High-temperature-resistant detection device for automobile driving lamp production

Abstract

The utility model relates to the technical field of automobile lamp detection, in particular to a high-temperature-resistant detection device for automobile driving lamp production, which comprises a fixing device for fixing an automobile lamp and high-temperature vibration detection equipment for performing high-temperature vibration detection on the automobile lamp, the high-temperature vibration detection equipment comprises a high-temperature test box, a test plate, a high-frequency linear vibrator and a shaking assembly for simulating vehicle shaking, and the two sides of the test plate are connected with the inner wall of the high-temperature test box through connecting pieces; the shaking assembly comprises telescopic rods which are arranged in a symmetrical structure, and the top of each telescopic rod is connected with an up-and-down limiting motion rod; according to the high-temperature vibration detection equipment, the high-temperature test box is matched with vibration and shaking to carry out high-temperature detection on the vehicle lamp on the fixing device on the test plate, vibration simulates the running environment of the vehicle lamp under the high-temperature severe road condition, it is proved that the vehicle lamp can bear continuous vibration and impact, vehicle lamp damage or functional faults cannot occur, and the vehicle lamp is protected. The performance and brightness test is maintained, and the accuracy of the test result is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lamp detection, in particular to a high temperature resistant detection device for the production of vehicle running lamps. Background Art

[0002] According to relevant national standards and regulations in my country, driving lights must undergo strict high temperature resistance tests before production and delivery. Specifically, according to GB 7258-2017 "Technical Conditions for Motor Vehicle Operation Safety", motor vehicle manufacturers shall conduct strict safety, durability and reliability tests on all components and systems that affect driving safety. This includes high temperature resistance tests. The standard stipulates that all vehicles shall undergo various performance tests under specified test conditions, including but not limited to high temperature resistance tests. Similarly, GB 38900-2020 "General Requirements for Electrical Devices of Motor Vehicles and Trailers" also puts forward corresponding requirements for the use of driving lights, which also includes high temperature resistance tests. Therefore, driving light manufacturers must conduct high temperature resistance tests on driving lights before production and delivery to ensure that they can work normally under various climatic conditions and ensure road traffic safety.

[0003] The automobile light detection device described in the prior art includes a base and a side panel, wherein the side panel is located at the top of the base, and the bottom of the side panel and the top of the base are welded, a bracket is provided on the side of the side panel, and an electric telescopic rod is provided on the top of the bracket, the bracket is C-shaped, and a cross plate, a sliding sleeve, a first connecting rod, a second connecting rod, a sleeve and a clamping rod are provided at the bottom of the bracket, a metal rod, a slide rail, a slider and a fixed plate are provided on the top of the base, and a coil is provided above the base, a refracting mirror is provided on the top of the slider, and a color temperature sensor is provided on one side of the fixed plate, the slide rail and the fixed plate are both welded to the top of the base, and the slider is located at the top of the slide rail, the two ends of the cross plate are respectively located on both sides of the bracket, and the cross plate is slidably connected to both sides of the bracket; the above-mentioned automobile light detection device is convenient for fixing different lights for temperature sensing detection.

[0004] However, the automobile headlight detection device in the current existing technology only fixes the headlight by a fixing device, and does not well simulate the environment in which the headlight is driving under high temperature and harsh road conditions to prove that the headlight can withstand continuous vibration and impact in a high temperature environment, resulting in inaccurate detection and limited use. Utility Model Content

[0005] The purpose of the utility model is to provide a high temperature resistant detection device for automobile driving lamp production to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A high temperature resistant testing device for automobile driving lamp production, comprising a fixing device for fixing the lamp and a high temperature vibration testing device for performing high temperature vibration testing on the lamp, wherein the high temperature vibration testing device comprises a high temperature test box, a test board, a high frequency linear vibrator and a shaking assembly for simulating vehicle shaking, wherein both sides of the test board are connected to the inner wall of the high temperature test box through a connecting piece;

[0008] The shaking assembly includes telescopic rods arranged in a symmetrical structure, the telescopic rods are located inside the high-temperature test box, each telescopic rod is connected to an upper and lower limit movement rod on the top, each limit movement rod is connected to a first limit block on the outer wall on one side of the middle part, and a second limit block is arranged on the outer wall of the top of each limit movement rod just above the first limit block, the outer walls on both sides of the test plate are limited between the first limit block and the second limit block, and the telescopic rod is connected to the control device through a wire.

[0009] As a preferred solution of the utility model, the high-frequency linear vibrator is located below the test plate inside the high-temperature test box, and the high-frequency linear vibrator is connected to the control device through a wire.

[0010] As a preferred solution of the utility model, the connecting parts are distributed in a supporting structure on both sides of the test plate, and each of the connecting parts includes a connecting block, a first shaft rod, a spring, a second shaft rod and a fixed seat. The outer wall on one side of the connecting block is connected to the outer wall of the test plate away from the shaking assembly. The first shaft rod is arranged in a T-shaped structure, and one end of the first shaft rod is rotatably connected to the connecting block. The spring is located between the first shaft rod and the second shaft rod, one end of the spring is connected to the circumferential wall of the outer wall of the first shaft rod, and the other end of the spring is connected to the circumferential wall of the outer wall of the second shaft rod. The end of the second shaft rod away from the spring is connected to the fixed seat, and the fixed seat is connected to the inner wall of the high temperature test box.

[0011] As a preferred solution of the utility model, the fixing device includes a fixing cover, the fixing cover is provided with a fixing through hole for fixing the headlight, the headlight is fixed in the fixing through hole, the outer wall of the fixing cover is provided with a connecting ear, and the connecting ear is connected to the top of the test plate by a bolt.

[0012] As a preferred solution of the utility model, a heating plate is provided inside the high-temperature test box, the heating plate is connected to a temperature controller via a wire, and the temperature controller is connected to an external master control device.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In response to the problems raised in the background technology, the high temperature vibration detection equipment of the present application performs high temperature detection on the headlights on the fixture of the test board through a high temperature test box in combination with vibration and shaking. The vibration simulates the driving environment of the headlights under harsh road conditions to prove whether the headlights can withstand continuous vibration and impact, whether there will be damage or functional failure of the headlights, and to ensure as much as possible that the headlights can effectively resist vibration and impact and maintain their performance and brightness in complex and changeable mountain roads, rugged off-road roads or any other harsh driving environment;

[0015] It can help automakers consider potential high-temperature vibration problems during the production stage, thereby avoiding product quality problems caused by these problems. By simulating vibration and shaking, researchers can evaluate and improve the stability and durability of headlights in extreme environments, which helps improve vehicle safety and user satisfaction, as well as corporate competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall fixing device of the utility model;

[0018] Figure 3 This is a schematic diagram of the test board and connector of the utility model;

[0019] Figure 4 It is a side view of the overall shaking component of the utility model.

[0020] In the figure: 1. fixing device; 11. fixing cover; 12. fixing through hole; 13. connecting ear; 2. high temperature vibration detection equipment; 21. high temperature test box; 22. test board; 23. high frequency linear vibrator; 241. telescopic rod; 242. limiting motion rod; 243. first limiting block; 244. second limiting block; 25. connecting block; 251. first shaft rod; 252. spring; 253. second shaft rod; 254. fixing seat. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the embodiments of the present invention.

[0022] Example

[0023] Each device in this application document adopts a conventional model in the prior art, and the control method is to control through a controller. The control circuit of the controller can be implemented by simple programming by technicians in this field, which belongs to the common knowledge in this field, so this application document will not explain it in detail.

[0024] See also Figure 1-4The utility model provides a technical solution: a high temperature resistant detection device for automobile driving lamp production, comprising a fixing device 1 for fixing the lamp and a high temperature vibration detection device 2 for performing high temperature vibration detection on the lamp, the high temperature vibration detection device 2 comprises a high temperature test box 21, a test board 22, a high frequency linear vibrator 23 and a shaking component for simulating vehicle shaking, a heating plate is arranged inside the high temperature test box 21, the heating plate is connected to a temperature controller through a wire, and the temperature controller is connected to an external general control device; both sides of the test board 22 are connected to the inner wall of the high temperature test box 21 through a connecting piece; the high frequency linear vibrator 23 is located below the test board 22 in the high temperature test box 21, and the high frequency linear vibrator 23 is connected to the control device through a wire; the fixing device 1 comprises a fixing cover 11, a fixing through hole 12 for fixing the lamp is opened through the fixing cover 11, the lamp is fixed in the fixing through hole 12, a connecting ear 13 is arranged on the outer wall of the fixing cover 11, and the connecting ear 13 is connected to the top of the test board 22 through a bolt.

[0025] It should be noted that, in this embodiment, the fixing cover 11 is provided to facilitate the testing after fixing the lamp, and on the other hand, the fixing cover 11 simulates the working environment of the lamp installed inside the lamp reflective protective cover to ensure the accuracy of the detection;

[0026] Furthermore, the design of the fixed cover 11 can provide a relatively stable working environment for the vehicle lamp, making the test result more accurate. At the same time, the fixed cover 11 can place the vehicle lamp therein, which can better simulate the actual use situation and ensure the reliability of the test result.

[0027] Furthermore, by setting a high-frequency linear vibrator 23 at the bottom of the test plate 22, the high-frequency linear vibrator 23 cooperates with the high-temperature test box 21 to simulate the vibration of the vehicle in a high-temperature use environment, so as to detect whether the headlights are damaged or have functional failures under continuous vibration and impact. This can help manufacturers more realistically evaluate the performance of the headlights in this situation, including its durability and stability, and improve corporate competitiveness.

[0028] See also Figure 1 , 34. The shaking assembly includes a telescopic rod 241 arranged in a symmetrical structure. The telescopic rod 241 is located inside the high temperature test box 21. An upper and lower limit motion rod 242 is connected to the top of each telescopic rod 241. A first limit block 243 is connected to the outer wall on one side of the middle of each limit motion rod 242. A second limit block 244 is arranged directly above the first limit block 243 on the outer wall of the top of each limit motion rod 242. The outer walls on both sides of the test board 22 are limited between the first limit block 243 and the second limit block 244. The telescopic rod 241 is connected to the control device through a wire; the connecting parts are distributed on both sides of the test board 22 in a supporting structure, and each connecting part includes a connecting Block 25, a first shaft rod 251, a spring 252, a second shaft rod 253 and a fixed seat 254, the outer wall of one side of the connecting block 25 is connected to the outer wall of the test plate 22 away from the shaking component, the first shaft rod 251 is arranged in a T-shaped structure, one end of the first shaft rod 251 is rotatably connected to the connecting block 25, the spring 252 is located between the first shaft rod 251 and the second shaft rod 253, one end of the spring 252 is connected to the circumferential wall of the outer wall of the first shaft rod 251, the other end of the spring 252 is connected to the circumferential wall of the outer wall of the second shaft rod 253, the end of the second shaft rod 253 away from the spring 252 is connected to the fixed seat 254, and the fixed seat 254 is connected to the inner wall of the high temperature test box 21.

[0029] It should be noted that, in this embodiment, the shaking component is used to simulate the environment where the vehicle is driving under shaking and harsh road conditions to prove that the headlight can withstand continuous vibration and impact, whether the headlight will be damaged or have functional failures, and to ensure as much as possible that the headlight can effectively resist vibration and impact and maintain its performance and brightness in complex and changeable mountain roads, rugged off-road roads or any other harsh driving environment;

[0030] Furthermore, to simulate the environment of the headlight driving under the shaking and harsh road conditions, the telescopic rod 241 on one side drives the limit motion rod 242 to move upward, and the telescopic rod 241 on the other side drives the limit motion rod 242 to move downward. At this time, the top of the first limit block 243 on the limit motion rod 242 moving upward abuts against the bottom of the test board 22, driving the test board 22 to move upward. At this time, the bottom of the second limit block 244 on the limit motion rod 242 moving downward abuts against the top of the test board 22, driving the test board 22 to simulate the environment of the vehicle driving under the shaking and harsh road conditions, so that the headlight on the test board 22 can truly feel the various vibrations and impacts of the vehicle during driving;

[0031] Furthermore, the test board 22 is connected to the inner wall of the high-temperature test box 21 by setting connecting parts, and the connecting parts include a connecting block 25, a first shaft rod 251, a spring 252, a second shaft rod 253 and a fixing seat 254. The outer wall on one side of the connecting block 25 is connected to the outer wall of the test board 22 away from the shaking component. One end of the first shaft rod 251 is rotatably connected to the connecting block 25 to ensure that the test board 22 can be shaken. The first shaft rod 251 is connected to the second shaft rod 253 through the spring 252, and the second shaft rod 253 is connected to the inner wall of the high-temperature test box 21 through the fixing seat 254 to simulate the real vibration environment of the car light driving under harsh road conditions to prove that it can withstand continuous vibration and impact, and to ensure as much as possible that the car light can effectively resist vibration and impact and maintain its performance and brightness test whether it is in complex and changeable mountain roads, rugged off-road roads or any other harsh driving environment.

[0032] The utility model workflow:

[0033] When in use, the headlight is installed on the test board 22 through the fixed cover 11, the door of the high-temperature test box 21 is closed, the heating plate is opened, and a high-temperature resistance test is performed at the rated test temperature and the rated test time. The high-frequency linear vibrator 23 is turned on, and the vibration of the vehicle in a high-temperature use environment is simulated by the high-frequency linear vibrator 23 in cooperation with the high-temperature test box 21. The telescopic rod 241 is started, and the limiting motion rod 242 is driven to move upward by the telescopic rod 241 on one side, and the limiting motion rod 242 is driven to move downward by the telescopic rod 241 on the other side. At this time, the top of the first limiting block 243 on the limiting motion rod 242 moving upward abuts against the bottom of the test board 22, driving the test board 22 to move upward. At this time, the bottom of the second limiting block 244 on the limiting motion rod 242 moving downward abuts against the top of the test board 22, driving the test board 22 to simulate the vehicle in shaking and harsh road conditions. Driving environment; the high-temperature vibration detection equipment 2 of the present application performs high-temperature detection on the headlights on the fixing device 1 on the test plate 22 through a high-temperature test box 21 in combination with vibration and shaking. The vibration simulates the environment in which the headlights are driving under harsh road conditions to prove whether they can withstand continuous vibration and impact, and whether the headlights will be damaged or have functional failures. It ensures as much as possible that the headlights can effectively resist vibration and impact and maintain their performance and brightness tests, whether on complex and changeable mountain roads, rugged off-road roads or any other harsh driving environment. It can help automobile manufacturers consider potential high-temperature vibration problems in the production stage, thereby avoiding product quality problems caused by these problems. By simulating vibration and shaking, researchers can evaluate and improve the stability and durability of headlights in extreme environments, which helps to improve the safety of automobiles and user satisfaction, while also reducing maintenance costs.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high temperature resistant testing device for automobile driving lamp production, comprising a fixing device (1) for fixing the lamp and a high temperature vibration testing device (2) for performing high temperature vibration testing on the lamp, characterized in that: The high temperature vibration detection device (2) comprises a high temperature test box (21), a test plate (22), a high frequency linear vibrator (23) and a shaking assembly for simulating vehicle shaking, wherein both sides of the test plate (22) are connected to the inner wall of the high temperature test box (21) via connecting pieces; The shaking assembly comprises telescopic rods (241) arranged in a symmetrical structure, the telescopic rods (241) being located inside the high temperature test box (21), the top of each telescopic rod (241) being connected to an upper and lower limit motion rod (242), a first limit block (243) being connected to an outer wall on one side of the middle of each limit motion rod (242), a second limit block (244) being arranged on the outer wall of the top of each limit motion rod (242) just above the first limit block (243), the outer walls on both sides of the test plate (22) being limited between the first limit block (243) and the second limit block (244), and the telescopic rod (241) being connected to a control device via a wire.

2. The high temperature resistance detection device for automobile driving lamp production according to claim 1 is characterized in that: The high-frequency linear vibrator (23) is located below the test plate (22) inside the high-temperature test box (21), and the high-frequency linear vibrator (23) is connected to a control device via a wire.

3. The high temperature resistance detection device for automobile driving lamp production according to claim 1, characterized in that: The connecting members are distributed on both sides of the test plate (22) in a supporting structure, and each of the connecting members comprises a connecting block (25), a first shaft (251), a spring (252), a second shaft (253) and a fixing seat (254); an outer wall of one side of the connecting block (25) is connected to an outer wall of the test plate (22) away from the shaking component; the first shaft (251) is arranged in a T-shaped structure, and one end of the first shaft (251) is rotatably connected to the connecting block (25). The spring (252) is located between the first shaft (251) and the second shaft (253), one end of the spring (252) is connected to the circumferential wall of the outer wall of the first shaft (251), and the other end of the spring (252) is connected to the circumferential wall of the outer wall of the second shaft (253). The end of the second shaft (253) away from the spring (252) is connected to the fixing seat (254), and the fixing seat (254) is connected to the inner wall of the high temperature test box (21).

4. The high temperature resistance detection device for automobile driving lamp production according to claim 1, characterized in that: The fixing device (1) comprises a fixing cover (11), the fixing cover (11) is provided with a fixing through hole (12) for fixing the vehicle lamp, the vehicle lamp is fixed in the fixing through hole (12), and the outer wall of the fixing cover (11) is provided with a connecting ear (13), and the connecting ear (13) is connected to the top of the test plate (22) by means of bolts.

5. The high temperature resistance detection device for automobile driving lamp production according to claim 1, characterized in that: A heating plate is arranged inside the high-temperature test box (21), and the heating plate is connected to a temperature controller via a wire, and the temperature controller is connected to an external general control device.

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