Vehicle-mounted liquid crystal display screen testing device

Abstract

The invention discloses a vehicle-mounted liquid crystal display screen testing device, and relates to the technical field of display screen testing, and the device comprises a detection table, an automatic plugging assembly, and a pressing positioning assembly. According to the invention, through the automatic plugging assembly, the butt joint of the display power strip interface and the starting board interface can be rapidly completed, the operation is rapid and convenient, only the display screen needs to be placed on the placing board, and compared with the plugging by adopting a high-precision manipulator, various sensors and powerful algorithms are not needed, and the plugging can be realized through mechanical transmission; only one driving source of the electric push rod is needed, so that the cost is lower, the weight reduction of the equipment is facilitated, and other energy sources are not needed for driving and controlling; through the cleaning module, air injection dust removal is carried out on the flat cable interface, poor interface connection contact caused by some dust particles existing at the flat cable interface is avoided, the yield is improved, dust removal is carried out in the butt joint process, the independent dust removal time is shortened, and the detection efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of display screen testing, in particular to a vehicle-mounted liquid crystal display screen testing device. Background Art

[0002] Consumers' demands for automotive intelligence and comfort continue to increase. More and more cars are equipped with large central control displays and multiple displays, such as passenger entertainment screens and rear-seat displays, to provide richer information display and entertainment functions.

[0003] During the production process, existing in-vehicle LCD screens need to be tested for touch sensitivity, color accuracy, brightness uniformity, contrast, and resolution. To achieve the above tests, the display cable must first be connected to an external driver board. The main function of the driver board is to provide the LCD screen with appropriate drive signals, including control signals, clock signals, data signals, etc. Only through the driver board can the LCD screen receive correct instructions and thus display normal images and text information. However, to achieve accurate automatic plug-in, a high-precision robot is required to complete it. The cost of such a robot is often very high, and it requires the use of a variety of high-precision sensors and complex algorithms to complete. Therefore, most people still use manual methods to plug the display screen and the driver board, and then perform testing. This method is inefficient. In addition, during the plug-in process, if there is dust on the display cable interface, it is easy to affect and cause poor contact. In this case, the interface often needs to be cleaned. Most people use mouth blowing, which is not very hygienic and inefficient.

[0004] Based on this, a vehicle-mounted liquid crystal display test device is now provided, which can eliminate the disadvantages of existing test devices and manual operations. Summary of the Invention

[0005] The purpose of the present invention is to provide a vehicle-mounted liquid crystal display screen testing device to solve the problem in the background art that the cost of using a high-precision manipulator is high and the efficiency of manual inspection and cleaning is low.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A vehicle-mounted liquid crystal display screen testing device includes a test platform, an automatic plug-in component, and a press-positioning component. A touch manipulator is provided on the upper surface of the test platform. A placement plate is fixedly connected to the upper surface of the test platform via a bracket. A fifth guide rail is fixed to the upper surface of the test platform via bolts. A fourth slider is slidably connected to the fifth guide rail. The upper surface of the fourth slider is fixedly connected to a sliding platform. A drive board is provided on the upper surface of the sliding platform. The drive board is electrically connected to an external computer.

[0008] The automatic plug-in assembly is arranged on the upper surface of the testing table, and is used to quickly drive the display screen cable interface to connect with the driver board interface;

[0009] The pressing and positioning assembly is arranged on the upper surface of the detection platform to prevent the display screen cable interface from longitudinal displacement during the docking process.

[0010] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0011] The cam is fixedly provided with a second gear through the guide rails and the second gear is engaged with the gear by the guide rails, and the cam is connected with the first gear through the guide rails and the second gear is engaged with the gear by the guide rails.

[0012] A hole is formed on the side wall of the straightening frame, and the second rack passes through the hole.

[0013] In an optional solution: the upper surface of the testing platform is fixed with a limit stop frame by bolts.

[0014] In an optional solution: the press positioning assembly includes a mounting platform and a support frame, the upper surface of the detection platform is fixedly connected to two mounting platforms, the upper surface of the mounting platform is fixed to the support frame by bolts, the upper surface of the support frame is fixedly connected to an inclined guide rail, the inner side wall of the inclined guide rail is slidably connected to a limiting slide bar, the two side walls of the support frame are fixedly connected to the second guide rail, the inner side wall of the second guide rail is slidably connected to the second slider, both ends of the limiting slide bar are fixedly connected to the first telescopic rod, the end of the first telescopic rod away from the limiting slide bar is fixedly connected to the second slider, the limiting slide bar is fixedly connected to two iron blocks and a lifting plate, and the lower surface of the lifting plate is fixedly connected to the contact plate by a spring;

[0015] Two fixed plates are fixedly connected to the upper surface of the sliding platform, and the side walls of the two fixed plates are fixedly connected to the third guide rail through a second lifting and retracting rod. The inner wall of the third guide rail is slidably connected to the first magnetic block, and a spring is fixedly connected between the first magnetic block and the inner wall of the third guide rail. The first magnetic block is magnetically connected to the iron block.

[0016] In an optional solution: a cleaning module is provided between the lifting plate and the contact plate, the cleaning module includes a connecting rod and a fourth guide rail, two symmetrical telescopic blocks are fixedly connected to the lower surface of the lifting plate, and two symmetrical air boxes are fixedly connected to the upper surface of the contact plate, the telescopic blocks are slidably connected to the inner wall of the air box, the side wall of the air box is connected to the injection pipe through a connecting pipe, and the side wall of the air box is provided with a one-way valve.

[0017] In an optional solution: the two air box side walls are commonly fixedly connected to a fourth guide rail, the inner side walls of the fourth guide rail are slidably connected to two symmetrical third sliders, the air injection pipe is fixedly connected to the third slider through, the side wall of the telescopic block is rotatably connected to a connecting rod via a pin, and the end of the connecting rod away from the telescopic block is rotatably connected to the third slider via a pin.

[0018] In an optional solution: the second rack, the fourth sliding block, and the sliding platform are provided with a plurality of bolt holes.

[0019] In an optional solution: both side walls of the inclined guide rails are fixedly connected with a second magnetic block, and the second magnetic block is magnetically connected to the iron block.

[0020] In an optional solution, a plurality of vacuum suction cups are provided through the placement plate.

[0021] In an optional solution: the straightening plate is provided with a plurality of rotating rollers.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The present invention can quickly complete the docking of the display socket interface and the starter board interface through the automatic plug-in component. The operation is quick and convenient. The display screen only needs to be placed on the placement board. Compared with the use of high-precision manipulators for plugging, it does not require multiple sensors and powerful algorithms. It can be achieved through mechanical transmission and only requires an electric push rod as a driving source, which is lower in cost and helps to reduce the weight of the equipment. No other energy drive and control is required.

[0024] 2. The present invention performs longitudinal positioning of the cable interface by pressing the positioning component, thereby preventing the cable interface from longitudinally moving or rotating during docking, which would cause the interface to be unable to dock with the driver board, thereby improving the docking accuracy of the device.

[0025] 3. The present invention uses a cleaning module to perform air jet dust removal on the cable interface to avoid the presence of dust particles at the cable interface that may cause poor interface connection, thereby improving the yield rate. In addition, dust removal is performed during the docking process, reducing the time for separate dust removal and improving detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1It is a structural schematic diagram of the present invention.

[0027] Figure 2 This is a first viewing angle diagram of the present invention.

[0028] Figure 3 It is a side view of the present invention.

[0029] Figure 4 For the present invention Figure 3 Cross-section view at AA in the middle.

[0030] Figure 5 This is a first perspective view of the press positioning assembly of the present invention.

[0031] Figure 6 This is a second perspective view of the press positioning assembly of the present invention.

[0032] Figure 7 For the present invention Figure 6 Enlarged view of point B in the middle.

[0033] Figure 8 This is a third perspective view of the press positioning assembly of the present invention.

[0034] Figure 9 This is a diagram showing the initial state of the straightening frame of the present invention.

[0035] Figure 10 For the present invention Figure 4 Enlarged view of point C in the middle.

[0036] Figure 11 It is a schematic diagram of the straightening plate structure of the present invention.

[0037] Notes on figure numbers: 1 detection table, 2 touch manipulator, 3 placement plate, 4 vacuum suction cup, 5 automatic plug-in assembly, 6 press positioning assembly, 7 cleaning module, 8 straightening frame, 9 straightening plate, 10 first rack, 11 electric push rod, 12 sliding table, 13 driving plate, 14 second rack, 15 gear, 16 first guide rail, 17 first slider, 18 limit stop frame, 19 mounting table, 20 inclined guide rail, 21 second guide rail, 22 first telescopic rod, 23 second slider, 24 support frame, 25 fixed plate, 26 second lifting and retracting rod, 27 third guide rail, 28 first magnetic block, 29 iron block, 30 second magnetic block, 31 third lifting and retracting rod, 32 lifting plate, 33 telescopic block, 34 air box, 35 contact plate, 36 connecting rod, 37 fourth guide rail, 38 third slider, 39 injection pipe, 40 connecting pipe, 41 fourth slider, 42 fifth guide rail, 43 limit slide bar. DETAILED DESCRIPTION

[0038] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0039] In one embodiment, Figures 1-11 As shown, a vehicle-mounted liquid crystal display test device includes a test platform 1, an automatic plug-in component 5, and a press positioning component 6. A touch robot 2 is provided on the upper surface of the test platform 1. A placement plate 3 is fixedly connected to the upper surface of the test platform 1 via a bracket. A fifth guide rail 42 is fixed to the upper surface of the test platform 1 via bolts. A fourth slider 41 is slidably connected to the fifth guide rail 42. The upper surface of the fourth slider 41 is fixedly connected to a sliding platform 12. A driving board 13 is provided on the upper surface of the sliding platform 12. The driving board 13 is electrically connected to an external computer.

[0040] The automatic plug-in assembly 5 is arranged on the upper surface of the test platform 1 and is used to quickly drive the display screen cable interface to connect with the driver board 13 interface;

[0041] The pressing and positioning assembly 6 is arranged on the upper surface of the testing platform 1 to prevent the display screen cable interface from longitudinally shifting during the docking process.

[0042] The touch manipulator 2 is started to perform a touch operation on the display screen. Various test data are transmitted to the computer through the driver board 13, and the computer test program determines the sensitivity.

[0043] In one embodiment, the automatic plug-in assembly 5 includes a first rack 10 and an electric push rod 11, the output end of the electric push rod 11 is fixedly connected to the sliding table 12, the lower surface of the fourth slider 41 is fixed with a second rack 14 by a bolt, the upper surface of the detection platform 1 is provided with a gear 15 through a rotating shaft and a bearing seat, the upper surface of the detection platform 1 is provided with a straightening frame 8 for sliding, the side wall of the straightening frame 8 is fixedly connected to the first rack 10 through a third lifting and retracting rod 31, a spring is fixedly connected between the straightening frame 8 and the first rack 10, the first rack 10 and the second rack 14 are meshed with the gear 15 together, the upper surface of the detection platform 1 is fixedly connected to two first guide rails 16, the opposite side walls of the straightening frame 8 are fixedly connected with a first slider 17, the first slider 17 is slidably connected to the inner wall of the first guide rail 16, the side wall of the straightening frame 8 is detachably provided with a straightening plate 9, the shape of the straightening plate 9 corresponds to the display cable interface, and a bump is provided on the upper surface of the straightening plate 9;

[0044] A hole is formed on the side wall of the straightening frame 8 , and the second rack 14 passes through the hole.

[0045] Start the electric push rod 11, the electric push rod 11 drives the sliding table 12 to move, the sliding table 12 drives the second rack 14 to move, the second rack 14 drives the first rack 10 to move in the opposite direction through the gear 15, the driving plate 13 on the sliding table 12 and the straightening plate 9 move toward each other, when the straightening frame 8 moves to the position of the limit stop frame 18, the straightening frame 8 reaches the maximum position, at this time the straightening plate 9 straightens the cable, and at this time the cable interface is located on the straightening plate 9, the electric push rod 11 continues to drive the fourth slider 41 to move forward, and the third lifting and retracting rod 31 is stretched until the display cable interface is docked with the interface of the driving plate 13;

[0046] The docking of the display socket interface and the starter board 13 interface can be completed quickly. The operation is quick and convenient. You only need to place the display screen on the placement board 3. Compared with the use of high-precision manipulators for plugging, it does not require multiple sensors and powerful algorithms. It can be achieved through mechanical transmission, and only one driving source, the electric push rod 11, is needed. It is lower in cost and helps to reduce the weight of the equipment. No other energy drive and control is required.

[0047] In one embodiment, the upper surface of the testing platform 1 is fixed with a limit stop frame 18 by bolts.

[0048] The limit stop 18 is used to control the maximum displacement distance of the straightening frame 8.

[0049] In one embodiment, the press positioning assembly 6 includes a mounting platform 19 and a support frame 24. The upper surface of the detection platform 1 is fixedly connected to two mounting platforms 19. The upper surface of the mounting platform 19 is fixed with a support frame 24 by bolts. The upper surface of the support frame 24 is fixedly connected with an inclined guide rail 20. The inner side wall of the inclined guide rail 20 is slidably connected to a limiting slide bar 43. The side walls of the two support frames 24 are fixedly connected to a second guide rail 21. The inner side wall of the second guide rail 21 is slidably connected to a second slider 23. Both ends of the limiting slide bar 43 are fixedly connected to a first telescopic rod 22. The end of the first telescopic rod 22 away from the limiting slide bar 43 is fixedly connected to the second slider 23. The limiting slide bar 43 is fixedly connected to two iron blocks 29 and a lifting plate 32. The lower surface of the lifting plate 32 is fixedly connected to a contact plate 35 by a spring.

[0050] Two fixed plates 25 are fixedly connected to the upper surface of the sliding table 12. The side walls of the two fixed plates 25 are fixedly connected to the third guide rail 27 through the second lifting rod 26. The inner wall of the third guide rail 27 is slidably connected to the first magnetic block 28. A spring is fixedly connected between the first magnetic block 28 and the inner wall of the third guide rail 27. The first magnetic block 28 is magnetically connected to the iron block 29.

[0051] When the electric push rod 11 drives the sliding table 12 to move, the sliding table 12 drives the fixed plate 25, the third guide rail 27, and the first magnetic block 28 to move to the position of the iron block 29. The iron block 29 is pushed and descends along the inclined track of the inclined guide rail 20 until the contact plate 35 is squeezed and fixed with the cable interface, thereby longitudinally positioning the cable interface to prevent the cable interface from longitudinally moving or rotating during docking, which would cause the interface with the drive plate 13 to be unable to dock, thereby improving the docking accuracy of the device;

[0052] It should be noted that when the iron block 29 is at the maximum displacement, the interface of the drive plate 13 and the cable interface have not yet completed docking, and the cable interface has not yet entered the interface of the drive plate 13. The electric push rod 11 drives the sliding table 12 to continue moving forward, and the second lifting and retracting rod 26 is squeezed and retracted.

[0053] In one embodiment, a cleaning module 7 is provided between the lifting plate 32 and the contact plate 35. The cleaning module 7 includes a connecting rod 36 and a fourth guide rail 37. Two symmetrical telescopic blocks 33 are fixedly connected to the lower surface of the lifting plate 32, and two symmetrical air boxes 34 are fixedly connected to the upper surface of the contact plate 35. The telescopic blocks 33 are slidably connected to the inner wall of the air box 34. The side wall of the air box 34 is connected to the injection pipe 39 through the connecting pipe 40, and a one-way valve is provided on the side wall of the air box 34.

[0054] When the limiting slide bar 43 moves in the inclined rail of the inclined guide rail 20, the lifting plate 32 drives the contact plate 35 to descend and contact the cable interface on the straightening plate 9. The lifting plate 32 continues to move downward, and the lifting plate 32 drives the telescopic block 33 to enter the air box 34. The telescopic block 33 discharges the gas in the air box 34 through the connecting pipe 40 and the air jet pipe 39. At the same time of docking, the cable interface is sprayed with dust to avoid the presence of some dust particles at the cable interface causing poor contact of the interface connection, thereby improving the yield rate. Dust removal is performed during the docking process, which reduces the time for separate dust removal and improves the detection efficiency.

[0055] In one embodiment, the side walls of the two air boxes 34 are fixedly connected to a fourth guide rail 37, the inner side walls of the fourth guide rail 37 are slidably connected to two symmetrical third sliders 38, the air injection pipe 39 is fixedly connected to the third slider 38, and the side wall of the telescopic block 33 is rotatably connected to the connecting rod 36 through a pin shaft, and the end of the connecting rod 36 away from the telescopic block 33 is rotatably connected to the third slider 38 through a pin shaft.

[0056] When the telescopic block 33 enters the air box 34, the telescopic block 33 drives the third slider 38 to slide in the fourth guide rail 37 through the connecting rod 36. The two third sliders 38 slide toward each other, driving the two air injection tubes 39 to slide toward each other, so that the air injection tubes 39 blow air to the cable interface while moving, and blow air along the direction of the cable interface to increase the blowing range and improve the air flow's effect of cleaning dust at the interface.

[0057] In one embodiment, a plurality of bolt holes are provided on the second rack 14, the fourth slider 41, and the sliding platform 12. Before docking, adjustments need to be made according to the length of the display cable. The specific adjustment method is to release the bolts securing the position of the limit block 18, the second rack 14, and the support frame 24, and adjust the distance between the limit block 18 and the straightening frame 8, and the distance between the second rack 14 and the sliding platform 12. When the cable is short, the distance between the limit block 18 and the straightening frame 8 is shortened, and the electric push rod 11 drives the starting position of the sliding platform 12 closer to the straightening frame 8. The first rack 10 is then adjusted to a suitable position and fixed, and the support frame 24 is also positioned closer to the straightening frame 8, so that the contact plate 35 can contact the cable interface. When the cable is long, the opposite is true.

[0058] In one embodiment, the side walls of the two inclined guide rails 20 are fixedly connected with a second magnetic block 30 , and the second magnetic block 30 is magnetically connected to the iron block 29 .

[0059] When the magnetic force of the first magnetic block 28 drives the iron block 29 back to the highest point of the inclined guide rail 20, the iron block 29 is attracted to the second magnetic block 30, the first magnetic block 28 is separated from the iron block 29, the fixed plate 25, the third guide rail 27 and the second magnetic block 30 are staggered, the length of the iron block 29 is greater than the width of the third guide rail 27 and the fixed plate 25, and under the magnetic force of the second magnetic block 30, it is adsorbed on the highest point of the inclined guide rail 20.

[0060] In one embodiment, a plurality of vacuum suction cups 4 are provided through the placement plate 3 .

[0061] The vacuum suction cup 4 firmly adsorbs the display screen on the placement plate 3 to prevent movement during the insertion process, which may cause docking failure.

[0062] In one embodiment, the straightening plate 9 is provided with several rotating rollers.

[0063] The rotating roller reduces the friction loss of the cable and allows the cable interface to move smoothly to the straightening plate 9.

[0064] The above embodiment discloses a vehicle-mounted LCD screen testing device, and its specific working principle and process are as follows:

[0065] S1: Place the display screen on the sliding table 12 using a robot arm, and place the display cable on the straightening plate 9 during the placement process. Start the vacuum suction cup 4 to firmly attach the display screen to the placement plate 3 to prevent movement during the insertion process, which may cause docking failure.

[0066] S2: Start the electric push rod 11, the electric push rod 11 drives the sliding table 12 to move, the sliding table 12 drives the second rack 14 to move, the second rack 14 drives the first rack 10 to move in the opposite direction through the gear 15, the driving plate 13 on the sliding table 12 and the straightening plate 9 move toward each other, when the straightening frame 8 moves to the position of the limit stop frame 18, the straightening frame 8 reaches the maximum position, at this time the straightening plate 9 straightens the cable, and at this time the cable interface is located on the straightening plate 9, the electric push rod 11 continues to drive the fourth slider 41 to move forward, and the third lifting and retracting rod 31 is stretched until the display cable interface is docked with the interface of the driving plate 13;

[0067] S3: When the electric push rod 11 drives the sliding table 12 to move, the sliding table 12 drives the fixed plate 25, the third guide rail 27, and the first magnetic block 28 to move to the position of the iron block 29. The iron block 29 is pushed and descends along the inclined rail of the inclined guide rail 20 until the contact plate 35 is squeezed and fixed with the cable interface, thereby longitudinally positioning the cable interface to prevent the cable interface from longitudinally moving or rotating during docking, which may cause the interface with the drive plate 13 to be unable to dock, thereby improving the docking accuracy of the device;

[0068] It should be noted that when the iron block 29 is at the maximum displacement, the interface of the drive plate 13 and the cable interface have not yet completed docking, and the cable interface has not yet entered the interface of the drive plate 13. The electric push rod 11 drives the sliding table 12 to continue moving forward, and the second lifting and retracting rod 26 is squeezed and retracted.

[0069] S4: When the limiting slide bar 43 moves within the inclined rail of the inclined guide rail 20, the lifting plate 32 drives the contact plate 35 to descend and contact the cable interface on the straightening plate 9. The lifting plate 32 continues to move downward, and the lifting plate 32 drives the telescopic block 33 to enter the air box 34. The telescopic block 33 discharges the gas in the air box 34 through the connecting pipe 40 and the air injection pipe 39. At the same time as docking, the cable interface is sprayed with dust to avoid dust particles at the cable interface causing poor contact of the interface connection and reducing the yield rate. Dust removal is performed during the docking process, which reduces the time for separate dust removal and improves the detection efficiency.

[0070] S5: As the telescopic block 33 enters the air box 34, the telescopic block 33 drives the third slider 38 to slide within the fourth guide rail 37 via the connecting rod 36. The two third sliders 38 slide toward each other, driving the two air injection pipes 39 to slide toward each other. The air injection pipes 39 blow air toward the cable interface while moving, blowing air in the direction of the cable interface, thereby increasing the blowing range and improving the airflow's effect on cleaning dust at the interface.

[0071] S6: After the docking is completed, the touch manipulator 2 is started to perform touch operation on the display screen. Various test data are transmitted to the computer through the driver board 13, and the computer test program determines the sensitivity;

[0072] S7: After the test is completed, the electric push rod 11 is started in the reverse direction, and the spring drives the third guide rail 27, the first rack 10, the telescopic block 33, and the first magnetic block 28 to reset; when the magnetic force of the first magnetic block 28 drives the iron block 29 back to the highest point of the inclined guide rail 20, the iron block 29 is attracted to the second magnetic block 30, and the first magnetic block 28 is separated from the iron block 29. The fixed plate 25, the third guide rail 27 and the second magnetic block 30 are staggered. The length of the iron block 29 is greater than the width of the third guide rail 27 and the fixed plate 25. Under the magnetic force of the second magnetic block 30, it is adsorbed on the highest point of the inclined rail of the inclined guide rail 20;

[0073] Before starting docking, it is necessary to adjust according to the length of the display cable. The specific adjustment method is to release the bolts to the position of the limit block 18, the second rack 14, and the support frame 24, and adjust the distance between the limit block 18 and the straightening frame 8, and the distance between the second rack 14 and the sliding table 12. When the cable is shorter, the distance between the limit block 18 and the straightening frame 8 is adjusted to be shorter, and the electric push rod 11 drives the starting position of the sliding table 12 closer to the straightening frame 8. Then adjust the first rack 10 to a suitable position and fix it. The position of the support frame 24 is also closer to the position of the straightening frame 8, so that the contact plate 35 can contact the cable interface. When the cable is longer, the opposite is true.

[0074] When adapting to cable interfaces of different sizes, the straightening plate 9 can be disassembled and replaced to improve the applicability of the device.

[0075] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A vehicle-mounted liquid crystal display test device, characterized in that: The invention comprises a detection platform (1), an automatic plug-in assembly (5), and a press positioning assembly (6); a touch manipulator (2) is provided on the upper surface of the detection platform (1); a placement plate (3) is fixedly connected to the upper surface of the detection platform (1) via a bracket; a fifth guide rail (42) is fixed to the upper surface of the detection platform (1) via bolts; the fifth guide rail (42) is slidably connected to a fourth slider (41); the upper surface of the fourth slider (41) is fixedly connected to a sliding platform (12); a driving plate (13) is provided on the upper surface of the sliding platform (12); and the driving plate (13) is electrically connected to an external computer; The automatic plug-in assembly (5) is arranged on the upper surface of the test platform (1) and is used to quickly drive the display screen cable interface to connect with the driver board (13) interface; The pressing and positioning assembly (6) is arranged on the upper surface of the detection platform (1) and is used to prevent the display screen cable interface from longitudinally shifting during the docking process.

2. The vehicle-mounted liquid crystal display test device according to claim 1, characterized in that: The automatic plug-in assembly (5) includes a first rack (10) and an electric push rod (11), the output end of the electric push rod (11) is fixedly connected to the sliding table (12), the lower surface of the fourth slider (41) is fixed with a second rack (14) by bolts, the upper surface of the detection table (1) is provided with a gear (15) that rotates with the bearing seat through a rotating shaft, the upper surface of the detection table (1) is provided with a straightening frame (8) that is slidable, the side wall of the straightening frame (8) is fixedly connected to the first rack (10) through a third lifting and retracting rod (31), and the straightening frame (8) and the first rack are connected. (10), a spring is fixedly connected between the first rack (10) and the second rack (14), the first rack (10) and the second rack (14) are meshed with the gear (15), the upper surface of the detection platform (1) is fixedly connected to two first guide rails (16), the opposite side walls of the straightening frame (8) are fixedly connected to first sliders (17), the first sliders (17) are slidably connected to the inner side walls of the first guide rails (16), the side walls of the straightening frame (8) are detachably provided with straightening plates (9), the shape of the straightening plates (9) corresponds to the display cable interface, and the upper surface of the straightening plates (9) is provided with bumps; A hole is provided on the side wall of the straightening frame (8), and the second rack (14) passes through the hole.

3. The vehicle-mounted liquid crystal display test device according to claim 2, characterized in that: The upper surface of the testing platform (1) is fixed with a limit stop frame (18) via bolts.

4. The vehicle-mounted liquid crystal display test device according to claim 1, characterized in that: The pressing and positioning assembly (6) includes a mounting platform (19) and a support frame (24), the upper surface of the detection platform (1) is fixedly connected to two mounting platforms (19), the upper surface of the mounting platform (19) is fixedly connected to the support frame (24) by bolts, the upper surface of the support frame (24) is fixedly connected to an inclined guide rail (20), the inner side wall of the inclined guide rail (20) is slidably connected to a limiting slide bar (43), the side walls of the two support frames (24) are fixedly connected to a second guide rail (21), the inner side wall of the second guide rail (21) is slidably connected to a second slider (23), both ends of the limiting slide bar (43) are fixedly connected to a first telescopic rod (22), the end of the first telescopic rod (22) away from the limiting slide bar (43) is fixedly connected to the second slider (23), the limiting slide bar (43) is fixedly connected to two iron blocks (29) and a lifting plate (32), and the lower surface of the lifting plate (32) is fixedly connected to a contact plate (35) by a spring; Two fixed plates (25) are fixedly connected to the upper surface of the sliding platform (12); the side walls of the two fixed plates (25) are fixedly connected to the third guide rail (27) through the second lifting and retracting rod (26); the inner side wall of the third guide rail (27) is slidably connected to the first magnetic block (28); a spring is fixedly connected between the first magnetic block (28) and the inner side wall of the third guide rail (27); and the first magnetic block (28) is magnetically connected to the iron block (29).

5. The vehicle-mounted liquid crystal display test device according to claim 4, characterized in that: A cleaning module (7) is provided between the lifting plate (32) and the contact plate (35), and the cleaning module (7) comprises a connecting rod (36) and a fourth guide rail (37). Two symmetrical telescopic blocks (33) are fixedly connected to the lower surface of the lifting plate (32), and two symmetrical air boxes (34) are fixedly connected to the upper surface of the contact plate (35). The telescopic blocks (33) are slidably connected to the inner side wall of the air box (34). The side wall of the air box (34) is connected to an air injection pipe (39) through a connecting pipe (40), and a one-way valve is provided at the air inlet hole of the side wall of the air box (34).

6. The vehicle-mounted liquid crystal display test device according to claim 5, characterized in that: The side walls of the two air boxes (34) are fixedly connected to a fourth guide rail (37), the inner side walls of the fourth guide rail (37) are slidably connected to two symmetrical third sliders (38), the air injection pipe (39) is fixedly connected to the third slider (38), the side wall of the telescopic block (33) is rotatably connected to a connecting rod (36) through a pin, and the end of the connecting rod (36) away from the telescopic block (33) is rotatably connected to the third slider (38) through a pin.

7. The vehicle-mounted liquid crystal display test device according to claim 2, characterized in that: The second rack (14), the fourth sliding block (41) and the sliding platform (12) are all provided with a plurality of bolt holes, and the positions of the bolt holes correspond to each other.

8. The vehicle-mounted liquid crystal display screen testing device according to claim 4, characterized in that: The side walls of the two inclined guide rails (20) are both fixedly connected with a second magnetic block (30), and the second magnetic block (30) is magnetically connected to the iron block (29).

9. The vehicle-mounted liquid crystal display test device according to claim 1, characterized in that: The placement plate (3) is provided with a plurality of vacuum suction cups (4) running through it.

10. The vehicle-mounted liquid crystal display testing device according to claim 2, characterized in that: The straightening plate (9) is provided with a plurality of rotating rollers.

Images