CN216775072U - Vehicle intelligent perception ambient light control system - Google Patents

Abstract

The embodiment of the application discloses on-vehicle intelligent perception atmosphere lamp control system includes: the device comprises a power circuit, a control circuit, a sensor module, an RGB lamp driving circuit and an RGB lamp circuit; the control circuit is connected with the power circuit, the sensor module, the RGB lamp driving circuit and the RGB lamp circuit, the RGB lamp driving circuit is connected with the RGB lamp circuit, and the power circuit is connected with the sensor module, the RGB lamp driving circuit and the RGB lamp circuit; according to the embodiment of the application, the sensor module is adopted to collect the environment sensing parameters and send the environment sensing parameters to the control circuit, the control circuit sends the lamp driving signals to the RGB lamp driving circuit according to the environment sensing parameters, and the RGB lamp driving circuit receives the lamp driving signals to control the RGB values and the brightness of the RGB lamp driving circuit; realize intelligent perception, come intelligent control vehicle-mounted atmosphere lamp according to the environment, improve the user and experience in the amusement of car.

Description

Vehicle intelligent perception ambient light control system

technical field

The embodiments of the present application relate to the technical field of automobiles, and in particular, to a vehicle-mounted intelligent perception ambient light control system.

Background technique

With the continuous development of the automotive industry, consumers have higher and higher requirements for in-vehicle entertainment experience, and ambient lighting has become an indispensable part of the car. As a widely used decorative lighting, more and more Pre-installed in various models. The traditional in-vehicle sensing system perceives the information of the car body, but lacks the perception of the environment inside and outside the car, and is also relatively mechanical and unintelligent. At the same time, the lights in the car are turned on and off manually by the owner, which is not intelligent enough.

Utility model content

The embodiments of the present application provide an in-vehicle intelligent perception ambient light control system, which realizes intelligent perception, intelligently controls the in-vehicle ambient light according to the environment, and improves a user's entertainment experience in the car.

In a first aspect, an embodiment of the present application provides a vehicle-mounted intelligent sensing ambient light control system, including: a power supply circuit, a control circuit, a sensor module, an RGB lamp drive circuit, and an RGB lamp circuit;

The control circuit is connected to the power circuit, the sensor module, the RGB lamp drive circuit and the RGB lamp circuit, the RGB lamp drive circuit is connected to the RGB lamp circuit, and the power circuit is connected to the sensor module, the Describe the RGB lamp drive circuit and the RGB lamp circuit;

The sensor module is used to collect environmental sensing parameters and send them to the control circuit; the control circuit is used to send a lamp drive signal to the RGB lamp drive circuit according to the environment sensing parameters; the RGB lamp drive circuit receives the lamp The driving signal is used to control the RGB value and brightness of the RGB lamp circuit; the power supply circuit is used to provide power.

Further, the sensor module includes: a temperature and humidity sensor, an alcohol sensor, an air quality detection sensor, a gesture recognition sensor and a voice recognition sensor.

Further, the power supply circuit includes a DCDC circuit and an LDO circuit, the DCDC circuit is connected to the LDO circuit, and the LDO circuit is connected to the control circuit, the sensor module, the RGB lamp driving circuit and the RGB lamp circuit.

Further, the DCDC circuit includes a first power supply chip, a first resistor, a second resistor, a third resistor, a fourth resistor, a first capacitor, a second capacitor, a third capacitor and a first inductor; the first power supply The first pin of the chip is connected to the first end of the first capacitor, the second pin is connected to the first end and the ground end of the first resistor, and the third pin is connected to the second end of the first resistor and the ground. The first end of the second resistor, the fourth pin is connected to the first end of the third resistor and the first end of the fourth resistor, and the fifth pin is connected to the second end of the fourth resistor and the power input terminal, the sixth pin is connected to the second terminal of the first capacitor and the first terminal of the first inductor, and the second terminal of the second resistor is connected to the first terminal of the first inductor and the first terminal of the first inductor. The first end of the second capacitor, the first end of the third capacitor and the power output end, the second end of the third resistor, the second end of the second capacitor and the second end of the third capacitor Connect to ground.

Further, the LDO circuit includes a second power chip, a second inductor, a fourth capacitor, a fifth capacitor, a sixth capacitor and a seventh capacitor; the first pin of the second power chip is connected to the fourth capacitor The first end of the fifth capacitor and the first end of the second inductor, the second pin is connected to the second end of the fourth capacitor, the second end of the fifth capacitor, The first end of the sixth capacitor, the first end of the seventh capacitor and the grounding end, the third pin is connected to the second end of the sixth capacitor, the second end of the seventh capacitor and the power output terminal, the second terminal of the second inductor is connected to the power input terminal.

Further, the control circuit includes an MCU chip, a first crystal oscillator, an eighth capacitor and a ninth capacitor, and the twenty-third pin of the MCU chip is connected to the first end of the first crystal oscillator and the eighth capacitor. The first end of the 24th pin is connected to the second end of the first crystal oscillator and the first end of the ninth capacitor, the first end of the eighth capacitor and the first end of the ninth capacitor terminal is connected to the ground terminal.

Further, a touch screen is also included, and the touch screen is connected to the control circuit and the power circuit.

Further, the model of the first power chip is MT2492.

Further, the model of the second power chip is AMS1117-3.3.

Further, the model of the MCU chip is STM32F103ZET6.

In the embodiment of the present application, the sensor module is used to collect environmental sensing parameters and send them to the control circuit, the control circuit sends a lamp driving signal to the RGB lamp driving circuit according to the environmental sensing parameters, and the RGB lamp driving circuit receives the lamp driving signal to control the RGB lamp circuit. RGB value and brightness; realize intelligent perception, intelligently control the car ambient light according to the environment, and improve the user's entertainment experience in the car.

Description of drawings

1 is a schematic structural diagram of a vehicle-mounted intelligent perception ambient light control system provided by an embodiment of the present application;

2 is a circuit diagram of a DCDC module of a vehicle-mounted intelligent perception ambient light control system provided by an embodiment of the present application;

3 is a circuit diagram of an LDO module of a vehicle-mounted intelligent sensing ambient light control system provided by an embodiment of the present application;

4 is a circuit diagram of an MCU controller of a vehicle-mounted intelligent perception ambient light control system provided by an embodiment of the present application;

5 is a circuit diagram of a USB-to-serial module of a vehicle-mounted intelligent perception ambient light control system provided by an embodiment of the present application;

6 is a first RGB lamp driving circuit diagram of a vehicle-mounted intelligent perception ambient lamp control system provided by an embodiment of the present application;

7 is a second RGB lamp driving circuit diagram of a vehicle-mounted intelligent perception ambient lamp control system provided by an embodiment of the present application;

FIG. 8 is a circuit diagram of an RGB lamp of an in-vehicle intelligent perception ambient lamp control system provided by an embodiment of the present application.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present application clearer, the specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all of the contents related to the present application. Before discussing the exemplary embodiments in greater detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart depicts various operations (or steps) as a sequential process, many of the operations may be performed in parallel, concurrently, or concurrently. Additionally, the order of operations can be rearranged. The process may be terminated when its operation is complete, but may also have additional steps not included in the figures. The processes may correspond to methods, functions, procedures, subroutines, subroutines, and the like.

With the continuous development of the automotive industry, consumers have higher and higher requirements for in-vehicle entertainment experience, and ambient lighting has become an indispensable part of the car. As a widely used decorative lighting, more and more Pre-installed in various models. Therefore, the application of ambient light in the perception of information inside and outside the car and the interaction with the people in the car can greatly enhance the acquisition of in-vehicle information and the entertainment experience of the people in the car, including passengers. The traditional in-vehicle sensing system perceives the information of the car body, but lacks the perception of the environment inside and outside the car, and is also relatively mechanical and unintelligent. In the embodiment of the present application, the car owner has accurate grasp of the temperature, humidity, air and other information in the car, and can control the ambient light through interactive methods such as voice gestures, which can significantly improve the entertainment experience in the car.

Based on this, the vehicle-mounted intelligent perception ambient light control system of the embodiment of the present application is provided to avoid the problems of poor real-time performance, incomplete recording state parameters, and lack of diversity of the driving recorder in the prior art.

FIG. 1 is a schematic structural diagram of a vehicle-mounted intelligent perception ambient light control system according to an embodiment of the present application. Referring to FIG. 1 , the circuit specifically includes: a power supply circuit, a control circuit, a sensor module, an RGB lamp drive circuit and an RGB lamp circuit; the control circuit is connected to the power supply circuit, the sensor module, the RGB lamp drive circuit and the RGB lamp A lamp circuit, the RGB lamp drive circuit is connected to the RGB lamp circuit, and the power circuit is connected to the sensor module, the RGB lamp drive circuit and the RGB lamp circuit.

Wherein, the sensor module is used to collect environmental sensing parameters and send them to the control circuit; the control circuit is used to send a lamp drive signal to the RGB lamp drive circuit according to the environment sensing parameters; the RGB lamp drive circuit A lamp driving signal is received to control the RGB value and brightness of the RGB lamp circuit; the power supply circuit is used to provide power.

Optionally, the sensor module includes: a temperature and humidity sensor, an alcohol sensor, an air quality detection sensor, a gesture recognition sensor and a voice recognition sensor.

Optionally, a touch screen is also included, and the touch screen is connected to the control circuit and the power circuit.

In some embodiments, the power supply circuit includes a DCDC circuit and an LDO circuit, the DCDC circuit is connected to the LDO circuit, and the LDO circuit is connected to the control circuit, the sensor module, the RGB lamp driving circuit and the RGB light circuit.

In some embodiments, please refer to FIG. 2 , the DCDC circuit includes a first power chip U1 , a first resistor R1 , a second resistor R2 , a third resistor R3 , a fourth resistor R4 , a first capacitor C1 , and a second capacitor C2, the third capacitor C3 and the first inductor L1; the first pin of the first power chip is connected to the first end of the first capacitor, and the second pin is connected to the first end of the first resistor and ground The third pin is connected to the second end of the first resistor and the first end of the second resistor, and the fourth pin is connected to the first end of the third resistor and the first end of the fourth resistor, The fifth pin is connected to the second end of the fourth resistor and the power input end, the sixth pin is connected to the second end of the first capacitor and the first end of the first inductor, and the second end of the second resistor The second end is connected to the first end of the first inductor, the first end of the second capacitor, the first end of the third capacitor and the power output end, the second end of the third resistor, the The second terminal of the second capacitor and the second terminal of the third capacitor are connected to the ground terminal.

In some embodiments, please refer to FIG. 3 , the LDO circuit includes a second power chip VR1, a second inductor FB1, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6 and a seventh capacitor C7; The first pin of the two power chips is connected to the first end of the fourth capacitor, the first end of the fifth capacitor and the first end of the second inductor, and the second pin is connected to the fourth capacitor The second terminal, the second terminal of the fifth capacitor, the first terminal of the sixth capacitor, the first terminal of the seventh capacitor and the ground terminal, and the third pin is connected to the second terminal of the sixth capacitor terminal, the second terminal of the seventh capacitor and the power output terminal, and the second terminal of the second inductor is connected to the power input terminal.

In some embodiments, please refer to FIG. 4 , the control circuit includes an MCU chip U2, a first crystal oscillator X1, an eighth capacitor C8 and a ninth capacitor C9, and the twenty-third pin of the MCU chip is connected to the first The first end of a crystal oscillator and the first end of the eighth capacitor, the twenty-fourth pin is connected to the second end of the first crystal oscillator and the first end of the ninth capacitor, and the eighth capacitor The first terminal and the first terminal of the ninth capacitor are connected to the ground terminal.

In some embodiments, please refer to FIG. 5 , a USB-to-serial port module is also included, and a CH340C chip is used to complete the communication function between the MCU controller and the host computer; the USB-to-serial port module includes a serial port chip U3, a tenth capacitor C10, the eleventh capacitor C11 and the twelfth capacitor C12; the first pin of the serial port chip is connected to the ground terminal, the fourth pin is connected to the first end of the twelfth capacitor, and the sixteenth pin is connected to the first end of the tenth capacitor One end, the first end of the eleventh capacitor and the power supply end; the second end of the twelfth capacitor is connected to the ground end.

In some embodiments, please refer to FIG. 6 , the RGB lamp driver circuit includes a first RGB lamp driver circuit and a second RGB lamp driver circuit, the first RGB lamp driver circuit includes a first amplifier, a fifth resistor R5, The sixth resistor R6, the seventh resistor R7, the eighth resistor R8, the ninth resistor R9, the twelfth capacitor C12 and the thirteenth capacitor C13; the positive input end of the first amplifier is connected to the first end of the fifth resistor and the sixth The first end of the resistor, the negative input end is connected to the first end of the seventh resistor and the first end of the eighth resistor, the power end is connected to the power input end of the first end of the twelfth resistor, and the ground end is connected to the second end of the eighth resistor. The terminal is grounded, the output terminal is connected to the first terminal of the ninth resistor and the second terminal of the fifth resistor; the second terminal of the sixth resistor is connected to the ground terminal, and the second terminal of the seventh resistor is connected to the voltage output terminal; the twelfth resistor The second end of the ninth resistor is connected to the ground end; the second end of the ninth resistor is connected to the first end of the thirteenth capacitor and the MCU chip.

7, the second RGB lamp driving circuit includes a first transistor Q1, a tenth resistor R10, an eleventh resistor R11 and a twelfth resistor R12; the collector of the first transistor is connected to the tenth resistor , the base is connected to the first end of the eleventh resistor and the first end of the twelfth resistor, the emitter is connected to the second end of the twelfth resistor and the ground terminal; the second end of the eleventh resistor is connected On the MCU chip, the second end of the tenth resistor is connected to the RGB lamp circuit; it can be understood that the second drive circuit includes three circuits, one for outputting the R control signal to the RGB lamp circuit, and one for outputting the G control signal to the RGB The lamp circuit, one is to output the B control signal to the RGB lamp circuit.

In some embodiments, please refer to FIG. 8 , the RGB lamp circuit includes a lamp chip LED1, a fourteenth capacitor C14, a fifteenth capacitor C15, a sixteenth capacitor C16, a seventeenth capacitor C17 and a third inductor FB2; The lamp chip is connected to the second drive circuit and receives the R, G, B control signals of the second drive circuit; the fourteenth capacitor, the fifteenth capacitor, the sixteenth capacitor and the seventeenth capacitor are connected in parallel and the first end is connected to the lamp The other end of the pin of the chip is connected to the first end of the third inductor, and the second end of the third inductor is connected to the power supply end.

Optionally, the model of the first power chip is MT2492.

Optionally, the model of the second power chip is AMS1117-3.3.

Optionally, the model of the MCU chip is STM32F103ZET6.

Optionally, the temperature and humidity sensor module adopts the GY-39 model, including the BME280 model environmental sensor. The temperature and humidity data inside the BME280 is read and output to the UART interface or IIC interface of the MCU controller.

Optionally, the air quality sensor module adopts the GP2Y1010AU0F model, and the output voltage value of the air quality is detected and sent to the ADC interface of the MCU controller for acquisition and processing.

Optionally, the speech recognition sensor module adopts the LD3320 model, and transmits the recognized speech information to the MCU controller through the SPI interface.

Optionally, the gesture recognition sensor module adopts the PAJ7620 model, and sends the recognized gesture information to the MCU controller through the IIC bus.

Among them, after the sensor collects the signal, it is converted into a digital signal through the ADC module, input to the MCU controller for data processing, and the MCU controller sends three-way light driving signals to drive the RGB ambient light. Wherein, the ambient light can be installed in multiple positions in the car.

Exemplarily, after the MCU is powered on, the hardware is initialized, the hardware configuration is successful, and the initial task is created. After the five main tasks are successfully created in the initial task, the end is completed. At the same time, the five main tasks start to be executed cyclically: gesture recognition scanning and parsing, Temperature and humidity detection and display, voice recognition detection and analysis, air quality detection and harmful gas detection and display, RGB-LED color mixing control.

In the RGB-LED color mixing control task, the main loop judges whether the current detection value of the alcohol sensor and the PM2.5 sensor exceeds the threshold. This threshold can be set in advance by yourself, and the default threshold is 35. If it exceeds, the red light flashes to alarm; otherwise, it continues to judge the current mode and executes the color mode or temperature mode.

You can directly enter the color mode by gesture operation. In the gesture control color mode, the gesture recognition module can recognize four gestures: slide up, slide down, slide left, and slide right. The slide up gesture corresponds to the command to increase the brightness of the ambient light, and the slide gesture corresponds to the command to decrease the brightness of the ambient light. 1% to 100% toggle. The left swipe and right swipe gestures correspond to color switching, which is designed to be 20 color switching.

Through the voice wake-up word "Ambient Light Classmate", you can directly enter the voice control color mode. The voice system can recognize "brightness up", "brightness down", "previous color", "next color", "turn on the light" , "Turn off the lights" six commands and execute them.

In the temperature mode, the current temperature value read from the temperature module is judged, and the corresponding color value is obtained by conversion to light up. It is white at 25°C. The higher the temperature, the redder the color. The lower the temperature, the bluer the color. The temperature measurement range is 0°C-40°C. The RGB color corresponding to 0°C is (255, 1, 1), and the corresponding The RGB color is (255, 255, 255), and the color RGB information corresponding to 40°C is (1, 1, 255). The rest are distributed linearly.

In the embodiment of the present application, the sensor module is used to collect environmental sensing parameters and send them to the control circuit, the control circuit sends a lamp driving signal to the RGB lamp driving circuit according to the environmental sensing parameters, and the RGB lamp driving circuit receives the lamp driving signal to control the RGB lamp circuit. RGB value and brightness; realize intelligent perception, intelligently control the car ambient light according to the environment, and improve the user's entertainment experience in the car.

The above are only the preferred embodiments of the present application and the applied technical principles. The present application is not limited to the specific embodiments described herein, and various obvious changes, readjustments and substitutions that can be made by those skilled in the art will not depart from the protection scope of the present application. Therefore, although the present application has been described in detail through the above embodiments, the present application is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present application. The scope is determined by the scope of the claims.

Claims (10)

1. A vehicle-mounted intelligent perception ambient light control system, characterized in that, comprising: a power supply circuit, a control circuit, a sensor module, a RGB lamp drive circuit and an RGB lamp circuit; The control circuit is connected to the power circuit, the sensor module, the RGB lamp drive circuit and the RGB lamp circuit, the RGB lamp drive circuit is connected to the RGB lamp circuit, and the power circuit is connected to the sensor module, the Describe the RGB lamp drive circuit and the RGB lamp circuit; The sensor module is used to collect environmental sensing parameters and send them to the control circuit; the control circuit is used to send a lamp drive signal to the RGB lamp drive circuit according to the environment sensing parameters; the RGB lamp drive circuit receives the lamp The driving signal is used to control the RGB value and brightness of the RGB lamp circuit; the power supply circuit is used to provide power. 2 . The vehicle-mounted intelligent perception ambient light control system according to claim 1 , wherein the sensor module comprises: a temperature and humidity sensor, an alcohol sensor, an air quality detection sensor, a gesture recognition sensor and a voice recognition sensor. 3 . 3. The vehicle-mounted intelligent sensing ambient light control system according to claim 1, wherein the power supply circuit comprises a DCDC circuit and an LDO circuit, the DCDC circuit is connected to the LDO circuit, and the LDO circuit is connected to the control Circuit, the sensor module, the RGB lamp driving circuit and the RGB lamp circuit. 4 . The vehicle intelligent sensing ambient light control system according to claim 3 , wherein the DCDC circuit comprises a first power chip, a first resistor, a second resistor, a third resistor, a fourth resistor, and a first capacitor. 5 . , a second capacitor, a third capacitor and a first inductor; the first pin of the first power chip is connected to the first end of the first capacitor, and the second pin is connected to the first end of the first resistor and Ground terminal, the third pin is connected to the second end of the first resistor and the first end of the second resistor, and the fourth pin is connected to the first end of the third resistor and the first end of the fourth resistor , the fifth pin is connected to the second end of the fourth resistor and the power input end, the sixth pin is connected to the second end of the first capacitor and the first end of the first inductor, the second resistor The second end of the first inductor is connected to the first end of the first inductor, the first end of the second capacitor, the first end of the third capacitor and the power output end, the second end of the third resistor, the The second terminal of the second capacitor and the second terminal of the third capacitor are connected to the ground terminal. 5. The vehicle-mounted intelligent sensing ambient light control system according to claim 3, wherein the LDO circuit comprises a second power chip, a second inductor, a fourth capacitor, a fifth capacitor, a sixth capacitor and a seventh capacitor ; The first pin of the second power chip is connected to the first end of the fourth capacitor, the first end of the fifth capacitor and the first end of the second inductor, and the second pin is connected to the The second end of the fourth capacitor, the second end of the fifth capacitor, the first end of the sixth capacitor, the first end of the seventh capacitor and the ground terminal, and the third pin is connected to the sixth The second end of the capacitor, the second end of the seventh capacitor and the power output end, and the second end of the second inductor is connected to the power input end. 6. The vehicle-mounted intelligent perception ambient light control system according to claim 1, wherein the control circuit comprises an MCU chip, a first crystal oscillator, an eighth capacitor and a ninth capacitor, and the twenty-third of the MCU chip The pin is connected to the first end of the first crystal oscillator and the first end of the eighth capacitor, and the twenty-fourth pin is connected to the second end of the first crystal oscillator and the first end of the ninth capacitor, The first terminal of the eighth capacitor and the first terminal of the ninth capacitor are connected to the ground terminal. 7 . The vehicle-mounted intelligent sensing ambient light control system according to claim 1 , further comprising a touch screen, wherein the touch screen is connected to the control circuit and the power supply circuit. 8 . 8 . The vehicle-mounted intelligent sensing ambient light control system according to claim 4 , wherein the model of the first power chip is MT2492. 9 . 9 . The vehicle-mounted intelligent perception ambient light control system according to claim 5 , wherein the model of the second power chip is AMS1117-3.3. 10 . 10 . The vehicle-mounted intelligent perception ambient light control system according to claim 6 , wherein the model of the MCU chip is STM32F103ZET6. 11 .

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