CN215878829U

CN215878829U - Solar cell color detection mechanism

Info

Publication number: CN215878829U
Application number: CN202122201963.6U
Authority: CN
Inventors: 陈国锋; 陈根林
Original assignee: Suzhou Zhuoying Automation Equipment Co ltd
Current assignee: Suzhou Zhuoying Automation Equipment Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-02-22
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a solar cell color detection mechanism, which aims at the problem that the existing detection equipment can only detect the color of a single side of a solar cell, and provides the following technical scheme that the solar cell color detection mechanism comprises a cell color detection unit, wherein the cell color detection unit comprises a front color detection assembly and a back color detection assembly which are arranged along a straight line, a first conveying unit for conveying the solar cell is arranged at a detection position of the back color detection assembly, the first conveying unit is provided with a negative pressure adsorption assembly for adsorbing the front side of the solar cell, a second conveying unit is arranged between the first conveying unit and a feeding end, and a third conveying unit for discharging is arranged at the end point of the first conveying unit. Through setting up positive colour determine module and back colour determine module, can gather the colour data on solar wafer two sides, through setting up negative pressure adsorption component, negative pressure adsorption component can be with solar wafer from the second conveying unit updraft type transport to detecting the position.

Description

Solar cell color detection mechanism

Technical Field

The utility model relates to the field of solar cells, in particular to a color detection mechanism of a solar cell.

Background

With the development of economy and the progress of society, people put forward higher and higher requirements on energy, and the search for a clean new energy is an urgent subject facing human beings at present. At present, there are two main types of clean new energy sources found by human beings, namely solar energy and fuel cells. Solar photovoltaic power generation refers to a power generation mode of directly converting light energy into electric energy without a thermal process, and the purpose is generally achieved by a solar panel device.

The most core part of the solar cell panel is a cell, the mainstream cell in the market at present is a crystalline silicon solar cell, and due to the limitation of production difficulty, one large-sized solar cell panel is usually formed by combining a plurality of small solar cells. In order to keep the overall photoelectric conversion filter of the solar cell panel stable, the solar cell panel needs to be graded according to the photoelectric conversion rate when producing the solar cell. At present, the photovoltaic market generally grades the solar cells by colors, generally 4 to 6 gears exist, and if grading is carried out by purely depending on the visual observation of workers, on one hand, errors are easily generated by the visual observation due to small chromatic aberration; on the other hand, the load on the eyes of the worker is also very large.

At present, chinese patent with publication number CN203648870U discloses an automatic color sorting apparatus for crystalline silicon cells, which comprises an automatic feeding unit, a cell correction unit, a cell color detection unit, and an automatic binning unit; the output end of the automatic feeding unit is sequentially connected with the battery piece color detection unit and the automatic bin dividing unit, the front and rear ports of the battery piece color detection unit are respectively provided with a battery piece correction unit, and the center lines of the automatic feeding unit, the battery piece correction unit, the battery piece color detection unit and the automatic bin dividing unit are positioned on the same straight line.

Although the automatic sorting equipment for the colors of the crystalline silicon battery pieces can realize the automatic sorting of the battery pieces and improve the accuracy of the color sorting of the battery pieces, the equipment can only detect the color of one side of the solar battery pieces, but cannot detect the color of the other side of the solar battery pieces, and when the colors of the two sides of the solar battery pieces are different, the side with the color difference is easily used as the front side when the solar battery plate is assembled, so that the assembled solar battery plate cannot achieve the expected effect, and the quality of the finished solar battery plate is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a solar cell color detection mechanism which has the advantage of being capable of detecting solar energy on one detection line.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a solar wafer colour detection mechanism, including cell piece colour detecting element, cell piece colour detecting element includes front colour determine module and the back colour determine module that sets up along the straight line, the first conveying unit that is used for carrying solar wafer is set up to the detection position of back colour determine module, first conveying unit installs and is used for adsorbing the positive negative pressure adsorption component of solar wafer, set up the second conveying unit between first conveying unit and the feed end, the terminal point of first conveying unit sets up the third conveying unit who is used for the ejection of compact.

By adopting the technical scheme, the front color detection assembly and the back color detection assembly can be arranged to collect color data of two sides of the solar cell piece on one detection line, comprehensive analysis is carried out according to the color data of the two sides of the solar cell piece, and color grading is carried out on the solar cell panel, so that the solar cell panel can be comprehensively and finely graded; when the solar cell moves to the back color detection assembly, the back of the solar cell needs to be detected, the back of the solar cell can be shielded in a conventional carrying mode, the negative pressure adsorption assembly is arranged on the first conveying unit, so that the solar cell can be sucked up from the second conveying unit when moving to the first conveying unit, the solar cell is carried to the detection position of the back color detection assembly through the first conveying unit, the color detection is carried out on the back of the solar cell, the detection efficiency is improved, and the front and back colors of the solar cell can be detected automatically.

Further, the negative pressure adsorption component comprises a box body fixedly connected with the back color detection component, the box body is provided with an exhaust pipe communicated with the interior of the box body and used for being connected with an air pump, and one surface, close to the back color detection component, of the box body is provided with a plurality of adsorption holes.

Adopt above-mentioned technical scheme, absorb the air in the box through the air pump, the box is inside at the negative pressure state that is less than standard atmospheric pressure this moment, and a plurality of absorption holes that the box was seted up near the one side of back colour detection subassembly can produce a suction, adsorb the solar wafer, owing to adopt vacuum adsorption, can carry the solar wafer under the condition of not carrying out the centre gripping to the solar wafer, prevent because the centre gripping produces the mar damage to solar wafer surface, produce the influence because the quality of solar wafer.

Further, first conveying unit includes, the one side that the box was seted up the adsorption hole sets up a plurality of conveyer belts along the direction of detection, and the outside tank wall setting is hugged closely to one side of conveyer belt contact solar wafer, and the adsorption hole is close to the conveyer belt and evenly sets up.

Adopt above-mentioned technical scheme, after the solar wafer is adsorbed by the adsorption hole, separate the belt that has the conveyer belt between solar wafer and the box, carry the solar wafer through the belt to the frictional force of solar wafer, set up the conveyer belt and be convenient for make the solar wafer stop detecting the position when carrying out color data acquisition to the solar wafer, when the solar wafer removed the conveyer belt end simultaneously, owing to no adsorption hole again, the solar wafer will drop to third conveying unit.

Further, photoelectric sensors for counting are provided at the start point and the end point of the first conveyance unit.

By adopting the technical scheme, the number of the solar cells is convenient to count, and the qualification rate of the solar cells is convenient to calculate.

Further, the front color detection assembly and the back color assembly are the same in mechanism and comprise a shading shell and a CCD camera arranged in the shading shell, and a lighting part is further arranged in the shading shell.

By adopting the technical scheme, the solar cell is subjected to color data acquisition in the sealed box, so that the influence of external stray light on the acquisition result is prevented; the lighting part is arranged to help the image information collected by the CCD camera to be clearer.

Further, a lampshade covering the detection position is arranged between the illumination part and the CCD camera.

By adopting the technical scheme, the light intensity of the solar cell piece can be kept consistent by arranging the lampshade, the image information collected by the CCD camera is more accurate, and error data caused by light intensity difference is prevented.

Further, the light shielding housing is provided with a movable door which can be opened outwards.

By adopting the technical scheme, when the assembly breaks down, the movable door can be opened to overhaul the shading shell, so that the overhaul work is more convenient.

In conclusion, the utility model has the following beneficial effects:

1. the color data of two sides of the solar cell can be collected;

2. the color data is more accurate to collect;

3. can automatic feeding, unloading.

Drawings

FIG. 1 is a perspective view of a color detection mechanism of a solar cell in accordance with the present invention;

FIG. 2 is a perspective view of the negative pressure adsorption assembly of the present invention;

FIG. 3 is a cross-sectional view of the negative pressure adsorption module of the present invention;

fig. 4 is an internal structural view of a front color detection assembly according to the present invention.

In the figure: 1. a front color detection component; 11. a movable door; 12. a CCD camera; 13. an illumination unit; 14. a lamp shade; 2. a back color detection assembly; 3. a negative pressure adsorption component; 31. a box body; 32. an air exhaust pipe; 33. an adsorption hole; 4. a first conveying unit; 41. a photosensor; 5. a second conveying unit; 6. and a third conveying unit.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Referring to fig. 1, a solar wafer colour detection mechanism, including wafer colour detecting element, wafer colour detecting element includes along the positive colour detecting element 1 and the back colour detecting element 2 of sharp setting, the first conveying unit 4 that is used for carrying the solar wafer is set up to the detection position of back colour detecting element 2, first conveying unit 4 installs the negative pressure adsorption component 3 that is used for adsorbing the solar wafer front, set up second conveying unit 5 between first conveying unit 4 and the feed end, the terminal point of first conveying unit 4 sets up the third conveying unit 6 that is used for the ejection of compact.

Specifically, referring to fig. 2 and 3, the negative pressure adsorption assembly 3 includes a box 31 fixedly connected to the back color detection assembly 2, the box 31 is provided with an air suction pipe 32 communicated with the inside of the box 31 and used for being connected to an air pump, and one surface of the box 31 close to the back color detection assembly 2 is provided with a plurality of adsorption holes 33. Air in the box body 31 is sucked through the air pump, at the moment, the inside of the box body 31 is in a negative pressure state smaller than the standard atmospheric pressure, the suction force can be generated by the plurality of adsorption holes 33 formed in one surface, close to the back color detection assembly 2, of the box body 31, the solar cell can be adsorbed, and due to the adoption of vacuum adsorption, the solar cell can be carried without clamping the solar cell, so that the influence on the quality of the solar cell due to scratch damage on the surface of the solar cell caused by clamping is prevented.

Referring to fig. 1, the first conveying unit 4 includes a plurality of conveyor belts arranged along the detection direction on the surface of the box 31 where the adsorption holes 33 are formed, one side of each conveyor belt contacting the solar cell is arranged close to the wall of the outer box, and the adsorption holes 33 are uniformly arranged close to the conveyor belts. After the solar wafer is adsorbed by adsorption hole 33, the belt that has the conveyer belt between solar wafer and the box 31 at a distance from, through the belt to the frictional force transport solar wafer of solar wafer, set up the conveyer belt and be convenient for make solar wafer stop when carrying out color data collection to solar wafer detect the position, when solar wafer removed the conveyer belt end simultaneously, because no adsorption hole 33 has more, solar wafer will drop to third conveying unit 6.

Referring to fig. 2, 3, the start point and the end point of the first conveyance unit 4 are provided with photosensors 41 for counting. The quantity of the solar cells is convenient to count, and the qualification rate of the solar cells is convenient to calculate.

Referring to fig. 1 and 4, the front color detection assembly 1 and the back color assembly have the same mechanism, and both include a light shielding housing and a CCD camera 12 disposed in the light shielding housing, and a lighting portion 13 is further disposed in the light shielding housing. Color data acquisition is carried out on the solar cell in the sealed box, so that the influence of external stray light on an acquisition result is prevented; the illumination portion 13 is provided to help the image information acquired by the CCD camera 12 to be clearer.

Referring to fig. 4, a lamp cover 14 covering the detection position is provided between the illumination section 13 and the CCD camera 12. The lampshade 14 can ensure that the light intensity irradiated to the solar cell is consistent, so that the image information collected by the CCD camera 12 is more accurate, and error data caused by light intensity difference is prevented.

Referring to fig. 1, the light shielding housing is provided with a movable door 11 that can be opened outward. When the subassembly broke down, can open dodge gate 11 and overhaul in the shading shell, make the maintenance work more convenient.

The working process and principle of the embodiment are as follows:

the front color detection assembly 1 and the back color detection assembly 2 are arranged, so that the color data of two sides of the solar cell can be collected on one detection line, the comprehensive analysis is performed according to the color data of the two sides of the solar cell, the color grading is performed on the solar cell panel, and the comprehensive and careful grading of the solar cell panel is facilitated; when the solar cell moves to the back color detection assembly 2, the back of the solar cell needs to be detected, the back of the solar cell can be shielded in a conventional carrying mode, the negative pressure adsorption assembly 3 is arranged on the first conveying unit 4, so that when the solar cell moves to the first conveying unit 4, the negative pressure adsorption assembly 3 can suck the solar cell from the second conveying unit 5, and the solar cell is carried to the detection position of the back color detection assembly 2 through the first conveying unit 4, so that the color detection is carried out on the back of the solar cell, the detection efficiency is improved, and the automatic detection of the colors of the front and the back of the solar cell is facilitated.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a solar wafer colour detection mechanism, includes wafer colour detecting element, its characterized in that: the solar cell color detection assembly comprises a front color detection assembly (1) and a back color detection assembly (2) which are arranged along a straight line, a first conveying unit (4) used for conveying a solar cell is arranged at a detection position of the back color detection assembly (2), the first conveying unit (4) is provided with a negative pressure adsorption assembly (3) used for adsorbing the front side of the solar cell, a second conveying unit (5) is arranged between the first conveying unit (4) and a feeding end, and a third conveying unit (6) used for discharging is arranged at the end point of the first conveying unit (4).

2. The solar cell color detection mechanism according to claim 1, wherein: the negative pressure adsorption component (3) comprises a box body (31) fixedly connected with the back color detection component (2), the box body (31) is provided with an air suction pipe (32) communicated with the interior of the box body (31) and used for being connected with an air pump, and one surface, close to the back color detection component (2), of the box body (31) is provided with a plurality of adsorption holes (33).

3. The solar cell color detection mechanism according to claim 2, wherein: first conveying unit (4) include, box (31) are seted up the one side of adsorbing hole (33) and are set up a plurality of conveyer belts along the direction of detection, the setting of outside tank wall is hugged closely to one side of conveyer belt contact solar wafer, it evenly sets up to be close to the conveyer belt to adsorb hole (33).

4. The solar cell color detection mechanism according to any one of claims 1 to 3, wherein: photoelectric sensors (41) for counting are arranged at the starting point and the end point of the first conveying unit (4).

5. The solar cell color detection mechanism according to claim 1, wherein: the front color detection assembly (1) and the back color assembly are the same in mechanism and comprise a shading shell and a CCD camera (12) arranged in the shading shell, and a lighting part (13) is further arranged in the shading shell.

6. The solar cell color detection mechanism according to claim 5, wherein: a lampshade (14) covering the detection position is arranged between the illumination part (13) and the CCD camera (12).

7. The solar cell color detection mechanism according to claim 5, wherein: the shading shell is provided with a movable door (11) which can be opened outwards.