CN222250037U - A solar cell etching solution adding device - Google Patents
A solar cell etching solution adding device Download PDFInfo
- Publication number
- CN222250037U CN222250037U CN202421160845.2U CN202421160845U CN222250037U CN 222250037 U CN222250037 U CN 222250037U CN 202421160845 U CN202421160845 U CN 202421160845U CN 222250037 U CN222250037 U CN 222250037U
- Authority
- CN
- China
- Prior art keywords
- etching liquid
- movable frame
- etching
- solar cell
- adding device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Weting (AREA)
Abstract
本实用新型公开了一种太阳能电池片刻蚀液添加装置，包括移动架，所述移动架的底端固定安装有多个存料罐，多个所述存料罐的顶端连通安装有抽液管，所述移动架的顶端固定安装有真空泵本体。本实用新型打开真空泵本体，将缓冲罐内部的空气抽出之后，多个缓冲罐内部产生了负压，此时需要哪个存料罐内部的刻蚀液，即可打开对应存料罐上方的电磁阀，存料罐内部的刻蚀液在大气压强的作用下，通过抽液管进入到对应的缓冲罐的内部，然后通过输液软管进入下料斗，从下料斗进入到刻蚀装置内部，实现了刻蚀液的添加，利用负压原理实现了刻蚀液的添加，无需使用抽液泵等装置，并且能够顺利对高处的注液处进行注液。
The utility model discloses a solar cell etching liquid adding device, comprising a mobile frame, a plurality of storage tanks are fixedly installed at the bottom end of the mobile frame, a plurality of storage tanks are connected and installed with a liquid extraction pipe at the top end, and a vacuum pump body is fixedly installed at the top end of the mobile frame. The utility model opens the vacuum pump body, and after the air inside the buffer tank is extracted, negative pressure is generated inside the plurality of buffer tanks. At this time, the solenoid valve above the corresponding storage tank can be opened if the etching liquid inside the storage tank is needed. The etching liquid inside the storage tank enters the corresponding buffer tank through the liquid extraction pipe under the action of atmospheric pressure, and then enters the lower hopper through the infusion hose, and enters the etching device from the lower hopper, thereby realizing the addition of etching liquid. The addition of etching liquid is realized by using the negative pressure principle, and there is no need to use devices such as a liquid extraction pump, and liquid injection at a high injection point can be smoothly performed.
Description
Technical Field
The utility model relates to the technical field of solar cells, in particular to a solar cell etching liquid adding device.
Background
The solar cell is a semiconductor device for converting solar energy into electric energy by utilizing photovoltaic effect, and is mainly made of semiconductor materials such as silicon. When sunlight irradiates on the cell, photons are absorbed through the pn junction of the silicon material and excite movable charges to generate current, so that the solar cell is a basic unit of the solar cell panel, is widely applied to the fields of solar power generation systems, aerospace, satellite communication, civil illumination and the like, and makes an important contribution to sustainable development and green energy utilization. The solar cell has the advantages of high conversion efficiency, long service life, low maintenance cost and the like, and becomes one of renewable energy technologies indispensable in modern society.
The solar cell needs to be etched, which is a critical process step. Etching is the precise removal of a portion of the silicon wafer surface by chemical or physical means to form a specific circuit pattern. The process is important to improving the efficiency of the solar cell, because the electrode structure and the current path of the cell can be accurately defined, the light absorption and the current collection capacity of the cell can be optimized through etching, so that the photoelectric conversion efficiency is improved, meanwhile, the etching technology can help to reduce the series resistance of the cell and further enhance the performance of the cell, therefore, in the production process of the solar cell, the etching link is indispensable, each cell can reach the optimal working state, and technical guarantee is provided for the efficient utilization of solar energy.
Solar cells typically require etching from above the cells using an etching device. This step is an important step in the production process of the battery sheet, and it optimizes the photoelectric conversion efficiency of the battery by precisely removing a specific portion from the surface of the battery sheet to form a circuit pattern. The etching is carried out from the upper part, so that the etching liquid or the etching gas can be ensured to uniformly act on the surface of the battery piece, and the situation of uneven etching or excessive etching is avoided. The etching mode can also effectively control the etching depth and ensure the structural integrity and performance stability of the battery piece. Therefore, the solar cell is etched from above by using a professional etching device, which is one of the key steps for improving the quality and efficiency of the cell.
In actual operation, when the etching liquid in the etching device is insufficient, the etching liquid is added into the device, and the etching device is generally positioned at a higher position, and the liquid injection operation needs to be performed from the upper part, so that the operation difficulty is increased, particularly, the etching liquid mainly consists of strong acid, the etching liquid is harmful to human bodies, and potential safety hazards exist in manual addition, although equipment such as a liquid pump is considered to be used for extracting and conveying the etching liquid, the pumping pump is severely corroded by the strong acid after long-term extraction and conveying, the service life of the equipment is shortened, and safety risks such as leakage of the etching liquid can be possibly caused, so that the technical problems of etching liquid addition and equipment corrosion are effectively solved while the operation safety is ensured, and the technical problem to be solved in the current solar cell production is urgently.
Disclosure of utility model
The utility model aims to provide a solar cell etching liquid adding device which aims to solve the defects in the prior art.
In order to achieve the purpose, the solar cell etching liquid adding device comprises a movable frame, wherein a plurality of storage tanks are fixedly arranged at the bottom end of the movable frame, liquid suction pipes are arranged at the top ends of the storage tanks in a communicating mode, a vacuum pump body is fixedly arranged at the top end of the movable frame, a plurality of communicating pipes are arranged at the input end of the vacuum pump body in a communicating mode, an exhaust pipe is arranged at the output end of the vacuum pump body in a communicating mode, buffer tanks are arranged at one ends of the communicating pipes in a communicating mode, infusion hoses are arranged at the bottom ends of the buffer tanks in a communicating mode, a lifting mechanism is arranged at the top end of the movable frame and comprises lifting blocks, a discharging hopper is fixedly arranged at the side wall of each lifting block, the top ends of the discharging hopper are communicated with the plurality of infusion hoses, and electromagnetic valves are arranged on the liquid suction pipes.
According to the technical scheme, the lifting mechanism further comprises a sliding rail, the sliding rail is fixedly arranged at the top end of the movable frame, a screw is rotatably connected to the inside of the sliding rail, the lifting block is in threaded connection with the screw, a motor is fixedly arranged at the top end of the movable frame, and the output end of the motor is in transmission connection with the screw.
As a further description of the technical scheme, the infusion hose is internally provided with a one-way valve.
As further description of the technical scheme, an inclined plane is arranged in the buffer tank, a liquid outlet is formed in the bottom end of the buffer tank, and the liquid outlet is communicated with the infusion hose.
As further description of the technical scheme, the balancing weights are fixedly arranged at the bottom ends of the movable frames, wheels are arranged at the bottom ends of the movable frames in a rolling mode, and a limiting assembly is arranged on one side of each movable frame.
As further description of the technical scheme, the limiting assembly comprises a fixed plate, the fixed plate is fixedly arranged on the side wall of the movable frame, a bolt is arranged on the fixed plate in a threaded mode, the bottom end of the bolt is fixedly connected with a antiskid plate, and an antiskid bulge is arranged at the bottom end of the antiskid plate.
The utility model provides a solar cell etching liquid adding device. When the etching device is required to be etched, the movable frame is moved to a proper position, then the lifting block is lifted through the lifting mechanism, the unloading hopper is lifted further, after the unloading hopper is moved to the proper position, different etching solutions are placed in the plurality of storage tanks according to different etching solutions used for different processes, the vacuum pump body is opened, air in the buffer tanks is pumped out, negative pressure is generated in the plurality of buffer tanks, at the moment, the electromagnetic valve above the corresponding storage tank can be opened when the etching solution in the storage tank is required, the etching solution in the storage tank enters the corresponding buffer tank through the liquid pumping pipe under the action of atmospheric pressure, then enters the unloading hopper through the liquid pumping hose, the etching solution is added from the unloading hopper to the etching device, the addition of the etching solution is realized by utilizing the negative pressure principle, devices such as a liquid pumping pump are not required, and the injection of the high injection position can be smoothly carried out.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all of the features of the technology disclosed.
Drawings
Fig. 1 is a schematic diagram of an overall three-dimensional structure of a solar cell etching liquid adding device according to the present utility model;
FIG. 2 is a schematic view of a three-dimensional structure from another perspective of the present utility model;
FIG. 3 is a schematic diagram of a front view of the present utility model;
FIG. 4 is a schematic three-dimensional structure of the storage tank, the liquid suction pipe, the electromagnetic valve and the buffer tank of the utility model;
FIG. 5 is a schematic cross-sectional view of the inner wall of the buffer tank according to the present utility model;
Fig. 6 is a schematic cross-sectional view of the infusion hose of the present utility model with a check valve disposed therein.
Legend description:
1. The device comprises a movable frame, 2, wheels, 3, a storage tank, 4, a liquid suction pipe, 5, an electromagnetic valve, 6, a fixed plate, 7, a bolt, 8, a antiskid plate, 9, an antiskid lug, 10, a buffer tank, 11, a transfusion hose, 12, a blanking hopper, 13, a motor, 14, a sliding rail, 15, a screw, 16, a lifting block, 17, a communicating pipe, 18, a vacuum pump body, 19, an exhaust pipe, 20, an inclined plane, 21, a liquid outlet, 22, a balancing weight, 23 and a one-way valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-6, a solar cell etching solution adding device comprises a movable frame 1, wherein a plurality of storage tanks 3 are fixedly arranged at the bottom end of the movable frame 1, a plurality of discharging hoppers 4 are fixedly arranged at the top ends of the storage tanks 3 in a communicating manner, a vacuum pump body 18 is fixedly arranged at the top end of the movable frame 1, a plurality of communicating pipes 17 are arranged at the input end of the vacuum pump body 18 in a communicating manner, an exhaust pipe 19 is arranged at the output end of the vacuum pump body 18 in a communicating manner, a buffer tank 10 is arranged at one end of the communicating pipes 17 in a communicating manner, a plurality of transfusion hoses 11 are arranged at the bottom ends of the buffer tank 10 in a communicating manner, a lifting mechanism is arranged at the top end of the movable frame 1 and comprises a lifting block 16, a discharging hopper 12 is fixedly arranged at the side wall of the lifting block 16, the top end of the discharging hopper 12 is communicated with the plurality of transfusion hoses 11, and a plurality of electromagnetic valves 5 are arranged on the pumping hoses 4; when the etching device is required to be etched, the movable frame 1 is moved to a proper position, then the lifting block 16 is lifted by the lifting mechanism, the lifting of the discharging hopper 12 is further realized, after the discharging hopper 12 is moved to a proper position, different etching solutions are placed in the plurality of storage tanks 3 in consideration of etching solutions with different types or concentrations in different procedures, the vacuum pump body 18 is opened, air in the buffer tanks 10 is pumped out, negative pressure is generated in the plurality of buffer tanks 10, at the moment, the electromagnetic valve 5 corresponding to the upper part of the storage tanks 3 can be opened when the etching solution in the storage tanks 3 is required, the etching solution in the storage tanks 3 enters the corresponding buffer tanks 10 through the liquid suction pipes 4 under the action of atmospheric pressure and then enters the discharging hopper 12 through the transfusion hose 11, the etching liquid is added from the discharging hopper 12 into the etching device, the etching liquid is added by utilizing the negative pressure principle, devices such as a liquid pump and the like are not needed, and the liquid can be smoothly injected into the liquid injection position at a high position.
As the preferable technical scheme of the embodiment, the lifting mechanism further comprises a sliding rail 14, the sliding rail 14 is fixedly arranged at the top end of the movable frame 1, a screw 15 is rotationally connected in the sliding rail 14, the lifting block 16 is in threaded connection with the screw 15, a motor 13 is fixedly arranged at the top end of the movable frame 1, the output end of the motor 13 is in transmission connection with the screw 15, the motor 13 drives the screw 15 to rotate, and under the limiting and guiding effects of the sliding rail 14 and the lifting block 16, the lifting block 16 can drive the lower hopper 12 to lift, and liquid injection positions corresponding to different heights can be adjusted.
As a preferable technical scheme of the embodiment, the one-way valve 23 is arranged in the infusion hose 11, and the one-way valve 23 is arranged to ensure that the etching liquid is prevented from flowing back in the infusion hose 11, and on the one hand, in the process of pumping the buffer tank 10 by the vacuum pump body 18, the external air cannot enter the buffer tank 10 through the infusion hose 11, so that the negative pressure environment is prevented from being damaged, and the adding process can be smoothly carried out.
As a preferable technical scheme of the embodiment, the buffer tank 10 is internally provided with the inclined plane 20, the bottom end of the buffer tank 10 is provided with the liquid outlet 21, the liquid outlet 21 is communicated with the transfusion hose 11, the situation that series flow occurs among the buffer tanks 10 due to the communicating pipe 17 is prevented, and the arrangement of the inclined plane 20 can enable etching liquid flowing into the buffer tank 10 to flow out from the inclined plane 20 directly through the liquid outlet 21 below the inclined plane 20 and not flow out from the communicating pipe 17 at one side of the buffer tank 10.
As the preferable technical scheme of the embodiment, the balancing weight 22 is fixedly arranged at the bottom end of the movable frame 1, the wheels 2 are arranged at the bottom end of the movable frame 1 in a rolling manner, a limiting assembly is arranged on one side of the movable frame 1, the wheels 2 are arranged to ensure the overall movement of the device, and the balancing weight 22 ensures the stability of the movable frame 1.
According to the preferred technical scheme of the embodiment, the limiting assembly comprises a fixing plate 6, the fixing plate 6 is fixedly arranged on the side wall of the movable frame 1, a bolt 7 is arranged on the fixing plate 6 in a threaded mode, the bottom end of the bolt 7 is fixedly connected with a antiskid plate 8, the bottom end of the antiskid plate 8 is provided with an antiskid bulge 9, when the device is required to be fixed, the antiskid plate 8 below is contacted with the ground through rotation of the bolt 7, the antiskid and limiting functions are achieved, and the stability of the device is improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a solar wafer etching solution adds device, includes removes frame (1), its characterized in that, the bottom fixed mounting who removes frame (1) has a plurality of storage jar (3), a plurality of the top intercommunication of storage jar (3) is installed suction pipe (4), the top fixed mounting who removes frame (1) has vacuum pump body (18), a plurality of communicating pipes (17) are installed in the input intercommunication of vacuum pump body (18), blast pipe (19) are installed in the output intercommunication of vacuum pump body (18), a plurality of transfer hose (11) are installed in the one end intercommunication of communicating pipe (17), a plurality of infusion hose (11) are installed in the bottom intercommunication of buffer tank (10), the top of removing frame (1) is provided with elevating system, elevating system includes lifter (16), lifter (16) lateral wall fixed mounting has hopper (12), the top and a plurality of infusion hose (11) of hopper (12) are linked together down, a plurality of be provided with solenoid valve (5) on suction pipe (4).
2. The solar cell etching liquid adding device according to claim 1, wherein the lifting mechanism further comprises a sliding rail (14), the sliding rail (14) is fixedly installed at the top end of the movable frame (1), a screw (15) is rotatably connected to the inside of the sliding rail (14), the lifting block (16) is in threaded connection with the screw (15), a motor (13) is fixedly installed at the top end of the movable frame (1), and the output end of the motor (13) is in transmission connection with the screw (15).
3. The solar cell etching liquid adding device according to claim 1, wherein a one-way valve (23) is arranged inside the infusion hose (11).
4. The solar cell etching liquid adding device according to claim 1, wherein an inclined plane (20) is arranged in the buffer tank (10), a liquid outlet (21) is formed in the bottom end of the buffer tank (10), and the liquid outlet (21) is communicated with the transfusion hose (11).
5. The solar cell etching liquid adding device according to claim 1, wherein a balancing weight (22) is fixedly arranged at the bottom end of the movable frame (1), wheels (2) are arranged at the bottom end of the movable frame (1) in a rolling manner, and a limiting assembly is arranged on one side of the movable frame (1).
6. The solar wafer etching liquid adding device according to claim 5, wherein the limiting component comprises a fixed plate (6), the fixed plate (6) is fixedly installed on the side wall of the movable frame (1), a bolt (7) is installed on the fixed plate (6) in a threaded mode, a antiskid plate (8) is fixedly connected to the bottom end of the bolt (7), and antiskid protrusions (9) are arranged at the bottom end of the antiskid plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421160845.2U CN222250037U (en) | 2024-05-27 | 2024-05-27 | A solar cell etching solution adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421160845.2U CN222250037U (en) | 2024-05-27 | 2024-05-27 | A solar cell etching solution adding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222250037U true CN222250037U (en) | 2024-12-27 |
Family
ID=93994581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421160845.2U Active CN222250037U (en) | 2024-05-27 | 2024-05-27 | A solar cell etching solution adding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222250037U (en) |
-
2024
- 2024-05-27 CN CN202421160845.2U patent/CN222250037U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115488128A (en) | Disassembly line and method for disassembling waste crystalline silicon solar cell modules | |
| CN108767025A (en) | A kind of process for etching of diamond wire solar battery sheet | |
| CN222250037U (en) | A solar cell etching solution adding device | |
| CN209772909U (en) | Cleaning device for texturing of silicon wafer of solar cell panel | |
| CN204216005U (en) | A kind of plasma etch apparatus | |
| CN210726242U (en) | Remove portable photovoltaic water lift equipment | |
| CN218632081U (en) | Oxidation machine table for improving TOPCon battery leakage | |
| CN219116344U (en) | A solar cell conveying device | |
| CN221942734U (en) | A photovoltaic water pump device with self-priming function | |
| CN115841975B (en) | High-stability light silicon wafer conveying frame equipment | |
| CN218301351U (en) | Temperature protection device of intelligent photovoltaic equipment | |
| CN214621615U (en) | A battery leak detection device | |
| CN117249961A (en) | Air-tight detection tool for air inlet of hydrogen fuel cell | |
| CN114576095A (en) | Wind energy non-electric conversion and storage system | |
| CN203325843U (en) | Fabric-surface manufacturing device for solar battery | |
| CN115955173A (en) | A stepped photovoltaic panel assembly structure | |
| CN221759634U (en) | A river environment restoration device | |
| CN217881551U (en) | Battery positioning device for automatic assembly of solar battery | |
| CN213752638U (en) | Etching water washing device | |
| CN222228889U (en) | Water conservancy water pump of new forms of energy electricity generation | |
| CN221563133U (en) | Photovoltaic panel transport vehicle | |
| CN214620786U (en) | High-efficient heat recovery unit that heat energy and power engineering used | |
| CN203491346U (en) | Lithium battery packaging mechanism | |
| CN219144202U (en) | Typesetter is used in photovoltaic module production | |
| CN206511379U (en) | A kind of PECVD bimodulus solar cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |