Film coating device for PERC battery
By designing a coating device for PERC batteries, the battery is fixed by clamping and magnetic suction, and continuous coating and tightening is achieved through the rolling film and pressing roller, the problems of discontinuous and non-tightening of the coating in the prior art are solved, and the production efficiency and battery performance are improved.
Patent Information
- Application Number
- CN202420267393.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-04
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-02-04
AI Technical Summary
The existing coating devices for PERC batteries cannot achieve continuous coating, resulting in wasted time, and if the back of the battery is not tightened, it will affect the photoelectric conversion rate.
A coating device including a base, a fixing assembly and a coating assembly is designed. The fixing assembly fixes and adsorbs the battery through the clamping part and the magnetic suction part, while the coating assembly uses a roll film and a pressing roller to achieve continuous coating and tightening on the back of the battery.
It realizes the rapid completion and tightening of the battery coating, improves production efficiency, and ensures the photoelectric conversion rate of the battery.
Smart Images

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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of battery coating, in particular to a coating device for a PERC battery. Background Art
[0002] PERC cells, or emitter back passivation cells, are a type of crystalline silicon cells. The cells mainly rely on PN junctions to generate electricity, but there are impurities and defects in the crystals, which causes the electrons inside to be in an unstable state. A dense passivation layer is formed on the surface of the cell, blocking the internal electrons from jumping to the cell surface to form composite carriers, reducing the power generation effect.
[0003] At present, in the actual production process, the coating device used for PERC cells can only coat the cells intermittently and cannot operate continuously, which wastes time. At the same time, if the coating on the back of the cell is not tight, it will lead to the photoelectric conversion rate of the cell. Utility Model Content
[0004] The purpose of the utility model is to provide a coating device for PERC cells, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a coating device for PERC battery, comprising:
[0006] A base, wherein a placement groove is provided inside the base;
[0007] A fixing assembly, wherein the fixing assembly is arranged on the top of the base;
[0008] Wherein, the fixing component includes a clamping part and a magnetic attraction part;
[0009] A film covering component, wherein the film covering component is fixedly installed on the top of the base;
[0010] Wherein, the laminating component includes a driving part and a laminating part.
[0011] Preferably, the clamping part includes a clamping plate, a threaded rod is arranged on the left side of the clamping plate, a rocker is fixedly installed on the left side of the threaded rod, and a threaded seat is arranged on the top of the base.
[0012] Preferably, the clamping plate is arranged on the top of the base, the clamping plate and the threaded rod are movably installed, the threaded rod and the threaded seat are installed through threads, and one end of the threaded rod passes through the clamping plate and extends to the inside of the clamping plate.
[0013] Preferably, the magnetic attraction portion includes a frame, an electromagnet is fixedly installed inside the base, and an electromagnetic switch is fixedly installed on the left side of the base.
[0014] Preferably, the frame and the electromagnet are magnetically mounted, the electromagnetic switch and the electromagnet are electrically connected, one end of the threaded rod passes through the frame and extends to the inside of the frame, and the threaded seat is fixedly mounted to the frame.
[0015] Preferably, the driving part includes a motor frame, a motor is fixedly installed inside the motor frame, a coupling is fixedly installed at the output end of the motor, a long threaded rod is fixedly installed at one end of the coupling, a threaded plate is provided inside the base, and a bracket is fixedly installed on the top of the threaded plate.
[0016] Preferably, the motor frame is fixedly installed on the base, one end of the long threaded rod passes through the base and the threaded plate in sequence, and one end of the long threaded rod extends to the inside of the base, the long threaded rod and the threaded plate are installed by threads, and the bottom of the bracket passes through the base and extends to the inside of the base.
[0017] Preferably, the coating part includes a fixed seat, a hydraulic telescopic rod 1 is fixedly installed inside the fixed seat, a horizontal plate is fixedly installed on the output end of the hydraulic telescopic rod 1, a film roll is arranged on the bottom of the horizontal plate, a column is fixedly installed on the top of the horizontal plate, a hydraulic telescopic rod 2 is movably installed on the top of the column through a pin, a connecting rod is movably installed on the output end of the hydraulic telescopic rod 2 through a pin, a pressure roller is movably installed on the bottom of the connecting rod, a connecting seat is movably installed on the bottom of the horizontal plate through a pin, the fixed seat is fixedly installed with the bracket, and the output end of the hydraulic telescopic rod 1 passes through the bracket and extends to the bottom of the bracket.
[0018] The utility model provides a coating device for PERC cells, which has the following beneficial effects:
[0019] (1) The utility model provides a fixing assembly, uses a clamping part to fix and clamp the battery, and uses a magnetic part to adsorb and fix the entire battery placement part. The battery placement part is modularized and multiple placement parts are prepared, so that after the battery is coated, another placement part with the battery placed can be placed in the installation groove, thereby achieving a rapid coating effect.
[0020] (2) The utility model provides a coating assembly to coat the back of the battery using a roll film, and provides a pressing roller to perform secondary compression on the back of the battery after the coating is completed, thereby achieving the effect of ensuring the tightness of the battery coating. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the structure of the utility model;
[0022] Figure 2 This is the front view of the utility model;
[0023] Figure 3 It is the left view of the utility model;
[0024] Figure 4 For this utility model Figure 2 A partial enlarged view of the middle part.
[0025] In the figure: 1 base, 2 placement slot, 3 fixing component, 31 clamping part, 311 shaking plate, 312 threaded seat, 313 threaded rod, 314 clamping plate, 32 magnetic part, 321 frame, 322 electromagnet, 323 electromagnetic switch, 4 coating component, 41 driving part, 411 motor frame, 412 motor, 413 coupling, 414 threaded long rod, 415 threaded plate, 416 bracket, 42 coating part, 421 fixing seat, 422 hydraulic telescopic rod 1, 423 horizontal plate, 424 film roll, 425 column, 426 hydraulic telescopic rod 2, 427 connecting rod, 428 clamping roller, 429 connecting seat. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention. Example
[0028] A preferred embodiment of a coating device for PERC cells provided by the utility model is as follows: Figure 1-4 As shown: A coating device for PERC cells, comprising:
[0029] A base 1, wherein a placement slot 2 is provided inside the base 1;
[0030] A fixing component 3, the fixing component 3 is arranged on the top of the base 1;
[0031] The fixing assembly 3 includes a clamping portion 31 and a magnetic attraction portion 32;
[0032] The clamping part 31 includes a clamping plate 314, a threaded rod 313 is arranged on the left side of the clamping plate 314, a rocking plate 311 is fixedly installed on the left side of the threaded rod 313, a threaded seat 312 is arranged on the top of the base 1, the clamping plate 314 is arranged on the top of the base 1, the clamping plate 314 and the threaded rod 313 are movably installed, the threaded rod 313 and the threaded seat 312 are threadedly installed, and one end of the threaded rod 313 passes through the clamping plate 314 and extends to the inside of the clamping plate 314; the rocking plate 311 is shaken, and the threaded rod 313 rotates. Since the threaded rod 313 and the threaded seat 312 are threadedly installed, the threaded rod 313 moves, and since the clamping plate 314 and the threaded rod 313 are movably installed, the clamping plate 314 is pushed to clamp the battery;
[0033] The magnetic attraction part 32 includes a frame 321, an electromagnet 322 is fixedly installed inside the base 1, an electromagnetic switch 323 is fixedly installed on the left side of the base 1, the frame 321 and the electromagnet 322 are magnetically installed, the electromagnetic switch 323 and the electromagnet 322 are electrically connected, one end of the threaded rod 313 passes through the frame 321 and extends to the inside of the frame 321, and the threaded seat 312 is fixedly installed on the frame 321; the electromagnetic switch 323 controls the switch of the electromagnet 322, when the battery coating is completed, the electromagnet 322 is turned off, the entire frame 321 is taken out, and another frame 321 with a battery is placed in the placement slot 2 for coating. The modular setting achieves the effect of convenient operation. Example
[0034] On the basis of Example 1, a preferred embodiment of a coating device for a PERC cell provided by the present invention is as follows: Figure 1-4 As shown: a film covering component 4, the film covering component 4 is fixedly installed on the top of the base 1;
[0035] The film-coating assembly 4 includes a driving part 41 and a film-coating part 42;
[0036] The driving part 41 includes a motor frame 411, a motor 412 is fixedly installed inside the motor frame 411, a coupling 413 is fixedly installed at the output end of the motor 412, a threaded long rod 414 is fixedly installed at one end of the coupling 413, a threaded plate 415 is provided inside the base 1, a bracket 416 is fixedly installed on the top of the threaded plate 415, the motor frame 411 is fixedly installed with the base 1, one end of the threaded long rod 414 passes through the base 1 and the threaded plate 415 in sequence, and one end of the threaded long rod 414 extends to the inside of the base 1, the threaded long rod 414 and the threaded plate 415 are installed by threads, and the bottom of the bracket 416 passes through the base 1 and extends to the inside of the base 1; start the motor 412, the threaded long rod 414 rotates, the threaded plate 415 moves, and drives the bracket 416 to move;
[0037] The film coating part 42 includes a fixed seat 421, a hydraulic telescopic rod 422 is fixedly installed inside the fixed seat 421, a horizontal plate 423 is fixedly installed at the output end of the hydraulic telescopic rod 422, a film roll 424 is arranged at the bottom of the horizontal plate 423, a column 425 is fixedly installed on the top of the horizontal plate 423, a hydraulic telescopic rod 426 is movably installed on the top of the column 425 through a pin shaft, a connecting rod 427 is movably installed on the output end of the hydraulic telescopic rod 426 through a pin shaft, a pressing roller 428 is movably installed at the bottom of the connecting rod 427, and a film roll 424 is arranged at the bottom of the horizontal plate 423 through a pin shaft. A connecting seat 429 is movably installed, and the fixed seat 421 is fixedly installed with the bracket 416. The output end of the hydraulic telescopic rod 422 passes through the bracket 416 and extends to the bottom of the bracket 416; the roll film 424 coats the battery, and the clamping roller 428 clamps the battery part after the coating is completed. The hydraulic telescopic rod 426 is started, the connecting rod 427 moves, and the position of the clamping roller 428 changes. Since the connecting seat 429 and the cross plate 423 are movably installed, the connecting seat 429 can be taken out by simply taking out the pin shaft, and the roll film 424 can be replaced.
[0038] When in use, the oscillating plate 311 is shaken, and the threaded rod 313 rotates. Since the threaded rod 313 and the threaded seat 312 are installed by threads, the threaded rod 313 moves. Since the clamping plate 314 and the threaded rod 313 are movably installed, the clamping plate 314 is pushed to clamp the battery. The electromagnetic switch 323 controls the switch of the electromagnet 322. When the battery coating is completed, the electromagnet 322 is turned off, the entire frame 321 is taken out, and another frame 321 with a battery is placed in the placement slot 2 for coating. The setting achieves the effect of convenient operation, the motor 412 is started, the threaded long rod 414 rotates, the threaded plate 415 moves, and the bracket 416 is driven to move, the roll film 424 coats the battery, and the clamping roller 428 clamps the battery part after the coating is completed, the hydraulic telescopic rod 426 is started, the connecting rod 427 moves, and the position of the clamping roller 428 changes. Since the connecting seat 429 and the horizontal plate 423 are movably installed, the connecting seat 429 can be taken out by simply taking out the pin shaft, and the roll film 424 can be replaced.
[0039] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A coating device for PERC cells, characterized in that: include: A base (1), wherein a placement groove (2) is provided inside the base (1); A fixing component (3), wherein the fixing component (3) is arranged on the top of the base (1); Wherein, the fixing component (3) comprises a clamping portion (31) and a magnetic attraction portion (32); A film covering component (4), wherein the film covering component (4) is fixedly mounted on the top of the base (1); Wherein, the laminating component (4) comprises a driving portion (41) and a laminating portion (42).
2. A coating device for PERC cells according to claim 1, characterized in that: The clamping portion (31) comprises a clamping plate (314), a threaded rod (313) is arranged on the left side of the clamping plate (314), a rocking plate (311) is fixedly mounted on the left side of the threaded rod (313), and a threaded seat (312) is arranged on the top of the base (1).
3. A coating device for PERC cells according to claim 2, characterized in that: The clamping plate (314) is arranged on the top of the base (1); the clamping plate (314) and the threaded rod (313) are movably mounted; the threaded rod (313) and the threaded seat (312) are mounted via threads; one end of the threaded rod (313) passes through the clamping plate (314) and extends into the interior of the clamping plate (314).
4. The coating device for PERC cell according to claim 1, characterized in that: The magnetic attraction portion (32) comprises a frame (321), an electromagnet (322) is fixedly mounted inside the base (1), and an electromagnetic switch (323) is fixedly mounted on the left side of the base (1).
5. A coating device for PERC cells according to claim 4, characterized in that: The frame (321) and the electromagnet (322) are magnetically mounted, the electromagnetic switch (323) and the electromagnet (322) are electrically connected, one end of the threaded rod (313) passes through the frame (321) and extends to the inside of the frame (321), and the threaded seat (312) and the frame (321) are fixedly mounted.
6. The coating device for PERC cell according to claim 1, characterized in that: The driving part (41) comprises a motor frame (411), a motor (412) is fixedly mounted inside the motor frame (411), a coupling (413) is fixedly mounted on the output end of the motor (412), a long threaded rod (414) is fixedly mounted on one end of the coupling (413), a threaded plate (415) is arranged inside the base (1), and a bracket (416) is fixedly mounted on the top of the threaded plate (415).
7. A coating device for PERC cells according to claim 6, characterized in that: The motor frame (411) is fixedly mounted on the base (1), one end of the threaded long rod (414) passes through the base (1) and the threaded plate (415) in sequence, and one end of the threaded long rod (414) extends to the inside of the base (1), the threaded long rod (414) and the threaded plate (415) are mounted via threads, and the bottom of the bracket (416) passes through the base (1) and extends to the inside of the base (1).
8. The coating device for PERC cell according to claim 1, characterized in that: The coating part (42) includes a fixed seat (421), a hydraulic telescopic rod 1 (422) is fixedly installed inside the fixed seat (421), a horizontal plate (423) is fixedly installed on the output end of the hydraulic telescopic rod 1 (422), a film roll (424) is arranged at the bottom of the horizontal plate (423), a column (425) is fixedly installed on the top of the horizontal plate (423), a hydraulic telescopic rod 2 (426) is movably installed on the top of the column (425) through a pin shaft, a connecting rod (427) is movably installed on the output end of the hydraulic telescopic rod 2 (426) through a pin shaft, a pressure roller (428) is movably installed on the bottom of the connecting rod (427), a connecting seat (429) is movably installed on the bottom of the horizontal plate (423) through a pin shaft, the fixed seat (421) is fixedly installed with the bracket (416), and the output end of the hydraulic telescopic rod 1 (422) passes through the bracket (416) and extends to the bottom of the bracket (416).