CN210665346U

CN210665346U - Drop test fixture of cell-phone camera module

Info

Publication number: CN210665346U
Application number: CN201921408233.XU
Authority: CN
Inventors: 周晴
Original assignee: Jiangxi Holitech Technology Co Ltd
Current assignee: Jiangxi Holitech Technology Co Ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-06-02
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a drop test tool of cell-phone camera module, including epitheca and the inferior valve that is used for centre gripping cell-phone camera module, inferior valve demountable installation is provided with first recess on the epitheca, is provided with the second recess on the inferior valve, and the second recess sets up with first recess relatively, and the centre gripping of camera module is between first recess and second recess. Compare in current design, correspond first recess and the second recess that sets up on epitheca and inferior valve respectively, can fully simulate the environmental condition that real camera module was located, partly of camera module is arranged in first recess another part is arranged in the second recess, can receive the shearing force that the relative displacement of epitheca produced when falling the test, through the shape and the weight of presetting the epitheca, can simulate the drop test condition of camera module more accurately, the test effect is better.

Description

Drop test fixture of cell-phone camera module

Technical Field

The utility model relates to a mobile phone test equipment technical field, concretely relates to drop test fixture of cell-phone camera module.

Background

For consumer electronics, reliability requirements of products are higher and higher, and therefore, various mechanical reliability tests such as a drop test, a roller test, a micro-drop test and the like are performed on the products. In order to ensure that the produced products meet the requirements of reliability conditions, manufacturers need to perform a plurality of reliability tests before the products are shipped. However, because the products subjected to the reliability test cannot be sold on the market, if the complete machine product is used for testing each reliability test, huge waste is caused. Therefore, it is common practice to design some test jigs simulating the conditions of the whole machine to perform corresponding test experiments.

At present, the drop test requirement for the camera module in the mobile phone exists, the camera module is installed between the upper shell and the lower shell of the mobile phone under the actual condition, and the shearing force generated by the relative displacement of the upper shell and the lower shell of the mobile phone can be received besides the external impact force when the camera module drops. In the prior art, the drop test fixture for the camera module only puts the camera module in the fixture groove, and the simulation of the actual position of the camera module, the main stress distribution and other environmental conditions is not accurate, so that the drop test result is not ideal.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a drop test fixture for cell-phone camera module that simulation environment is more accurate, test effect is better.

The technical scheme of the utility model be, a drop test fixture of cell-phone camera module is provided, including epitheca and the inferior valve that is used for centre gripping cell-phone camera module, inferior valve demountable installation be in on the epitheca, be provided with first recess on the epitheca, be provided with the second recess on the inferior valve, the second recess with first recess sets up relatively, camera module centre gripping is in between first recess and the second recess.

The utility model discloses technical scheme's beneficial effect does: use epitheca and inferior valve to simulate respectively and be used for centre gripping cell-phone camera module's epitheca and lower casing, compare in current design, correspond first recess and the second recess that sets up on epitheca and inferior valve respectively, can fully simulate the environmental condition that real camera module was located, some of camera module is arranged in first recess another part is arranged in the second recess, can receive the shearing force that the relative displacement of epitheca produced about can when falling the test, through the shape and the weight of presetting the epitheca, can simulate the falling test condition of camera module more accurately, the test effect is better.

Further, the inner side surface of the first groove close to the left end of the upper shell and the inner side surface of the second groove close to the left end of the lower shell are kept coplanar.

Furthermore, a mainboard module used for simulating a mobile phone mainboard is fixed on the upper shell, a connector is installed on the mainboard module, and the connector is connected with the flexible circuit board of the camera module.

Furthermore, the main board module is fixed between the upper shell and the lower shell, a connector movable groove is formed in the lower shell, the connector is located in the connector movable groove, and the connector movable groove is communicated with the second groove.

Further, the upper shell and the lower shell are respectively and correspondingly provided with a plurality of groups of screw holes, and the drop test fixture further comprises a plurality of fixing screws matched with the screw holes.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a side view structure diagram of a drop test fixture for a mobile phone camera module according to the present invention;

fig. 2 is a top view structural diagram of the drop test fixture for the mobile phone camera module of the present invention;

fig. 3 is a partial structure diagram of a drop test fixture for a mobile phone camera module according to the present invention;

fig. 4 is the utility model relates to a drop test fixture's of cell-phone camera module part structure picture.

Wherein the reference numerals are:

1. the camera module comprises a camera module 2, an upper shell 3, a lower shell 4, a first groove 5, a second groove 6, a mainboard module 7, a connector 8, a flexible circuit board 9, a connector movable groove 10 and a fixing screw.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "fitted" are to be understood broadly, for example, the connection may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1-4, the utility model provides a drop test fixture of cell-phone camera module, including the epitheca 2 and the inferior valve 3 that are used for the camera module 1 of centre gripping cell-phone, inferior valve 3 demountable installation is provided with first recess 4 on the epitheca 2, is provided with second recess 5 on the inferior valve 3, and second recess 5 sets up with first recess 4 relatively, and camera module 1 centre gripping is between first recess 4 and second recess 5.

In this embodiment, use upper casing 2 and inferior valve 3 to simulate respectively and be used for centre gripping cell-phone camera module 1's upper casing and lower casing, compare in current design, correspond first recess 4 and the second recess 5 that sets up on upper casing 2 and inferior valve 3 respectively, can fully simulate the environmental condition that real camera module was located, a part of camera module 1 is arranged in first recess 4 another part is arranged in second recess 5, can receive the shearing force that the relative displacement of upper and lower shell produced when carrying out the drop test, through the shape and the weight of presetting the upper and lower casings, can simulate the drop test condition of camera module more accurately, the test effect is better.

In one embodiment, the inner side of first groove 4 near the left end of upper shell 2 is coplanar with the inner side of second groove 5 near the left end of lower shell 3. After designing like this, one side inside wall of first recess 4 and second recess 5 aligns, forms a complete plane, can not form the step and collide with the camera module in the inslot, and is also more true to actual conditions's simulation.

In another embodiment, a main board module 6 for simulating a main board of a mobile phone is fixed on the upper case 2, a connector 7 is mounted on the main board module 6, and the connector 7 is connected with the flexible circuit board 8 of the camera module 1. In the drop test of camera module, also there is the test demand to the FPC (Flexible Printed Circuit, the Flexible Circuit board is short for short) of camera module, and the FPC of camera can buckle repeatedly among the real condition, and one is because the camera head back-and-forth movement drives FPC and removes in the cavity, and its second is the mainboard drives the camera connector back-and-forth movement in the cell-phone, and camera connector drives FPC back-and-forth movement again. Therefore, testing of the FPC requires designing corresponding parts, positional relationships of the parts, and connection relationships in the jig. The main board module 6 simulates a mobile phone main board, and the connector 7 simulates a camera connector.

Further, in order to simulate the testing environment of the FPC more accurately, the main board module 6 is designed to be fixed between the upper case 2 and the lower case 3, the connector moving groove 9 is provided on the lower case 3, the connector 7 is located in the connector moving groove 9, and the connector moving groove 9 is communicated with the second groove 5, so that the moving space of the extended connector 7 is designed to avoid the connector 7 and the flexible circuit board 8 from being affected by the edge of the groove body.

As one of the detachable fixing modes, the upper shell 2 and the lower shell 3 are respectively and correspondingly provided with a plurality of groups of screw holes, and the drop test fixture further comprises a plurality of fixing screws 10 matched with the screw holes.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a drop test tool of cell-phone camera module, is including the epitheca and the inferior valve that are used for centre gripping cell-phone camera module, inferior valve demountable installation be in on the epitheca, its characterized in that: the camera module is characterized in that a first groove is formed in the upper shell, a second groove is formed in the lower shell, the second groove is opposite to the first groove, and the camera module is clamped between the first groove and the second groove.

2. The drop test fixture for the mobile phone camera module according to claim 1, characterized in that: the inner side surface of the first groove close to the left end of the upper shell and the inner side surface of the second groove close to the left end of the lower shell are kept coplanar.

3. The drop test fixture for the mobile phone camera module according to claim 1, characterized in that: the mobile phone comprises a camera module and is characterized in that a mainboard module used for simulating a mobile phone mainboard is fixed on the upper shell, a connector is mounted on the mainboard module, and the connector is connected with a flexible circuit board of the camera module.

4. The drop test fixture for the mobile phone camera module according to claim 3, characterized in that: the mainboard module is fixed between the upper shell and the lower shell, a connector movable groove is formed in the lower shell, the connector is located in the connector movable groove, and the connector movable groove is communicated with the second groove.

5. The drop test fixture for the mobile phone camera module according to claim 1, characterized in that: the upper shell and the lower shell are respectively and correspondingly provided with a plurality of groups of screw holes, and the drop test fixture further comprises a plurality of fixing screws matched with the screw holes.