CN212568513U

CN212568513U - EL testing arrangement

Info

Publication number: CN212568513U
Application number: CN202021058776.6U
Authority: CN
Inventors: 张军
Original assignee: Suzhou Kepai Automation Equipment Co ltd
Current assignee: Suzhou Kepai Automation Equipment Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-02-19
Anticipated expiration: 2030-06-10

Abstract

The utility model relates to an EL testing device, which comprises a box body, wherein the bottom of the inner cavity of the box body is fixedly connected with a mounting rack, the top of the mounting rack is provided with a probe electrifying module, two sides of the box body are fixedly connected with hydraulic cylinders, the top of the hydraulic cylinder is fixedly connected with a glass plate, the bottom of the glass plate is provided with a compressing device, the top of the box body is fixedly connected with a supporting frame, the top of the supporting frame is fixedly connected with a top plate, a light screen is hinged on the top plate, the top of the top plate is fixedly provided with a display screen, the utility model is provided with the hydraulic cylinders to drive the glass plate to descend, so that the compressing device compresses a battery piece on the probe electrifying module, the inaccurate detection caused by the contact of the battery piece is prevented, and the camera head moves on the lead, the battery piece can be observed at multiple positions, and detection can be performed with detection personnel.

Description

EL testing arrangement

Technical Field

The utility model relates to a EL testing arrangement belongs to solar cell production technical field.

Background

In the field of solar cell production and manufacturing, an EL test (i.e., an electroluminescence test) is commonly used for detecting defects of solar cells, such as hidden cracks, fragments, insufficient solder joints, broken grids and the like, and generally comprises a probe electrifying module, a voltage stabilizing power supply, an infrared camera and a display device, wherein a probe of the probe electrifying module is used for accurately pressing down to a process point of the cell, and the existing EL test device is inconvenient for a detector to observe, and cannot be aligned with the process point of the cell when the cell is placed on the test device, so that the detection of the cell is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an EL testing arrangement, it descends to drive the glass board through being equipped with the pneumatic cylinder, make closing device compress tightly the battery piece on the electricity module on the probe, it is inaccurate to prevent that the battery piece contact from really leading to detecting, through being equipped with servo motor, it rotates to drive the lead screw through servo motor, make the camera pass through the movable block and move on the lead screw, can carry out the multiposition observation to the battery piece, just detect with the measurement personnel, through being equipped with the light screen, overturn the light screen when detecting, shelter from the light, then observe the battery piece through the camera, avoid external light to influence the detection of battery piece, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an EL testing arrangement, includes the box, the inner chamber bottom fixedly connected with mounting bracket of box, the top of mounting bracket is equipped with the electrical module on the probe, the both sides fixedly connected with pneumatic cylinder of box, the top fixedly connected with glass board of pneumatic cylinder, the bottom of glass board is equipped with closing device, the top fixedly connected with support frame of box, the top fixedly connected with roof of support frame, it has the light screen to articulate on the roof, the top fixed mounting of roof has the display screen, one side of roof is equipped with servo motor, fixedly connected with lead screw on servo motor's the output shaft, be connected with the movable block on the lead screw, the bottom of movable block is connected with the camera.

Further, mounting bracket fixed connection is in the intermediate position of box inner chamber bottom, the probe is gone up the electrical module and is the same with the top height of box.

Furthermore, the pressing device comprises a sucker and a spongy cushion, the sucker is adsorbed at the bottom of the glass plate, and the spongy cushion is adhered to the bottom of the sucker.

Furthermore, the light shielding plates are symmetrically arranged on the front side and the rear side of the top plate, and the width of the light shielding plates is wider than the height of the supporting frame.

Furthermore, a rectangular groove is formed in the top plate in a penetrating mode, and the screw rod is arranged in the rectangular groove.

Furthermore, a threaded hole corresponding to the screw rod is formed in the moving block, and the moving block is connected to the screw rod through the threaded hole in a threaded mode.

The utility model has the advantages that:

1. the glass plate is driven to descend by the hydraulic cylinder, so that the pressing device presses the battery piece on the probe electrifying module, and the inaccurate detection caused by the unreal contact of the battery piece is prevented;

2. the servo motor is arranged, and the lead screw is driven to rotate by the servo motor, so that the camera moves on the lead screw through the moving block, multi-position observation can be carried out on the battery piece, and the battery piece can be detected by a detector;

3. through being equipped with the light screen, overturn the light screen when detecting, shelter from the light, then observe the battery piece through the camera, avoid external light to influence the detection of battery piece.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic diagram of an overall structure of an EL testing apparatus according to the present invention;

fig. 2 is a schematic diagram of an internal structure of a box of an EL testing apparatus of the present invention;

fig. 3 is a schematic diagram illustrating a light shielding plate of an EL testing apparatus according to the present invention turning over;

fig. 4 is a top view of an EL testing apparatus of the present invention;

reference numbers in the figures: 1. a box body; 2. a mounting frame; 3. a probe electrifying module; 4. a hydraulic cylinder; 5. a glass plate; 6. a pressing device; 7. a support frame; 8. a top plate; 9. a visor; 10. a display screen; 11. a servo motor; 12. a screw rod; 13. a moving block; 14. a camera; 15. a suction cup; 16. a sponge cushion; 17. a rectangular groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

an EL testing device comprises a box body 1, wherein the bottom of an inner cavity of the box body 1 is fixedly connected with a mounting frame 2, the top of the mounting frame 2 is provided with a probe electrifying module 3, two sides of the box body 1 are fixedly connected with hydraulic cylinders 4, the top of the hydraulic cylinders 4 is fixedly connected with a glass plate 5, the glass plate 5 is arranged above the box body 1, the bottom of the glass plate 5 is provided with a pressing device 6, a process point of a battery piece is aligned with a probe of the probe electrifying module 3, then the hydraulic cylinders 4 are started to drive the glass plate 5 to descend, so that the pressing device 6 presses the battery piece onto the probe electrifying module 3 to prevent the battery piece from being in inaccurate detection due to the unreal contact, the top of the box body 1 is fixedly connected with a supporting frame 7, the top of the supporting frame 7 is fixedly connected with a top plate 8, a shading plate 9 is hinged on the top plate 8 to shade, the display screen 10 is arranged on the front side of the top plate 8 and is convenient to watch, the display screen 10 is connected with the camera 14 through a wire, the camera 14 is projected through the display screen 10, the servo motor 11 is arranged on one side of the top plate 8, the lead screw 12 is fixedly connected to an output shaft of the servo motor 11, the lead screw 12 is connected with the moving block 13, the bottom of the moving block 13 is connected with the camera 14, the camera 14 is an infrared camera, the lead screw 12 is driven by the servo motor 11 to rotate, so that the camera 14 moves on the lead screw 12 through the moving block 13, multi-position observation can be carried out on a battery piece, detection can be carried out on the battery piece conveniently and detection personnel, and meanwhile, the probe electrifying module 3, the hydraulic cylinder 4, the display screen 10, the servo motor 11 and the camera 14 are all.

Specifically, as shown in fig. 1 and 2, mounting bracket 2 is fixedly connected at the middle position of the bottom of the inner cavity of box 1, probe power-on module 3 is the same as the top height of box 1, is convenient for place the panel, can compress tightly the battery piece through closing device 6 simultaneously, closing device 6 includes sucking disc 15 and foam-rubber cushion 16, sucking disc 15 adsorbs in the bottom of glass board 5, foam-rubber cushion 16 bonds in the bottom of sucking disc 15, compresses tightly the battery piece through foam-rubber cushion 16, can prevent to damage the surface of battery piece.

Specifically, as shown in fig. 3, the light shielding plates 9 are symmetrically arranged on the front side and the rear side of the top plate 8, and the width of the light shielding plates 9 is wider than the height of the supporting frame 7, so that light can be completely shielded.

Specifically, as shown in fig. 4, a rectangular groove 17 is formed in the top plate 8 in a penetrating manner, the lead screw 12 is arranged in the rectangular groove 17, a threaded hole corresponding to the lead screw 12 is formed in the moving block 13, the moving block 13 is in threaded connection with the lead screw 12 through the threaded hole, and the moving block 13 is made to axially move on the lead screw 12 through rotation of the lead screw 12 to drive the camera 14 to observe the battery piece.

The utility model discloses the theory of operation: when the testing device is used, a solar cell is placed on a probe electrifying module 3 in a box body 1, the process point of the cell is aligned with the probe of the probe electrifying module 3, then a hydraulic cylinder 4 is started to drive a glass plate 5 to descend, so that a pressing device 6 presses the cell tightly on the probe electrifying module 3, the situation that the detection is inaccurate due to the fact that the cell is not in contact is prevented, then a light shielding plate 9 is turned over to shield light rays, then the cell is observed through a camera 14, the influence of the external light rays on the detection of the cell is avoided, when the detection is carried out through the camera 14, a detected video is projected onto a display screen 10 to facilitate the observation, meanwhile, a servo motor 11 drives a lead screw 12 to rotate, so that the camera 14 moves on the lead screw 12 through a moving block 13, the multi-position observation can be carried out on the cell, and the detection can be conveniently carried out with.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. An EL testing device, includes box (1), its characterized in that: the bottom of the inner cavity of the box body (1) is fixedly connected with a mounting frame (2), the top of the mounting frame (2) is provided with a probe electrifying module (3), two sides of the box body (1) are fixedly connected with hydraulic cylinders (4), the top of the hydraulic cylinders (4) is fixedly connected with a glass plate (5), the bottom of the glass plate (5) is provided with a pressing device (6), the top of the box body (1) is fixedly connected with a supporting frame (7), the top of the supporting frame (7) is fixedly connected with a top plate (8), the top plate (8) is hinged with a light screen (9), the top of the top plate (8) is fixedly provided with a display screen (10), one side of the top plate (8) is provided with a servo motor (11), an output shaft of the servo motor (11) is fixedly connected with a lead screw (12), and the, the bottom of the moving block (13) is connected with a camera (14).

2. An EL testing apparatus as claimed in claim 1, wherein: mounting bracket (2) fixed connection is in the intermediate position of box (1) inner chamber bottom, the probe is gone up electrical module (3) and is the same with the top height of box (1).

3. An EL testing apparatus as claimed in claim 1, wherein: the pressing device (6) comprises a suction cup (15) and a spongy cushion (16), the suction cup (15) is adsorbed at the bottom of the glass plate (5), and the spongy cushion (16) is adhered to the bottom of the suction cup (15).

4. An EL testing apparatus as claimed in claim 1, wherein: the shading plates (9) are symmetrically arranged on the front side and the rear side of the top plate (8), and the width of the shading plates (9) is wider than the height of the support frame (7).

5. An EL testing apparatus as claimed in claim 1, wherein: the top plate (8) is provided with a rectangular groove (17) in a penetrating mode, and the screw rod (12) is arranged in the rectangular groove (17).

6. An EL testing apparatus as claimed in claim 1, wherein: the moving block (13) is provided with a threaded hole corresponding to the screw rod (12), and the moving block (13) is in threaded connection with the screw rod (12) through the threaded hole.