CN213020972U

CN213020972U - Purging furnace for producing solar cell

Info

Publication number: CN213020972U
Application number: CN202022013706.5U
Authority: CN
Inventors: 钱超; 谢东辰
Original assignee: Zhejiang Taiheng New Energy Co ltd
Current assignee: Zhejiang Taiheng New Energy Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-04-20
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a solar wafer production is with sweeping stove, including sweeping stove shell body and pressure release subassembly, the inside hollow layer that is provided with of stove shell body is swept, and the outside of hollow layer is provided with interior casing, the outside front end of the stove shell body of sweeping is connected with the furnace gate that sweeps through the hinge, the electric coil is installed to the inside top of interior casing, the outside top of the stove shell body of sweeping is installed the motor, and the below of motor is provided with the axostylus axostyle. This solar wafer production is with sweeping stove compares with current ordinary stove that sweeps, avoids sweeping the gas of stove inside and leaks, can observe the condition of sweeping the stove in through sweeping the furnace gate, and the pressure release subassembly prevents to sweep the too big emergence explosion accident of stove internal pressure, in time carries out the pressure release for it is higher to sweep stove reliability of use, can reduce the use risk, reduces the incidence of accident, hardly produces the condition of hindering the people, consequently has higher security, avoids exploding.

Description

Purging furnace for producing solar cell

Technical Field

The utility model relates to a solar wafer production technical field specifically is solar wafer production is with sweeping stove.

Background

The solar cell is divided into a crystalline silicon type and an amorphous silicon type, wherein the crystalline silicon type cell can be divided into a single crystal cell and a polycrystalline cell; the efficiency of monocrystalline silicon is more different from that of crystalline silicon, the production process flow of the solar cell is divided into silicon wafer detection, surface texture making and acid cleaning, diffusion and knot making, phosphorosilicate glass removal, plasma etching and acid cleaning, antireflection film plating, screen printing, rapid sintering and the like, wherein equipment used for rapid sintering is a blowing furnace.

The existing purging furnace is single in function, simple in structure and free of an explosion-proof structure, heat inside the purging furnace is dissipated quickly, products cannot be heated well, safety accidents occur easily when the air pressure inside the purging furnace is too high, the use requirements of people cannot be met well, and technical innovation is performed on the basis of the existing purging furnace according to the situation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solar wafer production is with sweeping stove to provide general stove function singleness that sweeps in solving above-mentioned background art, simple structure does not possess explosion-proof construction, and the heat that sweeps stove inside scatters and disappears is comparatively fast, can not be fine to the product heating, when sweeping the inside atmospheric pressure of stove when too high, takes place the incident easily, the user demand problem that satisfies people that can not be fine.

In order to achieve the above object, the utility model provides a following technical scheme: the purging furnace for producing the solar cell comprises a purging furnace outer shell and a pressure relief assembly, wherein a hollow layer is arranged inside the purging furnace outer shell, an inner shell is arranged outside the hollow layer, the front end of the outside of the purging furnace outer shell is connected with a purging furnace door through a hinge, an electric coil is arranged above the inside of the inner shell, a motor is arranged above the outside of the purging furnace outer shell, a shaft rod is arranged below the motor, a placing seat is fixed outside the shaft rod, a fan shell is fixed on one side of the outside of the purging furnace outer shell, a fan body is arranged inside the fan shell, a sealing plate is fixed outside the fan body, the pressure relief assembly is located on the other side of the outside of the purging furnace outer shell, the pressure relief assembly comprises a pressure relief shell, a cone core head, a rod body and a spring, a cone core head is arranged inside the pressure relief shell, and a rod body is arranged inside the cone core head, and a spring is arranged outside the rod body.

Preferably, constitute the integral structure between hollow layer and the interior casing, and the axis of hollow layer coincides mutually with the axis of blowing stove shell body.

Preferably, the purging furnace door and the purging furnace outer shell form a rotating structure through a hinge, and the central axis of the purging furnace door coincides with the central axis of the purging furnace outer shell.

Preferably, the axostylus axostyle constitutes integrated structure with placing the seat, and places the seat and be the symmetric distribution along the axis of axostylus axostyle.

Preferably, the fan body is movably connected with the fan shell, and the fan body and the sealing plate form an integrated structure.

Preferably, the inner surface of the conical core head is tightly attached to the outer surface of the rod body, and the conical core head and the rod body form an elastic structure through a spring.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a setting of sweeping stove shell body, hollow layer and interior casing, the inside winding of sweeping stove shell body has the interior casing, has consolidated sweeping stove whole, and the hollow design is convenient for cool down to the heat that passes out, avoids user and sweeping stove shell body touching to cause the damage, keeps warm to the interior casing simultaneously, effectively reduces the heat transfer;

2. the utility model can uniformly heat the product through the arrangement of the motor, the shaft lever and the placing seat, has high thermal efficiency and uniform temperature, can quickly heat the product with high quality, and avoids secondary heating of the product, thereby leading to different product quality and improving the yield of the product;

3. the utility model discloses a closing plate, pressure release subassembly, pressure release casing, the awl head, the setting of the body of rod and spring, avoid sweeping the inside gas of stove and leaking, can observe the condition in the stove of sweeping through sweeping the furnace gate, pressure release subassembly prevents to sweep the too big emergence accident of stove internal pressure, in time carries out the pressure release, make to sweep the stove and use the reliability higher, can reduce the use risk, reduce the incidence of accident, hardly produce the condition of hindering the people, consequently, have higher security, avoid exploding.

Drawings

FIG. 1 is a schematic view of a front view half-section structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a right side view of the structure of the present invention;

fig. 4 is the utility model discloses pressure release subassembly semi-section enlarged structure schematic diagram.

In the figure: 1. purging the furnace outer shell; 2. a hollow layer; 3. an inner housing; 4. a hinge; 5. purging the furnace door; 6. an electric coil; 7. a motor; 8. a shaft lever; 9. a placing seat; 10. a fan housing; 11. a fan body; 12. a sealing plate; 13. a pressure relief assembly; 1301. a pressure relief housing; 1302. a cone center head; 1303. a rod body; 1304. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the purging furnace for producing the solar cell comprises a purging furnace outer shell 1 and a pressure relief assembly 13, wherein a hollow layer 2 is arranged inside the purging furnace outer shell 1, an inner shell 3 is arranged outside the hollow layer 2, an integrated structure is formed between the hollow layer 2 and the inner shell 3, the central axis of the hollow layer 2 is coincident with the central axis of the purging furnace outer shell 1, and through the arrangement of the purging furnace outer shell 1, the hollow layer 2 and the inner shell 3, the inner shell 3 is wound inside the purging furnace outer shell 1 to reinforce the whole purging furnace, and the hollow design is convenient for cooling transferred heat, so that damage caused by the touch of a user and the purging furnace outer shell 1 is avoided, meanwhile, the heat preservation is carried out inside the inner shell 3, and the heat transfer is effectively reduced;

the front end of the outer part of the blowing furnace outer shell 1 is connected with a blowing furnace door 5 through a hinge 4, the blowing furnace door 5 forms a rotating structure with the blowing furnace outer shell 1 through the hinge 4, the central axis of the blowing furnace door 5 coincides with the central axis of the blowing furnace outer shell 1, an electric coil 6 is arranged above the inner part of the inner shell 3, a motor 7 is arranged above the outer part of the blowing furnace outer shell 1, a shaft lever 8 is arranged below the motor 7, a placing seat 9 is fixed outside the shaft lever 8, the shaft lever 8 and the placing seat 9 form an integrated structure, the placing seats 9 are symmetrically distributed along the central axis of the shaft lever 8, the products can be uniformly heated through the arrangement of the motor 7, the shaft lever 8 and the placing seat 9, the heat efficiency is high, the temperature is uniform, the product quality produced by heating is high, the products can be conveniently and rapidly heated, the secondary heating, thereby improving the yield of the product;

the outer side of the blowing furnace shell 1 is fixed with a fan shell 10, the fan shell 10 is internally provided with a fan body 11, the fan body 11 is movably connected with the fan shell 10, the fan body 11 and the sealing plate 12 form an integrated structure, the outer part of the fan body 11 is fixed with the sealing plate 12, the pressure relief assembly 13 is positioned at the other side of the outer part of the blowing furnace shell 1, the pressure relief assembly 13 comprises a pressure relief shell 1301, a cone core head 1302, a rod body 1303 and a spring 1304, the pressure relief shell 1301 is internally provided with the cone core head 1302, the rod body 1303 is arranged inside the cone core head 1302, the spring 1304 is arranged outside the rod body 1303, the inner surface of the cone core head 1302 is tightly attached to the outer surface of the rod body 1303, the cone core head 1302 forms an elastic structure with the rod body 1303 through the spring 1304, and the sealing plate 12, the pressure relief assembly 13, the pressure relief shell 1301, the cone core head, the rod body, avoid sweeping the inside gas of stove and leaking, can observe the condition of sweeping the stove in through sweeping furnace gate 5, pressure release subassembly 13 prevents to sweep the too big emergence explosion accident of stove internal pressure, in time carries out the pressure release for it is higher to sweep the stove and use the reliability, can reduce the use risk, reduces the incidence of accident, hardly produces the condition of hindering the people, consequently has higher security, avoids exploding.

The working principle is as follows: when the purging furnace for producing the solar cell is used, firstly, the purging furnace door 5 is opened, the purging furnace door 5 and the purging furnace outer shell 1 are opened in a rotating mode through the hinge 4, a product is placed above the placing seat 9, the purging furnace door 5 is closed, the purging furnace is started, the electric coil 6 heats the inner shell 3, the motor 7 is started to drive the shaft rod 8 to rotate, the placing seat 9 is welded on the outer portion of the shaft rod 8, the product rotates and is uniformly heated, the hollow layer 2 is arranged between the purging furnace outer shell 1 and the inner shell 3, heat loss is prevented, heat transfer is reduced, when the internal pressure of the inner shell 3 is overlarge, the pressure relief assembly 13 arranged on the outer portion of the purging furnace outer shell 1 can timely relieve pressure, the conical head 1302 and the rod body 1303 are pushed by gas pressure to stretch, the spring 1304 is arranged between the conical head 1302 and the rod body, automatic reset can be realized after pressure relief is, the blower body 11 arranged inside the blower shell 10 is started, air is blown into the inner shell 3 to effectively remove accumulated combustible materials in the inner shell, then the blower body 11 is pushed, the sealing plate 12 welded on the outer portion of the blower body 11 moves along with the blower body, the ventilation hole of the blower shell 10 is sealed, and the next use is carried out, namely the working principle of the blowing furnace for producing the solar cell slice.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Solar wafer production is with sweeping stove, including sweeping stove outer casing (1) and pressure release subassembly (13), its characterized in that: the blowing furnace is characterized in that a hollow layer (2) is arranged inside a blowing furnace outer shell (1), an inner shell (3) is arranged outside the hollow layer (2), the front end of the outside of the blowing furnace outer shell (1) is connected with a blowing furnace door (5) through a hinge (4), an electric coil (6) is arranged above the inside of the inner shell (3), a motor (7) is arranged above the outside of the blowing furnace outer shell (1), a shaft lever (8) is arranged below the motor (7), a placing seat (9) is fixed outside the shaft lever (8), a fan shell (10) is fixed on one side of the outside of the blowing furnace outer shell (1), a fan body (11) is arranged inside the fan shell (10), a sealing plate (12) is fixed outside the fan body (11), and a pressure relief assembly (13) is positioned on the other side of the outside of the blowing furnace outer shell (1), pressure release subassembly (13) are including pressure release casing (1301), awl core head (1302), body of rod (1303) and spring (1304), and the internally mounted of pressure release casing (1301) has awl core head (1302), the inside of awl core head (1302) is provided with body of rod (1303), and the externally mounted of body of rod (1303) has spring (1304).

2. The purging furnace for producing the solar cell piece according to claim 1, wherein: constitute the integral structure between hollow layer (2) and interior casing (3), and the axis of hollow layer (2) coincides mutually with the axis of sweeping stove shell body (1).

3. The purging furnace for producing the solar cell piece according to claim 1, wherein: the blowing furnace door (5) and the blowing furnace outer shell (1) form a rotating structure through a hinge (4), and the central axis of the blowing furnace door (5) coincides with the central axis of the blowing furnace outer shell (1).

4. The purging furnace for producing the solar cell piece according to claim 1, wherein: the shaft lever (8) and the placing seat (9) form an integrated structure, and the placing seat (9) is symmetrically distributed along the central axis of the shaft lever (8).

5. The purging furnace for producing the solar cell piece according to claim 1, wherein: the fan body (11) is movably connected with the fan shell (10), and the fan body (11) and the sealing plate (12) form an integrated structure.

6. The purging furnace for producing the solar cell piece according to claim 1, wherein: the inner surface of the conical core head (1302) is tightly attached to the outer surface of the rod body (1303), and the conical core head (1302) and the rod body (1303) form an elastic structure through the spring (1304).