Tinning photovoltaic welding strip annular air knife based on secondary tin blowing

Abstract

The utility model belongs to the technical field of air knives, and particularly relates to a tinned photovoltaic solder strip annular air knife based on secondary tin blowing, which comprises an upper shell and a lower shell, a cone part is fixedly mounted at the center of the bottom of the upper shell, a through hole is formed in the center of the bottom of the cone part, and a conical groove is formed in the center of the top of the lower shell. Air inlet pipes are fixedly installed on the two sides of the upper shell respectively, one end of each air inlet pipe extends to the bottom of the upper shell, and a first opening is formed in the side, corresponding to the cone part, of each air inlet pipe. The air knife holes are arranged in the air knife holes, the air is conveyed into the air collecting cavity through the first opening and the second opening, annular air blowing is conducted on the air through the annular gap, and therefore all-directional uniform tin blowing is conducted on the welding strips in the air knife holes through the air, and redundant air is exhausted through the exhaust holes.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of air knife, concretely to a kind of tinned photovoltaic welding band toroidal air knife based on secondary tin blowing. BACKGROUND

[0002] Tinned copper wire is mainly by important component in solar cell module, usually need to be tinned to improve welding performance, when welding operation is carried out, a lot of peculiar smell and smoke are often generated, not only affect the health of operator, but also affect the effect of welding, thus tin ash usually needs to be cleaned.

[0003] Prior art has the following shortcomings:

[0004] The existing air knife tin blowing mode is usually to install linear air knife on one side of copper wire to blow tin, but linear air knife can only blow tin on one side of wire in secondary tin blowing process, which can easily lead to uneven tin layer thickness and unstable surface quality in tin blowing process. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides a kind of tinned photovoltaic welding band toroidal air knife based on secondary tin blowing to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of tinned photovoltaic welding band toroidal air knife based on secondary tin blowing, including upper shell and lower shell, the bottom center of the upper shell is fixedly installed cone body, the bottom center of the cone body is provided with through hole, the top center of the lower shell is provided with conical groove, the both sides of the upper shell are respectively fixedly installed gas inlet pipe.

[0007] As a preferred technical scheme of the utility model, one end of the gas inlet pipe extends to the bottom of the upper shell, and a first opening is formed on one side of the gas inlet pipe corresponding to one side of the cone body.

[0008] As a preferred technical scheme of the utility model, an installation groove is formed on the top of the lower shell corresponding to the position of the gas inlet pipe, a limiting ring is fixedly installed in the installation groove, and a second opening is formed on one side of the limiting ring close to the conical groove.

[0009] As a preferred technical scheme of the utility model, corresponding threaded holes are formed on the upper shell and the lower shell, a fixed bolt is screw-mounted in the threaded hole, and a sealing ring is arranged between the upper shell and the lower shell.

[0010] As a preferred technical scheme of the utility model, a diffusion cavity is formed on the bottom of the lower shell, and a plurality of groups of exhaust holes are uniformly distributed on the inner wall of the diffusion cavity.

[0011] As a preferred technical scheme of the utility model, the bottom of the conical part is provided with a gas collecting cavity on one side close to the first opening.

[0012] As a preferred technical scheme of the utility model, the bottom of the conical part is provided with a gas collecting cavity on one side close to the first opening.

[0013] As a preferred technical scheme of the utility model,

[0014] Compared with the prior art, the utility model provides a kind of tinned photovoltaic welding band circular ring air knife based on secondary tin blowing, with the following beneficial effects:

[0015] 1、the tinned photovoltaic welding band circular ring air knife based on secondary tin blowing, by setting up gas collecting cavity and annular gap, external gas is transported by air inlet pipe, and is transported to the inside of gas collecting cavity by first opening and second opening, and gas is circularly blown by annular gap, so that gas is all-round evenly blown tin to the welding band in the inside of air knife hole, and excess gas is discharged by exhaust hole. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view cross section structure schematic diagram of the utility model;

[0017] Figure 2 It is the side view cross section structure schematic diagram of the utility model;

[0018] Figure 3 It is the top view cross section structure schematic diagram of the utility model;

[0019] Figure 4 It is the three-dimensional structure schematic diagram of the utility model.

[0020] In the drawing: 1, upper shell;101, conical part;102, through hole;103, gas collecting cavity;2, lower shell;201, conical groove;3, air inlet pipe;301, first opening;4, mounting groove;401, limit ring;402, second opening;5, screw hole;501, fixed bolt;6, annular gap;601, air knife hole;7, diffusion cavity;701, exhaust hole. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Referring to Figures 1-4 In the embodiment, the tin-plated photovoltaic welding strip ring-shaped air knife based on secondary tin blowing includes an upper shell 1 and a lower shell 2, a conical body part 101 is fixedly installed at the bottom center of the upper shell 1, a through hole 102 is formed at the bottom center of the conical body part 101, a conical groove 201 is formed at the top center of the lower shell 2, and air inlet pipes 3 are fixedly installed at the two sides of the upper shell 1.

[0023] In the embodiment, one end of the air inlet pipe 3 extends to the bottom of the upper shell 1, and a first opening 301 is formed at one side of the air inlet pipe 3 corresponding to one side of the conical body part 101.

[0024] In the embodiment, an installation groove 4 is formed at the top of the lower shell 2 corresponding to the position of the air inlet pipe 3, a limiting ring 401 is fixedly installed inside the installation groove 4, and a second opening 402 is formed at one side of the limiting ring 401 close to the conical groove 201.

[0025] In the embodiment, corresponding threaded holes 5 are formed in the upper shell 1 and the lower shell 2, fixed bolts 501 are screw-installed in the threaded holes 5, a sealing ring is arranged between the upper shell 1 and the lower shell 2, the upper shell 1 and the lower shell 2 are fixed by cooperation of the fixed bolts 501 and the threaded holes 5, and the upper shell 1 and the lower shell 2 are sealingly connected together by the sealing ring.

[0026] In the embodiment, a diffusion cavity 7 is formed at the bottom of the lower shell 2, a plurality of groups of exhaust holes 701 are uniformly formed in the inner wall of the diffusion cavity 7, and the excess gas is discharged through the exhaust holes 701.

[0027] In the embodiment, a gas collection cavity 103 is formed at the bottom of the conical body part 101 close to one side of the first opening 301, and the gas delivered by the air inlet pipe 3 is collected through the gas collection cavity 103.

[0028] In the embodiment, an annular gap 6 is formed between the bottom of the conical body part 101 and the conical groove 201, an air knife hole 601 is formed between the annular gap 6 and the diffusion cavity 7, the external gas is delivered through the air inlet pipe 3, delivered to the inside of the gas collection cavity 103 through the first opening 301 and the second opening 402, and the gas is annularly blown through the annular gap 6, so that the gas uniformly blows tin on the welding strip inside the air knife hole 601 in all directions.

[0029] The utility model discloses a working principle and use flow: through fixed bolt 501 and threaded hole 5 cooperation between the upper casing 1 and lower casing 2 are fixed, and through sealing ring makes the upper casing 1 and lower casing 2 sealed connection together, and will intake pipe 3 with external gas intercommunication, through intake pipe 3 to external gas is transported, and through first opening 301 and second opening 402 is transported to the inside of gas collection chamber 103, and through annular gap 6 makes gas annular air blowing, to make gas all -round even tin blowing to the welding strip of air knife hole 601 inside.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the utility model and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical feature. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A tinned photovoltaic solder ribbon toroidal ring shaped air knife based on double blown tin comprising an upper housing (1) and a lower housing (2), characterized in that: The bottom center of the upper shell (1) is fixedly installed with a conical part (101), the bottom center of the conical part (101) is provided with a through hole (102), the top center of the lower shell (2) is provided with a conical groove (201), and the two sides of the upper shell (1) are respectively fixedly installed with air inlet pipes (3).

2. A tinned photovoltaic ribbon ring-shaped air knife based on secondary tin blowing according to claim 1, characterized in that: One end of the air inlet pipe (3) extends to the bottom of the upper shell (1), and one side of the air inlet pipe (3) is provided with a first opening (301) corresponding to one side of the conical part (101).

3. A tin-coated photovoltaic ribbon ring-shaped air-knife based on secondary tin blowing according to claim 1, characterized in that: The top of the lower shell (2) is provided with a mounting groove (4) corresponding to the position of the air inlet pipe (3), the inside of the mounting groove (4) is fixedly installed with a limiting ring (401), and one side of the limiting ring (401) close to the conical groove (201) is provided with a second opening (402).

4. A tin-coated photovoltaic ribbon toroidal ring-shaped air-knife according to claim 1, characterized in that: The upper shell (1) and the lower shell (2) are provided with corresponding threaded holes (5), the inside of the threaded hole (5) is screwedly installed with a fixing bolt (501), and the upper shell (1) and the lower shell (2) are provided with a sealing ring.

5. A tinned photovoltaic ribbon ring-shaped air knife based on secondary tin blowing according to claim 1, characterized in that: The bottom of the lower shell (2) is provided with a diffusion cavity (7), and the inner wall of the diffusion cavity (7) is uniformly provided with a plurality of groups of exhaust holes (701).

6. A tinned photovoltaic ribbon annular ring shaped air knife based on secondary tin blowing according to claim 1, characterized in that: The bottom of the conical part (101) is provided with a gas collecting cavity (103) close to one side of the first opening (301).

7. A tinned photovoltaic ribbon ring-shaped air knife based on secondary tin blowing according to claim 1, characterized in that: The bottom of the conical part (101) and the conical groove (201) form an annular gap (6), and the annular gap (6) and the diffusion cavity (7) are provided with an air knife hole (601).

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