Power-on aging detection vehicle based on dimming film

Abstract

The invention belongs to the technical field of dimming film aging test, and particularly relates to a dimming film-based power-on aging detection vehicle, which comprises an aging vehicle body, a plurality of pairs of parallel sliding rails are arranged on the inner side wall of the aging vehicle body, two slidable sliding seats are symmetrically mounted on each pair of sliding rails, a bearing vehicle body is fixedly connected between the two sliding seats, and a plurality of test plates are detachably mounted on the inner side of the bearing vehicle body; a plurality of supporting columns are arranged on each testing plate, a plurality of fixing seats are arranged around the supporting columns, sliding grooves are formed in the tops of the fixing seats, sliding blocks capable of sliding are assembled in the sliding grooves, sliding frames are connected to the tops of the sliding blocks, and the sliding frames and the fixing seats are driven by first electric push rods to move relatively; according to the invention, accurate and automatic positioning and correction are realized, the clamping mechanism is driven by the step-by-step and direction-by-direction electric push rod, clamping and fixing of the dimming film can be automatically completed, and automatic correction and positioning of the dimming film on a test station are realized at the same time.

Description

Technical Field

[0001] This invention belongs to the field of dimming film aging test technology, specifically a power-on aging test vehicle based on dimming film. Background Technology

[0002] Aging testing of polymer privacy dimming films is a systematic project designed to evaluate their performance degradation and reliability under simulated long-term use conditions, which is crucial for their application in fields such as construction, automobiles, and home furnishings.

[0003] During the aging test of polymer privacy dimming film, a continuously powered aging test vehicle based on the dimming film is required for continuous aging evaluation. However, existing aging vehicles still have several limitations in the testing process. After the dimming film is placed and clamped, it is often difficult to maintain an ideal horizontal state, resulting in uneven heating of the film surface and local differences in temperature distribution. In addition, because the film material is not placed completely horizontally, it may experience uneven internal stress distribution due to its own gravity during long-term testing, affecting the structural consistency of the material in the aging state, thereby reducing the representativeness and reliability of the test results, and ultimately causing deviations in the accuracy of optical performance testing. Summary of the Invention

[0004] To overcome the shortcomings of existing technologies, this invention proposes an electrically powered aging test vehicle based on a dimming film. This invention primarily addresses several limitations of existing aging vehicles during testing. After placement and clamping, the dimming film often fails to maintain an ideal horizontal state, leading to uneven heating of the film surface and localized temperature differences. Furthermore, because the film material is not placed completely horizontally, its internal stress distribution may become uneven due to its own gravity during prolonged testing, affecting the structural consistency of the material under aging conditions. This reduces the representativeness and reliability of the test results, ultimately causing deviations in the accuracy of optical performance testing.

[0005] The technical solution adopted by the present invention to solve its technical problem is: an aging test vehicle based on a dimming film, including an aging vehicle body; the inner side wall of the aging vehicle body is provided with several pairs of parallel slide rails, two slidable slide seats are symmetrically installed on each pair of slide rails, and a carrier vehicle body is fixedly connected between the two slide seats; multiple test plates are detachably installed inside the carrier vehicle body. Each test plate is equipped with several support columns, and multiple fixed seats are arranged around the support columns. The top of each fixed seat is provided with a sliding groove, and a sliding slider is installed in the sliding groove. The top of the slider is connected to a sliding frame. The sliding frame and the fixed seat are driven to move relative to each other by a No. 1 electric push rod. The top of the sliding frame is provided with a clamping seat for clamping the workpiece.

[0006] Preferably, the top of the support column is connected to a support base, and the top of the support base is covered with a first-order anti-slip film to provide an anti-slip contact surface to the bottom of the workpiece.

[0007] Preferably, a clamping plate is slidably connected to the top of the sliding frame, and the side of the clamping plate facing the support column is covered with a second anti-slip film to provide an anti-slip contact surface for the side of the workpiece. A plurality of first springs are connected to the side of the clamping plate away from the support column, and the clamping plate is elastically connected to the clamping seat through the plurality of first springs. The clamping seat has a limiting groove at its end, and a first limiting shaft is fitted inside the limiting groove. The end of the first limiting shaft is fixedly connected to the clamping plate.

[0008] Preferably, a first sensor is provided between the support column and the test plate, and a second sensor is provided between the clamping plate and the first limiting shaft.

[0009] Preferably, the test board is connected to multiple second-generation electric push rods, and a vacuum suction cup is provided on the telescopic end of the second-generation electric push rod. From top to bottom, a fourth sensor and a third sensor are arranged between the vacuum suction cup and the telescopic end of the second-generation electric push rod.

[0010] Preferably, the telescopic end of the second electric push rod is provided with a buffer groove, a buffer shaft is sleeved in the buffer groove, the vacuum suction cup is set at the top of the buffer shaft, the other end of the buffer shaft is connected to a second spring, the buffer shaft is elastically supported and connected to the bottom of the inner sidewall of the buffer groove through the second spring, and a second limiting shaft is connected to the bottom of the inner sidewall of the buffer groove corresponding to the buffer shaft.

[0011] Preferably, a compensation seat is embedded in the inner side of the vacuum suction cup, the top of the compensation seat is covered with a No. 3 anti-slip film, the bottom of the compensation seat is connected to a No. 2 toothed plate, and the other end of the No. 2 toothed plate is fitted with an directional sleeve, the bottom end of which is fixed to the bottom of the inner wall of the vacuum suction cup. The bottom of the inner wall of the vacuum suction cup is also equipped with an adapter frame. A gear is rotatably connected to the top inner side of the adapter frame. The gear meshes with the second gear plate and simultaneously meshes with the first gear plate. The first and second gear plates are arranged symmetrically.

[0012] Preferably, the outer wall of the vacuum suction cup has a transmission port, the inner wall of the transmission port has a sealing groove, a sealing plate is slidably connected in the sealing groove, a No. 3 spring is connected to the bottom of the sealing plate, the sealing plate is elastically supported and connected to the bottom of the inner wall of the sealing groove through the No. 3 spring, the inner side of the sealing plate is connected to the No. 1 toothed plate, the outer side of the sealing plate is connected to a transmission frame, and the other end of the transmission frame is connected to the lower surface of the vacuum suction cup.

[0013] The beneficial effects of this invention are as follows: 1. In this invention, precise automatic positioning and correction are achieved by using a step-by-step, directional electric push rod to drive the clamping mechanism, which can automatically clamp and fix the dimming film. At the same time, it realizes automatic correction and positioning at the test station, ensuring that the light source and the dimming film are accurately aligned during subsequent optical testing.

[0014] 2. In this invention, a multi-level anti-slip and anti-lateral displacement design is used. A first anti-slip film is set between the support base and the dimming film, and a second anti-slip film is set between the clamping plate and the dimming film. The dual anti-slip measures significantly enhance the stability of the dimming film during the clamping process and effectively prevent it from lateral displacement under the action of clamping force.

[0015] 3. In this invention, the clamping force is buffered and the flexible-rigid conversion is achieved. The clamping plate provides elastic buffering during initial contact through the spring and limiting shaft structure to avoid damage to the dimming film due to excessive instantaneous clamping force. When the limiting shaft reaches the end of its stroke, it becomes a rigid support, which can provide stable clamping force and prevent the dimming film from deforming due to clamping force.

[0016] 4. In this invention, the clamping force and deformation are monitored in real time. The clamping force on the end face is monitored by the second sensor and the downward pressure of the dimming film on the support column is monitored by the first sensor. The clamping force is controlled in real time to ensure stable clamping while avoiding excessive clamping force that could cause deformation of the dimming film or affect its levelness.

[0017] 5. In this invention, the bottom adsorption force is controllable and deformation is prevented. A vacuum suction cup is used in conjunction with an electric push rod to adsorb the dimming film from the bottom. The magnitude of the upward and downward force is monitored by sensors No. 3 and No. 4 respectively, so as to achieve precise control of the bottom force and prevent the dimming film from deforming due to improper force.

[0018] 6. In this invention, the bottom adsorption buffer and compensation are stable. The vacuum suction cup achieves elastic buffering during contact through buffer springs and limiting structures, and turns into rigid support after it is in place. During adsorption, the transmission-rack-compensation seat linkage makes the compensation seat abut against the bottom of the dimming film, which enhances the support stability of the adsorption area and avoids local deformation.

[0019] 7. In this invention, the overall structure takes into account both stability and protection. From support and clamping to bottom adsorption, the system adopts multiple elastic buffers, anti-slip, limiting and sensor feedback designs. While achieving firm fixation and precise positioning of the dimming film, it comprehensively prevents displacement, deformation or surface damage, ensuring the integrity of the sample and the reliability of the test data during the test. Attached Figure Description

[0020] The invention will now be further described with reference to the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a cross-sectional structural diagram of the present invention; Figure 3 This is the present invention. Figure 2 Enlarged structural diagram at point A; Figure 4 This is a schematic diagram of the supporting column in this invention; Figure 5 This is a cross-sectional view of the clamping seat in this invention. Figure 6 This is a schematic diagram of the structure of the No. 2 electric push rod in this invention; Figure 7 This is the present invention. Figure 6 A cross-sectional structural diagram of the No. 2 electric actuator; Figure 8 This is the present invention. Figure 7 Enlarged structural diagram at point B; In the diagram: 1. Aging vehicle body; 2. Slide rail; 3. Slide seat; 4. Carrier vehicle body; 5. Test plate; 6. Sensor No. 1; 7. Support column; 8. Support base; 9. Anti-slip film No. 1; 10. Fixed base; 11. Sliding frame; 12. Electric push rod No. 1; 13. Slide groove; 14. Slider; 15. Clamping plate; 16. Spring No. 1; 17. Anti-slip film No. 2; 18. Sensor No. 2; 19. Limiting shaft No. 1; 20. Limiting groove; 21. Clamping seat; 2 2. Electric push rod No. 2; 23. Anti-slip film No. 3; 24. Buffer groove; 25. Buffer shaft; 26. Spring No. 2; 27. Limiting shaft No. 2; 28. Sensor No. 3; 29. ​​Sensor No. 4; 30. Vacuum suction cup; 31. Sealing groove; 32. Sealing plate; 33. Spring No. 3; 34. Transmission port; 35. Transmission frame; 36. Tooth plate No. 1; 37. Gear; 38. Adapter frame; 39. Tooth plate No. 2; 40. Orientation sleeve; 41. Compensation seat. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0023] like Figures 1 to 8 As shown, an aging test vehicle based on a dimming film includes an aging vehicle body 1; the inner side wall of the aging vehicle body 1 is provided with several pairs of parallel slide rails 2, and two slidable slide seats 3 are symmetrically installed on each pair of slide rails 2. A carrier vehicle body 4 is fixedly connected between the two slide seats 3, and multiple test plates 5 are detachably installed on the inner side of the carrier vehicle body 4. Each test plate 5 is provided with several support columns 7, and multiple fixed seats 10 are arranged around the support columns 7. The top of the fixed seat 10 is provided with a sliding groove 13, and a sliding slider 14 is installed in the sliding groove 13. The top of the slider 14 is connected to a sliding frame 11. The sliding frame 11 and the fixed seat 10 are driven to move relative to each other by a first electric push rod 12. The top of the sliding frame 11 is provided with a clamping seat 21 for clamping the workpiece.

[0024] Specifically, this embodiment involves: first, placing the dimming film to be tested flat on multiple support columns 7; then, retracting multiple electric push rods 12 located in the same direction, pulling the corresponding sliding frame 11 along the slide groove 13, so that each clamping seat 21 in that direction moves synchronously towards the two end faces of the dimming film in that direction until the two ends are clamped and fixed. Next, controlling the retraction of multiple electric push rods 12 perpendicular to the previous direction in the same way, the other two end faces of the dimming film are clamped. Through the above steps, while achieving stable clamping of the dimming film, its automatic calibration and positioning at the testing station are also completed, ensuring that the dimming film and the light source can be accurately aligned during subsequent optical testing.

[0025] Specifically, the top of the support column 7 is connected to a support base 8, and the top of the support base 8 is covered with a first anti-slip film 9 to provide an anti-slip contact surface to the bottom of the workpiece.

[0026] Specifically, this embodiment involves adding a support base 8 between the support column 7 and the dimming film to be tested, thereby increasing the support area of ​​the support column 7 at the bottom of the dimming film to be tested. Adding a first anti-slip film 9 between the support base 8 and the dimming film to be tested enhances the stability of the support base 8 in supporting the bottom of the dimming film to be tested, and prevents the dimming film to be tested from shifting laterally when the first electric push rod 12 drives the clamping seat 21 to apply clamping force to the end face of the dimming film to be tested.

[0027] Specifically, a clamping plate 15 is slidably connected to the top of the sliding frame 11. The side of the clamping plate 15 facing the support column 7 is covered with a second anti-slip film 17 to provide an anti-slip contact surface for the side of the workpiece. A plurality of first springs 16 are connected to the side of the clamping plate 15 away from the support column 7, and are elastically connected to the clamping seat 21 through the plurality of first springs 16. The end of the clamping seat 21 is provided with a limiting groove 20, and a first limiting shaft 19 is sleeved in the limiting groove 20. The end of the first limiting shaft 19 is fixedly connected to the clamping plate 15.

[0028] Specifically, this embodiment involves adding a clamping plate 15 between the clamping seat 21 and the dimming film to be tested. After the clamping plate 15 comes into contact with the dimming film to be tested, on the one hand, the clamping plate 15 compresses the first spring 16 to cause it to undergo elastic deformation; on the other hand, the clamping plate 15 drives the first limiting shaft 19 to retract within the limiting groove 20. Utilizing the elastic deformation of the first spring 16, a buffer of clamping force is formed between the first electric push rod 12 and the dimming film to be tested, avoiding excessive instantaneous clamping force acting on the end face of the dimming film to be tested. When the first limiting shaft 19 retracts to the deepest part of the limiting groove 20, the elastic support of the clamping plate 15 is transformed into a rigid support, thereby providing a stable clamping force to the end face of the dimming film to be tested. On the one hand, this prevents the dimming film to be tested from shifting to a large extent; on the other hand, it prevents the dimming film to be tested from deforming.

[0029] Specifically, a sensor 6 is installed between the support column 7 and the test plate 5, and a sensor 18 is installed between the clamping plate 15 and the first limiting shaft 19.

[0030] Specifically, in this embodiment, a second anti-slip film 17 is added between the clamping plate 15 and the dimming film to be tested. The second anti-slip film 17 can increase the friction between the clamping plate 15 and the anti-slip film to be tested, and prevent large-scale lateral displacement when the clamping force is applied to the end face of the dimming film to be tested.

[0031] Specifically, the test board 5 is connected to multiple second electric push rods 22. A vacuum suction cup 30 is provided on the telescopic end of the second electric push rod 22. From top to bottom, the fourth sensor 29 and the third sensor 28 are arranged between the vacuum suction cup 30 and the telescopic end of the second electric push rod 22.

[0032] Specifically, in this embodiment, sensor 18 is used to detect the clamping force acting on the end face of the dimming film under test, sensor 6 is used to detect the change in the downward pressure exerted by the dimming film under test on the support column 7 when the dimming film under test is clamped to a stable stage, so as to avoid excessive clamping force causing deformation of the dimming film under test and ensure the levelness of the dimming film under test.

[0033] Specifically, the telescopic end of the second electric push rod 22 is provided with a buffer groove 24, and a buffer shaft 25 is sleeved inside the buffer groove 24. The vacuum suction cup 30 is set at the top of the buffer shaft 25, and the other end of the buffer shaft 25 is connected to a second spring 26. The buffer shaft 25 is elastically supported and connected to the bottom of the inner wall of the buffer groove 24 through the second spring 26. The bottom of the inner wall of the buffer groove 24 is connected to a second limiting shaft 27 corresponding to the buffer shaft 25.

[0034] Specifically, this implementation involves: after clamping and fixing the dimming film to be tested, controlling the second electric push rod 22 to extend, pushing the vacuum suction cup 30 closer to the bottom of the dimming film to be tested until the vacuum suction cup 30 adheres to the bottom of the dimming film to be tested. During this process, the third sensor 28 detects the magnitude of the upward pushing force acting on the dimming film to be tested. Then, controlling the second electric push rod 22 to retract, the fourth sensor 29 detects the magnitude of the downward pulling force acting on the dimming film to be tested. By detecting and controlling the upward pushing force and downward pulling force acting on the bottom of the dimming film to be tested, excessive force can be prevented from causing deformation of the dimming film to be tested.

[0035] Specifically, a compensation seat 41 is embedded in the inner side of the vacuum suction cup 30. The top of the compensation seat 41 is covered with a third anti-slip film 23, and the bottom is connected to a second toothed plate 39. The other end of the second toothed plate 39 is fitted with an directional sleeve 40, and the bottom end of the directional sleeve 40 is fixed to the bottom of the inner wall of the vacuum suction cup 30. The bottom of the inner wall of the vacuum suction cup 30 is also equipped with an adapter frame 38. A gear 37 is rotatably connected to the top inner side of the adapter frame 38. The gear 37 meshes with the second tooth plate 39 and simultaneously meshes with the first tooth plate 36. The first tooth plate 36 and the second tooth plate 39 are arranged symmetrically.

[0036] Specifically, in this embodiment: the second electric push rod 22 pushes the vacuum suction cup 30. After the vacuum suction cup 30 comes into contact with the bottom of the dimming film to be tested, the vacuum suction cup 30 retracts into the buffer groove 24 through the buffer shaft 25 and squeezes the second spring 26 to cause it to undergo elastic deformation. After the bottom end of the buffer shaft 25 comes into contact with the top end of the second limiting shaft 27, the elastic support for the vacuum suction cup 30 is transformed into a rigid support, so as to apply a stable upward pushing force to the bottom of the dimming film to be tested.

[0037] Specifically, the outer wall of the vacuum suction cup 30 is provided with a transmission port 34, the inner wall of the transmission port 34 is provided with a sealing groove 31, a sealing plate 32 is slidably connected in the sealing groove 31, a No. 3 spring 33 is connected to the bottom of the sealing plate 32, the sealing plate 32 is elastically supported and connected to the bottom of the inner wall of the sealing groove 31 through the No. 3 spring 33, the inner side of the sealing plate 32 is connected to the No. 1 toothed plate 36, the outer side of the sealing plate 32 is connected to a transmission frame 35, and the other end of the transmission frame 35 is connected to the lower surface of the vacuum suction cup 30.

[0038] In this specific embodiment, during the process of the vacuum suction cup 30 adsorbing onto the bottom of the dimming film to be tested and deforming, it will push the transmission frame 35. The transmission frame 35 will push the sealing plate 32 down into the sealing groove 31 and squeeze the third spring 33 to cause it to deform elastically. The sealing plate 32 will drive the first toothed plate 36 down into the transmission port 34. The first toothed plate 36 will drive the gear 37 to rotate inside the top of the transmission frame 35. The gear 37 will push the second toothed plate 39 upward into the fixed sleeve in the opposite direction. The second toothed plate 39 will push the compensation seat 41 to abut against the bottom of the dimming film to be tested. Since the part of the vacuum suction cup 30 adsorbing onto the bottom of the dimming film to be tested is made of elastic material, by adding the compensation seat 41, it is beneficial to further improve the stability of the vacuum suction cup 30 adsorbing onto the bottom of the dimming film to be tested.

[0039] During work: Positioning and multi-directional clamping: The dimming film to be tested is placed flat on multiple support columns 7. First, multiple electric push rods 12 in the same direction are retracted, which drives the corresponding sliding frame 11 to move along the slide groove 13, so that the clamping seat 21 in that direction approaches the two ends of the dimming film and completes the clamping. Then, the electric push rod 12 in the vertical direction is controlled to retract in the same way to achieve clamping of the other two ends of the dimming film. Through two-stage directional clamping, the dimming film is fixed and its automatic correction and positioning at the test station are completed, ensuring that the dimming film and the light source are accurately aligned in subsequent optical tests. The bottom is anti-slip and provides stable support. A support base 8 is set between the support column 7 and the dimming film to increase the bottom support area. The surface of the support base 8 is covered with a first-class anti-slip film 9 to enhance the support stability and prevent the dimming film from shifting to the side during clamping. The clamping base 21 has a clamping plate 15 at the front end. After the clamping plate 15 contacts the dimming film, it compresses the first spring 16 and drives the first limiting shaft 19 to retract along the limiting groove 20. The deformation of the first spring 16 buffers the initial clamping force to avoid damage to the film material due to excessive instantaneous clamping force. When the limiting shaft reaches the bottom of the limiting groove 20, the support method changes from elastic to rigid, providing a stable clamping force for the end face of the dimming film, which prevents lateral displacement and avoids deformation. The clamping plate 15 is provided with a second anti-slip film 17 to further increase friction and suppress lateral sliding. Clamping force and deformation monitoring: The clamping force on the end face is detected by sensor 18, and sensor 6 monitors the pressure change of the dimming film on the support column 7 after the clamping is stable. Real-time feedback is used to control the clamping force to ensure that the dimming film remains horizontal and without excessive deformation. Bottom adsorption and force control: After clamping and fixing, the second electric push rod 22 is activated to extend, pushing the vacuum suction cup 30 to contact and adsorb onto the bottom of the dimming film. During the process, the third sensor 28 monitors the upward pushing force. Then the second electric push rod 22 retracts, and the fourth sensor 29 detects the downward pulling force. Through dual-stage force monitoring and control, excessive adsorption force is prevented from causing deformation of the film material. The adsorption structure provides buffering and compensation. When the vacuum suction cup 30 contacts the film surface, it achieves elastic buffering by compressing the second spring 26 through the buffer shaft 25. When the bottom end of the buffer shaft 25 contacts the second limiting shaft 27, it becomes a rigid support, which facilitates the application of a stable upward thrust. During the adsorption process, the deformation of the vacuum suction cup 30 pushes the transmission frame 35, which drives the sealing plate 32 to move down and compress the third spring 33. The first toothed plate 36 connected to the sealing plate 32 moves down and drives the gear 37 to rotate. The gear 37 pushes the second toothed plate 39 to rise, so that the compensation seat 41 abuts against the bottom of the dimming film. The compensation seat 41 and the vacuum suction cup 30 work together to further improve the adsorption stability.

[0040] The embodiments of the present invention have been described above with reference to the accompanying drawings. However, the present invention is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of the present invention without departing from the spirit and scope of the claims. All of these forms are within the protection scope of the present invention.

Claims

1. An aging test vehicle based on a dimming film, comprising an aging vehicle body (1); characterized in that: The inner wall of the aging vehicle body (1) is provided with several pairs of parallel slide rails (2), and two slidable slide seats (3) are symmetrically installed on each pair of slide rails (2). A carrier vehicle body (4) is fixedly connected between the two slide seats (3), and multiple test plates (5) are detachably installed on the inner side of the carrier vehicle body (4). Each test plate (5) is provided with several support columns (7), and multiple fixed seats (10) are arranged around the support columns (7). The top of the fixed seat (10) is provided with a sliding groove (13), and a sliding slider (14) is installed in the sliding groove (13). The top of the slider (14) is connected to a sliding frame (11). The sliding frame (11) and the fixed seat (10) are driven to move relative to each other by a first electric push rod (12). The top of the sliding frame (11) is provided with a clamping seat (21) for clamping the workpiece.

2. The electrically powered aging test vehicle based on a dimming film according to claim 1, characterized in that: The top of the support column (7) is connected to a support base (8), and the top of the support base (8) is covered with a first anti-slip film (9) to provide an anti-slip contact surface to the bottom of the workpiece.

3. The electrically powered aging test vehicle based on a dimming film according to claim 2, characterized in that: The top of the sliding frame (11) is slidably connected to a clamping plate (15). The side of the clamping plate (15) facing the support column (7) is covered with a second anti-slip film (17) to provide an anti-slip contact surface for the side of the workpiece. The side of the clamping plate (15) away from the support column (7) is connected to multiple first springs (16) and is elastically connected to the clamping seat (21) through multiple first springs (16). The clamping seat (21) has a limiting groove (20) at its end, and a first limiting shaft (19) is fitted inside the limiting groove (20). The end of the first limiting shaft (19) is fixedly connected to the clamping plate (15).

4. The electrically powered aging test vehicle based on a dimming film according to claim 3, characterized in that: A sensor (6) is provided between the support column (7) and the test plate (5), and a sensor (18) is provided between the clamping plate (15) and the first limiting shaft (19).

5. The electrically powered aging test vehicle based on a dimming film according to claim 4, characterized in that: The test board (5) is connected to multiple second electric push rods (22). A vacuum suction cup (30) is provided on the telescopic end of the second electric push rod (22). A fourth sensor (29) and a third sensor (28) are arranged from top to bottom between the vacuum suction cup (30) and the telescopic end of the second electric push rod (22).

6. The electrically powered aging test vehicle based on a dimming film according to claim 5, characterized in that: The telescopic end of the second electric push rod (22) is provided with a buffer groove (24), and a buffer shaft (25) is sleeved inside the buffer groove (24). The vacuum suction cup (30) is set at the top of the buffer shaft (25). The other end of the buffer shaft (25) is connected to a second spring (26). The buffer shaft (25) is elastically supported and connected to the bottom of the inner wall of the buffer groove (24) through the second spring (26). The bottom of the inner wall of the buffer groove (24) is connected to a second limiting shaft (27) corresponding to the buffer shaft (25).

7. The electrically powered aging test vehicle based on a dimming film according to claim 6, characterized in that: The vacuum suction cup (30) is fitted with a compensation seat (41) on its inner side. The top of the compensation seat (41) is covered with a No. 3 anti-slip film (23), and its bottom is connected to a No. 2 toothed plate (39). The other end of the No. 2 toothed plate (39) is fitted with an orientation sleeve (40), and the bottom end of the orientation sleeve (40) is fixed to the bottom of the inner wall of the vacuum suction cup (30). The bottom of the inner wall of the vacuum suction cup (30) is also equipped with an adapter frame (38). A gear (37) is rotatably connected to the inner top of the adapter frame (38). The gear (37) meshes with the second tooth plate (39). The gear (37) also meshes with the first tooth plate (36). The first tooth plate (36) and the second tooth plate (39) are arranged symmetrically.

8. The electrically powered aging test vehicle based on a dimming film according to claim 7, characterized in that: The outer side wall of the vacuum suction cup (30) is provided with a transmission port (34), and the inner side wall of the transmission port (34) is provided with a sealing groove (31). A sealing plate (32) is slidably connected in the sealing groove (31). A No. 3 spring (33) is connected to the bottom of the sealing plate (32). The sealing plate (32) is elastically supported and connected to the bottom of the inner side wall of the sealing groove (31) through the No. 3 spring (33). The inner side of the sealing plate (32) is connected to the No. 1 toothed plate (36). A transmission frame (35) is connected to the outer side of the sealing plate (32). The other end of the transmission frame (35) is connected to the lower surface of the vacuum suction cup (30).

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