CN206685352U - A kind of solar cell velvet cleaning flower basket - Google Patents

Abstract

The application discloses solar cell etching washs basket of flowers includes: two fixing plates parallel to each other; the grid rod is used for clamping a silicon wafer, and two ends of the grid rod are respectively connected with the fixing plate; the bottom supporting rod is used for supporting the silicon wafer, and two ends of the bottom supporting rod are respectively connected with the fixing plate; wherein, the grid rod and the bottom supporting rod keep an inclined angle with the horizontal plane. When the silicon wafer is cleaned, the silicon wafer is clamped between the grid rods through the grids and is supported by the bottom support rod, under the action of the inclined grid rods and the bottom support rod, the silicon wafer is inclined and uniformly falls to the lower side, and therefore the distance between the silicon wafers is kept. Meanwhile, gaps are reserved among the silicon wafers, so that the silicon wafers cannot be adsorbed together under the influence of the surface tension of liquid under the action of the gravity of the silicon wafers in the washing process, the washing degree of the silicon wafers is more thorough, and the cleaning effect of the surfaces of the silicon wafers is improved.

Description

A kind of solar cell velvet cleaning flower basket

technical field

The utility model relates to the technical field of photovoltaic equipment, in particular to a solar cell velvet cleaning flower basket.

Background technique

In the process of making solar cells, trough-type texturing and cleaning are usually used in the process of texturing and cleaning, that is, solar cells are loaded in flower baskets for texturing and cleaning, while conventional flower baskets are loaded with solar cells, and solar cells are vertical Placed, under the action of the solar cell's own gravity, the solar cell will randomly fall to both sides. During the process operation, it is necessary to put the flower basket containing the solar cells into or out of the tank containing the liquid medicine. When the flower basket is put into or out of the liquid surface of the tank, the two adjacent solar cells may be under the surface tension of the liquid. Adsorbed together under the action of the two solar cells, and the reaction between the surface of the two solar cells and the chemical solution will be affected, so that the surface of the solar cell cannot fully react with the chemical solution, thereby affecting the cleaning effect of the texture.

Therefore, how to avoid the adsorption between solar cells during the texturing and cleaning process, increase the contact area between the solar cells and the chemical solution, and enhance the cleaning effect of texturing are technical problems urgently needed to be solved by those skilled in the art.

Utility model content

In order to solve the above technical problems, the utility model provides a solar cell texturing cleaning flower basket, how to avoid the adsorption between solar cells during the texturing and cleaning process, increase the contact area between the solar cell and the liquid medicine, and enhance the cleaning effect of the texturing .

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

A solar cell texturing cleaning flower basket, comprising:

Two fixed plates parallel to each other;

grid rods for clamping silicon wafers, the two ends of the grid rods are respectively connected to the fixing plate;

a bottom support rod for supporting the silicon chip, the two ends of the bottom support rod are respectively connected to the fixed plate;

Wherein, the grid rods and the bottom support rods maintain an inclined angle with the horizontal plane.

Preferably, in the above-mentioned solar cell texturing and cleaning flower basket, the angle of inclination between the grid rod and the bottom support rod and the horizontal plane is in the range of 3°-5°.

Preferably, in the above-mentioned solar cell texturing cleaning flower basket, the number of grids on the grid rods ranges from 10 to 100.

Preferably, in the above-mentioned solar cell texturing cleaning flower basket, the distance between the grids on the grid rods is in the range of 2 mm to 5 mm.

Preferably, in the above-mentioned solar cell texturing cleaning flower basket, the bottom support rods include a first bottom support rod and a second bottom support rod parallel to each other.

Preferably, in the above solar cell texturing and cleaning flower basket, the distance between the grid rod and the bottom support rod is less than or equal to the height of the silicon wafer.

It can be seen from the above technical solution that a solar cell texturing and cleaning flower basket provided by the utility model includes: two fixing plates parallel to each other; The two ends are respectively connected to the fixed plate; the bottom support bar for supporting the silicon chip, and the two ends of the bottom support bar are connected to the fixed plate respectively; wherein, the grid rod and the bottom support The rod maintains an inclined angle with respect to the horizontal plane. When cleaning the silicon wafer, the silicon wafer is clamped between the grid rods through the grid, and is supported by the bottom support rod at the same time. Under the action of the inclined grid rod and the bottom support rod, the silicon wafer is inclined and uniformly lower One side of the chip is lodging to maintain the spacing between the silicon chips. At the same time, because there are gaps between the silicon wafers, during the washing process, due to the gravity of the silicon wafers themselves, the silicon wafers will not be absorbed together by the influence of the surface tension of the liquid, making the washing of the silicon wafers more thorough and improving The cleaning effect of the silicon wafer surface.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is the schematic diagram of the fixing plate in a kind of solar cell texturing and cleaning flower basket provided by the utility model embodiment;

Fig. 2 is a cross-sectional view of a solar cell texturing and cleaning flower basket provided by the utility model embodiment;

Fig. 3 is a top view of a flower basket for cleaning solar cell texturing provided by an embodiment of the utility model.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to, Figure 1 is a schematic diagram of a fixed plate in a solar cell texturing and cleaning basket provided by an embodiment of the utility model; Figure 2 is a cross-sectional view of a solar cell texturing and cleaning flower basket provided by an embodiment of the utility model; Figure 3 is a practical A top view of a flower basket for cleaning solar cell texturing provided by the novel embodiment.

In a specific embodiment, there is provided a solar cell velvet cleaning flower basket, comprising:

Two fixed plates 1 parallel to each other;

A grid rod 2 for clamping the silicon chip, the two ends of the grid rod 2 are respectively connected to the fixed plate 1;

A bottom support rod 3 for supporting the silicon chip, the two ends of the bottom support rod 3 are respectively connected to the fixed plate 1;

Wherein, the grid rod 2 and the bottom support rod 3 keep an inclined angle with the horizontal plane.

Specifically, the composition of the flower basket is composed of the fixed plate 1 on both sides, the grid rod 2 connected to the side of the fixed plate 1 at both ends, and the bottom support bar 3 connected to the bottom of the fixed plate 1 at both ends, and the grid A plurality of grids are arranged on the grid bar 2, and the spacing between the grids is the same as the thickness of the silicon chip. The silicon chip and the grid bar 2 are perpendicular to each other and are clamped between the grids. The grid rods 2 and the bottom support rods 3 maintain an inclination angle with the horizontal plane, so that the silicon wafers incline in the same direction, and the inclination direction is not specifically limited, and both are within the scope of protection.

The bottom of fixed plate 1 is provided with bottom screw hole 5, and bottom support bar 3 is inserted in the bottom screw hole 5, utilizes bolt to fix, and the quantity of screw hole is determined according to the quantity of bottom support bar 3. It is particularly pointed out that since the bottom bracket 3 remains inclined to the horizontal plane, the positions of the screw holes on the two fixing plates 1 are not opposite, but the positions of the screw holes on one fixing plate 1 are higher than those on the other fixing plate 1. screw hole location.

The position near the side of the fixing plate 1 is provided with a side screw hole 4, and the grid rod 2 is inserted into the side screw hole 4 and fixed by bolts. The number of screw holes is determined according to the number of the grid rod 2, and the grid rod 2 One pair is arranged near the top of the fixed plate 1, and another pair is arranged near the bottom of the fixed plate 1. Each pair of grid bars 2 is parallel in the same plane and has an oblique angle to the horizontal plane. It is particularly pointed out that since the grid rod 2 remains inclined to the horizontal plane, the positions of the screw holes on the two fixing plates 1 are not opposite, but the position of the screw holes on one fixing plate 1 is higher than that on the other fixing plate 1. screw hole location.

When cleaning the silicon wafer, the silicon wafer is clamped between the grid rods 2 through the grid, and is supported by the bottom support rod 3 at the same time. Under the action of the inclined grid rod 2 and the bottom support rod 3, the silicon wafer is inclined. Uniformly fall to the lower side to maintain the spacing between silicon wafers. At the same time, because there are gaps between the silicon wafers, during the washing process, due to the gravity of the silicon wafers themselves, the silicon wafers will not be absorbed together by the influence of the surface tension of the liquid, making the washing of the silicon wafers more thorough and improving The cleaning effect of the silicon wafer surface.

On the basis of the above solar cell texturing and cleaning flower basket, the angle of inclination between the grid rod 2 and the bottom support rod 3 and the horizontal plane is in the range of 3°-5°.

The inclination angle range of 3°-5° can ensure that the silicon wafer is inclined to one side under the action of gravity. It should be pointed out that the range of the inclination angle includes but is not limited to the above range, and is limited according to actual conditions.

On the basis of the above solar cell texturing and cleaning flower basket, the number of grids on the grid rod 2 ranges from 10 to 100.

It should be pointed out that the number of grids on the grid rod 2 includes but is not limited to the above range, and is limited according to actual conditions.

On the basis of the above solar cell texturing cleaning flower basket, the distance between the grids on the grid rod 2 ranges from 2 mm to 5 mm.

It should be pointed out that the distance between the grids is greater than or equal to the thickness of the silicon wafer, and it is specifically set according to the thickness of the silicon wafer, including but not limited to the above-mentioned range, all within the scope of protection.

Further, in the above silicon wafer texturing and cleaning flower basket, the bottom support bar 3 includes a first bottom support bar 3 and a second bottom support bar 3 which are parallel to each other. The first bottom support bar 3 and the second bottom support bar 3 are located in the same plane at the bottom of the flower basket, and are used to support the silicon wafer. Of course, the number of bottom support bars 3 and the distance between the bottom support bars 3 are not specifically limited. The width of the fixed plate 1 is set, all within the protection range.

Further, in the silicon wafer texturing and cleaning basket, the distance between the grid rod 2 and the bottom support rod 3 is less than or equal to the height of the silicon wafer.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. the gaily decorated basket is cleaned in a kind of solar cell making herbs into wool, it is characterised in that including：

Two fixed plates being parallel to each other；

For the grid bar of clamping silicon chip, the both ends of the grid bar are connected with the fixed plate respectively；

For supporting the bottom pressure pin of the silicon chip, the both ends of the bottom pressure pin connect respectively at the fixed plate；

Wherein, the grid bar and the bottom pressure pin keep angle of inclination with horizontal plane.

2. the gaily decorated basket is cleaned in solar cell making herbs into wool according to claim 1, it is characterised in that the grid bar and described The range of tilt angles that bottom pressure pin is kept with horizontal plane is 3 °~5 °.

3. the gaily decorated basket is cleaned in solar cell making herbs into wool according to claim 2, it is characterised in that the grid on the grid bar Quantitative range is 10~100.

4. the gaily decorated basket is cleaned in solar cell making herbs into wool according to claim 3, it is characterised in that the grid on the grid bar The distance between scope be 2mm~5mm.

5. the gaily decorated basket is cleaned in solar cell making herbs into wool according to claim 4, it is characterised in that the bottom pressure pin includes phase Mutually parallel the first bottom pressure pin and the second bottom pressure pin.

6. the gaily decorated basket is cleaned in solar cell making herbs into wool according to claim 5, it is characterised in that the grid bar and the bottom The distance of portion's pressure pin is less than or equal to the height of the silicon chip.