CN213693976U - Camera module testing device - Google Patents

Abstract

The utility model provides a camera module testing arrangement, which comprises an installation support, accredited testing organization and test support, the installing support includes the backup pad, the bottom suspension fagging, side frame and mounting panel, the side frame is connected between last backup pad and bottom suspension fagging, and the side frame is equipped with the opening, the mounting panel is connected on the side frame, and be located between backup pad and the bottom suspension fagging, be equipped with dirty stain detection mechanism on the mounting panel, accredited testing organization includes test fixture and test box, test fixture is used for bearing the camera module so that its and test box electric connection, accredited testing organization sets up in last backup pad or bottom suspension fagging, and can push in or take out through the opening, be equipped with resolution ratio detection mechanism on the test support, the installing support sets up on the test support, and resolution ratio detection mechanism is located the. The utility model provides a camera module testing arrangement can accomplish analytic power and dirty some tests through removing accredited testing organization, and it is convenient to use and improved efficiency of software testing.

Description

Camera module testing device

Technical Field

The utility model relates to a camera module detection area especially relates to a camera module testing arrangement.

Background

Along with the development of science and technology, camera module wide application is also higher to the quality requirement of camera module on electronic product such as smart mobile phone, monitoring device and computer, so need test and debug the camera when research and development.

At present, after the camera module is delivered to a client, the client needs to perform spot inspection on items such as analytic force and dirty points of the camera during feeding inspection. Because analytic power and dirty some test of dirt need the support to be used for installing light source, analytic power test card and test box etc. current camera module when the test, needs the installing support that interim equipment is used for placing the test box usually, and then need different installing support to the detection of different projects to place the test box, so complex operation, efficiency of software testing is not high.

In view of this, it is very urgent to develop a camera module testing apparatus which improves testing efficiency and is convenient to use, so as to meet the requirement of the camera module client for selective feeding inspection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a camera module testing arrangement can improve efficiency of software testing to it is convenient to use.

The utility model provides a camera module testing arrangement, include:

the mounting bracket comprises an upper supporting plate, a lower supporting plate, a side frame and a mounting plate, wherein the side frame is connected between the upper supporting plate and the lower supporting plate and is provided with an opening;

the testing mechanism comprises a testing jig and a testing box, the testing jig is used for bearing the camera module so as to enable the camera module to be electrically connected with the testing box, and the testing mechanism is arranged on the upper supporting plate or the lower supporting plate of the mounting bracket and can be pushed in and pulled out through the opening;

the test support is used for bearing the mounting support, and the test support is provided with a resolving power detection mechanism which is positioned above the mounting support.

Further, go up the backup pad with the bottom suspension fagging respectively with the side frame is perpendicular to be connected, go up the backup pad with the bottom suspension fagging is parallel and relative setting.

Further, the upper surface of going up the backup pad is equipped with first recess, the upper surface of bottom suspension fagging is equipped with the second recess, the opening is located first recess with the one end of second recess.

Further, the side frame comprises a first side plate, a second side plate and a third side plate, the first side plate and the second side plate are parallel and are arranged oppositely, and the third side plate is connected between the first side plate and the second side plate and is arranged oppositely to the opening. Further, the test support includes bottom plate and many stands, many the stand is followed the circumference interval of bottom plate sets up, just the bottom detachably of stand is connected on the bottom plate, many the top of stand forms jointly and is used for setting up analysis power detection mechanism's accommodation region.

Further, the mounting bracket is disposed at the center of the bottom plate.

Furthermore, the inner side of the top end of the upright column is recessed downwards to form a step structure for arranging the analytic force detection mechanism.

Furthermore, the step structure comprises a bearing part and a limiting part which are vertically connected, the bottom of the analysis force detection mechanism is arranged on the bearing part, and the side wall of the analysis detection mechanism is abutted against the limiting part.

Further, analytic power detection mechanism is including big light source board, resolution ratio test card and the resolution ratio test card mounting panel of superpose from top to bottom in proper order, the bottom setting of resolution ratio test card mounting panel is in on the load-bearing part.

Further, the test support still includes a plurality of handle, and a plurality of the handle sets up along the circumference interval of bottom plate.

The utility model provides a camera module testing arrangement includes test support, installing support and accredited testing organization, the last resolution ratio detection mechanism that is equipped with of test support, the installing support sets up on test support, and resolution ratio detection mechanism is located the installing support top, the installing support includes the backup pad, the side frame of lower backup pad and connection between last backup pad and lower support plate, and connect on the side frame and lie in the mounting panel between backup pad and the lower support plate, be equipped with dirty some accredited testing organization on the mounting panel, the side frame is equipped with the opening, accredited testing organization sets up on last backup pad or lower support plate, and can push or take out through the opening, the utility model provides a camera module testing arrangement can accomplish analytic power and dirty some testings through removing accredited testing organization, and it is convenient and improved efficiency of software testing.

Drawings

Fig. 1 is a schematic structural diagram of a camera module testing device in an embodiment of the present invention;

fig. 2 is a schematic structural view of a mounting bracket according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a test rack according to an embodiment of the present invention;

fig. 4 is a schematic view of a split structure of the analytic force detection mechanism in the embodiment of the present invention;

fig. 5 is a schematic diagram of the position switching of the testing mechanism on the mounting bracket according to the embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 5, the embodiment of the utility model provides a camera module testing arrangement, including installing support 1, accredited testing organization 2 and test support 3, be equipped with dirty stain detection mechanism 4 on installing support 1, accredited testing organization 2 sets up on installing support 1, and installing support 1 sets up on test support 3, is equipped with analytic power detection mechanism 5 on test support 3, and analytic power detection mechanism 5 is located installing support 1 top to test the camera module.

Specifically, referring to fig. 2, the mounting bracket 1 includes an upper support plate 11, a lower support plate 12, a side frame 13 and a mounting plate 14, the side frame 13 is connected between the upper support plate 11 and the lower support plate 12, a side surface of the side frame 13 is provided with an opening 130, the mounting plate 14 is connected to the side frame 13 and is located between the upper support plate 11 and the lower support plate 12, and the dirty point detecting mechanism 4 is fixed at the bottom of the mounting plate 14 by screws. Dirty stain detection mechanism 4 specifically adopts little light source board, for example for the white ya keli board of making the light emitting source with the LED lamp for provide white scene, whether cooperation accredited testing organization 2 has dirty some to detect to the camera lens of camera module.

The testing mechanism 2 comprises a testing jig 21 and a testing box 22, the testing jig 21 is arranged on the testing box 22, the testing jig 21 is used for bearing and positioning the camera module, the electrical connection between the camera module and the testing box 22 is realized through a probe, and the testing box 22 is used for testing data acquisition and transmitting the acquired data to a testing computer. The testing mechanism 2 is arranged on the upper supporting plate 11 or the lower supporting plate 12 to perform tests of different items, for example, the testing mechanism is arranged on the upper supporting plate 11 to perform analysis force tests corresponding to the camera module; the setting is at backup pad 12 down, corresponds the camera module and carries out dirty some tests. It is worth mentioning that the resolution test is used for testing the resolution definition of the camera module, and the dirty point test is used for testing the black point dirty condition of the camera module. The testing mechanism 2 can be pushed in and pulled out through the opening 130, and the camera module can utilize the same mounting bracket 1 to complete the testing of two items of resolving power and dirt only by moving the testing box 22, so that the operation is simple, and the use is convenient.

Go up backup pad 11 and bottom suspension fagging 12 and be connected with side frame 13 is perpendicular respectively, go up backup pad 11 and bottom suspension fagging 12 parallel and relative setting, go up backup pad 11, bottom suspension fagging 12 and side frame 13 and enclose the synthetic holding chamber that is used for placing accredited testing organization 2.

The upper surface of the upper supporting plate 11 is provided with a first groove 111, that is, the first groove 111 is an upper groove of the mounting bracket 1, the upper surface of the lower supporting plate 12 is provided with a second groove 121, the second groove 121 is a lower groove of the mounting bracket 1, the opening 130 is located at one end of the first groove 111 and one end of the second groove 121, and a tester can push the testing mechanism 2 into the first groove 111 or the second groove 121 through the opening 130 to perform a test on a corresponding item. After testing one item, the testing mechanism 2 may be withdrawn through the opening 130 and placed in another recess to test a second item.

Wherein the first groove 111 and the second groove 121 have a size matched with that of the test cartridge 22 to limit the test cartridge 22. As can be understood, the upper surface of the upper support plate 11 is a side surface away from the mounting plate 14, and the first groove 111 is formed by the upper surface of the upper support plate 11 being recessed toward the lower surface; the upper surface of the lower support plate 12 is a side surface adjacent to the mounting plate 14, and the second groove 121 is formed by recessing the upper surface of the lower support plate 12 toward the lower surface. When the cartridge 22 is placed on the upper support plate 11, the analysis force detection mechanism 5 faces the cartridge 22, and when the cartridge 22 is placed on the lower support plate 12, the contamination point detection mechanism 4 faces the cartridge 22.

Further, the side frame 13 includes a first side plate 131, a second side plate 132 and a third side plate (not shown), the first side plate 131 and the second side plate 132 are parallel and opposite to each other, the third side plate is perpendicularly connected between the first side plate 131 and the second side plate 132 and located at one side of the first side plate 131 and the second side plate 132, and the third side plate is opposite to the opening 130.

The test support 3 includes a bottom plate 31 and a plurality of columns 32, the plurality of columns 32 are arranged along the circumferential direction of the bottom plate 31 at intervals, and the columns 32 are used for supporting the analysis force detection mechanism 5. The bottom of stand 32 passes through screw detachably and connects on bottom plate 31, when needing long-distance transport, can dismantle stand 32 and transport, has saved the space, and the cost of transportation has also been practiced thrift in convenient transportation.

The bottom plate 31 is a rectangular structure, at least one upright column 32 is installed at a position close to each side edge of the bottom plate 31, namely, in four side edges of the bottom plate 31, at least one upright column 32 can be installed at each side edge, the height of each upright column 32 is the same, the upright columns are vertically arranged on the bottom plate 31, and the top ends of the upright columns 32 jointly form an accommodating area for arranging the analytic force detection mechanism 5.

Further, a step structure 320 for installing the analysis force detection mechanism 5 is recessed downward from the inside of the top end of the upright column 32, and the step structures 320 of the upright columns 32 on the opposite sides are also arranged opposite to each other. The column 32 is made of a metal plate material, and has a certain elasticity, so that the column can adapt to the dimensional tolerance of the analytic force detection mechanism 5.

In this embodiment, the number of the upright columns 32 is eight, the column shape is a rectangular parallelepiped, two upright columns 32 are installed at any side of the rectangular bottom plate 31, wherein the two upright columns 32 are respectively disposed at two ends of the side of the bottom plate 31, that is, two upright columns 32 are disposed at each top corner of the bottom plate 31.

The step structure 320 includes a bearing portion 321 and a limiting portion 322 which are vertically connected, that is, the bearing portion 321 is a bottom wall of the step structure 320, the limiting portion 322 is a side wall of the step structure 320, the bottom wall of the step structure 320 is parallel to the horizontal direction, and the side wall of the step structure 320 is parallel to the vertical direction. The bottom of the analysis force detection mechanism 5 is disposed on the bearing portion 321, the sidewall of the analysis detection mechanism abuts against the limiting portion 322, the step structure 320 plays a role in supporting and limiting, and the limiting portion 322 and the bearing portion 321 respectively limit the movement of the analysis force detection mechanism 5 in the horizontal direction (X direction) and the vertical direction (Y direction).

Further, the mounting bracket 1 is arranged at the center of the bottom plate 31, so that the center of the lens of the camera module is ensured to be at the center of the bottom plate 31 of the test bracket 3, and the precision deviation during the analysis force test is avoided.

Specifically, referring to fig. 4, the resolution force detection mechanism 5 includes a large light source plate 51, a resolution test card 52 and a resolution test card mounting plate 53 stacked in sequence from top to bottom, the bottom of the resolution test card mounting plate 53 is disposed on the bearing portion 321, the resolution test card mounting plate 53 is used for placing the resolution test card 52, and the resolution test card 52 is disposed between the large light source plate 51 and the resolution test card mounting plate 53. When the resolving force detecting mechanism 5 is placed on the pillar 32, the upper surface of the large light source plate 51 is flush with the upper surface of the pillar 32.

The large light source board 51 is used for providing backlight for the resolution test card 52 in the analytic force test; the resolution test card 52 is also called resolution analysis card, is used for testing the analysis force of the camera module, and is generally formed by printing transparent hard adhesive paper with the thickness of 0.1 mm; the resolution test card mounting plate 53 is made of organic glass material, so that compared with the prior art which adopts glass material, the weight is reduced, and the potential safety hazard that the glass plate is easy to break in the mounting and carrying processes is eliminated

When the resolution test card 52 needs to be replaced, the resolution test card 52 can be replaced only by detaching the resolution detection mechanism 5 from the test bracket, for example, after the resolution detection mechanism 5 is detached, the original resolution test card 52 is detached from the resolution test card mounting plate 53, the new resolution test card 52 is mounted on the resolution test card mounting plate 53, and finally, the large light source plate 51 is mounted on the new resolution test card 52, so that the replacement of the resolution test card 52 can be realized, and the operation is convenient. When carrying, can take out analytic force detection mechanism 5 from test support 3 top for it is more convenient to carry.

Preferably, in order to fix the analysis force detection mechanism 5 to the upright 32 more firmly, a screw hole (not shown) may be formed in the limit portion 322 of the step structure 320 of the upright 32, the screw hole may penetrate through the sidewall of the step structure, and a screw may be installed as needed to fix the analysis force detection mechanism 5 to the upright 32. The camera module testing device of this embodiment mutually cooperates through the stair structure 320 at eight stand 32 tops, has formed the accommodation region who is used for setting up analytic power detection mechanism 5 jointly.

The outside of stand 32 still is equipped with the backup pad, and backup pad one end is fixed on bottom plate 31, and the other end extends to the position that is close to the middle part of stand 32 along the length direction of stand 32, and the backup pad provides stand 32 holding power, has improved stand 32's stability.

In this embodiment, the whole test support 3 is made of black bakelite, the weight of the support can be reduced by using the black bakelite material, the total weight of the support can be less than 20kg, and meanwhile, the test is prevented from being influenced by reflection of light due to the black color.

In this embodiment, the test rack 3 further includes four handles 33, and the four handles 33 are arranged along the circumferential direction of the bottom plate 31 at intervals, so as to facilitate moving and carrying. Specifically, the handle 33 is disposed at a top corner of the bottom plate 31, but not limited thereto.

When the camera module is tested, preparation before testing is firstly carried out, the testing support 3 is placed on a desktop, the resolution testing card 52 is placed on the resolution testing card mounting plate 53 positioned on the upright column 32, the large light source plate 51 is placed above the resolution testing card 52, the testing box 22 is connected with a computer through a data line, all light sources are connected with a power supply, and the analysis force testing and the dirty point testing can be started after the preparation.

Referring to fig. 5, when performing the analysis force test, the camera module to be tested is placed in the test fixture 21, the test box 22 is pushed into the first groove 111 of the mounting bracket 1, and then the analysis force test program is run on the test computer, so as to perform the test.

When the dirty spot test is performed, the test box 22 is drawn out from the first groove 111 of the mounting bracket 1, the test box 22 is pushed into the second groove 121 of the mounting bracket 1, and then the dirty spot test program is run on the test computer, so that the test can be performed.

The test sequence of above-mentioned two test items can be exchanged, only need during the test to push test box 22 and take out can fix a position test box 22, convenient operation, only need take out test box 22 from a recess in addition and put into another recess again, can realize the switching between analytic power test and dirty point test. For the specific analysis and the dirty spot testing procedure, please refer to the prior art, and the detailed description is omitted here.

The utility model provides a camera module testing arrangement can accomplish analytic power and dirty some tests through removing the position of accredited testing organization 2 on installing support 1, uses conveniently and has improved efficiency of software testing, and simultaneously, 3 light in weight of test support, the transport is convenient, has reduced handling cost.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A camera module testing arrangement, characterized by, includes:

the mounting bracket (1) comprises an upper supporting plate (11), a lower supporting plate (12), a side frame (13) and a mounting plate (14), wherein the side frame (13) is connected between the upper supporting plate (11) and the lower supporting plate (12), the side frame (13) is provided with an opening (130), the mounting plate (14) is connected to the side frame (13) and is positioned between the upper supporting plate (11) and the lower supporting plate (12), and a dirty point detection mechanism (4) is arranged on the mounting plate (14);

the testing mechanism (2), the testing mechanism (2) includes a testing jig (21) and a testing box (22), the testing jig (21) is used for bearing the camera module to enable the camera module to be electrically connected with the testing box (22), and the testing mechanism (2) is arranged on the upper supporting plate (11) or the lower supporting plate (12) of the mounting bracket (1) and can be pushed in and pulled out through the opening (130);

the test support (3), test support (3) are used for bearing installing support (1), be equipped with analytic power detection mechanism (5) on test support (3), analytic power detection mechanism (5) are located installing support (1) top.

2. The camera module testing device according to claim 1, wherein the upper supporting plate (11) and the lower supporting plate (12) are respectively connected to the side frames (13) perpendicularly, and the upper supporting plate (11) and the lower supporting plate (12) are arranged in parallel and opposite to each other.

3. The camera module testing device according to claim 2, wherein the upper surface of the upper support plate (11) is provided with a first groove (111), the upper surface of the lower support plate (12) is provided with a second groove (121), and the opening (130) is located at one end of the first groove (111) and the second groove (121).

4. The camera module testing device according to claim 3, wherein the side frame (13) comprises a first side plate (131), a second side plate (132), and a third side plate, the first side plate (131) and the second side plate (132) being parallel and disposed opposite to each other, and the third side plate being connected between the first side plate (131) and the second side plate (132) and disposed opposite to the opening (130).

5. The camera module testing device according to any one of claims 1 to 4, wherein the testing frame (3) comprises a bottom plate (31) and a plurality of columns (32), the plurality of columns (32) are arranged at intervals along the circumferential direction of the bottom plate (31), the bottom ends of the columns (32) are detachably connected to the bottom plate (31), and the top ends of the plurality of columns (32) jointly form a containing area for arranging the analytic force detection mechanism (5).

6. Camera module testing device according to claim 5, characterized in that the mounting bracket (1) is arranged in the center of the base plate (31).

7. The camera module testing device according to claim 5, wherein a step structure (320) for arranging the resolving force detecting mechanism (5) is recessed downward from an inside of a top end of each of the pillars (32).

8. The camera module testing device according to claim 7, wherein the step structure (320) comprises a bearing portion (321) and a limiting portion (322) which are vertically connected, a bottom of the resolving force detecting mechanism (5) is disposed on the bearing portion (321), and a side wall of the resolving force detecting mechanism abuts against the limiting portion (322).

9. The testing device of claim 8, wherein the resolution force detecting mechanism (5) comprises a large light source plate (51), a resolution test card (52) and a resolution test card mounting plate (53) stacked from top to bottom, and the bottom of the resolution test card mounting plate (53) is disposed on the bearing portion (321).

10. The camera module testing device according to claim 5, wherein the test stand (3) further comprises a plurality of handles (33), the plurality of handles (33) being arranged at intervals in a circumferential direction of the base plate (31).

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