CN221376855U - Light sense test fixture - Google Patents
Light sense test fixture Download PDFInfo
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- CN221376855U CN221376855U CN202322905337.4U CN202322905337U CN221376855U CN 221376855 U CN221376855 U CN 221376855U CN 202322905337 U CN202322905337 U CN 202322905337U CN 221376855 U CN221376855 U CN 221376855U
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- light sensing
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- 238000012360 testing method Methods 0.000 title claims abstract description 96
- 230000006870 function Effects 0.000 claims abstract description 12
- 239000000523 sample Substances 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000035807 sensation Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a light sense test fixture, comprising: the light sensing test fixture comprises a light sensing test fixture body, a watch display module to be tested is placed on the light sensing test fixture body, an FPC (flexible printed circuit) is bound on the watch display module, a light sensing component is packaged on the FPC, the light sensing component is located on one side of the FPC, which faces the light sensing test fixture body, and a test assembly for conveniently testing light sensing functions is arranged at the position of the light sensing component, opposite to the position of the light sensing component, of the light sensing test fixture body. The light sensing test fixture has the effect of conveniently detecting the light sensing function of the light sensing component before the watch display module leaves the factory so as to ensure the light sensing function of the light sensing component to be normal.
Description
Technical Field
The utility model relates to the technical field of light sensing test, in particular to a light sensing test fixture.
Background
Along with the progress of science and technology, more and more intelligent wearing equipment such as products such as bracelet/wrist-watch all have built-in light sense components and parts, and the purpose is for detecting the luminance of the environment light that the product is located and automatically adjusting the luminance of display screen, reduces the module consumption. The light sensing area of the light sensing component and the FPC of the watch are on the same surface through SMT, so that the outside environment light can penetrate through the FPC to reach the light sensing area of the light sensing component only by forming a through hole on the FPC. The light sensing function is an important index for testing the process of a module factory, and 100% of the test is needed for shipment.
The light sensing component in the prior art is arranged on the FPC, so that after the FPC and the watch display module are assembled, the light sensing area of the light sensing component can be positioned at the bottom of the FPC before the FPC is attached to the back of the watch display module. However, the light sensing function of the light sensing element at the bottom of the FPC is difficult to test before the wristwatch display module leaves the factory.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provides a light sensing test fixture.
The aim of the utility model is realized by the following technical scheme:
A light sensation test fixture, comprising: the light sensing test fixture comprises a light sensing test fixture body, a watch display module to be tested is placed on the light sensing test fixture body, an FPC (flexible printed circuit) is bound on the watch display module, a light sensing component is packaged on the FPC, the light sensing component is located on one side of the FPC, which faces the light sensing test fixture body, and a test assembly for conveniently testing light sensing functions is arranged at the position of the light sensing component, opposite to the position of the light sensing component, of the light sensing test fixture body.
In one embodiment, the test assembly comprises a circular through hole formed in one side of the light sensing test jig body, which faces the light sensing component, and an LED lamp arranged in the circular through hole, wherein the LED lamp is positioned at the bottom of the light sensing test jig body, opposite to the circular through hole, and light of the LED lamp enters the light sensing area of the light sensing component through the circular through hole.
In one embodiment, the diameter of the circular through hole is 4mm, and the depth is 7.5mm.
In one embodiment, the light sensing test fixture body is provided with a limiting groove for accommodating the watch display module, the light sensing test fixture body is provided with accommodating grooves corresponding to two sides of the limiting groove, the limiting groove is communicated with the accommodating groove, and the watch display module is located in the limiting groove and the accommodating groove except for the FPC.
In one embodiment, the light sensing test fixture body is provided with a test fixture probe connected with the FPC, the test fixture probe is connected with one end of the FPC, which is far away from the watch display module, and the test fixture probe is communicated with the watch display module through the FPC.
In one embodiment, the FPC is provided with a quincuncial through hole at a position opposite to the light sensing element for allowing an external light source to enter the light sensing element.
In one embodiment, a PI reinforcing plate is disposed between the FPC and the light sensing component, and the PI reinforcing plate is disposed at a position corresponding to the quincunx through hole.
In one embodiment, the PI reinforcing plate is provided with a corresponding quincuncial light-sensing hole at a position corresponding to the quincuncial through hole.
In one embodiment, the watch display module is provided with a driving IC, and the driving IC is located at one side of the FPC.
In one embodiment, a protective film for protection is provided on the surface of the watch display module.
Compared with the prior art, the utility model has at least the following advantages:
According to the light sensing test jig, the light sensing test jig body and the test assembly are arranged to test the light sensing function of the light sensing component on the watch display module before delivery, the LED lamp of the test assembly is emitted into the light sensing area of the light sensing component through the circular through hole, and the FPC is connected with the test jig probe of the light sensing test jig body, so that the light sensing value of the light sensing component can be displayed in the display area of the watch display module, and whether the value is in a standard range or not is judged through software to determine whether the function of the light sensing component is normal or not.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described.
FIG. 1 is a schematic diagram of a light-sensitive test fixture according to the present utility model;
FIG. 2 is a schematic diagram of the back surface of a display module of a wristwatch in a light sensing test fixture according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a light-sensitive test fixture A-A according to the present utility model;
fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Description of the drawings: 10. a light sensing test fixture body; 11. a circular through hole; 12. an LED lamp; 13. a limit groove; 14. the accommodating groove; 15. testing a jig probe; 20. a watch display module; 30. an FPC; 31. quincuncial through holes; 40. a driving IC; 50. a protective film; 60. a light-sensitive element; 70. PI stiffening plate; 71. quincuncial light sensing holes.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings.
Referring to fig. 1, a light sensing test fixture comprises a light sensing test fixture body 10, a watch display module 20 to be tested is placed on the light sensing test fixture body 10, an FPC30 is bound on the watch display module 20, and the FPC30 is a flexible circuit board. The watch display module 20 is provided with a driving IC40, and the driving IC40 is positioned on one side of the FPC30 facing the watch display module 20. One end of the FPC30 is bound on the watch display module 20, the other end of the FPC30 is located outside the watch display module 20, and when the watch display module 20 is assembled, one end, far away from the watch display module 20, of the FPC30 needs to be bent towards one end of the back of the watch display module 20, so that the FPC30 is attached to the back of the watch display module 20. When the watch display module 20 is located on the light sensing test fixture body 10, the FPC30 is in a state of not being bent.
Referring to fig. 1, the watch display module 20 is circularly arranged, a protective film 50 for protection is attached to the surface of the watch display module 20, and a protective film tearing hand extends from one side of the protective film 50. The protective film tearing hand is used to facilitate tearing off of the protective film 50.
Referring to fig. 2, the rear surface of the fpc30 is provided with a light sensing element 60, and the light sensing element 60 is located at one side of the driving IC 40. The FPC30 has a quincuncial through hole 31 at a position corresponding to the light sensing element 60, and the quincuncial through hole 31 can enable an external light source to reach the light sensing area of the light sensing element 60.
Referring to fig. 2, a PI reinforcing plate 70 is attached between the fpc30 and the light sensing device 60, the PI reinforcing plate 70 is disposed at a position corresponding to the quincuncial through hole 31, and a corresponding quincuncial photosensitive hole 71 is formed at a position corresponding to the quincuncial through hole 31 of the PI reinforcing plate 70, so that light can enter the photosensitive region of the light sensing device 60.
Referring to fig. 2, after the FPC30 is assembled with the watch display module 20, when the handle display module 20 is placed on the light sensing test fixture body 10 for testing, the light sensing component 60 is located at one side of the FPC30 facing the light sensing test fixture body 10, the light sensing area of the light sensing component 60 is located on the surface of the light sensing test fixture body 10, and the light sensing test fixture body 10 covers the light sensing component 60, so that testing is difficult.
Referring to fig. 3 and 4, the light sensing test fixture body 10 is provided with a test assembly for facilitating light sensing function test with respect to the position of the light sensing component 60, and the test assembly includes a circular through hole 11 formed on the light sensing test fixture body 10 and an LED lamp 12 located in the circular through hole 11. The circular through hole 11 is opened with respect to the quincuncial through hole 31 position of the FPC30, the diameter of the circular through hole 11 is 4mm, and the depth is 7.5mm. The circular through hole 11 is located at one side of the light sensing test fixture body 10 facing the light sensing component 60, i.e. is communicated with the light sensing area of the light sensing component 60.
Referring to fig. 3 and 4, the LED lamp 12 is used for providing light, the LED lamp 12 is located at the bottom of the light sensing test fixture body 10 opposite to the circular through hole 11, and the light emitted by the LED lamp 12 can be emitted into the light sensing area of the light sensing component 60 through the circular through hole 11, so as to test the light sensing function of the light sensing component.
Referring to fig. 1, a limit groove 13 for accommodating a watch display module 20 is formed in a light sensing test fixture body 10, the limit groove 13 is formed in a circular arc shape, accommodating grooves 14 are formed in two sides of the light sensing test fixture body 10 opposite to the limit groove 13, the accommodating grooves 14 are communicated with the limit groove 13, and the watch display module 20 is accommodated in the limit groove 13 and the accommodating grooves 14 except for an FPC 30.
Referring to fig. 1, the FPC30 of the watch display module 20 is located on the light sensing test fixture body 10, one end of the FPC30 away from the watch display module 20 is connected with the test fixture probe 15, the test fixture probe 15 is connected with the FPC30, so that the watch display module 20 and the light sensing test fixture body 10 realize communication, when the LED lamp 12 irradiates the light sensing area of the light sensing element 60, the display area of the watch display module 20 can display the light sensing value of the light sensing element 60, and whether the value is within the standard range is determined to determine whether the function of the light sensing element 60 is normal.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model, which are within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A light sense test fixture, its characterized in that includes: the light sensing test fixture comprises a light sensing test fixture body (10), a watch display module (20) to be tested is placed on the light sensing test fixture body (10), an FPC (30) is bound on the watch display module (20), a light sensing component (60) is packaged on the FPC (30), the light sensing component (60) is located on one side of the FPC (30) towards the light sensing test fixture body (10), and a test assembly for conveniently testing light sensing functions is arranged at the position of the light sensing component (60) relative to the light sensing test fixture body (10).
2. The light sensing test fixture according to claim 1, wherein the test assembly comprises a circular through hole (11) formed in one side of the light sensing test fixture body (10) facing the light sensing component (60) and an LED lamp (12) placed in the circular through hole (11), the LED lamp (12) is located at the bottom of the light sensing test fixture body (10) opposite to the circular through hole (11), and light of the LED lamp (12) enters a light sensing area of the light sensing component (60) through the circular through hole (11).
3. A light sensation testing jig according to claim 2, characterized in that the diameter of the circular through hole (11) is 4mm and the depth is 7.5mm.
4. A light sensing test fixture according to claim 3, characterized in that a limit groove (13) for accommodating the watch display module (20) is formed in the light sensing test fixture body (10), accommodating grooves (14) are formed in two sides of the light sensing test fixture body (10) opposite to the limit groove (13), the limit groove (13) is communicated with the accommodating grooves (14), and positions of the watch display module (20) except for the FPC (30) are located in the limit groove (13) and the accommodating grooves (14).
5. The light sensing test fixture according to claim 4, wherein a test fixture probe (15) used for being connected with the FPC (30) is arranged on the light sensing test fixture body (10), the test fixture probe (15) is connected with one end, far away from the watch display module (20), of the FPC (30), and the test fixture probe (15) is communicated with the watch display module (20) through the FPC (30).
6. The light sensing test fixture according to claim 1, wherein the FPC (30) is provided with a quincunx through hole (31) for allowing an external light source to enter the light sensing component (60) at a position corresponding to the light sensing component.
7. The light sensing test fixture according to claim 6, wherein a PI reinforcing plate (70) is disposed between the FPC (30) and the light sensing component (60), and the PI reinforcing plate (70) is disposed at a position opposite to the quincuncial through hole (31).
8. The light sensation testing jig according to claim 7, wherein the PI reinforcing plate (70) is provided with corresponding quincuncial light-sensing holes (71) relative to the quincuncial through holes (31).
9. The light sensing test fixture according to claim 1, wherein a driving IC (40) is disposed on the watch display module (20), and the driving IC (40) is located at one side of the FPC (30).
10. The light sensation test fixture according to claim 1, characterized in that the surface of the watch display module (20) is provided with a protective film (50) for protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322905337.4U CN221376855U (en) | 2023-10-27 | 2023-10-27 | Light sense test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322905337.4U CN221376855U (en) | 2023-10-27 | 2023-10-27 | Light sense test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221376855U true CN221376855U (en) | 2024-07-19 |
Family
ID=91859285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322905337.4U Active CN221376855U (en) | 2023-10-27 | 2023-10-27 | Light sense test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221376855U (en) |
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2023
- 2023-10-27 CN CN202322905337.4U patent/CN221376855U/en active Active
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