Automobile protective film light transmission detection device

By designing a light transmittance testing device for automotive protective films that includes a testing mechanism and a driving component, the problem of dust affecting the testing results was solved, and higher accuracy in light transmittance testing was achieved.

CN223711430UActive Publication Date: 2025-12-23SHANGHAI HUAIRUN NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202423242716.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-23
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

When using existing automotive protective film light transmittance testing devices, dust and other particles attached to the protective film can obstruct light, affecting the accuracy of the test results.

Method used

A light transmittance testing device for automotive protective films, comprising a testing mechanism and a drive assembly, was designed. The device works by stretching the protective film and removing dust using electrostatic adsorption, and then measuring the light transmittance using LED lights and a lux meter.

Benefits of technology

It effectively removes dust from the protective film, improves the accuracy of test results, and ensures the accuracy of the test results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an automobile protective film light transmission detection device, which belongs to the field of automobile protective film light transmission detection and comprises a working table, a detection mechanism is arranged at the top of the working table, and a driving assembly is arranged at the top of the working table. According to the utility model, through the arrangement of the detection mechanism, two ends of a protective film to be detected are respectively arranged in the two frame bodies during use, then the four screw rods are rotated to enable the four pressing plates to respectively press four corners of the protective film, then the two-way screw rod is rotated to enable the two frame bodies to be far away from each other, then the protective film is straightened, then the hollow [-shaped part is taken up, and finally the protective film is detected. The opening of the hollow [-shaped part is wrapped outside the protective film, the exhaust fan is started, dust and solid particles on the surface of the protective film are adsorbed, the cleanliness of the protective film is improved, the accuracy of a detection result is further improved, then the LED lamp generates light rays, the light rays penetrate through the protective film, and then the light transmittance of the automobile protective film is detected through the illuminometer.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile protection film light transmission detection, specifically, an automobile protection film light transmission detection device. BACKGROUND

[0002] The automobile protection film is a kind of film for protecting the surface of automobile, these films can prevent dust, dirt and corrosive substances from adhering to the automobile paint surface, thereby prolonging the service life of automobile paint surface, the light transmittance of automobile protection film directly influences the driver's visual acuity, if the light transmittance of the film is too low, it will cause the driver's vision blurred, easy to cause traffic accidents, therefore, by light transmission detection can ensure that the light transmission performance of automobile protection film is good, to improve driving safety, but the existing automobile protection film light transmission detection device still has the following defects when using:

[0003] The existing light transmission detection device is generally directly straightened protection film when using, then it is detected, but the dust and other particulate matters attached on the protection film will hinder light, and further affect the detection result.

[0004] Therefore, an automobile protection film light transmission detection device is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at: the existing automobile protection film light transmission detection device is generally directly straightened protection film when using, then it is detected, but the dust and other particulate matters attached on the protection film will hinder light, and further affect the detection result.

[0006] In order to realize the above-mentioned utility model purpose, the utility model provides the following technical scheme:

[0007] The automobile protection film light transmission detection device is to improve the above-mentioned problem.

[0008] The utility model specifically as follows: including workbench, the top of workbench is provided with detection mechanism, the top of workbench is provided with drive assembly;

[0009] The detection mechanism comprises a sliding groove, a bidirectional screw rod, a supporting rod, a frame body, a screw rod, a pressing plate, a first motor, a sliding rod, a luxmeter, a supporting plate, an LED lamp, a hollow L-shaped part, an air inlet hole and an air extractor, the sliding groove is arranged on the top of the workbench, the two ends of the bidirectional screw rod are rotationally connected to the inner two side walls of the sliding groove respectively, the supporting rod is threadedly connected to the end of the bidirectional screw rod, the frame body is fixedly connected to the top of the supporting rod, the screw rod is threadedly connected to the top of the frame body, the pressing plate is rotationally connected to the bottom of the screw rod, the first motor is fixedly connected to the side wall of the workbench, the sliding rod is slidingly connected to the top of the workbench, the luxmeter is arranged on the top of the sliding rod, the supporting plate is fixedly connected to the side wall of the workbench, the LED lamp is arranged on the wall of the supporting plate close to the top of the workbench, the hollow L-shaped part is arranged on one side of the workbench, the air inlet hole is arranged on the side wall of the hollow L-shaped part, and the air extractor is fixedly connected to the side wall of the hollow L-shaped part.

[0010] As a preferred technical scheme of the present application, the driving assembly comprises a first supporting column, a second supporting column, a screw rod and a second motor, the first supporting column and the second supporting column are fixedly connected to the opposite two ends of the top of the workbench respectively, the two ends of the screw rod are rotationally connected to the interiors of the first supporting column and the second supporting column respectively, and the second motor is fixedly connected to the side wall of the first supporting column.

[0011] As a preferred technical scheme of the present application, the opposite side of the second motor is provided with a third supporting column and a fourth supporting column, and the side walls of the third supporting column and the fourth supporting column are fixedly connected with guide rods.

[0012] As a preferred technical scheme of the present application, the bottom of the workbench is fixedly connected with a placing frame, and the hollow L-shaped part is located in the interior of the placing frame and is slidingly connected with the placing frame.

[0013] As a preferred technical scheme of the present application, the bottom of the workbench is fixedly connected with a supporting leg, the bottom of the supporting leg is fixedly connected with a mounting plate, and the top of the mounting plate is provided with a threaded hole.

[0014] As a preferred technical scheme of the present application, the side wall of the hollow L-shaped part is fixedly connected with a handle, and the interior of the air inlet hole is provided with a filter screen.

[0015] As a preferred technical scheme of the present application, the material of the pressing plate is rubber, and the pressing plate is detachably connected with the bottom of the screw rod.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] 1. Through the detection mechanism arranged, when in use, the two ends of the protective film to be detected are respectively placed in the two frame bodies, then the four screw rods are rotated to make the four pressing plates press the four corners of the protective film respectively, then the bidirectional screw rod is rotated to make the two frame bodies move away from each other, then the protective film is stretched, then the hollow U-shaped part is picked up, the opening of the hollow U-shaped part is wrapped outside the protective film, and the dust and solid particles on the surface of the protective film are adsorbed by starting the air extractor, the cleanliness of the protective film is improved, and the accuracy of the detection result is improved, then the LED lamp generates light, the light passes through the protective film, and then the light transmittance of the automobile protective film is detected by the luxmeter.

[0018] 2. Through the driving assembly arranged, when in use, the second motor drives the screw rod to rotate, so that the slide rod and the luxmeter slide on the top of the workbench, so that the light transmittance of the protective film at different positions is detected. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure diagram of the automobile protective film light transmittance detection device is provided.

[0020] Figure 2 The left view of the automobile protective film light transmittance detection device is provided.

[0021] Figure 3 The automobile protective film light transmittance detection device is provided. Figure 2 The sectional view of the automobile protective film light transmittance detection device is provided.

[0022] Figure 4 The structure diagram of the automobile protective film light transmittance detection device detection mechanism and driving assembly is provided.

[0023] Figure 5 The automobile protective film light transmittance detection device is provided. Figure 4 The enlarged view of the automobile protective film light transmittance detection device is provided.

[0024] Figure 6 The specific structure diagram of the automobile protective film light transmittance detection device hollow U-shaped part is provided.

[0025] As shown in the figure: 1, workbench; 2, detection mechanism; 3, drive assembly; 4, third support column; 5, fourth support column; 6, guide rod; 7, placing frame; 8, support leg; 9, mounting plate; 10, threaded hole; 11, handle; 12, filter screen; 201, sliding groove; 202, bidirectional screw; 203, support rod; 204, frame body; 205, screw; 206, pressing plate; 207, first motor; 208, sliding rod; 209, illuminometer; 210, support plate; 211, LED lamp; 212, hollow T-shaped part; 213, air inlet hole; 214, air extractor; 301, first support column; 302, second support column; 303, screw rod; 304, second motor. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments.

[0027] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but only represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0028] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0029] It should be noted that: similar labels and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0030] As shown in the figure: 1, workbench; 2, detection mechanism; 3, drive assembly; 4, third support column; 5, fourth support column; 6, guide rod; 7, placing frame; 8, support leg; 9, mounting plate; 10, threaded hole; 11, handle; 12, filter screen; 201, sliding groove; 202, bidirectional screw; 203, support rod; 204, frame body; 205, screw; 206, pressing plate; 207, first motor; 208, sliding rod; 209, illuminometer; 210, support plate; 211, LED lamp; 212, hollow T-shaped part; 213, air inlet hole; 214, air extractor; 301, first support column; 302, second support column; 303, screw rod; 304, second motor. Figures 1-6

[0031] As shown in the figure: 1, workbench; 2, detection mechanism; 3, drive assembly; 4, third support column; 5, fourth support column; 6, guide rod; 7, placing frame; 8, support leg; 9, mounting plate; 10, threaded hole; 11, handle; 12, filter screen; 201, sliding groove; 202, bidirectional screw; 203, support rod; 204, frame body; 205, screw; 206, pressing plate; 207, first motor; 208, sliding rod; 209, illuminometer; 210, support plate; 211, LED lamp; 212, hollow T-shaped part; 213, air inlet hole; 214, air extractor; 301, first support column; 302, second support column; 303, screw rod; 304, second motor. Figure 3 , Figure 4 and Figure 5 ​As shown, the detection mechanism 2 comprises a chute 201, a bidirectional screw rod 202, a support rod 203, a frame 204, a screw rod 205, a pressing plate 206, a first motor 207, a sliding rod 208, a lux meter 209, a support plate 210, an LED lamp 211, a hollow L-shaped part 212, an air inlet hole 213 and an air extractor 214. The chute 201 is arranged on the top of the workbench 1 along the length direction of the workbench 1. Both ends of the bidirectional screw rod 202 are rotatably connected to the inner side walls of the chute 201. The support rod 203 is threadedly connected to the ends of the bidirectional screw rod 202. The frame 204 is fixedly connected to the top of the support rod 203. The screw rod 205 is threadedly connected to the top of the frame 204. The pressing plate 206 is rotatably connected to the bottom of the screw rod 205. The pressing plate 206 is located inside the frame 204. The first motor 207 is fixedly connected to the side wall of the workbench 1. The sliding rod 208 is slidably connected to the top of the workbench 1. The lux meter 209 is arranged on the top of the sliding rod 208. The support plate 210 is fixedly connected to the side wall of the workbench 1. The frame 204 is used for tensioning the protective film. The lux meter 209 and the LED lamp 211 are located on the two sides of the tensioned protective film, respectively. The LED lamp 211 is arranged on the support plate 210 and is used for irradiating the tensioned protective film. The lux meter 209 is used for measuring the light transmission of the film. The hollow L-shaped part 212 is arranged on one side of the workbench 1. The air inlet hole 213 is arranged on the side wall of the hollow L-shaped part 212. The air extractor 214 is fixedly connected to the side wall of the hollow L-shaped part 212. The number of the lux meters 209 is several, and the lux meters 209 are uniformly distributed along the length direction of the sliding rod 208. The number of the support rods 203 and the frames 204 is two, and they are located at the two ends of the bidirectional screw rod 202, respectively. The number of the screw rods 205 and the pressing plates 206 is four, and they are located at the two ends of the two frames 204, respectively. The output end of the first motor 207 can be forward and reverse rotated. The output end of the first motor 207 is coaxial with the bidirectional screw rod 202 and can drive the bidirectional screw rod 202 to rotate. Under normal circumstances, the two frames 204 are close to the middle part of the bidirectional screw rod 202. The input end of the air extractor 214 is in communication with the inside of the hollow L-shaped part 212. The outer wall of the hollow L-shaped part 212 is provided with polyvinyl chloride fibers with positive and negative charges after electrostatic treatment. In use, the two ends of the protective film to be tested are arranged in the two frames 204, respectively. Then four screw rods 205 are twisted to press the protective film against the inner wall of the frame 204, so as to fix the four corners of the protective film. Then the first motor 207 is started to drive the bidirectional screw rod 202 to rotate, so as to move the two frames 204 away from each other until the protective film is straightened. Then the first motor 207 is turned off. Then the hollow L-shaped part 212 is picked up. The polyvinyl chloride fibers on the surface of the hollow L-shaped part 212 have strong electrostatic adsorption function and can effectively attract dust. Then the protective film enters the opening of the hollow L-shaped part 212. Then the air extractor 214 is started to attract the dust on the protective film. After the dust is attracted, the hollow L-shaped part 212 is removed.Then the LED lamp 211 is turned on, and the light of the LED lamp 211 can be effectively measured by the lux meter 209 when passing through the protective film. Then the slide rod 208 is manually slid to measure different positions of the protective film.

[0032] As shown in Figure 4 , the driving assembly 3 comprises a first support column 301, a second support column 302, a lead screw 303 and a second motor 304. The first support column 301 and the second support column 302 are fixedly connected to the opposite ends of the top of the workbench 1. The lead screw 303 is rotatably connected to the inside of the first support column 301 and the second support column 302. The second motor 304 is fixedly connected to the side wall of the first support column 301. One end of the lead screw 303 penetrates through the slide rod 208 and is threadedly connected with the slide rod 208. The output end of the second motor 304 can be forward and reverse rotated. The output end of the second motor 304 is coaxial with the lead screw 303 and can drive the lead screw 303 to rotate. When it is needed to move the slide rod 208, the second motor 304 is started, and then the lead screw 303 rotates, so that the slide rod 208 moves on the lead screw 303, thereby adjusting the position of the lux meter 209.

[0033] As shown in Figure 4 , along the width direction of the workbench 1, the side of the workbench 1 opposite to the second motor 304 is provided with a third support column 4 and a fourth support column 5. The side walls of the third support column 4 and the fourth support column 5 are fixedly connected with guide rods 6. One end of the guide rod 6 penetrates through the slide rod 208 and is slidably connected with the slide rod 208. When the slide rod 208 slides along the lead screw 303, the guide rod 6 can limit the other end thereof and also can improve the stability when the slide rod 208 moves.

[0034] As shown in Figure 1 , the bottom of the workbench 1 is fixedly connected with a placing frame 7. The hollow L-shaped part 212 is located inside the placing frame 7 and is slidably connected with the placing frame 7. The placing frame 7 can accommodate the hollow L-shaped part 212 when in use.

[0035] As shown in Figure 1 , the bottom of the workbench 1 is fixedly connected with support legs 8. The bottom of the support leg 8 is fixedly connected with mounting plates 9. Threaded holes 10 are formed in the top of the mounting plate 9. The number of the support legs 8 and the mounting plates 9 is four, and they are respectively located at the four corners of the workbench 1. When in use, external bolts are screwed into the threaded holes 10 and the ground in sequence, thereby fixing the device.

[0036] As shown in Figure 1 and Figure 5As shown, the side wall of the hollow L-shaped part 212 is fixedly connected with a handle 11, and the inside of the air inlet hole 213 is provided with a filter screen 12, so that the hollow L-shaped part 212 can be conveniently moved through the handle 11 in use, and the filter screen 12 can prevent dust from entering the inside of the air extractor 214.

[0037] As shown, Figure 4 As shown, the pressing plate 206 is made of rubber, and the pressing plate 206 is detachably connected with the bottom of the screw rod 205, so that the rubber pressing plate 206 can prevent the pressing plate 206 from damaging the protective film.

[0038] Specifically, the automobile protective film light transmission detection device is used in the following manner: the first motor 207, the illuminometer 209, the LED lamp 211, the air extractor 214 and the second motor 304 are connected with an external power supply, two ends of a protective film to be tested are respectively placed in the two frame bodies 204, four screw rods 205 are respectively screwed, the pressing plate 206 is used for fixing the four corners of the protective film, the first motor 207 is started, the bidirectional screw rod 202 is driven to rotate by the first motor 207, so that the two frame bodies 204 are away from each other until the protective film is straightened, then the first motor 207 is turned off, the hollow L-shaped part 212 is picked up, the surface of the hollow L-shaped part 212 is provided with electrostatic treated polyvinyl chloride fibers having strong electrostatic adsorption function, which can effectively adsorb dust, then the protective film is placed in the opening of the hollow L-shaped part 212, the air extractor 214 is started, the air extractor 214 adsorbs the dust on the protective film, the hollow L-shaped part 212 is removed after adsorption is completed and is placed in the placing frame 7, the LED lamp 211 is turned on, the light of the LED lamp 211 passes through the protective film, and the light transmission of the film can be effectively measured by the illuminometer 209, then the second motor 304 is started, the screw rod 303 rotates, so that the sliding rod 208 moves on the screw rod 303, thereby adjusting the position of the illuminometer 209, and measuring different positions of the protective film.

[0039] All the technical features in the embodiment can be freely combined according to actual needs.

[0040] The above embodiment is a preferred implementation scheme of the present application, and the present application can also be implemented in other ways without departing from the technical concept of the present application, and any obvious replacement within the scope of the present application is within the protection scope of the present application.

Claims

1. A light transmittance testing device for automotive protective films, comprising a worktable (1), characterized in that, The top of the workbench (1) is provided with a detection mechanism (2), and the top of the workbench (1) is provided with a drive assembly (3); The detection mechanism (2) includes a slide (201), a bidirectional lead screw (202), a support rod (203), a frame (204), a screw (205), a pressure plate (206), a first motor (207), a slide rod (208), an illuminance meter (209), a support plate (210), an LED light (211), a hollow U-shaped part (212), an air inlet (213), and an exhaust fan (214). The slide (201) is located on the top of the workbench (1). The two ends of the bidirectional lead screw (202) are rotatably connected to the inner side walls of the slide (201). The support rod (203) is threaded to the end of the bidirectional lead screw (202). The frame (204) is fixedly connected to the top of the support rod (203). The screw (205) is threaded... The pressure plate (206) is rotatably connected to the bottom of the screw (205) and connected to the top of the frame (204). The first motor (207) is fixedly connected to the side wall of the workbench (1). The slide rod (208) is slidably connected to the top of the workbench (1). The illuminance meter (209) is set on the top of the slide rod (208). The support plate (210) is fixedly connected to the side wall of the workbench (1). The LED light (211) is set on the wall of the support plate (210) near the top of the workbench (1). The hollow convex part (212) is set on one side of the workbench (1). The air inlet (213) is opened on the side wall of the hollow convex part (212). The exhaust fan (214) is fixedly connected to the side wall of the hollow convex part (212).

2. The light transmittance detection device for automotive protective film according to claim 1, characterized in that, The drive assembly (3) includes a first support column (301), a second support column (302), a lead screw (303), and a second motor (304). The first support column (301) and the second support column (302) are respectively fixedly connected to opposite ends of the top of the workbench (1). The two ends of the lead screw (303) are respectively rotatably connected to the inside of the first support column (301) and the second support column (302). The second motor (304) is fixedly connected to the side wall of the first support column (301).

3. The light transmittance detection device for automotive protective film according to claim 2, characterized in that, A third support column (4) and a fourth support column (5) are provided on the opposite side of the second motor (304), and guide rods (6) are fixedly connected to the side walls of the third support column (4) and the fourth support column (5).

4. The light transmittance detection device for automotive protective film according to claim 1, characterized in that, The bottom of the workbench (1) is fixedly connected to a placement frame (7), and the hollow shaped part (212) is located inside the placement frame (7) and is slidably connected to the placement frame (7).

5. The light transmittance detection device for automotive protective film according to claim 1, characterized in that, The bottom of the workbench (1) is fixedly connected to a support leg (8), and the bottom of the support leg (8) is fixedly connected to a mounting plate (9). The top of the mounting plate (9) is provided with a threaded hole (10).

6. The light transmittance detection device for automotive protective film according to claim 1, characterized in that, A handle (11) is fixedly connected to the side wall of the hollow shaped part (212), and a filter screen (12) is provided inside the air inlet (213).

7. The light transmittance detection device for automotive protective film according to claim 1, characterized in that, The pressure plate (206) is made of rubber, and the pressure plate (206) is detachably connected to the bottom of the screw (205).