Calibration test system and method for ADB headlamp

Abstract

The invention discloses a calibration test system and method for an ADB headlamp, and belongs to the field of ADB headlamp control. The calibration test system of the ADB headlamp comprises a camera, a lamp controller, a computer and a lamp, the camera is used for collecting road image picture information; the lamp controller is used for receiving the road image picture information acquired by the camera, converting the road image picture information, transmitting the converted road image picture information to the computer, and sending control information to the lamp; the computer is used for synchronously displaying the road images shot by the camera and carrying out video recording and playback on the road images collected by the camera; the lamp is used for achieving the animation effect during lightening and extinguishing and the gradually-lightening and gradually-extinguishing breathing effect. According to the ADB headlamp calibration test system and method provided by the invention, a test sample can be reserved to provide a reference for subsequent tests, after a problem is found in the calibration test, a problem point can be traced, a convenient way is provided for solving the problem, and the manpower and material resource cost is saved.

Description

Technical Field

[0001] The invention relates to a calibration test system and method for an ADB headlamp, and belongs to the field of ADB headlamp control. Background Art

[0002] At present, the application of ADB headlights in the automotive lighting industry is gradually flourishing. Using ADB headlights can not only ensure the driver's clear high beam vision, but also combine with cameras to identify pedestrians in front, turn off or flash the high beam in the corresponding area, and keep other areas lit, which improves driving safety. At the same time, ADB headlights can also combine software to complete various animation effects, which increases the fun of using headlights.

[0003] In the existing technology, when conducting calibration tests on ADB headlights, only real-time calibration tests can be performed. Once a problem occurs at a certain point in the calibration test process, it is not easy to trace the problem or replicate the problem, which is not conducive to more effective problem solving and wastes manpower and material resources. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a calibration test system and method for ADB headlamps, which can retain test samples to provide references for future tests. After problems are found in the calibration test, the problem points can be traced back, providing a convenient way to solve the problems and saving manpower and material costs.

[0005] In order to solve the above technical problems, the technical solution of the present invention is: In one aspect, the present invention provides a calibration test system for an ADB headlamp, which comprises a camera, a lamp controller, a computer and a lamp; The camera is used to collect road image information; The lamp controller is used to receive the road image information collected by the camera, convert it and transmit it to the computer, and send control information to the lamp; The computer is used to synchronously display the road image pictures taken by the camera, and to record and play back the road image pictures collected by the camera; The lamp is used to perform animation effects when lighting up and extinguishing, as well as a gradual lighting and extinguishing breathing effect.

[0006] Furthermore, the lamp controller includes an MCU chip and a SOC chip; The SOC chip is used to receive the road image information collected by the camera and package it, and send it to the MCU chip through SPI communication; The MCU chip is used to receive information sent by the SOC chip and convert it into CAN message information, and send it to the lamp.

[0007] Furthermore, the computer is provided with matrix-client visual camera debugging tool software, and the matrix-client visual camera debugging tool software is used for recording and replaying the road image pictures collected by the camera.

[0008] Furthermore, the road image information collected by the camera includes pedestrian information and vehicle identification plate information.

[0009] Furthermore, a Gigabit Ethernet box is provided between the lamp controller and the computer for connection.

[0010] Furthermore, a MIPI interface is provided between the lamp controller and the camera for connection.

[0011] Another aspect of the present invention provides a test method for a calibration test system of an ADB headlamp, which specifically comprises the following steps: Step S1, build a test bench, prepare a computer and test tools, and install the matrix-client visual camera debugging tool software on the computer; Step S2, open the matrix-client visual camera debugging tool software, select the Record option, and set the IP address and the pack file save path; Step S3, start and run the matrix-client visual camera debugging tool software and the lamp, the camera collects road image information, transmits it to the lamp controller for processing, and transmits it to the computer for image display, and implements the online calibration test task of the lamp; Step S4, recording the road image video captured by the camera through the matrix-client visual camera debugging tool software, storing it in the local computer, saving and packaging it into a pack data packet; Step S5, click the playback option of the matrix-client visual camera debugging tool software, and use the saved pack data packet as a reference data source for the re-injection test; Step S6: verify the test scene according to steps S1 to S5 and optimize the lamp under test.

[0012] Furthermore, in step S3, the online calibration test task of the lamp is implemented, which specifically includes the following steps: Place the lamp on the stand, aim it at the calibrated wall, configure the matrix management chip according to the CAN message information sent by the lamp controller, control the lighting of each lamp bead in the lamp, and observe whether the gradual lighting and extinguishing breathing effect of the lamp when it is lit and extinguished meets the design requirements, and whether the lighting and extinguishing of each lamp meets the animation effect.

[0013] The above technical solution is adopted. The present invention sets a lamp controller to receive the road image information collected by the camera and converts it, and then transmits it to the computer and the lamp, which can realize the synchronous display of the road image and the control of the lamp on and off, simulate and restore the working conditions in the real car environment, and provide more data sources for the test calibration of the lamp. By installing the matrix-client visual camera debugging tool software in the computer, the road image collected by the camera can be recorded and played back, and the recorded driving video can be played back on the test bench, which simplifies the test method and process, and the test samples can be retained for reference in future tests. After the problem is found in the calibration test, the problem point can be traced back, providing a convenient way to solve the problem and saving manpower and material costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a principle block diagram of the calibration test system of the ADB headlamp of the present invention; Figure 2 It is a schematic diagram of the calibration test system of the ADB headlamp of the present invention; Figure 3 The present invention is a flow chart of a test method of the calibration test system of the ADB headlamp. DETAILED DESCRIPTION

[0015] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments in conjunction with the accompanying drawings.

[0016] Embodiment 1 like Figure 1 As shown, this embodiment provides a calibration test system for ADB headlights, which includes a camera, a lamp controller, a computer and a lamp; The camera is used to collect road image information, which includes pedestrian information and vehicle identification plate information; The lamp controller is used to receive the road image information collected by the camera, convert it, and transmit it to the computer, and send control information to the lamp; The computer is used to synchronously display the road image screen captured by the camera, and to record and play back the road image screen captured by the camera; Lamps are used to perform animation effects when lighting up and extinguishing, as well as gradual lighting and extinguishing breathing effects.

[0017] like Figure 2 As shown, the lamp controller of this embodiment includes an MCU chip and a SOC chip; The SOC chip is used to receive the road image information collected by the camera and package it, and send it to the MCU chip through SPI communication. The SPI communication has 4 signal channels, including one SCK clock signal, one SCS chip select signal, one MOSI master-out slave-in data signal, and one MOSI master-in slave-out data signal. The MCU chip is used to receive the information sent by the SOC chip and convert it into CAN message information and send it to the lamp. CAN communication has two signal channels, including CAN_H and CAN_L.

[0018] like Figure 2 As shown, the computer of this embodiment is provided with matrix-client visual camera debugging tool software, and the matrix-client visual camera debugging tool software is used to record and play back the road image pictures collected by the camera.

[0019] like Figure 2 As shown, a Gigabit Ethernet box is set between the lamp controller and the computer of this embodiment for connection, and the road image picture information collected by the camera is transmitted through Ethernet communication. The Ethernet communication has a total of 12 signal channels, including one channel for sending a clock signal, one channel for sending a control signal, four channels for sending data signals, one channel for receiving a clock signal, one channel for receiving a control signal and four channels for receiving data signals.

[0020] like Figure 2 As shown, a MIPI interface is set between the lamp controller and the camera of this embodiment for connection, and the road image picture information collected by the camera is transmitted through IIC communication. The IIC communication has a total of 13 signal channels, including an IIC reset signal, an IIC data signal, an IIC clock signal, a group of differential analog clock signals (2 channels), and four groups of differential analog data signals (8 channels).

[0021] Embodiment 2 like Figure 3 As shown, this embodiment provides a test method for the calibration test system of the ADB headlamp as in the first embodiment, which specifically includes the following steps: Step S1, build a test bench, prepare a computer and test tools, and install the matrix-client visual camera debugging tool software on the computer; Step S2, open the matrix-client visual camera debugging tool software, select the Record option, and set the IP address, port parameter, and pack file save path; Step S3, start and run the matrix-client visual camera debugging tool software and the lamp, Ethernet communication and CAN communication work normally, data transmission is normal, the camera collects road image information, transmits it to the lamp controller for processing, and transmits it to the computer for screen display, and implements the online calibration test task of the lamp; Step S4, recording the road image video captured by the camera through the matrix-client visual camera debugging tool software, storing it in the local computer, saving and packaging it into a pack data packet; Step S5, click the playback option of the matrix-client visual camera debugging tool software, and use the saved pack data packet as a reference data source for the recharge test, so as to provide calibration test for the lamps to be tested later; Step S6: In case of a large number of test scenarios, different test scenarios can be verified according to steps S1 to S5, so as to continuously optimize the lamp under test.

[0022] In step S3 of this embodiment, the online calibration test task of the lamp is implemented, which specifically includes the following steps: Place the lamp on the stand, aim it at the calibrated wall, configure the ASL5xxxSHN matrix management chip according to the CAN message information sent by the lamp controller, control the lighting of each lamp bead in the lamp, and observe whether the gradual lighting and extinguishing breathing effect of the lamp when it is lit and extinguished meets the design requirements, and whether the lighting and extinguishing of each lamp conforms to the animation effect and whether there are any unreasonable movements.

[0023] The working principle of the present invention is as follows: The camera collects road image information, and the lamp controller receives the road image information collected by the camera and transmits it to the computer after conversion and processing, and sends control information to the lamp. At the same time, the road image collected by the camera is recorded through the matrix-client visual camera debugging tool software in the computer and saved as a pack data packet. When the lamp to be tested needs to be calibrated in the future, the stored pack data packet is played back through the matrix-client visual camera debugging tool software. The pack data packet is used as the reference data source for the re-injection test and is transmitted back to the lamp controller through Ethernet communication for processing.

[0024] The present invention sets a lamp controller to receive road image information collected by a camera, converts it, and then transmits it to a computer and a lamp, thereby realizing synchronous display of road images and control of the lighting of lamps, simulating and restoring working conditions in a real vehicle environment, and providing more data sources for lamp testing and calibration. By installing matrix-client visual camera debugging tool software in a computer, video recording and playback of road images collected by the camera can be performed, and recorded driving videos can be simulated and played back on a test bench, thereby simplifying the testing method and process, and test samples can be retained to provide a reference for future tests. After a problem is found in the calibration test, the problem point can be traced back, thereby providing a convenient way to solve the problem and saving manpower and material costs.

[0025] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A calibration test system for ADB headlights, characterized in that: It includes cameras, lighting controllers, computers and lighting fixtures; The camera is used to collect road image information; The lamp controller is used to receive the road image information collected by the camera, convert it and transmit it to the computer, and send control information to the lamp; The computer is used to synchronously display the road image pictures taken by the camera, and to record and play back the road image pictures collected by the camera; The lamp is used to perform animation effects when lighting up and extinguishing, as well as a gradual lighting and extinguishing breathing effect.

2. The ADB headlamp calibration test system according to claim 1, characterized in that: The lamp controller includes an MCU chip and a SOC chip; The SOC chip is used to receive the road image information collected by the camera and package it, and send it to the MCU chip through SPI communication; The MCU chip is used to receive information sent by the SOC chip and convert it into CAN message information, and send it to the lamp.

3. The calibration test system for ADB headlights according to claim 2, characterized in that: The computer is provided with matrix-client visual camera debugging tool software, and the matrix-client visual camera debugging tool software is used for video recording and playback of road image pictures collected by the camera.

4. The ADB headlamp calibration test system according to claim 3, characterized in that: The road image information collected by the camera includes pedestrian information and vehicle identification plate information.

5. The ADB headlamp calibration test system according to claim 4, characterized in that: A Gigabit Ethernet box is provided between the lamp controller and the computer for connection.

6. The ADB headlamp calibration test system according to claim 5, characterized in that: A MIPI interface is provided between the lamp controller and the camera for connection.

7. A test method for the calibration test system of an ADB headlamp according to any one of claims 1 to 6, characterized in that: The specific steps include: Step S1, build a test bench, prepare a computer and test tools, and install the matrix-client visual camera debugging tool software on the computer; Step S2, open the matrix-client visual camera debugging tool software, select the Record option, and set the IP address and the pack file save path; Step S3, start and run the matrix-client visual camera debugging tool software and the lamp, the camera collects road image information, transmits it to the lamp controller for processing, and transmits it to the computer for image display, and implements the online calibration test task of the lamp; Step S4, recording the road image video captured by the camera through the matrix-client visual camera debugging tool software, storing it in the local computer, saving and packaging it into a pack data packet; Step S5, click the playback option of the matrix-client visual camera debugging tool software, and use the saved pack data packet as a reference data source for the re-injection test; Step S6: verify the test scene according to steps S1 to S5 and optimize the lamp under test.

8. The test method of the calibration test system of the ADB headlamp according to claim 7, characterized in that: In step S3, the online calibration test task of the lamp is implemented, which specifically includes the following steps: Place the lamp on the stand, aim it at the calibrated wall, configure the matrix management chip according to the CAN message information sent by the lamp controller, control the lighting of each lamp bead in the lamp, and observe whether the gradual lighting and extinguishing breathing effect of the lamp when it is lit and extinguished meets the design requirements, and whether the lighting and extinguishing of each lamp meets the animation effect.

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