CN218014504U

CN218014504U - PERC battery piece constant temperature wet-type alkali wash device

Info

Publication number: CN218014504U
Application number: CN202222288328.0U
Authority: CN
Inventors: 张云虎; 杨相国; 王奇; 张安尚
Original assignee: Xuzhou Zhonghui Photovoltaic Technology Co ltd
Current assignee: Xuzhou Zhonghui Photovoltaic Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-12-13
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a PERC battery piece constant temperature wet-type alkali cleaning device, carry out abluent alkali washing case and be used for carrying out the connection platform that fixes before the case with alkaline washing to the battery piece including being used for carrying out the battery piece, it can dismantle with alkaline washing case and be connected through the connecting rod to connect the platform, it is equipped with and is used for carrying out the subregion to the battery piece and washs fixed washing fixed establishment to wash the fixed establishment, it includes a plurality of washing otter boards to wash fixed establishment of institution, it is equipped with the battery piece that is used for selecting abluent supplementary selection mechanism to having different degree pollution impurity to be equipped with to the position that is close to a plurality of washing otter boards on the connection platform, it monitors the scanning to aim at carrying out the pollution degree and the impurity quantity that pollute the impurity region to each battery piece, it carries out more energetically ultrasonic cleaning to wash the bottom of alkaline washing pool to set up the battery piece that pollutes seriously, select the washing to each battery piece, improve the cleaning efficiency of battery piece.

Description

PERC battery piece constant temperature wet-type alkali wash device

Technical Field

The utility model relates to a battery piece washs the field, specifically is a PERC battery piece constant temperature wet-type alkali wash device.

Background

Generally, impurities adsorbed on the surface of a silicon wafer can be classified into molecular type, ionic type and atomic type, wherein the adsorption force between the molecular type impurities and the surface of the silicon wafer means that it is easier to remove such impurity particles. They are oil-type impurities, have the characteristic of hydrophobicity, and have a masking effect on removing ionic and atomic impurities, so that the silicon wafers are cleaned completely when being chemically cleaned. The ionic and atomic adsorbed impurities belong to chemical adsorbed impurities, and the adsorption force is strong. In general, the amount of atomically adsorbed impurities is small, so that in chemical cleaning, ionic adsorbed impurities are removed, then residual ionic impurities and atomic impurities are removed, finally, the silicon wafer is washed with high-purity deionized water, and then heated, dried or spun to obtain a silicon wafer with a clean surface.

The chemical cleaning of the battery piece comprises acid cleaning and alkali cleaning, wherein the acid is nitric acid or hydrochloric acid generally, and the alkali is borax generally. The annealing method is to suspend the thermocouple on the bracket in a suspension manner, and apply current of 10.5A to 11A to different electrodes. The purpose of this is to eliminate the internal stress of the thermocouple, making its metallographic phase more regular.

Alkaline cleaning is also commonly referred to as alkaline etching or alkaline leaching. The alkaline washing process is to put the aluminum material into a strong alkaline solution with sodium hydroxide as a main component for etching reaction, and aims to further remove dirt on the surface and thoroughly remove a natural oxide film on the surface of the cell.

At present, when carrying out the alkali wash to the battery piece, wash according to the order that the battery piece drops into the alkali wash pond, but the degree that the battery piece received the pollution is different, the contaminated impurity region on the battery piece is also different, set up when the battery piece that comparatively pollutes impurity is many drops into on the upper portion in the alkali wash pond, very difficult thorough cleaning is clean, this application aims at carrying out the monitoring scanning of contaminated impurity region's pollution degree and impurity quantity to each battery piece, the battery piece that will comparatively pollute seriously sets up carries out more power ultrasonic cleaning at the alkali wash bottom of the pond, select the washing to each battery piece, the cleaning efficiency of battery piece is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PERC battery piece constant temperature wet-type alkali wash device to solve the problem among the prior art.

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

the utility model provides a PERC battery piece constant temperature wet-type alkali cleaning device, the device is including being used for carrying out abluent alkali washing case to the battery piece and being used for carrying out the connection platform that fixes before the case with alkaline washing to the battery piece, the connection platform passes through the connecting rod with alkaline washing case and can dismantle the connection, it is equipped with to wash incasement portion and is used for carrying out the subregion to the battery piece and washs fixed washing fixed establishment, it includes a plurality of washing otter boards to wash fixed establishment of institution, it is equipped with to be used for selecting abluent supplementary mechanism of selecting to having the battery piece of different degree pollution impurity to connect the position that the bench is close to a plurality of washing otter boards.

By adopting the technical scheme: the alkali washing box is used for washing the battery piece, the washing fixing mechanism can wash and fix the battery piece in a partitioning mode, the battery piece with more pollution impurities is more thoroughly washed, the auxiliary sorting mechanism is used for putting the battery piece into the alkali washing pool to be sorted, and therefore the battery piece is partitioned in different positions of the alkali washing pool.

Further setting: wash fixed establishment including being used for carrying out the brace table that supports to the battery piece, the brace table sets up on the washing otter board, the quantity of brace table is two, the position that the washing otter board is close to the brace table is equipped with and is used for carrying out spacing first gag lever post to the battery piece and is used for carrying out the fixed station fixed to the battery piece, the both sides that first gag lever post is relative are equipped with and are used for driving the sliding groove that the battery piece removed, the inside notch that is equipped with of fixed station, the inside pressing plate that is used for pressing down that is equipped with of notch is gone up and down to the battery piece, the inside lift cylinder that is used for driving pressing down the pressing plate and goes up and down to press down that is equipped with of notch, the position that the fixed station is close to first gag lever post is equipped with and is used for carrying out the flexible clamping jaw that presss from both sides to the battery piece.

By adopting the technical scheme: the supporting table can support the battery piece, the first limiting rod can limit the moving position of the battery piece, the fixing table can fix the battery piece, the lifting cylinder drives the pressing plate to press the battery piece to be fixed, the telescopic clamping jaw can clamp one side of the battery piece, and the battery piece is moved to the inside of the fixing table to be fixed.

Further setting: the auxiliary sorting mechanism comprises a connecting auxiliary rod, the connecting auxiliary rod is detachably connected with a connecting table, the number of the connecting auxiliary rod is two, a sorting table used for screening and sorting the battery pieces is arranged between the connecting auxiliary rod, a sliding block used for driving the sorting table to slide is arranged on the sorting table, the sliding block is connected inside the connecting auxiliary rod in a sliding mode, a moving cylinder used for driving the sliding plate to slide is arranged inside the connecting auxiliary rod, the sliding block is detachably connected with the moving cylinder, a second limiting rod used for carrying out initial limiting on the battery pieces is arranged on the sorting table, a plurality of guide rails are arranged on the sorting table, the guide rails are connected with the cleaning screen plate through magnetic attraction close to one side of the cleaning screen plate, a supporting auxiliary plate used for driving the battery pieces to slide is arranged inside the guide rails, the supporting auxiliary plate is connected inside the guide rails in a sliding mode, a driving cylinder used for pushing the supporting auxiliary plate to move is arranged inside the guide rails, and buckles used for fixing the battery pieces are arranged on the supporting auxiliary plate.

By adopting the technical scheme: connect and assist the pole and can support choosing the platform, choose the platform and be used for placing the battery piece, choose the battery piece, thereby carry out the subregion to different pollution degree battery pieces and select, the removal cylinder can drive and choose the platform and connecting the inside slip of assisting the pole, thereby it places inside the otter board is washd in the difference to drive the battery piece, it can promote to support and assist the board to remove to drive actuating cylinder, thereby it removes inside the guide rail to promote to choose the platform, thereby it removes to wasing the otter board to drive the battery piece that chooses on the platform, the second gag lever post can carry out initial spacing to the battery piece.

Further setting: the inside lifter plate that is used for driving a plurality of washing otter boards and goes up and down that is equipped with of alkali washing case, the lifter plate setting is being washd the otter board both sides, is equipped with the inlay piece on wasing the otter board, is equipped with the notch on the lifter plate, inlays the piece card and establishes inside the notch.

By adopting the technical scheme: the lifting plate can drive the cleaning screen plate to move downwards, and the cleaning screen plate is placed into the alkaline washing box to be cleaned.

Further agency: connect and be equipped with the test rod between the auxiliary rod, the inside scanner that is used for carrying out the scanning to battery piece surface contamination impurity that is equipped with of test rod, the scanner is connected with the moving cylinder electricity.

By adopting the technical scheme: the scanner can scan the degree of pollution and impurity of the battery plates on the sorting table, so that the battery plates on the sorting table are screened and placed on the cleaning screen plate.

Further setting: an ultrasonic cleaning instrument for cleaning the battery pieces on the cleaning screen plate is arranged in the alkali cleaning box.

Compared with the prior art, the beneficial effects of the utility model are that: the device aims at monitoring and scanning the pollution degree and the impurity quantity of each cell piece in a pollution impurity area, and the more seriously polluted cell pieces are arranged at the bottom of an alkaline washing tank to be subjected to stronger ultrasonic cleaning, each cell piece is selected and cleaned, and the cleaning efficiency of the cell pieces is improved.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.

Fig. 1 is a schematic structural diagram of a PERC cell constant temperature wet alkaline washing device of the present invention;

FIG. 2 is a partial view I of a PERC cell constant temperature wet alkali washing device of the present invention;

FIG. 3 is a partial view II of a PERC cell constant temperature wet alkali washing device of the present invention;

fig. 4 is an overall sectional view of the PERC cell constant temperature wet alkaline washing device of the present invention.

In the figure, 1, an alkaline washing tank; 2. a connecting table; 3. an ultrasonic cleaning instrument; 4. cleaning the screen plate; 5. a lifting plate; 6. a support table; 7. a first limit rod; 8. a fixed table; 9. a telescopic clamping jaw; 10. connecting an auxiliary rod; 11. a sorting table; 12. a second limiting rod; 13. a guide rail; 14. supporting the auxiliary plate; 15. a detection rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Please refer to fig. 1-4, in the embodiment of the present invention, a PERC battery piece constant temperature wet-type alkaline washing device, the device includes the alkaline washing box 1 for cleaning the battery piece and the connection platform 2 for fixing before the alkaline washing box 1 for cleaning the battery piece, the connection platform 2 and the alkaline washing box 1 can be dismantled through the connecting rod and be connected, the alkaline washing box 1 is internally provided with the ultrasonic cleaning instrument 3 for cleaning the battery piece on the cleaning screen plate 4.

The inside washing fixed establishment that is used for carrying out the subregion to the battery piece and washs 1 of case is washed to alkali, wash fixed establishment and include a plurality of washing otter boards 4, wash 1 inside lifter plate 5 that is used for driving a plurality of washing otter boards 4 and go up and down that is equipped with of case with alkali, lifter plate 5 sets up and is wasing 4 both sides of otter board, it establishes the piece to be equipped with the inlay on the otter board 4 to wash, be equipped with the notch on the lifter plate 5, inlay the piece card and establish inside the notch, lifter plate 5 can drive and wash otter board 4 and move down, it washs to wash 1 inside of case with alkali to wash otter board 4.

The alkali washing box 1 is used for washing the battery piece, and the washing fixing mechanism can be used for washing and fixing the battery piece in a partitioning manner, so that the battery piece with more pollution impurities can be more thoroughly washed.

Wash fixed establishment including being used for carrying out the brace table 6 that supports to the battery piece, brace table 6 sets up on the washing otter board 4, the quantity of brace table 6 is two, it is equipped with and is used for carrying out spacing first gag lever post 7 and is used for carrying out the fixed station 8 fixed to the battery piece to wash the otter board 4 to be close to the position of brace table 6, the both sides that first gag lever post 7 is relative are equipped with and are used for driving the groove that slides that the battery piece removed, 8 inside notches that are equipped with of fixed station, the inside pressure board that is used for pressing down the battery piece that is equipped with of notch, the inside lift cylinder that is used for driving to go up and down to press down the pressure board that is equipped with of notch, the position that fixed station 8 is close to first gag lever post 7 is equipped with and is used for carrying out the flexible clamping jaw 9 that gets to the battery piece.

The supporting table 6 can support the battery piece, the first limiting rod 7 can limit the moving position of the battery piece, the fixing table 8 can fix the battery piece, the lifting cylinder drives the pressing plate to press the battery piece to be fixed, the telescopic clamping jaw 9 can clamp one side of the battery piece, and the battery piece is moved to the fixing table 8 to be fixed.

The position that is close to a plurality of washing otter board 4 on the link table 2 is equipped with and is used for selecting abluent supplementary mechanism of selecting to the battery piece that has different degree pollution impurity, and supplementary mechanism of selecting is used for putting into to wash with alkaline the pond to the battery piece and selects to carry out the subregion in different positions of washing with alkaline the pond.

Supplementary mechanism of selecting is including connecting auxiliary rod 10, it is connected to connect auxiliary rod 10 and can dismantle with connection platform 2 and be connected, the quantity of connecting auxiliary rod 10 is two, it is used for screening the sorting platform 11 of selecting to the battery piece to connect to be equipped with between the auxiliary rod 10, it carries out gliding slider to be equipped with on the sorting platform 11 to be used for driving the sorting platform 11, the slider slides and connects inside connecting auxiliary rod 10, it is used for driving the removal cylinder that slides and carry out the slip to connect inside auxiliary rod 10, the slider can be dismantled with the removal cylinder and be connected, it is used for carrying out initial spacing second gag lever post 12 to the battery piece to be equipped with on the sorting platform 11, it is equipped with a plurality of guide rails 13 on the sorting platform 11, guide rail 13 is close to washing otter board 4 one side and is connected through magnetism with washing otter board 4, inside being equipped with being used for driving the support auxiliary plate 14 that the battery piece slides and selects 14, support auxiliary plate 14 and slide and connect inside guide rail 13, the inside being equipped with being used for promoting the driving actuating cylinder that support auxiliary plate 14 carries out the removal that is equipped with the buckle that is used for fixing the battery piece on the support auxiliary plate 14.

Connect and be equipped with test bar 15 between assisting the pole 10, test bar 15 inside is equipped with and is used for carrying out the scanner that scans to battery piece surface contamination impurity, and the scanner is connected with the moving cylinder electricity, and the scanner can scan the battery piece contamination impurity degree on sorting platform 11 to the battery piece on sorting platform 11 is filtered and is placed on wasing otter board 4.

Connect and assist pole 10 and can support sorting platform 11, sorting platform 11 is used for placing the battery piece, select the battery piece, thereby carry out the subregion to different pollution degree battery pieces and select, remove the cylinder and can drive sorting platform 11 and assist the inside slip of pole 10 in the connection, thereby it places inside different washing otter boards 4 to drive the battery piece, it can promote to support and assist board 14 to remove to drive actuating cylinder, thereby it removes inside guide rail 13 to promote sorting platform 11, thereby it removes to washing otter board 4 to drive the battery piece that sorting platform 11 is last, second gag lever post 12 can carry out initial spacing to the battery piece.

The utility model discloses a theory of operation is: an operator places a battery plate to be cleaned on a sorting table 11, a scanner is started to scan the pollution impurity degree of the battery plate on the sorting table 11, a moving cylinder is controlled according to the pollution impurity degree of the battery plate, the moving cylinder drives the sorting table 11 to slide inside a connecting auxiliary rod 10, so that the battery plate is driven to be arranged at the position of a corresponding cleaning screen plate 4, a driving cylinder is opened to push a supporting auxiliary plate 14 to move, the sorting table 11 is pushed to move inside a guide rail 13, the battery plate on the sorting table 11 is driven to move to the cleaning screen plate 4, a second limiting rod 12 conducts initial limiting on the battery plate, when the battery plate is pushed into a first limiting rod 7, a telescopic clamping jaw 9 can clamp one side of the battery plate, the battery plate is moved to the inside of a fixed table 8, the driving pressing plate for opening a lifting cylinder to press and fix the battery plate, when all battery plate partitions are selected, a lifting plate 5 is started to drive the cleaning screen plate 4 to move downwards, and the cleaning screen plate 4 is placed into an alkaline washing box 1 to be cleaned.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The constant-temperature wet alkali washing device for the PERC battery piece is characterized in that: the device is including being used for carrying out abluent alkali washing case (1) and being used for carrying out fixed connection platform (2) before alkali washing case (1) to the battery piece, connection platform (2) can be dismantled with alkali washing case (1) through the connecting rod and be connected, alkali washing case (1) inside is equipped with and is used for carrying out the subregion and washs fixed washing fixed establishment to the battery piece, it includes a plurality of washing otter boards (4) to wash fixed establishment, the position that is close to a plurality of washing otter boards (4) on connection platform (2) is equipped with and is used for selecting abluent supplementary mechanism of selecting to the battery piece that has different degree pollution impurity.

2. The PERC battery piece constant-temperature wet-type alkaline cleaning device is characterized in that the cleaning and fixing mechanism comprises a support table (6) for supporting the battery pieces, the support table (6) is arranged on a cleaning screen plate (4), the number of the support tables (6) is two, a first limiting rod (7) for limiting the battery pieces and a fixing table (8) for fixing the battery pieces are arranged at the position, close to the support table (6), of the cleaning screen plate (4), sliding grooves for driving the battery pieces to move are formed in two opposite sides of the first limiting rod (7), notches are formed in the fixing table (8), pressing plates for pressing the battery pieces are arranged in the notches, lifting cylinders for driving the pressing plates to lift and press are arranged in the notches, and telescopic clamping jaws (9) for clamping the battery pieces are arranged at the position, close to the first limiting rod (7), of the fixing table (8).

3. The PERC battery piece constant-temperature wet alkaline washing device as claimed in claim 1, wherein the auxiliary picking mechanism comprises two connecting auxiliary rods (10), the connecting auxiliary rods (10) are detachably connected with the connecting table (2), the number of the connecting auxiliary rods (10) is two, a picking table (11) for screening and picking the battery pieces is arranged between the connecting auxiliary rods (10), a sliding block for driving the picking table (11) to slide is arranged on the picking table (11), the sliding block is connected inside the connecting auxiliary rods (10) in a sliding manner, a moving cylinder for driving the sliding block to slide is arranged inside the connecting auxiliary rods (10), the sliding block is detachably connected with the moving cylinder, a second limiting rod (12) for initially limiting the battery pieces is arranged on the picking table (11), a plurality of guide rails (13) are arranged on the picking table (11), one side of the guide rails (13) close to the cleaning screen plate (4) is connected with the cleaning screen plate (4) through magnetic attraction, a supporting auxiliary plate (14) for driving the battery pieces to slide is arranged inside the guide rails (13), and a clamping buckle for pushing the moving auxiliary plates (14) is arranged inside the guide rails (13).

4. The PERC battery piece constant-temperature wet-type alkaline washing device as claimed in claim 1, wherein a lifting plate (5) for driving a plurality of cleaning screen plates (4) to lift is arranged inside the alkaline washing box (1), the lifting plate (5) is arranged on two sides of the cleaning screen plates (4), embedded blocks are arranged on the cleaning screen plates (4), notches are arranged on the lifting plate (5), and the embedded blocks are clamped inside the notches.

5. The PERC battery piece constant-temperature wet-type alkaline washing device as claimed in claim 3, wherein a detection rod (15) is arranged between the connecting auxiliary rods (10), a scanner for scanning polluted impurities on the surface of the battery piece is arranged inside the detection rod (15), and the scanner is electrically connected with the movable cylinder.

6. The PERC battery piece constant-temperature wet-type alkaline washing device as claimed in claim 1, wherein an ultrasonic cleaning instrument (3) for cleaning the battery pieces on the cleaning screen plate (4) is arranged in the alkaline washing box (1).