TOPCON battery acid-alkali cleaning device
By introducing a movable cleaning mechanism and spray assembly into the TOPCON battery acid-base cleaning device, the silicon wafer is driven to shake back and forth and stir the water flow, the problem of acid-base contamination on the surface of the silicon wafer is solved, and a more thorough cleaning effect is achieved and the battery is improved. Performance and appearance quality.
Patent Information
- Application Number
- CN202420958069.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-07
AI Technical Summary
During the preparation process of TOPCON batteries, the residual acid and alkali contamination on the surface of the silicon wafer leads to a reduced current and poor appearance. The cleaning effect of the existing cleaning device is not thorough, which cannot effectively solve this problem.
A TOPCON battery acid-base cleaning device including a movable cleaning mechanism and spray assembly is designed. By setting up a rotating shaft, cam, frame, guide block and agitating plate, the animal material basket and silicon wafer are used for reciprocating shaking and water flow agitating, to achieve more Clean thoroughly.
Through the combination of the movable cleaning mechanism and spray assembly, the silicon wafer can be driven to reciprocating shaking and water flow agitation under the motor drive, which significantly improves the thoroughness of acid and alkali cleaning and ensures that the pollution on the surface of the silicon wafer is completely removed.
Smart Images

Figure CN222267999U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of battery acid and alkali cleaning, in particular to a TOPCON battery acid and alkali cleaning device. Background Art
[0002] TOPCON adds a layer of silicon dioxide on the surface of the battery, which allows the battery to selectively transmit electrons and block holes, thereby significantly improving the battery's open circuit voltage and fill factor, making the battery's conversion efficiency higher. However, during the preparation of TOPCON batteries, acid and alkali will remain on the surface of the silicon wafer. If the residual acid and alkali are not cleaned, it is easy to contaminate the silicon wafer, resulting in reduced current and poor appearance.
[0003] The Chinese utility model patent with publication number CN204144224U discloses a solar cell acid and alkali solution residual silicon wafer cleaning machine. During the cleaning process, the blades on the left and right sides drive the water to rotate clockwise, and the blade drives the water to rotate counterclockwise, which can make the cleaning fast and clean. However, when the device is in use, the battery silicon wafer is stationary in the cleaning chamber, and the cleaning effect is not thorough only through the rotation and collision of the water flow, so it needs to be improved. Summary of the invention
[0004] To this end, the utility model provides a TOPCON battery acid and alkali cleaning device, which solves the problems mentioned in the above background technology by setting a movable cleaning mechanism.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a TOPCON battery acid and alkali cleaning device, comprising a cleaning box, spray assemblies are arranged at both ends of the top of the cleaning box, a material basket is arranged inside the cleaning box, a U-shaped cover is fixedly connected to one side of the cleaning box, and a movable cleaning mechanism is arranged between the U-shaped cover and the cleaning box;
[0006] The movable cleaning mechanism includes a rotating shaft, a cam, a frame and two guide blocks. One end of the rotating shaft is movably connected to the U-shaped cover through a bearing, and the other end of the rotating shaft extends into the cleaning box and is movably connected to the two sides of the cleaning box through two sealed bearings. The rotating shaft passes through the cam and is fixedly connected to the cam. The cam is located in the frame and the wheel wall is against the inner wall of the frame. The two guide blocks are fixedly connected to the U-shaped cover. The sides of the two guide blocks are provided with guide grooves that pass through the whole. Special-shaped parts are fixedly connected to both sides of the frame. The bottoms of the two special-shaped parts are slidably connected to the two guide blocks through two guide grooves respectively, and the tops of the two special-shaped parts are detachably connected to the two ends of the material basket respectively.
[0007] Preferably, the spray assembly includes a bracket and a shower head, the bottom of the bracket is fixedly connected to the cleaning box, and the shower head is placed on the bracket.
[0008] Preferably, a drain pipe is provided at the bottom of the cleaning box.
[0009] Preferably, a motor is fixedly mounted on one side of the U-shaped cover, and the motor output shaft is fixedly connected to the rotating shaft.
[0010] Preferably, bolts are provided at both ends of the top of the material basket, and the two bolts respectively penetrate the material basket and the two special-shaped parts and are threadedly connected with the material basket and the two special-shaped parts.
[0011] Preferably, an L-shaped support member is fixedly connected to the side of the material basket away from the bolt, and a plurality of pulleys are provided at the bottom of the support member.
[0012] Preferably, a slide rail is fixedly connected to the inner wall of one side of the cleaning box, and the plurality of groups of pulleys move in the slide rail.
[0013] Preferably, handles are fixedly connected to both ends of the top of the material basket.
[0014] Preferably, a plurality of stirring plates are fixedly connected to the rotating shaft, and the plurality of stirring plates are distributed in a circular array.
[0015] The utility model embodiment has the following advantages:
[0016] 1. The utility model is provided with a movable cleaning mechanism, which, driven by a motor, can drive the material basket and the TOPCON battery silicon wafers therein to shake back and forth during the cleaning process, so that the TOPCON battery silicon wafers can be cleaned and rinsed more thoroughly.
[0017] 2. The utility model is provided with a spray assembly and a plurality of stirring plates. The spray assembly can spray and rinse the TOPCON battery silicon wafers. The rotation of the plurality of stirring plates can stir the water flow in the cleaning box so that the water flow can collide and flush the battery silicon wafers, making the acid and alkali cleaning more thorough. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.
[0019] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment in size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.
[0020] Figure 1 The overall structural diagram provided by the utility model;
[0021] Figure 2 A schematic diagram of the rear structure provided by the utility model;
[0022] Figure 3 It is a schematic diagram of the explosion of the local structure provided by the utility model;
[0023] Figure 4 A sectional view of the overall structure provided by the utility model;
[0024] Figure 5 The utility model provides Figure 3 Enlarged view of the structure of part A in the middle.
[0025] In the figure: 1. cleaning box; 2. material basket; 3. U-shaped cover; 4. rotating shaft; 5. cam; 6. frame; 7. guide block; 8. special-shaped part; 9. bracket; 10. shower head; 11. drain pipe; 12. motor; 13. bolt; 14. support; 15. pulley; 16. slide rail; 17. handle; 18. stirring plate. DETAILED DESCRIPTION
[0026] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0027] See attached Figure 1 - Attachment Figure 5 The utility model provides a TOPCON battery acid-base cleaning device, comprising a cleaning box 1, spray assemblies are arranged at both ends of the top of the cleaning box 1, a material basket 2 is arranged inside the cleaning box 1, a U-shaped cover 3 is fixedly connected to one side of the cleaning box 1, and a movable cleaning mechanism is arranged between the U-shaped cover 3 and the cleaning box 1;
[0028] The movable cleaning mechanism includes a rotating shaft 4, a cam 5, a frame 6 and two guide blocks 7. One end of the rotating shaft 4 is movably connected to the U-shaped cover 3 through a bearing, and the other end of the rotating shaft 4 extends into the cleaning box 1 and is movably connected to the two sides of the cleaning box 1 through two sealed bearings. The rotating shaft 4 passes through the cam 5 and is fixedly connected to the cam 5. The cam 5 is located in the frame 6 and the wheel wall is against the inner wall of the frame 6. The two guide blocks 7 are fixedly connected to the U-shaped cover 3. The sides of the two guide blocks 7 are provided with guide grooves that penetrate the whole. Special-shaped parts 8 are fixedly connected to both sides of the frame 6. The bottoms of the two special-shaped parts 8 are respectively slidably connected to the two guide blocks 7 through two guide grooves, and the tops of the two special-shaped parts 8 are detachably connected to the two ends of the material basket 2.
[0029] In this embodiment, the side cross-section of the special-shaped member 8 is L-shaped, and the top is bent around the cleaning box 1 and connected to the material basket 2 through bolts 13.
[0030] Among them, in order to achieve the purpose of flushing, the device adopts the following technical solutions: the spray assembly includes a bracket 9 and a shower head 10, the bottom of the bracket 9 is fixedly connected to the cleaning box 1, the shower head 10 is placed on the bracket 9, the bracket 9 can adjust the angle, the shower head 10 is connected to the external infusion tube, and the battery silicon wafers in the material basket 2 can be sprayed and flushed, so that the cleaning is more thorough, and a drain pipe 11 is provided at the bottom of the cleaning box 1, and a valve is provided on the drain pipe 11, which can control the discharge of the cleaning liquid in the cleaning box 1;
[0031] In order to achieve the purpose of driving the movable cleaning mechanism to operate, the device adopts the following technical solutions: a motor 12 is fixedly installed on one side of the U-shaped cover 3, and the output shaft of the motor 12 is fixedly connected to the rotating shaft 4;
[0032] Among them, in order to achieve the purpose of detachable material basket 2, the present device adopts the following technical solutions: bolts 13 are provided at both ends of the top of the material basket 2, and the two bolts 13 respectively penetrate the material basket 2 and the two special-shaped parts 8 and are threadedly connected with the material basket 2 and the two special-shaped parts 8, and the material basket 2 is fixedly connected to the side away from the bolts 13 with an L-shaped support member 14, and a plurality of pulleys 15 are provided at the bottom of the support member 14, and a slide rail 16 is fixedly connected to the inner wall of one side of the cleaning box 1, and the plurality of pulleys 15 move in the slide rail 16, and handles 17 are fixedly connected to both ends of the top of the material basket 2;
[0033] Among them, in order to achieve the purpose of stirring the cleaning liquid, the present device is implemented by the following technical solution: a plurality of stirring plates 18 are fixedly connected to the rotating shaft 4, and the plurality of stirring plates 18 are distributed in a circular array. When the rotating shaft 4 rotates, the plurality of stirring plates 18 will be driven to rotate, thereby stirring the water flow in the cleaning box 1, so that it can collide and flush the battery silicon wafer, making the acid and alkali cleaning more thorough.
[0034] The use process of the utility model is as follows: when using the utility model, the user can first put the TOPCON battery silicon wafers to be cleaned with acid and alkali into the material basket 2, and then turn on the two shower nozzles 10 to spray and rinse them. At the same time, the user starts the motor 12, and the output shaft of the motor 12 drives the rotating shaft 4 to rotate, and the rotating shaft 4 drives the cam 5 to rotate. The cam 5 drives the frame 6 and the two special-shaped parts 8 to reciprocate along the guide groove. The two special-shaped parts 8 drive the material basket 2 to reciprocate on the slide rail 16, thereby driving the TOPCON battery silicon wafers inside it to continuously reciprocate. When the cleaning liquid in the cleaning box 1 reaches a certain amount, since the rotating shaft 4 is rotating, it will drive multiple stirring plates 18 to rotate, thereby stirring the water flow in the cleaning box 1, so that it can collide and flush the battery silicon wafers, making the acid and alkali cleaning more thorough.
[0035] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.
Claims
1. A TOPCON battery acid and alkali cleaning device, comprising a cleaning box (1), characterized in that: Both ends of the top of the cleaning box (1) are provided with spray assemblies, a material basket (2) is provided inside the cleaning box (1), a U-shaped cover (3) is fixedly connected to one side of the cleaning box (1), and a movable cleaning mechanism is provided between the U-shaped cover (3) and the cleaning box (1); The movable cleaning mechanism comprises a rotating shaft (4), a cam (5), a frame (6) and two guide blocks (7); one end of the rotating shaft (4) is movably connected to the U-shaped cover (3) through a bearing; the other end of the rotating shaft (4) extends into the cleaning box (1) and is movably connected to two sides of the cleaning box (1) through two sealing bearings; the rotating shaft (4) passes through the cam (5) and is fixedly connected to the cam (5); the cam (5) is located in the frame (6) and the wheel wall abuts against the inner wall of the frame (6); the two guide blocks (7) are fixedly connected to the U-shaped cover (3); the sides of the two guide blocks (7) are provided with guide grooves that pass through the entirety of the guide blocks; both sides of the frame (6) are fixedly connected with special-shaped parts (8); the bottoms of the two special-shaped parts (8) are respectively slidably connected to the two guide blocks (7) through the two guide grooves; the tops of the two special-shaped parts (8) are respectively detachably connected to the two ends of the material basket (2).
2. A TOPCON battery acid-base cleaning device according to claim 1, characterized in that: The spray assembly comprises a bracket (9) and a shower head (10); the bottom of the bracket (9) is fixedly connected to the cleaning box (1), and the shower head (10) is placed on the bracket (9).
3. A TOPCON battery acid-base cleaning device according to claim 1, characterized in that: A drainage pipe (11) is provided at the bottom of the cleaning box (1).
4. A TOPCON battery acid-base cleaning device according to claim 1, characterized in that: A motor (12) is fixedly mounted on one side of the U-shaped cover (3), and an output shaft of the motor (12) is fixedly connected to the rotating shaft (4).
5. A TOPCON battery acid-base cleaning device according to claim 1, characterized in that: Bolts (13) are provided at both ends of the top of the material basket (2), and the two bolts (13) respectively penetrate the material basket (2) and the two special-shaped parts (8) and are threadedly connected to the material basket (2) and the two special-shaped parts (8).
6. A TOPCON battery acid-base cleaning device according to claim 5, characterized in that: An L-shaped support member (14) is fixedly connected to the side of the material basket (2) away from the bolt (13), and a plurality of pulleys (15) are provided at the bottom of the support member (14).
7. A TOPCON battery acid-base cleaning device according to claim 6, characterized in that: A slide rail (16) is fixedly connected to the inner wall of one side of the cleaning box (1), and a plurality of groups of pulleys (15) move in the slide rail (16).
8. A TOPCON battery acid-base cleaning device according to claim 1, characterized in that: Both ends of the top of the material basket (2) are fixedly connected with handles (17).
9. A TOPCON battery acid-base cleaning device according to claim 1, characterized in that: A plurality of stirring plates (18) are fixedly connected to the rotating shaft (4), and the plurality of stirring plates (18) are distributed in a circular array.
