Automobile lamp illumination detection control system
By designing a portable automotive lighting illuminance testing system, which uses a servo motor and illuminance sensor to obtain lighting illuminance values, the system solves the problem of lack of testing conditions in the parts testing department and achieves low-cost and efficient lighting performance evaluation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FAW JIEFANG AUTOMOTIVE CO
- Filing Date
- 2025-06-23
- Publication Date
- 2026-06-16
AI Technical Summary
The lack of a darkroom for light distribution testing in the parts testing department makes it impossible to effectively detect changes in the illuminance of automotive lamps, increasing experimental costs and making it difficult to assess the decline in lamp performance.
A portable detection system was designed, comprising a signal interface, a host computer, a controller, a driver, a servo motor, an actuator, and an illuminance sensor. The servo motor controls the lamp to move to the detection position, and the illuminance sensor acquires the illuminance value and sends it to the host computer for analysis.
It enables convenient and low-cost testing in the component testing department, and can evaluate the changes in illuminance of lamps before and after testing in different environments, reducing the investment in experimental equipment and the complexity of operation.
Smart Images
Figure CN224365745U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lamp illuminance detection technology, and in particular to an automotive lamp illuminance detection and control system. Background Technology
[0002] During component suppliers and vehicle testing, manufacturers have specialized darkrooms to test light distribution performance. However, component testing departments lack the necessary testing facilities. Specifically, the investment in darkroom space, equipment, and personnel is substantial, making it unsuitable for component testing departments to test the illuminance of lamps.
[0003] During component testing, in accordance with the requirements of automotive lighting environmental testing standards, it is necessary to test the change in luminous intensity before and after the lighting environmental test in order to assess the degree of performance degradation of the lighting and to identify potential problems and deficiencies. Utility Model Content
[0004] This utility model provides an automotive lighting illuminance detection and control system to provide an easy-to-operate lighting illuminance detection device.
[0005] This utility model provides an automotive lighting illuminance detection and control system, including: a signal interface, a host computer, a controller, a driver, a servo motor, an actuator, and an illuminance sensor;
[0006] The signal interface is used to receive the detected position of the lamp; the signal interface is electrically connected to the host computer and is used to send the detected position to the host computer; the host computer is electrically connected to the controller so that the controller drives the driver according to the detected position; the driver is used to drive the servo motor to work; the servo motor is used to drive the lamp to move to the detected position through the execution component;
[0007] The illuminance sensor is positioned relative to the lamp to acquire the illuminance value of the lamp; the illuminance sensor is also connected to the host computer to transmit the illuminance value to the host computer.
[0008] In this invention, the automotive lighting illuminance detection and control system is a simple and portable lighting detection system consisting of a signal interface, a host computer, a controller, a driver, a servo motor, an actuator, and an illuminance sensor. The signal interface receives the detection position of the lighting fixture. The host computer, through the controller, drives the driver according to the detection position, causing the driver to drive the servo motor, which moves the lighting fixture to the detection position. The illuminance sensor is positioned at a set distance from the lighting fixture to acquire the illuminance value and send it to the host computer. This embodiment controls the detection position of the lighting fixture through a servo motor, enabling the illuminance sensor to acquire the illuminance values at each test point (detection position) in the actual light distribution area. The set position is a relatively small test distance, resulting in a small space footprint for the lighting detection system. It can be used for illuminance change tests before and after different environmental tests, such as high temperature or high pressure. Furthermore, the simple structure of the lighting detection system effectively reduces experimental costs. Attached Figure Description
[0009] Figure 1 A schematic diagram of the structure of an automotive lighting illuminance detection and control system provided in this embodiment of the present invention;
[0010] Figure 2 A schematic diagram of the structure of a human-machine interface provided in an embodiment of this utility model;
[0011] Figure 3 A schematic diagram of another automotive lighting illuminance detection and control system provided in this embodiment of the present invention;
[0012] Figure 4 This is a schematic diagram of another human-machine interface provided in an embodiment of the present invention. Detailed Implementation
[0013] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.
[0014] This utility model provides an automotive lighting illuminance detection and control system. Figure 1 A schematic diagram of the structure of an automotive lighting illuminance detection and control system provided in this embodiment of the present invention is shown below. Figure 1 As shown, it includes: signal interface 11, host computer 12, controller 13, driver 14, servo motor 15, execution unit 16 and illuminance sensor 17;
[0015] Signal interface 11 is used to receive the detection position of lamp 21; signal interface 11 is electrically connected to host computer 12 and is used to send the detection position to host computer 12; host computer 12 is electrically connected to controller 13 so that controller 13 drives driver 14 according to the detection position; driver 14 is used to drive servo motor 15 to work; servo motor 15 is used to drive lamp 21 to the detection position through actuator 16;
[0016] Illuminance sensor 17 is positioned with lamp 21 to obtain illuminance value of lamp 21; illuminance sensor 17 is connected to host computer 12 for transmitting illuminance value to host computer 12.
[0017] According to the requirements of automotive lighting environmental testing standards, it is necessary to test the change in luminous intensity before and after the lighting environmental test to assess the degree of performance degradation and identify potential problems and deficiencies. While vehicle manufacturers have specialized darkrooms for testing light distribution performance at the component supplier level, OEM testing requires significant investment in space, equipment, and personnel for these darkrooms. However, component testing departments lack the necessary testing facilities. Based on this, the inventor has developed a portable and easy-to-operate lighting illuminance detection and control system to automatically detect changes in lighting illuminance before and after testing.
[0018] Signal interface 11 is used to receive the detection position input by the user, so that the host computer 12 controls the controller 13, and the controller 13 drives the servo motor 15 to move through the driver 14. The servo motor 15 is used to move the lamp 21 to the detection position through the actuator 16. Optionally, the actuator 16 includes, but is not limited to, a gear and rack structure. Optionally, the servo motor 15 can be used to control the lamp 21 to rotate at different angles to determine different detection positions of the lamp 21.
[0019] The illuminance sensor 17 can be positioned at a set distance from the lamp 21 to acquire the illuminance value of the lamp 21. As the lamp 21 rotates at different angles, different light distribution point positions (detection positions) of the lamp 21 are determined, and the illuminance sensor 17 can collect the illuminance values at these different light distribution point positions. Because the distance between the illuminance sensor 17 and the lamp 21 at the set distance is small, it occupies little space, and the overall cost of the automotive lamp illuminance detection and control system is low. While it cannot accurately test the light distribution performance of the lamp, it can measure the degree of performance degradation of the lamp before and after environmental testing. For example, if the lamp needs to undergo high-pressure environmental testing, this embodiment can measure the illuminance value of the lamp 21 at a certain detection position before the high-pressure environmental test, and can also measure the illuminance value of the lamp 21 at a certain detection position after the high-pressure environmental test. If the difference between the two illuminance values is large, the performance degradation of the lamp is significant, and the lamp's reliability is poor.
[0020] In this embodiment, the illuminance sensor 17 is communicatively connected to the host computer 12 and is used to send illuminance values to the host computer 12. The host computer 12 can effectively control the illuminance sensor 17 to measure the illuminance values of the lamp 21 before and after the environmental test, and can determine the performance changes of the lamp 21 based on the difference in illuminance values. Optionally, the illuminance sensor 17 can be wirelessly connected to the host computer 12.
[0021] In this embodiment of the invention, the automotive lighting illuminance detection and control system is a simple and portable lighting detection system consisting of a signal interface, a host computer, a controller, a driver, a servo motor, an actuator, and an illuminance sensor. The signal interface receives the detection position of the lighting fixture. The host computer, through the controller, drives the driver according to the detection position, causing the driver to drive the servo motor, which moves the lighting fixture to the detection position. The illuminance sensor is positioned at a set distance from the lighting fixture to acquire the illuminance value and send it to the host computer. This embodiment controls the detection position of the lighting fixture through the servo motor, enabling the illuminance sensor to acquire the illuminance values at each test point (detection position) in the actual light distribution area. The set position is a relatively small test distance, resulting in a small space footprint for the lighting detection system. It can be used for illuminance change tests before and after different environmental tests, such as high temperature or high pressure. Furthermore, the simple structure of the lighting detection system effectively reduces experimental costs.
[0022] The above is the core idea of this utility model. The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0023] Figure 2 A schematic diagram of a human-machine interface provided for an embodiment of this utility model, as shown below. Figure 2 As shown, optionally, the automotive lighting illuminance detection and control system may further include: a human-machine interface 22; a signal interface 11 located on the human-machine interface 22, used to receive the detection position input by the user. The human-machine interface 22 facilitates the input of detection commands by users or inspection personnel; specifically, it receives the specific data of the detection position input by the user, i.e., the light distribution position data. The data can be... Figure 2 Enter the data in the form of a chart. Continue to refer to [reference needed]. Figure 2Optionally, the host computer 12 can also be used to control the human-machine interface 22 to display a detection position chart; the detection position chart includes at least horizontal and vertical angles; the host computer 12 is used to convert the detection position chart into an executable file for the controller 13, so that the controller 13 drives the driver 14. The horizontal and vertical angles can precisely define the rotation angle of the lamp 21. The host computer 12 can compile the detection position chart into an executable file using a compiler, and the controller 13 controls the driver 14 to drive the servo motor 15. The visual human-machine interface makes it easy for operators to obtain the detection position at any time, improving control accuracy.
[0024] Figure 3 This is a schematic diagram of another automotive lighting illuminance detection and control system provided in an embodiment of the present invention. Optionally, the automotive lighting illuminance detection and control system may further include a storage module 18; a host computer 12 is electrically connected to the storage module 18 and is used to send experimental test data to the storage module 18; the experimental test data includes at least the detection time, detection position, and illuminance value; the detection position includes at least a horizontal angle and a vertical angle. To obtain the illuminance value of each illuminance detection in detail, experimental test data is generated when the storage module 18 stores each illuminance value. Each experimental test data will correspondingly store the detection time, detection position, and illuminance value.
[0025] Continue to refer to Figure 3 Optionally, the automotive lighting illuminance detection and control system may further include: a temperature sensor 19; the temperature sensor 19 is used to measure the ambient temperature; the illuminance sensor 17 is also used to: measure the first illuminance value of the lamp 21 at the first detection position before the environmental test; and measure the second illuminance value of the lamp 21 at the first detection position after the environmental test; the experimental test data also includes the ambient temperature. In a specific example, if the lamp 21 needs to undergo a high-temperature environment test or a high-pressure environment test, the first illuminance value of the illuminance sensor 17 at the first detection position can be controlled before the environmental test, and the second illuminance value of the illuminance sensor 17 at the first detection position can be controlled after the environmental test. Optionally, the host computer 12 may also be used to obtain the illuminance difference between the first illuminance value and the second illuminance value; furthermore, it should be noted that the illuminance difference can be stored as experimental test data.
[0026] Based on the above embodiments, the host computer 12 can also be used to display the experimental test data as an experimental test data table on the human-machine interface 22. Figure 4 This is a schematic diagram of another human-machine interface provided in an embodiment of the present utility model. The chart analysis program of the host computer 12 can display the experimental test data to the tester in the form of charts through the human-machine interface. The host computer 12 can also automatically calculate the change ratio of illuminance before and after the environmental test, realize the automatic detection of lamp illuminance, and improve the efficiency of lamp illuminance detection.
[0027] In this invention, a servo motor is used to control the rotation angle of the lamp under test, and a sensor acquires data from each test point in the actual light distribution area. To reduce testing costs, the testing distance needs to be reduced; therefore, it is not suitable for testing the light distribution performance of lamps, but only for testing illuminance changes before and after environmental testing. It should be noted that the actuator and illuminance sensor can be replaced with components of appropriate precision according to actual usage; this embodiment specifically limits this.
[0028] Note that the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention. The scope of the present invention is determined by the scope of the appended claims.
Claims
1. A vehicle lighting illuminance detection and control system, characterized in that, include: Signal interface, host computer, controller, driver, servo motor, actuator and illuminance sensor; The signal interface is used to receive the detected position of the lamp; The signal interface is electrically connected to the host computer and is used to send the detected position to the host computer; the host computer is electrically connected to the controller so that the controller drives the driver according to the detected position; The driver is used to drive the servo motor to work; the servo motor is used to move the lamp to the detection position through the execution component; The illuminance sensor is positioned relative to the lamp to acquire the illuminance value of the lamp; the illuminance sensor is also connected to the host computer to transmit the illuminance value to the host computer.
2. The automotive lighting illuminance detection and control system according to claim 1, characterized in that, Also includes: Human-computer interface; The signal interface is located on the human-machine interface and is used to receive the detection position input by the user.
3. The automotive lighting illuminance detection and control system according to claim 2, characterized in that, The host computer is also used to control the human-machine interface to display a detection position chart; the detection position chart includes at least horizontal and vertical angles. The host computer is used to convert the detection location chart into an executable file for the controller, so that the controller can drive the driver.
4. The automotive lighting illuminance detection and control system according to claim 2, characterized in that, It also includes a storage module; the host computer is electrically connected to the storage module and is used to send experimental test data to the storage module; The experimental test data includes at least the detection time, detection location and its illuminance value; the detection location includes at least the horizontal angle and the vertical angle.
5. The automotive lighting illuminance detection and control system according to claim 4, characterized in that, The illuminance sensor is also used to: measure the first illuminance value of the luminaire at the first detection position before the environmental test; and measure the second illuminance value of the luminaire at the first detection position after the environmental test.
6. The automotive lighting illuminance detection and control system according to claim 5, characterized in that, The host computer is also used to obtain the illuminance difference between the first illuminance value and the second illuminance value; The experimental test data also includes the illuminance difference.
7. The automotive lighting illuminance detection and control system according to any one of claims 4-6, characterized in that, The host computer is also used to display the experimental test data as an experimental test data table on the human-machine interface.
8. The automotive lighting illuminance detection and control system according to claim 1, characterized in that, The servo motor is specifically used to control the rotation angle of the lamp to determine the detection position of the lamp.
9. The automotive lighting illuminance detection and control system according to claim 1, characterized in that, The illuminance sensor is wirelessly connected to the host computer.
10. The automotive lighting illuminance detection and control system according to claim 1, characterized in that, The actuating component includes a gear and rack structure.