Device for testing antifogging property of automobile lamp
By designing an automobile headlight anti-fog test device with a water tank, electric heating rod and air jet tube structure, the problem of residual moisture in the gaps of the headlights affecting the test accuracy is solved, and the effect of rapid drying and efficient moisture removal is achieved.
Patent Information
- Application Number
- CN202423078780.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-12-13
AI Technical Summary
In existing anti-fog detection devices for automobile headlights, it is difficult to efficiently remove moisture remaining in the gaps of the headlights using a blower, which affects the accuracy of subsequent tests.
A device for testing the anti-fog performance of automobile lamps was designed. It consists of a water tank, an electric heating rod, a blower, and an air jet tube structure. By controlling the coordination between the cylinder and the sealing plug, the heated airflow is used to heat and dry the lamps to remove residual moisture.
It effectively removes residual moisture in the gaps of headlights, improving the accuracy and drying speed of headlight testing.
Smart Images

Figure CN223412933U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of anti-fog testing of vehicle lamps, in particular to an anti-fog property testing device for vehicle lamps. Background Art
[0002] Anti-fog testing of automotive lights is an important step to ensure that they can function properly in foggy or humid environments. Its main purpose is to evaluate the performance of headlights in foggy or humid environments, ensuring that the headlights can penetrate the fog and maintain clear lighting and signal functions, thereby improving driving safety.
[0003] During operation, the existing anti-fog detection device for automobile lamps first places the lamp into the detection device, and then continuously injects hot steam into the detection device to simulate a humid and warm environment. After the lamp is tested, the lamp is dried by a blower. However, the residual moisture in the gaps of the lamp is difficult to be efficiently removed by blowing with the blower alone, and the residual moisture is likely to affect the accuracy of subsequent tests of the lamp. Utility Model Content
[0004] The technical problems solved by this solution are:
[0005] (1) How to solve the problem that the residual moisture in the gap of the headlight is difficult to be efficiently removed by blowing air with a blower, and the residual moisture is likely to affect the accuracy of subsequent tests of the headlight.
[0006] The purpose of the utility model can be achieved by the following technical solution: a device for testing the anti-fog performance of automobile lamps, comprising a workbench and a shell fixedly mounted on the top of the workbench, a lifting opening being formed at the bottom of the shell, a support plate for placing the lamp being provided in the lifting opening, an opening being formed at a position corresponding to the shell on the workbench, and a mist blowing mechanism for quickly humidifying the lamp being provided on the workbench on one side of the shell;
[0007] The mist blowing mechanism includes a water tank fixedly connected to the workbench, the water tank is filled with sufficient clean water, and a partition is fixedly installed in the middle of the inner wall of the water tank, an air vent is opened in the middle of the partition, and a mist blowing pipe is fixedly connected to the outer wall of the water tank below the partition, the output end of the mist blowing pipe is connected to the outer shell, and a hot air unit for accelerating the drying speed of the car lights is provided on the side of the water tank facing the outer shell.
[0008] A further technical improvement of the present utility model is that a first cylinder is fixedly inserted into the top of the water tank, the protruding end of the first cylinder is fixedly connected to an electric heating rod, the bottom end of the electric heating rod movably passes through the air hole and is fixedly connected to a blocking plate, and a sealing ring is sleeved on the outer wall of the blocking plate, and the size of the sealing ring corresponds to the size of the air hole.
[0009] A further technical improvement of the present invention is that: a blower is fixedly installed on the side wall of the water tank away from the outer shell, and the output end of the blower is connected to the top of the outer shell; by controlling the protruding end of the second cylinder to shrink to the shortest, the headlight is reset to the bottom of the opening, and then the protruding end of the first cylinder is controlled to shrink to the shortest. At this time, the blocking plate cooperates with the sealing ring to block the air vent, and the sealing plug is staggered with the input end of the air outlet pipe, so that the air flow blown out from the blower is heated by the electric heating rod and then blown out from the output ends of the first and second air jet pipes along the air outlet pipe to heat and dry the headlight, which not only speeds up the drying speed of the headlight, but also effectively removes the moisture remaining in the gaps of the headlight.
[0010] A further technical improvement of the present invention is that the hot air unit includes an air outlet pipe fixedly inserted on the top of the water tank, and a sealing plug is fixedly installed on the protruding end of the first cylinder, and the position of the sealing plug corresponds to the input end position of the air outlet pipe.
[0011] A further technical improvement of the present invention is that the output end and the middle of the air outlet pipe are fixedly connected with a first air jet pipe and a second air jet pipe respectively, and the output ends of the first air jet pipe and the second air jet pipe are both directed directly below the opening.
[0012] A further technical improvement of the present invention is that: a mounting frame is fixedly connected to the bottom of the workbench, a longitudinally arranged second cylinder is fixedly mounted on the mounting frame, and an extended end of the second cylinder is fixedly connected to the bottom of the support plate.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] When the utility model is in use, the extended end of the second cylinder is controlled to be contracted to the shortest, so that the headlight is reset to the bottom of the opening, and then the extended end of the first cylinder is controlled to be contracted to the shortest. At this time, the blocking plate cooperates with the sealing ring to block the air vent, and the sealing plug is staggered with the input end of the air outlet pipe, so that the air flow blown out from the blower is heated by the electric heating rod and then blown out from the output ends of the first and second air jet pipes along the air outlet pipe to heat and dry the headlight, which not only accelerates the drying speed of the headlight, but also effectively removes the moisture remaining in the gaps of the headlight. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.
[0016] Figure 1 This is a schematic cross-sectional view of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the mist blowing mechanism of the utility model;
[0018] Figure 3 This is a schematic structural diagram of the electric heating rod of the utility model;
[0019] Figure 4 It is a structural stereoscopic diagram of the air outlet pipe of the utility model.
[0020] In the figure: 1. electric heating wire; 2. outer shell; 3. support plate; 4. exhaust hole; 5. opening; 6. mounting frame; 7. second cylinder; 8. workbench; 9. mist blowing mechanism; 901. air vent; 902. mist blowing pipe; 903. air outlet pipe; 904. partition; 905. blower; 906. water tank; 907. first cylinder; 908. sealing plug; 909. electric heating rod; 910. blocking plate; 911. sealing ring; 912. first jet pipe; 913. second jet pipe. DETAILED DESCRIPTION
[0021] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.
[0022] See also Figures 1-4 As shown, a device for testing the anti-fog performance of automobile lamps includes a workbench 8 and a shell 2 fixedly mounted on the top thereof. A lifting port is provided at the bottom of the shell 2, and a support plate 3 for placing the lamp is provided in the lifting port. An opening 5 is provided on the workbench 8 at a position corresponding to the shell 2. A mist blowing mechanism 9 for quickly humidifying the lamp is provided on the workbench 8 on one side of the shell 2.
[0023] See also Figures 1-4 As shown, the above-mentioned mist blowing mechanism 9 includes a water tank 906 fixedly connected to the workbench 8, the water tank 906 is filled with sufficient clean water, and a partition 904 is fixedly installed in the middle of the inner wall of the water tank 906, an air vent 901 is opened in the middle of the partition 904, and a mist blowing pipe 902 is fixedly connected to the outer wall of the water tank 906 below the partition 904, the output end of the mist blowing pipe 902 is connected to the outer shell 2, and a hot air unit for accelerating the drying speed of the car lights is provided on the side of the water tank 906 facing the outer shell 2.
[0024] See also Figures 1-4 As shown, a first cylinder 907 is fixedly inserted into the top of the water tank 906, and an electric heating rod 909 is fixedly connected to the protruding end of the first cylinder 907. The bottom end of the electric heating rod 909 movably passes through the air vent 901 and is fixedly connected to a blocking plate 910. A sealing ring 911 is sleeved on the outer wall of the blocking plate 910, and the size of the sealing ring 911 corresponds to the size of the air vent 901.
[0025] See also Figure 1 and Figure 2 As shown, a blower 905 is fixedly installed on the side wall of the water tank 906 away from the outer shell 2, and the output end of the blower 905 is connected to the top of the outer shell 2; by controlling the protruding end of the second cylinder 7 to shrink to the shortest, the headlight is reset to the bottom of the opening 5, and then the protruding end of the first cylinder 907 is controlled to shrink to the shortest. At this time, the blocking plate 910 cooperates with the sealing ring 911 to block the air vent 901, and the sealing plug 908 is staggered with the input end of the air outlet pipe 903, so that the air flow blown out from the blower 905 is heated by the electric heating rod 909 and then blown out from the output ends of the first jet pipe 912 and the second jet pipe 913 along the air outlet pipe 903 to heat and dry the headlight, which not only speeds up the drying speed of the headlight, but also effectively removes the moisture remaining in the gaps of the headlight.
[0026] See also Figures 1-4 As shown, the above-mentioned hot air unit includes an air outlet pipe 903 fixedly inserted on the top of the water tank 906, and a sealing plug 908 is also fixedly installed on the protruding end of the first cylinder 907. The position of the sealing plug 908 corresponds to the input end position of the air outlet pipe 903.
[0027] See also Figures 1-4 As shown, the output end and the middle of the air outlet pipe 903 are fixedly connected to the first air injection pipe 912 and the second air injection pipe 913 respectively, and the output ends of the first air injection pipe 912 and the second air injection pipe 913 are both directed directly below the opening 5.
[0028] See also Figure 1 As shown, the bottom of the workbench 8 is fixedly connected to a mounting frame 6 , and a longitudinally arranged second cylinder 7 is fixedly mounted on the mounting frame 6 , and the protruding end of the second cylinder 7 is fixedly connected to the bottom of the support plate 3 .
[0029] See also Figure 1 As shown, two electric heating wires 1 are fixedly mounted on the top of the inner wall of the shell 2 , and an exhaust hole 4 is provided on the bottom of the side of the shell 2 away from the mist blowing pipe 902 .
[0030] Working principle: When the present invention is in use, first, the protruding end of the second cylinder 7 is controlled to retract to the shortest, the support plate 3 is located below the opening 5, and the protruding end of the first cylinder 907 is controlled to extend to the longest, so that the bottom of the electric heating rod 909 is submerged below the liquid level of the clean water in the water tank 906. At this time, the sealing plug 908 blocks the input end of the air outlet pipe 903; the car light is placed on the support plate 3 through an external placement device. During this process, the electric heating rod 909 is turned on to preheat the clean water in the water tank 906, and then the protruding end of the second cylinder 7 is controlled to extend to the longest, driving the car light on the support plate 3 to enter the shell 2, and the two electric heating wires 1 are turned on to increase the temperature inside the shell 2, and then the blower 905 is turned on to allow the air flow to pass through the gap between the air vent 901 and the electric heating rod 909. , carrying the water vapor generated by heating the clean water in the water tank 906, enters the shell 2 along the mist blowing pipe 902, simulating the car light working in a humid and warm environment; after testing the car light, control the extended end of the second cylinder 7 to shrink to the shortest, so that the car light is reset to the bottom of the opening 5, and then control the extended end of the first cylinder 907 to shrink to the shortest. At this time, the blocking plate 910 cooperates with the sealing ring 911 to block the air vent 901, and the sealing plug 908 is staggered with the input end of the air outlet pipe 903, so that the air flow blown out from the blower 905 is heated by the electric heating rod 909 and then blown out from the output ends of the first jet pipe 912 and the second jet pipe 913 along the air outlet pipe 903 to heat and dry the car light, which not only speeds up the drying speed of the car light, but also effectively removes the moisture remaining in the gaps of the car light.
[0031] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.
Claims
1. A device for testing the anti-fog performance of automobile lamps, comprising a workbench (8) and a housing (2) fixedly mounted on the top of the workbench, wherein a lifting opening is provided at the bottom of the housing (2), and a support plate (3) for placing the lamp is provided in the lifting opening, characterized in that: An opening (5) is provided on the workbench (8) at a position corresponding to the housing (2), and a mist blowing mechanism (9) for quickly humidifying the vehicle lamp is provided on the workbench (8) on one side of the housing (2); The mist blowing mechanism (9) comprises a water tank (906) fixedly connected to the workbench (8); a partition (904) is fixedly installed in the middle of the inner wall of the water tank (906); an air vent (901) is provided in the middle of the partition (904); and a mist blowing pipe (902) is fixedly connected to the outer wall of the water tank (906) below the partition (904); the output end of the mist blowing pipe (902) is connected to the outer shell (2); and a hot air unit for accelerating the drying speed of the headlight is provided on the side of the water tank (906) facing the outer shell (2).
2. The anti-fog performance testing device for automobile lamps according to claim 1, characterized in that: A first cylinder (907) is fixedly inserted into the top of the water tank (906), and an electric heating rod (909) is fixedly connected to the protruding end of the first cylinder (907). The bottom end of the electric heating rod (909) is movable through the air vent (901) and is fixedly connected to a blocking plate (910). A sealing ring (911) is sleeved on the outer wall of the blocking plate (910), and the size of the sealing ring (911) corresponds to the size of the air vent (901).
3. The anti-fog performance testing device for automobile lamps according to claim 1, characterized in that: A blower (905) is fixedly mounted on the side wall of the water storage tank (906) away from the outer shell (2), and the output end of the blower (905) is communicated with the top of the outer shell (2).
4. The anti-fog performance testing device for automobile lamps according to claim 2, characterized in that: The hot air unit comprises an air outlet pipe (903) fixedly inserted on the top of the water storage tank (906); a sealing plug (908) is also fixedly installed on the protruding end of the first cylinder (907); the position of the sealing plug (908) corresponds to the position of the input end of the air outlet pipe (903).
5. The anti-fog performance testing device for automobile lamps according to claim 4, characterized in that: The output end and the middle of the air outlet pipe (903) are respectively fixedly connected to a first air jet pipe (912) and a second air jet pipe (913), and the output ends of the first air jet pipe (912) and the second air jet pipe (913) are both directed directly below the opening (5).
6. The anti-fog performance testing device for automobile lamps according to claim 1, characterized in that: The bottom of the workbench (8) is fixedly connected to a mounting frame (6), a second cylinder (7) is fixedly mounted on the mounting frame (6), and the protruding end of the second cylinder (7) is fixedly connected to the bottom of the support plate (3).