CN216902847U

CN216902847U - Graphite boat for improving heat conduction

Info

Publication number: CN216902847U
Application number: CN202122969197.8U
Authority: CN
Inventors: 郑国栋
Original assignee: Yancheng Tianhe Guoneng Photovoltaic Technology Co ltd
Current assignee: Yancheng Tianhe Guoneng Photovoltaic Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-07-05
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a graphite boat for improving heat conduction, which comprises a first graphite boat piece, wherein a hole is formed in the side wall of the first graphite boat piece, a fixing column is fixedly connected in the hole, a second graphite boat piece is fixedly connected to the surface of the fixing column and positioned on one side of the first graphite boat piece, a nut is connected to the surface of the fixing column in a threaded manner, a first fixing ring is fixedly connected to the surface of the fixing column and positioned on one side of the first graphite boat piece, a second fixing ring is fixedly connected to the surface of the fixing column and positioned on one side of the first graphite boat piece, a graphite block is arranged on the side wall of the first graphite boat piece and positioned on the lower side of the first graphite boat piece, and a groove is formed in the front wall of the graphite block. According to the utility model, the first graphite boat piece and the second graphite boat piece can be fixed through the fixing columns, and then the first graphite boat piece can be reinforced through the first fixing ring and the second fixing ring, so that the first graphite boat piece can be prevented from falling off, the position of a furnace opening of the graphite boat can be reduced through the graphite block and the groove, and chromatic aberration can be reduced.

Description

Graphite boat for improving heat conduction

Technical Field

The utility model relates to the field of graphite boats, in particular to a graphite boat for improving heat conduction.

Background

The graphite boat is a graphite mould, the graphite mould is a carrier, and raw materials and parts which need to be positioned or shaped can be placed in the graphite mould together for high-temperature sintering and forming. The graphite mould is made of artificial graphite through mechanical processing. Therefore, the graphite mold sometimes becomes a graphite boat, and the graphite boat is used as a carrier when the solar cell is plated with the antireflection film, and the structure and the size of the graphite boat directly influence the conversion efficiency and the production efficiency of the silicon wafer.

When the existing graphite boat is used, the color of the corners of the silicon wafer is abnormal sometimes, usually, a fixed ceramic rod is loosened or broken, the temperature of the designed furnace mouth position of the existing graphite boat is uneven, and the color difference ratio is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a graphite boat with improved heat conduction.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an improve heat-conducting graphite boat, includes graphite boat piece one, the lateral wall of graphite boat piece one is seted up porosely, and downthehole fixedly connected with fixed column, the surface of fixed column just is located graphite boat piece one side fixedly connected with graphite boat piece two, the surperficial threaded connection of fixed column has nut two, the surface of fixed column just is located graphite boat piece one side fixedly connected with solid fixed ring one, the surface of fixed column just is located graphite boat piece one side fixedly connected with solid fixed ring two, the lateral wall of graphite boat piece one just is located the downside and is provided with the graphite cake, the antetheca of graphite cake is seted up flutedly.

As a further description of the above technical solution:

the first graphite boat pieces are distributed at equal intervals.

As a further description of the above technical solution:

the number of the second graphite boat pieces is a plurality, the second graphite boat pieces are distributed at equal intervals, and the second graphite boat pieces are located between the first two graphite boat pieces.

As a further description of the above technical solution:

the first fixing rings are a plurality of in number, the second fixing rings are a plurality of in number, and the first fixing rings and the second fixing rings are arranged on two sides of the first graphite boat piece.

As a further description of the above technical solution:

the quantity of graphite piece is a plurality of, and graphite piece equidistance distributes, the graphite piece is located between two graphite boat pieces one.

As a further description of the above technical solution:

and a first nut and a third nut are in threaded connection with the side wall of the first graphite boat piece and positioned at the graphite block, and the first nut and the third nut are in a plurality of numbers.

As a further description of the above technical solution:

and hollow parts are arranged on the side wall of the first graphite boat piece, and the number of the hollow parts is a plurality.

As a further description of the above technical solution:

the side wall of the first graphite boat piece is provided with a plurality of clamping points.

The utility model has the following beneficial effects:

1. compared with the prior art, the graphite boat capable of improving heat conduction can fix the first graphite boat piece and the second graphite boat piece through the fixing columns, and then can reinforce the first graphite boat piece through the first fixing ring and the second fixing ring, so that the first graphite boat piece can be prevented from falling off.

2. Compared with the prior art, the graphite boat with improved heat conduction can reduce the position of the furnace mouth of the graphite boat through the graphite blocks and the grooves, and can reduce color difference.

Drawings

FIG. 1 is a schematic perspective view of a graphite boat for improving heat conduction according to the present invention;

FIG. 2 is a side view of a graphite boat for improved heat transfer according to the present invention.

Illustration of the drawings:

1. a first graphite boat sheet; 2. a first nut; 3. graphite blocks; 4. a groove; 5. a graphite boat sheet II; 6. a second nut; 7. fixing a column; 8. a first fixing ring; 9. a second fixing ring; 10. a third nut; 11. a hollow-out section; 12. and (4) stuck points.

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. 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a graphite boat with improved heat conduction: the graphite boat comprises a graphite boat sheet 1, a hole is formed in the side wall of the graphite boat sheet 1, a fixed column 7 is fixedly connected in the hole, a plurality of parts are arranged on the fixed column, a graphite boat sheet II 5 is fixedly connected to the surface of the fixed column 7 and positioned on one side of the graphite boat sheet I1, a nut II 6 is connected to the surface of the fixed column 7 in a threaded manner and matched with a fixing ring I8 to prevent the graphite boat sheet I1 from moving, a fixing ring I8 is fixedly connected to the surface of the fixed column 7 and positioned on one side of the graphite boat sheet I1 to fix the graphite boat sheet I1 at the edge and clamp the graphite boat sheet I1 with a fixing ring II 9 to prevent the graphite boat sheet I1 from moving, so that the distance between the graphite boat sheets I1 is different to cause electric field change, thereby causing abnormal film coating rate at the position, the color is different from other positions and forming color difference, a fixing ring II 9 is fixedly connected to the surface of the fixed column 7 and positioned on one side of the graphite boat sheet I1, the graphite boat piece I1 can be fixed, the graphite block 3 is arranged on the side wall and the lower side of the graphite boat piece I1, and the front wall of the graphite block 3 is provided with the groove 4, so that the position of a boat furnace mouth is low, and the color difference of a film is small; the boat is provided with a groove 4, and the transverse baffle of the furnace charging opening is uniformly provided with air guide openings.

The number of the first graphite boat pieces 1 is a plurality, and the first graphite boat pieces 1 are distributed at equal intervals, so that the electric field between the first graphite boat pieces 1 cannot be changed, the processing effect cannot be influenced, and the color difference of the film cannot be changed.

The second graphite boat pieces 5 are distributed at equal intervals, and the second graphite boat pieces 5 are positioned between the first two graphite boat pieces 1, so that the stability of an electric field is kept, and color difference cannot be caused.

The number of the first fixing rings 8 is a plurality of, the number of the second fixing rings 9 is a plurality of, and the first fixing rings 8 and the second fixing rings 9 are arranged on two sides of the first graphite boat piece 1, so that the first graphite boat pieces 1 can be fixed.

The number of graphite block 3 is a plurality of, and graphite block 3 equidistance distributes, and graphite block 3 is located between two graphite boat pieces 1, and the position of fire door is lower, enables the membrane colour difference lower, and it has recess 4, the horizontal baffle of adding the fire door evenly to be equipped with the wind-guiding mouth to open on the boat.

The side wall of the graphite boat piece I1 and the position, located on the graphite block 3, of the graphite boat piece I are in threaded connection with a nut I2 and a nut III 10, and the number of the nut I2 and the nut III 10 is a plurality.

The side wall of the graphite boat piece 1 is provided with the hollow parts 11, the number of the hollow parts 11 is a plurality, the side wall of the graphite boat piece 1 is provided with the clamping points 12, the number of the clamping points 12 is a plurality, the clamping points 12 can fix the silicon wafer, and the silicon wafer cannot shake.

The working principle is as follows: the first fixing column 7 is fixedly provided with a first graphite boat piece 1 and a second graphite boat piece 5 which are distributed in a staggered mode and are equidistant, two sides of the first graphite boat piece 1 in the middle are respectively fixedly provided with a first fixing ring 8 and a second fixing ring 9, the first graphite boat piece 1 can be prevented from loosening, two sides of the first graphite boat pieces 1 at two ends are respectively fixedly provided with a second nut 6 and a first fixing ring 8, a graphite block 3 is clamped between the two first graphite boat pieces 1, the graphite block 3 is provided with a groove 4, and the side wall of the first graphite boat piece 1 is provided with a clamping point 12 which can fix a silicon wafer.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A graphite boat for improving heat conduction comprises a first graphite boat sheet (1), and is characterized in that: the side wall of the first graphite boat piece (1) is provided with a hole, a fixing column (7) is fixedly connected in the hole, the surface of the fixing column (7) is located on one side of the first graphite boat piece (1) and is fixedly connected with a second graphite boat piece (5), the surface of the fixing column (7) is in threaded connection with a second nut (6), the surface of the fixing column (7) is located on one side of the first graphite boat piece (1) and is fixedly connected with a first fixing ring (8), the surface of the fixing column (7) is located on one side of the first graphite boat piece (1) and is fixedly connected with a second fixing ring (9), the side wall of the first graphite boat piece (1) is located on the lower side and is provided with a graphite block (3), and a groove (4) is formed in the front wall of the graphite block (3).

2. The graphite boat of claim 1, wherein: the number of the first graphite boat pieces (1) is a plurality, and the first graphite boat pieces (1) are distributed at equal intervals.

3. The graphite boat of claim 1, wherein: the number of the second graphite boat pieces (5) is a plurality, the second graphite boat pieces (5) are distributed at equal intervals, and the second graphite boat pieces (5) are located between the first graphite boat pieces (1).

4. The graphite boat of claim 1, wherein: the quantity of solid fixed ring one (8) is a plurality of, the quantity of solid fixed ring two (9) is a plurality of, gu fixed ring one (8) and solid fixed ring two (9) set up the both sides at graphite boat piece one (1).

5. The graphite boat of claim 1, wherein: the quantity of graphite piece (3) is a plurality of, and graphite piece (3) equidistance distributes, graphite piece (3) are located between two graphite boat pieces (1).

6. The graphite boat of claim 1, wherein: the side wall of the first graphite boat piece (1) and the position, located on the graphite block (3), of the side wall are in threaded connection with a first nut (2) and a third nut (10), and the number of the first nut (2) and the third nut (10) is multiple.

7. The graphite boat of claim 1, wherein: the side wall of the first graphite boat piece (1) is provided with hollow parts (11), and the number of the hollow parts (11) is a plurality.

8. The graphite boat of claim 1, wherein: the side wall of the graphite boat piece I (1) is provided with clamping points (12), and the number of the clamping points (12) is a plurality.