器有限公司 Illumination sensing alarm lamp
CN109921509A (en) * 2017-12-30 2019-06-21 湖南汇博电子科技股份有限公司 Method for controlling power supply and system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106658861A (en) * 2017-01-10 2017-05-10 中山市新邦照明电器有限公司 Illumination sensing alarm lamp
CN106658861B (en) * 2017-01-10 2018-04-24 中山市新邦照明电器有限公司 One kind illumination induction alarm lamp
CN109921509A (en) * 2017-12-30 2019-06-21 湖南汇博电子科技股份有限公司 Method for controlling power supply and system

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