Vehicle-mounted display screen lens falling detection device

Abstract

The utility model belongs to the technical field of vehicle-mounted display screen detection, and particularly relates to a vehicle-mounted display screen lens falling detection device which comprises a detection frame, and a balance plate is fixedly arranged above the detection frame. According to the vehicle-mounted display screen lens falling-off detection device, pressure values of the pressure sensors located at different positions of the vehicle-mounted display screen lens are compared, if the pressure values are the same, the accuracy of the connection between the vehicle-mounted display screen lens and the vehicle-mounted display screen lens frame in the horizontal direction is indicated, and the falling-off risk does not exist, otherwise, if the value difference is too large, the falling-off risk does not exist. If the vehicle-mounted display screen lens and the vehicle-mounted display screen lens frame are connected, the connection between the vehicle-mounted display screen lens and the vehicle-mounted display screen lens frame deviates, after detection is completed, the vehicle-mounted display screen to be detected is turned over and then placed on the detection frame again to be detected again, in this way, anti-falling omnibearing detection of the vehicle-mounted display screen lens can be achieved, and the detection result can be visually reflected in a numerical value mode; and the detection mode is simple and high in precision.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted display screen detection, in particular to a vehicle-mounted display screen lens detachment detection device. Background Art

[0002] The car display screen is a mobile digital media product used in cars. It displays signal images through the screen, and can control the audio, lighting and other entertainment equipment in the car through the car display screen. Sometimes it also has the functions of navigation and video playback. The screen lens part of the current car display screen is mostly rectangular in structure. During the production and processing of the car display screen, the car display screen lens needs to be tested for detachment to ensure its quality after leaving the factory and avoid the problem of loose connection between the display screen lens and the frame.

[0003] The patent with application publication number CN117191359A discloses a vehicle-mounted display screen lens detachment detection device, comprising a base, the top wall of the base is fixedly connected to a back plate, the side wall of the back plate is fixedly connected to a top plate, and the bottom wall of the top plate is symmetrically fixedly connected to a limit frame. The present invention can perform multiple detachment detections on the four sides of the rectangular vehicle-mounted display screen lens by setting structures such as rectangular blocks, cross bars and squares, and the detection coverage is wider, which is more accurate than the detection method of pulling the lens as a whole. The above patent detects the connection stability of the lens and the frame by the principle of sucking the lens with a suction cup, but the suction cup itself has a certain adsorption instability, and the suction cup will have suction. When each suction cup is stretched after adsorption, due to the different air content inside the suction cup, the elastic effect it has itself will make the suction cup stretched to different lengths, which will cause the detection of the vehicle-mounted display screen lens and the frame at some positions to be inaccurate, and the slight separation of the vehicle-mounted display screen lens and the frame cannot be detected, so this method has certain limitations. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model provides a vehicle-mounted display screen lens detachment detection device, which solves the current problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vehicle-mounted display screen lens detachment detection device, comprising a detection frame, a balance board is fixedly installed on the top of the detection frame, a fixed end of an electric telescopic rod is fixedly installed on the bottom of the balance board, a detection plate is fixedly installed on the telescopic end of the electric telescopic rod, a detection assembly is fixedly installed on the bottom of the detection plate, the detection assembly comprises a fixed seat fixedly installed on the bottom of the detection plate, an extension rod is slidably inserted at the bottom of the fixed seat, a flat plate is fixedly installed on the bottom of the extension rod, a pressure sensor is fixedly installed on the inner side of the fixed seat, there are multiple fixed seats evenly distributed at the bottom of the detection plate, and the vehicle-mounted display screen to be detected is placed on the top of the detection frame.

[0006] As a preferred technical solution of the utility model, vertical poles are fixedly installed at the four corners of the top of the detection frame, and top plates are fixedly installed at the top ends of the vertical poles on the same side, and the balance plate is fixedly installed between the two top plates.

[0007] As a preferred technical solution of the utility model, the vehicle display screen to be tested includes a vehicle display screen frame placed horizontally on the top of the testing frame and a vehicle display screen lens installed on the inner side of the vehicle display screen frame, and the testing plate is located directly above the vehicle display screen lens.

[0008] As a preferred technical solution of the utility model, the vehicle display screen to be tested includes a vehicle display screen frame placed horizontally on the top of the testing frame and a vehicle display screen lens installed on the inner side of the vehicle display screen frame, and the testing plate is located directly above the vehicle display screen lens.

[0009] As a preferred technical solution of the utility model, there are multiple flat plates and the bottom surfaces of the flat plates are parallel to the top surface of the vehicle-mounted display screen lens.

[0010] As a preferred technical solution of the utility model, the fixed ends of the driven telescopic rod are fixedly installed on the bottom of the balance board and on both sides of the electric telescopic rod. The telescopic end of the driven telescopic rod is fixedly connected to the top of the detection plate, and the surface of the telescopic end of the driven telescopic rod is engraved with scale lines.

[0011] Compared with the prior art, the utility model provides a vehicle-mounted display screen lens detachment detection device, which has the following beneficial effects:

[0012] 1. A vehicle display screen lens detachment detection device compares the pressure values ​​of pressure sensors located at different positions of the vehicle display screen lens. If the pressure values ​​are the same, it indicates that the horizontal connection between the vehicle display screen lens and the vehicle display screen frame is accurate and there is no risk of detachment. Conversely, if the values ​​differ too much, it indicates that there is an offset in the connection between the vehicle display screen lens and the vehicle display screen frame. After the detection is completed, the vehicle display screen to be detected is turned over and placed on the detection frame again for detection. In this way, a full-range detection of the vehicle display screen lens against detachment can be achieved, and the detection results can be intuitively reflected in numerical form. The detection method is simple and has high accuracy.

[0013] 2. This vehicle display screen lens detachment detection device can obtain the extension distance of the electric telescopic rod by observing the scale on the scale line at the connection between the telescopic end and the fixed end of the electric telescopic rod. In this way, it can be determined whether the vehicle display screen lens shakes or moves down as a whole in the vehicle display screen frame during the detection process. In this way, the tightness of the connection between the vehicle display screen lens and the vehicle display screen frame can be detected. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the bottom structure distribution of the detection board of the utility model;

[0016] Figure 3 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0017] Figure 4 It is a schematic cross-sectional view of the internal structure of the fixing seat of the utility model.

[0018] In the figure: 1. detection frame; 11. vertical pole; 12. top plate; 13. balance board; 2. electric telescopic rod; 3. detection plate; 31. fixing seat; 32. extension rod; 33. flat plate; 34. pressure sensor; 35. inner groove; 36. connecting block; 4. vehicle display screen frame; 5. vehicle display screen lens; 6. driven telescopic rod; 61. scale line. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0020] See also Figure 1-4 In this embodiment: a vehicle-mounted display screen lens detachment detection device comprises a detection frame 1, a balance plate 13 is fixedly installed on the top of the detection frame 1, a fixed end of an electric telescopic rod 2 is fixedly installed on the bottom of the balance plate 13, a detection plate 3 is fixedly installed on the telescopic end of the electric telescopic rod 2, a detection assembly is fixedly installed on the bottom of the detection plate 3, the detection assembly comprises a fixed seat 31 fixedly installed on the bottom of the detection plate 3, an extension rod 32 is slidably inserted at the bottom of the fixed seat 31, a flat plate 33 is fixedly installed at the bottom of the extension rod 32, a pressure sensor 34 is fixedly installed on the inner side of the fixed seat 31, a plurality of fixed seats 31 are evenly distributed at the bottom of the detection plate 3, a vehicle-mounted display screen to be detected is placed on the top of the detection frame 1, a controller is installed on the outer side of the detection frame 1, the controller can control the extension and retraction of the electric telescopic rod 2, and can receive the pressure value of the pressure sensor 34, and the electric telescopic rod 2 is hydraulically driven and controlled;

[0021] During the inspection, the vehicle display screen to be inspected is placed on the inspection frame 1, and the electric telescopic rod 2 is started to drive the inspection plate 3 to move downward, so that the flat plate 33 approaches and contacts the vehicle display screen lens 5. After the flat plate 33 contacts the vehicle display screen lens 5, the electric telescopic rod 2 is controlled to continue to move downward, so that the pressure sensor 34 located in the fixing seat 31 will be subjected to pressure and transmitted to the controller. The pressure values ​​of the pressure sensors 34 located at different positions of the vehicle display screen lens 5 are compared. If they are the same, it indicates that the horizontal square connection between the vehicle display screen lens 5 and the vehicle display screen frame 4 is accurate and there is no risk of falling off. On the contrary, if the numerical value difference is too large, it indicates that there is an offset in the connection between the vehicle display screen lens 5 and the vehicle display screen frame 4. After the inspection is completed, the vehicle display screen to be inspected is turned over and placed on the inspection frame 1 again for inspection. In this way, a full-scale anti-falling inspection of the vehicle display screen lens 5 can be achieved, and the inspection result can be intuitively reflected in a numerical way. The inspection method is simple and has high accuracy.

[0022] As a preferred embodiment, Figure 1 As shown, vertical poles 11 are fixedly installed at the four corners of the top of the detection frame 1, and top plates 12 are fixedly installed at the tops of the vertical poles 11 on the same side. A balance plate 13 is fixedly installed between the two top plates 12. Through the structural support of the vertical poles 11 and the top plate 12, the balance plate 13 maintains a parallel effect with the detection frame 1, thereby ensuring the accuracy of the detection.

[0023] As a preferred embodiment, Figure 1 As shown, the vehicle display screen to be tested includes a vehicle display screen frame 4 placed horizontally on the top of the testing frame 1 and a vehicle display screen lens 5 installed on the inner side of the vehicle display screen frame. The testing board 3 is located directly above the vehicle display screen lens 5 to ensure that the testing board 3 and the vehicle display screen lens 5 are accurately positioned before testing, thereby ensuring that the test can proceed smoothly. Example

[0024] See also Figure 1-4 In this embodiment: an inner groove 35 is provided at the bottom of the fixing seat 31, and a connecting block 36 is slidably installed on the inner side of the inner groove 35. The bottom of the connecting block 36 is fixedly connected to the extension rod 32, and the top of the connecting block 36 contacts the pressure sensor 34 fixedly installed on the inner top of the inner groove 35. After the flat plate 33 contacts the surface of the vehicle display screen lens 5 and continues to move downward, the extrusion force between the flat plate 33 and the vehicle display screen lens 5 will react to the connecting block 36 and squeeze the pressure sensor 34. The connecting block 36 can improve the stability of the extension rod 32 and the flat plate 33 during movement.

[0025] As a preferred embodiment, Figure 2 As shown, there are multiple flat plates 33 and the bottom surfaces of the flat plates 33 are parallel to the top surface of the vehicle display screen lens 5. Multiple flat plates 33 contact different positions of the vehicle display screen lens 5 at the same time, and can simultaneously perform multi-directional detection of the vehicle display screen lens 5 and generate pressure values ​​for comparison, thereby improving detection accuracy.

[0026] As a preferred embodiment, Figure 1 and Figure 3 As shown, the fixed ends of the driven telescopic rod 6 are fixedly installed on the bottom of the balance board 13 and on both sides of the electric telescopic rod 2, and the telescopic ends of the driven telescopic rod 6 are fixedly connected to the top of the detection plate 3. The telescopic end surface of the driven telescopic rod 6 is engraved with scale lines 61. After the flat plate 33 contacts the surface of the vehicle-mounted display screen lens 5, the scale on the scale line 61 at the connection between the telescopic end and the fixed end of the electric telescopic rod 2 is observed to obtain the extension distance of the electric telescopic rod 2. In this way, it can be determined whether the vehicle-mounted display screen lens 5 shakes or moves down as a whole in the vehicle-mounted display screen frame 4 during the detection process. In this way, the tightness of the connection between the vehicle-mounted display screen lens 5 and the vehicle-mounted display screen frame 4 can be detected.

[0027] The working principle and use process of this utility model:

[0028] The operator places the vehicle display screen to be tested on the testing frame 1, starts the electric telescopic rod 2 to drive the testing plate 3 to move downward, so that the flat plate 33 approaches and contacts the vehicle display screen lens 5. After the flat plate 33 contacts the vehicle display screen lens 5, the electric telescopic rod 2 is controlled to continue to move downward, so that the pressure sensor 34 located in the fixing seat 31 is subjected to pressure, which is transmitted to the controller, and the pressure values ​​of the pressure sensors 34 located at different positions of the vehicle display screen lens 5 are compared. After the detection is completed, the vehicle display screen to be tested is turned over and placed on the testing frame 1 again for detection. In this way, the anti-falling all-round detection of the vehicle display screen lens 5 can be achieved, and the detection results can be intuitively reflected in the form of numerical values. The detection method is simple and has high accuracy.

[0029] After the flat plate 33 contacts the surface of the vehicle display screen lens 5, the scale on the scale line 61 at the connection between the telescopic end and the fixed end of the electric telescopic rod 2 is observed to obtain the extension distance of the electric telescopic rod 2. In this way, it can be determined whether the vehicle display screen lens 5 shakes or moves down as a whole in the vehicle display screen frame 4 during the detection process. In this way, the tightness of the connection between the vehicle display screen lens 5 and the vehicle display screen frame 4 can be detected.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A vehicle-mounted display screen lens detachment detection device, comprising a detection frame (1), characterized in that: A balancing board (13) is fixedly mounted on the top of the detection frame (1), a fixed end of an electric telescopic rod (2) is fixedly mounted on the bottom of the balancing board (13), a detection board (3) is fixedly mounted on the telescopic end of the electric telescopic rod (2), a detection assembly is fixedly mounted on the bottom of the detection board (3), the detection assembly comprises a fixing seat (31) fixedly mounted on the bottom of the detection board (3), an extension rod (32) is slidably inserted at the bottom of the fixing seat (31), a flat plate (33) is fixedly mounted on the bottom of the extension rod (32), a pressure sensor (34) is fixedly mounted on the inner side of the fixing seat (31), a plurality of fixing seats (31) are evenly distributed at the bottom of the detection board (3), and a vehicle-mounted display screen to be detected is placed on the top of the detection frame (1).

2. The vehicle-mounted display screen lens detachment detection device according to claim 1, characterized in that: Vertical poles (11) are fixedly mounted at the four corners of the top of the detection frame (1), top plates (12) are fixedly mounted at the top ends of the vertical poles (11) on the same side, and the balance plate (13) is fixedly mounted between the two top plates (12).

3. The vehicle-mounted display screen lens detachment detection device according to claim 1, characterized in that: The vehicle display screen to be tested comprises a vehicle display screen frame (4) horizontally placed on the top of the testing frame (1) and a vehicle display screen lens (5) mounted on the inner side of the vehicle display screen frame, and the testing board (3) is located directly above the vehicle display screen lens (5).

4. The vehicle-mounted display screen lens detachment detection device according to claim 1, characterized in that: An inner groove (35) is formed at the bottom of the fixing seat (31), a connecting block (36) is slidably mounted inside the inner groove (35), the bottom of the connecting block (36) is fixedly connected to the extension rod (32), and the top of the connecting block (36) is in contact with a pressure sensor (34) fixedly mounted on the top of the inner side of the inner groove (35).

5. The vehicle-mounted display screen lens detachment detection device according to claim 3, characterized in that: There are a plurality of flat plates (33), and the bottom surfaces of the flat plates (33) are all parallel to the top surface of the vehicle-mounted display screen lens (5).

6. The vehicle-mounted display screen lens detachment detection device according to claim 1, characterized in that: The fixed ends of the driven telescopic rod (6) are fixedly mounted at the bottom of the balancing plate (13) and on both sides of the electric telescopic rod (2), respectively; the telescopic end of the driven telescopic rod (6) is fixedly connected to the top of the detection plate (3); and the surface of the telescopic end of the driven telescopic rod (6) is engraved with scale lines (61).

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