Detection table for judging camera module AA

Abstract

A detection table for judging AA of a camera module comprises a detection table body, the detection table body comprises a workbench, a vertical lifting assembly, a detection driving device, an LED panel containing frame, a small LED panel containing frame, an LED light-emitting panel and a teleconverter containing assembly, and a module used for conducting AA judgment is arranged in the middle of the workbench; a module placing area is arranged at the position, close to the center, of the top of the table top of the workbench. The detection driving device is arranged on one side of the top of the table top of the workbench. According to the detection table for judging the AA of the camera module, the best SFR value is obtained by arranging the detection driving device and moving the panel distance (different distances between the panel and the teleconverter), so that the position where the AA rear focus of the camera module is located is obtained, then the through focus curve of the AA module is obtained through the fixed distance, and the through focus curve is compared with the through focus curve of a detection table system obtained through the same distance. And determining whether the four-corner Tilt has good A or not.

Description

Technical Field

[0001] The utility model relates to the technical field of camera module detection, in particular to a detection platform for determining camera module AA. Background Art

[0002] With the upgrading of market demand, more and more attention is paid to the tilt of the four corners of the camera module with motor. In order to ensure the uniformity of the four corners of the terminal product, the uniformity of the four corners of the camera module is increasingly required. At the same time, with the increasing popularity of the AA process, more and more camera modules with motors are manufactured using the AA process. The AA process can solve the problem of tilt at the four corners. The tilt of the four corners of the ordinary COB process is generally 30um. After the AA process, the til of the four corners of the module will be within 5um. However, in the production process, the AA process may not meet the standards due to operational errors and other situations. Therefore, in order to detect whether the A is good, a detection platform for determining the AA of the camera module is designed to perform AA determination on the module to determine whether it meets the standards. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a detection platform for determining camera module AA.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A detection platform for determining AA of a camera module comprises: a detection platform, the detection platform comprises a workbench, a vertical lifting component, a detection drive device, an LED panel placement rack, a small LED panel placement rack, an LED light-emitting panel and a teleconverter placement component, wherein a module for performing AA determination is arranged in the middle of the workbench; a module placement area is arranged near the center of the top of the workbench surface, the detection drive device is arranged on one side of the top of the workbench surface, the vertical lifting component is arranged on the top of the center of the detection drive device, the detection drive device is connected to the LED panel placement rack, the small LED panel placement rack and the teleconverter placement component by driving; the vertical lifting component is arranged together with the LED light-emitting panel.

[0006] In one embodiment, four corners of the bottom of the workbench are provided with foot supports, and the foot supports are cylindrical and have rubber pads at the bottom.

[0007] In one of the embodiments, the detection drive device is located directly behind the module placement area, and the central axis of the detection drive device and the central axis of the module placement area are perpendicular to each other.

[0008] In one embodiment, the vertical lifting assembly includes a fixed frame and a group of roller screws, the roller screws are arranged in the center of the fixed frame, and the rollers in the roller screws are fixedly connected to the LED light-emitting panel, and the top of the screws passes through the top of the fixed frame and an adjusting rotating handle is provided on the extended part.

[0009] In one of the embodiments, the teleconverter placement component, the small LED panel placement rack and the LED panel placement rack on the detection drive device are all located on the top of the module placement area.

[0010] In one of the embodiments, the teleconverter placement assembly, the small LED panel placement rack and the LED panel placement rack are not at the same height and are parallel to each other.

[0011] In one of the embodiments, a control button assembly is disposed on the workbench, and the control button assembly is electrically connected to the detection drive device.

[0012] In one of the embodiments, the LED light emitting panel is arranged on a side of the vertical lifting assembly close to the LED panel placement rack, and the LED light emitting panel is arranged on the top of the module placement area and is perpendicular and parallel to the module placement area.

[0013] In one embodiment, the inner cavity of the workbench is of open design, and a drawer is provided at the bottom of the tabletop, and storage boards are provided on the left and right sides of the bottom of the inner cavity.

[0014] In one embodiment, the LED light emitting panel is located on the top of the LED panel placement rack, the small LED panel placement rack and the teleconverter placement assembly, and the LED light emitting panel covers the LED panel placement rack, the small LED panel placement rack and the teleconverter placement assembly.

[0015] Compared with the prior art, the utility model has at least the following advantages:

[0016] The utility model provides a detection table for determining the AA of a camera module. The detection box with the camera module can be positioned and placed by means of a set module placement area. At the same time, a detection driving device is set, and a teleconverter placement component, an LED light emitting panel and a small LED panel placement frame arranged on the detection driving device can be perpendicular to the detection box in the module placement area, and simulate an infinite distance test or a close-up distance test. The set vertical lifting component and the LED light emitting panel can place drawings, and the optimal SFR value can be obtained by moving the panel distance (different distances between the panel and the teleconverter), so as to obtain the position of the AA back focus of the camera module. Then, the through focus curve of the AA module is obtained by a fixed distance, and compared with the through focus curve of the detection machine system obtained at the same distance, so as to confirm whether the four-corner Tilt is A well. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the detection platform for determining the camera module AA of the utility model;

[0019] Figure 2 This is a schematic diagram of the AA judgment module of the detection station for judging the AA of the camera module of the utility model;

[0020] Figure 3 This is a schematic diagram of the AA judgment module of the detection station for judging the camera module AA of the utility model as unqualified.

[0021] In the figure: 1. test table; 11. workbench; 12. foot support; 13. vertical lifting assembly; 14. LED panel placement rack; 15. LED light-emitting panel; 16. teleconverter placement assembly; 17. detection drive device; 18. module placement area; 19. adjustment and rotation handle; 101. small LED panel placement rack; 102. control button assembly. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.

[0023] In the description of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0024] Unless otherwise clearly stipulated and limited, terms such as "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] like Figure 1 As shown, a detection platform for determining AA of a camera module comprises: a detection platform 1, wherein the detection platform 1 comprises a workbench 11, a vertical lifting component 13, a detection drive device 17, an LED panel placement rack 14, a small LED panel placement rack 101, an LED light-emitting panel 15 and a teleconverter placement component 16, wherein a module for performing AA judgment is arranged in the middle of the workbench 11; a module placement area 18 is arranged in the center of the top of the workbench 11, the detection drive device 17 is arranged in the center of one side of the top of the workbench 11, the vertical lifting component 13 is arranged in the top of the center of the detection drive device 17, the detection drive device 17 is driven and connected with the LED panel placement rack 14, the small LED panel placement rack 101 and the teleconverter placement component 16; the vertical lifting component 13 is arranged together with the LED light-emitting panel 15. It should be noted that the camera module to be tested needs to be placed in the test box, and the test box is connected to the camera module through the test frame and placed in the module placement area 18. At this time, the test box first collects data, and then obtains the through focus curve of the AA module at a fixed distance, and compares it with the throughfocus curve of the detection machine system obtained at the same distance to confirm whether the four corners are tilted properly (the judgment diagram is attached to the manual). Figure 2 and instructions attached Figure 3 ).

[0027] like Figure 1 As shown, in one embodiment, the four corners of the bottom of the workbench 11 are provided with foot supports 12, the foot supports 12 are cylindrical and have rubber pads at the bottom. It should be noted that the bottom of the workbench 11 is also provided with a pulley set, which can facilitate the user to move the test bench 1.

[0028] like Figure 1 As shown, in one embodiment, the detection drive device 17 is located directly behind the module placement area 18, and the central axis of the detection drive device 17 is perpendicular to the central axis of the module placement area 18. It should be noted that this design allows the device on the detection drive device 17 to perform various tests on the test box in the module placement area 18.

[0029] like Figure 1 As shown in the figure, in one embodiment, the vertical lifting assembly 13 includes a fixed frame and a group of roller screws, the roller screws are arranged in the center of the fixed frame, and the rollers in the roller screws are fixedly connected to the LED light-emitting panel 15, and the top of the screws penetrates the top of the fixed frame and the extended part is provided with an adjustment rotating handle 19. It should be noted that the staff can control the LED light-emitting panel 15 to move up and down by rotating the adjustment rotating handle 19.

[0030] like Figure 1 As shown, in one embodiment, the teleconverter placement assembly 16, the small LED panel placement rack 101 and the LED panel placement rack 14 on the detection drive device 17 are all located at the top of the module placement area 18. It should be noted that the detection drive device 17 includes a horizontal slide rail and a slider disposed on the slide rail, a roller screw is disposed at the center of the slider, a plate body is disposed on the roller, and the teleconverter placement assembly 16, the LED panel placement rack and the small LED panel placement rack 101 are all connected thereto, and the slider is controlled by an electric telescopic rod, and the screw of the roller screw is controlled by a stepping motor.

[0031] like Figure 1 As shown, in one embodiment, the teleconverter placement assembly 16, the small LED panel placement rack 101 and the LED panel placement rack 14 are not at the same height and are parallel to each other. It should be noted that this design allows the teleconverter placement assembly 16, the small LED panel placement rack 101 and the LED panel placement rack 14 to not affect each other when in use.

[0032] like Figure 1As shown, in one embodiment, a control button assembly 102 is provided on the workbench 11, and the control button assembly 102 is electrically connected to the detection drive device 17. It should be noted that the control button can control the slider in the detection drive device 17 to move left and right, and the plate body to move up and down, so that the teleconverter placement assembly 16, the LED panel placement rack 14 and the small LED panel placement rack 101 can be respectively perpendicular to the test box in the module placement area 18, so as to achieve the optical center, close-up distance test and infinite distance test of the camera module.

[0033] like Figure 1 As shown, in one embodiment, the LED light panel 15 is arranged on one side of the vertical lifting assembly 13 close to the LED panel placement frame 14, and the LED light panel 15 is arranged on the top of the module placement area 18, and is perpendicular and parallel to it. It should be noted that the LED light panel 15 is used to place the drawing (SFR), and the vertical detection is consistent with the AA system direction.

[0034] like Figure 1 As shown, in one embodiment, the inner cavity of the workbench 11 is open-type, and a drawer is provided at the bottom of the table, and storage boards are provided on the left and right sides of the bottom of the inner cavity. It should be noted that this design allows the workbench 11 to be placed with some tools that assist in testing.

[0035] like Figure 1 As shown, in one embodiment, the LED light emitting panel 15 is located on the top of the LED panel placement rack 14, the small LED panel placement rack 101 and the teleconverter placement assembly 16, and the LED light emitting panel 15 covers the LED panel placement rack 14, the small LED panel placement rack 101 and the teleconverter placement assembly 16.

[0036] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A detection platform for determining camera module AA, characterized in that: include: A detection platform (1), the detection platform (1) comprising a workbench (11), a vertical lifting assembly (13), a detection drive device (17), an LED panel placement rack (14), a small LED panel placement rack (101), an LED light-emitting panel (15) and a teleconverter placement assembly (16), wherein a module for performing AA judgment is arranged in the middle of the workbench (11); A module placement area (18) is provided near the center of the top of the workbench (11); the detection drive device (17) is provided on one side of the top of the workbench (11); the vertical lifting assembly (13) is provided at the top of the center of the detection drive device (17); the detection drive device (17) is connected to the LED panel placement rack (14), the small LED panel placement rack (101) and the teleconverter placement assembly (16); The vertical lifting assembly (13) is arranged together with the LED light-emitting panel (15).

2. The detection station for determining camera module AA according to claim 1, characterized in that: The four corners of the bottom of the workbench (11) are each provided with a foot support (12), the foot support (12) is a cylinder and a rubber pad is provided at the bottom thereof.

3. The detection station for determining camera module AA according to claim 1, characterized in that: The detection drive device (17) is located directly behind the module placement area (18), and the central axis of the detection drive device (17) and the central axis of the module placement area (18) are perpendicular to each other.

4. The detection station for determining camera module AA according to claim 1, characterized in that: The vertical lifting assembly (13) comprises a fixed frame and a group of roller screws, wherein the roller screws are arranged at the center of the fixed frame, and the rollers in the roller screws are fixedly connected to the LED light-emitting panel (15), and the top of the screws passes through the top of the fixed frame and an adjusting rotating handle (19) is arranged on the part extending therefrom.

5. The detection station for determining camera module AA according to claim 1, characterized in that: The teleconverter placement assembly (16), the small LED panel placement rack (101) and the LED panel placement rack (14) on the detection drive device (17) are all located at the top of the module placement area (18).

6. The detection station for determining camera module AA according to claim 1, characterized in that: The teleconverter placement assembly (16), the small LED panel placement rack (101) and the LED panel placement rack (14) are not at the same height and are parallel to each other.

7. The detection station for determining camera module AA according to claim 1, characterized in that: A control button assembly (102) is provided on the workbench (11), and the control button assembly (102) is electrically connected to the detection drive device (17).

8. The detection station for determining camera module AA according to claim 1, characterized in that: The LED light-emitting panel (15) is arranged on a side of the vertical lifting component (13) close to the LED panel placement frame (14), and the LED light-emitting panel (15) is arranged on the top of the module placement area (18) and is perpendicular and parallel to the module placement area (18).

9. The detection station for determining camera module AA according to claim 1, characterized in that: The inner cavity of the workbench (11) is of open design, and a drawer is arranged at the bottom of the tabletop, and storage boards are arranged on the left and right sides of the bottom of the inner cavity.

10. The detection station for determining camera module AA according to claim 1, characterized in that: The LED light emitting panel (15) is located on the top of the LED panel placement rack (14), the small LED panel placement rack (101) and the teleconverter placement assembly (16), and the LED light emitting panel (15) covers the LED panel placement rack (14), the small LED panel placement rack (101) and the teleconverter placement assembly (16).

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