A reliability detection device for LCD screen of navigation instrument

Abstract

The utility model relates to the technical field of liquid crystal screen detection, and in particular to a navigation instrument liquid crystal screen reliability detection device. The utility model provides a navigation instrument liquid crystal screen reliability detection device that can perform various tests on the reliability of the navigation instrument liquid crystal screen, so that the accuracy of the liquid crystal screen reliability test is high, and the usability of the device is improved. A navigation instrument liquid crystal screen reliability detection device includes a base and a pad, etc., and the pad is slidably connected to the upper part of the base. The utility model performs a high-temperature environment test through a heating plate, rotates a cam to move the pad left and right, performs a waterproof test through a nozzle spraying water, performs an impact test through repeated knocking by an impact hammer, and performs an anti-scratch ability test through a scraper, so as to achieve the ability to detect the navigation instrument liquid crystal screen in a variety of ways, realize functional integration, reduce equipment maintenance costs, and improve the reliability of navigation instrument liquid crystal screen detection.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal screen detection, in particular to a reliability detection device for a navigator liquid crystal screen. Background Art

[0002] The navigation LCD screen, also known as the car navigation display or GPS display, is a key component installed in the car navigation system. It is used to display map information, driving routes, direction guidance, real-time traffic conditions and other relevant information such as speed, direction, points of interest, etc. It is a visual interface for the driver to interact with the navigation system, which is crucial for the driver to understand navigation instructions, plan trips and drive safely.

[0003] The existing reliability testing of navigation system LCD screens usually places the LCD screen in a high temperature area to simulate the operation of the LCD screen under high temperature conditions. When the LCD screen needs to be impact tested, the LCD screen is placed on an impact testing machine for impact testing. Since the test needs to be performed through multiple devices, the operation is cumbersome, and functional integration cannot be achieved, which increases the equipment maintenance cost and is inconvenient.

[0004] Therefore, it is necessary to detect the navigation system LCD screen in a variety of ways to achieve functional integration, reduce equipment maintenance costs, and improve the reliability of navigation system LCD screen detection. Utility Model Content

[0005] In order to overcome the shortcomings of existing navigation system LCD screen reliability testing, which requires testing through multiple devices, is cumbersome to operate, cannot achieve functional integration, increases equipment maintenance costs, and is relatively inconvenient, the utility model provides a navigation system LCD screen reliability testing device that can perform multi-faceted tests on the reliability of the navigation system LCD screen, so that the LCD screen reliability test has higher accuracy and the usability of the device is improved.

[0006] The technical solution is: a navigation instrument LCD screen reliability detection device, including a base, a pad, a hydraulic cylinder, a common screw and a heating plate. The upper part of the base is slidably connected to the pad, and the left and right parts of the base are rotatably connected to the common screw. The common screw is threaded with moving blocks, and the moving blocks are slidably connected to the base. The upper sides of the moving blocks are connected to the hydraulic cylinders, and the heating plates are connected between the telescopic ends of the hydraulic cylinders.

[0007] As an improvement on the above scheme, it also includes a motor, a cam, a fixed rod, a scraper and a torsion spring. The front and rear parts of the base are connected to left and right motors, the motor output shafts are connected to cams, the upper front side of the base is connected to left and right fixed rods, the rear parts of the fixed rods are rotatably connected to scrapers, and the upper and lower parts of the scrapers are connected to torsion springs between the adjacent fixed rods.

[0008] As an improvement of the above scheme, it also includes a rotating seat, a positioning pin, a bidirectional screw and a clamping frame. The middle part of the pad is rotatably connected to the rotating seat, the upper sides of the front and rear parts of the rotating seat are connected to positioning pins, the positioning pins are clamped with the rotating seat, the front and rear parts of the rotating seat are slidably connected to the clamping frame, and the left and right parts of the clamping frame are threadedly connected to the bidirectional screw.

[0009] As an improvement to the above solution, a knob is provided on each bidirectional lead screw.

[0010] As an improvement of the above solution, an impact hammer is also included, and the upper left part of the base is connected to the impact hammer.

[0011] As an improvement of the above solution, it also includes a nozzle and a material box. The upper right side of the base is connected to the material box, and the left side of the material box is connected to the nozzle.

[0012] Beneficial effects: The utility model performs high temperature environment test through the heating plate, moves the pad left and right through the rotation of the cam, performs waterproof test through the nozzle spraying water, performs impact test through repeated knocking by the impact hammer, and performs anti-scratch ability test through the scraper. It is possible to detect the LCD screen of the navigator in multiple ways, realize functional integration, reduce equipment maintenance costs, and improve the reliability of the navigator LCD screen detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0014] Figure 2 It is a three-dimensional structural schematic diagram of the thermal shock assembly of the utility model.

[0015] Figure 3 It is a three-dimensional structural schematic diagram of the clamping assembly of the utility model.

[0016] Figure 4 It is a three-dimensional structural schematic diagram of the wind simulation component of the utility model.

[0017] The numbers in the figure are as follows: 1. base, 2. pad, 3. motor, 4. cam, 5. fixing rod, 6. scraper, 60. torsion spring, 7. hydraulic cylinder, 70. ordinary screw, 8. heating plate, 9. rotating seat, 10. positioning pin, 11. bidirectional screw, 12. clamping frame, 13. impact hammer, 14. nozzle, 15. material box. DETAILED DESCRIPTION

[0018] The above scheme is further described below in conjunction with specific examples. It should be understood that these examples are used to illustrate the present application and are not limited to the scope of the present application. The implementation conditions adopted in the examples can be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are usually the conditions in conventional experiments.

[0019] A navigation device LCD screen reliability detection device, such as Figure 1-Figure 4 As shown, it includes a base 1, a pad 2, a motor 3, a cam 4, a fixed rod 5, a scraper 6, a torsion spring 60, a hydraulic cylinder 7, a common screw 70, a heating plate 8, a rotating seat 9, a positioning pin 10, a bidirectional screw 11, a clamping frame 12, an impact hammer 13, a nozzle 14 and a material box 15. The upper part of the base 1 is slidably connected to the pad 2, the front and rear parts of the base 1 are connected to the left and right motors 3, the output shafts of the motors 3 are connected to the cam 4, the upper front side of the base 1 is connected to the left and right fixed rods 5, the rear of the fixed rods 5 are rotatably connected to the scraper 6, the upper and lower parts of the scraper 6 are connected to the adjacent fixed rods 5 with a torsion spring 60, the left and right sides of the base 1 are rotatably connected to the common The through screw rod 70 and the ordinary screw rod 70 are all threadedly provided with moving blocks, and the moving blocks are all slidably connected to the base 1. The upper side of the moving blocks is connected to the hydraulic cylinder 7, and the heating plate 8 is connected between the telescopic ends of the hydraulic cylinder 7. The middle part of the pad 2 is rotatably connected to the rotating seat 9, and the upper sides of the front and rear parts of the rotating seat 9 are connected to the positioning pins 10, and the positioning pins 10 are clamped with the rotating seat 9. The front and rear parts of the rotating seat 9 are slidably connected to the clamping frame 12, and the left and right parts of the clamping frame 12 are threadedly connected to the bidirectional screw rod 11, and the bidirectional screw rod 11 is provided with a knob. The upper left part of the base 1 is connected to an impact hammer 13, and the upper right side of the base 1 is connected to a material box 15, and the left side of the material box 15 is connected to a nozzle 14.

[0020] When using the device, first place the base 1 in the LCD screen detection area of ​​the navigator, then place the LCD screen between the clamping frames 12, and then turn the knob to drive the bidirectional screw 11 to rotate, so that the clamping frame 12 moves under the action of the thread, so that the clamping frame 12 contacts the LCD screen and fixes the LCD screen, thereby clamping and fixing the LCD screen of the navigator to prevent the LCD screen from falling off, and then rotate the ordinary screw 70 to make the moving block move under the action of the thread, drive the heating plate 8 to move, and then start the heating plate 8 to heat the LCD screen in a simulated high temperature environment, and perform a simulated high temperature environment test on the LCD screen. When it is necessary to test the scratch resistance of the LCD screen, the motor 3 can be started to drive the cam 4 to rotate, so that the cam 4 repeatedly pushes the pad 2 to drive the pad 2 to move left and right. The LCD screen is made to contact the scraper 6, driving the scraper 6 to rotate on the fixed rod 5. The torsion spring 60 is deformed and then restored, and then the scratch resistance of the LCD screen is tested through the scraper 6. While the pad 2 moves left and right, the LCD screen is made to contact the impact hammer 13, and the LCD screen is hit by the impact hammer 13 to test the impact resistance of the LCD screen. When it is necessary to test the waterproof performance of the LCD screen, the motor 3 can be turned off, and water is sprayed out through the nozzle 14 on the material box 15 and sprayed onto the LCD screen to perform a waterproof test on the LCD screen. In this way, the navigation system LCD screen can be tested in a variety of ways to achieve functional integration, reduce equipment maintenance costs, and improve the reliability of navigation system LCD screen detection. When it is necessary to rotate the navigation system LCD screen, the rotating seat 9 can be rotated so that the positioning pin 10 is engaged with the rotating seat 9 to fix the rotating seat 9.

[0021] The above is a detailed introduction to the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for general technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A navigation device LCD screen reliability detection device, characterized in that: The utility model comprises a base (1), a backing plate (2), a hydraulic cylinder (7), a common screw rod (70) and a heating plate (8); the upper part of the base (1) is slidably connected to the backing plate (2); the left and right parts of the base (1) are both rotatably connected to the common screw rod (70); the common screw rod (70) is threadedly provided with a moving block; the moving blocks are slidably connected to the base (1); the upper sides of the moving blocks are connected to the hydraulic cylinder (7); and the heating plate (8) is connected between the telescopic ends of the hydraulic cylinder (7).

2. A navigation device LCD screen reliability detection device as claimed in claim 1, characterized in that: The invention also comprises a motor (3), a cam (4), a fixed rod (5), a scraper (6) and a torsion spring (60). The front and rear parts of the base (1) are both connected to the left and right motors (3). The output shafts of the motors (3) are both connected to the cams (4). The upper front part of the base (1) is connected to the left and right fixed rods (5). The rear parts of the fixed rods (5) are both rotatably connected to the scraper (6). The upper and lower parts of the scraper (6) are both connected to the adjacent fixed rods (5) with torsion springs (60).

3. A navigation device LCD screen reliability detection device as claimed in claim 2, characterized in that: The utility model also comprises a rotating seat (9), a positioning pin (10), a bidirectional screw rod (11) and a clamping frame (12); the middle part of the backing plate (2) is rotatably connected with the rotating seat (9); the upper sides of the front and rear parts of the rotating seat (9) are both connected with the positioning pin (10); the positioning pin (10) is clamped with the rotating seat (9); the front and rear parts of the rotating seat (9) are both slidably connected with the clamping frame (12); the left and right parts of the clamping frame (12) are both threadedly connected with the bidirectional screw rod (11).

4. A navigation device LCD screen reliability detection device as claimed in claim 3, characterized in that: The bidirectional screw rod (11) is provided with a knob.

5. A navigation device LCD screen reliability detection device as claimed in claim 4, characterized in that: It also includes an impact hammer (13), and the upper left part of the base (1) is connected to the impact hammer (13).

6. A navigation device LCD screen reliability detection device as claimed in claim 5, characterized in that: It also includes a nozzle (14) and a material box (15). The upper right side of the base (1) is connected to the material box (15), and the left side of the material box (15) is connected to the nozzle (14).

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