CN213690219U

CN213690219U - Lens defect inspection test fixing jig

Info

Publication number: CN213690219U
Application number: CN202023032112.5U
Authority: CN
Inventors: 刘鑫铭; 李升祐
Original assignee: Dongguan Gaowei Optical Electronics Co ltd
Current assignee: Dongguan Gaowei Optical Electronics Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-07-13
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a lens defect inspection test fixing jig, which comprises a bottom plate, a probe seat component, an image sensor module cover plate and a lens guide block; the surface of the bottom plate is concavely provided with an accommodating cavity; the probe seat component is embedded in the containing cavity and is provided with a concave position for embedding the image sensor module; the image sensor module cover plate is arranged on the probe seat assembly and covers the upper portion of the concave position, a window for the image sensor module to be exposed is formed in the image sensor module cover plate, and the window is communicated with the concave position in a vertically opposite mode. Through setting up probe seat subassembly to the cooperation sets up image sensor module apron and camera lens guide block, makes this tool under camera lens and image sensor module separation condition, can carry out LCB to the camera lens and detect, satisfies the needs that use, and this tool simple structure is plug-and-play, as long as test qualified back for the first time, just can repeat the change camera lens and test, has shortened the activity duration greatly, thereby improves efficiency of software testing.

Description

Lens defect inspection test fixing jig

Technical Field

The utility model belongs to the technical field of the tool technique and specifically relates to indicate a fixed tool of camera lens defect inspection test.

Background

The lens is an optical device composed of lenses on a camera, a camera or a projector, and in the lens manufacturing and production process, a lens supplier needs to screen the lens according to 100% LCB (low contrast defect) and deliver the lens to a module assembly factory for use on a new item of mass production according to the requirements of customers. At present, the general fixed tool of D50 test for testing the camera lens, it can only test Cube semi-manufactured goods after the AA encapsulation, can not satisfy the needs that use to traditional D50 test fixed tool is flip formula hinge structure, places the product after, need close the lid and just can test. Therefore, there is a need to develop a solution to the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a lens defect inspection and test fixture for solving the problem of the prior art that the existing lens test method cannot meet the requirement of use and the test is troublesome.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lens defect inspection test fixture comprises a bottom plate, a probe seat assembly, an image sensor module cover plate and a lens guide block; the surface of the bottom plate is concavely provided with an accommodating cavity; the probe seat component is embedded in the containing cavity and is provided with a concave position for embedding the image sensor module; the image sensor module cover plate is arranged on the probe seat assembly and covers the upper part of the concave position, a window for the image sensor module to expose is formed in the image sensor module cover plate, and the window is in up-and-down opposite communication with the concave position; the lens guide block is arranged on the bottom plate and covers the image sensor module cover plate, a guide groove for embedding the lens is formed in the lens guide block, and the guide groove is vertically and oppositely communicated with the window.

Preferably, the probe seat assembly comprises a probe block cover plate, a probe block base and a floating plate; the probe block is overlapped on the probe block cover plate, and a plurality of probes which are spliced with the image sensor module are arranged on the probe block; the probe block base is stacked on the probe block, the upper surface and the lower surface of the probe block base penetrate through the probe block base to form an embedding groove, a plurality of magnets are arranged at intervals on the periphery of the surface of the probe block base, and the magnets are arranged around the periphery of the embedding groove; the floating plate is arranged in the embedding groove, a plurality of through holes are formed in the floating plate, a plurality of probes respectively penetrate through the corresponding through holes to extend upwards, and the concave positions are located on the surface of the floating plate.

Preferably, the probe block cover plate, the probe block and the floating plate are all made of engineering plastics, and the probe block base is made of aluminum alloy.

Preferably, the periphery of the surface of the bottom plate is provided with a positioning pin, the lens guide block is provided with a positioning hole, and the positioning pin is inserted into the positioning hole for positioning.

Preferably, the lens guide block is fixedly connected with the bottom plate through a plurality of screws.

Preferably, the bottom plate is made of aluminum alloy.

Preferably, the image sensor module cover plate is made of stainless steel.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

through setting up probe seat subassembly to the cooperation sets up image sensor module apron and camera lens guide block, makes this tool under camera lens and image sensor module separation condition, can carry out LCB to the camera lens and detect, satisfies the needs that use, and this tool simple structure is plug-and-play, as long as test qualified back for the first time, just can repeat the change camera lens and test, has shortened the activity duration greatly, thereby improves efficiency of software testing.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an assembled perspective view of a preferred embodiment of the present invention;

FIG. 2 is an exploded view of the preferred embodiment of the present invention;

fig. 3 is an exploded view from another angle of the preferred embodiment of the present invention;

fig. 4 is a partial cross-sectional view of a preferred embodiment of the invention.

The attached drawings indicate the following:

10. bottom plate 11 and accommodating cavity

12. Positioning column 13 and positioning pin

20. Probe seat assembly 21 and probe block cover plate

22. Probe block 23 and probe block base

24. Floating plate 25 and probe

26. Magnet 201, concave position

202. Embedding slot 203, through hole

30. Image sensor module cover plate 31 and window

40. Lens guide block 41, guide groove

42. Positioning hole 43, screw

50. Circuit board 60 and image sensor module

70. Lens barrel

Detailed Description

Referring to fig. 1 to 4, the detailed structure of the preferred embodiment of the present invention is shown, which includes a base plate 10, a probe seat assembly 20, an image sensor module cover plate 30 and a lens guide block 40.

The surface of the bottom plate 10 is concavely provided with an accommodating cavity 11; in this embodiment, the bottom plate 10 is made of an aluminum alloy, the surface of the bottom plate is processed by a matte black anode, and a positioning column 12 for positioning and mounting with the circuit board 50 is convexly arranged on the bottom surface of the bottom plate 10; the periphery of the surface of the bottom plate 10 is provided with a positioning pin 13.

The probe seat assembly 20 is embedded in the accommodating cavity, and the probe seat assembly 20 is provided with a concave position 201 for embedding the image sensor module 60; specifically, the probe base assembly 20 includes a probe block cover plate 21, a probe block 22, a probe block base 23 and a floating plate 24; the probe block 22 is overlapped on the probe block cover plate 21, and a plurality of probes 25 inserted with the image sensor module 60 are arranged on the probe block 22; the probe block base 23 is overlapped on the probe block 22, the upper surface and the lower surface of the probe block base 23 penetrate through to form an embedding groove 202, a plurality of magnets 26 are arranged at intervals on the periphery of the surface of the probe block base 23, and the magnets 26 are arranged around the periphery of the embedding groove 202; the floating plate 24 is disposed in the embedding groove 202, a plurality of through holes 203 are opened on the floating plate 24, a plurality of probes 25 respectively pass through the corresponding through holes 203 and extend upwards, the concave portions 201 are located on the surface of the floating plate 24, the probe block cover plate 21, the probe block 22 and the floating plate 24 are all made of engineering plastics, and the probe block base 23 is made of aluminum alloy and the surface of the probe block base is processed by matte black anode treatment.

The image sensor module cover plate 30 is disposed on the probe base assembly 20 and covers the concave portion 201, a window 31 for exposing the image sensor module 60 is disposed on the image sensor module cover plate 30, and the window 31 is vertically opposite to and communicated with the concave portion 201; in this embodiment, the image sensor module cover 30 is made of stainless steel.

The lens guide block 40 is disposed on the bottom plate 10 and covers the image sensor module cover plate 30, a guide groove 41 for the lens 70 to be inserted is disposed on the lens guide block 40, and the guide groove 41 is vertically and oppositely communicated with the window 31. In the present embodiment, the lens guide block 40 has a positioning hole 42, the positioning pin 13 is inserted into the positioning hole 42 for positioning, and the lens guide block 40 is fixedly connected to the base plate 10 by a plurality of screws 43.

Detailed description the working principle of the present embodiment is as follows:

firstly, the jig is arranged on equipment, so that each probe 25 is in conductive connection with a circuit board 50 of the equipment, and an equipment engineer completes parameter setting and adjustment; and after the calibration is finished, delivering an operator to perform test operation.

The detailed using method and the operation flow are as follows:

(1) the image sensor module 60 is placed in the recess 201 of the floating plate 24, so that the image sensor module 60 is electrically connected to each probe 25.

(2) The image sensor module cover plate 30 is covered and it is checked whether the image sensor module cover plate 30 is assembled in place.

(3) The lens guide block 40 is assembled and fastened to the base plate 10 by screws 43.

(4) The lens 70 is placed in the guide groove 41 of the lens guide block 40 to be in contact with the image sensor module 60, and a first D50 test is performed to see whether a picture appears.

(5) If there is a picture, the lens 70 is replaced to perform a repeat test; if there is no picture, it is checked whether the image sensor module 60 is damaged or other relevant factors.

The utility model discloses a design key is: through setting up probe seat subassembly to the cooperation sets up image sensor module apron and camera lens guide block, makes this tool under camera lens and image sensor module separation condition, can carry out LCB to the camera lens and detect, satisfies the needs that use, and this tool simple structure is plug-and-play, as long as test qualified back for the first time, just can repeat the change camera lens and test, has shortened the activity duration greatly, thereby improves efficiency of software testing.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a fixed tool of camera lens defect inspection test which characterized in that: the probe comprises a bottom plate, a probe seat assembly, an image sensor module cover plate and a lens guide block; the surface of the bottom plate is concavely provided with an accommodating cavity; the probe seat component is embedded in the containing cavity and is provided with a concave position for embedding the image sensor module; the image sensor module cover plate is arranged on the probe seat assembly and covers the upper part of the concave position, a window for the image sensor module to expose is formed in the image sensor module cover plate, and the window is in up-and-down opposite communication with the concave position; the lens guide block is arranged on the bottom plate and covers the image sensor module cover plate, a guide groove for embedding the lens is formed in the lens guide block, and the guide groove is vertically and oppositely communicated with the window.

2. The lens defect inspection test fixture of claim 1, wherein: the probe seat assembly comprises a probe block cover plate, a probe block base and a floating plate; the probe block is overlapped on the probe block cover plate, and a plurality of probes which are spliced with the image sensor module are arranged on the probe block; the probe block base is stacked on the probe block, the upper surface and the lower surface of the probe block base penetrate through the probe block base to form an embedding groove, a plurality of magnets are arranged at intervals on the periphery of the surface of the probe block base, and the magnets are arranged around the periphery of the embedding groove; the floating plate is arranged in the embedding groove, a plurality of through holes are formed in the floating plate, a plurality of probes respectively penetrate through the corresponding through holes to extend upwards, and the concave positions are located on the surface of the floating plate.

3. The lens defect inspection test fixture of claim 2, wherein: the probe block cover plate, the probe block and the floating plate are all made of engineering plastics, and the probe block base is made of aluminum alloy.

4. The lens defect inspection test fixture of claim 1, wherein: the periphery of the surface of the bottom plate is provided with a positioning pin, the lens guide block is provided with a positioning hole, and the positioning pin is inserted into the positioning hole for positioning.

5. The lens defect inspection test fixture of claim 1, wherein: the lens guide block is fixedly connected with the bottom plate through a plurality of screws.

6. The lens defect inspection test fixture of claim 1, wherein: the bottom plate is made of aluminum alloy.

7. The lens defect inspection test fixture of claim 1, wherein: the image sensor module cover plate is made of stainless steel.