CN216622543U - Camera module test fixture - Google Patents
Camera module test fixture Download PDFInfo
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- CN216622543U CN216622543U CN202123069217.2U CN202123069217U CN216622543U CN 216622543 U CN216622543 U CN 216622543U CN 202123069217 U CN202123069217 U CN 202123069217U CN 216622543 U CN216622543 U CN 216622543U
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Abstract
The utility model discloses a camera module test fixture which comprises a fixing part and a circuit part, wherein a test cavity used for clamping a camera module is arranged in the fixing part, and the circuit part is connected to the inside and the outside of the test cavity of the fixing part; the fixing part further comprises a heat dissipation block arranged in the test cavity. The camera module testing jig can dissipate heat of the camera module during testing.
Description
Technical Field
The present invention relates to a test fixture, and more particularly, to a test fixture for a camera module.
Background
The module of making a video recording needs to carry out multinomial test before production process and shipment to carry out the product management and control, screening yields and defective products, different test items need to use different test fixture.
Chinese patent document CN2019101148460 discloses a resistance test fixture for a camera module, which includes: the fixing part is used for fixing the camera module to be tested; the electric connection part comprises a first electric connection part and a second electric connection part, wherein the first electric connection part is used for being in electric contact with a first resistance value test point on the camera module to be tested, the second electric connection part is used for being in electric contact with a second resistance value test point on the camera module to be tested, and the first electric connection part and the second electric connection part are both arranged on the fixing part; and the external circuit is used for electrically connecting the first electric connecting piece and the second electric connecting piece to an external resistance value testing device for resistance value testing. The resistance value test fixture fixes the camera module to be tested through the fixing part so as to fix the relative position between the camera module to be tested and the first electric connecting piece and the second electric connecting piece on the fixing part, can prevent the camera module to be tested and the first electric connecting piece and the second electric connecting piece from generating relative position due to factors such as shaking, moving and the like in the test process, can ensure the stability of electric contact, enables the resistance value test to be more accurate and convenient, and ensures the product quality.
Above-mentioned resistance test fixture need be to the module circular telegram of making a video recording when using, and the module of making a video recording will generate heat after the circular telegram, and the generating heat can influence the resistance of the module of making a video recording, analytic power isoparametric, leads to the test result to appear the deviation, and arouse erroneous judgement, uniformity subalternation problem.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned deficiencies of the prior art, the present invention provides a testing fixture for a camera module, which can dissipate heat of the camera module during testing.
The technical problem to be solved by the utility model is realized by the following technical scheme:
a camera module test fixture comprises a fixing part and a circuit part, wherein a test cavity used for clamping a camera module is arranged in the fixing part, and the circuit part is connected to the inside and the outside of the test cavity of the fixing part; the fixing part further comprises a heat dissipation block arranged in the test cavity.
Furthermore, the fixing part comprises an upper testing die and a lower testing die which are arranged oppositely, and the upper testing die and the lower testing die can be opened and closed relatively; an upper groove body is formed in one side, facing the lower testing die, of the upper testing die, and a light through hole corresponding to a camera of the camera module is formed in the upper groove body; a lower groove body is formed in one side, facing the upper testing die, of the lower testing die, and the heat dissipation block is arranged in the upper groove body; and after the upper test die and the lower test die are covered, the upper groove body and the lower groove body jointly form the test cavity.
Further, the lower tank body comprises a first tank body and a second tank body which are communicated, the first tank body corresponds to the camera of the camera module, and the second tank body corresponds to the connector of the camera module.
Furthermore, a first pressing block and a second pressing block are arranged in the upper tank body, the first pressing block corresponds to the first tank body or a camera of the camera module, and the second pressing block corresponds to the second tank body or a connector of the camera module; and after the upper test die and the lower test die are covered, the first pressing block is pressed on the camera of the camera module, and the second pressing block is pressed on the connector of the camera module.
Furthermore, the first pressing block is arranged on the periphery of the light through hole of the upper groove body, and a communication hole axially communicated with the light through hole is also formed in the middle of the first pressing block; and the upper groove body is provided with a pressing block groove on one side of the light through hole, and the second pressing block is arranged in the pressing block groove.
Further, be provided with in the first cell body of lower cell body and be used for fixing between two parties the fixed frame of the camera of module of making a video recording, the radiating block is located the centre of fixed frame.
Further, the circuit portion includes a test board and a test circuit disposed on the test board, and the test board is disposed on the back surface of the fixing portion.
Furthermore, the test circuit comprises a test needle seat and a power supply needle seat which are arranged on one surface of the test board facing the fixing part, and the test needle seat and the power supply needle seat are electrically connected through the test board; the test needle seat is arranged in the test cavity and is used for being electrically connected with the connector of the camera module; the power supply needle seat is used for connecting an external power supply.
Furthermore, the test circuit also comprises a grounding pin seat and a module indicator light, wherein the grounding pin seat and the module indicator light are electrically connected with the test board; the grounding needle seat is electrically connected with the fixing part so as to perform grounding treatment on the fixing part; the module pilot lamp is used for right the module of making a video recording instructs, works as the connector of the module of making a video recording connect in when on the test needle file, can be lighted.
Further, still include the protection bottom plate, the protection bottom plate set up in the circuit portion back to on the one side of fixed part.
The utility model has the following beneficial effects: this test fixture through be in set up the radiating block in the test cavity of fixed part, the module of making a video recording by the centre gripping in the test cavity, with the radiating block contacts, utilizes the radiating block will the produced heat of module of making a video recording when the circular telegram is tested dispels, in order to avoid the module of making a video recording generates heat and produces the influence to the test result, reduces test article, improves test accuracy and uniformity.
Drawings
FIG. 1 is a schematic view of a camera module;
fig. 2 is a schematic covering view of the camera module testing fixture provided by the utility model;
fig. 3 is an opening schematic view of the camera module testing fixture provided by the utility model;
fig. 4 is a schematic diagram of a testing lower die and a circuit portion in the camera module testing fixture provided by the utility model.
Detailed Description
The utility model is described in detail below with reference to the drawings, wherein examples of the embodiments are shown in the drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the interconnection of two elements or through the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example one
As shown in fig. 2 and 3, a test fixture for a camera module 1 includes a fixing portion 2 and a circuit portion 3, wherein a test cavity for clamping the camera module 1 is disposed in the fixing portion 2, and the circuit portion 3 is connected to the inside and outside of the test cavity of the fixing portion 2; the fixing portion 2 further includes a heat dissipation block 220 disposed in the test cavity.
As shown in fig. 1, the camera module 1 includes two parts, i.e., a camera 11 and a connector 12, the camera 11 is mounted on a first PCB 13, the connector 12 is mounted on a second PCB 14, and the first PCB 13 is connected to the second PCB 14 through an FPC 15, so as to electrically connect the camera 11 to the connector 12. When testing, circuit part 3 with camera module 1's connector 12 electric connection, in order to pass through connector 12 to camera module 1's camera 11 sends test signal, drives camera 11 tests the shooting, then passes through connector 12 is followed camera module 1's camera 11 department receives image signal to supply the host computer to handle the analysis, in whole test process, camera module 1 can produce the heat, and then influences image signal.
This test fixture through be in set up the radiating block 220 in the test cavity of fixed part 2, module 1 of making a video recording by the centre gripping in the test cavity, with radiating block 220 contacts, utilizes radiating block 220 will module 1 of making a video recording produced heat when the circular telegram is tested dispels, in order to avoid module 1 of making a video recording generates heat and produces the influence to the test result, reduces test article, improves measuring accuracy and uniformity.
When the heat dissipation module is implemented, the heat dissipation block 220 may extend to the outside of the fixing portion 2 to transfer the heat of the camera module 1 to the outside for heat dissipation, or may extend to the heat dissipation element of the circuit portion 3 to transfer the heat of the camera module 1 to the heat dissipation element of the circuit board for heat dissipation, or may be directly connected to an external heat dissipation device to transfer the heat of the camera module 1 to the external heat dissipation device for heat dissipation.
The fixing part 2 comprises an upper testing die 21 and a lower testing die 22 which are arranged oppositely, and the upper testing die 21 and the lower testing die 22 can be opened and closed relatively.
In this embodiment, one end of the testing upper die 21 is hinged to the testing lower die 22, so that the testing upper die 21 can be covered on the testing lower die 22 in a rotating manner or opened; of course, it is understood by those skilled in the art that the relative opening and closing between the upper testing mold 21 and the lower testing mold 22 can be realized by other connecting means, such as clamping, shaft connection, etc., and the protection scope of the present invention should not be limited to the hinge connection.
An upper groove body 211 is formed in one side, facing the test lower die 22, of the test upper die 21, and a light through hole 212 corresponding to the camera 11 of the camera module 1 is formed in the upper groove body 211; a lower groove 221 is formed in one side of the test lower die 22 facing the test upper die 21, and the heat dissipation block 220 is arranged in the upper groove 211; after the upper testing die 21 and the lower testing die 22 are covered, the upper slot body 211 and the lower slot body 221 jointly form the testing cavity.
When the test device is used, the test upper die 21 is firstly opened, then the camera module 1 is placed in the lower groove body 221 of the test lower die 22 and is contacted with the heat dissipation block 220, then the test upper die 21 is covered, so that the camera module 1 is clamped in the test cavity formed by the upper groove body 211 and the lower groove body 221, and at the moment, the camera 11 of the camera module 1 is exposed from the light through hole 212 of the test upper die 21 to perform photographing test.
Because the main heat source of the camera module 1 is the first PCB 13 of the camera 11, the heat dissipation block 220 is preferably located at the bottom of the upper tank 211 to contact with the first PCB 13 of the camera 11.
Specifically, the lower tank 221 includes a first tank 221a and a second tank 221b that are communicated with each other, the first tank 221a corresponds to the camera 11 of the camera module 1, and the second tank 221b corresponds to the connector 12 of the camera module 1; when the camera module 1 is placed in the lower slot 221, the camera 11 of the camera module 1 is located in the first slot 221a, and the connector 12 of the camera module 1 is located in the second slot 221 b.
The upper tank body 211 corresponds to the first tank body 221a and the second tank body 221b, a first pressing block 213 and a second pressing block 214 are arranged in the upper tank body 211, the first pressing block 213 corresponds to the first tank body 221a or the camera 11 of the camera module 1, and the second pressing block 214 corresponds to the second tank body 221b or the connector 12 of the camera module 1; when the testing upper die 21 and the testing lower die 22 are covered, the first pressing block 213 is pressed on the camera 11 of the camera module 1, and the second pressing block 214 is pressed on the connector 12 of the camera module 1.
Specifically, the first pressing block 213 is disposed on the periphery of the light through hole 212 of the upper tank 211, and a communication hole axially communicated with the light through hole 212 is also formed in the middle of the first pressing block 213, so that the camera 11 of the camera module 1 is exposed for a photographing test; a pressing block groove is formed in one side of the light through hole 212 of the upper groove body 211, and the second pressing block 214 is arranged in the pressing block groove.
A fixed frame 222 for centrally fixing the camera 11 of the camera module 1 is arranged in the first groove 221a of the lower groove 221, and the heat dissipation block 220 is located in the middle of the fixed frame 222; when the camera 11 of the camera module 1 is placed in the second slot 221b, the camera 11 of the camera module 1 is centrally fixed in the fixing frame 222.
The circuit portion 3 includes a test board 31 and a test circuit disposed on the test board 31, wherein the test board 31 is disposed on the back surface of the fixing portion 2.
Example two
As an optimized solution of the first embodiment, as shown in fig. 4, the test circuit in this embodiment includes a test socket 32 and a power socket 33 disposed on a surface of the test board 31 facing the fixing portion 2, and the test socket 32 and the power socket 33 are electrically connected through the test board 31; the test pin seat 32 is arranged in the test cavity and is used for being electrically connected with the connector 12 of the camera module 1; the power supply needle holder 33 is used for accessing an external power supply.
Specifically, the test pin holder 32 is arranged in the second slot 221b, and when the camera module 1 is placed in the lower slot 221, the connector 12 of the camera module 1 is inserted into the test pin holder 32; when the test upper die 21 is covered on the test lower die 22, the second pressing block 214 presses the connector 12 of the camera module 1 to the test needle seat 32, so as to prevent the connector 12 of the camera module 1 from falling off during testing.
A power indicator lamp 330 is arranged in the power hub 33, and when the power hub 33 is connected to an external power source, the power indicator lamp can be lighted.
The two power indicator lamps 330 are used as a positive indicator lamp and a negative indicator lamp, each of the two power indicator lamps 330 includes a conductive block 332 and a lamp body 331, the conductive block 332 is disposed between the test board 31 and the power pin holder 33, the lamp body 331 is disposed on the conductive block 332, and the lamp body 331 is electrically connected to the test board 31 through the conductive block 332; the lamp body 331 is exposed through the power supply needle holder 33.
The conductive block 332 may be, but is not limited to, a copper block.
The test circuit further comprises a ground pin base 34 and a module indicator light 35, wherein the ground pin base 34 and the module indicator light 35 are electrically connected with the test board 31; the grounding pin base 34 is in contact with the fixing part 2 to perform grounding treatment on the fixing part 2; the module indicator light 35 is used for indicating the camera module 1, and when the connector 12 of the camera module 1 is connected to the test socket 32, the connector can be lighted.
The ground pin seat 34 set up in the test lower mould 22 and expose and be higher than the test lower mould 22 orientation the one side of mould 21 in the test, work as the mould 21 lid is fitted in the test on the lower mould 22, ground pin seat 34 with mould 21 contacts in the test.
The module indicator light 35 is disposed in the fixing frame 222 of the lower groove 221 and exposed on a surface of the fixing frame 222 facing the upper test die 21.
EXAMPLE III
As an optimized solution of the second embodiment, as shown in fig. 2-4, the test fixture in this embodiment further includes a protection bottom plate 4, where the protection bottom plate 4 is disposed on a surface of the circuit portion 3 opposite to the fixing portion 2 to support and protect the circuit portion 3.
The protection bottom plate 4 can be fixed on the test lower die 22 of the fixing part 2 through screws, welding or clamping and the like, so that the circuit part 3 can be clamped together with the test lower die 22.
Preferably, the protection base plate 4 is a metal base plate to perform a heat dissipation function on the circuit portion 3; the heat dissipation block 220 in the fixing portion 2 can be connected to the test board 31 to transfer the heat of the camera module 1 to the protection base plate 4 through the test board 31 for heat dissipation.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention and not for limiting the same, and although the embodiments of the present invention are described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the embodiments of the present invention, and these modifications or equivalent substitutions cannot make the modified technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (11)
1. A camera module test fixture comprises a fixing part and a circuit part, wherein a test cavity used for clamping a camera module is arranged in the fixing part, and the circuit part is connected to the inside and the outside of the test cavity of the fixing part; the test fixture is characterized in that the fixing part further comprises a heat dissipation block arranged in the test cavity.
2. The jig for testing a camera module according to claim 1, wherein the fixing portion comprises an upper testing mold and a lower testing mold which are oppositely arranged, and the upper testing mold and the lower testing mold can be opened and closed relatively; an upper groove body is formed in one side, facing the lower testing die, of the upper testing die, and a light through hole corresponding to a camera of the camera module is formed in the upper groove body; a lower groove body is formed in one side, facing the upper testing die, of the lower testing die, and the heat dissipation block is arranged in the upper groove body; and after the upper test die and the lower test die are covered, the upper groove body and the lower groove body jointly form the test cavity.
3. The camera module testing jig according to claim 2, wherein a first pressing block and a second pressing block are arranged in the upper tank body, the first pressing block corresponds to a camera of the camera module, and the second pressing block corresponds to a connector of the camera module; and after the upper test die and the lower test die are covered, the first pressing block is pressed on the camera of the camera module, and the second pressing block is pressed on the connector of the camera module.
4. The camera module testing jig of claim 2, wherein the lower tank comprises a first tank and a second tank which are communicated, the first tank corresponds to the camera of the camera module, and the second tank corresponds to the connector of the camera module.
5. The camera module testing jig of claim 4, wherein a first pressing block and a second pressing block are arranged in the upper tank body, the first pressing block corresponds to the first tank body, and the second pressing block corresponds to the second tank body; and after the upper test die and the lower test die are covered, the first pressing block is pressed on the camera of the camera module, and the second pressing block is pressed on the connector of the camera module.
6. The camera module testing jig according to claim 3 or 5, wherein the first pressing block is disposed on the periphery of the light through hole of the upper tank, and a communication hole axially communicated with the light through hole is also formed in the middle of the first pressing block; and the upper groove body is provided with a pressing block groove on one side of the light through hole, and the second pressing block is arranged in the pressing block groove.
7. The jig for testing camera modules according to claim 2, wherein a fixed frame for centrally fixing the camera of the camera module is provided in the first slot of the lower slot, and the heat dissipation block is located in the middle of the fixed frame.
8. The camera module testing fixture of claim 1, wherein the circuit portion comprises a testing board and a testing circuit disposed on the testing board, and the testing board is disposed on the back surface of the fixing portion.
9. The camera module testing jig of claim 8, wherein the testing circuit comprises a testing pin seat and a power pin seat which are arranged on one surface of the testing board facing the fixing portion, and the testing pin seat and the power pin seat are electrically connected through the testing board; the test needle seat is arranged in the test cavity and is used for being electrically connected with the connector of the camera module; the power supply needle seat is used for connecting an external power supply.
10. The camera module test fixture of claim 9, wherein the test circuit further comprises a ground pin base and a module indicator light, the ground pin base and the module indicator light being electrically connected to the test board; the grounding needle seat is electrically connected with the fixing part so as to perform grounding treatment on the fixing part; the module pilot lamp is used for right the module of making a video recording instructs, works as the connector of the module of making a video recording connect in when on the test needle file, can be lighted.
11. The camera module testing jig according to claim 1, further comprising a protection base plate, wherein the protection base plate is disposed on a surface of the circuit portion opposite to the fixing portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123069217.2U CN216622543U (en) | 2021-12-08 | 2021-12-08 | Camera module test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123069217.2U CN216622543U (en) | 2021-12-08 | 2021-12-08 | Camera module test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216622543U true CN216622543U (en) | 2022-05-27 |
Family
ID=81702231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123069217.2U Active CN216622543U (en) | 2021-12-08 | 2021-12-08 | Camera module test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216622543U (en) |
-
2021
- 2021-12-08 CN CN202123069217.2U patent/CN216622543U/en active Active
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