Long-focus camera module analysis test system

Abstract

The utility model provides a long-focus camera module analysis test system. The long-focus camera module analysis test system comprises a test panel, an integrated test holder and an adjusting module, wherein the adjusting module is used for adjusting the positions of the camera module, the teleconverter and / or the test panel, so that the centers of the camera module, the teleconverter and the test panel are coaxial. Through the above arrangement, the adjusting module is adjusted to make the integrated test holder or the test panel translate in the X-axis or Y-axis direction and rotate along the rotating shaft, so that the centers of the camera module, the teleconverter and the test panel are coaxial, the test efficiency is improved, and the cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of camera technology, and in particular to a telephoto camera module analysis test system. Background Art

[0002] With the development of technology, more and more camera modules use telephoto lenses, which usually brings the problem of small field of view. After using the AA process (using automated equipment and methods to accurately align and assemble camera components to improve product quality and consistency) for such camera modules, the chart (test chart) is still easily misaligned during the analysis test, resulting in X / Y axis or rotation offset of the chart. In order to solve this problem in the existing technology, it is necessary to develop algorithms and purchase servo motors, etc., which not only takes a long debugging cycle, but is also very expensive. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a telephoto camera module analysis test system.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A telephoto camera module analysis test system, comprising: a test panel, an integrated test pan and an adjustment module;

[0006] The integrated test gimbal includes a test stand and a teleconverter stand;

[0007] The test stand is used to place the camera module;

[0008] The teleconverter holder is used to place the teleconverter;

[0009] The adjustment module is used to adjust the position of the camera module, the teleconverter and / or the test panel so that the centers of the camera module, the teleconverter and the test panel are coaxial.

[0010] As a preferred improvement of the present invention, the adjustment module is arranged on the integrated test platform.

[0011] As a preferred improvement of the present invention, the adjustment module is arranged on the test panel.

[0012] As a preferred improvement of the present invention, the telescope frame is arranged between the test frame and the test panel.

[0013] As a preferred improvement of the present invention, it is characterized in that the adjustment module includes an X-axis adjustment device, a Y-axis adjustment device and a rotation adjustment device.

[0014] As a preferred improvement of the present invention, the X-axis adjustment device is a first threaded rod, and the integrated test gimbal or the test panel is pushed to move in the X-axis direction by the threads of the first threaded rod.

[0015] As a preferred improvement of the present invention, the Y-axis adjustment device is a second threaded rod, and the integrated test gimbal or the test panel is pushed to move in the Y-axis direction through the threads of the second threaded rod.

[0016] As a preferred improvement of the present invention, the rotation adjustment device is a handle, and the integrated test platform or the test panel is rotated by pushing the handle.

[0017] As a preferred improvement of the present invention, the test stand is also used to place test tools.

[0018] As a preferred improvement of the present invention, the integrated test gimbal further includes a fine-tuning device, which is used to adjust the position of the teleconverter so that the teleconverter is coaxial with the center of the camera module.

[0019] Compared with the prior art, the advantages and positive effects of the utility model are:

[0020] In the present invention, the adjustment module is adjusted to make the integrated test platform or test panel translate in the X-axis or Y-axis direction, and rotate along the rotation axis, so that the centers of the camera module, teleconverter and test panel are coaxial. Different from the test equipment in which the ordinary camera module and teleconverter are separated, the embodiment of the present invention adopts an integrated test platform, fixes the positions of the camera module and the teleconverter in advance so that the centers of the two are coaxial, and only needs to adjust the position of the integrated test platform or the test panel during the test, which improves the test efficiency and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the structure of a telephoto camera module analysis test system provided by one embodiment of the utility model;

[0022] Figure 2 A side view of an integrated test platform provided by an embodiment of the utility model;

[0023] Figure 3 A schematic diagram of the structure of a test panel provided in one embodiment of the utility model;

[0024] Figure 4 A schematic diagram of an original parsed image provided by an embodiment of the utility model;

[0025] Figure 5 A schematic diagram of an adjusted analytical image provided by an embodiment of the utility model. DETAILED DESCRIPTION

[0026] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0029] See also Figure 1 , the embodiment of the utility model provides a telephoto camera module analysis test system, including: a test panel 100, an integrated test platform 200 and an adjustment module 300;

[0030] The integrated test platform 200 includes a test frame 210 and a teleconverter frame 220;

[0031] The test stand 210 is used to place the camera module 211;

[0032] The teleconverter frame 220 is used to place the teleconverter 221;

[0033] The adjustment module 300 is used to adjust the positions of the camera module 211 , the teleconverter 221 and / or the test panel 100 so that the centers of the camera module 211 , the teleconverter 221 and the test panel 100 are coaxial.

[0034] In the utility model, the adjustment module is adjusted to enable the integrated test platform or the test panel to translate in the X-axis or Y-axis direction, or rotate along the rotation axis. Unlike the test equipment in which the ordinary camera module and the teleconverter are separated, the utility model adopts an integrated test platform in the embodiment, and the camera module and the teleconverter are both arranged on the integrated test platform. The positions of the camera module and the teleconverter can be fixed in advance so that the centers of the two are coaxial. During the test process, it is only necessary to adjust the position of the integrated test platform through the adjustment module to ensure that the two move under the coaxial condition until the centers of the camera module, the teleconverter and the test panel are coaxial and the SFR test block of the test panel reaches the specified field of view; or, the above purpose can also be achieved by adjusting the position of the test panel through the adjustment module, thereby improving the test efficiency and saving costs.

[0035] As a preferred improvement of the present invention, refer to Figure 1-2 , the adjustment module 300 is arranged on the integrated test gimbal 200 .

[0036] As a preferred improvement of the present invention, refer to Figure 2 The adjustment module 300 is arranged on the test panel 100. The test panel is usually an LED light-emitting panel, and an SFR drawing is placed during the test analysis.

[0037] In the embodiment of the utility model, the adjustment module can be set on the integrated test platform or on the test panel. During the test, the SFR test block of the test panel can be made to reach the specified field of view by adjusting the position of one of the adjustment modules. In the parsing image, there are 10 fields of view from 0.1 to 1.0. During the parsing process, the original parsing image is Figure 4 As shown in FIG. 1 , it can be found that the SFR test block is offset. After adjusting the adjustment module 300, the analysis image is translated in the X-axis direction, translated or rotated in the Y-axis direction, so that the SFR test block of the test panel quickly reaches the specified field of view. The adjusted analysis image is Figure 5 shown.

[0038] Preferably, the telephoto camera module analysis test system of the embodiment of the utility model further includes a bracket 400, and the test panel 100 and the integrated test platform 200 are both arranged on the bracket 400. When the adjustment module is arranged on the integrated test platform, the bracket includes a first slide rail group, and the integrated test platform can move on the first slide rail group by adjusting the adjustment module; similarly, when the adjustment module is arranged on the test panel, the bracket may further include a second slide rail group, and the test panel can move on the second slide rail group by adjusting the adjustment module.

[0039] As a preferred improvement of the present invention, the teleconverter frame 220 is arranged between the test frame 210 and the test panel 100. The teleconverter arranged on the teleconverter frame 220 can extend the focal length of the camera module on the object distance side.

[0040] As a preferred improvement of the present invention, it is characterized in that the adjustment module includes an X-axis adjustment device, a Y-axis adjustment device and a rotation adjustment device.

[0041] Preferably, when the adjustment module 300 is arranged on the integrated test platform 200, Figure 1-2 The adjustment module 300 includes an X-axis adjustment device 310 , a Y-axis adjustment device 320 and a rotation adjustment device 330 .

[0042] Preferably, when the adjustment module 300 is arranged on the test panel 100, Figure 3 The adjustment module 300' includes an X-axis adjustment device 310', a Y-axis adjustment device 320' and a rotation adjustment device 330'.

[0043] During the test process, it is only necessary to adjust the position of the integrated test pan / tilt or the test panel to enable the SFR test block of the test panel to quickly reach the specified field of view, thereby improving test efficiency and saving costs.

[0044] As a preferred improvement of the present invention, the X-axis adjustment device is a first threaded rod, and the integrated test gimbal or test panel is pushed to move in the X-axis direction through the threads of the first threaded rod.

[0045] As a preferred improvement of the present invention, the Y-axis adjustment device is a second threaded rod, and the integrated test gimbal or test panel is pushed to move in the Y-axis direction through the threads of the second threaded rod.

[0046] As a preferred improvement of the present invention, the rotation adjustment device is a handle, and the integrated test platform or test panel is rotated by pushing the handle.

[0047] As a preferred improvement of the utility model, the test frame is also used to place a test tool. The test tool is a Duxin box, the camera module is plugged into the test tool through the test frame, and the test data of the camera module is transmitted to a computer or other equipment through the test tool.

[0048] As a preferred improvement of the present invention, the integrated test gimbal 200 also includes a fine-tuning device 230, which is used to adjust the position of the teleconverter so that the teleconverter is coaxial with the center of the camera module, ensuring that the two always remain coaxial during the test analysis process.

[0049] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A telephoto camera module analysis test system, It is characterized in that include: Test panel, integrated test pan / tilt and adjustment module; The integrated test gimbal comprises a test frame and a teleconverter frame; The test stand is used to place the camera module; The teleconverter frame is used for placing the teleconverter; The adjustment module is used to adjust the positions of the camera module, teleconverter and / or test panel so that the centers of the camera module, teleconverter and test panel are coaxial.

2. The telephoto camera module analysis test system according to claim 1, It is characterized in that The adjustment module is arranged on the integrated test platform.

3. The telephoto camera module analysis test system according to claim 1, It is characterized in that The adjustment module is arranged on the test panel.

4. The telephoto camera module analysis and testing system according to claim 1, It is characterized in that The teleconverter frame is arranged between the test frame and the test panel.

5. The telephoto camera module analysis and testing system according to any one of claims 2-3, It is characterized in that The adjustment module includes an X-axis adjustment device, a Y-axis adjustment device and a rotation adjustment device.

6. The telephoto camera module analysis and testing system according to claim 5, It is characterized in that The X-axis adjustment device is a first threaded rod, and the integrated test platform or the test panel is pushed to move in the X-axis direction through the threads of the first threaded rod.

7. The telephoto camera module analysis and testing system according to claim 5, It is characterized in that The Y-axis adjustment device is a second threaded rod, and the integrated test platform or test panel is pushed to move in the Y-axis direction through the threads of the second threaded rod.

8. The telephoto camera module analysis and testing system according to claim 5, It is characterized in that The rotation adjustment device is a handle, and the integrated test platform or test panel is rotated by pushing the handle.

9. The telephoto camera module analysis and testing system according to claim 1, It is characterized in that The test rack is also used to place test tools.

10. The telephoto camera module analysis and testing system according to claim 1, It is characterized in that The integrated test gimbal also includes a fine-tuning device, which is used to adjust the position of the teleconverter so that the teleconverter is coaxial with the center of the camera module.

Images