Universal display screen surface test equipment
By designing a sealed concealer and a universal display surface test equipment driven by multi-axis motor, the problems of cumbersome operation and low detection accuracy of traditional test equipment are solved, and high-precision and safe product inspection are achieved.
Patent Information
- Application Number
- CN202420980941.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-05-08
AI Technical Summary
During the mass production stage of 3C products, traditional testing equipment is cumbersome to operate and cannot provide a fully enclosed detection environment, resulting in low detection accuracy and single product, and deviations in screen position testing.
A universal display surface testing equipment is designed, including a closed concealed constellation, a console, PSP, color analyzer and light source motor shaft, using automated control and multi-axis motor drive to ensure detection accuracy and safety.
It realizes high-precision detection of screen brightness, chromaticity and color uniformity in a closed environment, improves the accuracy and safety of detection results, reduces manual operations, and improves the reliability of the equipment.
Smart Images

Figure CN222188770U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of 3C product testing, in particular to a universal display screen surface testing device. Background Art
[0002] During the mass production stage of 3C products, the functions of the product screen need to be tested before the product is put on the market, including the testing of the screen itself as well as the testing of the built-in camera and IR camera to ensure the quality of the product production itself. Traditional testing equipment has multiple testing areas, which requires manual inspection of the equipment multiple times, and the operation is cumbersome and complicated.
[0003] Existing testing equipment is divided into multiple steps and cannot provide a fully enclosed darkroom for the product. It is difficult to accurately detect the display accuracy of the equipment. The test products are single, and the screen position test process is not accurate enough and has deviations.
[0004] Therefore, it is necessary to provide a universal display screen surface testing device to solve the above technical problems. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides a universal display screen surface testing device, which effectively prevents damage to any one of the products from affecting the other, ensures the safety of the equipment and products, and the tested simulated products are simple and reliable, which can greatly improve the safety of personnel operation and has high reliability.
[0006] The utility model provides a universal display screen surface testing device comprising:
[0007] The device comprises a mainframe, a bottom box is provided below the mainframe, a sealed dark box is connected to the top of the bottom box, a control panel is provided on one side of the mainframe, the control panel is electrically connected to the bottom box, a PSP is electrically connected to the inside of the dark box, a color analyzer is bidirectionally driven and connected to the top of the inside of the dark box, a light source motor shaft is provided on the top surface of the dark box on one side of the PSP, a light source is connected to the side of the light source motor shaft close to the PSP, and the light source is located above the PSP.
[0008] Preferably, a sealed opening and closing door is provided on the front of the darkbox, the darkbox is transmission-connected to the sealed opening and closing door by a curved rod, a manual handle is fixed at the lower part of the front of the darkbox, the sealed opening and closing door curved rod is transmission-connected to the darkbox, and the opening and closing of the darkbox can be automatically controlled by the electric control of the host, which facilitates the operation and use of the darkbox, and the manual handle design at the lower part of the front of the sealed opening and closing door can be used for emergency opening and closing when the sealed opening and closing door cannot be opened automatically.
[0009] Preferably, a barcode scanner is provided on the side of the control panel close to the host, and the barcode scanner is mounted on the side of the host. The control panel is electrically connected to the barcode scanner. The barcode scanner on the side of the control panel is convenient for detecting product models and scanning codes.
[0010] Preferably, a slide rail is provided at the position where the dark box is connected to the PSP, a displacement drive shaft is passed through the middle of the slide rail, the bottom surface of the PSP slides on the upper part of the slide rail, and the displacement drive shaft is connected to the bottom drive of the PSP. The design of the slide rail allows the PSP to automatically move to a designated position according to detection needs, cooperating with the detection of the color analyzer and the light source.
[0011] Preferably, an XY bidirectional motor module is provided at the top of the color analyzer, the top surface of the XY bidirectional motor module is fixed to the top surface of the inner wall of the darkroom, the driving end of the XY bidirectional motor module is fixedly connected to the color analyzer, and a camera is electrically connected to one side of the bottom of the color analyzer, and the camera is located directly above the PSP. The design of the XY bidirectional motor module at the top of the color analyzer allows the color analyzer to automatically move to any position according to detection needs, and cooperate with PSP detection to allow the camera to capture any angle.
[0012] Preferably, the light source motor shaft includes a light source motor X-axis, the top of the light source motor X-axis is fixedly connected to the light source motor Z-axis, the end of the light source motor Z-axis close to the PSP is fixedly connected to the light source, and the bottom of one side of the light source is connected to a pressure sensor. The light source motor shaft adopts an X-axis and Z-axis design, which can allow the light source connected to one side of the light source motor shaft to have a two-way movement function, so that the light source can be moved to any position, and in conjunction with the detection operation of the PSP, the pressure sensor at the bottom of one side of the light source can detect contact with the PSP.
[0013] Compared with the related art, the universal display screen surface testing device provided by the utility model has the following beneficial effects:
[0014] 1. The utility model provides a completely enclosed space for equipment detection through the design of a dark box to improve the detection accuracy. In the completely enclosed dark room, a color analyzer is provided to detect the screen brightness, chromaticity and color uniformity, with higher test accuracy. During the test, the color analyzer and the light source are driven by a multi-axis multi-directional motor, which can detect from a more precise angle and obtain more accurate test results. A camera is added on the top to detect the accuracy of different product test positions. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a universal display screen surface testing device provided by the utility model;
[0016] Figure 2 for Figure 1The structural schematic diagram of the side shown;
[0017] Figure 3 for Figure 1 The enlarged schematic diagram of the structure of the dark box inside is shown;
[0018] Figure 4 for Figure 3 The structure of the PSP position is shown in the enlarged schematic diagram;
[0019] Figure 5 for Figure 4 The enlarged structural diagram of the light source motor shaft position is shown.
[0020] Numbers in the figure: 1. Main unit; 2. Base box; 3. Dark box; 4. Control panel; 5. PSP; 6. Color analyzer; 7. Light source motor shaft; 8. Light source; 301. Sealed opening and closing door; 302. Manual handle; 401. Barcode scanner; 501. Slide rail; 502. Displacement drive shaft; 601. XY bidirectional motor module; 602. Camera; 701. Light source motor X-axis; 702. Light source motor Z-axis; 801. Pressure sensor. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0022] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.
[0023] Please see attached Figure 1-Figure 5 , the utility model embodiment provides a universal display screen surface testing device, the universal display screen surface testing device comprising:
[0024] The host 1 includes a bottom box 2 below the host 1. The bottom box 2 is provided with a host 1 inside for programming logic controller, which performs digital operation control on the host 1 and loads the control instructions into the memory at any time for storage and execution. The top surface of the bottom box 2 is connected with a dark box 3. The internal sealing design of the dark box 3 provides a closed space for product detection, eliminates external light sources 8, and improves the accuracy of product detection. A control console 4 is provided on one side of the host 1. The internal condition of the dark box 3 can be observed through the control console 4, and the host 1 can be controlled to perform detection work. The top surface of the dark box 3 is driven and connected with a PSP5. The top of the inner wall of the dark box 3 is provided with a color analyzer 6. The color analyzer 6 can shoot the inside of the dark box 3 to detect product quality. At the same time, the color analyzer 6 slides on the top of the inner wall of the dark box 3 in multiple directions, and can shoot and detect products at various angles. The inner top surface of the dark box 3 is located on one side of the PSP5 and is provided with a light source motor shaft 7. The light source motor shaft 7 has a telescopic drive in the X-axis direction and the Z-axis direction, which can allow the light source 8 connected to the output end of the light source motor shaft 7 to move to various positions of the PSP5 to complete the detection of any position and angle of the product.
[0025] The front side of the dark box 3 is connected to a sealed opening and closing door 301 by a curved rod transmission, so that when the product is placed inside the dark box 3, it can be opened and closed by mechanical automatic drive, reducing manual operation, improving detection efficiency and enhancing airtightness. The manual handle 302 designed at the bottom of the front side of the sealed opening and closing door 301 can be manually operated when the sealed opening and closing door 301 cannot be opened and closed automatically.
[0026] The barcode scanner 401 electrically connected to the side of the control console 4 close to the host 1 can facilitate the control console to identify the product model and improve the equipment identification efficiency.
[0027] The design of the slide rail 501 below the PSP5 enables the PSP5 to move in both directions. When inspecting a product, the light source 8 can touch and inspect any position of the product through the two-way movement of the product.
[0028] The top of the color analyzer 6 is connected to the top surface of the inner wall of the dark box 3 through the XY bidirectional motor module 601, so that the color analyzer 6 has the function of multi-directional movement, and can detect and operate at any position inside the dark box 3, thereby increasing the accuracy of the detection result.
[0029] The light source motor shaft 7 adopts the combination of the light source motor X-axis and Z-axis, so that the light source motor shaft 7 has lateral and vertical drive, so that the light source 8 can contact any position of the PSP5 and complete the detection of any position.
[0030] It should be noted that the light source 8 refers to light with different wavelengths stored inside, and can emit visible light with different color temperatures according to test requirements.
[0031] Usage process:
[0032] 1. Place the product in the test fixture;
[0033] 2. The scanner scans the code and transmits the signal to the PLC to identify the product category;
[0034] 3. PLC controls the Tray motor to move to the corresponding position;
[0035] 4. PLC controls the movement of the light source (X-axis) motor;
[0036] 5. PLC controls the movement of the light source (Z-axis) motor and calculates the motor stop position through the pressure sensor;
[0037] 6. PLC controls the movement of the color analyzer (X axis) & color analyzer (Y axis) motor;
[0038] 7. PLC triggers CCD camera to take pictures to confirm whether the position is accurate;
[0039] 8. Control the PLC to fine-tune the motor position according to the feedback information from the CCD camera.
[0040] 9. PLC controls the shielding box to close the door and then start the test;
[0041] 10. The test program starts to test the product screen function.
[0042] It should be noted that the PSP is placed on the upper part of the Tray, and the Tray slides on the inner side of the slide rail.
[0043] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.
[0044] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A universal display screen surface testing device, characterized in that: The invention comprises a main machine (1), wherein the main machine (1) comprises a bottom box (2) below, wherein the top of the bottom box (2) is connected to a sealed dark box (3), wherein a control panel (4) is arranged on one side of the main machine (1), wherein the control panel (4) is electrically connected to the bottom box (2), wherein the inner side of the dark box (3) is electrically connected to a PSP (5), wherein the inner side top of the dark box (3) is bidirectionally driven and connected to a color analyzer (6), wherein a light source motor shaft (7) is arranged on the top surface of the dark box (3) on one side of the PSP (5), wherein a light source (8) is connected to the side of the light source motor shaft (7) close to the PSP (5), and wherein the light source (8) is located above the PSP (5).
2. A universal display screen surface testing device according to claim 1, characterized in that: The front of the dark box (3) is provided with a sealed opening and closing door (301), the dark box (3) is connected to the sealed opening and closing door (301) by a crank rod transmission, and a manual handle (302) is fixed below the front of the dark box (3).
3. A universal display screen surface testing device according to claim 1, characterized in that: A barcode scanning gun (401) is provided on a side of the control panel (4) close to the host (1); the barcode scanning gun (401) is engaged and hung on the side of the host (1); and the control panel (4) is electrically connected to the barcode scanning gun (401).
4. A universal display screen surface testing device according to claim 1, characterized in that: A slide rail (501) is provided at the position where the dark box (3) is connected to the PSP (5), a displacement drive shaft (502) is passed through the middle of the slide rail (501), the bottom surface of the PSP (5) slides on the upper part of the slide rail (501), and the displacement drive shaft (502) is drivingly connected to the bottom of the PSP (5).
5. The universal display screen surface testing device according to claim 1, characterized in that: The top of the color analyzer (6) is provided with an XY bidirectional motor module (601), the top surface of the XY bidirectional motor module (601) is fixed to the top surface of the inner wall of the dark box (3), the driving end of the XY bidirectional motor module (601) is fixedly connected to the color analyzer (6), and one side of the bottom of the color analyzer (6) is electrically connected to a camera (602), and the camera (602) is located directly above the PSP (5).
6. The universal display screen surface testing device according to claim 1, characterized in that: The light source motor shaft (7) comprises a light source motor X-axis (701), the top of the light source motor X-axis (701) is fixedly connected to a light source motor Z-axis (702), one end of the light source motor Z-axis (702) close to the PSP (5) is fixedly connected to a light source (8), and a pressure sensor (801) is connected to the bottom of one side of the light source (8).
