CN215708510U

CN215708510U - Cleaning device for semi-finished solar cell products

Info

Publication number: CN215708510U
Application number: CN202121492407.2U
Authority: CN
Inventors: 刘娟
Original assignee: Jiangsu Runyang Yueda Photovoltaic Technology Co Ltd
Current assignee: Jiangsu Runyang Yueda Photovoltaic Technology Co Ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-02-01
Anticipated expiration: 2031-07-02

Abstract

The utility model discloses a cleaning device for a semi-finished product of a solar cell, which comprises a dust-proof box, a dust-proof door, an air inlet pipe and an air outlet pipe, wherein the dust-proof box is arranged on the dust-proof door; the inner space of the dust-proof box is used for placing a flower basket for storing the semi-finished solar cell; the dustproof door is hinged on the dustproof box; the dustproof door is used for sealing the dustproof box; the air inlet pipe and the air outlet pipe are connected to the dust-proof box and communicated with the inside of the dust-proof box. The cleaning device for the semi-finished solar cell product can realize stable production, simultaneously avoid secondary pollution of patches of each process of each line in the production process, and improve the process sanitation of the whole process section. The cleaning device for the semi-finished solar cell product has the characteristics of convenience in use, simple structure, wide application range and the like, can improve the clean state of the semi-finished solar cell product in the production process, avoids secondary pollution, and accordingly improves the yield of cell pieces.

Description

Cleaning device for semi-finished solar cell products

Technical Field

The utility model relates to the field of solar photovoltaics, in particular to a cleaning device for a semi-finished solar cell product.

Background

In the current photovoltaic market, the solar cells that are successfully commercialized are mainly: crystalline silicon solar cells, gallium arsenide solar cells, cadmium telluride solar cells, thin film amorphous silicon solar cells, and copper indium selenide solar cells. The crystalline silicon solar cell occupies a share of more than 80% of a solar photovoltaic market due to advantages of relatively low cost, high conversion efficiency, good stability and the like, and the share can be continuously maintained for a long time, so that the efficiency yield of the crystalline silicon solar cell is a research hotspot of various enterprises.

The conventional process for manufacturing the crystalline silicon solar cell is divided into 9-11 steps, the patching flower basket can be placed after each step in stable production to meet the normal production requirement, the flower basket can be usually placed on a placing table for a long time without being worn down, dust, dirt and the like can be attached to the surfaces of the flower basket and a silicon wafer after the flower basket is placed for a long time, and then the flower basket and the silicon wafer are brought to a wet-method groove and a high-temperature furnace chamber to cause secondary pollution to influence the yield.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a cleaning device for a semi-finished solar cell product, which is convenient to use, simple in structure, wide in application range and capable of avoiding the problem of secondary pollution.

The utility model is realized by the following technical scheme:

a cleaning device for a semi-finished product of a solar cell is characterized by comprising a dustproof box, a dustproof door, an air inlet pipe and an air outlet pipe; the inner space of the dust-proof box is used for placing a flower basket for storing the semi-finished solar cell; the dustproof door is hinged on the dustproof box; the dustproof door is used for sealing the dustproof box; the air inlet pipe and the air outlet pipe are connected to the dust-proof box and communicated with the inside of the dust-proof box. Specifically, the dustproof box and the dustproof door can play a role in isolating dust. And nitrogen is introduced into the air inlet pipe to blow and sweep the semi-finished solar cell product in the dustproof box, so that dust is further prevented from adhering to the surfaces of the basket and the semi-finished product (silicon wafer). The cleaning device for the semi-finished solar cell product can improve the cleaning state in the production process of the semi-finished solar cell product, avoid secondary pollution and further improve the yield rate and efficiency of the cell pieces. The cleaning device for the semi-finished solar cell product can realize stable production, simultaneously avoid secondary pollution of the semi-finished solar cell product in each process in each line in the production process, and improve the process sanitation of the whole process section.

Further, the internal dimensions of the dust-proof box can be compatible with flower baskets of various specifications. The novel cleaning device has wide application range.

Furthermore, the dustproof door is hinged to the dustproof box through a hinge, and the maximum turnover angle of the dustproof door is 270 degrees.

Furthermore, a handle is arranged on the dustproof door. The handle passes through screw fixed connection on the dustproof door, be convenient for open of dustproof door.

Further, the intake pipe with dust proof box junction be provided with the sealing washer that is used for guaranteeing the gas tightness. The sealing washer be the rubber material, the air inlet effect in the dust proof box can be guaranteed on the one hand in the design of sealing washer, on the other hand also can play further dustproof effect, prevents promptly that the dust from entering into the dust proof box in the clearance of intake pipe and dust proof box, causes the pollution of incasement semi-manufactured goods.

Furthermore, a sealing ring used for ensuring air tightness is arranged at the joint of the air outlet pipe and the dust-proof box. The sealing washer be the rubber material, the gas tightness in the dust proof box can be guaranteed on the one hand in the design of sealing washer, on the other hand also can play further dustproof effect, prevents promptly that the dust from entering into the dust proof box in the clearance of outlet duct and dust proof box, causes the pollution of incasement semi-manufactured goods.

Further, an air inlet valve is arranged in the air inlet pipe. The air inlet pipe is filled with nitrogen and is connected with an external air pipe power device. The air inlet valve controls the purging of nitrogen.

Furthermore, the edge of the dustproof door is provided with a sealing strip for sealing a gap between the dustproof door and the dustproof box. This design can guarantee the gas tightness in the dust proof box on the one hand, and on the other hand can prevent that the dust from getting into the dust proof box from the clearance between dust door and dust proof box in, causes the pollution of incasement semi-manufactured goods.

Further, the air inlet pipe and the air outlet pipe are arranged on two opposite side faces in the dustproof box.

The cleaning device for the semi-finished solar cell product can be compatible with flower baskets with various sizes and specifications, and is required to be placed on a flat table top when in use; the utility model is provided with a ventilation structure communicated with a dust-proof box, and the ventilation structure comprises an air inlet pipe, an air outlet pipe, an air inlet valve, a vent hole, a rubber sealing ring and the like. Specifically, the air vents are arranged in two and are respectively arranged on two opposite side surfaces in the dustproof box, the two air vents are respectively connected with the air inlet pipe and the air outlet pipe, and the two rubber sealing rings are respectively arranged in the two air vents and are used for ensuring the air tightness between the air inlet pipe and the air outlet pipe and the dustproof box. The dustproof case is characterized in that a dustproof door is arranged above the dustproof case, a handle is arranged on the dustproof door, and the dustproof door is connected to the dustproof case through a 270-degree hinge so as to be opened and closed conveniently.

When the cleaning device for the semi-finished solar cell provided by the utility model is used: opening an air inlet valve, opening a dustproof door, introducing nitrogen into a dustproof box for purging, and cleaning the interior of the dustproof box; the flower basket storing the semi-finished solar cell is placed in the dust-proof box, nitrogen is continuously introduced, then the dust-proof door is closed, and the whole working process is completed. The device has the characteristics of convenience in use, simple structure, wide application range and the like, can improve the clean state of the semi-finished solar cell product in the production process, and avoids secondary pollution, thereby improving the yield of the cell.

The utility model has the beneficial effects that:

(1) the cleaning device for the semi-finished solar cell product can realize stable production, simultaneously avoid secondary pollution of patches of each process of each line in the production process, and improve the process sanitation of the whole process section.

(2) The cleaning device for the semi-finished solar cell product has the characteristics of convenience in use, simple structure, wide application range and the like, can improve the clean state of the semi-finished solar cell product in the production process, avoids secondary pollution, and accordingly improves the yield of cell pieces.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural view of a cleaning apparatus for a semi-finished solar cell according to the present invention.

In the figure: 1 dustproof box, 2 dustproof doors, 3 air inlet pipes, 4 air outlet pipes, 5 handles, 6 air inlet valves and 7 sealing strips.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, as used herein, refer to an orientation or positional relationship only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention.

Example 1

A cleaning device for a semi-finished product of a solar cell comprises a dustproof box 1, a dustproof door 2, an air inlet pipe 3 and an air outlet pipe 4; the inner space of the dust-proof box 1 is used for placing a flower basket for storing the semi-finished solar cell; the dustproof door 2 is hinged to the dustproof box 1 through a 270-degree hinge; the dustproof door 2 is used for sealing the dustproof box 1; the air inlet pipe 3 and the air outlet pipe 4 are connected to two opposite side surfaces of the dust-proof box 1 and are communicated with the inside of the dust-proof box 1; an air inlet valve 6 is arranged in the air inlet pipe 3.

Preferably, the cleaning apparatus for a semi-finished solar cell of embodiment 1: the internal dimension of the dust-proof box 1 can be compatible with flower baskets with various specifications, so that the application range of the dust-proof box is wide. Preferably, a handle 5 is fixedly connected to the exterior of the dust-proof door 2 through a screw, so as to facilitate opening and closing of the dust-proof door. Preferably, a rubber sealing ring for ensuring air tightness is arranged at the joint of the air inlet pipe 3 and the dust-proof box 1; the joint of the air outlet pipe 4 and the dust-proof box 1 is also provided with a rubber sealing ring for ensuring air tightness. Preferably, the edge of the dust-proof door 2 is provided with a sealing strip 7 for further sealing a gap between the dust-proof door 2 and the dust-proof box 1, and the sealing strip 7 can further prevent dust from entering the interior of the dust-proof box 1 from the gap.

When the cleaning device for the semi-finished solar cell product is used: the air inlet valve 6 is opened, the dustproof door 2 is opened, nitrogen is introduced into the dustproof box 1 through the air inlet pipe 3 for purging, and the interior of the dustproof box 1 can be cleaned firstly; then, placing the flower basket storing the semi-finished solar cell in a dust-proof box 1, continuously introducing nitrogen, and closing a dust-proof door 2 to finish the whole working process; the cleaning device is convenient to use, simple in structure, wide in application range and the like, can improve the cleaning state in the production process of semi-finished solar cells, and avoids secondary pollution, so that the yield of the cells is improved.

The above-mentioned preferred embodiments of the present invention are provided for illustration only and not for the purpose of limiting the utility model. Obvious variations or modifications of the present invention are within the scope of the present invention.

Claims

1. A cleaning device for a semi-finished product of a solar cell is characterized by comprising a dustproof box (1), a dustproof door (2), an air inlet pipe (3) and an air outlet pipe (4); the inner space of the dust-proof box (1) is used for placing a flower basket for storing semi-finished solar cells; the dustproof door (2) is hinged on the dustproof box (1); the dustproof door (2) is used for sealing the dustproof box (1); the air inlet pipe (3) and the air outlet pipe (4) are connected to the dust-proof box (1) and communicated with the inside of the dust-proof box (1).

2. The cleaning device for the semi-finished solar cells according to claim 1, wherein the dust-proof box (1) has internal dimensions compatible with baskets of flowers of various specifications.

3. The cleaning device for the semi-finished products of the solar cells is characterized in that the dustproof door (2) is hinged on the dustproof box (1) through a hinge, and the maximum overturning angle of the dustproof door (2) is 270 degrees.

4. The cleaning device for the semi-finished product of the solar cell is characterized in that a handle (5) is arranged on the dustproof door (2).

5. The cleaning device for the semi-finished product of the solar cell is characterized in that a sealing ring for ensuring air tightness is arranged at the joint of the air inlet pipe (3) and the dust-proof box (1).

6. The cleaning device for the semi-finished product of the solar cell as claimed in claim 1, wherein a sealing ring for ensuring air tightness is arranged at the joint of the air outlet pipe (4) and the dust-proof box (1).

7. The cleaning device for the semi-finished product of the solar cell as claimed in claim 1, wherein the air inlet pipe (3) is provided with an air inlet valve (6).

8. The cleaning device for the semi-finished product of the solar cell is characterized in that a sealing strip (7) for sealing a gap between the dustproof door (2) and the dustproof box (1) is arranged at the edge of the dustproof door (2).

9. The cleaning device for the semi-finished product of the solar cell as claimed in claim 1, wherein the air inlet pipe (3) and the air outlet pipe (4) are arranged on two opposite sides of the dustproof box (1).