CN219425067U - Novel heterojunction battery washs device - Google Patents
Novel heterojunction battery washs device Download PDFInfo
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- CN219425067U CN219425067U CN202223189096.XU CN202223189096U CN219425067U CN 219425067 U CN219425067 U CN 219425067U CN 202223189096 U CN202223189096 U CN 202223189096U CN 219425067 U CN219425067 U CN 219425067U
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- cleaning
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- cleaning tank
- rear cover
- pure water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model provides a novel heterojunction battery cleaning device, in particular to the technical field of battery cleaning, which comprises a spraying device, a clamping device, a cleaning tank and a bubbling device, wherein the spraying device comprises a cleaning tank, a cleaning device and a cleaning device, wherein the cleaning device comprises a cleaning device, a cleaning device: the spraying device comprises a pure water pipe, a rear cover and a water supply device, wherein the pure water pipe is fixedly connected with the rear cover, a water inlet is formed in the top of the rear cover, the water inlet of the rear cover is connected with the pure water pipe in the same way, the rear cover is positioned at the bottom of the fixed plate and is fixedly connected with the fixed plate, and the water supply device enables the pure water pipe to spray through water inlet; the cleaning device can clean the silicon wafer through the pure water pipe of the spraying device, so that the surface of the silicon wafer is cleaner, and the passivation effect and performance of the silicon wafer are better.
Description
Technical Field
The utility model relates to the technical field of battery cleaning, in particular to a novel heterojunction battery cleaning device.
Background
Along with the continuous development of science and technology, solar cells are widely applied to daily life and industry of people, in recent years, the production technology of solar cells is continuously improved, the production cost is continuously reduced, the conversion efficiency is continuously improved, the application of solar cell power generation is increasingly wide and becomes an important energy source for power supply, the solar cells become targets of world priority development due to the advantages of cleanliness, safety, easiness in acquisition and the like, the main development direction of the solar cells is to reduce the cost and increase the power generation efficiency, and the conversion efficiency of heterogeneous cells is improved from 21.5% in 2015 to 24.5% in 2022 at present, so that the solar cells are expected to become next generation mainstream cells.
The existing novel heterojunction battery consists of amorphous silicon and crystalline silicon, has multiple advantages of simple battery structure, few process steps, low attenuation, high efficiency, high double-sided rate and the like, combines the advantages of high carrier mobility of crystalline silicon with the advantages of low-temperature chemical vapor deposition amorphous silicon process, has very good passivation performance, breaks through 26.5% of conversion efficiency of a heterojunction battery laboratory which uses n-type large-area crystalline silicon as a substrate and is developed by a hump group, the conversion efficiency of an industrialized battery piece reaches 24.5%, the solar battery with the heterojunction structure is currently produced in small scale, and when the solar battery is prepared, the solar battery is usually required to be subjected to texturing cleaning firstly to provide clean crystalline silicon surface with low reflectivity for preparing good amorphous silicon in PECVD (plasma enhanced chemical vapor deposition) process, and the texturing cleaning has great influence on the conversion efficiency of the heterojunction battery, wherein the water washing mode is critical to the efficiency and the stability of the battery.
At present, most of heterojunction solar cells need to be washed after washing, rough polishing, pre-washing, texturing, rounding and other working procedures, a basket with silicon chips is usually placed in a washing tank after each step, then bubbling and water purifying valves are opened to carry out bubbling and overflow so as to finish washing, the heterojunction solar cells are immersed in the next rough polishing tank and the like after washing, the existing washing device is filled with fresh pure water, but the water after washing in the tank cannot be completely replaced within two minutes, the water in the tank always has chemical residues and washed pollutants, the surface of the silicon chips still has the chemical residues and the pollutant residues remained in the last functional tank when the silicon chips are put out of the washing tank, the concentration of the reactants and the pollutants in the tank is increased along with the increase of washing batches, the cleanliness of the silicon chips is not facilitated, the washing time is prolonged, the consumption of the pure water is easy to increase, and the manufacturing cost is increased.
In view of the above, the utility model provides a novel heterogeneous battery cleaning device which can make the surface of the cleaned silicon wafer cleaner under the premise of not increasing water consumption and cleaning time.
Disclosure of Invention
The utility model aims to solve the problem that the surface of a silicon wafer in a heterojunction battery is not cleaned cleanly, and provides a novel heterojunction battery cleaning device.
The utility model is realized by the following technical scheme:
the utility model provides a novel heterogeneous battery cleaning device which comprises a spraying device, a clamping device, a cleaning tank and a bubbling device, wherein:
the novel heterogeneous battery cleaning device comprises a spraying device, a clamping device, a cleaning tank and a bubbling device, wherein:
the cleaning tank is used for bearing cleaning liquid;
the clamping device comprises clamping jaws, a fixing piece, a fixing plate and a motor, wherein the motor is fixedly connected with the fixing plate, the fixing piece is fixedly connected with the top of the fixing plate, the motor is fixedly connected with the fixing plate, the output end of the motor is fixedly connected with the gear, and the clamping jaws are movably connected with the fixing plate;
the spraying device comprises a pure water pipe, a rear cover and a water supply device, wherein the pure water pipe is fixedly connected with the rear cover, a water inlet is formed in the top of the rear cover, the water inlet of the rear cover is connected with the pure water pipe in the same way, the rear cover is positioned at the bottom of the fixed plate and is fixedly connected with the fixed plate, and the water supply device enables the pure water pipe to spray through water inlet;
the bubbling device is positioned at the other side of the cleaning tank and is used for conveying nitrogen into the cleaning tank.
Further, the heterojunction battery cell also comprises a bearing basket, wherein the bearing basket is used for bearing the heterojunction battery.
Further, the bubbling device comprises a nitrogen device and a gas pipeline, one end of the gas pipeline is connected with the cleaning tank, and the other end of the gas pipeline is fixedly connected with the nitrogen device.
Further, the clamping jaw comprises a fixing rod, a connecting plate and clamping jaws, a plurality of clamping jaws are arranged on the connecting plate, the clamping jaws are fixedly connected with the connecting plate, and the fixing plate is located on the side face of the connecting plate and is fixedly connected with the connecting plate.
Further, the fixing rod is provided with lines matched with the gear, and the motor drives the gear to move the fixing rod.
Further, the fixing rod penetrates through two sides of the fixing plate and is movably connected with the fixing plate.
Further, the clamping device further comprises a mechanical arm, the mechanical arm is fixedly connected with the fixing piece, and the mechanical arm is located on one side of the cleaning tank.
According to the improvement, a water inlet pipe is arranged at the bottom of the cleaning tank, one end of the water inlet pipe is connected with the interior of the cleaning tank in the same way, and the other end of the water inlet pipe is fixedly connected with a water supply device.
The utility model has the beneficial effects that: the novel heterojunction battery cleaning device provided by the utility model can be used for cleaning clean pure water which is finally contacted with a silicon wafer under the condition that the overflow amount of the pure water is adjusted by the spraying device to ensure that the total water consumption is unchanged, and meanwhile, the carrying basket is moved into another cleaning tank, so that the risk of groove crossing of chemicals in the cleaning tank is avoided, the surface of the silicon wafer is cleaner by the cleaning device, and the passivation effect and performance of the silicon wafer are better.
Drawings
FIG. 1 is an overall view of the novel heterojunction cell cleaning device of the present utility model;
FIG. 2 is an exploded view of a gripping device of the novel heterojunction cell cleaning device of the present utility model;
fig. 3 is a schematic structural diagram of a clamping device of the novel heterojunction cell cleaning device.
The implementation, functional features and advantages of the present application will be further described with reference to the accompanying drawings in conjunction with the embodiments.
Detailed Description
In order to more clearly and completely describe the technical scheme of the utility model, the utility model is further described below with reference to the accompanying drawings.
Referring to FIGS. 1-3, the present utility model proposes
The novel heterogeneous battery cleaning device comprises a spraying device, a clamping device, a cleaning tank and a bubbling device, wherein:
the novel heterogeneous battery cleaning device comprises a spraying device, a clamping device, a cleaning tank and a bubbling device, wherein:
the cleaning tank is used for bearing cleaning liquid;
the clamping device comprises a clamping piece, a fixing piece 12, a fixing plate 11 and a motor 14, wherein the motor 14 is fixedly connected with the fixing plate 11, the fixing piece 12 is fixedly connected with the top of the fixing plate 11, the motor 14 is fixedly connected with the fixing plate 11, the output end of the motor 14 is fixedly connected with the gear 13, and the clamping piece is movably connected with the fixing plate 11;
the spraying device comprises a pure water pipe 15, a rear cover 16 and a water supply device, wherein the pure water pipe 15 is fixedly connected with the rear cover 16, a water inlet 17 is formed in the top of the rear cover 16, the water inlet 17 of the rear cover 16 is connected with the pure water pipe 15 in the same way, the rear cover 16 is positioned at the bottom of the fixed plate 11 and is fixedly connected with the fixed plate 11, and the water supply device sprays the pure water pipe 15 by feeding water through the water inlet 17;
the bubbling device is positioned at the other side of the cleaning tank and is used for conveying nitrogen into the cleaning tank.
In this embodiment, the water supply device 4 and the nitrogen device 5 are all commonly used in the art, pure water enters the pure water pipeline through the water supply device 4 and then enters the pure water pipe 15, and flows out from the pure water pipe 15 to the outside, the spraying device can spray and clean the carrier basket 3 cleaned in the cleaning tank 9, residual pollutants on the surface of the silicon wafer are removed through cleaning, the bubbling device can convey nitrogen to enable cleaning to be more complete, the clamping device can clamp the carrier basket 3 to vertically move, and simultaneously can move the carrier basket 3 from one cleaning tank 9 to another functional tank, when in use, the mechanical clamping piece clamps the main carrier basket 3, the mechanical arm 1 drives the mechanical clamping piece to simultaneously place the carrier basket 3 for carrying the silicon wafer into the cleaning tank 9, after the carrier basket 3 is prevented from being in a proper position, the motor 14 rotates to loosen the clamping piece, meanwhile, the pure water inlet at the bottom of the tank body and the nitrogen device 5 are started to bubble, after two minutes of cleaning, the mechanical arm 1 drives the mechanical clamping piece to move vertically, after the mechanical clamping piece enters the cleaning tank 9, the motor 14 rotates to loosen the clamping piece to clamp the bearing basket 3, then the bearing basket 3 is slowly lifted out of the cleaning tank 9, when the silicon slice just leaves the water surface of the water tank, the pure water pipe 15 is started to spray the silicon slice, the bearing basket 3 moves upwards gradually, a plurality of silicon slices on the bearing basket 3 sequentially pass through the cleaning of the pure water pipe 15, when the bearing basket 3 completely leaves the cleaning tank 9, the pure water pipe 15 stops spraying, then the mechanical arm 1 clamps the bearing basket 3 to move the bearing basket 3 into the functional tanks such as a pickling tank and a texturing tank, the cleaning of the silicon slice is performed through the spraying device, the silicon wafer can be contacted with clean pure water finally, the risk of chemical cross-slot between the functional slot and the cleaning slot 9 can not occur, and the surface of the silicon wafer is cleaner when the silicon wafer is in contact with the functional slot, so that the passivation effect and the performance of the silicon wafer are better.
In this embodiment, the device further comprises a carrying basket 3, wherein the carrying basket 3 is used for carrying a heterojunction battery.
The method is characterized in that when in specific implementation: the carrying basket 3 can carry a plurality of heterojunction batteries on the one hand, and is more rapid and convenient when the heterojunction batteries are moved into the other cleaning tank 9 from the one cleaning tank 9 through the carrying basket 3.
In this embodiment, the bubbling device includes a nitrogen device 5 and a gas pipeline 6, one end of the gas pipeline 6 is connected with the cleaning tank 9, and the other end is fixedly connected with the nitrogen device 5.
The method is characterized in that when in specific implementation: the inside abluent liquid that is full of washing tank 9, nitrogen gas is through gas line 6 entering to washing tank 9 inside afterwards, through constantly letting in nitrogen gas, washs the heterojunction battery that bears basket of flowers 3 inside, makes the pollutant on heterojunction battery surface drop, makes the abluent more complete of heterojunction battery.
In this embodiment, the holder includes dead lever 9, connecting plate 8 and clamping jaw 2, be equipped with a plurality of clamping jaws 2 on the connecting plate 8, clamping jaw 2 with connecting plate 8 fixed connection, fixed plate 11 be located connecting plate 8 side and with connecting plate 8 fixed connection, be equipped with on the dead lever 9 with gear 13 complex line 10, thereby motor 14 drives gear 13 and moves dead lever 9, dead lever 9 runs through the fixed plate 11 both sides, and with fixed plate 11 swing joint.
The method is characterized in that when in specific implementation: the motor 14 drives the gear 13 to rotate, and the gear 13 drives the line on the dead lever 9 to remove, and then dead lever 9 slides on fixed plate 11, and dead lever 9 drives connecting plate 8 and removes, and connecting plate 8 drives clamping jaw 2 and carries basket 3 to the realization is carried basket 3's clamp and is loosened.
In this embodiment, the gripping device further includes a mechanical arm, where the mechanical arm is fixedly connected to the fixing member 12, and the mechanical arm is located on one side of the cleaning tank.
The method is characterized in that when in specific implementation: the mechanical clamping piece can clamp and take the carrier flower basket 3, the mechanical arm 1 can drive the mechanical clamping piece to vertically move up and down, and can also drive the mechanical clamping piece to move towards the arrangement direction of the cleaning tank 9, the mechanical arm 1 drives the mechanical clamping piece to vertically move, so that the carrier flower basket 3 is clamped and taken out from the cleaning tank 9, the clamping device is positioned at one side of the central positions of the two cleaning tanks 9, the mechanical arm 1 can move the carrier flower basket 3 from the cleaning tank 9 into one other functional tank, and can also drive the mechanical clamping piece to clamp and take the carrier flower basket 3 from the functional tank through the mechanical arm 1, and the carrier flower basket 3 is clamped into the other cleaning tank, so that the heterojunction battery inside the automatic moving carrier flower basket 3 is cleaned and processed.
In this example, a water inlet pipe 7 is arranged at the bottom of the cleaning tank 9, one end of the water inlet pipe 7 is connected with the interior of the cleaning tank 9, and the other end is fixedly connected with the water supply device 4.
The method is characterized in that when in specific implementation: the water inlet pipe 7 at the bottom of the cleaning tank 9 can convey pure water into the cleaning tank 9, so that the cleaning of the silicon wafer is completed.
Of course, the present utility model can be implemented in various other embodiments, and based on this embodiment, those skilled in the art can obtain other embodiments without any inventive effort, which fall within the scope of the present utility model.
Claims (8)
1. Novel heterojunction battery washs device, its characterized in that includes spray set, presss from both sides and gets device, washing tank and tympanic bulla device, wherein:
the cleaning tank is used for bearing cleaning liquid;
the clamping device comprises clamping jaws, a fixing piece, a fixing plate and a motor, wherein the motor is fixedly connected with the fixing plate, the fixing piece is fixedly connected with the top of the fixing plate, the output end of the motor is fixedly connected with a gear, and the clamping jaws are movably connected with the fixing plate;
the spraying device comprises a pure water pipe, a rear cover and a water supply device, wherein the pure water pipe is fixedly connected with the rear cover, a water inlet is formed in the top of the rear cover, the water inlet of the rear cover is connected with the pure water pipe in the same way, the rear cover is positioned at the bottom of the fixed plate and is fixedly connected with the fixed plate, and the water supply device enables the pure water pipe to spray through water inlet;
the bubbling device is positioned at the other side of the cleaning tank and is used for conveying nitrogen into the cleaning tank.
2. The novel heterojunction cell cleaning device of claim 1, further comprising a carrying basket for carrying the heterojunction cell.
3. The novel heterojunction cell cleaning device of claim 1, wherein the bubbling device comprises a nitrogen device and a gas pipeline, one end of the gas pipeline is connected with the cleaning tank, and the other end of the gas pipeline is fixedly connected with the nitrogen device.
4. The novel heterojunction battery cleaning device according to claim 1, wherein the clamping jaw comprises a fixing rod, a connecting plate and clamping jaws, a plurality of clamping jaws are arranged on the connecting plate and fixedly connected with the connecting plate, and the fixing plate is located on the side face of the connecting plate and fixedly connected with the connecting plate.
5. The novel heterojunction cell cleaning device of claim 4, wherein the fixing rod is provided with lines matched with the gear, and the motor drives the gear to move the fixing rod.
6. The novel heterojunction cell cleaning device of claim 5, wherein the fixing rod penetrates through two sides of the fixing plate and is movably connected with the fixing plate.
7. The novel heterojunction cell cleaning device of claim 6, wherein the clamping device further comprises a mechanical arm fixedly connected with the fixing member, and the mechanical arm is located on one side of the cleaning tank.
8. The novel heterojunction cell cleaning device according to claim 1, wherein a water inlet pipe is arranged at the bottom of the cleaning tank, one end of the water inlet pipe is connected with the interior of the cleaning tank in the same way, and the other end of the water inlet pipe is fixedly connected with the water supply device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223189096.XU CN219425067U (en) | 2022-11-30 | 2022-11-30 | Novel heterojunction battery washs device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223189096.XU CN219425067U (en) | 2022-11-30 | 2022-11-30 | Novel heterojunction battery washs device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219425067U true CN219425067U (en) | 2023-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223189096.XU Active CN219425067U (en) | 2022-11-30 | 2022-11-30 | Novel heterojunction battery washs device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219425067U (en) |
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2022
- 2022-11-30 CN CN202223189096.XU patent/CN219425067U/en active Active
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