WO2018040142A1 - 一种手机摄像头模组多模组同时测试装置 - Google Patents
一种手机摄像头模组多模组同时测试装置 Download PDFInfo
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- WO2018040142A1 WO2018040142A1 PCT/CN2016/099336 CN2016099336W WO2018040142A1 WO 2018040142 A1 WO2018040142 A1 WO 2018040142A1 CN 2016099336 W CN2016099336 W CN 2016099336W WO 2018040142 A1 WO2018040142 A1 WO 2018040142A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
Definitions
- the invention relates to a multi-module simultaneous testing device for a mobile phone camera module.
- the module test is limited by the need for image real test, multi-frame rate test (requires high-speed data transmission, each camera needs 2G or higher data throughput) ); limited by the camera's long-distance (such as 5M) test and other optical system construction; limited by the PC's ability to process image data, and the software system to build, allowing employees to directly obtain multi-module test results; It is limited to the electrical characteristics of each camera itself that requires more PIN pin connections; even some companies are limited by the camera itself, and need to get rid of the human eye to automatically determine the software, in order to allow an employee to operate multiple camera products.
- the invention patent solves many of the above limited problems, and provides a device for simultaneously testing multiple modules of a mobile phone camera module.
- a multi-module simultaneous testing device for a mobile phone camera module comprises: a plurality of camera boards connected together by a circuit board, the camera board comprising a test unit, each test unit comprising: a pressing block (1), a probe base (2), a bottom plate (3), a soft row (4) and a cover plate (8), the bottom plate is provided with an object tray (5), and the object tray (5) is provided with a camera module (6).
- a bottom plate (3) is provided with a PCB board (7), wherein each camera contains a sensor, and the image is transmitted to the FPC wire through the mipi interface, and one end of the FPC wire is connected to the sensor through the edge connector, and the gold finger is on one side, when the object disk After putting it on, the top cover
- the board (8) presses the camera module (6), and the gold finger is connected to the lower board through the probe, and the board is connected with the test card to transmit the image data to the test card. After the test card parses the MIPI signal, the image data is transmitted. To the PC.
- each camera board is provided with two camera modules at the same time, a total of eight camera boards are set, and 16 camera modules are tested at the same time.
- test machine is further provided, and test software is built in, and one software can detect two cameras at the same time; a total of 9 softwares need to be opened, one of which is a main control software, and the other 8 are detection softwares for lighting detection. Two cameras.
- 8 softwares can be distributed among three or more computers, and the test results of each camera are summarized by the main control software.
- the camera module is connected to the flexible cable through the connector, so that the module for replacing the different PIN pins only needs to solve the problem of replacing the FPC board, and the camera modules of different lengths can be changed by the length of the soft row.
- the position of the center of the camera lens to the position of the probe remains fixed.
- the article tray (5) is an externally insulated metal or plastic, and 16 modules are simultaneously fastened and connected to the test board through the loading and unloading of the whole tray, and the Socket cover can be replaced due to the size of the camera module. Head platen.
- the software-based camera module is based on a system telephoto test, and the test uses an array teleconverter method to achieve 16 cameras simultaneously MTF/SFR test or AF auto focus/phase focus.
- the main control software is used for message distribution or mechanical motion control, and collects test data of different computers through TCP/IP, and the test data of each program transmits data through TCP/IP.
- each computer has a unique IP.
- each board has a unique ID number
- the main program recognizes the unique ID number of each board when managing data collection, thereby avoiding data errors and confusion, or because the computer is restarted and the driver is reloaded.
- the problem is caused by data errors.
- the size of the single teleconverter is 3 cm, which ensures that the FOV of each camera is 90 degrees of field of view, ensuring a distance of 5 mm between the teleconverter and the camera module. .
- the invention realizes the same test of 16 modules with lower cost input and lower cost of product replacement, whether it is relatively large compared with the semi-automatic equipment and even the fully automatic equipment in the world today. Increase production efficiency and significantly reduce the production of the same module Equipment input costs.
- FIG. 1 is a schematic structural view of a multi-module simultaneous testing device for a mobile phone camera module of the present invention
- FIG. 2 is a schematic structural view of a multi-module simultaneous testing device for a mobile phone camera module of the present invention
- FIG. 3 is a schematic structural view of a multi-module simultaneous testing device for a mobile phone camera module of the present invention
- FIG. 4 is a schematic diagram of a testing method of a multi-module simultaneous testing device for a mobile phone camera module of the present invention
- FIG. 5 is a schematic diagram of a testing method of a multi-module simultaneous testing device for a mobile phone camera module of the present invention
- FIG. 6 is a schematic diagram of a test method of a multi-module simultaneous test device for a mobile phone camera module of the present invention.
- a multi-module simultaneous testing device for a mobile phone camera module includes: a plurality of camera boards connected together by a circuit board, the camera board includes a test unit, and each test unit
- the utility model comprises: a pressing block (1), a probe base (2), a bottom plate (3), a soft row (4) and a cover plate (8), wherein the bottom plate is provided with an object tray (5), and the article tray (5)
- One side is a golden finger.
- the upper cover (8) When the item tray is placed, the upper cover (8) is pressed against the camera module (6), and the gold finger is connected to the lower board through the probe, and the board is connected with the test card to transmit the image data. To the test card, after the test card parses the MIPI signal, the image data is transmitted to the PC.
- each camera board is provided with two camera modules at the same time, a total of eight camera boards are set, and 16 camera modules are tested at the same time.
- test machine is further provided, and test software is built in, and one software can detect two cameras at the same time; a total of 9 softwares need to be opened, one of which is a main control software, and the other 8 are detection softwares for lighting detection. Two cameras.
- 8 softwares can be distributed among three or more computers, and the test results of each camera are summarized by the main control software.
- the camera module is connected to the flexible cable through the connector, so that the module for replacing the different PIN pins only needs to solve the problem of replacing the FPC board, and the camera modules of different lengths can be changed by the length of the soft row.
- the position of the center of the camera lens to the position of the probe remains fixed.
- the article tray (5) is an externally insulated metal or plastic, and 16 modules are simultaneously fastened and connected to the test board through the loading and unloading of the whole tray, and the Socket cover can be replaced due to the size of the camera module. Head platen.
- the software-based camera module is based on a system telephoto test, and the test uses an array teleconverter method to achieve 16 cameras simultaneously MTF/SFR test or AF auto focus/phase focus.
- the main control software is used for message distribution or mechanical motion control, and collects test data of different computers through TCP/IP, and the test data of each program transmits data through TCP/IP.
- each computer has a unique IP.
- each board has a unique ID number
- the main program recognizes the unique ID number of each board when managing data collection, thereby avoiding data errors and confusion, or because the computer is restarted and the driver is reloaded.
- the problem is caused by data errors.
- the size of the single teleconverter is 3 cm, which ensures that the FOV of each camera is 90 degrees of field of view, ensuring a distance of 5 mm between the teleconverter and the camera module. .
- the invention realizes the same test of 16 modules with lower cost input and lower cost of product replacement, whether it is relatively large compared with the semi-automatic equipment and even the fully automatic equipment in the world today. Improve the production efficiency, and greatly reduce the equipment input cost caused by the production of the same module.
- eight sets of camera boards that can be illuminated by two cameras are used to support simultaneous illumination of 16 modules.
- Eight sets of test boards are combined into a single unit and connected to a large PCB board through a circuit board.
- the camera module is connected with the flexible cable through the connector, so that the module for replacing the different PIN pins only needs to solve the problem of replacing the FPC board, without modifying the socket fixture, and different at the same time.
- the length of the camera module can keep the position of the camera lens center to the position of the probe through the change of the length of the soft row, so that different camera products do not need to be replaced, and the probe does not need to be disassembled. Longer and thicker models.
- the crisp disc can be the metal or plastic with external insulation to achieve the limit.
- the employee can realize the 16 modules and the test board by the loading and unloading of the whole tray.
- the Socket cover can be replaced with a head platen due to the size of the camera module.
- the array teleconverter method is adopted, which can realize 16 MTF/SFR test or AF autofocus/phase focus simultaneously.
- 16 camera modules display images, test data, etc. through 8 dual-camera software. Because one computer is difficult to load data from 16 cameras, the 8 software can be distributed in 3-4 computers; there is one master The software is used for the distribution of messages, or the control of mechanical movements, and the collection of test data from different computers via TCP/IP.
- the test data for each program passes the data to the master via TCP/IP, and each computer has a unique IP. 7.
- Each board has a unique ID number. When the main program manages data collection, it recognizes the unique ID number of each board to avoid data errors and confusion, or because of computer restart, driver reloading, etc. The data caused by the error.
- an image test board can calculate the data of two cameras at the same time.
- the invention is not limited to the test board, including a single camera, a dual-photo test board, and even a test board that can test more cameras.
- this test board we have 8G of memory to reduce the PC requirements, but also You can reduce the PC configuration requirements by using a lower frame rate test board, slowing down the algorithm's operating rate, and so on.
- the invention is not limited to the number of camera modules that are simultaneously tested by multiple cameras, and may be 16 or 8 but more than four or more of the same number.
- the invention is also not limited to a single camera, but may be a dual camera module.
- the dual-camera test board described here uses the xilinx XC7k160tfbg676 FPGA chip, which can support two 4lane MIPI 1.6G camera tests, can support a single DVP product test, and can support single HISPI, LVDS and other interface modules.
- the test board also supports the camera's multi-frame buffer technology, using 4 DDR3s with 20G/s data throughput (supporting read and write synchronization), ensuring that even double-frame high frame rate can be received, resulting in frame image data. The destruction.
- three computer developments are used, but not limited to three, because the performance difference between the computers is large, but the method of using multiple computers in parallel when one computer cannot be achieved is provided.
- the communication between the main program and the background program uses the TCP/IP protocol. Not only can it be on the same station. Communication on the computer can also be communicated between different computers. It can be interconnected by using the network interface switch.
- the architecture supports single-shot test/precise, and will also support two-to-one comparison between two cameras. Two-two test. By main program shortcut Assign test sequences, assign test messages to each camera, and pass all test results back to the main program via TCP/IP.
- the following is a dual-camera software interface that can support two single-shot left and right duplex tests, as well as a single camera to single measurement and two-to-two calibration. You can use the shortcut keys to set whether the single test or the same test, the left module test or the right module test.
- the interface supports multiple simultaneous opening of one computer.
- This function is to avoid the restart of the computer, affecting the error between the tooling, the main program can first find the corresponding computer according to TCP/IP, and then find the corresponding port or tooling ID number from the interface of the computer, obtain and send the command. .
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Abstract
Description
Claims (10)
- 一种手机摄像头模组多模组同时测试装置,其特征在于,包括:通过线路板连接在一起的多套摄像头板卡,所述摄像头板卡包括测试单元,每个测试单元都包括:压块(1)、探针座(2)、底板(3)、软排(4)和盖板(8),所述底板上设置有物品盘(5),物品盘(5)上设摄像头模组(6),底板(3)下设PCB板(7),其中,每个摄像头中含有传感器,通过mipi接口将图像传至FPC导线,FPC导线一端通过边接器与传感器相连,一边是金手指,当物品盘放上后,上面盖板(8)压合摄像头模组(6),金手指通过探针与下方板子相连,板子又与测试卡相联,将图像数据传至测试卡,测试卡解析MIPI信号后,将图像数据传至PC。
- 根据权利要求1所述的手机摄像头模组多模组同时测试装置,其特征在于,每个摄像头板卡同时放置两个摄像头模组,共设置八套摄像头板卡,同时测试16个摄像头模组。
- 根据权利要求2所述的手机摄像头模组多模组同时测试装置,其特征在于,还设置有测试机,内设测试软件,一个软件可以同时检测二个摄像头;共需打开9个软件,其中一个为主控软件,其余8个为检测软件,用于点亮检测二个摄像头。
- 根据权利要求3所述的手机摄像头模组多模组同时测试装置,其特征在于,8个软件可以分布于三台或更多的电脑,由主控软件汇总每个摄像头的测试结果。
- 根据权利要求1所述的手机摄像头模组多模组同时测试装置,其特征在于,摄像头模组通过连接器与软排线相连接,来解决更换不同PIN脚的模组只需要解决更换FPC板就可以,不同长度的摄像头模组通过软排长度的变化便可以使摄像头镜头中心的位置至探针的位置都保持固定。
- 根据权利要求1所述的手机摄像头模组多模组同时测试装置,其特征在于,所述物品盘(5)是外表绝缘的金属或塑料,通过整盘的上下料实现16个模组同时扣合与测试板连接,Socket上盖因摄像头模组的尺寸不同可以更换头部压板。
- 根据权利要求1所述的手机摄像头模组多模组同时测试装置,其特征 在于,软件对摄像头模块基于***远焦测试,其测试时用阵列式增距镜方式,实现16个摄像头同时MTF/SFR测试或AF自动对焦/相位对焦。
- 根据权利要求4所述的手机摄像头模组多模组同时测试装置,其特征在于,主控软件一方面用于消息的分发,或是机械运动的控制,以及通过TCP/IP对不同电脑的测试数据进行收集,每个程序的测试数据都通过TCP/IP将数据传至主控程序,每个电脑都拥有唯一的IP。
- 根据权利要求1所述的手机摄像头模组多模组同时测试装置,其特征在于,每个板卡拥有唯一的ID号,主程序在管控数据收集时,通过每个板卡唯一的ID号辨识,避免数据的的出错与混乱,或是因为电脑重启、驱动重装等问题对造成的数据错误。
- 根据权利要求1所述的手机摄像头模组多模组同时测试装置,其特征在于,摄像头模组中,单个增距镜的尺寸是3cm,保证了每个摄像头的FOV是90度的视场角,保证了增距镜至摄像头模组之间的间距保证5个mm。
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