Solar cell furnace

Abstract

The utility model belongs to the technical field of solar cell production, and particularly relates to a solar cell furnace which comprises a furnace body, and tie bars are arranged on the upper half portion of the circumferential inner wall of the furnace body in an annular array mode. A plurality of annular furnace body heating wires are arranged in the supporting base side by side, in order to prolong the service life of the furnace body heating wires and improve the stability of a furnace cavity, lacing wires are arranged on the upper half portion of the circumferential inner wall of the furnace body in an annular array mode, hoisting buckles are buckled on the furnace body heating wires at equal included angles, and under the cooperation of the pull rings, the furnace body heating wires are fixed through the hoisting buckles. According to the furnace body heating wire hoisting device, the furnace body heating wire can be hoisted and fixed, the furnace body heating wire can be kept in a stable form by increasing the hoisting density and stress points, stress is more dispersed during load bearing, the deformation probability of the furnace body heating wire can be reduced, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to solar cell production technical field, specifically a solar cell furnace. BACKGROUND

[0002] Solar photovoltaic system refers to the facility that utilizes the photovoltaic effect of photovoltaic semiconductor material to convert solar energy into DC power, and the core of the photovoltaic facility is solar cell panel, and the semiconductor material for power generation mainly includes single crystal silicon, polycrystalline silicon, amorphous silicon and cadmium telluride, etc., and when the cell panel is produced, the cell piece needs to be heated and treated by the cell furnace.

[0003] The announcement number of the existing file is CN 217560356 U, which is a lithium battery sintering kiln furnace lining, including the furnace wall refractory bricks built into the furnace cavity, the outer side of the furnace wall refractory bricks is built with the lining refractory bricks, and the furnace pipe insulation layer and the furnace pipe shell are sequentially arranged on the outer side of the lining refractory bricks. A lock catch structure is embedded in the built-in joint of two adjacent furnace wall refractory bricks, the lock catch structure includes two oppositely arranged lock mortise and lock mortise plug, the concave surface at both ends of the lock mortise is respectively inserted into the lock catch groove of two adjacent furnace wall refractory bricks, and the lock mortise plug is inserted between the two oppositely arranged lock mortises. An axial reinforcing bar is inserted through the lock mortise plug. The kiln furnace lining not only has strong brick bonding force, but also can effectively prevent heat leakage and has high baking thermal efficiency.

[0004] In the original electric heating furnace, four reinforcing bars are used to fix the furnace heating wire, which is unstable in lifting, causing the furnace heating wire to deform and affecting the service life. Since the furnace heating wire deforms, it also affects the uniformity of the heating of the cell piece. Therefore, a solar cell furnace is proposed to solve the above problems. Utility model content

[0005] In order to make up for the shortcomings of the prior art, in view of the problem that four reinforcing bars are used to fix the furnace heating wire in the original electric heating furnace, which is unstable in lifting, causing the furnace heating wire to deform and affecting the service life, and since the furnace heating wire deforms, it also affects the uniformity of the heating of the cell piece, the utility model provides a solar cell furnace, the upper half of the circumferential inner wall of the furnace body is arranged in a ring array with nine reinforcing bars, which can realize the lifting and fixing of the furnace heating wire. By increasing the lifting density and stress points, the furnace heating wire can maintain a stable shape, reduce the probability of deformation of the furnace heating wire, and prolong the service life.

[0006] The utility model solves the technical scheme adopted by the technical problem, which is a solar cell furnace, including the furnace body, the upper half of the circumferential inner wall of the furnace body is arranged in a ring array with nine reinforcing bars, and the bottom of the furnace body is provided with a supporting seat.

[0007] The furnace body heating wire is arranged in parallel with a plurality of circular furnace body heating wires in the inside of the support base.

[0008] The lifting buckle is arranged on the furnace body heating wire at an equal angle, and a connecting hole is formed in the lifting buckle.

[0009] The pull ring is connected to the connecting hole of the lifting buckle, and the pull ring is connected to the pull ring.

[0010] The port position of the furnace body is provided with a conveying cover, and the thickness of the conveying cover is the same as the gap between the furnace body heating wire and the furnace body.

[0011] Preferably, the lifting buckle is arranged at equal intervals on the upper half of the furnace body heating wire, and the lifting buckle is a semicircular elastic buckle, which can be connected to the furnace body heating wire to fix the furnace body heating wire.

[0012] Preferably, the furnace body heating wire and the furnace body are concentric structures, and the pull ring is arranged around the inner wall of the furnace body, which can better maintain the shape of the furnace body heating wire under the action of the pull ring, and can ensure that the furnace body heating wire is uniformly stressed when being lifted.

[0013] Preferably, the bottom of the furnace body is provided with a support base, and the support base is provided with a mounting hole, which facilitates the installation and erection of the furnace body and ensures the stability of the furnace body.

[0014] Preferably, the inside of the furnace body is provided with a plurality of support bars and protection bars, the support bars and the protection bars are arranged at intervals, and the support bars and the protection bars are arranged in the circle of the furnace body heating wire, respectively, and the support bars and the protection bars are provided with a placing groove, which can better support the quartz boat, avoid direct contact between the quartz boat and the electric heating furnace heating wire, and cause damage to the quartz boat, and can avoid displacement of the quartz boat in the furnace cavity, and ensure stable state of the quartz boat during heating.

[0015] Preferably, the outer side wall of the furnace body is provided with a power connection terminal for controlling the power supply of the furnace body heating wire.

[0016] The utility model discloses the beneficial effect lies in:

[0017] In order to heat the solar silicon wafer, the silicon wafer is placed in the quartz boat, the quartz boat is placed on the transfer frame, the quartz boat is placed into the inner chamber through the cooperation of the conveying mechanism, after being placed, in order to improve the service life of the furnace body heating wire and the stability of the furnace chamber, the upper half of the circumferential inner wall of the furnace body is provided with a plurality of pull rings in a ring array, the hoisting buckle is buckled on the furnace body heating wire at an equal angle, under the cooperation of the pull ring, the hoisting and fixing of the furnace body heating wire can be realized, by increasing the hoisting density and the stress point, the furnace body heating wire can maintain a stable form, when bearing, the stress is more dispersed, the probability of deformation of the furnace body heating wire can be reduced, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below.

[0019] Figure 1 It is a whole structure diagram of the battery furnace.

[0020] Figure 2 It is an internal structure diagram of the battery furnace.

[0021] Figure 3 It is a pull ring display structure diagram.

[0022] Figure 4 It is Figure 3 A region structure diagram in

[0023] Figure 5 It is Figure 2 B region structure diagram in

[0024] In the figure: 1, support seat, 2, furnace body heating wire, 3, support strip, 4, protection strip, 5, furnace body, 6, power supply connection terminal, 7, conveying cover, 8, pull ring, 9, pull ring, 10, hoisting buckle. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the present application will be described clearly and completely below by combining the drawings in the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the present application.

[0026] Please refer to Figures 1-5 The solar battery furnace shown in the figure, including the furnace body 5, the upper half of the circumferential inner wall of the furnace body 5 is provided with a plurality of pull rings 8 in a ring array, in the embodiment, the number of pull rings 8 is 9. In another embodiment of the present application, the number of pull rings 8 is 6. In another embodiment of the present application, the number of pull rings 8 is 4.

[0027] The furnace body heating wire 2 is arranged in parallel inside the support seat 1 and is in the shape of a ring.

[0028] The lifting buckle 10 is arranged at an equal angle on the furnace body heating wire 2, and the connecting hole is arranged on the lifting buckle 10.

[0029] The pull ring 9 is connected to the connecting hole of the lifting buckle 10, and the pull ring 9 is connected to the pull ring 8.

[0030] The port position of the furnace body 5 is provided with a conveying cover 7, and the thickness of the conveying cover 7 is the same as the gap between the furnace body heating wire 2 and the furnace body 5.

[0031] The lifting buckle 10 is arranged at an equal angle on the furnace body heating wire 2, and the connecting hole is arranged on the lifting buckle 10.

[0032] The furnace body heating wire 2 and the furnace body 5 are concentric structures, the pull ring 8 is arranged around the inner wall of the furnace body 5, which better maintains the shape of the furnace body heating wire 2, and through multidirectional stress, it can ensure that the furnace body heating wire 2 is evenly stressed when hoisted.

[0033] The bottom of the furnace body 5 is provided with a support seat 1, and the mounting hole is arranged on the support seat 1, which facilitates the installation of the furnace body 5 and ensures the stability of the furnace body 5.

[0034] The inside of the furnace body 5 is provided with a plurality of support strips 3 and protective strips 4, which are arranged at intervals, and the support strips 3 and protective strips 4 are arranged in the circle of the furnace body heating wire 2, respectively.

[0035] The outer side wall of the furnace body 5 is provided with a power supply connection terminal 6 for controlling the power supply of the furnace body heating wire 2, which can be matched to realize the electric control of multiple furnace body heating wires 2.

[0036] Working principle: in order to heat the solar silicon wafer, the silicon wafer is placed in the quartz boat, the quartz boat is placed on the transfer frame, and the quartz boat is placed in the furnace body 5 under the cooperation of the conveying mechanism, after placing, the annular furnace body heating wire 2 bears the weight, which will cause the deformation of the furnace cavity, in the original electric furnace, 4 pull bars are used to fix the furnace body heating wire 2, which is unstable in lifting, causing the deformation of the furnace body heating wire 2, affecting the service life, in order to improve the service life of the furnace body heating wire 2 and the stability of the furnace cavity, the pull bar 8 is arranged in the upper half of the circumferential inner wall of the furnace body 5 in the form of annular array, the hoisting buckle 10 is buckled on the furnace body heating wire 2 at equal angles, under the cooperation of the pull ring 9, the hoisting and fixing of the furnace body heating wire 2 can be realized, by increasing the hoisting density and stress point, the furnace body heating wire 2 can maintain stable form, when bearing the weight, the stress is more dispersed, which can reduce the probability of furnace body heating wire deformation and prolong the service life.

[0037] In the description of the present application, the basic principle, main features and advantages of the present application are shown and described above, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, the changes and improvements fall within the scope of the present application.

Claims

1. A solar cell furnace, characterized in that: include: The furnace body (5) has a ring array of tie rods (8) on the upper half of the inner circumference of the furnace body (5), and a support base (1) is provided at the bottom of the furnace body (5). Furnace body heating wire (2), and multiple ring-shaped furnace body heating wires (2) are arranged side by side inside the support base (1); Lifting buckle (10): The furnace body heating wire (2) is fitted with a lifting buckle (10) at an equal angle, and the lifting buckle (10) is provided with a connecting hole; Pull ring (9), the pull ring (9) is connected to the connecting hole of the lifting buckle (10), and the tie rod (8) is connected to the pull ring (9); A conveyor cover (7) is provided at the port of the furnace body (5), and the thickness of the conveyor cover (7) is the same as the gap between the furnace body heating wire (2) and the furnace body (5).

2. A solar cell furnace according to claim 1, characterized in that: The lifting buckles (10) are evenly spaced and fastened to the upper half of the furnace heating wire (2). The lifting buckles (10) are semi-arc elastic buckles.

3. A solar cell furnace according to claim 2, characterized in that: The furnace heating wire (2) and the furnace body (5) are concentric, and the tie rod (8) is arranged around the inner wall of the furnace body (5).

4. A solar cell furnace according to claim 3, characterized in that: The support base (1) has mounting holes.

5. A solar cell furnace according to claim 4, characterized in that: The furnace body (5) is provided with multiple support bars (3) and protective bars (4) inside. The support bars (3) and protective bars (4) are spaced apart. The support bars (3) and protective bars (4) are respectively arranged inside the heating wire (2) of the furnace body. Placement grooves are opened on the support bars (3) and protective bars (4).

6. A solar cell furnace according to claim 4, characterized in that: A power connection terminal (6) is installed on the outer wall of the furnace body (5) for controlling the power supply of the furnace heating wire (2).

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