Test fixture and tool for miniature single lens

Abstract

The utility model relates to the field of jigs, and discloses a test jig and a tool for a miniature single lens, a mounting groove is arranged on a mounting plate, a test plate is arranged on the mounting groove, a gap exists between the test plate and the mounting groove, and a circuit board is arranged in the mounting groove and located in the gap between the test plate and the mounting groove. A test groove is formed in the test plate and is used for placing a lens; the circuit board is provided with a chip, the position of the chip on the circuit board corresponds to the position of the test groove, and the chip is used for abutting against the lens in the test groove, so that the lens and the chip can form a whole without a bonding mode, the lens can be erected in the test groove through the weight of the lens, the lens can be in contact with the chip, and during detection, when a bad lens is detected, the lens is not damaged. The whole module does not need to be scrapped, only a bad lens needs to be replaced, and resource waste is reduced.

Description

Technical Field

[0001] The utility model relates to the field of jigs, in particular to a test jig and tooling for a miniature single lens. Background Art

[0002] With the development of medical technology, medical electronic endoscopes are widely used in disease diagnosis and treatment, and companies have higher and higher quality requirements for endoscopes. Therefore, it is necessary to conduct a series of tests on the lens module during the research and development stage. Nowadays, the test method for micro lenses is mainly through testing the entire lens module, in which the entire lens module is to bond the lens and COMS chip together to test the lens quality. However, when this test method detects a bad lens, the entire lens module cannot be used, resulting in increased production costs and waste of resources. At the same time, in the existing testing process, the height of the entire lens module cannot be adjusted during testing, resulting in low test efficiency. Utility Model Content

[0003] In order to overcome the defects of the above-mentioned prior art, the purpose of the utility model is to provide a test fixture and tooling for a miniature single lens, so as to solve the technical problems of resource waste and low test efficiency in the overall lens testing process in the prior art.

[0004] The utility model is realized by the following technical solutions:

[0005] In a first aspect, the utility model provides a micro single-lens test fixture, including a test fixture body;

[0006] The test fixture body includes a fixture base, a mounting plate and a circuit board;

[0007] The mounting plate is arranged on the fixture base;

[0008] The mounting plate is provided with a mounting groove, the mounting groove is provided with a test plate, and there is a gap between the test plate and the mounting groove;

[0009] The circuit board is arranged in the mounting groove and is located in the gap between the test board and the mounting groove;

[0010] The test board is provided with a test slot for placing a lens;

[0011] The circuit board is provided with a chip, and the position of the chip on the circuit board corresponds to the test slot, and is used to abut against the lens in the test slot.

[0012] Preferably, the edges of the test slot are respectively provided with guide grooves for placing and positioning the lens.

[0013] Preferably, the shape of the mounting groove corresponds to the structure of the circuit board.

[0014] Preferably, the gap distance between the test board and the mounting groove corresponds to the thickness of the circuit board.

[0015] Preferably, a flexible wire row is also provided on the circuit board, and the flexible wire row is connected to the chip through a line for controlling the lighting of the chip and collecting image data.

[0016] Preferably, the area of ​​the test slot is larger than the area of ​​the chip.

[0017] In a second aspect, the utility model also provides a micro single-lens test fixture for testing the above-mentioned test fixture, including a test box;

[0018] A lifting and adjusting platform is provided in the test box, and the test fixture body is placed in the test box and arranged on the lifting and adjusting platform.

[0019] Preferably, the test box includes a box base, a box body and a light source cover;

[0020] The box body is arranged on the box body base, and the light source cover plate is arranged on the top of the box body;

[0021] The lifting and adjusting platform is arranged in the box body.

[0022] Preferably, a lifting knob is provided on the lifting adjustment platform, and the lifting knob is arranged outside the box through the box.

[0023] Preferably, a light source plate is provided on the light source cover plate.

[0024] Compared with the prior art, the utility model has the following beneficial technical effects:

[0025] The utility model provides a test fixture for a micro single lens, wherein a mounting groove is provided on a mounting plate, a test plate is provided on the mounting groove, a gap exists between the test plate and the mounting groove, a circuit board is arranged in the mounting groove and is located in the gap between the test plate and the mounting groove, a test groove is provided in the test board for placing the lens; a chip is provided on the circuit board, the position of the chip on the circuit board corresponds to the test groove, and is used to abut against the lens in the test groove, so that the lens and the chip do not need to be formed into a whole by bonding, the lens can be supported in the test groove by its own weight, and the lens and the chip can be in contact, so that when a bad lens is detected during testing, there is no need to scrap the entire module, and only the bad lens needs to be replaced, thereby reducing waste of resources.

[0026] Furthermore, guide grooves are provided at the edges of the test slot for placing and positioning the lens, so that the lens can be placed in the test slot through the guide grooves. When a defective lens is detected, the lens can be removed from the test slot through the guide grooves.

[0027] Furthermore, the shape of the mounting groove corresponds to the structure of the circuit board, thereby improving the stability of the circuit board when assembled in the mounting groove.

[0028] Furthermore, the gap distance between the test board and the mounting groove corresponds to the thickness of the circuit board, thereby improving the stability of the circuit board when assembled in the gap between the test board and the mounting groove.

[0029] Furthermore, the area of ​​the test slot is larger than the area of ​​the chip, which facilitates the contact between the lens and the chip.

[0030] The utility model also provides a testing tool for a micro single-lens lens, by arranging a lifting adjustment platform in a test box, placing a test fixture body in the test box and arranging it on the lifting adjustment platform, and adjusting the distance between the test fixture body and the light source cover plate by adjusting the lifting adjustment platform, so as to achieve the test result.

[0031] Furthermore, a lifting knob is provided on the lifting adjustment platform, and the lifting knob is arranged outside the box through the box body to facilitate external operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a top view of the test fixture in the utility model;

[0033] Figure 2 It is a side view of the test fixture in the utility model;

[0034] Figure 3 This is a schematic diagram of the circuit board structure in the utility model;

[0035] Figure 4 This is a schematic diagram of the test fixture structure of the micro single lens in the utility model;

[0036] In the figure: 1-test box; 2-lifting adjustment table; 3-test fixture body; 11-box base; 12-box; 13-light source cover; 14-light source board; 31-fixture base; 32-mounting plate; 33-test board; 34-test slot; 35-guide slot; 36-circuit board; 37-lens; 361-chip; 362-flexible cable. DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0038] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0039] The utility model is further described in detail below with reference to the accompanying drawings:

[0040] The utility model aims to provide a test fixture and tooling for a miniature single lens, so as to solve the technical problems of resource waste and low test efficiency in the overall lens test process in the prior art.

[0041] Example 1

[0042] See also Figure 1 and Figure 2 In one embodiment of the utility model, a test fixture for a micro single lens is provided, including a test fixture body 3; the test fixture body 3 includes a fixture base 31, a mounting plate 32 and a circuit board 36; the mounting plate 32 is arranged on the fixture base 31; the mounting plate 32 is provided with a mounting groove, a test board 33 is arranged on the mounting groove, and there is a gap between the test board 33 and the mounting groove; the circuit board 36 is arranged in the mounting groove and is located in the gap between the test board 33 and the mounting groove; a test groove 34 is arranged in the test board 33 for placing a lens 37; a chip 361 is arranged on the circuit board 36, such as Figure 3 As shown, the position of the chip 361 on the circuit board 36 corresponds to the test slot 34 , and is used to abut against the lens 37 in the test slot 34 .

[0043] Specifically, guide grooves 35 are respectively provided at the edges of the test slot 34 for placing and positioning the lens 37 .

[0044] In this embodiment, guide grooves 35 are provided at the edges of the test grooves 34, so that the lens can be placed in the test grooves through the guide grooves. When a defective lens is detected, the lens can be taken out of the test grooves through the guide grooves.

[0045] Specifically, the shape of the mounting groove corresponds to the structure of the circuit board 36, which improves the stability of the circuit board when assembled in the mounting groove.

[0046] Specifically, the gap distance between the test board 33 and the mounting groove corresponds to the thickness of the circuit board 36 , which improves the stability of the circuit board when assembled in the gap between the test board and the mounting groove.

[0047] Specifically, the circuit board 36 is also provided with a flexible wire row 362, such as Figure 3 As shown, the flexible wire row 362 is connected to the chip 361 via a line, which is used to control the lighting of the chip and collect image data.

[0048] Specifically, the area of ​​the test slot 34 is larger than the area of ​​the chip 361 , which facilitates the contact between the lens and the chip.

[0049] In summary, the utility model provides a test fixture for a micro single-lens lens, wherein a mounting groove is provided on a mounting plate, a test board is provided on the mounting groove, a gap exists between the test board and the mounting groove, a circuit board is arranged in the mounting groove and is located in the gap between the test board and the mounting groove, a test groove is provided in the test board for placing the lens; a chip is provided on the circuit board, the position of the chip on the circuit board corresponds to the test groove, and is used to abut against the lens in the test groove, so that the lens and the chip do not need to be formed as a whole by bonding, the lens can be mounted in the test groove by its own weight, and the lens and the chip can be in contact, so that during detection, when a bad lens is detected, there is no need to scrap the entire module, and only the bad lens needs to be replaced, thereby reducing waste of resources.

[0050] Example 2

[0051] See also Figure 4 The present embodiment provides a micro single-lens test tooling for testing the above-mentioned test fixture, including a test box 1; a lifting adjustment platform 2 is provided in the test box 1, and the test fixture body 3 is placed in the test box 1 and is arranged on the lifting adjustment platform 2.

[0052] Specifically, the test box 1 includes a box base 11, a box body 12 and a light source cover 13;

[0053] The box body 12 is arranged on the box body base 11, and the light source cover plate 13 is arranged on the top of the box body 12;

[0054] The lifting and adjusting platform 2 is arranged in the box body 12 .

[0055] Specifically, a lifting knob is provided on the lifting adjustment platform 2 , and the lifting knob is disposed outside the box body 12 through the box body 12 .

[0056] Specifically, a light source plate 14 is provided on the light source cover plate 13 to provide a light source for the test process and to attach a test target.

[0057] To sum up, this embodiment provides a test tool for a micro single-lens lens, by setting a lifting adjustment platform in a test box, and placing a test fixture body in the test box and setting it on the lifting adjustment platform. The distance between the test fixture body and the light source cover is adjusted by adjusting the lifting adjustment platform, so as to achieve the test result.

[0058] When using this embodiment, first fix the chip 361 on the circuit board 36 and connect it with the flexible wire row 362 through the line, then embed the circuit board 36 into the installation groove of the test fixture body 3, and place the lens 37 in the test groove 34 to contact the chip 361 of the circuit board 36;

[0059] Place the entire test fixture body 3 on the lifting adjustment platform 2 in the test box 1, then cover the test box 1 with the light source cover 13 with the test target attached in advance, turn on the light source, adjust the lifting adjustment platform 2 to reach the required detection height, and perform the detection.

[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or replaced by equivalents, and any modification or equivalent replacement that does not depart from the spirit and scope of the utility model should be included in the scope of protection of the claims of the utility model.

Claims

1. A miniature single-lens test fixture, characterized in that: Including the test fixture body (3); The test fixture body (3) comprises a fixture base (31), a mounting plate (32) and a circuit board (36); The mounting plate (32) is arranged on the fixture base (31); The mounting plate (32) is provided with a mounting groove, a test plate (33) is provided on the mounting groove, and a gap exists between the test plate (33) and the mounting groove; The circuit board (36) is arranged in the installation groove and is located in the gap between the test board (33) and the installation groove; The test plate (33) is provided with a test slot (34) for placing a lens (37); The circuit board (36) is provided with a chip (361), and the position of the chip (361) on the circuit board (36) corresponds to the test slot (34), and is used to abut against the lens (37) in the test slot (34).

2. A micro single-lens test fixture according to claim 1, characterized in that: The edges of the test slot (34) are respectively provided with guide slots (35) for placing the lens (37) and positioning the lens (37).

3. A micro single-lens test fixture according to claim 1, characterized in that: The shape of the mounting groove corresponds to the structure of the circuit board (36).

4. A micro single-lens test fixture according to claim 1, characterized in that: The gap distance between the test board (33) and the installation groove corresponds to the thickness of the circuit board (36).

5. The micro single-lens test fixture according to claim 1, characterized in that: The circuit board (36) is also provided with a flexible wire row (362), and the flexible wire row (362) is connected to the chip (361) via a line, and is used to control the lighting of the chip and collect image data.

6. The micro single-lens test fixture according to claim 1, characterized in that: The area of ​​the test slot (34) is larger than the area of ​​the chip (361).

7. A test fixture for a micro single lens, characterized in that: Used to test the test fixture according to any one of claims 1 to 6, comprising a test box (1); A lifting and adjusting platform (2) is provided in the test box (1), and the test fixture body (3) is placed in the test box (1) and arranged on the lifting and adjusting platform (2).

8. The micro single-lens test fixture according to claim 7, characterized in that: The test box (1) comprises a box base (11), a box (12) and a light source cover plate (13); The box body (12) is arranged on the box body base (11), and the light source cover plate (13) is arranged on the top of the box body (12); The lifting and adjusting platform (2) is arranged in the box body (12).

9. The micro single-lens test fixture according to claim 7, characterized in that: The lifting adjustment platform (2) is provided with a lifting knob, and the lifting knob is arranged outside the box (12) through the box (12).

10. The micro single-lens test fixture according to claim 8, characterized in that: A light source plate (14) is provided on the light source cover plate (13).

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