CN213519863U

CN213519863U - Etching device for producing thin-film solar cell

Info

Publication number: CN213519863U
Application number: CN202022831657.6U
Authority: CN
Inventors: 刘锋; 朱凯; 李旭倩
Original assignee: Nanjing Zhengchun Electronic Technology Co ltd
Current assignee: Nanjing Zhengchun Electronic Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-06-22
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses an etching device is used in production of thin-film solar cell, the device comprises a device main body, the upper end of device main part is provided with the etching groove, one side surface of etching groove is provided with the filter tube, the inside of filter tube sets up the filter screen, the surface of filter tube is provided with threaded connection pipe, one side surface of etching groove is provided with the screw hole, the one end of filter tube is provided with the honeycomb duct, the surface of honeycomb duct is provided with rotatory screw thread, the upper end surface of etching groove is provided with the protective cover, the surface of protective cover is provided with the connecting block, the surface of connecting block is provided with the rubber layer, be provided with the hinge between etching groove and the protective. An etching device is used in production of thin-film solar cell, filter the waste liquid, debris in avoiding the waste liquid cause pipeline scale deposit, block up, protect the etching groove, etching solution spill when preventing the etching.

Description

Etching device for producing thin-film solar cell

Technical Field

The utility model relates to an etching device field, in particular to etching device is used in production of thin-film solar cell.

Background

Etching is also called photochemical etching, is a technology for removing materials by using a chemical reaction or physical impact action, can be divided into a wet etching type and a dry etching type, is an indispensable technology in the production process of solar panels, and has the advantages of high efficiency, good etching effect and convenient use; the existing etching device for producing the thin-film solar cell has certain defects in use, firstly, the etching liquid remained in etching contains partial impurities, the inner wall of a pipeline is scaled or even blocked when the etching liquid enters the waste liquid tank, secondly, certain etching liquid is splashed out of the etching tank in the process of etching the solar panel, waste is caused, and the environment is polluted.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide an etching device is used in thin-film solar cell production can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an etching device is used in thin-film solar cell production, includes the device main part, the upper end of device main part is provided with the etching groove, one side surface of etching groove is provided with the filter tube, the inside of filter tube sets up the filter screen, the surface of filter tube is provided with the threaded connection pipe, one side surface of etching groove is provided with the screw hole, the one end of filter tube is provided with the honeycomb duct, the surface of honeycomb duct is provided with rotatory screw thread, the upper end surface of etching groove is provided with the protective cover, the surface of protective cover is provided with the connecting block, the surface of connecting block is provided with the rubber layer, be provided with the hinge between etching groove and the protective cover, the one end of honeycomb duct is provided with the switching pipe.

Preferably, the outer surface of the front end of the device body is provided with a feed inlet, one side of the device body is provided with an etching liquid tank, a fixed plate is arranged in the etching liquid tank, the outer surface of the fixed plate is provided with a liquid conveying pipe, the outer surface of one side of the etching tank is provided with a turbine structure, the lower end of the device body is provided with supporting legs, and one side of the device body is provided with a waste liquid tank.

By adopting the technical scheme, the following technical effects can be achieved: the waste liquid is used for collecting waste liquid generated in the etching process.

Preferably, threaded connection pipe and screw hole phase-match, be fixed connection between threaded connection pipe and the filter tube, be fixed connection between filter tube and the filter screen, honeycomb duct and filter tube phase-match, filter tube, threaded connection pipe, honeycomb duct are alloy material and make, the surface of filter tube is provided with the rubber pad.

By adopting the technical scheme, the following technical effects can be achieved: be convenient for filter the waste liquid that flows into in the waste liquid groove, avoid debris to cause the pipeline to block up.

Preferably, the connecting block and the etching groove phase-match, be swing joint between connecting block and the rubber layer, be fixed connection between connecting block and the protective cover, connecting block are glass material and make, be swing joint between hinge and etching groove, the protective cover, be swing joint between protective cover and the etching groove.

By adopting the technical scheme, the following technical effects can be achieved: the etching tank is protected, so that the etching solution is prevented from splashing, the waste is reduced, and the pollution is avoided.

Preferably, be swing joint between honeycomb duct and the adapter tube, be swing joint between etch bath and shower, the turbine structure, be swing joint between turbine structure and the transfer line, be fixed connection between fixed plate and the etch bath.

By adopting the technical scheme, the following technical effects can be achieved: and parts are movably connected, so that the installation and the disassembly are convenient.

Preferably, the number of the supporting legs is a plurality of groups, the outer surfaces of the lower ends of the supporting legs, which are located on the device main body, are arranged in an array, the device main body is fixedly connected with the supporting legs, and the supporting legs are made of alloy materials.

By adopting the technical scheme, the following technical effects can be achieved: the supporting legs provide supporting force for the device, and movement of the device is facilitated.

Compared with the prior art, the utility model discloses following beneficial effect has: the etching device for producing the thin-film solar cell is provided with the filter pipe, the filter screen and the flow guide pipe, wherein before the device is used, one end of the filter pipe with the threaded connecting pipe corresponds to a threaded hole outside an etching groove, the filter pipe is rotated to be connected with the etching groove, the other end of the filter pipe is connected with the flow guide pipe, when the etching device is used for etching, etching liquid can flow into a waste liquid groove along the filter pipe, at the moment, the filter screen inside the filter pipe can filter impurities in the waste liquid, the impurities are prevented from entering a pipeline, scaling or blocking of the inner wall of the pipeline is avoided, the device is favorable for long-term use, and by arranging the protective cover, the connecting block and the hinge, when the etching is carried out, the protective cover is rotated through the hinge, the connecting block is connected with the etching groove, and the protective cover can prevent the, prevent the environmental pollution caused by the splashing of the etching solution and improve the using effect and the using effect.

Drawings

Fig. 1 is a schematic view of the overall structure of an etching apparatus for producing a thin film solar cell according to the present invention;

fig. 2 is a schematic partial structural view of an etching apparatus for producing a thin film solar cell according to the present invention;

fig. 3 is a schematic partial structural view of an etching apparatus for producing a thin film solar cell according to the present invention;

fig. 4 is a side sectional view of a partial structure of an etching apparatus for producing a thin film solar cell according to the present invention.

In the figure: 1. a device main body; 2. etching a groove; 3. a filter tube; 4. a filter screen; 5. a threaded connection pipe; 6. a threaded hole; 7. a flow guide pipe; 8. rotating the screw thread; 9. a protective cover; 10. connecting blocks; 11. a rubber layer; 12. a hinge; 13. a transfer tube; 14. a shower pipe; 15. a feed inlet; 16. an etching liquid tank; 17. a fixing plate; 18. a transfusion tube; 19. a turbine structure; 20. supporting legs; 21. a waste liquid tank.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 4, an etching apparatus for producing a thin film solar cell includes an apparatus main body 1, an etching bath 2 is provided at an upper end of the apparatus main body 1, a filter tube 3 is provided at an outer surface of one side of the etching bath 2, a filter screen 4 is provided inside the filter tube 3, a threaded connection tube 5 is provided at an outer surface of the filter tube 3, a threaded hole 6 is provided at an outer surface of one side of the etching bath 2, a flow guide tube 7 is provided at one end of the filter tube 3, a rotary thread 8 is provided at an outer surface of the flow guide tube 7, a protective cover 9 is provided at an outer surface of an upper end of the etching bath 2, a connecting block 10 is provided at an outer surface of the protective cover 9, a rubber layer 11 is provided at an outer surface of the connecting block 10, a hinge.

The outer surface of the front end of the device body 1 is provided with a feeding hole 15, one side of the device body 1 is provided with an etching liquid tank 16, a fixing plate 17 is arranged inside the etching liquid tank 16, a liquid conveying pipe 18 is conveniently fixed in the etching liquid tank 16, the outer surface of the fixing plate 17 is provided with a liquid conveying pipe 18, the outer surface of one side of the etching liquid tank 2 is provided with a turbine structure 19, the lower end of the device body 1 is provided with a supporting leg 20, and one side of the device body 1 is provided with a.

Threaded connection pipe 5 and screw hole 6 phase-matches, be fixed connection between threaded connection pipe 5 and the filter tube 3, be fixed connection between filter tube 3 and the filter screen 4, honeycomb duct 7 and filter tube 3 phase-matches, filter tube 3, threaded connection pipe 5, honeycomb duct 7 are alloy material and make, the surface of filter tube 3 is provided with the rubber pad, can filter the waste liquid that gets into in waste liquid groove 21, prevent honeycomb duct 7 scale deposit, block up, be favorable to long-term the use.

Connecting block 10 and etching bath 2 phase-match, be swing joint between connecting block 10 and the rubber layer 11, be fixed connection between connecting block 10 and the protective cover 9, connecting block 10 are glass material and make, hinge 12 and etching bath 2, be swing joint between the protective cover 9, be swing joint between protective cover 9 and the etching bath 2, utilize protective cover 9 to protect etching bath 2, etching solution spill when preventing to operate, prevent the polluted environment.

The guide pipe 7 is movably connected with the adapter pipe 13, the etching bath 2 is movably connected with the spray pipe 14 and the turbine structure 19, the turbine structure 19 is movably connected with the infusion pipe 18, the fixing plate 17 is fixedly connected with the etching solution tank 16, and part of components are movably connected, so that the damaged components can be conveniently maintained and replaced.

The quantity of supporting leg 20 is a plurality of groups, and supporting leg 20 is located the lower extreme outside of device main part 1 and is the array and arranges, is fixed connection between device main part 1 and the supporting leg 20, and supporting leg 20 is made for the alloy material, and the supporting leg 20 of alloy material has improved supporting leg 20's life.

It should be noted that, the utility model relates to an etching device for producing thin-film solar cells, before the device is used, the end of the filter tube 3 with the threaded connection pipe 5 is correspondingly connected with the threaded hole 6 outside the etching bath 2, the filter tube 3 is connected with the etching bath 2, the guide pipe 7 is connected with the other end of the filter tube 3, then the solar panel is etched, the etching solution flows into the waste liquid tank 21 along the filter tube 3, the filter screen 4 in the filter tube 3 can filter the sundries in the waste liquid, avoid the sundries from causing the scaling or blocking of the inner wall of the pipeline, which is beneficial for long-term use, when etching, the protective cover 9 is connected with the etching bath 2 by rotating the hinge 12, and the connecting block 10 is connected with the etching bath 2, and the outer surface of the rubber layer 11 is attached to the inner wall of the etching bath 2, in the etching process, the protective cover 9 can avoid the etching solution, the environment pollution caused by the splashing of the etching solution is prevented, and the protective cover 9 made of glass can visually see the condition in the etching tank 2, so that the etching tank is practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An etching device for producing a thin film solar cell, comprising a device main body (1), characterized in that: the device is characterized in that an etching tank (2) is arranged at the upper end of the device body (1), a filter pipe (3) is arranged on the outer surface of one side of the etching tank (2), a filter screen (4) is arranged inside the filter pipe (3), a threaded connecting pipe (5) is arranged on the outer surface of the filter pipe (3), a threaded hole (6) is formed in the outer surface of one side of the etching tank (2), a guide pipe (7) is arranged at one end of the filter pipe (3), a rotating thread (8) is arranged on the outer surface of the guide pipe (7), a protective cover (9) is arranged on the outer surface of the upper end of the etching tank (2), a connecting block (10) is arranged on the outer surface of the protective cover (9), a rubber layer (11) is arranged on the outer surface of the connecting block (10), a hinge (12) is arranged between the etching tank (2, and a spray pipe (14) is arranged in the etching tank (2).

2. The etching apparatus for producing a thin-film solar cell according to claim 1, wherein: the device is characterized in that a feeding hole (15) is formed in the outer surface of the front end of the device body (1), an etching liquid tank (16) is arranged on one side of the device body (1), a fixing plate (17) is arranged inside the etching liquid tank (16), an infusion tube (18) is arranged on the outer surface of the fixing plate (17), a turbine structure (19) is arranged on the outer surface of one side of the etching tank (2), supporting legs (20) are arranged at the lower end of the device body (1), and a waste liquid tank (21) is arranged on one side of the device body (1).

3. The etching apparatus for producing a thin-film solar cell according to claim 2, wherein: the etching device is characterized in that the guide pipe (7) and the adapter pipe (13) are movably connected, the etching tank (2) is movably connected with the spray pipe (14) and the turbine structure (19), the turbine structure (19) is movably connected with the infusion pipe (18), and the fixed plate (17) is fixedly connected with the etching liquid tank (16).

4. The etching apparatus for producing a thin-film solar cell according to claim 1, wherein: threaded connection pipe (5) and screw hole (6) phase-match, be fixed connection between threaded connection pipe (5) and filter tube (3), be fixed connection between filter tube (3) and filter screen (4), honeycomb duct (7) and filter tube (3) phase-match, filter tube (3), threaded connection pipe (5), honeycomb duct (7) are the alloy material and make, the surface of filter tube (3) is provided with the rubber pad.

5. The etching apparatus for producing a thin-film solar cell according to claim 1, wherein: connecting block (10) and etching groove (2) phase-match, be swing joint between connecting block (10) and rubber layer (11), be fixed connection between connecting block (10) and protective cover (9), connecting block (10) are the glass material and make, be swing joint between hinge (12) and etching groove (2), protective cover (9), be swing joint between protective cover (9) and the etching groove (2).

6. The etching apparatus for producing a thin-film solar cell according to claim 2, wherein: the device is characterized in that the number of the supporting legs (20) is a plurality of groups, the supporting legs (20) are arranged outside the lower end of the device main body (1) in an array mode, the device main body (1) is fixedly connected with the supporting legs (20), and the supporting legs (20) are made of alloy materials.