CN216930202U

CN216930202U - Large wide-angle functional test light box

Info

Publication number: CN216930202U
Application number: CN202220659789.1U
Authority: CN
Inventors: 梁盛
Original assignee: Shenzhen Yuzhuoguang Electronic Device Co ltd
Current assignee: Shenzhen Yuzhuoguang Electronic Device Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-07-08
Anticipated expiration: 2032-03-24

Abstract

The application relates to a large wide-angle functional test light box, which comprises a frame, an XYZ displacement platform and a light source plate, wherein the XYZ displacement platform is arranged on the frame; the plurality of light source boards are arranged above the XYZ displacement platform; the XYZ displacement platform is used for fixing the lens; the test support is in an arc shape and can extend to a horizontal plane where the XYZ displacement platform is located; a plurality of light source boards set up on test support, and the vertical distance between a plurality of light source boards and the XYZ displacement platform is not completely unanimous. This application has the effect that makes the test light box can carry out the visual field test to big wide-angle lens.

Description

Large wide-angle functional test light box

Technical Field

The application relates to the technical field of test light boxes, in particular to a large wide-angle function test light box.

Background

The adjustment of lens focal length in the camera module is accurate, is an important production process for guaranteeing the definition of the camera, and in order to improve the speed of the lens focal length adjustment process, the camera module with better quality can be produced at the same time, so the adjustment process can be carried out by using a special test light box.

In the related art, the test light box includes a frame, an XYZ stage, and a light source board, the frame has a tabletop portion and a top portion, the XYZ stage is disposed on the tabletop portion, and the XYZ stage is used for fixing the lens; the light source boards are arranged on the top face portion, and therefore the light source boards at different positions can perform view field tests on the lenses with different view angles.

Aiming at the related technologies, the defect that the position of the light source plate in the test light box can only change on the plane where the top surface part is located exists, so that the marginal field of view of the large wide-angle lens module cannot be measured exists.

SUMMERY OF THE UTILITY MODEL

In order to make the test light box can carry out the field of view test to big wide-angle lens, this application provides a big wide-angle functional test light box.

The application provides a big wide angle functional test light box adopts following technical scheme:

a large wide-angle functional test light box comprises a frame, an XYZ displacement platform and a light source plate, wherein the XYZ displacement platform is arranged on the frame; the plurality of light source boards are arranged and are positioned above the XYZ displacement platform; the XYZ displacement platform is used for fixing the lens; the test rack is in a circular arc shape and can extend to a horizontal plane where the XYZ displacement platform is located; the plurality of light source boards are arranged on the test support, and the vertical distances between the plurality of light source boards and the XYZ displacement platform are not completely consistent.

By adopting the technical scheme, the test support is in the shape of a circular arc and can extend to the horizontal plane where the XYZ displacement platform is located, so that the plurality of light source boards can be respectively arranged at different positions of the test support to change the vertical distance between the light source boards and the XYZ displacement platform, and meanwhile, the light source boards can be arranged at the position, close to the plane where the XYZ displacement platform is located, of the test support, so that the test light box can carry out field test on a large wide-angle lens (the field angle is between 100 degrees and 180 degrees).

Preferably, the plane where the test support is located is perpendicular to the horizontal plane, the central angle range of the test support is 90 degrees, the test supports are provided in plurality, and the upper ends of the test supports are connected with each other; the plurality of light source boards comprise a fixed part and a plurality of movable parts, and the fixed part is arranged at the position farthest from the XYZ displacement platform; the movable part is connected to the test support in a sliding mode through the first connecting piece, and the vertical distance between the movable part and the XYZ displacement platform can be changed.

Through adopting above-mentioned technical scheme, on the one hand, the mode that sets up of test support and fixed part, then fix the back on XYZ displacement platform with the camera lens, the accessible fixed part finely tunes the position of camera lens, thereby make the camera lens be located the central point department of a plurality of test support lower extremes, on the other hand, the movable part passes through the mode that first connecting piece slided and sets up on the test support, then can correspond the position of change movable part on the test support according to the demand of test, with the vertical distance between change movable part and the XYZ displacement platform, thereby can carry out the field test to the camera lens of different field angles.

Preferably, the first connecting piece comprises a first connecting plate and a locking assembly, the first connecting plate is fixedly connected with the movable part, and the first connecting plate is provided with a sliding hole for the test support to slidably penetrate through; the locking assembly is arranged on the first connecting plate and used for enabling the first connecting plate to be fixed on the test support.

Through adopting above-mentioned technical scheme, when will changing the vertical distance between movable part and the XYZ displacement platform, earlier make first connecting plate and test support unblock through locking Assembly, remove the position of movable part through the cooperation between sliding hole and the test support after that, when treating that the movable part removes suitable position, then on locking first connecting plate on the test support through locking Assembly to just reach the purpose of changing the vertical distance between fly leaf and the test support.

Preferably, the locking assembly comprises a first bolt, the first bolt is in threaded connection with the first connecting plate, a screw of the first bolt can be abutted against the test support, and a nut of the first bolt is located on an outer ring of the first connecting plate.

Through adopting above-mentioned technical scheme, compare in the mode that will lock first connecting plate on the test support through the bolt, this kind of design, what lock supports through first bolt and test support and tightly realizes, so the position of movable part on the test support can be more diversified to test the light box and can carry out the visual field test to the lens more accurately.

Preferably, the locking assembly comprises a connecting rack, a rotating shaft, a connecting gear and a driving piece, and the connecting rack is arranged on the arc surface of the test bracket; the rotating shaft is rotatably arranged on the inner wall of the sliding hole in a penetrating manner; the connecting gear is fixedly sleeved on the rotating shaft and meshed with the connecting rack; the driving part is arranged on the first connecting plate and used for driving the rotating shaft to rotate.

Through adopting above-mentioned technical scheme, when will changing the vertical distance between movable part and the XYZ displacement platform, start the driving piece earlier and make the pivot take place to rotate, at this in-process, the connecting gear can rotate, simultaneously again through the cooperation between connecting gear and the connecting gear, the movable part just can move along the extending direction of test support, treat that the movable part moves to suitable position, close the driving piece again after that, rotate with stopping the connecting gear, simultaneously again through the cooperation between connecting gear and the connecting rack, the movable part just can be static on predetermined position, thereby just reach the purpose that changes the vertical distance between movable part and the XYZ displacement platform.

Preferably, the driving member comprises an extension shaft, a driven worm wheel, an installation frame and a driving worm, the extension shaft is rotatably arranged on the first connecting plate in a penetrating manner, one end of the extension shaft is fixedly connected with the rotating shaft, and the other end of the extension shaft is positioned outside the sliding hole; the driven worm wheel is fixedly sleeved on one end of the extension shaft outside the sliding hole; the mounting rack is arranged on the outer wall of the first connecting plate; the driving worm is rotatably connected to the mounting frame, and the driving worm is meshed with the driven worm wheel.

Through adopting above-mentioned technical scheme, when installing on the test support because of the movable part, the gravity of movable part can let self have the trend of lapse, so the driving piece promotes the stability that the movable part was fixed on the test support through the auto-lock nature between driven worm wheel and the drive worm to when the test light box received external environment influence, the movable part also can keep on predetermined position relatively steadily.

Preferably, a second connecting member is provided between the first connecting plate and the movable portion, and the second connecting member is used for changing a radial distance between the movable portion and the XYZ displacement table.

Through adopting above-mentioned technical scheme, because of the setting of second connecting piece, then the radial distance between movable part and the XYZ displacement platform just can change to before carrying out the visual field test work, can adjust the radial distance between movable part and the camera lens again, and then promote the accuracy of visual field test work.

Preferably, the second connecting piece comprises a second connecting plate and a second bolt, the second connecting plate is arranged at one end, far away from the mounting frame, of the first connecting plate, the second connecting plate is fixedly connected with the movable part, and a kidney-shaped adjusting hole is formed in the second connecting plate; the second bolt is in threaded connection with the first connecting plate, the second bolt penetrates through the adjusting hole in a sliding mode, and a nut of the second bolt can abut against the surface of one side, far away from the first connecting plate, of the second connecting plate.

Through adopting above-mentioned technical scheme, when will changing the radial distance between movable part and the XYZ displacement platform, rotate the second bolt earlier so that the nut of second bolt breaks away from the butt with the second connecting plate, follow the length direction removal second connecting plate of adjustment hole afterwards, when treating that the movable part removes to suitable position, then rotate the second bolt so that the nut of second bolt and second connecting plate butt to just can change the radial distance between movable part and the XYZ displacement platform.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the test support is in an arc shape and can extend to the horizontal plane where the XYZ displacement platform is located, so that the plurality of light source boards can be respectively installed at different positions of the test support to change the vertical distance between the light source boards and the XYZ displacement platform, and meanwhile, the light source boards can also be installed at the position, close to the plane where the XYZ displacement platform is located, of the test support, so that the test light box can perform field test on a large wide-angle lens (the field angle is between 100 and 180 degrees);

2. through the arrangement of the first connecting piece, the position of the movable part on the test support can be correspondingly changed according to the test requirement, so that the vertical distance between the movable part and the XYZ displacement platform can be changed, and the field test can be performed on the lenses with different field angles;

3. through the setting of second connecting piece, then the radial distance between movable part and the XYZ displacement platform just can change to when carrying out visual field test work, can adjust the radial distance between movable part and the camera lens again, and then promote visual field test work's accuracy.

Drawings

Fig. 1 is a schematic structural diagram of a functional test light box in embodiment 1 of the present application.

Fig. 2 is a schematic diagram of a first connecting member and a second connecting member in embodiment 1 of the present application.

Fig. 3 is a schematic diagram of the locking assembly according to the embodiment 2 of the present application.

Description of reference numerals: 1. a frame; 11. a tabletop section; 2. an XYZ displacement stage; 3. a light source plate; 31. a fixed part; 32. a movable portion; 4. testing the bracket; 5. a first connecting member; 51. a first connecting plate; 511. a slide hole; 52. a locking assembly; 521. a first bolt; 522. connecting the racks; 523. a rotating shaft; 524. a connecting gear; 525. an extension shaft; 526. a driven worm gear; 527. a mounting frame; 528. a drive worm; 6. a second connecting member; 61. a second connecting plate; 611. an adjustment hole; 62. a second bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses big wide angle functional test light box.

Example 1

Referring to fig. 1, the large wide-angle functional test light box comprises a frame 1, an XYZ displacement platform 2, a test support 4 and a light source plate 3, wherein the frame 1 is integrally built by an aluminum profile, the frame 1 is generally cuboid, and the frame 1 is further provided with a tabletop 11; the XYZ displacement platform 2 is arranged on the desktop part 11, and a lens module testing fixture is further arranged on the XYZ displacement platform 2, so that a lens can be fixed on the XYZ displacement platform 2; the test support 4 is the circular arc shape that central angle is 90, and the test support 4 is provided with a plurality ofly, and the plane that a plurality of test supports 4 belonged to is mutually perpendicular with the horizontal plane, and wherein the lower extreme of a plurality of test supports 4 is fixed connection respectively on the different positions of desktop portion 11, and the upper end of a plurality of test supports 4 then is fixed connection each other together, and the upper end of a plurality of test supports 4 is located XYZ displacement platform 2 directly over simultaneously.

Referring to fig. 1, a plurality of light source boards 3 are provided, the plurality of light source boards 3 are divided into a fixed portion 31 and a plurality of movable portions 32, the fixed portion 31 is fixedly connected to the upper ends of the plurality of test holders 4, the plurality of movable portions 32 are provided in groups of two, the plurality of movable portions 32 are respectively mounted on the plurality of test holders 4, and the vertical distances between the two movable portions 32 of one group and the XYZ displacement platform 2 are different, and the two movable portions 32 of one group can be mounted on different positions of the test holder 4 along the direction of the test holder 4, so that the movable portions 32 can be mounted at positions of the test holder 4 close to the tabletop 11, thereby enabling the test light box to perform field test on a large wide-angle lens (field angle is between 100 ° and 180 °).

Referring to fig. 1 and 2, a first connecting piece 5 is arranged between the movable part 32 and the test rack 4, and the movable part 32 can slide along the extending direction of the test rack 4 through the first connecting piece 5, specifically, the first connecting piece 5 includes a first connecting plate 51 and a locking component 52, a rectangular sliding hole 511 is formed in the first connecting plate 51, and the sliding hole 511 is used for the test rack 4 to slide through; the locking assembly 52 includes a first bolt 521, the first bolt 521 is screwed on the first connecting plate 51, wherein a screw of the first bolt 521 can abut against an outer arc surface of the test bracket 4, and a nut of the first bolt 521 is located at an outer ring of the first connecting plate 51, so when a vertical distance between the movable portion 32 and the XYZ displacement platform 2 needs to be changed, the first bolt 521 is first rotated to disengage the first bolt 521 from the test bracket 4, and then the position of the movable portion 32 can be moved along the extending direction of the test bracket 4, and when the movable portion 32 moves to a proper position, the first bolt 521 is then rotated to abut against the test bracket 4, so that the position of the movable portion 32 can be changed, and the purpose of performing stepless adjustment on the position of the movable portion 32 can be achieved.

Referring to fig. 1 and 2, a second connecting member 6 is disposed between the first connecting plate 51 and the movable portion 32, specifically, the second connecting member 6 includes a second connecting plate 61 and a second bolt 62, the second connecting plate 61 is connected to a side surface of the first connecting plate 51 parallel to the plane of the test rack 4, a waist-round adjusting hole 611 is formed in the second connecting plate 61, and the length direction of the adjusting hole 611 is parallel to the radial direction of the test rack 4; the second bolt 62 is screwed on the first connecting plate 51, the second bolt 62 is further slidably inserted into the adjusting hole 611, and meanwhile, the nut of the second bolt 62 can be abutted against one side surface of the second connecting plate 61 far away from the first connecting plate 51, so that when the radial distance between the movable part 32 and the XYZ displacement platform 2 is to be changed, the second bolt 62 is firstly rotated to enable the nut of the second bolt 62 to be disengaged from the second connecting plate 61 and abutted against the second connecting plate 61, then the second connecting plate 61 is moved along the length direction of the adjusting hole 611, and when the movable part 32 is moved to a proper position, the second bolt 62 is then rotated to enable the nut of the second bolt 62 to be abutted against the second connecting plate 61, so that the radial distance between the movable part 32 and the lens can be adjusted again before the visual field test operation is performed, and the accuracy of the visual field test operation can be further improved.

The implementation principle of big wide angle functional test light box of this application embodiment is: because the test support 4 is arc-shaped, and the test support 4 can extend to the horizontal plane where the XYZ displacement platform 2 is located, a plurality of light source boards 3 can be respectively installed at different positions of the test support 4, so as to change the vertical distance between the light source boards 3 and the XYZ displacement platform 2, and meanwhile, the light source boards 3 can also be installed at the position, close to the plane where the XYZ displacement platform 2 is located, of the test support 4, so that the test light box can perform field test on a large wide-angle lens (the field angle is between 100 degrees and 180 degrees).

Embodiment 2, referring to fig. 3, differs from embodiment 1 in that: the locking assembly 52 comprises a connecting rack 522, a rotating shaft 523, a connecting gear 524 and a driving member, the connecting rack 522 is fixedly connected to the outer arc surface of the test rack 4, and the connecting rack 522 extends along the extending direction of the test rack 4; the rotating shaft 523 is rotatably arranged on the inner wall of the sliding hole 511 in a penetrating way; two connecting gears 524 are arranged, the two connecting gears 524 are coaxially and fixedly sleeved on the rotating shaft 523, and the connecting gears 524 are meshed with the connecting racks 522; the driving member comprises an extension shaft 525, a driven worm wheel 526, a mounting rack 527 and a driving worm 528, the extension shaft 525 is rotatably arranged on the first connecting plate 51 in a penetrating way, one end of the extension shaft 525 is coaxially and fixedly connected with the rotating shaft 523, the other end of the extension shaft is positioned outside the sliding hole 511, and meanwhile, the driven worm wheel 526 is coaxially and fixedly sleeved on one end of the extension shaft 525 positioned outside the sliding hole 511; a mounting block 527 is fixedly attached to a side surface of the first connecting plate 51 remote from the second connecting plate 61, a drive worm 528 is rotatably attached to the mounting block 527, and the drive worm 528 engages the driven worm gear 526.

Referring to fig. 1 and 3, when the position of the movable portion 32 on the test rack 4 is to be changed, the driving worm 528 is rotated to rotate the rotating shaft 523, in this process, the connecting gear 524 rotates, and the movable portion 32 can move along the extending direction of the test rack 4 by the engagement between the connecting gear 524 and the connecting gear 524, and when the movable portion 32 moves to a proper position, then, the rotation of the driving worm 528 is stopped to stop the rotation of the connecting gear 524, and at the same time, by the engagement between the connecting gear 524 and the connecting rack 522 and the self-locking between the driven worm wheel 526 and the driving worm 528, the movable portion 32 is stably stopped at a predetermined position, thus, the vertical distance between the movable section 32 and the XYZ stage 2 can be changed, and the movable section 32 can be held at a predetermined position relatively stably.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A large wide-angle functional test light box comprises a frame (1), an XYZ displacement platform (2) and a light source board (3), wherein the XYZ displacement platform (2) is arranged on the frame (1); the light source boards (3) are arranged in plurality, and the light source boards (3) are located above the XYZ displacement platform (2); XYZ displacement platform (2) supply the camera lens fixed, its characterized in that: the test device is characterized by further comprising a test support (4) connected to the frame (1), wherein the test support (4) is in an arc shape, and the test support (4) can extend to a horizontal plane where the XYZ displacement platform (2) is located; the plurality of light source boards (3) are arranged on the test support (4), and the vertical distances between the plurality of light source boards (3) and the XYZ displacement platform (2) are not completely consistent.

2. A large wide angle functional test light box as in claim 1, wherein: the plane where the test supports (4) are located is vertical to the horizontal plane, the central angle range of the test supports (4) is 90 degrees, a plurality of test supports (4) are arranged, and the upper ends of the test supports (4) are connected with one another; the plurality of light source boards (3) comprise a fixed part (31) and a plurality of movable parts (32), wherein the fixed part (31) is arranged at the position farthest away from the XYZ displacement platform (2); the movable part (32) and be provided with first connecting piece (5) between test support (4), movable part (32) pass through first connecting piece (5) sliding connection on test support (4), movable part (32) with vertical distance between XYZ displacement platform (2) can change.

3. A large wide angle functional test light box according to claim 2, characterized in that: the first connecting piece (5) comprises a first connecting plate (51) and a locking assembly (52), the first connecting plate (51) is fixedly connected with the movable part (32), and the first connecting plate (51) is provided with a sliding hole (511) for the test bracket (4) to slidably penetrate through; the locking assembly (52) is arranged on the first connecting plate (51), and the locking assembly (52) is used for fixing the first connecting plate (51) on the test support (4).

4. A large wide angle functional test light box according to claim 3, characterized in that: the locking assembly (52) comprises a first bolt (521), the first bolt (521) is in threaded connection with the first connecting plate (51), a screw rod of the first bolt (521) can be abutted against the test support (4), and a nut of the first bolt (521) is located on the outer ring of the first connecting plate (51).

5. A large wide angle functional test light box according to claim 3, characterized in that: the locking assembly (52) comprises a connecting rack (522), a rotating shaft (523), a connecting gear (524) and a driving piece, and the connecting rack (522) is arranged on the arc surface of the test bracket (4); the rotating shaft (523) is rotatably arranged on the inner wall of the sliding hole (511) in a penetrating way; the connecting gear (524) is fixedly sleeved on the rotating shaft (523), and the connecting gear (524) is meshed with the connecting rack (522); the driving part is arranged on the first connecting plate (51) and is used for driving the rotating shaft (523) to rotate.

6. A large wide angle functional test light box according to claim 5, characterized in that: the driving piece comprises an extension shaft (525), a driven worm wheel (526), an installation frame (527) and a driving worm (528), the extension shaft (525) is rotatably arranged on the first connecting plate (51) in a penetrating mode, one end of the extension shaft (525) is fixedly connected with the rotating shaft (523), and the other end of the extension shaft is located outside the sliding hole (511); the driven worm wheel (526) is fixedly sleeved on one end of the extension shaft (525) outside the sliding hole (511); the mounting rack (527) is arranged on the outer wall of the first connecting plate (51); the driving worm (528) is rotatably connected to the mounting frame (527), and the driving worm (528) is meshed with the driven worm gear (526).

7. A large wide angle functional test light box as in claim 6, wherein: a second connection (6) is arranged between the first connection plate (51) and the movable part (32), the second connection (6) being used for changing the radial distance between the movable part (32) and the XYZ displacement platform (2).

8. A large wide angle functional test light box according to claim 7, wherein: the second connecting piece (6) comprises a second connecting plate (61) and a second bolt (62), the second connecting plate (61) is arranged at one end, away from the mounting rack (527), of the first connecting plate (51), the second connecting plate (61) is fixedly connected with the movable part (32), and an adjusting hole (611) in a waist-round shape is formed in the second connecting plate (61); the second bolt (62) is in threaded connection with the first connecting plate (51), the second bolt (62) is slidably arranged in the adjusting hole (611), and a nut of the second bolt (62) can abut against one side surface, away from the first connecting plate (51), of the second connecting plate (61).