Cleaning and texturing equipment for PERC battery piece

By introducing spraying, aeration and filtration and recycling mechanisms into the PERC cell cleaning equipment, the problem of cleaning liquid recycling is solved, and the cleaning efficiency and cost-effectiveness are improved.

CN222146258UActive Publication Date: 2024-12-10YANGZHOU YUHUI PHOTOVOLTAIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202323626461.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-29
Publication Date
2024-12-10
Estimated Expiration
2033-12-29

AI Technical Summary

Technical Problem

Existing PERC cell cleaning equipment is difficult to filter and recycle the cleaning liquid, resulting in waste of resources and increased production costs.

Method used

设计了一种包括喷洒清洗机构、曝气机构、高度调节机构和过滤循坏机构的PERC电池片清洗设备,通过喷洒清洗液、搅动清洗液、调节电池片浸泡深度和过滤清洗液,实现清洗液 recycling.

Benefits of technology

Improve the efficiency of battery cells, ensure the effectiveness of cleaning, and recycle the cleaning liquid, saving production costs and avoiding waste of resources.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cleaning and texturing device for PERC battery pieces in the technical field of battery piece cleaning and texturing, which comprises a bottom plate, the rear end of the upper surface of the bottom plate is fixedly connected with a cleaning pool, the right side of the cleaning pool is fixedly connected with a soaking pool, the top of the cleaning pool is provided with a placement groove, and the soaking pool is fixedly connected with the soaking pool. Two sets of fixing bolts are inserted into the front end and the rear end of the upper surface of the containing groove, the outer surface of the upper end of the containing groove is sleeved with a spraying and cleaning mechanism, multiple sets of battery pieces can be conveniently placed at a time for cleaning through the containing groove, substances on the surfaces of the battery pieces can be conveniently washed through the spraying and cleaning mechanism, and the height of the battery pieces can be adjusted through a height adjusting mechanism. According to the device, a battery piece can be conveniently soaked into the bottom of the soaking pool to be cleaned, residual impurities are removed, internal cleaning liquid is stirred through the aeration mechanism, so that the battery piece is rapidly and fully in contact with the cleaning liquid, and the filtered cleaning liquid is conveniently discharged into the soaking pool to be recycled through the filtering and circulating mechanism.
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Description

Technical Field

[0001] The utility model relates to the technical field of cleaning and texturing of battery slices, in particular to a cleaning and texturing device for PERC battery slices. Background Art

[0002] PERC cells are a type of solar panels that are highly efficient, stable, and durable, and therefore are widely used in the solar energy field. Cleaning and texturing is an important step in manufacturing PERC cells, which can form a layer of fine velvet on the surface of the cells, thereby improving the photoelectric conversion efficiency of the cells.

[0003] In the publication number CN215815910U, a cell texturing and cleaning equipment is used to reduce metal ions in a drying tank and improve the yield and quality of the cell. The cell texturing and cleaning equipment includes a drying tank, an air supply structure, a circulation pipeline and a magnetic pipeline. The air supply structure is connected to the drying tank through a magnetic pipeline, and the drying tank is connected to the air supply structure through a circulation pipeline. The cell texturing and cleaning equipment provided by the utility model is used to process cell cells, but after cleaning, it is difficult for the above device to filter and recycle the cleaning liquid. After a long period of cleaning, it is easy to cause waste of cleaning liquid, thereby increasing production costs. Therefore, it is necessary to provide a new PERC cell cleaning and texturing equipment to solve the above technical problems. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] Therefore, the purpose of the utility model is to provide a PERC cell cleaning and texturing device, which can solve the problem that the existing device is difficult to filter and recycle the cleaning liquid. In order to solve the above technical problems, the utility model provides a PERC cell cleaning and texturing device, which adopts the following technical solution: A PERC cell cleaning and texturing device, including:

[0006] A bottom plate, a cleaning pool is fixedly connected to the rear end of the upper surface of the bottom plate, a soaking pool is fixedly connected to the right side of the cleaning pool, a placement slot is installed on the top of the cleaning pool, two sets of fixing bolts are inserted at the front and rear ends of the upper surface of the placement slot, and a spray cleaning mechanism is sleeved on the upper end outer surface of the placement slot;

[0007] An aeration mechanism is arranged at the bottom of the inner cavity of the immersion tank, a height adjustment mechanism is sleeved on the outer surface of the upper end of the immersion tank, a filtering circulation mechanism is arranged at the front end of the upper surface of the bottom plate, a drain pipe is inserted at the bottom of the right side of the immersion tank, and a drain valve is inserted in the middle of the rear end of the drain pipe.

[0008] By adopting the above technical scheme, by providing a placement groove, it is convenient to place multiple groups of battery cells at one time for cleaning, by using a spray cleaning mechanism, it is convenient to rinse the surface materials of the battery cells, by providing a height adjustment mechanism, it is convenient to immerse the battery cells in the bottom of the immersion tank for cleaning and remove residual impurities, by providing an aeration mechanism, the internal cleaning liquid is stirred, so that the battery cells are quickly and fully contacted with the cleaning liquid, thereby improving the cleaning efficiency of the device, and by providing a filtering circulation mechanism, it is convenient to discharge the filtered cleaning liquid into the immersion tank for recycling.

[0009] Optionally, a plurality of groups of leakage holes are evenly arranged at the bottom of the placement groove, the surface of the fixing bolt is connected with threads, the placement groove and the cleaning pool are provided with threaded holes adapted to the fixing bolts, and the placement groove and the cleaning pool and the fixing bolts form a rotating connection mechanism.

[0010] By adopting the above technical solution, multiple groups of leakage holes are evenly opened at the bottom of the placement groove, which makes it easy to let the cleaning liquid sprayed by the spray cleaning mechanism leak into the cleaning pool for collection. The placement groove, the cleaning pool and the fixing bolts form a rotating connection mechanism, which makes it easy to fix the placement groove and the cleaning pool during use to prevent the placement groove from falling and causing damage to the battery cell.

[0011] Optionally, the spray cleaning mechanism includes a first mounting frame sleeved on the cleaning pool, spray heads are installed at the bottom of left and right sides of the first mounting frame, and a spray head valve is installed in the middle of the left side of the spray head.

[0012] By adopting the above technical solution, the battery cells in the placement slot are sprayed through the nozzle to perform preliminary cleaning, and the size of the nozzle spray is controlled through the nozzle valve to perform limited cleaning.

[0013] Optionally, the aeration mechanism includes a connecting groove installed at the bottom of the front end of the immersion tank, and a connecting hole is inserted in the middle of the front end of the connecting groove, and four groups of aeration pipes are evenly inserted on the right side of the connecting groove.

[0014] By adopting the above technical solution, multiple groups of aeration pipes can be easily connected through the connecting groove, and a connecting hole is inserted in the middle of the front end of the connecting groove to facilitate the connection of the high-pressure gas pipe, so as to supply gas to the aeration pipe. By providing the aeration pipe, the high-pressure gas can be easily transmitted.

[0015] Optionally, the soaking tank is provided with a socket compatible with the aeration pipe, and the bottom of the soaking tank is provided with a mounting groove compatible with the aeration pipe, and the outer surfaces of the four groups of aeration pipes are evenly provided with multiple groups of air holes.

[0016] By adopting the above technical solution, four groups of aeration tubes are provided, and multiple groups of air holes are evenly opened on the outer surface of the aeration tubes, so that the inside of the immersion tank can be efficiently sprayed, and the internal cleaning liquid is stirred, so that the battery cells are quickly and fully contacted with the cleaning liquid, thereby improving the cleaning efficiency of the device. Through two cleanings, the effectiveness of the battery cell cleaning is ensured.

[0017] Optionally, the height adjustment mechanism includes a second mounting frame sleeved on the immersion pool, a motor is installed in the middle of the upper surface of the second mounting frame, the power output end of the motor is fixedly connected to the electric telescopic rod, and the motor runs through the second mounting frame, the bottom of the electric telescopic rod is fixedly connected to a mounting plate, and the mounting plate is provided with mounting holes compatible with four sets of fixing bolts.

[0018] By adopting the above technical solution, the placement slot is connected to the mounting plate by fixing bolts, so that after the placement slot is locked, the electric telescopic rod is driven by a motor to push it downward, so that the battery cell is immersed in the cleaning liquid.

[0019] Optionally, the filtration circulation mechanism includes a filter box arranged on the bottom plate, a fixed cover is inserted at the top of the filter box, a first water pump is installed above the rear end of the filter box, a first connecting pipe is inserted at the bottom of the first water pump, and the bottom of the first connecting pipe is inserted at the bottom of the cleaning pool, a second water pump is installed at the bottom of the right side of the filter box, a second connecting pipe is inserted at the upper end of the second water pump, and the bottom of the second connecting pipe is inserted in the middle of the soaking pool.

[0020] By adopting the above technical scheme, by providing a first water pump and a first connecting pipe, the cleaning liquid that flows into the cleaning pool after cleaning in the spray cleaning mechanism can be recovered into the filter box, and the filtered cleaning liquid is discharged into the soaking pool for recycling through the second water pump and the second connecting pipe, thereby saving the production cost of the device and avoiding waste of resources.

[0021] Optionally, an annular block is fixedly connected to the bottom of the fixed cover, and the filter box is provided with a slot adapted to the annular block. The fixed cover and the filter box form a snap connection mechanism, and a filter net is installed in the middle of the inner cavity of the filter box. An activated carbon adsorption plate is installed in the middle of the inner cavity of the filter box, and the activated carbon adsorption plate is located below the filter net.

[0022] By adopting the above technical solution, a snap-fit ​​connection mechanism is formed by fixing the cover and the filter box, which facilitates the cleaning or replacement of the filter screen and the activated carbon adsorption plate after long-term use, thereby improving the convenience of cleaning the device. Large impurities and metal particles in the cleaning liquid are filtered and adsorbed through the filter screen and the activated carbon adsorption plate.

[0023] In summary, the present invention has at least one of the following beneficial effects:

[0024] 1. The present application is provided with a spray cleaning mechanism, through which the battery cells in the placement slot are sprayed by a nozzle, so as to perform preliminary cleaning thereof, and the size of the spraying of the nozzle is controlled by a nozzle valve, so as to perform limited cleaning, and a height adjustment mechanism is provided, through which the placement slot and the mounting plate are connected by fixing bolts, so that after the placement slot is locked, the electric telescopic rod is driven downward by a motor, so that the battery cells are immersed in the cleaning liquid, and the internal cleaning liquid is stirred by an aeration mechanism, so that the battery cells are quickly and fully contacted with the cleaning liquid, thereby improving the cleaning efficiency of the present device, and ensuring the effectiveness of the battery cell cleaning through two cleanings;

[0025] 2. By providing a filtering circulation mechanism, a first water pump and a first connecting pipe, the cleaning liquid that flows into the cleaning pool after cleaning in the spray cleaning mechanism can be recovered into the filter box, and large particles of impurities and metal particles in the cleaning liquid are filtered and adsorbed through the filter net and the activated carbon adsorption plate. The filtered cleaning liquid is discharged into the soaking pool for recycling through the second water pump and the second connecting pipe, which saves the production cost of the device and avoids the waste of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 This is a schematic diagram of the use status of the utility model Figure 1 ;

[0028] Figure 2 This is a schematic diagram of the use status of the utility model Figure 2 ;

[0029] Figure 3 This is a schematic diagram of the aeration mechanism structure of the utility model;

[0030] Figure 4 This is a schematic diagram of the structure of the spray cleaning mechanism of the utility model;

[0031] Figure 5 This is a schematic diagram of the height adjustment mechanism structure of the utility model;

[0032] Figure 6 It is a schematic diagram of the structure of the filtering circulation mechanism of the utility model.

[0033] Explanation of the accompanying drawings: 1. bottom plate; 2. cleaning tank; 3. soaking tank; 4. placement tank; 5. fixing bolt; 6. spray cleaning mechanism; 601. first mounting frame; 602. nozzle; 603. nozzle valve; 7. aeration mechanism; 701. connecting groove; 702. aeration pipe; 703. air hole; 8. height adjustment mechanism; 801. second mounting frame; 802. motor; 803. electric telescopic rod; 804. mounting plate; 9. filtering circulation mechanism; 901. filter box; 902. fixing cover; 903. first water pump; 904. first connecting pipe; 905. second water pump; 906. second connecting pipe; 907. filter screen; 908. activated carbon adsorption plate; 10. drain pipe; 11. drain valve. DETAILED DESCRIPTION

[0034] The following is combined with Figure 1-6 The utility model is described in further detail.

[0035] Example 1, reference Figure 1 , Figure 3 , Figure 4 and Figure 5 The utility model discloses a PERC cell cleaning and texturing device, which can solve the problem of cleaning and soaking of a PERC cell cleaning and texturing device, including:

[0036] A bottom plate 1, a cleaning pool 2 is fixedly connected to the rear end of the upper surface of the bottom plate 1, a soaking pool 3 is fixedly connected to the right side of the cleaning pool 2, a placement groove 4 is installed on the top of the cleaning pool 2, two sets of fixing bolts 5 are inserted at the front and rear ends of the upper surface of the placement groove 4, and a spray cleaning mechanism 6 is sleeved on the outer surface of the upper end of the placement groove 4;

[0037] Aeration mechanism 7, an aeration mechanism 7 is arranged at the bottom of the inner cavity of the soaking tank 3, a height adjustment mechanism 8 is sleeved on the outer surface of the upper end of the soaking tank 3, a filtering circulation mechanism 9 is arranged on the front end of the upper surface of the bottom plate 1, a drainage pipe 10 is inserted at the bottom of the right side of the soaking tank 3, and a drainage valve 11 is inserted in the middle of the rear end of the drainage pipe 10, a plurality of groups of leakage holes are evenly opened at the bottom of the placement groove 4, a thread is connected on the surface of the fixing bolt 5, the placement groove 4 and the cleaning tank 2 are provided with threaded holes adapted to the fixing bolt 5, the placement groove 4 and the cleaning tank 2 form a rotating connection mechanism with the fixing bolt 5, the spray cleaning mechanism 6 includes a first mounting frame 601 sleeved on the cleaning tank 2, a nozzle 602 is installed at the bottom of the left and right sides of the first mounting frame 601, and a nozzle valve 603 is installed in the middle of the left side of the nozzle 602, and the aeration mechanism 7 includes a nozzle 602 installed at the bottom of the left and right sides of the nozzle 602. A connecting groove 701 is provided at the bottom of the front end of the soaking tank 3, and a connecting hole is inserted in the middle of the front end of the connecting groove 701, four groups of aeration pipes 702 are evenly inserted on the right side of the connecting groove 701, the soaking tank 3 is provided with a jack compatible with the aeration pipe 702, and a mounting groove compatible with the aeration pipe 702 is provided at the bottom of the soaking tank 3, and multiple groups of air holes 703 are evenly provided on the outer surfaces of the four groups of aeration pipes 702, and the height adjustment mechanism 8 includes a second mounting frame 801 sleeved on the soaking tank 3, a motor 802 is installed in the middle of the upper surface of the second mounting frame 801, an electric telescopic rod 803 is fixedly connected to the power output end of the motor 802, and the motor 802 runs through the second mounting frame 801, and a mounting plate 804 is fixedly connected to the bottom of the electric telescopic rod 803, and the mounting plate 804 is provided with mounting holes compatible with the four groups of fixing bolts 5.

[0038] Working principle: bottom plate 1 is convenient for placing components, cleaning tank 2 is convenient for collecting the cleaning liquid after spraying, soaking tank 3 is convenient for soaking the battery cells, placement slot 4 is convenient for placing multiple groups of battery cells for cleaning at one time, fixing bolt 5 is convenient for fixing and connecting placement slot 4 with cleaning tank 2, spray cleaning mechanism 6 is convenient for flushing the surface material of battery cells, height adjustment mechanism 8 is convenient for immersing battery cells in the bottom of soaking tank 3 for cleaning and removing residual impurities, aeration mechanism 7 is used to stir the internal cleaning liquid so that the battery cells can quickly and fully contact with the cleaning liquid, thereby improving the cleaning efficiency of the device, filtering circulation mechanism 9 is convenient for discharging the filtered cleaning liquid into soaking tank 3 for recycling, drain pipe 10 and drain valve 11 are convenient for discharging the cleaning liquid after soaking, and after placing the battery cells in placement slot 4, the placement slot 4 is connected to cleaning tank 2 through fixing bolt 5. Next, after the cleaning liquid pipe is connected to the nozzle 602, the nozzle valve 603 is opened, and the nozzle 602 performs preliminary cleaning on the surface of the battery cell of the placement slot 4, the fixing bolt 5 is unscrewed, and after the placement slot 4 is placed on the mounting plate 804, the fixing bolt 5 is tightened through the opened mounting hole to fix the placement slot 4 with the mounting plate 804. The electric telescopic rod 803 is driven downward by the motor 802 to make the battery cell immersed in the cleaning liquid. A connecting hole is inserted in the middle of the front end of the connecting slot 701 to facilitate the connection of the high-pressure air pipe, so as to supply air to the aeration pipe 702. Multiple groups of air holes 703 are evenly opened on the outer surface of the aeration pipe 702, so that the inside of the immersion tank 3 can be efficiently sprayed, so that the internal cleaning liquid is stirred, so that the battery cell is quickly and fully in contact with the cleaning liquid, thereby improving the cleaning efficiency of the device. The effectiveness of the battery cell cleaning is ensured through two cleanings.

[0039] Example 2, reference Figure 2 and Figure 6In this embodiment, the problem of filtering and recycling the cleaning liquid after spraying is solved by the device. The PERC cell cleaning and texturing equipment also includes a filtering circulation mechanism 9 including a filter box 901 arranged on the bottom plate 1, a fixed cover 902 is inserted on the top of the filter box 901, a first water pump 903 is installed above the rear end of the filter box 901, a first connecting pipe 904 is inserted at the bottom of the first water pump 903, and the bottom of the first connecting pipe 904 is inserted at the bottom of the cleaning pool 2, and a second Water pump 905, a second connecting pipe 906 is inserted at the upper end of the second water pump 905, and the bottom of the second connecting pipe 906 is inserted in the middle of the soaking tank 3, a ring-shaped block is fixedly connected to the bottom of the fixed cover 902, and the filter box 901 is provided with a card slot adapted to the ring-shaped block, and the fixed cover 902 and the filter box 901 form a snap-fit ​​connection mechanism, and a filter net 907 is installed in the middle of the inner cavity of the filter box 901. An activated carbon adsorption plate 908 is installed in the middle of the inner cavity of the filter box 901, and the activated carbon adsorption plate 908 is located below the filter net 907.

[0040] Working principle: After the battery cells are sprayed and cleaned, the first water pump 903 is turned on, and the cleaning liquid in the cleaning tank 2 is pumped into the filter box 901 through the first connecting pipe 904. After the large particles of impurities and metal particles in the cleaning liquid are filtered and adsorbed through the filter mesh 907 and the activated carbon adsorption plate 908, the second water pump 905 is turned on, and the filtered cleaning liquid is discharged into the soaking tank 3 through the second connecting pipe 906 for recycling, which reduces the production cost of the device and avoids the waste of resources.

[0041] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A PERC cell cleaning and texturing device, characterized in that: include, A bottom plate (1), a cleaning pool (2) is fixedly connected to the rear end of the upper surface of the bottom plate (1), a soaking pool (3) is fixedly connected to the right side of the cleaning pool (2), a placement groove (4) is installed on the top of the cleaning pool (2), two groups of fixing bolts (5) are inserted at the front and rear ends of the upper surface of the placement groove (4), and a spray cleaning mechanism (6) is sleeved on the outer surface of the upper end of the placement groove (4); An aeration mechanism (7) is arranged at the bottom of the inner cavity of the soaking tank (3), a height adjustment mechanism (8) is sleeved on the outer surface of the upper end of the soaking tank (3), a filtering circulation mechanism (9) is arranged at the front end of the upper surface of the bottom plate (1), a drainage pipe (10) is inserted at the bottom of the right side of the soaking tank (3), and a drainage valve (11) is inserted in the middle of the rear end of the drainage pipe (10).

2. The PERC cell cleaning and texturing equipment according to claim 1, characterized in that: The bottom of the placement groove (4) is evenly provided with a plurality of groups of leakage holes, the surface of the fixing bolt (5) is connected with threads, the placement groove (4) and the cleaning tank (2) are provided with threaded holes matched with the fixing bolt (5), and the placement groove (4) and the cleaning tank (2) and the fixing bolt (5) form a rotating connection mechanism.

3. The PERC cell cleaning and texturing equipment according to claim 1, characterized in that: The spray cleaning mechanism (6) comprises a first mounting frame (601) sleeved on the cleaning pool (2), a spray head (602) being mounted on the bottom of the left and right sides of the first mounting frame (601), and a spray head valve (603) being mounted in the middle of the left side of the spray head (602).

4. The PERC cell cleaning and texturing equipment according to claim 1, characterized in that: The aeration mechanism (7) comprises a connection groove (701) installed at the bottom of the front end of the soaking tank (3), and a connection hole is inserted in the middle of the front end of the connection groove (701), and four groups of aeration pipes (702) are evenly inserted on the right side of the connection groove (701).

5. The PERC cell cleaning and texturing equipment according to claim 4, characterized in that: The soaking tank (3) is provided with a socket adapted to the aeration pipe (702), and a mounting groove adapted to the aeration pipe (702) is provided at the bottom of the soaking tank (3), and multiple groups of air holes (703) are evenly provided on the outer surfaces of the four groups of aeration pipes (702).

6. The PERC cell cleaning and texturing equipment according to claim 1, characterized in that: The height adjustment mechanism (8) comprises a second mounting frame (801) sleeved on the soaking tank (3); a motor (802) is mounted in the middle of the upper surface of the second mounting frame (801); a power output end of the motor (802) is fixedly connected to an electric telescopic rod (803), and the motor (802) runs through the second mounting frame (801); a mounting plate (804) is fixedly connected to the bottom of the electric telescopic rod (803), and the mounting plate (804) is provided with mounting holes adapted to the four sets of fixing bolts (5).

7. The PERC cell cleaning and texturing equipment according to claim 1, characterized in that: The filtering circulation mechanism (9) comprises a filtering box (901) arranged on a bottom plate (1), a fixing cover (902) being inserted at the top of the filtering box (901), a first water pump (903) being installed above the rear end of the filtering box (901), a first connecting pipe (904) being inserted at the bottom of the first water pump (903), and the bottom of the first connecting pipe (904) being inserted at the bottom of the cleaning tank (2), a second water pump (905) being installed at the bottom of the right side of the filtering box (901), a second connecting pipe (906) being inserted at the upper end of the second water pump (905), and the bottom of the second connecting pipe (906) being inserted in the middle of the soaking tank (3).

8. The PERC cell cleaning and texturing equipment according to claim 7, characterized in that: The bottom of the fixed cover (902) is fixedly connected with an annular clamping block, the filter box (901) is provided with a clamping groove adapted to the annular clamping block, the fixed cover (902) and the filter box (901) form a clamping connection mechanism, a filter screen (907) is installed in the middle of the inner cavity of the filter box (901), an activated carbon adsorption plate (908) is installed in the middle of the inner cavity of the filter box (901), and the activated carbon adsorption plate (908) is located below the filter screen (907).