Variable-size edge detection device and display detection system

Abstract

The utility model relates to a variable-size edge detection device which is characterized by comprising a supporting mechanism which comprises a first driving assembly, a movable platform, a second driving assembly and a supporting frame, the movable platform is connected with the output end of the first driving assembly so as to move in the first direction, and the second driving assembly is connected with the supporting frame; the second driving assemblies are arranged on the movable platform. The supporting frames are connected to the output ends of the second driving assemblies correspondingly so as to move relatively in the second direction. And the detection mechanism comprises a bracket, a detection piece and a third driving assembly. Through the arrangement, the edge detection device can comprehensively and accurately detect the edge of the display at the optimal position under the condition that the sizes of the screens of the display are different.

Description

Technical Field

[0001] This utility model relates to the field of display inspection, and in particular to a variable-size edge detection device and display inspection system. Background Technology

[0002] With the rapid development of display technology, the application fields of monitors are constantly expanding, covering multiple areas such as computers, televisions, mobile phones, and automotive equipment. At the same time, the market's quality requirements for monitors are also increasing, demanding not only clear and accurate image display but also strict standards for their appearance and edge quality. Therefore, developing efficient and accurate monitor testing systems has become a crucial step in the monitor manufacturing process.

[0003] While the display industry has some common size standards, in actual production, due to differences in design philosophies and market demands among different manufacturers, many non-standard sized displays still exist. The emergence of these non-standard sized displays further exacerbates the complexity of size adaptation for testing equipment. The lack of a unified size standard makes it difficult to standardize and universally design testing equipment. Manufacturers need to design specific testing solutions or equipment for each new size or shape, increasing testing costs and development cycles. Utility Model Content

[0004] Therefore, the technical problem to be solved by this utility model is to overcome the problem that multiple detection devices are required for detecting displays of different sizes in the prior art, thereby providing a variable-size edge detection device.

[0005] To solve the above-mentioned technical problems, this utility model provides a variable-size edge detection device, comprising:

[0006] A support mechanism includes: a first drive component, a movable platform, a second drive component, and a support frame. The movable platform is connected to the output end of the first drive component to move along a first direction. There are at least two sets of second drive components disposed on the movable platform. There are at least two support frames, which are respectively connected to the output ends of the second drive components to move relative to each other along a second direction.

[0007] The testing mechanism includes: a support, testing components, and a third driving assembly. The support is respectively disposed on both sides of the first driving assembly. Each support is provided with at least two testing components. The third driving assembly is disposed on the support and is used to drive each testing component to move in a third direction.

[0008] In one embodiment of the present invention, a substrate is also included, and both the detection mechanism and the support mechanism are detachably disposed on the substrate.

[0009] In one embodiment of the present invention, each of the brackets includes a first sub-frame and a second sub-frame, wherein the second sub-frame is movably connected to the first sub-frame along a second direction.

[0010] In one embodiment of the present invention, the first subframe is provided with a fourth driving component along the second direction, and the second subframe is connected to the output end of the first subframe and can be driven to move along the second direction.

[0011] In one embodiment of this utility model, the detection component includes a detection camera and a line scan detector, with the detection ends of at least two detection cameras and line scan detectors on each bracket arranged opposite to each other.

[0012] In one embodiment of the present invention, the support frame includes an extension frame and a support plate, the extension frame extends along a second direction, and the support plate is connected to the end of the extension frame.

[0013] In one embodiment of the present invention, the support plate is provided with anti-slip elements embedded on at least the surface of the product to be tested.

[0014] In one embodiment of the present invention, a first sliding pair for moving along a second direction is provided between the extension frame and the movable platform.

[0015] In one embodiment of the present invention, the output end of the first driving component is further connected to a rotary driving component, and the movable platform is connected to the output end of the rotary driving component.

[0016] This invention also provides a display detection system, including the aforementioned variable-size edge detection device.

[0017] The above-mentioned technical solution of this utility model has the following advantages compared with the prior art:

[0018] This utility model discloses a variable-size edge detection device. A first driving component in the support mechanism moves the movable platform along a first direction, and a second driving component causes the support frame to move relative to it along a second direction. This adapts to displays of various sizes, from small smart wearable devices to large television screens. It avoids the high costs associated with purchasing multiple dedicated detection devices for different screen sizes, while also reducing the complexity and cost of equipment maintenance. Optimized detection layout: The unique design of the support frame in the detection mechanism, such as the movable connection between the first and second sub-frames along the second direction, combined with a fourth driving component, allows for precise adjustment. This enables flexible adjustment of the position and layout of the detection components (detection camera and line scan detector) according to different screen sizes. This ensures that the edge detection device can perform comprehensive and accurate detection of the screen edges from the optimal position, regardless of the screen size. Attached Figure Description

[0019] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0020] Figure 1 This is a schematic diagram of the structure of the detection device of this utility model;

[0021] Figure 2 This is a schematic diagram of the support structure of this utility model;

[0022] Figure 3 This is a structural schematic diagram of the support structure of this utility model from another angle;

[0023] Figure 4 This is a schematic diagram of the structure of the testing mechanism of this utility model.

[0024] Explanation of reference numerals in the accompanying drawings: 1. Base plate; 2. First drive assembly; 3. Rotation drive assembly; 4. Movable platform; 5. Detection mechanism; 51. Detection camera; 52. Line scan detector; 53. First sub-frame; 54. Second sub-frame; 55. Fourth drive assembly; 56. Third drive assembly; 6. Support frame; 61. Extension frame; 62. Support plate; 63. Anti-slip component; 7. Second drive assembly; 8. First sliding pair. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention.

[0026] Example

[0027] by Figure 1 Based on this, the X-axis direction in this embodiment is the first direction, the Y-axis direction is the second direction, and the Z-axis direction is the third direction.

[0028] Reference Figures 1-4 As shown, the present invention provides a variable-size edge detection device, comprising:

[0029] The support mechanism includes: a first drive component 2, a movable platform 4, a second drive component 7, and a support frame 6. The movable platform 4 is connected to the output end of the first drive component 2 to move along a first direction. There are at least two sets of the second drive components 7 and they are disposed on the movable platform 4. There are at least two support frames 6 and they are respectively connected to the output ends of the second drive components 7 to move relative to each other along a second direction.

[0030] The detection mechanism 5 includes: a bracket, detection components, and a third drive assembly 56. The brackets are respectively disposed on both sides of the first drive assembly 2. Each bracket is provided with at least two detection components. The third drive assembly 56 is disposed on the bracket and is used to drive each detection component to move in a third direction.

[0031] The variable-size edge detection device of this utility model uses a first driving component 2 to move a movable platform 4 along a first direction, and a support frame 6 to support and place the product to be detected, such as a display. A second driving component 7 moves the two support frames 6 closer or further apart along a second direction, so that the edge detection device can carry products of different sizes. The detection element detects both sides of the product edge along a third direction, and the third driving component 56 adjusts the distance between the detection element and the product along the third direction, thereby realizing adaptive detection of products with different sizes along the first, second, and third directions.

[0032] Reference Figures 1-3 As shown, the device also includes a base plate 1, on which both the detection mechanism 5 and the support mechanism are detachably mounted. The base plate 1 is made of a high-strength metal material, such as aluminum alloy sheet, to ensure that it does not deform during the support of the entire device and the detection process. Various types of mounting interfaces are designed on the base plate 1 according to the layout of the support mechanism and the detection mechanism 5. Corresponding T-slots or threaded holes are provided for the support mechanism and the detection mechanism 5.

[0033] Reference Figure 3 As shown, each of the aforementioned supports includes a first sub-frame 53 and a second sub-frame 54, with the second sub-frame 54 movably connected to the first sub-frame 53 along a second direction. When products of different sizes need to be inspected, it is first determined whether the support structure needs to be adjusted to better inspect the product edges. If adjustment is required, the second sub-frame 54 is moved along the slide rail on the first sub-frame 53 in the second direction. This allows the inspection piece to be aligned with the area to be inspected at the product edge. After the support structure adjustment is completed, the inspection piece is in a suitable position for the current product inspection, and product edge inspection can be performed.

[0034] The first subframe 53 is equipped with a fourth drive assembly 55 along the second direction. The second subframe 54 is connected to the output end of the first subframe 53 and can be driven to move along the second direction. The fourth drive assembly 55 is a small linear module, which is arranged along the second direction (a horizontal direction related to the product width) on the longer side of the first subframe 53. This achieves automated drive, which, compared to manual adjustment, not only improves the accuracy and efficiency of adjustment but also allows operators to more easily and quickly adjust the layout of the detection components in the detection mechanism 5 according to different product sizes, thereby optimizing the detection effect on product edges to meet diverse detection needs. A second sliding pair is provided between the first subframe 53 and the second subframe 54.

[0035] Reference Figure 4 As shown, the detection components include a detection camera 51 and a line scan detector 52, with at least two detection cameras 51 and line scan detectors 52 on each support arranged opposite each other. After the detection camera 51 is powered on, it captures an image of the product edge according to preset parameters (such as exposure time and gain). The camera lens focuses the light from the product edge onto the image sensor, which converts the light signal into an electrical signal. After digitization by the internal image processing circuit, digital image data is generated. This data is transmitted in real-time to the data processing device via a high-speed data transmission line. The image processing software in the data processing device analyzes the image data, for example, by using edge detection algorithms to identify the contour and shape of the product edge, and to detect defects such as edge deformation and breakage. After the line scan detector 52 is activated, its internal light source emits a uniform beam of light, illuminating the product edge. The line scan image sensor collects the information reflected back from the light. As the product moves on the support mechanism (or the detection mechanism 5 moves relative to the product), the line scan image sensor scans the product edge line by line, acquiring linear data of the product edge. This data includes dimensional information such as the position, width, and height of the product edges, as well as information on the presence of defects such as scratches and cracks. The line scan detector 52 transmits the collected data to the data processing equipment in real time via a dedicated data transmission line.

[0036] Reference Figure 3 As shown, the support frame 6 includes an extension frame 61 and a support plate 62. The extension frame 61 extends along a second direction, increasing the maximum dimension of the support frame 6 in that direction. The support plate 62 is connected to the end of the extension frame 61, providing a direct support plane for the product. The support plate 62 is fixed to the end of the extension frame 61 by welding or bolting. If welding is used, full welding is employed to ensure a strong connection capable of withstanding the weight of the product and vibrations that may occur during testing. If bolting is used, corresponding mounting holes are provided at the ends of both the support plate 62 and the extension frame 61, and high-strength bolts are used for tightening and fixing.

[0037] The support plate 62 has at least one anti-slip element 63 embedded in the surface supporting the product to be tested. The anti-slip element 63 is made of a high-friction rubber material, such as nitrile rubber. This rubber has good wear resistance, oil resistance, and a high coefficient of friction, providing reliable anti-slip performance under various environmental conditions. It ensures sufficient elasticity to adapt to minor unevenness on the product surface, while also possessing a certain degree of hardness to maintain shape stability and avoid affecting the anti-slip effect due to excessive deformation. On the surface of the support plate 62 supporting the product to be tested, multiple circular, oblong, or rectangular grooves adapted to the size of the anti-slip element 63 are evenly distributed according to the common placement position and shape of the product. The depth of the groove is slightly less than the height of the anti-slip element 63, ensuring that the top of the anti-slip element 63 still protrudes from the surface of the support plate 62 after it is embedded. The anti-slip element 63 is embedded into the groove by an interference fit, that is, the diameter of the anti-slip element 63 is slightly larger than the inner diameter of the groove. During installation, a certain pressure needs to be applied to press it into the groove to ensure a firm connection and prevent it from falling off during use.

[0038] A first sliding joint 8 for movement along a second direction is provided between the extension frame 61 and the movable platform 4. The first sliding joint 8 mainly consists of a guide rail and a slider. Since the extension frame 61 is connected to the movable platform 4 through the first sliding joint 8 formed by the slider and the guide rail, under the action of driving force, the slider of the extension frame 61 begins to slide on the guide rail, thereby enabling the extension frame 61 to move smoothly along the second direction. This ensures the accurate movement trajectory of the extension frame 61, allowing the distance between the two support frames 6 to be precisely adjusted to a position suitable for the product width.

[0039] Reference Figure 2 As shown, the output end of the first drive component 2 is also connected to a rotary drive component 3, and the movable platform 4 is connected to the output end of the rotary drive component 3. During the product edge detection process, after the product is placed on the movable platform 4 and the support mechanism and detection mechanism 5 are initially adjusted, if it is necessary to detect the product edge from different angles, the operator can start the rotary drive component 3 through the control system, thereby causing the product placed on the movable platform 4 to rotate together.

[0040] Example 2: This example discloses a variable-size display detection system, including a variable-size edge detection device as described in Example 1.

[0041] The display inspection system disclosed in this embodiment is used to detect hardware defects and image display at the edges of a display.

[0042] It also includes an automatic loading and unloading module consisting of a robotic arm or conveyor belt. Before the testing process begins, the robotic arm or conveyor belt automatically transports the monitor to be tested onto the support plate 62 of the support mechanism. After placement, it automatically adjusts the monitor's position to ensure its edges accurately align with the testing mechanism 5. After testing, the automatic loading and unloading module then transports the monitor to a designated location, such as the qualified or unqualified product area, automating the testing process, improving testing efficiency, and reducing errors that may be caused by manual intervention. A remote monitoring and diagnostic module is also included, utilizing network communication technology to allow operators to remotely access the testing system via mobile phones, computers, and other terminals. Operators can view video footage, testing data, and results of the testing process in real time, and remotely control the start, stop, and parameter adjustments of the testing system. When the testing system malfunctions or malfunctions, the remote monitoring and diagnostic module automatically sends alarm information to the operator and provides a detailed fault diagnosis report. Technicians can remotely connect to troubleshoot and maintain the testing system, improving system operation and maintenance efficiency and reducing maintenance costs.

[0043] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A variable-size edge detection device, characterized in that, include: A support mechanism includes: a first drive component, a movable platform, a second drive component, and a support frame. The movable platform is connected to the output end of the first drive component to move along a first direction. There are at least two sets of second drive components disposed on the movable platform. There are at least two support frames, which are respectively connected to the output ends of the second drive components to move relative to each other along a second direction. The testing mechanism includes: a support, testing components, and a third driving assembly. The support is respectively disposed on both sides of the first driving assembly. Each support is provided with at least two testing components. The third driving assembly is disposed on the support and is used to drive each testing component to move in a third direction.

2. The variable-size edge detection device according to claim 1, characterized in that: It also includes a substrate, and both the detection mechanism and the support mechanism are detachably mounted on the substrate.

3. The variable-size edge detection device according to claim 1, characterized in that: Each of the aforementioned supports includes a first subframe and a second subframe, the second subframe being movably connected to the first subframe along a second direction.

4. The variable-size edge detection device according to claim 3, characterized in that: The first subframe is provided with a fourth drive component along the second direction, and the second subframe is connected to the output end of the first subframe and can be driven to move along the second direction.

5. The variable-size edge detection device according to claim 1, characterized in that: The detection components include a detection camera and a line scan detector, with the detection ends of at least two detection cameras and line scan detectors on each bracket arranged opposite each other.

6. The variable-size edge detection device according to claim 1, characterized in that: The support frame includes an extension frame and a support plate, the extension frame extending along a second direction, and the support plate being connected to the end of the extension frame.

7. A variable-size edge detection device according to claim 6, characterized in that: The support plate is provided with anti-slip components embedded on at least the surface of the product to be tested.

8. A variable-size edge detection device according to claim 6, characterized in that: A first sliding pair for movement in a second direction is provided between the extension frame and the movable platform.

9. A variable-size edge detection device according to claim 1, characterized in that: The output end of the first driving component is also connected to a rotary driving component, and the movable platform is connected to the output end of the rotary driving component.

10. A display detection system, characterized in that, Includes a variable-size edge detection device as described in any one of claims 1-9.

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