Monocular camera finished product testing fixture

By designing a detachable test fixture structure, the problem of complex structure of the finished monocular camera focusing fixture was solved, achieving convenient operation and efficient testing.

CN224459881UActive Publication Date: 2026-07-03SHANDONG QUANSHI MICRO TECHNOLOGY ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG QUANSHI MICRO TECHNOLOGY ELECTRONICS CO LTD
Filing Date
2025-08-20
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing monocular camera focusing fixtures are complex in structure, inconvenient to operate, and difficult to deploy and relocate.

Method used

A test fixture was designed, comprising a test support frame, a circuit board space, a camera circuit board, a data cable, and a movable cover plate. Through its detachable connection and flexible arrangement, the focal length of a finished monocular camera can be tested.

Benefits of technology

The test fixture features a simple structure and convenient operation, making it easy to set up and move, thus improving testing efficiency and flexibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a test fixture for a monocular camera, including a test support frame and a camera circuit board. The test support frame contains a circuit board space for fixing the test circuit board. A data cable connects the camera circuit board and the test circuit board. A test fixing base plate and a test movable cover plate are mounted on the camera circuit board. A test positioning connection device is fixed on the test fixing base plate, and a test piece fixing device is provided on the test movable cover plate. The monocular camera is encapsulated and fixed by the test movable cover plate and the test fixing base plate. Through the cooperation of the test positioning connection device, the camera circuit board, and the test circuit board, image or video capture is performed on the test piece fixing device, and the data is transmitted to a computer for display, allowing focus testing personnel to analyze and judge the results. The overall structure is simple and well-organized. The monocular camera can be easily placed and removed by opening and closing the test movable cover plate, making operation convenient and testing efficient.
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Description

Technical Field

[0001] This utility model relates to the technical field of supporting facilities for camera production, and in particular to a test fixture for finished monocular cameras. Background Technology

[0002] Monocular cameras are widely used in electronic products such as smartphones, tablets, smart wearable devices, drones, and toys. To ensure the quality of images or videos acquired after installation, monocular cameras require multiple processes such as focusing and focusing measurement after processing. Monocular cameras used in the above-mentioned fields are characterized by their small size and simple structure. Therefore, the focusing and testing processes of this type of monocular camera must be carried out with the help of fixtures.

[0003] Focusing a monocular camera involves checking the sharpness of its captured image or video. This requires fixing the camera to a focusing fixture and connecting it to a computer via a data cable. A light source is used to illuminate the image, altering its brightness. The monocular camera captures the image or video, which is then displayed on the computer. The focusing operator observes the image or video on the computer and uses the appropriate application to determine if the focus is correct. Focusing requires a matching circuit board and a data cable for connection to the computer. Currently used focusing fixtures are complex, and the accompanying circuit boards and data cables are cluttered, making them inconvenient to set up and move, and also lacking in ease of operation. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a monocular camera finished product test fixture that is simple in structure, easy to operate, has a regular overall structure, and is easy to arrange and move.

[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is: a monocular camera finished product testing fixture, used to test the focal length of a monocular camera finished product, including a test support frame, wherein a circuit board space for accommodating and fixing a test circuit board is formed within the test support frame, the test circuit board is detachably disposed within the circuit board space, a camera circuit board is fixed on the top surface of the test support frame, a data cable is detachably connected between the camera circuit board and the test circuit board, a test fixing base plate is fixed on the camera circuit board, a test movable cover plate is movably fitted with the test fixing base plate, a test positioning connection device for connecting the monocular camera finished product and the camera circuit board is fixedly installed on the test fixing base plate, and a test piece fixing device is provided on the test movable cover plate corresponding to the test positioning connection device.

[0006] As a preferred technical solution, the test positioning connection device includes a camera limiting plate fixedly installed on the test fixing base plate. The camera limiting plate is provided with a test positioning groove for accommodating the monocular camera finished product. Electrical connection pins for connecting the monocular camera finished product and the camera circuit board are arranged in the test positioning groove.

[0007] As a preferred technical solution, the test piece fixing device includes a test clearance hole that penetrates the test movable cover plate and is correspondingly provided with the camera limiting plate. A test protrusion cover buckle is sealed and connected to the outside of the test clearance hole on the test movable cover plate, and a test component is fixed on the inner top wall of the test protrusion cover buckle.

[0008] As a preferred technical solution, the test fixed base plate is movably connected to one side of the test movable cover plate via a rotating shaft, and the rotating shaft is provided with a cover plate torsion spring for keeping the test movable cover plate in an open state.

[0009] As a preferred technical solution, an upper assembly shaft is installed on the other side of the test movable cover plate. The assembly shaft and the rotating shaft are arranged opposite to each other on the test movable cover plate. A lower assembly shaft is provided on the test fixed base plate opposite to the upper assembly shaft for cooperation. An opening and closing operation block is movably installed between the upper assembly shaft and the lower assembly shaft.

[0010] As a preferred technical solution, the test support frame includes a support top plate and a support bottom plate arranged opposite to each other, and two support uprights are connected between the support top plate and the support bottom plate. The circuit board space is formed between the support top plate and the support bottom plate, and the test circuit board is detachably fixed to the support bottom plate by bolts.

[0011] As a preferred technical solution, the two sides of the supporting top plate extend to the outer side of the corresponding supporting upright plate, and the supporting top plate located on the outer side of the supporting upright plate also serves as a moving and holding part.

[0012] As an improvement to the above technical solution, finger holes are arranged through each of the aforementioned support plates to facilitate movement and use.

[0013] Due to the adoption of the above technical solution, a monocular camera finished product testing fixture, used for testing the focal length of a monocular camera finished product, includes a test support frame. The test support frame has a circuit board space formed within it for accommodating and fixing a test circuit board. The test circuit board is detachably disposed within the circuit board space. A camera circuit board is fixed to the top surface of the test support frame. A data cable is detachably connected between the camera circuit board and the test circuit board. A test fixing base plate is fixed to the camera circuit board, and a test movable cover plate is movably fitted to the test fixing base plate. A test positioning connection device for connecting the monocular camera finished product and the camera circuit board is fixedly installed on the test fixing base plate. The test movable cover plate is provided with a corresponding device for the test positioning connection device. This invention provides a suitable test piece fixing device. It offers the following advantages: When testing the focal length of a monocular camera, the device is placed inside the test positioning and connecting device, and secured by a test movable cover and a test fixing base plate. Through the cooperation of the test positioning and connecting device, the camera circuit board, and the test circuit board, the test images on the test piece fixing device are captured and transmitted to a computer for display, allowing for analysis and judgment by the focal length testing personnel. The test circuit board is fixed to the test support frame and can be disassembled to replace different test circuit boards. It can also be easily connected to the camera circuit board via a data cable. The overall structure is simple and well-organized. Opening and closing the test movable cover allows for easy handling of the monocular camera, making operation convenient and testing efficient. Attached Figure Description

[0014] The following figures are intended only to illustrate and explain the present invention and do not limit the scope of the present invention. Wherein:

[0015] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model;

[0016] Figure 2 This is a side view of an embodiment of the present utility model;

[0017] Figure 3 This is a schematic diagram of the open state of the test cover plate in an embodiment of this utility model;

[0018] Figure 4 This is a top view of the test fixing base plate of this utility model embodiment;

[0019] Figure 5 This is a bottom view of the test cover plate of this utility model embodiment;

[0020] In the diagram: 1-Test support frame; 101-Support top plate; 102-Support bottom plate; 103-Support upright plate; 104-Moving grip; 105-Finger through hole; 2-Test circuit board; 3-Circuit board space; 4-Camera circuit board; 5-Data cable; 6-Test fixed base plate; 7-Test movable cover plate; 8-Camera limiting plate; 9-Test positioning groove; 10-Electrical connection pin; 11-Test protruding cover buckle; 12-Lamp body; 13-Test image; 14-Hinge; 15-Cover plate torsion spring; 16-Upper assembly shaft; 17-Lower assembly shaft; 18-Opening and closing operation block; 19-Shaft groove; 20-Finished monocular camera. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments. In the following detailed description, only certain exemplary embodiments of the present invention are described by way of illustration. Undoubtedly, those skilled in the art will recognize that various modifications can be made to the described embodiments without departing from the spirit and scope of the present invention. Therefore, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

[0022] like Figures 1 to 5 As shown, a monocular camera finished product test fixture is used. After the monocular camera finished product 20 has its focus adjusted using the focusing fixture, its focus is tested using this embodiment to ensure that the monocular camera finished product 20, which is subsequently used directly in electronic products, can have high-quality image acquisition or video recording functions. Specifically, it includes a test support frame 1, which is used to support and elevate the monocular camera finished product 20 and testing equipment for easy operation. The test support frame 1 has a circuit board space 3 formed to accommodate and fix the test circuit board 2. The test circuit board 2 is detachably installed in the circuit board space 3. The test circuit board 2 can be installed and fixed using simple connectors such as screws and bolts, making the operation simple and convenient.

[0023] Specifically, the test support frame 1 includes a top support plate 101 and a bottom support plate 102 arranged vertically opposite each other. Two vertical support plates 103 are connected between the top support plate 101 and the bottom support plate 102. The circuit board space 3 is formed between the top support plate 101 and the bottom support plate 102. The test circuit board 2 is detachably fixed to the bottom support plate 102 by bolts. The vertical support plates 103 create a certain distance between the top support plate 101 and the bottom support plate 102 to accommodate hands, facilitating the installation and removal of the bolts and making the installation and removal of the test circuit board 2 more convenient.

[0024] In this embodiment, the supporting top plate 101 can extend to the outer sides of the corresponding supporting upright plate 103 on both sides. The supporting top plate 101 located on the outer side of the supporting upright plate 103 also serves as a handling grip 104 to facilitate the movement and transfer of the entire fixture. Alternatively, finger holes 105 can be provided through each of the supporting upright plates 103 for easy handling. By engaging fingers with the finger holes 105, the entire fixture can be moved, and the finger holes 105 also have a certain weight-reducing function. In addition, the size of the supporting bottom plate 102 can be slightly larger than the size of the supporting top plate 101 to improve the stability and firmness of the supporting bottom plate 102.

[0025] A camera circuit board 4, matching the finished monocular camera 20, is fixed on the top surface of the test support frame 1. A data cable 5 is detachably connected between the camera circuit board 4 and the test circuit board 2. The data cable 5 is a flexible data cable, and both ends can be plugged and unplugged from the corresponding circuit boards to facilitate the replacement of the test circuit board 2. Because the test circuit board 2 is replaceable, the resulting fixture can be used not only for focus measurement but also for electrical performance testing, image quality modulation, and other processes, improving its versatility and flexibility. The test circuit board 2 is also connected to a computer via the data cable 5. During focus measurement, the computer displays images or videos of the test piece captured by the finished monocular camera 20, and an application installed on the computer is used to determine whether the focal length of the finished monocular camera 20 is qualified.

[0026] A test mounting base plate 6 is fixed to the camera circuit board 4, and a test movable cover plate 7 is movably fitted to the test mounting base plate 6. A test positioning connection device for connecting the monocular camera finished product 20 and the camera circuit board 4 is fixedly installed on the test mounting base plate 6. A test piece fixing device is provided on the test movable cover plate 7 corresponding to the test positioning connection device. In use, after the monocular camera finished product 20 is placed in the test positioning connection device, it will automatically connect to the camera circuit board 4. Through the cooperation of the computer and the test circuit board 2, the test piece on the test piece fixing device is image-captured or photographed, and the image is displayed on the computer.

[0027] The test positioning and connection device includes a camera limiting plate 8 fixedly installed on the test fixing base plate 6. The camera limiting plate 8 is provided with a test positioning groove 9 for accommodating the monocular camera finished product 20. An electrical connection pin 10 for connecting the monocular camera finished product 20 and the camera circuit board 4 is arranged within the test positioning groove 9. After the monocular camera finished product 20 is placed in the test positioning groove 9, the electrical connection pin 10 will contact the electrical connection point on the monocular camera finished product 20, realizing the connection between the monocular camera finished product 20 and the camera circuit board 4, thereby supplying power to the monocular camera finished product 20 and receiving images or videos obtained through the monocular camera finished product 20.

[0028] The test piece fixing device includes a test clearance hole that penetrates the test movable cover plate 7 and corresponds to the camera limiting plate 8. A test protrusion cover buckle 11 is sealed and connected to the outside of the test clearance hole on the test movable cover plate 7. The test protrusion cover buckle 11 and the test positioning groove 9 can form a sufficiently large space to accommodate the monocular camera finished product 20 for image acquisition or video recording. Test components are fixed on the inner top wall of the test protrusion cover buckle 11. The test components specifically include a lamp body 12 for adjusting the ambient brightness of the monocular camera finished product 20 and a test image 13 located outside the lamp body 12. The lamp body 12 is connected to a power source through a wire. By setting a power controller, the power of the lamp body 12 can be changed, thereby changing its illuminance and thus changing the image acquisition or video recording environment conditions of the monocular camera finished product 20. This is well known to those skilled in the art and will not be described in detail here.

[0029] In this embodiment, the test fixed base plate 6 and the test movable cover plate 7 are movably connected on one side via a pivot 14, and the pivot 14 is provided with a cover plate torsion spring 15 to keep the test movable cover plate 7 in an open state. The cover plate torsion spring 15 provides a certain amount of damping between the test fixed base plate 6 and the test movable cover plate 7, thereby preventing them from automatically snapping together during the handling of the monocular camera finished product 20, making the handling of the monocular camera finished product 20 more convenient and faster.

[0030] An upper assembly shaft 16 is installed on the other side of the test movable cover plate 7. The assembly shaft and the rotating shaft 14 are arranged opposite to each other on the test movable cover plate 7. A lower assembly shaft 17 is provided on the test fixed base plate 6 opposite to the upper assembly shaft 16 for cooperation. An opening and closing operation block 18 is movably installed between the upper assembly shaft 16 and the lower assembly shaft 17. Specifically, the opening and closing operation block 18 is L-shaped and rotatably assembled with the upper assembly shaft 16. Moreover, a shaft groove 19 is formed on the opening and closing operation block 18 to cooperate with the lower assembly shaft 17, so as to improve the airtightness of the test fixed base plate 6 and the test movable cover plate 7 after they are fastened together, so that the monocular camera finished product 20 is in the illumination environment of the lamp body 12 when focusing. Rotating the opening and closing operation block 18 can separate the lower assembly shaft 17 from the shaft groove 19 to facilitate the opening of the test movable cover plate 7.

[0031] The description of this utility model is given for illustrative and descriptive purposes only, and is not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical application of the utility model, and to enable those skilled in the art to understand the utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A monocular camera product testing fixture for testing focal length of a monocular camera product, comprising a test support frame, characterized in that: The test support frame has a circuit board space for accommodating and fixing the test circuit board. The test circuit board is detachably disposed in the circuit board space. A camera circuit board is fixed on the top surface of the test support frame. A data cable is detachably connected between the camera circuit board and the test circuit board. A test fixing base plate is fixed on the camera circuit board. A test movable cover plate is movably fitted with the test fixing base plate. A test positioning connection device for connecting the monocular camera product and the camera circuit board is fixedly installed on the test fixing base plate. A test piece fixing device is provided on the test movable cover plate corresponding to the test positioning connection device.

2. The single camera production test fixture of claim 1, wherein: The test positioning connection device includes a camera limiting plate fixedly installed on the test fixing base plate. The camera limiting plate is provided with a test positioning groove for accommodating the finished monocular camera. Electrical connection pins for connecting the finished monocular camera and the camera circuit board are arranged in the test positioning groove.

3. The single camera production test fixture of claim 2, wherein: The test piece fixing device includes a test clearance hole that passes through the test movable cover plate and is corresponding to the camera limiting plate. A test protrusion cover buckle is sealed and connected to the outside of the test clearance hole on the test movable cover plate. A test component is fixed on the inner top wall of the test protrusion cover buckle. 4.The single camera production test fixture of claim 1, wherein: The test fixed base plate is movably connected to one side of the test movable cover plate via a rotating shaft, and the rotating shaft is provided with a cover plate torsion spring for keeping the test movable cover plate in an open state.

5. The single camera production test fixture of claim 4, wherein: An upper assembly shaft is installed on the other side of the test movable cover plate. The assembly shaft and the rotating shaft are arranged opposite to each other on the test movable cover plate. A lower assembly shaft is provided on the test fixed base plate opposite to the upper assembly shaft for cooperation. An opening and closing operation block is movably installed between the upper assembly shaft and the lower assembly shaft.

6. The single camera production test fixture of claim 1, wherein: The test support frame includes a support top plate and a support bottom plate arranged opposite to each other. Two support uprights are connected between the support top plate and the support bottom plate. The circuit board space is formed between the support top plate and the support bottom plate. The test circuit board is detachably fixed to the support bottom plate by bolts.

7. The single camera production test fixture of claim 6, wherein: The two sides of the supporting top plate extend to the outer side of the corresponding supporting upright plate, and the supporting top plate located on the outer side of the supporting upright plate also serves as a moving and holding part.

8. The single camera production test fixture of claim 6, wherein: Each of the aforementioned support plates is provided with finger holes for easy handling and moving.