Screen test CCD (Charge Coupled Device) module
Through the screen test CCD module with three-directional moving design and fill light adjustment, the problem of insufficient movement freedom in the existing technology is solved, and efficient and comprehensive screen defect detection is achieved, which is suitable for rapid testing of screens of different sizes.
Patent Information
- Application Number
- CN202421098859.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-05-20
AI Technical Summary
The existing screen test CCD modules are unable to accurately and comprehensively position the screen due to fixed design and limited movement freedom, resulting in increased testing time and increased operational complexity.
The screen test CCD module adopts a three-directional moving design, including X, Y, and Z axis movement, combined with fill lights and modular carrier plates, ensures flexibility and stability, and can adjust the lighting angle and intensity in different areas to meet the testing needs of screens of different sizes.
It realizes efficient, comprehensive and accurate defect detection of screen testing, reduces missed detection problems caused by insufficient light or reflection, improves test coverage and accuracy, and adapts to the rapid assembly and disassembly of screens of different sizes.
Smart Images

Figure CN223166620U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of screen testing, in particular to a screen testing CCD module. Background Technique
[0002] The screen testing CCD module is an efficient quality inspection tool, specifically used to detect defects on screen products, such as dead pixels, bright spots or color differences. The core of this module lies in its CCD (Charge-Coupled Device) image recognition unit, including a camera, an image recognizer and an external recognition software. These devices work together to accurately capture the minute defects on the screen surface, thereby ensuring product quality. In the high-tech industry, especially in the manufacturing fields of smart phones and computer displays, this module plays a crucial role.
[0003] However, the existing screen testing CCD modules on the market face some problems. Traditional modules usually need to be elevated and adopt a fixed design to cover different sizes and types of screens, with very limited freedom of movement. This design restricts the flexibility and applicability of the module. When the size of the bracket is limited, it may be necessary to manually adjust the position of the module or replace the device to comprehensively capture the screen. This not only increases the testing time but also improves the complexity of the operation.
[0004] Therefore, a screen testing CCD module is needed to solve the above technical defects. Content of the Utility Model
[0005] The purpose of the utility model is to provide a screen testing CCD module to solve the problems of fixed assembly, limited freedom of movement and inability to accurately and comprehensively locate the screen proposed in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A screen testing CCD module, including a bracket and a support arm. The bracket is composed of two groups of corresponding steel frames. At the top of each bracket, a group of support arms is welded. At the front end of the support arm, a carrier plate is fixedly connected. At the rear end of the support arm, a cross frame is fixedly connected. On both sides of the bottom end of the cross frame, a group of connecting arms is fixedly connected respectively. At the top end of the connecting arm, a carrier plate is fixedly connected. Multiple groups of CCD image recognition units are installed at the carrier plate. The CCD image recognition unit includes a Z-axis track, which is fixedly assembled at the carrier plate. At the top of the Z-axis track, a Z-axis slide is assembled. At the top end of the Z-axis slide, a connecting plate is fixedly connected. At the front end of the connecting plate, an X-axis track is fixedly connected. At the front end of the X-axis track, an X-axis slide is assembled. At the front end of the X-axis slide, a Y-axis track is fixedly connected. At the front end of the Y-axis track, a Y-axis slide is assembled. At the front end of the Y-axis slide, a protective plate is fixedly connected. Inside the protective plate, a CCD image recognizer is fixedly installed. At the bottom end of the CCD image recognizer is a camera.
[0007] Preferably, two sets of the CCD image recognizers form a pair, and every two sets are equidistantly installed at the front end of the carrier board.
[0008] Preferably, sensors are installed at the Y-axis slide, X-axis slide and Z-axis slide, and the sensors are connected to the control system.
[0009] Preferably, three pairs of connecting frames are equidistantly assembled at the front end of the carrier board. Both the front and rear ends of the bottom of the connecting frame are fixedly connected with fixing frames, and rotating grooves are formed in the inner walls of the fixing frames, and fill lights are movably connected in the rotating grooves.
[0010] Preferably, the rotating groove and the fill light are fixedly assembled at an angle through friction, and the rotating groove is a semi-circular through groove.
[0011] Preferably, a group of reinforcing rods are fixedly connected between the bracket and the support arm, and a triangular seat is fixedly connected between the bottom end of the bracket and the ground.
[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: The screen testing CCD module not only realizes three-direction free movement, more accurately and comprehensively locates the screen position, realizes adjusting the illumination angle and intensity according to the specific requirements of the testing area, but also realizes taking into account the requirements of testing stability and flexibility;
[0013] (1) By providing a CCD image recognition unit, through the three-direction movement design, the module can move in the X, Y, and Z directions, so as to accurately locate any position of the screen for full-range testing. The camera can move to a specific area of the screen, capture high-definition images, and perform detailed defect detection. This flexible automatic movement significantly improves the coverage and accuracy of the testing, and can more effectively and comprehensively identify minute defects of the screen, such as dead pixels, bright spots or color differences, to ensure the quality of the screen products;
[0014] (2) By providing fixing frames, fill lights, and rotating grooves, a set of fill lights are arranged in front of and behind each pair of side viewing areas. During the screen testing process, different areas may require different lighting conditions to ensure image quality and defect visibility. Before testing, the fill lights are flipped through the rotating grooves to face the screen, and the illumination angle and intensity are adjusted according to the specific requirements of the testing area to ensure the lighting uniformity and recognition effect during the testing process, effectively reducing the problem of missed detection caused by insufficient light or reflection, and ensuring the efficient and comprehensive detection of the screen;
[0015] (3) By providing a bracket, a reinforcing rod, a support arm, and a carrier plate, the bracket combines with the reinforcing rod and the support arm. The reasonable weight distribution of the bracket ensures that even during frequent movement and positioning, the module can remain stable, preventing test errors caused by vibration or displacement. The identification module at the carrier plate uses modular assembly, enabling rapid assembly and disassembly, adapting to the screen test requirements of different sizes and models. It can identify and test at least six groups of screens at one time, greatly improving the test efficiency and taking into account the requirements of stability and flexibility. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a schematic front three-dimensional structure view of the present utility model;
[0017] Figure 2 is a schematic bottom three-dimensional structure view of the present utility model;
[0018] Figure 3 is a schematic front view structure view of the present utility model;
[0019] Figure 4 is a schematic top view structure view of the present utility model;
[0020] Figure 5 is a schematic bottom view structure view of the supplementary light of the present utility model;
[0021] Figure 6 is a schematic side view structure view of the present utility model;
[0022] Figure 7 is a schematic enlarged structure view of the CCD image recognition unit of the present utility model.
[0023] In the figures: 1, horizontal frame; 2, connecting arm; 3, carrier plate; 4, CCD image recognition unit; 5, connecting frame; 6, fixing frame; 7, supplementary light; 8, rotating groove; 9, triangular seat; 10, bracket; 11, reinforcing rod; 12, support arm; 401, camera; 402, CCD image recognizer; 403, protective plate; 404, Y-axis sliding seat; 405, Y-axis track; 406, X-axis sliding seat; 407, X-axis track; 408, Z-axis track; 409, Z-axis sliding seat; 410, connecting plate; 411, sensor. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0025] Example 1: Please refer to Figure 1-7 , a screen test CCD module, including a bracket 10 and a support arm 12. The bracket 10 is two sets of corresponding steel frames. At the top of the bracket 10, a set of support arms 12 are welded respectively. At the front end of the support arm 12, a carrier plate 3 is fixedly connected. At the rear end of the support arm 12, a cross frame 1 is fixedly connected. At both sides of the bottom end of the cross frame 1, a set of connecting arms 2 are fixedly connected respectively. At the top end of the connecting arm 2, a carrier plate 3 is fixedly connected. At the carrier plate 3, multiple CCD image recognition units 4 are installed. The CCD image recognition unit 4 includes a Z-axis track 408, which is fixedly assembled at the carrier plate 3. At the top of the Z-axis track 408, a Z-axis slide 409 is assembled. At the top end of the Z-axis slide 409, a connecting plate 410 is fixedly connected. At the front end of the connecting plate 410, an X-axis track 407 is fixedly connected. At the front end of the X-axis track 407, an X-axis slide 406 is assembled. At the front end of the X-axis slide 406, a Y-axis track 405 is fixedly connected. At the front end of the Y-axis track 405, a Y-axis slide 404 is assembled. At the front end of the Y-axis slide 404, a guard plate 403 is fixedly connected. Inside the guard plate 403, a CCD image recognizer 402 is fixedly installed. At the bottom end of the CCD image recognizer 402 is a camera 401. Sensors 411 are installed at the Y-axis slide 404, X-axis slide 406 and Z-axis slide 409, and the sensors 411 are connected to the control system;
[0026] Specifically, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 7 , through the three-direction movement design, the module can move in the X, Y, and Z directions, so as to accurately locate any position of the screen for full-range testing. The camera 401 can move to a specific area of the screen, capture high-definition images, and conduct detailed defect detection. This flexible automatic movement significantly improves the coverage and accuracy of the test, and can more effectively and comprehensively identify the minute defects of the screen, such as dead pixels, bright spots or color differences, to ensure the quality of the screen product.
[0027] Example 2: At the front end of the carrier plate 3, three pairs of connecting frames 5 are assembled at equal intervals. At the front and rear ends of the bottom of the connecting frame 5, fixing frames 6 are fixedly connected respectively. Inside the inner walls of the fixing frames 6, rotating grooves 8 are opened. Inside the rotating grooves 8, supplementary light lamps 7 are movably connected. The rotating grooves 8 and the supplementary light lamps 7 are fixedly assembled at an angle through friction. The rotating grooves 8 are semi-circular through grooves;
[0028] Specifically, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, a set of supplementary light lamps 7 are arranged in front of and behind each pair of side viewing areas. During the screen testing process, different areas may require different lighting conditions to ensure image quality and the visibility of defects. Before the test, the supplementary light lamps 7 are flipped towards the screen through the rotating slot 8, and the lighting angle and intensity are adjusted according to the specific requirements of the test area to ensure the lighting uniformity and recognition effect during the test, effectively reducing the problem of missed inspections caused by insufficient light or reflection.
[0029] Embodiment 3: Two sets of CCD image recognizers 402 form a pair, and each two pairs are installed at equal intervals at the front end of the carrier plate 3. A set of reinforcing rods 11 are fixedly connected between the bracket 10 and the support arm 12 respectively. A triangular seat 9 is fixedly connected between the bottom end of the bracket 10 and the ground.
[0030] Specifically, as Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 6 and Figure 7 shown, the bracket 10 combines the reinforcing rods 11 and the support arm 12. The reasonable weight of the bracket 10 ensures that even during frequent movement and positioning, the module can remain stable, preventing test errors caused by vibration or displacement. The recognition module at the carrier plate 3 uses modular assembly, which can achieve rapid assembly and disassembly, adapt to the screen test requirements of different sizes and models, and can identify and test at least six groups of screens at one time.
[0031] Working principle: When the present utility model is in use, first, the module is fixed by the bracket 10, and the bracket 10 is combined with the reinforcing rod 11 and the support arm 12. The reasonable weight of the bracket 10 ensures that the module can remain stable even during frequent movement and positioning, preventing test errors caused by vibration or displacement. The identification module at the carrier plate 3 uses modular assembly, enabling rapid assembly and disassembly to adapt to the screen test requirements of different sizes and models. After the carrier plate 3 is fixed, the CCD image recognition unit 4 is assembled at a specified spacing. The CCD image recognition device 402 can move up and down through the Y-axis slide 404 on the Y-axis track 405; the CCD image recognition device 402 can move left and right through the X-axis slide 406 on the X-axis track 407; the CCD image recognition device 402 can move back and forth through the Z-axis slide 409 on the Z-axis track 408. The module can move in the X, Y, and Z directions, so as to accurately locate any position of the screen for full-range testing. The camera 401 can move to a specific area of the screen to capture high-definition images for detailed defect detection. A set of supplementary light lamps 7 is arranged in front of and behind each pair of side viewing areas. During the screen test, different areas may require different lighting conditions to ensure image quality and the visibility of defects. Before the test, the supplementary light lamps 7 are flipped towards the screen through the rotating slot 8, and the lighting angle and intensity are adjusted according to the specific requirements of the test area to ensure the lighting uniformity and recognition effect during the test, effectively reducing the problem of undetected defects caused by insufficient light or reflection. At least six groups of screens can be identified and tested at one time.
[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.
Claims
1. A screen test CCD module, comprising a bracket (10) and a support arm (12), characterized in that: The bracket (10) is two sets of corresponding steel frames. At the top of the bracket (10), a set of support arms (12) are welded respectively. At the front end of the support arm (12), a carrier plate (3) is fixedly connected. At the rear end of the support arm (12), a cross frame (1) is fixedly connected. At both sides of the bottom end of the cross frame (1), a set of connecting arms (2) are fixedly connected respectively. At the top end of the connecting arm (2), a carrier plate (3) is fixedly connected. At the carrier plate (3), a plurality of CCD image recognition units (4) are installed. The CCD image recognition unit (4) includes a Z-axis track (408), and the Z-axis track (408) is fixedly assembled at the carrier plate (3). At the top end of the Z-axis track (408), a Z-axis slide block (409) is assembled. At the top end of the Z-axis slide block (409), a connecting plate (410) is fixedly connected. At the front end of the connecting plate (410), an X-axis track (407) is fixedly connected. At the front end of the X-axis track (407), an X-axis slide block (406) is assembled. At the front end of the X-axis slide block (406), a Y-axis track (405) is fixedly connected. At the front end of the Y-axis track (405), a Y-axis slide block (404) is assembled. At the front end of the Y-axis slide block (404), a protection plate (403) is fixedly connected. Inside the protection plate (403), a CCD image recognizer (402) is fixedly installed. At the bottom end of the CCD image recognizer (402) is a camera (401).
2. The screen test CCD module according to claim 1, wherein: Two sets of the CCD image recognizers (402) form a pair, and every two pairs are installed at equal intervals at the front end of the carrier plate (3).
3. A screen test CCD module according to claim 1, characterized in that: Sensors (411) are installed at the Y-axis slide block (404), X-axis slide block (406) and Z-axis slide block (409), and the sensors (411) are connected to the control system.
4. A screen test CCD module according to claim 1, characterized in that: Three pairs of connecting frames (5) are assembled at equal intervals at the front end of the carrier plate (3). At the front and rear ends of the bottom of the connecting frame (5), fixing frames (6) are fixedly connected respectively. Rotating grooves (8) are opened on the inner walls of the fixing frames (6), and fill light lamps (7) are movably connected in the rotating grooves (8).
5. The screen test CCD module according to claim 4, characterized in that: The rotating grooves (8) and the fill light lamps (7) are fixedly assembled at an angle through friction, and the rotating grooves (8) are semi-circular through grooves.
6. A screen test CCD module according to claim 1, wherein: A set of reinforcing bars (11) are fixedly connected between the bracket (10) and the support arm (12), and a triangular seat (9) is fixedly connected between the bottom end of the bracket (10) and the ground.