CN212807105U

CN212807105U - Test equipment

Info

Publication number: CN212807105U
Application number: CN202021704063.2U
Authority: CN
Inventors: 邓瑞才
Original assignee: OFilm Microelectronics Technology Co Ltd
Current assignee: Jiangxi OMS Microelectronics Co Ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-03-26
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a test equipment for test optical sensing device, including camera bellows, height adjusting mechanism, light source device and test module, height adjusting mechanism's at least part fixed accept in inside the camera bellows, light source device locates with adjustable position height adjusting mechanism is last and accept in the camera bellows, the camera bellows is equipped with the installation department for bear the optical sensing device that awaits measuring, light source device is used for the emergence to project optical sensing device's light, the test module be used for with the optical sensing device electricity that awaits measuring is connected, and is right optical sensing device tests. Because including the camera bellows and the high adjustment mechanism who adjusts the position of light source device, can change the position of light source device in the camera bellows in a flexible way, easy and simple to handle is favorable to promoting detection efficiency, is convenient for detect in batches. And a dark environment suitable for detection is provided for the detection of the optical sensing device, the detection accuracy is improved, and the detection result is not prone to deviation.

Description

Test equipment

Technical Field

The utility model relates to an electronic test field, in particular to test equipment.

Background

The optical sensing device is a core component in the camera module, the quality of the optical sensing device directly affects the use effect of the camera device, and therefore the optical sensing device needs to carry out strict and precise detection on products before leaving a factory.

The most basic means of detection is to use a light source to irradiate light emitted by the light source to an optical sensing device to obtain detection data, then transmit the data to a computer, and finally reflect the detection condition of a photosensitive component to the computer through the operation of a corresponding driving program in the computer. The testing of the optical sensing device requires a closed non-reflective dark environment, and the height of the light source from the optical sensing device needs to be frequently adjusted. Therefore, there is an urgent need for an apparatus for facilitating the testing of optical sensing devices.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an easy operation conveniently tests the test equipment to optical sensing device's performance.

The application provides a test equipment for test optical sensing device, including camera bellows, high adjustment mechanism, light source device and test module, high adjustment mechanism's at least part fixed accept in inside the camera bellows, but light source device locates with adjustable position high adjustment mechanism is last and accept in the camera bellows, the camera bellows is equipped with the installation department for bear the optical sensing device that awaits measuring, light source device is used for the emergence to project optical sensing device's light, the test module be used for with the optical sensing device electricity that awaits measuring is connected, with right optical sensing device tests.

The utility model provides a test equipment, owing to include the camera bellows and be used for adjusting the height regulating mechanism of light source device's position, can change the position of light source device in the camera bellows in a flexible way, and easy and simple to handle is favorable to promoting detection efficiency, is convenient for detect in batches. And a dark environment suitable for detection is provided for the detection of the optical sensing device, the detection accuracy is improved, and the detection result is not prone to deviation.

In an embodiment, the height adjustment mechanism includes a base, a screw rod, a nut, and a driving member, the base is fixedly connected to the camera bellows, the screw rod and the nut are movably received in the camera bellows, the screw rod is rotatably connected to the base, the screw rod is screwed to the nut, the light source device is fixedly mounted on the nut, and the driving member is configured to drive the screw rod to rotate relative to the camera bellows, so as to drive the nut and the light source device to move axially along the screw rod, thereby adjusting the position of the light source device relative to the optical sensing device. Through the screw connection of the screw rod and the nut, the nut can move along the axial direction of the screw rod without changing the position of the screw rod relative to the base.

In an embodiment, the light source device includes a light source and a bracket, which are fixedly connected, and the bracket is fixedly connected with the nut. The light source is fixedly connected with the nut, so that the position of the light source in the dark box is adjusted.

In an embodiment, the height adjustment mechanism further includes a connecting member and a guiding member, the guiding member is fixedly connected between the base and the connecting member, the screw rod is rotatably inserted into the base and the bracket, and the bracket is slidably connected to the guiding member along a direction parallel to an axial direction of the screw rod. The connecting piece is used for providing support for the screw rod.

In one embodiment, the bracket is movably sleeved on the guide member. In this way, the guide can provide a guiding function for the bracket.

In an embodiment, the light source device further includes a linear bearing, the linear bearing is fixedly connected to the bracket, and the linear bearing is slidably sleeved on the guide member. So, owing to set up linear bearing, reduce the frictional force between support and the guide, make the connection between support and the guide more smooth, reduce the energy loss that the frictional heating led to the fact.

In an embodiment, the screw rod further comprises a graduated scale, and the graduated scale is fixedly connected with the base and is arranged in parallel with the axial direction of the screw rod. The graduated scale is used for measuring the distance between the light source and the beam, is convenient for control the distance between the light source and the optical sensing device, and is favorable for adjusting the light source to a proper position.

In an embodiment, the test fixture further comprises a fixture fixedly connected to the mounting portion, and the fixture is used for limiting the module to be tested. The jig is used for avoiding the deviation of the relative position of the optical sensing device and the box body in the testing process, so that the testing result is influenced.

In an embodiment, the test device further comprises a display device, the display device is fixedly connected to the outer side of the dark box, and the display device is electrically connected with the test module. The display device is used for displaying the test result of the optical sensing device.

In an embodiment, the test module further comprises an input device, the input device is fixedly connected to the outer side of the dark box, and the input device is electrically connected with the test module. The input device is used for inputting parameters related to the test and is convenient to operate.

Drawings

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

Fig. 1 is a schematic perspective view of a testing apparatus according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of the test apparatus shown in fig. 1 with a cover plate removed.

Fig. 3 is a perspective view of a height adjusting mechanism of the test apparatus shown in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present application provides a testing apparatus 100, which includes a camera bellows 10, a height adjustment mechanism 30, a light source device 50 and a testing module 70, wherein at least a portion of the height adjustment mechanism 30 is fixedly housed in the camera bellows 10, and the light source device 50 is disposed in the height adjustment mechanism 30 in a position-adjustable manner and housed in the camera bellows 10. The height adjusting mechanism 30 is used to adjust the position of the light source device 50 in the dark box 10. The camera bellows 10 is provided with a mounting portion 11 for carrying an optical sensing device to be tested, and the camera bellows 10 is used for providing a dark environment suitable for detection for the optical sensing device. The light source device 50 is used for emitting light projected to the optical sensing device. The test module 70 is used for electrically connecting with an optical sensing device to be tested so as to test the optical sensing device.

The test apparatus 100 provided herein can be used to test the performance of an optical sensing device. The optical sensing device may be, but not limited to, a camera module including an optical sensor or a separate optical sensor. First, the light source device 50 is set to the brightness required for the test, and the height adjustment mechanism 30 is adjusted to move the light source device 50 to a height suitable for the test. Next, the optical sensing device includes a light incident surface capable of receiving light, the light incident surface of the optical sensing device is disposed toward the cavity of the dark box 10, and the light incident surface receives the light projected by the light source device 50 and transmits the received signal to the test module 70. The test module 70 is used for analyzing the signal received by the optical sensing device to determine whether the performance of the optical sensing device is abnormal. The test equipment 100 provided by the application can flexibly change the position of the light source device 50 in the camera bellows 10 due to the height adjusting mechanism 30 for adjusting the position of the light source device 50, is simple and convenient to operate, is favorable for improving the detection efficiency, and is convenient for batch detection. Moreover, the dark box 10 is included, so that a dark environment suitable for detection is provided for detection of the optical sensing device, the detection accuracy is improved, and the detection result is not prone to deviation.

In this embodiment, the dark box 10 includes a box body 12, a partition 13 and a cover plate 14, the box body 12 has an inner cavity 121, the partition 13 is fixedly connected to an inner wall of the inner cavity 121 to divide the inner cavity 121 into a first receiving space 191 and a second receiving space 193, wherein the first receiving space 191 is located on a side of the second receiving space 193 close to the mounting portion 11. The cover plate 14 covers the first receiving space 191 and is fixedly connected to the case 12. In this embodiment, the first receiving space 191 is closed and is not transparent to light, which is beneficial to provide a dark environment suitable for detection of the optical sensing device. The mounting portion 11 is a mounting groove formed in the housing 12, and the mounting groove penetrates through an inner wall of one side of the housing 12, so that the optical sensing device can receive light emitted from the light source device 50 when placed on the mounting portion 11.

In this embodiment, the case 12 is provided with a groove 181 at a side away from the mounting portion 11, so that an operator can conveniently stretch his legs, the ergonomic design is met, and the comfort of the operator is improved.

In the present embodiment, the housing 12 has a rectangular parallelepiped shape, but it is understood that the configuration and shape of the housing 12 are not limited, and the housing 12 may provide a light-tight dark environment.

Referring to fig. 2 and 3, in the present embodiment, the height adjusting mechanism 30 includes a base 31, a screw 33, a nut 34, a driving member 35, a connecting member 36 and a guiding member 38. The base 31 is fixedly connected to the housing 12. Specifically, the base 31 includes a support column 311 and a cross beam 313, and the support column 311 is accommodated in the second accommodating space 193 and is fixedly connected between the cross beam 313 and the box body 12. Cross member 313 is disposed flush with partition 13, and cross member 313 is disposed between partition 13 and cover 14 (shown in fig. 1), and cross member 313 is used to support guide member 38 and connecting member 36. The number of the guide members 38 is two, and the two guide members 38 are arranged in parallel and fixedly connected between the base 31 and the connecting member 36. The screw 33 and the nut 34 are movably accommodated in the first accommodating space 191, the screw 33 is rotatably inserted through the cross beam 313 and the connecting member 36, the screw 33 is disposed in parallel between the two guiding members 38, and the screw 33 is screwed with the nut 34. Specifically, the screw 33 is provided at an outer periphery thereof with a first thread (not shown), the nut 34 has a through hole, an inner wall of the through hole is provided with a second thread (not shown), the screw 33 is inserted through the through hole, and the first thread is engaged with the second thread.

The light source device 50 includes a light source 51, a bracket 53 and a linear bearing 55, wherein the light source 51 is fixedly connected with the bracket 53, and the bracket 53 is fixedly connected with the nut 34. The bracket 53 is movably sleeved on the guide member 38, a through hole (not shown) is formed in the bracket 53, and the linear bearing 55 is fixedly received in the through hole. The linear bearing 55 is slidably fitted over the guide 38 so that the bracket 53 is slidably coupled to the guide 38 in a direction parallel to the axial direction of the screw 33. The guide 38 is used to provide guidance for the carriage 53. The driving member 35 is used for driving the screw rod 33 to rotate relative to the box body 12, and further driving the nut 34 and the light source device 50 to move along the axial direction of the screw rod 33, so as to adjust the position of the light source device 50 relative to the optical sensing device. In this way, the linear bearing 55 reduces the frictional force between the bracket 53 and the guide 38, so that the connection between the bracket 53 and the guide 38 is smoother, and the energy loss caused by frictional heat is reduced.

It will be appreciated that the connection between the bracket 53 and the guide member 38 is not limited, and that the guide member 38 and the bracket 53 may be slidably connected. In the present embodiment, the driving member 35 is a rotating wheel, and the screw 33 is driven to rotate relative to the cross beam 313 by rotating the rotating wheel manually, so that the operation is simple and easy, and the operation and control are easy.

It is understood that the type of the driving member 35 is not limited, for example, in the modified embodiment, the driving member 35 may also be, but not limited to, a motor, that is, a motor is used to drive the screw to rotate, which is convenient, fast, time-saving and labor-saving.

The testing apparatus 100 further includes a scale 80, a jig 81, a display device 83, an input device 85, a moving wheel 87, and a support 89. The scale 80 is fixedly connected with the cross beam 313 and is arranged parallel to the axial direction of the screw rod 33. The scale 80 is used for measuring the distance between the light source 51 and the beam 313, so that the distance between the light source 51 and the optical sensing device can be conveniently controlled, and the light source 51 can be conveniently adjusted to a proper position. Jig 81 is fixedly connected to mounting portion 11, and jig 81 is used for spacing optical sensing device, avoids in the test process, and optical sensing device and box 12's relative position takes place the skew to influence the test result. The display device 83 is fixedly connected with the box 12 and electrically connected with the test module 70, the box 12 is located between the display device 83 and the first accommodating space 191, and the box 12 is further located between the input device 85 and the first accommodating space 191. The display device 83 is used for displaying the test result of the optical sensing device. The input device 85 is used for inputting parameters related to the test. The moving wheel 87 and the supporting portion 89 are fixedly connected to one side of the case 12 departing from the second accommodating space 193, the supporting portion 89 is used for providing support for the camera bellows 10, and the moving wheel 87 is convenient for the test equipment 100 to move, so that the test equipment 100 is more labor-saving when moving.

It is to be understood that in the modified embodiment, the moving wheel 87 and/or the support portion 89 may be omitted.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. The utility model provides a test equipment for test optical sensing device, its characterized in that, including camera bellows, height adjusting mechanism, light source device and test module, height adjusting mechanism's at least part fixed accept in inside the camera bellows, light source device locates with adjustable position height adjusting mechanism goes up and accept in the camera bellows, the camera bellows is equipped with the installation department for bear the optical sensing device that awaits measuring, light source device is used for the emergent to project optical sensing device's light, the test module be used for with the optical sensing device electricity that awaits measuring is connected, with right optical sensing device tests.

2. The testing apparatus as claimed in claim 1, wherein the height adjustment mechanism includes a base, a screw, a nut, and a driving member, the base is fixedly connected to the camera chamber, the screw and the nut are movably received in the camera chamber, the screw is rotatably connected to the base, the screw is threadedly connected to the nut, the light source device is fixedly mounted on the nut, and the driving member is configured to drive the screw to rotate relative to the camera chamber, so as to drive the nut and the light source device to move axially along the screw, thereby adjusting the position of the light source device relative to the optical sensing device.

3. The test apparatus of claim 2, wherein the light source device comprises a light source and a bracket fixedly connected to the light source, the bracket being fixedly connected to the nut.

4. The testing apparatus of claim 3, wherein the height adjustment mechanism further comprises a connecting member and a guiding member, the guiding member is fixedly connected between the base and the connecting member, the screw rod is rotatably disposed through the base and the bracket, and the bracket is slidably connected to the guiding member along a direction parallel to an axial direction of the screw rod.

5. The test apparatus of claim 4, wherein the holder is movably sleeved on the guide.

6. The test apparatus of claim 5, wherein the light source device further comprises a linear bearing, the linear bearing is fixedly connected with the bracket, and the linear bearing is slidably sleeved on the guide.

7. The test apparatus of claim 2, further comprising a scale fixedly attached to the base and disposed parallel to an axial direction of the lead screw.

8. The test equipment as claimed in claim 1, further comprising a fixture fixedly connected to the mounting portion for limiting the module under test.

9. The test apparatus of any one of claims 1 to 8, further comprising a display device fixedly connected to an outside of the dark box, the display device being electrically connected to the test module.

10. The test apparatus of any one of claims 1 to 8, further comprising an input device fixedly attached to an outside of the camera bellows, the input device being electrically connected to the test module.