CN207321600U - One kind self-regulation brightness cage illumination circuit - Google Patents

Abstract

The utility model discloses one kind self-regulation brightness cage illumination circuit, including power module of voltage regulation circuit, display module circuit, key-press module hardware circuit, buzzer modular circuit, analog-to-digital conversion module circuit, photosensitive resistance sensor circuit, bluetooth module circuit and LED drive circuit.This self-regulation brightness cage illumination circuit is with the core of microcontroller U4 devices in order to control, train carriage LED illumination System is controlled by the collective effect of key-press module hardware circuit, analog-to-digital conversion module circuit, display module circuit, LED drive circuit, photosensitive resistance sensor circuit and bluetooth module circuit, effectively improve utilization rate of electrical, improve the quality of life of people, extend lamp life, working environment is improved, is improved work efficiency, has saved power cost and administration fee.

Description

One kind self-regulation brightness cage illumination circuit

Technical field

Lighting technical field is the utility model is related to, is specially a kind of self-regulation brightness cage illumination circuit.

Background technology

At present, the lighting system that in the market uses is how low, high using incandescent lamp, fluorescent lamp as light source, generally existing efficiency Energy consumption, be not easy to dim, and lighting system function is more single, lacks the functions such as brightness regulation, real-time display, can not adapt to modern city The demand of field, to solve current problem, the utility model devises the Multifunctional light-regulating system using AT89C51 microcontrollers as core System is, it can be achieved that PWM brightness adjustment controls to LED illumination System, and energy-efficient while, great side is provided for passenger's use Just.According to the statistics of relevant department, it is higher that the power consumption of train lighting system occupies train total electricity consumption, therefore improves illumination system The energy saving of system, the sustainable development for promoting whole railway track traffic has very important important function, energy saving to subtract Row is this century topic the most popular, the products of many highly energy-consumings being eliminated gradually, replace all be energy-saving and environmental protection, Efficient high-new technology products；At present, it is most widely used in the industrial products of lamp product, energy-saving lamp, LED known to us Lamp all plays huge effect.Wherein LED is as forth generation illuminating product；It is with luminous efficiency is high, energy consumption is low, the service life It is long, response is fast, without stroboscopic, the features such as not mercurous, pollution-free and control is flexible；In order to Promote Sustainable Development and energy-saving and emission-reduction into Journey, promotes LED lamp application, improves the utilization rate of electric energy, has saved electric energy, while easy to adjust the brightness of lamp, therefore need One kind self-regulation brightness cage illumination circuit.

Utility model content

The purpose of this utility model is to provide one kind self-regulation brightness cage illumination circuit, there is utilization rate of electrical height, The advantages of extending lamp life, improve working environment, improve work efficiency, having saved power cost and administration fee, Solve high energy consumption in the prior art, be not easy to dim, lighting system function is more single, lacks brightness regulation level real-time display etc. The problem of function.

To achieve the above object, the utility model provides following technical solution：One kind self-regulation brightness cage illumination circuit, Including power module of voltage regulation circuit, display module circuit, key-press module hardware circuit, buzzer modular circuit, analog-to-digital conversion mould Block circuit, photosensitive resistance sensor circuit, bluetooth module circuit and LED drive circuit, the power module of voltage regulation circuit is with showing Show modular circuit, key-press module hardware circuit, buzzer modular circuit, analog-to-digital conversion module circuit, photosensitive resistance sensor electricity Road, bluetooth module circuit and LED drive circuit are electrically connected, and buzzer modular circuit is electrically connected microcontroller U5, and key-press module is hard Part circuit, buzzer modular circuit, analog-to-digital conversion module circuit, photosensitive resistance sensor circuit, bluetooth module circuit and LED drive Dynamic circuit is electrically connected with microcontroller U5.

Preferably, the power module of voltage regulation circuit includes chip U1, and the pin 1 of chip U1 concatenates power end VCC, power supply Hold the output terminal shunt-wound capacitance C9 ground connection of VCC, the pin 4 of the pin 5 serial capacitance C10 and capacitance C12 and chip U1 of chip U1 It is electrically connected, the input terminal of the 3 shunt-wound capacitance C10 of pin of chip U1, the output terminal of the input terminal shunt-wound capacitance C9 of capacitance C10, core The pin 2 of piece U1 connects the input terminal of diode D13 and capacitance C10 and connects, the 4 connecting resistance R15's of pin and capacitance C10 of chip U1 Input terminal simultaneously connects, and the output terminal of the input terminating resistor R19 and resistance R12 and capacitance C10 of resistance R15 simultaneously connect, and resistance R15's is defeated Enter terminating resistor R19, the output terminal of diode D13 simultaneously meets integrated regulator LM1 and meets power output end Vout.

Preferably, pin 1 of the display module circuit including brilliant display module liquid U2, LCD MODULE U2 is grounded, The pin 2 of LCD MODULE U2 connects power end VCC, the output terminating resistor R16 ground connection of power end VCC, LCD MODULE The pin 19 of the pin 3 connecting resistance R16, LCD MODULE U2 of U2 connect power end, and the pin 20 of LCD MODULE U2 is grounded.

Preferably, the key-press module hardware circuit includes switch S1, switch S2, switch S3 and switch S4, and switch S1, open The output terminal for closing S2, switch S3 and switch S4 is grounded.

Preferably, the buzzer modular circuit includes buzzer U3, the output head grounding of buzzer U3, buzzer U3's The emitter of input termination triode Q1, the base stage series resistor R13 of triode Q1 meet the pin 23 of microcontroller U4, triode Q1 Collector series connection resistance R14 meet the pin 40 of microcontroller U4, the pin (32-39) of microcontroller U4 and the pin (14- of chip U1 7) it is sequentially connected electrically, the output terminal of switch (S1-S4) is electrically connected with the pin (8-5) of microcontroller U4 successively.

Preferably, the analog-to-digital conversion module circuit includes chip ADC0832, human body heat-releasing electric transducer D3 and photosensitive electricity Sensor R6 is hindered, the pin 1 of chip ADC0832 connects the pin 3 of microcontroller U4, and the pin 2 of chip ADC0832 connects human body pyroelectricity The pin 2 of sensor D3, the pin 3 of human body heat-releasing electric transducer D3 are grounded, and the pin 1 of human body heat-releasing electric transducer D3 concatenates electricity Holding the pin 10 that C3 meets microcontroller U4, the output terminal of the input termination switch S6 and capacitance C3 of the pin 10 of microcontroller U4 simultaneously connect, The input termination power end VCC of S6 is switched, the pin 3 of chip ADC0832 connects the pin 1 of photosensitive resistance sensor R6, photosensitive electricity The pin 3 of resistance sensor R6 is grounded, and the pin 4 of photosensitive resistance sensor R6 meets power end VCC, and the pin 4 of chip ADC0832 connects Ground, the pin 8 of chip ADC0832 meet power end VCC, and the pin 7 of chip ADC0832 connects the pin 2 of microcontroller U4, chip The pin 6 of ADC0832 connects the pin 1 of microcontroller U4, the pin 5 of chip ADC0832 and the pin 1 for meeting microcontroller U4.

Preferably, the photosensitive resistance sensor circuit includes difference amplifier U5, and the pin 4 of difference amplifier U5 connects defeated Go out terminal D0, the pin 1 series resistor R4 and resistance R5 of difference amplifier U5 connects the pin 4 of difference amplifier U5, resistance R5's Simultaneously sending and receiving optical diode D2 and resistance R6 is electrically connected input terminal with the output terminal of resistance R5, the output terminal shunt-wound capacitance C1 of resistance R4 Ground connection, the output terminal of the input terminal sending and receiving optical diode D1 and resistance R1 and capacitance C1 of capacitance C1 simultaneously connect, light emitting diode D1's Input termination slide rheostat R2 ground connection, slide rheostat R2 connect the pin 2 of difference amplifier U5, the input termination light of resistance R4 The input terminal of quick resistance R3 and slide rheostat R2 simultaneously connects, and the pin 3 of difference amplifier U5 connects the input terminal of slide rheostat R2, The input terminal shunt-wound capacitance C2 of photo resistance R3 connects the pin 3 of difference amplifier U5, the input termination input terminal of photo resistance R3 The pin 5 of sub- A0, difference amplifier U5 meet power end VCC.

Preferably, the bluetooth module circuit includes chip U6, and 12 connecting resistance R18 of the pin ground connection of chip U6, hinders R18's Input termination switch S5 connects power end V3.3V, 9 series resistor R20 of pin and the LED light ground connection of chip U6, the pin of chip U6 The pin 4 of 13 contact relay J1, the pin 5 of the 14 contact relay J1 of pin of chip U6, the pin 3 of J1 are grounded, and the pin 2 of J1 connects The 1 series resistor R21 of pin of power end VCC, J1 connect the pin 3 of chip U7, and the pin 1 of chip U7 meets diode D4 and connects power end The output terminal of the output terminating resistor R22 and resistance R21 of VCC, diode D4 simultaneously connect, and the pin 2 of chip U7 meets capacitance C4 and two The output terminal of pole pipe D4 simultaneously connects, and the pin 1 of the output termination capacitor C5 and chip U7 of capacitance C4 simultaneously connect, and the pin 4 of chip U7 connects The pin 5 of the output termination capacitor C7 and chip U7 of power end VCC, power end VCC are electrically connected, the output termination capacitor of capacitance C7 The pin 4 of C6 and chip U7 simultaneously connects.

Preferably, the LED drive circuit includes driving chip PT4115, the 3 order piece of pin of driving chip PT4115 The pin 21 of machine U4, the pin 1 of driving chip PT4115 concatenate integrated regulator LM2, light emitting diode D8 and resistance R17 and connect The pin 40 of microcontroller U4, the input terminal of resistance R17 and the pin 5 for meeting driving chip PT4115, the output terminal of resistance R17 simultaneously connect The pin 4 of driving chip PT4115, the pin of the output terminating diode D6 and driving chip PT4115 of integrated regulator LM2 5 and connecing, the pin 2 of driving chip PT4115 is grounded, and the 2 serial capacitance C11 of pin of driving chip PT4115 meets power end VCC, The input terminal of the output terminating resistor R17 of power end VCC.

Compared with prior art, the beneficial effects of the utility model are as follows：

This self-regulation brightness cage illumination circuit passes through key-press module hardware electricity with the core of microcontroller U4 devices in order to control Road, analog-to-digital conversion module circuit, display module circuit, LED drive circuit, photosensitive resistance sensor circuit and bluetooth module circuit Collective effect control train carriage LED illumination System, key-press module hardware circuit and photosensitive resistance sensor circuit are determined jointly Determine lighting system working method, the analog quantity and digital quantity and current work that display module circuit real-time display sensor detects Operation mode, LED drive circuit are adjusted the brightness of illumination of train carriage LED light by the PWM ripples of input, pass through bluetooth module circuit The remote control to train carriage LED illumination System can be realized with mobile phone app, and the voltage of input is adjusted electricity by chip U1 The voltage of position device output 5V provides power supply for LED drive system, and voltage reduction module output connects microcontroller, is microcontroller and other modules Electric power system realizes the brightness regulation of LED light using microcontroller as main control, effective based on the self-regulation brightness cage illumination circuit Ground improves utilization rate of electrical, ensure that the light intensity appropriateness of indoor lamp, improves the quality of life of people, can be provided for people While enough brightness of illumination, a comfortable visual environment is created for people, effectively reduces light pollution, and can be Lamp life is extended to a certain extent, improves working environment, is improved work efficiency, and is effectively saved power cost and pipe Reason expense.

Brief description of the drawings

Fig. 1 is the integrated circuit figure of the utility model；

Fig. 2 is the power module of voltage regulation circuit diagram of the utility model；

Fig. 3 is the display module circuit diagram of the utility model；

Fig. 4 is the key-press module hardware circuit diagram of the utility model；

Fig. 5 is the buzzer module circuit diagram of the utility model；

Fig. 6 is the analog-to-digital conversion module circuit diagram of the utility model；

Fig. 7 is the photosensitive resistance sensor circuit diagram of the utility model；

Fig. 8 is the bluetooth module circuit diagram of the utility model；

Fig. 9 is the LED drive circuit figure of the utility model.

Embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.

Please refer to Fig.1-9, one kind self-regulation brightness cage illumination circuit, including power module of voltage regulation circuit, display module Circuit, key-press module hardware circuit, buzzer modular circuit, analog-to-digital conversion module circuit, photosensitive resistance sensor circuit, bluetooth Modular circuit and LED drive circuit, power module of voltage regulation circuit and display module circuit, key-press module hardware circuit, buzzer Modular circuit, analog-to-digital conversion module circuit, photosensitive resistance sensor circuit, bluetooth module circuit and LED drive circuit are electrically connected Connect, buzzer modular circuit is electrically connected microcontroller U5, key-press module hardware circuit, buzzer modular circuit, analog-to-digital conversion module Circuit, photosensitive resistance sensor circuit, bluetooth module circuit and LED drive circuit are electrically connected with microcontroller U5；Regulated power supply Modular circuit includes chip U1, and the pin 1 of chip U1 concatenates power end VCC, and the output terminal shunt-wound capacitance C9 of power end VCC connects Ground, the pin 5 serial capacitance C10 and capacitance C12 of chip U1 are electrically connected with the pin 4 of chip U1, and the pin 3 of chip U1 simultaneously connects electricity Hold the input terminal of C10, the output terminal of the input terminal shunt-wound capacitance C9 of capacitance C10, the pin 2 of chip U1 meets diode D13 and electricity Hold the input terminal of C10 and connect, the input terminal of the pin 4 connecting resistance R15 and capacitance C10 of chip U1 simultaneously connects, the input terminal of resistance R15 The output terminal of connecting resistance R19 and resistance R12 and capacitance C10 simultaneously connects, the input terminating resistor R19 of resistance R15, diode D13's Output terminal simultaneously meets integrated regulator LM1 and meets power output end Vout；Display module circuit includes LCD MODULE U2, liquid crystal The pin 1 of display module U2 is grounded, and the pin 2 of LCD MODULE U2 connects power end VCC, the output termination electricity of power end VCC R16 ground connection is hindered, the 3 connecting resistance R16 of pin of LCD MODULE U2, the pin 19 of LCD MODULE U2 connects power end, liquid crystal The pin 20 of display module U2 is grounded；Key-press module hardware circuit includes switch S1, switch S2, switch S3 and switch S4, switch S1, the output terminal for switching S2, switching S3 and switching S4 are grounded；Buzzer modular circuit includes buzzer U3, buzzer U3's Output head grounding, the emitter of the input termination triode Q1 of buzzer U3, the base stage series resistor R13 order pieces of triode Q1 The pin 23 of machine U4, the collector series connection resistance R14 of triode Q1 meet the pin 40 of microcontroller U4, the pin (32- of microcontroller U4 39) pin (14-7) with chip U1 is sequentially connected electrically, and switchs the output terminal pin (8- with microcontroller U4 successively of (S1-S4) 5) it is electrically connected；Analog-to-digital conversion module circuit includes chip ADC0832, human body heat-releasing electric transducer D3 and photosensitive resistance sensor The pin 1 of R6, chip ADC0832 connect the pin 3 of microcontroller U4, and the pin 2 of chip ADC0832 meets human body heat-releasing electric transducer D3 Pin 2, the pin 3 of human body heat-releasing electric transducer D3 is grounded, the 1 serial capacitance C3 orders of pin of human body heat-releasing electric transducer D3 The pin 10 of piece machine U4, the output terminal of the input termination switch S6 and capacitance C3 of the pin 10 of microcontroller U4 simultaneously connect, and switch S6's Input termination power end VCC, the pin 3 of chip ADC0832 connect the pin 1 of photosensitive resistance sensor R6, photosensitive resistance sensor The pin 3 of R6 is grounded, and the pin 4 of photosensitive resistance sensor R6 meets power end VCC, and the pin 4 of chip ADC0832 is grounded, chip The pin 8 of ADC0832 meets power end VCC, and the pin 7 of chip ADC0832 connects the pin 2 of microcontroller U4, and chip ADC0832's draws Foot 6 connects the pin 1 of microcontroller U4, the pin 5 of chip ADC0832 and the pin 1 for meeting microcontroller U4；Photosensitive resistance sensor circuit Including difference amplifier U5, the pin 4 of difference amplifier U5 connects lead-out terminal D0,1 series resistor of pin of difference amplifier U5 R4 and resistance R5 connects the pin 4 of difference amplifier U5, the input terminal and sending and receiving optical diode D2 and resistance R6 and resistance of resistance R5 The output terminal of R5 is electrically connected, the output terminal shunt-wound capacitance C1 ground connection of resistance R4, the input terminal sending and receiving optical diode D1 of capacitance C1 and The output terminal of resistance R1 and capacitance C1 simultaneously connects, the input termination slide rheostat R2 ground connection of light emitting diode D1, slide rheostat R2 connects the pin 2 of difference amplifier U5, and the input terminal of the input termination photo resistance R3 and slide rheostat R2 of resistance R4 simultaneously connects, The pin 3 of difference amplifier U5 connects the input terminal of slide rheostat R2, and the input terminal shunt-wound capacitance C2 of photo resistance R3 connects difference The pin 3 of amplifier U5, the input termination input terminal A0 of photo resistance R3, the pin 5 of difference amplifier U5 connect power end VCC；Bluetooth module circuit includes chip U6, and the 12 connecting resistance R18 of pin of chip U6 is grounded, and hinders the input termination switch S5 of R18 Power end V3.3V is met, the 9 series resistor R20 of pin and LED light of chip U6 are grounded, the 13 contact relay J1's of pin of chip U6 Pin 4, the pin 5 of the 14 contact relay J1 of pin of chip U6, the pin 3 of J1 are grounded, and the pin 2 of J1 meets power end VCC, J1's 1 series resistor R21 of pin connects the pin 3 of chip U7, and the pin 1 of chip U7 meets diode D4 and meets power end VCC, diode D4's Export the output terminal of terminating resistor R22 and resistance R21 and connect, the pin 2 of chip U7 connects the output terminal of capacitance C4 and diode D4 And connect, the pin 1 of the output termination capacitor C5 and chip U7 of capacitance C4 simultaneously connect, and the pin 4 of chip U7 connects power end VCC, power supply The pin 5 of the output termination capacitor C7 and chip U7 of VCC is held to be electrically connected, the output termination capacitor C6 of capacitance C7 and drawing for chip U7 Foot 4 simultaneously connects；LED drive circuit includes driving chip PT4115, and the pin 3 of driving chip PT4115 connects the pin of microcontroller U4 The pin 1 of 21, driving chip PT4115 concatenate integrated regulator LM2, light emitting diode D8 and resistance R17 and connect microcontroller U4's Pin 40, the input terminal of resistance R17 and the pin 5 for meeting driving chip PT4115, the output terminal of resistance R17 simultaneously connect driving chip The pin 4 of PT4115, the pin 5 of the output terminating diode D6 and driving chip PT4115 of integrated regulator LM2 simultaneously connect, and drive The pin 2 of dynamic chip PT4115 is grounded, and the 2 serial capacitance C11 of pin of driving chip PT4115 meets power end VCC, power end VCC Output terminating resistor R17 input terminal；Power module of voltage regulation circuit in the self-regulation brightness cage illumination circuit is outside After 220V voltages are switched to 12V DC voltage by portion's equipment, the voltage of input is adjusted by potentiometer by chip U1 and exports 5V Voltage for display module circuit, key-press module hardware circuit, buzzer modular circuit, analog-to-digital conversion module circuit, photosensitive electricity Hinder sensor circuit, bluetooth module circuit and LED drive circuit and the power supply of microcontroller U4 lamps；Liquid crystal in display module circuit Showing on module U2 has 20 pins, and the numerical value of sensor reading, real-time display Working mould are shown by LCD MODULE U2 Formula；Key-press module hardware circuit is mainly used for being determined illumination system operating mode, and switch S1 represents automatic mode, automatically Pattern determines whether cage illumination lamp is bright and bright jointly by human body heat-releasing electric transducer D3 and photosensitive resistance sensor R6 Degree, AD values are smaller, represent that light is stronger, then LED light brightness is then smaller, and vice versa, switch S2 table manual modes, switch S3 Brightness increase is represented, switch S4 represents brightness reduction, and in the case of manual mode is pressed, the operating mode of lighting system is from biography The influence of sensor value, is determined by manual key, and switch S3 and switch S4 determine that the brightness of LED light increases and decreases；Buzzer Triode Q1 uses 8050 models in modular circuit, is NPN transistors, and when pushing button every time, buzzer U3 can Alarm sends sound, and buzzer circuit plays key prompting voice；Analog-to-digital conversion module circuit mainly has two effects, the One：The photosensitive resistance sensor R6 light intensity read is converted into digital quantity, second：Read the low and high level of human body induction module Value；Photosensitive resistance sensor R6 uses CH1 passages when being AD converted, and human body heat-releasing electric transducer D3 is AD converted When using CHO passages；Photosensitive resistance sensor circuit includes two sensors, be respectively photosensitive resistance sensor R6 and Human body heat-releasing electric transducer D3, human body heat-releasing electric transducer D3 are digital sensors, judge have not by exporting low and high level The presence of someone, photosensitive resistance sensor R6 can select digital quantity, can select analog interface, this photosensitive resistance sensor R6 uses analog interface, and light intensity is converted into the magnitude of voltage of consecutive variations by photosensitive resistance sensor；Bluetooth module circuit Chip U6 is HC-05 bluetooth modules, and being mainly used for same cell phone application is associated, and realizes to the long-range distant of carriage LED illumination System Control, HC-05 is the Bluetooth chip that a principal and subordinate can integrally be set, and has the function of traditional bluetooth technology, and communication distance is reachable Tens of rice, have stronger penetration capacity；The interface of HC-05 bluetooth modules has three kinds of serial ports, SPI interface, USB interface communication parties Formula, we select serial communication in the train carriage LED illumination System based on microcontroller U4, and bluetooth serial ports debugging needs USB Turn the auxiliary of TTL modules CH340, be first connected bluetooth module HC-05 by CH340 with computer；Then by cell phone application, with Mobile phone is carrier, reaches and sends data control brightness degree change, realizes the brightness change of LED illumination System, the method used It is to open Bluetooth of mobile phone search equipment first, then opens bluetooth assistant and relevant device successful matching, it is possible to data are sent, and , so can be more intuitively in the operation of oneself easily just property and its data transmission modes can be from edlin；LED driving electricity Road is driven using constant current, this is what the electrical characteristic based on LED lamp bead determined, and LED light source is formed in the form of being serially connected, The pressure drop of every LED lamp bead about 3v or so, operating current 350mA. are by LED forward directions C-V characteristic it is recognised that working as LED terminal voltages After its forward conduction voltage drop, less voltage fluctuation can all cause the acute variation of operating current, so driving LED should Driven using constant current, driving chip PT4115 is a kind of decompression constant current source chip of continuous inductive current conduction mode, can be directly DC voltage is converted to stable constant current output, input voltage range is very wide, reaches 8v-30v, and output current can reach 1.2A, while there are the multiple functions such as excess temperature, overvoltage, overcurrent, LED open-circuit-protections.The design by DIM mouthfuls input PWM ripples, The frequency range of DIM ports input can both carry out simulation light modulation for 100HZ to 20KHZ. by DIM pins, can also carry out PWM is dimmed.Being dimmed by pwm signal, LED maximums average current is determined by the resistance RS for being connected to VIN and CSN both ends, Pwm signal by adding variable duty ratio in DIM pins can turn output current down and be dimmed.

In summary：This self-regulation brightness cage illumination circuit passes through button mould with the core of microcontroller U4 devices in order to control Block hardware circuit, analog-to-digital conversion module circuit, display module circuit, LED drive circuit, photosensitive resistance sensor circuit and bluetooth The collective effect control train carriage LED illumination System of modular circuit, key-press module hardware circuit and photosensitive resistance sensor electricity Road together decides on lighting system working method, analog quantity that display module circuit real-time display sensor detects and digital quantity with And current operation mode, LED drive circuit are adjusted the brightness of illumination of train carriage LED light by the PWM ripples of input, pass through bluetooth Modular circuit and mobile phone app can realize the remote control to train carriage LED illumination System, and chip U1 passes through the voltage of input The voltage for crossing adjustment potentiometer output 5V provides power supply for LED drive system, and voltage reduction module output connects microcontroller, for microcontroller with Other module for power supply systems realize the brightness regulation of LED light using microcontroller as main control, based on the self-regulation brightness cage illumination Circuit effectively improves utilization rate of electrical, ensure that the light intensity appropriateness of indoor lamp, improves the quality of life of people, can for While people provides enough brightness of illumination, a comfortable visual environment is created for people, effectively reduces light pollution, And lamp life can be extended to a certain extent, improves working environment, is improved work efficiency, is effectively saved electric power Cost and administration fee.

While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (9)

1. one kind self-regulation brightness cage illumination circuit, including power module of voltage regulation circuit, display module circuit, key-press module are hard Part circuit, buzzer modular circuit, analog-to-digital conversion module circuit, photosensitive resistance sensor circuit, bluetooth module circuit and LED drive Dynamic circuit, it is characterised in that：The power module of voltage regulation circuit and display module circuit, key-press module hardware circuit, buzzer Modular circuit, analog-to-digital conversion module circuit, photosensitive resistance sensor circuit, bluetooth module circuit and LED drive circuit are electrically connected Connect, buzzer modular circuit is electrically connected microcontroller U5, key-press module hardware circuit, buzzer modular circuit, analog-to-digital conversion module Circuit, photosensitive resistance sensor circuit, bluetooth module circuit and LED drive circuit are electrically connected with microcontroller U5.

A kind of 2. self-regulation brightness cage illumination circuit according to claim 1, it is characterised in that：The regulated power supply mould Block circuit includes chip U1, and the pin 1 of chip U1 concatenates power end VCC, and the output terminal shunt-wound capacitance C9 of power end VCC is grounded, The pin 5 serial capacitance C10 and capacitance C12 of chip U1 is electrically connected with the pin 4 of chip U1,3 shunt-wound capacitance of pin of chip U1 The input terminal of C10, the output terminal of the input terminal shunt-wound capacitance C9 of capacitance C10, the pin 2 of chip U1 connect diode D13 and capacitance The input terminal of C10 simultaneously connects, and the input terminal of the pin 4 connecting resistance R15 and capacitance C10 of chip U1 simultaneously connects, the input termination of resistance R15 The output terminal of resistance R19 and resistance R12 and capacitance C10 simultaneously connects, and the input terminating resistor R19 of resistance R15, diode D13's is defeated Outlet simultaneously meets integrated regulator LM1 and meets power output end Vout.

A kind of 3. self-regulation brightness cage illumination circuit according to claim 1, it is characterised in that：The display module electricity The pin 1 that road includes brilliant display module liquid U2, LCD MODULE U2 is grounded, and the pin 2 of LCD MODULE U2 connects power end The output terminating resistor R16 ground connection of VCC, power end VCC, the 3 connecting resistance R16 of pin of LCD MODULE U2, liquid crystal display mode The pin 19 of block U2 connects power end, and the pin 20 of LCD MODULE U2 is grounded.

A kind of 4. self-regulation brightness cage illumination circuit according to claim 1, it is characterised in that：The key-press module is hard Part circuit includes switching S1, switchs S2, switch S3 and switch S4, and switch S1, the output terminal for switching S2, switching S3 and switching S4 are equal Ground connection.

A kind of 5. self-regulation brightness cage illumination circuit according to claim 1, it is characterised in that：The buzzer module Circuit includes buzzer U3, the output head grounding of buzzer U3, the emitter of the input termination triode Q1 of buzzer U3, three poles The base stage series resistor R13 of pipe Q1 connects the pin 23 of microcontroller U4, and the collector series connection resistance R14 of triode Q1 meets microcontroller U4 Pin 40, the pin (32-39) of microcontroller U4 is sequentially connected electrically with the pin (14-7) of chip U1, switch (S1-S4) it is defeated Outlet is electrically connected with the pin (8-5) of microcontroller U4 successively.

A kind of 6. self-regulation brightness cage illumination circuit according to claim 1, it is characterised in that：The analog-to-digital conversion mould Block circuit includes chip ADC0832, human body heat-releasing electric transducer D3 and photosensitive resistance sensor R6, the pin 1 of chip ADC0832 The pin 3 of microcontroller U4 is connect, the pin 2 of chip ADC0832 connects the pin 2 of human body heat-releasing electric transducer D3, human body heat-releasing fax The pin 3 of sensor D3 is grounded, and the 1 serial capacitance C3 of pin of human body heat-releasing electric transducer D3 connects the pin 10 of microcontroller U4, monolithic The output terminal of the input termination switch S6 and capacitance C3 of the pin 10 of machine U4 simultaneously connect, and switch the input termination power end VCC of S6, core The pin 3 of piece ADC0832 connects the pin 1 of photosensitive resistance sensor R6, and the pin 3 of photosensitive resistance sensor R6 is grounded, photosensitive electricity The pin 4 of resistance sensor R6 meets power end VCC, and the pin 4 of chip ADC0832 is grounded, and the pin 8 of chip ADC0832 connects power supply VCC is held, the pin 7 of chip ADC0832 connects the pin 2 of microcontroller U4, and the pin 6 of chip ADC0832 connects the pin of microcontroller U4 The pin 5 of 1, chip ADC0832 and the pin 1 for meeting microcontroller U4.

A kind of 7. self-regulation brightness cage illumination circuit according to claim 1, it is characterised in that：The photo resistance passes Sensor circuit includes difference amplifier U5, and the pin 4 of difference amplifier U5 connects lead-out terminal D0, the pin 1 of difference amplifier U5 Series resistor R4 and resistance R5 connects the pin 4 of difference amplifier U5, the input terminal and sending and receiving optical diode D2 and resistance of resistance R5 R6 is electrically connected with the output terminal of resistance R5, the output terminal shunt-wound capacitance C1 ground connection of resistance R4, the input terminal sending and receiving light two of capacitance C1 The output terminal of pole pipe D1 and resistance R1 and capacitance C1 simultaneously connects, the input termination slide rheostat R2 ground connection of light emitting diode D1, sliding Dynamic rheostat R2 connects the pin 2 of difference amplifier U5, and the input termination photo resistance R3 and slide rheostat R2's of resistance R4 is defeated Enter to hold and connect, the pin 3 of difference amplifier U5 connects the input terminal of slide rheostat R2, the input terminal shunt-wound capacitance of photo resistance R3 C2 connects the pin 3 of difference amplifier U5, the input termination input terminal A0 of photo resistance R3, and the pin 5 of difference amplifier U5 connects Power end VCC.

A kind of 8. self-regulation brightness cage illumination circuit according to claim 1, it is characterised in that：The bluetooth module electricity Road includes chip U6,12 connecting resistance R18 of the pin ground connection of chip U6, and the input termination switch S5 for hindering R18 meets power end V3.3V, 9 series resistor R20 of pin and the LED light ground connection of chip U6, the pin 4 of the 13 contact relay J1 of pin of chip U6, chip U6's The pin 5 of 14 contact relay J1 of pin, the pin 3 of J1 are grounded, and the pin 2 of J1 connects 1 series resistor of pin of power end VCC, J1 R21 connects the pin 3 of chip U7, and the pin 1 of chip U7 meets diode D4 and connects power end VCC, the output terminating resistor of diode D4 The output terminal of R22 and resistance R21 simultaneously connects, and the pin 2 of chip U7 connects the output terminal of capacitance C4 and diode D4 and connects, capacitance C4's Export the pin 1 of termination capacitor C5 and chip U7 and connect, the pin 4 of chip U7 connects power end VCC, the output terminal of power end VCC Meet capacitance C7 to be electrically connected with the pin 5 of chip U7, the pin 4 of the output termination capacitor C6 and chip U7 of capacitance C7 simultaneously connect.

A kind of 9. self-regulation brightness cage illumination circuit according to claim 1, it is characterised in that：The LED drivings electricity Road includes driving chip PT4115, and the pin 3 of driving chip PT4115 connects the pin 21 of microcontroller U4, driving chip PT4115's Pin 1 concatenates the pin 40 that integrated regulator LM2, light emitting diode D8 and resistance R17 meet microcontroller U4, and resistance R17's is defeated Enter and hold and connect the pin 5 of driving chip PT4115, the output terminal of resistance R17 and the pin 4 for meeting driving chip PT4115, voltage stabilizing collection Into the output terminating diode D6 and driving chip PT4115 of circuit LM2 pin 5 and connect, the pin 2 of driving chip PT4115 Ground connection, the 2 serial capacitance C11 of pin of driving chip PT4115 meet power end VCC, the output terminating resistor R17's of power end VCC Input terminal.