A New Type of Car Light Projection Control System

Abstract

The invention discloses a novel vehicle lamp projection control system, belonging to the field of vehicle-mounted electronic technology, comprising a lens, a lens bracket, a decorative ring, an inner lens, a display screen, a PCB board, a radiator and a fan which are arranged in sequence from front to back, wherein an information acquisition unit, a central processing unit and a motor control unit are arranged on the PCB board, and the display screen is arranged on the PCB board, thereby solving the technical problem that a driver cannot directly control the vehicle body projection equipment. The invention projects information onto the ground at night through projection technology, displays user-favorite patterns, texts, LOGOs, etc., and can be used in a welcome mode. The film source can be updated at will according to the user's preferences, and it is realized by wire or wireless.

Description

Technical Field

[0001] The invention belongs to the technical field of vehicle-mounted electronics, and in particular relates to a novel vehicle lamp projection control system. Background Art

[0002] The automobile industry is booming and people's economic strength is constantly improving. The pursuit of cars is not limited to performance. A better riding experience will become an important criterion for consumers to buy cars.

[0003] The current vehicle body projection device requires the driver to directly position the projection device at a proper angle, and cannot change the projection angle and the projected image at any time and place. Summary of the invention

[0004] The purpose of the present invention is to provide a novel vehicle lamp projection control system, which solves the technical problem that the driver cannot directly control the vehicle body projection equipment.

[0005] To achieve the above object, the present invention adopts the following technical solution:

[0006] A novel headlight projection control system includes a lens, a lens bracket, a decorative ring, an inner lens, a display screen, a PCB board, a radiator and a fan which are arranged in sequence from front to back. The PCB board is provided with an information collection unit, a central processing unit unit and a motor control unit, and the display screen is arranged on the PCB board;

[0007] The information collection unit includes a Bluetooth module, a WIFI module and a first MCU, and both the Bluetooth module and the WIFI module communicate with the first MCU through an IO port;

[0008] The central processor unit includes a memory card module and a second MCU, the memory card module is connected to the second MCU via an IO port; the display screen is connected to the second MCU via an IO port, and the first MCU and the second MCU communicate via a communication bus;

[0009] The motor control unit includes a third MCU and a motor controller. The third MCU communicates with the on-board computer of the vehicle via a CAN bus, and the motor controller is connected to the third MCU via an IO port.

[0010] Preferably, the lower part of the lens bracket is arranged on a pan-tilt platform, the pan-tilt platform is driven to rotate by a stepping motor, and the motor controller is electrically connected to the stepping motor.

[0011] Preferably, both the lens and the inner lens are convex lenses.

[0012] Preferably, the models of the first MCU, the second MCU and the third MCU are all STM32F030C6T6; the model of the WIFI module is SKW92A; and the model of the Bluetooth module is the Bluetooth 5.0 BLE module SKB501.

[0013] The novel vehicle light projection control system described in the present invention solves the technical problem that the driver cannot directly control the vehicle body projection equipment. The present invention projects information onto the ground at night through projection technology to display user's favorite patterns, texts, LOGOs, etc. It can be used in the welcome mode and can update the film source at will according to the user's preferences. It is achieved through wired or wireless communication. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention;

[0015] Figure 2 It is a schematic block diagram of a PCB board of the present invention;

[0016] Figure 3 It is a schematic block diagram of the information acquisition unit of the present invention;

[0017] Figure 4 is a schematic block diagram of a central processing unit of the present invention;

[0018] Figure 5 It is a schematic block diagram of the motor control unit of the present invention. DETAILED DESCRIPTION

[0019] like Figure 1-Figure 5 A novel vehicle light projection control system shown in the figure comprises a lens 1, a lens bracket 2, a decorative ring 3, an inner lens 4, a display screen 5, a PCB board 6, a heat sink 7 and a fan 8 which are arranged in sequence from front to back. An information acquisition unit, a central processing unit and a motor control unit are arranged on the PCB board 6, and the display screen 5 is arranged on the PCB board 6;

[0020] A window is provided on the lens holder 2, the lens 1 is arranged on the window of the lens holder 2, the decorative ring 3 is fixedly arranged on the rear side of the lens holder 2, the decorative ring 3 is also provided with a window, the inner lens 4 is arranged at the window of the decorative ring 3, the display screen 5 is arranged on the PCB board 6, the PCB board 6 is arranged on the radiator 7, the fan 8 is arranged on the rear side of the radiator 7, the decorative ring 3 is fixedly connected to the radiator 7 by screws, and the light emitted from the display screen 5 passes forward through the inner lens 4, the window of the decorative ring 3, the window of the lens holder 2 and the lens 1 in sequence.

[0021] After the display screen 5 displays the pattern, the designated image and text information are projected to the designated area through the convex lens imaging principle formed by the lens 1 and the inner lens 4.

[0022] The information collection unit includes a Bluetooth module, a WIFI module and a first MCU, and both the Bluetooth module and the WIFI module communicate with the first MCU through an IO port;

[0023] The Bluetooth module or the WIFI module obtains source signals including animations, LOGOs, pictures, etc. from external mobile devices. The first MCU sends the received source signals to the central control unit through the communication bus according to preset parameters.

[0024] The first MCU is mainly responsible for video encoding and decoding and data transmission. The first MCU communicates with the second MCU via a serial bus.

[0025] The external mobile device is a mobile phone or tablet computer.

[0026] The central processor unit includes a memory card module and a second MCU, the memory card module is connected to the second MCU via an IO port; the display screen 5 is connected to the second MCU via an IO port, and the first MCU and the second MCU communicate via a communication bus;

[0027] After receiving the film source signal, the central processing unit updates the film source: the second MCU saves the film source information obtained by the communication bus into the storage card module.

[0028] If there is no film source update, the second MCU retrieves the film source to be displayed from the memory card module, and controls and drives the display screen 5 to display the film source.

[0029] The memory card module used in this embodiment is a FLASH memory or an SD card. The model of the FLASH memory is AT45DB321D. The SD card communicates with the second MCU via an SD card reader / writer module. The SD card reader / writer module is a prior art and will not be described in detail.

[0030] The display screen 5 of this embodiment is an LED screen or an LCD screen.

[0031] The motor control unit includes a third MCU and a motor controller. The third MCU communicates with the on-board computer of the vehicle via a CAN bus, and the motor controller is connected to the third MCU via an IO port.

[0032] Preferably, the lower part of the lens bracket 2 is arranged on a pan-tilt platform, the pan-tilt platform is driven to rotate by a stepping motor, and the motor controller is electrically connected to the stepping motor.

[0033] The gimbal is installed on the front, door, tail or turn signal of the car.

[0034] Preferably, the lens 1 and the inner lens 4 are both convex lenses.

[0035] The model of the motor controller is L298N motor driver board module. The driver can directly control the rotation of the gimbal through the operation case, thereby controlling the projection angle.

[0036] The third MCU of this embodiment also communicates with the on-board computer via the CAN bus, and the user can control the rotation of the pan / tilt head via the touch screen of the on-board computer.

[0037] Preferably, the models of the first MCU, the second MCU and the third MCU are all STM32F030C6T6; the model of the WIFI module is SKW92A; and the model of the Bluetooth module is the Bluetooth 5.0 BLE module SKB501.

[0038] The novel vehicle light projection control system described in the present invention solves the technical problem that the driver cannot directly control the vehicle body projection equipment. The present invention projects information onto the ground at night through projection technology to display user's favorite patterns, texts, LOGOs, etc. It can be used in the welcome mode and can update the film source at will according to the user's preferences. It is achieved through wired or wireless communication.

Claims

1. A new type of vehicle light projection control system, characterized in that: The device comprises a lens (1), a lens bracket (2), a decorative ring (3), an inner lens (4), a display screen (5), a PCB board (6), a heat sink (7) and a fan (8) which are arranged in sequence from front to back, wherein an information collection unit, a central processing unit and a motor control unit are arranged on the PCB board (6), and the display screen (5) is arranged on the PCB board (6); A lens bracket (2) is provided with a window, a lens (1) is arranged on the window of the lens bracket (2), a decorative ring (3) is fixedly arranged on the rear side of the lens bracket (2), a window is also arranged on the decorative ring (3), an inner lens (4) is arranged on the window of the decorative ring (3), a PCB board (6) is arranged on a radiator (7), a fan (8) is arranged on the rear side of the radiator (7), the decorative ring (3) is fixedly connected to the radiator (7) by screws, and light emitted by a display screen (5) passes forward in sequence through the inner lens (4), the window of the decorative ring (3), the window of the lens bracket (2) and the lens (1); The information collection unit includes a Bluetooth module, a WIFI module and a first MCU, and both the Bluetooth module and the WIFI module communicate with the first MCU through an IO port; The central processing unit comprises a memory card module and a second MCU, the memory card module is connected to the second MCU via an IO port; the display screen (5) is connected to the second MCU via the IO port, and the first MCU and the second MCU communicate via a communication bus; The motor control unit includes a third MCU and a motor controller. The third MCU communicates with the vehicle's driving computer via a CAN bus, and the motor controller is connected to the third MCU via an IO port. The lower part of the lens bracket (2) is arranged on a pan platform, which is driven to rotate by a stepping motor, and the motor controller is electrically connected to the stepping motor.

2. A novel vehicle light projection control system as claimed in claim 1, characterized in that: The lens (1) and the inner lens (4) are both convex lenses.

3. A novel vehicle light projection control system as claimed in claim 1, characterized in that: The models of the first MCU, the second MCU and the third MCU are all STM32F030C6T6; the model of the WIFI module is SKW92A; and the model of the Bluetooth module is the Bluetooth 5.0 BLE module SKB501.

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