CN204652759U - A kind of SCM Based indoor intelligent light control system - Google Patents

Abstract

The utility model discloses an indoor intelligent light control system based on a single-chip microcomputer, which comprises: a single-chip microcomputer control chip for controlling the entire system, an ambient light brightness sensing module for collecting indoor ambient light brightness information, and a sensor module for judging whether there are personnel or the human body infrared sensing module at the personnel position, the LED lighting fixture, and the LED driver module for driving the LED lighting fixture according to the waveform output by the single-chip microcomputer control chip; the ambient light brightness sensing module and the human body infrared sensing module are all controlled Chip connection; the single-chip microcomputer control chip is connected to the LED lighting fixture through the LED drive module. The utility model can adjust the brightness of the lamp in real time through the detected brightness of the ambient light, so that the overall brightness of the room can be kept in a suitable range, avoiding the fatigue of the human eye due to the too strong or too weak light and saving electric energy, and has the advantages of low cost, Low energy consumption, easy to form mass production, easy to install and maintain.

Description

An Indoor Intelligent Light Control System Based on SCM

technical field

The utility model relates to the technical field of energy-saving lighting systems, in particular to an indoor intelligent light control system based on a single-chip microcomputer.

Background technique

In recent years, with the increasing shortage of conventional fossil energy sources and rising energy prices, saving energy and improving energy utilization have become research and exploration issues. All kinds of electrical appliances at home and abroad are developing in the direction of intelligence, humanization and energy saving, and the intelligent lighting control system has won people's favor for its high intelligence, convenience and easy control.

In many colleges and universities, because the classrooms are not fixed, it is common for students to neglect to turn off the lights after using the classrooms, which causes unnecessary energy waste and economic losses. It is necessary to carry out real-time intelligent control and management of classroom lighting. Although there have been many studies on intelligent light control systems, and the sensing modules are relatively mature, due to the high cost of the entire system and the weak anti-interference ability of the control system, it cannot be widely used. Therefore, it is necessary to design a low-cost, easy-to-use It forms an intelligent light control system with mass production, easy installation, convenient maintenance, and stable control system.

Utility model content

Based on such considerations, it is necessary to design a system that can control classroom lighting in real time. The purpose of this utility model is to provide an indoor intelligent light control system based on a single-chip microcomputer, which has low cost, is easy to form mass production, and is convenient for installation and maintenance. Convenient and stable control system. Focus on real-time monitoring of indoor natural light intensity and automatic adjustment of light intensity, and determine whether there are people in the room by sensing human infrared rays, thereby automatically adjusting the intensity of LED light; at the same time, it allows people to work and live in a comfortable light environment and reduce power consumption. waste.

The purpose of this utility model is achieved through the following technical solutions:

An indoor intelligent light control system based on a single-chip microcomputer, including: a single-chip microcomputer control chip for controlling the entire system, an ambient light brightness sensor module for collecting indoor ambient light brightness information, and a human body for judging whether there is a person or the location of the person An infrared sensing module, an LED lighting fixture, and an LED driver module for driving the LED lighting fixture according to the waveform output by the single-chip microcomputer control chip;

Both the ambient light brightness sensing module and the human body infrared sensing module are connected to the single-chip microcomputer control chip; the single-chip microcomputer control chip is connected to the LED lighting lamp through the LED driving module.

Wherein, the ambient light brightness sensing module is connected with the single-chip microcomputer control chip through the Zigbee wireless communication module.

Wherein, multiple human body infrared sensing modules, ambient light brightness sensing modules and LED lighting fixtures are arranged indoors, and one ambient light brightness sensing module corresponds to one LED lighting fixture.

Wherein, the single-chip microcomputer control chip includes: the single-chip microcomputer U4 that the model is AT89C52, capacitor C1, capacitor C2, capacitor C3, resistor R1, resistor R2, crystal oscillator X1 and switch K1, one end of the capacitor C2 and the capacitor C3 One end is connected and grounded, the other end of the capacitor C2 is connected to one end of the crystal oscillator X1 and connected to the terminal 19 of the single-chip microcomputer U4, and the other end of the capacitor C3 is connected to the other end of the crystal oscillator X1 and connected to the terminal of the single-chip microcomputer U4 18 connection, one end of the resistor R1 is grounded, the other end of the resistor R1 is respectively connected to the negative pole of the capacitor C1, one end of the resistor R2, and the terminal 9 of the single-chip microcomputer U4, and the positive pole of the capacitor C1 is connected to the power supply VCC, so The other end of the resistor R2 is connected to one end of the switch K1, and the other end of the switch K1 is connected to the anode of the capacitor C1 and connected to the power supply VCC.

Wherein, the capacitance of the capacitor C1 is 10uF, the capacitance of the capacitor C2 is 30pF, the capacitance of the capacitor C3 is 30pF, the resistance of the resistor R1 is 10kΩ, and the resistance of the resistor R2 is 220Ω, the operating frequency of the crystal oscillator X1 is 12MHz, and the voltage of the power supply VCC is 3V.

Wherein, the ambient light brightness sensing module includes: a light intensity sensor U3 whose model is BH1750FVI, a resistor R3, a resistor R4, a resistor R5, and a capacitor C4, and the terminal 1 of the light intensity sensor U3 is respectively connected to the power supply VCC and the capacitor C4 One end of the capacitor C4, the other end of the capacitor C4 is connected to the terminal 3 of the light intensity sensor U3, the terminal 2 of the light intensity sensor U3 is connected to one end of the resistor R5, the other end of the resistor R5 is grounded, and the light intensity sensor The terminal 4 of U3 is respectively connected with one end of the resistor R4 and the terminal 4 of the single-chip microcomputer U4, the other end of the resistor R4 is connected with one end of the resistor R3 and both are connected with the power supply VCC, and the terminal 5 of the light intensity sensor U3 is connected with the single-chip microcomputer U4. The terminal 1 and the terminal 6 of the light intensity sensor U3 are respectively connected to the other end of the resistor R3 and the terminal 5 of the single chip microcomputer U4.

Wherein, the resistance value of the resistor R3 is 10kΩ, the resistance value of the resistor R4 is 10kΩ, the resistance value of the resistor R5 is 10kΩ, the capacitance value of the capacitor C4 is 0.1uF, and the voltage of the power supply VCC is 3V.

Wherein, the human body infrared sensing module includes: a sensing signal processing chip U2 whose model is BISS0001, a sensor TO whose model is RE200B, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, Resistor R13, resistor R14, resistor R15, resistor R16, capacitor C5, capacitor C6, capacitor C7, capacitor C8, capacitor C9, capacitor C10, capacitor C11, capacitor C12, capacitor C13, capacitor C14, the sensing signal processing chip U2 Terminal 1 of the terminal 1 is respectively connected to one end of the capacitor C5, one end of the resistor R6, and one end of the resistor R7, the other end of the capacitor C5 is connected to the other end of the resistor R7 and both are connected to the power supply VCC, and the other end of the resistor R6 is grounded, so The terminal 2 of the sensing signal processing chip U2 is connected to one end of the resistor R8, the other end of the resistor R8 is grounded, the terminal 3 of the sensing signal processing chip U2 is connected to the power supply VCC, and the terminal of the sensing signal processing chip U2 4 Connect one end of the resistor R9 and one end of the capacitor C7 respectively, the other end of the resistor R9 is respectively connected to one end of the resistor R10, the other end of the capacitor C7, and terminal 5 of the sensing signal processing chip U2, and the other end of the resistor R10 One end of the capacitor C6 is connected, the other end of the capacitor C6 is respectively connected to one end of the capacitor C8, one end of the resistor R12, and the terminal 8 of the sensing signal processing chip U2, and the other end of the capacitor C8 is respectively connected to the sensing signal processing chip U2 terminal 7, the other end of the resistor R12, and one end of the resistor R13, the other end of the resistor R13 is connected to one end of the capacitor C9, the other end of the capacitor C9 is grounded, and the terminal 6 of the sensor signal processing chip U2 is connected to the sensor Terminal 2 of TO, terminal 1 of the sensor TO is respectively connected to one end of capacitor C10, one end of capacitor C11, and one end of resistor R11, the other end of the resistor R11 is connected to the power supply VCC, and the other end of the capacitor C10 is grounded, so The other end of the capacitor C11 is connected to one end of the capacitor C12, the other end of the capacitor C12 is connected to the terminal 3 of the sensor TO and grounded, the terminal 9 of the sensing signal processing chip U2 is connected to one end of the resistor R14, and the resistor R14 The other end is connected to the power supply VCC, the terminal 10 of the sensing signal processing chip U2 is respectively connected to one end of the capacitor C13, one end of the capacitor C14 and grounded, and the terminal 11 of the sensing signal processing chip U2 is connected to one end of the resistor R15. The other end of the resistor R15 is respectively connected to the other end of the capacitor C13 and the terminal 12 of the sensing signal processing chip U2, and the terminal 13 of the sensing signal processing chip U2 is respectively connected to the other end of the capacitor C14 and one end of the resistor R16. The other end of R16 is connected to the terminal 14 of the sensing signal processing chip U2, the terminal 15 of the sensing signal processing chip U2 is connected to the terminal 12 of the single chip microcomputer U4, and the terminal 16 of the sensing signal processing chip U2 is grounded.

Wherein, the resistance value of the resistor R6 is 60kΩ, the resistance value of the resistor R7 is 20kΩ, the resistance value of the resistor R8 is 1MΩ, the resistance value of the resistor R9 is 1MΩ, the resistance value of the resistor R10 is 10kΩ, and the resistance value of the resistor R11 is 3.3kΩ, the resistance value of resistor R12 is 10kΩ, the resistance value of resistor R13 is 47kΩ, the resistance value of resistor R14 is 220kΩ, the resistance value of resistor R15 is 330kΩ, the resistance value of resistor R16 is 330kΩ, the capacitance value of capacitor C5 is 2.2 uF, the capacitance of capacitor C6 is 10uF, the capacitance of capacitor C7 is 103pF, the capacitance of capacitor C8 is 103pF, the capacitance of capacitor C9 is 47uF, the capacitance of capacitor C10 is 470uF, and the capacitance of capacitor C11 is 103pF. The capacitance of the capacitor C12 is 103pF, the capacitance of the capacitor C13 is 102pF, the capacitance of the capacitor C14 is 10nF, and the voltage of the power supply VCC is 3V.

Wherein, the LED driver module includes: a lighting driver U5 modeled as LM3407, a resistor R17, a resistor R18, a resistor R19, a capacitor C15, a capacitor C16, a capacitor C17, an inductor L1, and a diode D1. Terminal 1 of the lighting driver U5 One end of the resistor R17 and one end of the resistor R18 are respectively connected, the other end of the resistor R17 is connected to the other end of the resistor R18 and both are grounded, the terminal 2 of the lighting driver U5 is connected to the terminal 23 of the single chip microcomputer U4, and the lighting driver U5 The terminal 3 of the lighting driver U5 is connected to the terminal 24 of the single chip microcomputer U4, the terminal 4 of the lighting driver U5 is connected to one end of the resistor R19, the other end of the resistor R19 is grounded, and the terminal 8 of the lighting driver U5 is respectively connected to the anode of the diode D1 and the capacitor C15 One end of the LED lighting fixture, one end of the LED lighting fixture, the other end of the capacitor C15 is connected to the other end of the LED lighting fixture and to one end of the inductor L1, the other end of the inductor L1 is connected to the negative pole of the diode D1, and the lighting driver U5 Terminal 7 is connected to one end of the capacitor C16 and grounded. Terminal 6 of the lighting driver U5 is connected to the other end of the capacitor C16 and connected to the power supply VCC. Terminal 5 of the lighting driver U5 is respectively connected to one end of the capacitor C17, the negative pole of the diode D1, and the power supply. VIN, the other end of the capacitor C17 is grounded.

Wherein, the resistance value of the resistor R17 is 1.13kΩ, the resistance value of the resistor R18 is 1.13kΩ, the resistance value of the resistor R19 is 40.2kΩ, the capacitance value of the capacitor C15 is 1nF, the capacitance value of the capacitor C16 is 1uF, and the capacitance value of the capacitor C17 is 1uF. The capacitance value is 4.7uF, the inductance of the inductor L1 is 30uH, the working voltage and current of the diode D1 are 40V/1A, the voltage of the power supply VCC is 3V, and the voltage of the power supply VIN is 20-30V.

Beneficial effect:

The utility model adopts a single-chip microcomputer control chip as the control chip. The ambient light brightness sensing module collects indoor brightness data and transmits it to the single-chip microcomputer control chip. At the same time, the human body infrared sensing module judges whether there is a person or the location of the person. Lighting fixtures and adjusting their brightness. The utility model has the advantages of: taking advantage of the advantages of low cost and low energy consumption of the single-chip microcomputer, and forming an indoor light control system with modules such as infrared positioning and brightness detection, it is easy to form mass production, easy to install, and easy to maintain. A system capable of real-time control of classroom lighting, focusing on real-time monitoring of indoor natural light intensity and automatic adjustment of light intensity. It can automatically adjust the intensity of LED lighting by sensing human infrared rays to determine whether there are people in the room; Work and live in a light environment, and reduce the waste of electric energy.

Description of drawings

Fig. 1 is the schematic block diagram of the scheme of the present utility model.

Fig. 2 is the circuit diagram of the single-chip microcomputer control chip of the utility model.

Fig. 3 is a circuit diagram of the ambient light brightness sensing module of the present invention.

Fig. 4 is a circuit diagram of the human body infrared sensing module of the present invention.

Fig. 5 is a circuit diagram of the LED driving module and the LED lighting fixture of the present invention.

In the picture:

1—Single-chip microcomputer control chip; 2—Ambient light brightness sensing module; 3—Human body infrared sensing module; 4—LED driver module; 5—LED lighting fixture.

Detailed ways

In order to better illustrate the purpose and advantages of the utility model, the content of the utility model will be further described in detail below in conjunction with the accompanying drawings.

Fig. 1 is the schematic block diagram of the scheme of the present utility model. As shown in Figure 1, a kind of indoor intelligent light control system based on single-chip microcomputer according to the present invention includes: a single-chip microcomputer control chip 1 for controlling the whole system, and an ambient light brightness sensing module for collecting indoor ambient light brightness information 2. A human body infrared sensing module 3 for judging whether there is a person or the location of the person, an LED lighting fixture 5 and an LED driver module 4 for driving the LED lighting fixture 5 according to the waveform output by the single-chip microcomputer control chip 1;

Both the ambient light brightness sensing module 2 and the human body infrared sensing module 3 are connected to the single-chip microcomputer control chip 1 ; the single-chip microcomputer control chip 1 is connected to the LED lighting fixture 5 through the LED driving module 4 .

The utility model adopts the single-chip microcomputer control chip 1 as the control chip, the ambient light brightness sensing module 2 collects indoor brightness data and transmits it to the single-chip microcomputer control chip 1, and at the same time, the human body infrared sensing module 3 judges whether there is a person or the position of the person, and the single-chip microcomputer control chip 1 comprehensively processes Finally, the single-chip microcomputer control chip 1 outputs a signal to control the LED driving module 4, and the LED driving module 4 drives the LED lighting fixture 5 to adjust the brightness. The utility model has the advantages of: taking advantage of the advantages of low cost and low energy consumption of the single-chip microcomputer, and forming an indoor light control system with modules such as infrared positioning and brightness detection, it is easy to form mass production, easy to install, and easy to maintain. A system capable of real-time control of classroom lighting, focusing on real-time monitoring of indoor natural light intensity and automatic adjustment of light intensity. It can automatically adjust the intensity of LED lighting by sensing human infrared rays to determine whether there are people in the room; Work and live in a light environment, and reduce the waste of electric energy.

In this scheme, the human body infrared sensing module 3, the ambient light brightness sensing module 2 and the LED lighting fixture 5 are all arranged in multiples indoors, and the LED lighting fixture 5 in the corresponding area is turned on at the position of the detecting person, and one of the LED lighting fixtures 5 The ambient light brightness sensing module 2 corresponds to one LED lighting fixture 5 .

The working process of the present utility model is as follows:

Manually turn on the indoor lamp, and the human body infrared sensor module 3 detects the indoor area where the person is located. If the human body infrared sensor module 3 detects that the person is not in the predetermined area after a certain period of time (for example, after 5 minutes), the single-chip microcomputer control chip 1 will immediately turn off the corresponding LED driver module 4. Area LED lighting fixture 5; if the human body infrared sensing module 3 detects that the detection personnel is in the designated area, then the single-chip microcomputer control chip 1 continues to work and counts, and starts the ambient light brightness sensing module 2 at the same time, because the standard value of the required illuminance in the classroom is 280lx , so if it is detected that the light on the working surface is greater than 280lx, the single-chip microcomputer control chip 1 will immediately turn off the LED lighting fixture 5 corresponding to the ambient light brightness sensor module 2 through the LED driver module 4; The driver module 4 adjusts the light of the LED lighting fixture 5 corresponding to the ambient light brightness sensor module 2, so that the light in the area meets the work requirements; at the same time, the single-chip microcomputer control chip 1 controls the human body infrared sensor module at regular intervals (for example, 5mins) 3. Carry out a detection. If no one is detected, after a certain period of time (for example, after 5mins), the single-chip microcomputer control chip 1 turns off the LED lighting fixture 5 through the LED driver module 4; otherwise, the ambient light brightness sensor module 2 detects the illuminance again, and performs the above cycle. In short, under the condition of satisfying the normal working light intensity, the power can be saved to the greatest extent. It should be noted that the single-chip microcomputer control chip 1 can generate PWM square waves with different duty ratios, and the PWM square waves enable the LED drive module 4 to realize stepless dimming of the LED lighting fixture 5 .

Preferably, the ambient light brightness sensing module 2 is connected with the single-chip microcomputer control chip 1 through a Zigbee wireless communication module.

Fig. 2 is the circuit diagram of the single-chip microcomputer control chip 1 of the present utility model. As shown in Figure 2, the single-chip microcomputer control chip 1 includes: the single-chip microcomputer U4, capacitor C1, capacitor C2, capacitor C3, resistor R1, resistor R2, crystal oscillator X1 and switch K1 that the model is AT89C52, the capacitor C2 One end is connected to one end of the capacitor C3 and both are grounded, the other end of the capacitor C2 is connected to one end of the crystal oscillator X1 and connected to the terminal 19 of the microcontroller U4, the other end of the capacitor C3 is connected to the other end of the crystal oscillator X1 and It is connected with the terminal 18 of the single-chip microcomputer U4, one end of the resistor R1 is grounded, and the other end of the resistor R1 is respectively connected with the negative pole of the capacitor C1, one end of the resistor R2, and the terminal 9 of the single-chip microcomputer U4, and the positive pole of the capacitor C1 is connected with the terminal 9 of the single-chip microcomputer U4 The power supply VCC is connected, the other end of the resistor R2 is connected to one end of the switch K1, and the other end of the switch K1 is connected to the positive pole of the capacitor C1 and connected to the power supply VCC.

Preferably, the capacitance of the capacitor C1 is 10uF, the capacitance of the capacitor C2 is 30pF, the capacitance of the capacitor C3 is 30pF, the resistance of the resistor R1 is 10kΩ, and the resistance of the resistor R2 is is 220Ω, the operating frequency of the crystal oscillator X1 is 12MHz, and the voltage of the power supply VCC is 3V.

FIG. 3 is a circuit diagram of the ambient light brightness sensing module 2 of the present invention. As shown in Figure 3, the ambient light brightness sensing module 2 includes: a light intensity sensor U3, a resistor R3, a resistor R4, a resistor R5, and a capacitor C4 whose model is BH1750FVI, and the terminals 1 of the light intensity sensor U3 are respectively connected to The power supply VCC, one end of the capacitor C4, the other end of the capacitor C4 is connected to the terminal 3 of the light intensity sensor U3, the terminal 2 of the light intensity sensor U3 is connected to one end of the resistor R5, and the other end of the resistor R5 is grounded, The terminal 4 of the light intensity sensor U3 is respectively connected to one end of the resistor R4 and the terminal 4 of the single-chip microcomputer U4, the other end of the resistor R4 is connected to one end of the resistor R3 and both are connected to the power supply VCC, and the terminal of the light intensity sensor U3 5 is connected to the terminal 1 of the single-chip microcomputer U4, and the terminal 6 of the light intensity sensor U3 is respectively connected to the other end of the resistor R3 and the terminal 5 of the single-chip microcomputer U4.

Preferably, the resistance value of the resistor R3 is 10kΩ, the resistance value of the resistor R4 is 10kΩ, the resistance value of the resistor R5 is 10kΩ, the capacitance value of the capacitor C4 is 0.1uF, and the voltage of the power supply VCC is 3V.

Fig. 4 is a circuit diagram of the human body infrared sensing module 3 of the present invention. As shown in Figure 4, the human body infrared sensing module 3 includes: a sensing signal processing chip U2 whose model is BISS0001, a sensor TO whose model is RE200B, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, resistor R12, resistor R13, resistor R14, resistor R15, resistor R16, capacitor C5, capacitor C6, capacitor C7, capacitor C8, capacitor C9, capacitor C10, capacitor C11, capacitor C12, capacitor C13, capacitor C14, the transmission The terminal 1 of the sense signal processing chip U2 is respectively connected to one end of the capacitor C5, one end of the resistor R6, and one end of the resistor R7, the other end of the capacitor C5 is connected to the other end of the resistor R7 and both are connected to the power supply VCC, the resistor R6 The other end is grounded, the terminal 2 of the sensing signal processing chip U2 is connected to one end of the resistor R8, the other end of the resistor R8 is grounded, the terminal 3 of the sensing signal processing chip U2 is connected to the power supply VCC, and the sensing signal processing chip U2 is connected to the power supply VCC. The terminal 4 of the processing chip U2 is respectively connected to one end of the resistor R9 and one end of the capacitor C7, and the other end of the resistor R9 is respectively connected to one end of the resistor R10, the other end of the capacitor C7, and the terminal 5 of the sensing signal processing chip U2. The other end of the resistor R10 is connected to one end of the capacitor C6, the other end of the capacitor C6 is respectively connected to one end of the capacitor C8, one end of the resistor R12, and the terminal 8 of the sensing signal processing chip U2, and the other end of the capacitor C8 is respectively connected to the sensor Terminal 7 of the sensor signal processing chip U2, the other end of the resistor R12, and one end of the resistor R13, the other end of the resistor R13 is connected to one end of the capacitor C9, the other end of the capacitor C9 is grounded, and the sensor signal processing chip U2 The terminal 6 of the sensor TO is connected to the terminal 2 of the sensor TO, and the terminal 1 of the sensor TO is respectively connected to one end of the capacitor C10, one end of the capacitor C11, and one end of the resistor R11, and the other end of the resistor R11 is connected to the power supply VCC. The other end is grounded, the other end of the capacitor C11 is connected to one end of the capacitor C12, the other end of the capacitor C12 is connected to the terminal 3 of the sensor TO and grounded, and the terminal 9 of the sensing signal processing chip U2 is connected to one end of the resistor R14, The other end of the resistor R14 is connected to the power supply VCC, the terminal 10 of the sensing signal processing chip U2 is respectively connected to one end of the capacitor C13, one end of the capacitor C14 and grounded, and the terminal 11 of the sensing signal processing chip U2 is connected to the resistor R15 The other end of the resistor R15 is respectively connected to the other end of the capacitor C13 and the terminal 12 of the sensing signal processing chip U2, and the terminal 13 of the sensing signal processing chip U2 is respectively connected to the other end of the capacitor C14 and the terminal of the resistor R16. One end, the other end of the resistor R16 is connected to the terminal 14 of the sensing signal processing chip U2, the terminal 15 of the sensing signal processing chip U2 is connected to the terminal 12 of the single chip microcomputer U4, and the terminal 16 of the sensing signal processing chip U2 is grounded .

Preferably, the resistance value of the resistor R6 is 60kΩ, the resistance value of the resistor R7 is 20kΩ, the resistance value of the resistor R8 is 1MΩ, the resistance value of the resistor R9 is 1MΩ, the resistance value of the resistor R10 is 10kΩ, and the resistance value of the resistor R11 is The resistance value of resistor R12 is 10kΩ, the resistance value of resistor R13 is 47kΩ, the resistance value of resistor R14 is 220kΩ, the resistance value of resistor R15 is 330kΩ, the resistance value of resistor R16 is 330kΩ, and the capacitance value of capacitor C5 is 2.2uF, the capacitance of capacitor C6 is 10uF, the capacitance of capacitor C7 is 103pF, the capacitance of capacitor C8 is 103pF, the capacitance of capacitor C9 is 47uF, the capacitance of capacitor C10 is 470uF, and the capacitance of capacitor C11 is 103pF , the capacitance value of the capacitor C12 is 103pF, the capacitance value of the capacitor C13 is 102pF, the capacitance value of the capacitor C14 is 10nF, and the voltage of the power supply VCC is 3V.

FIG. 5 is a circuit diagram of the LED driving module 4 and the LED lighting fixture 5 of the present invention. As shown in Figure 5, the LED driver module 4 includes: a lighting driver U5 whose model is LM3407, a resistor R17, a resistor R18, a resistor R19, a capacitor C15, a capacitor C16, a capacitor C17, an inductor L1, and a diode D1. The terminal 1 of the driver U5 is respectively connected to one end of the resistor R17 and one end of the resistor R18, the other end of the resistor R17 is connected to the other end of the resistor R18 and both are grounded, and the terminal 2 of the lighting driver U5 is connected to the terminal 23 of the single chip microcomputer U4, The terminal 3 of the lighting driver U5 is connected to the terminal 24 of the microcontroller U4, the terminal 4 of the lighting driver U5 is connected to one end of the resistor R19, the other end of the resistor R19 is grounded, and the terminal 8 of the lighting driver U5 is respectively connected to the diode D1 The positive pole of the capacitor C15, one end of the LED lighting fixture 5, the other end of the capacitor C15 is connected to the other end of the LED lighting fixture 5 and connected to one end of the inductor L1, and the other end of the inductor L1 is connected to the negative pole of the diode D1 , the terminal 7 of the lighting driver U5 is connected to one end of the capacitor C16 and grounded, the terminal 6 of the lighting driver U5 is connected to the other end of the capacitor C16 and connected to the power supply VCC, and the terminals 5 of the lighting driver U5 are respectively connected to one end of the capacitor C17 , the cathode of the diode D1, the power supply VIN, and the other end of the capacitor C17 is grounded.

Preferably, the resistance value of the resistor R17 is 1.13kΩ, the resistance value of the resistor R18 is 1.13kΩ, the resistance value of the resistor R19 is 40.2kΩ, the capacitance value of the capacitor C15 is 1nF, the capacitance value of the capacitor C16 is 1uF, and the capacitance value of the capacitor C17 The capacitance of the inductor L1 is 4.7uF, the inductance of the inductor L1 is 30uH, the working voltage and current of the diode D1 are 40V/1A, the voltage of the power supply VCC is 3V, and the voltage of the power supply VIN is 20-30V.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (11)

1. An indoor intelligent light control system based on a single-chip microcomputer, characterized in that, comprising: a single-chip microcomputer control chip (1) for controlling the entire system, an ambient light brightness sensing module (2) for collecting indoor ambient light brightness information , a human body infrared sensing module (3) for judging whether there is a person or the location of the person, an LED lighting fixture (5), and an LED driver for driving the LED lighting fixture (5) according to the waveform output by the single-chip microcomputer control chip (1) module(4); Both the ambient light brightness sensing module (2) and the human body infrared sensing module (3) are connected to the single-chip microcomputer control chip (1); the single-chip microcomputer control chip (1) is connected to the LED lighting module (4) The light fixture (5) is connected. 2. A kind of indoor intelligent light control system based on single-chip microcomputer according to claim 1, is characterized in that, described ambient light brightness sensing module (2) is connected with single-chip microcomputer control chip (1) by Zigbee wireless communication module. 3. An indoor intelligent light control system based on a single-chip microcomputer according to claim 1 or 2, characterized in that the human body infrared sensing module (3), the ambient light brightness sensing module (2) and the LED lighting fixture ( 5) A plurality of them are arranged indoors, and one ambient light brightness sensing module (2) corresponds to one LED lighting fixture (5). 4. A kind of indoor intelligent light control system based on single-chip microcomputer according to claim 1, is characterized in that, described single-chip microcomputer control chip (1), comprises: model is the single-chip microcomputer U4 of AT89C52, capacitor C1, capacitor C2, capacitor C3 , resistor R1, resistor R2, crystal oscillator X1 and switch K1, one end of the capacitor C2 is connected to one end of the capacitor C3 and both are grounded, and the other end of the capacitor C2 is connected to one end of the crystal oscillator X1 and connected to the single chip microcomputer U4 Terminal 19 is connected, the other end of the capacitor C3 is connected to the other end of the crystal oscillator X1 and is connected to the terminal 18 of the single-chip microcomputer U4, one end of the resistor R1 is grounded, and the other end of the resistor R1 is respectively connected to the negative pole of the capacitor C1, One end of the resistor R2 is connected to the terminal 9 of the microcontroller U4, the positive pole of the capacitor C1 is connected to the power supply VCC, the other end of the resistor R2 is connected to one end of the switch K1, the other end of the switch K1 is connected to the positive pole of the capacitor C1 and Connect with power supply VCC. 5. The indoor intelligent light control system based on a single-chip microcomputer according to claim 4, wherein the capacitance of the capacitor C1 is 10uF, the capacitance of the capacitor C2 is 30pF, and the capacitance of the capacitor C3 The value is 30pF, the resistance value of the resistor R1 is 10kΩ, the resistance value of the resistor R2 is 220Ω, the operating frequency of the crystal oscillator X1 is 12MHz, and the voltage of the power supply VCC is 3V. 6. The indoor intelligent light control system based on a single-chip microcomputer according to claim 4, wherein the ambient light brightness sensing module (2) includes: a light intensity sensor U3 whose model is BH1750FVI, a resistor R3, Resistor R4, resistor R5, and capacitor C4, the terminal 1 of the light intensity sensor U3 is respectively connected to the power supply VCC and one end of the capacitor C4, the other end of the capacitor C4 is connected to the terminal 3 of the light intensity sensor U3, the light intensity The terminal 2 of the sensor U3 is connected to one end of the resistor R5, the other end of the resistor R5 is grounded, the terminal 4 of the light intensity sensor U3 is respectively connected to one end of the resistor R4, and the terminal 4 of the single-chip microcomputer U4, and the other end of the resistor R4 is connected to the One end of the resistor R3 is connected and both are connected to the power supply VCC, the terminal 5 of the light intensity sensor U3 is connected to the terminal 1 of the single-chip microcomputer U4, and the terminal 6 of the light intensity sensor U3 is respectively connected to the other end of the resistor R3 and the terminal 5 of the single-chip microcomputer U4 . 7. The indoor intelligent light control system based on a single-chip microcomputer according to claim 6, wherein the resistance value of the resistor R3 is 10kΩ, the resistance value of the resistor R4 is 10kΩ, and the resistance value of the resistor R5 is 10kΩ. The value is 10kΩ, the capacitance of the capacitor C4 is 0.1uF, and the voltage of the power supply VCC is 3V. 8. The indoor intelligent light control system based on a single-chip microcomputer according to claim 6, wherein the human body infrared sensing module (3) includes: a sensor signal processing chip U2 whose model is BISS0001, and whose model is RE200B Sensor TO, resistor R6, resistor R7, resistor R8, resistor R9, resistor R10, resistor R11, resistor R12, resistor R13, resistor R14, resistor R15, resistor R16, capacitor C5, capacitor C6, capacitor C7, capacitor C8, capacitor C9, capacitor C10, capacitor C11, capacitor C12, capacitor C13, capacitor C14, the terminal 1 of the sensing signal processing chip U2 is respectively connected to one end of the capacitor C5, one end of the resistor R6, and one end of the resistor R7, and the terminal of the capacitor C5 The other end is connected to the other end of the resistor R7 and both are connected to the power supply VCC, the other end of the resistor R6 is grounded, the terminal 2 of the sensing signal processing chip U2 is connected to one end of the resistor R8, and the other end of the resistor R8 is grounded, The terminal 3 of the sensor signal processing chip U2 is connected to the power supply VCC, the terminal 4 of the sensor signal processing chip U2 is respectively connected to one end of the resistor R9 and one end of the capacitor C7, and the other end of the resistor R9 is respectively connected to the terminal of the resistor R10. One end, the other end of the capacitor C7, and the terminal 5 of the sensing signal processing chip U2, the other end of the resistor R10 is connected to one end of the capacitor C6, and the other end of the capacitor C6 is respectively connected to one end of the capacitor C8, one end of the resistor R12, The terminal 8 of the sensing signal processing chip U2, the other end of the capacitor C8 is respectively connected to the terminal 7 of the sensing signal processing chip U2, the other end of the resistor R12, and one end of the resistor R13, and the other end of the resistor R13 is connected to the capacitor C9 One end of the capacitor C9, the other end of the capacitor C9 is grounded, the terminal 6 of the sensor signal processing chip U2 is connected to the terminal 2 of the sensor TO, and the terminal 1 of the sensor TO is respectively connected to one end of the capacitor C10, one end of the capacitor C11, and the resistor One end of R11, the other end of the resistor R11 is connected to the power supply VCC, the other end of the capacitor C10 is grounded, the other end of the capacitor C11 is connected to one end of the capacitor C12, and the other end of the capacitor C12 is connected to the terminal 3 of the sensor TO And grounded, the terminal 9 of the sensing signal processing chip U2 is connected to one end of the resistor R14, the other end of the resistor R14 is connected to the power supply VCC, and the terminal 10 of the sensing signal processing chip U2 is respectively connected to one end of the capacitor C13, the capacitor One end of C14 is grounded, the terminal 11 of the sensing signal processing chip U2 is connected to one end of the resistor R15, and the other end of the resistor R15 is respectively connected to the other end of the capacitor C13 and the terminal 12 of the sensing signal processing chip U2. The terminal 13 of the sensing signal processing chip U2 is respectively connected to the other end of the capacitor C14 and one end of the resistor R16, the other end of the resistor R16 is connected to the terminal 14 of the sensing signal processing chip U2, and the terminal of the sensing signal processing chip U2 15 is connected to the terminal 12 of the microcontroller U4, the The terminal 16 of the sensing signal processing chip U2 is grounded. 9. The indoor intelligent light control system based on a single-chip microcomputer according to claim 8, wherein the resistance value of the resistor R6 is 60kΩ, the resistance value of the resistor R7 is 20kΩ, and the resistance value of the resistor R8 is 1MΩ, The resistance value of resistor R9 is 1MΩ, the resistance value of resistor R10 is 10kΩ, the resistance value of resistor R11 is 3.3kΩ, the resistance value of resistor R12 is 10kΩ, the resistance value of resistor R13 is 47kΩ, and the resistance value of resistor R14 is 220kΩ. The resistance value of R15 is 330kΩ, the resistance value of resistor R16 is 330kΩ, the capacitance value of capacitor C5 is 2.2uF, the capacitance value of capacitor C6 is 10uF, the capacitance value of capacitor C7 is 103pF, the capacitance value of capacitor C8 is 103pF, and the capacitance value of capacitor C9 The capacitance value of capacitor C10 is 47uF, the capacitance value of capacitor C10 is 470uF, the capacitance value of capacitor C11 is 103pF, the capacitance value of capacitor C12 is 103pF, the capacitance value of capacitor C13 is 102pF, the capacitance value of capacitor C14 is 10nF, the power supply VCC The voltage is 3V. 10. The indoor intelligent light control system based on single-chip microcomputer according to claim 8, characterized in that, the LED driver module (4) includes: a lighting driver U5 whose model is LM3407, a resistor R17, a resistor R18, a resistor R19, capacitor C15, capacitor C16, capacitor C17, inductor L1, diode D1, the terminal 1 of the lighting driver U5 is respectively connected to one end of the resistor R17, one end of the resistor R18, the other end of the resistor R17 and the other end of the resistor R18 connected and both grounded, the terminal 2 of the lighting driver U5 is connected to the terminal 23 of the single-chip microcomputer U4, the terminal 3 of the lighting driver U5 is connected to the terminal 24 of the single-chip U4, and the terminal 4 of the lighting driver U5 is connected to one end of the resistor R19. The other end of the resistor R19 is grounded, the terminal 8 of the lighting driver U5 is respectively connected to the anode of the diode D1, one end of the capacitor C15, and one end of the LED lighting fixture (5), and the other end of the capacitor C15 is connected to the LED lighting fixture (5). ) and is connected to one end of the inductor L1, the other end of the inductor L1 is connected to the cathode of the diode D1, the terminal 7 of the lighting driver U5 is connected to one end of the capacitor C16 and grounded, and the terminal 6 of the lighting driver U5 is connected to The other end of the capacitor C16 is connected to the power supply VCC, the terminal 5 of the lighting driver U5 is respectively connected to one end of the capacitor C17, the cathode of the diode D1, and the power supply VIN, and the other end of the capacitor C17 is grounded. 11. The indoor intelligent light control system based on a single-chip microcomputer according to claim 10, wherein the resistance value of the resistor R17 is 1.13kΩ, the resistance value of the resistor R18 is 1.13kΩ, and the resistance value of the resistor R19 is 40.2kΩ, the capacitance of capacitor C15 is 1nF, the capacitance of capacitor C16 is 1uF, the capacitance of capacitor C17 is 4.7uF, the inductance of inductor L1 is 30uH, and the working voltage and current of diode D1 are 40V/1A. The voltage of the power supply VCC is 3V, and the voltage of the power supply VIN is 20-30V.