CN209843736U - Acid etching additive liquid supplementing device for photovoltaic silicon wafer wet cleaning process - Google Patents
Acid etching additive liquid supplementing device for photovoltaic silicon wafer wet cleaning process Download PDFInfo
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- CN209843736U CN209843736U CN201920661440.XU CN201920661440U CN209843736U CN 209843736 U CN209843736 U CN 209843736U CN 201920661440 U CN201920661440 U CN 201920661440U CN 209843736 U CN209843736 U CN 209843736U
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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
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Abstract
The utility model discloses a photovoltaic silicon chip wet cleaning technology acid etching additive fluid infusion device, including reservoir, communicating pipe, controller, first spacing ring, second spacing ring and power cord, reservoir one side inner wall is provided with communicating pipe, communicating pipe lower extreme inner wall is provided with first spacing ring, first spacing ring top is provided with the piston, the sealing washer is installed in the embedding of piston outer wall, communicating pipe upper end inner wall is provided with the second spacing ring, second spacing ring top is provided with the movable block, surface mounting has the second contact on the movable block, the fixed block is installed to communicating pipe top inner wall, fixed block lower fixed surface has first contact, the controller is installed to reservoir one side outer wall. The utility model discloses an when setting up the liquid level and rising, utilize the communicating vessel principle to drive the piston with the air and rise, avoid acidic liquid and piston and first contact, second contact, reduce the corruption of appearing, increase of service life.
Description
Technical Field
The utility model relates to a photovoltaic acid etching equipment technical field specifically is a photovoltaic silicon chip wet cleaning technology acid etching additive fluid infusion device.
Background
In photovoltaic silicon chip production process, use the acid etching method to carve the matte with the silicon chip surface usually, thereby increase the optical path, reduce the reflection of light, acid liquid can reduce along with going on of production in actual production process, then need add, acid liquid's liquid level height is difficult to control in the reservoir, the direct interpolation of staff can lead to the liquid level to spill over the problem of reservoir, and under traditional level sensor is not applicable to acid environment, cause the corruption easily, thereby life has been reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a photovoltaic silicon chip wet cleaning technology acid etching additive fluid infusion device possesses the advantage that reduces acidic liquid and corrode liquid level sensing device, has solved the easy problem of corroding of liquid level sensing equipment.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a photovoltaic silicon chip wet cleaning technology acid etching additive fluid infusion device, includes reservoir, communicating pipe, controller, first spacing ring, second spacing ring and power cord, reservoir one side inner wall is provided with communicating pipe, communicating pipe lower extreme inner wall is provided with first spacing ring, first spacing ring top is provided with the piston, the sealing washer is installed in the embedding of piston outer wall, communicating pipe upper end inner wall is provided with the second spacing ring, second spacing ring top is provided with the movable block, surface mounting has the second contact on the movable block, the fixed block is installed to communicating pipe top inner wall, fixed block lower fixed surface has first contact, the controller is installed to reservoir one side outer wall.
Preferably, the upper end of the outer wall of one side, away from the controller, of the liquid storage tank is connected with a liquid inlet pipe in an inserting mode, the lower end of the liquid inlet pipe is located at the bottom end of the inner wall of the liquid storage tank, the bottom end of the outer wall of one side, away from the controller, of the liquid storage tank is connected with a liquid discharge pipe in an inserting mode, a first electromagnetic valve and a second electromagnetic valve are installed inside the liquid inlet pipe and the liquid discharge pipe respectively, and the first electromagnetic valve and.
Preferably, the controller deviates from reservoir one side outer wall embedding and installs display screen and button, and the button is located the display screen below.
Preferably, a buzzer is mounted on the surface of the upper end of the communicating pipe, and the buzzer is electrically connected with the controller.
Preferably, the first contact and the second contact are electrically connected with the controller through power lines.
Preferably, the upper end of the communicating pipe is higher than the opening of the liquid storage tank, and the outer wall of the communicating pipe is connected with the inner wall of the liquid storage tank through symmetrically distributed connecting blocks.
Preferably, the upper surface of the piston is provided with a top block, and the diameter of the outer wall of the top block is smaller than that of the inner wall of the second limiting ring.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a rising of acid liquid level in the reservoir, utilize the communicating vessel principle, with acid liquid in communicating pipe inside rising, make the air of communicating pipe bottom rise together with the piston, when the piston rises to communicating pipe top, kicking block and movable block lower surface contact, and it rises to drive the movable block, make second contact and first contact, the control circuit of switch-on controller, bee calling organ begins to work, remind the staff acid liquid of worker group to add the completion, need in time to close first solenoid valve, stop the liquid feeding, acid liquid does not produce the contact with piston and movable block in this in-process, thereby reduced acid liquid to piston and movable block and first contact, the corruption of second contact, normal use and life in the actual production have effectively been ensured.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is an enlarged schematic view of the structure a in fig. 1 according to the present invention;
fig. 3 is an enlarged schematic view of the structure B in fig. 1 according to the present invention;
fig. 4 is a schematic view of an electrical connection structure of the present invention.
In the figure: 1. a liquid storage tank; 2. a liquid inlet pipe; 3. a first solenoid valve; 4. a liquid discharge pipe; 5. a second solenoid valve; 6. a communicating pipe; 7. a button; 8. a controller; 9. a display screen; 10. connecting blocks; 11. a piston; 12. a first limit ring; 13. a seal ring; 14. a top block; 15. a fixed block; 16. a first contact; 17. a second contact; 18. a movable block; 19. a second stop collar; 20. a power line; 21. a buzzer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides a photovoltaic silicon chip wet cleaning technology acid etching additive fluid infusion device, includes reservoir 1, communicating pipe 6, controller 8, first spacing ring 12, second spacing ring 19 and power cord 20, and 1 one side inner wall of reservoir is provided with communicating pipe 6, and the gas pocket has been seted up to 6 upper end outer walls of communicating pipe, and 6 upper ends of communicating pipe are higher than 1 opening part height of reservoir, and are connected with 1 inner wall of reservoir through connecting block 10 of symmetric distribution communicating pipe 6 outer wall. The inner wall of the lower end of the communicating pipe 6 is provided with a first limiting ring 12, a piston 11 is arranged above the first limiting ring 12, the first limiting ring 12 can limit the piston 11, a certain space is reserved below the piston 11, when the liquid level of the acidic liquid in the liquid storage tank 1 rises, a certain amount of air is reserved at the bottom end inside the communicating pipe 6, the acidic liquid is prevented from directly contacting the piston 11, and the problem of corrosion of the piston 11 is reduced. The liquid level of the acidic liquid in the liquid storage tank 1 rises, the acidic liquid rises in the communicating pipe 6 by utilizing the principle of a communicating vessel, so that the air at the bottom of the communicating pipe 6 rises together with the piston 11, when the piston 11 rises above the communicating pipe 6, the top block 14 is in contact with the lower surface of the movable block 18 and drives the movable block 18 to rise, so that the second contact 17 is in contact with the first contact 16, a control circuit of the controller 8 is connected, the buzzer 21 starts to work to remind workers that the addition of the acidic liquid is completed, the first electromagnetic valve 3 needs to be closed in time, and the liquid adding is stopped, so that the acidic liquid is not in contact with the piston 11 and the movable block 18 in the process, the corrosion of the acidic liquid to the piston 11 and the movable block 18, the first contact 16 and the second contact 17 is reduced, and the normal use and the service life in the actual production.
The top block 14 is installed on the upper surface of the piston 11, the diameter of the outer wall of the top block 14 is smaller than that of the inner wall of the second limiting ring 19, the top block 14 can penetrate through the second limiting ring 19 to be in contact with the lower surface of the movable block 18, so that the movable block 18 is jacked upwards through the top block 14 when the piston 11 rises, and the second contact 17 is in contact with the first contact 16. The sealing ring 13 is installed in the outer wall of the piston 11 in an embedded mode, the sealing ring 13 can effectively guarantee the sealing performance of the piston 11 and the inner wall of the communicating pipe 6, the cross section of the sealing ring 13 is circular, the contact surface of the sealing ring 13 and the inner wall of the communicating pipe 6 is smaller, and the piston 11 can be guaranteed to move flexibly.
The inner wall of the upper end of the communicating pipe 6 is provided with a second limiting ring 19, a movable block 18 is arranged above the second limiting ring 19, the second limiting ring 19 can limit the movable block 18, the phenomenon that the distance between the movable block 18 and the fixed block 15 is too large is avoided, redundant strokes are increased, the upper surface of the movable block 18 is provided with a second contact 17, the fixed block 15 is arranged on the inner wall of the top end of the communicating pipe 6, the lower surface of the fixed block 15 is fixedly provided with a first contact 16, and the first contact 16 and the second contact 17 are electrically connected with the controller 8 through a power line 20. The buzzer 21 is arranged on the surface of the upper end of the communicating pipe 6, the buzzer 21 is electrically connected with the controller 8, the buzzer 21 is of an HRB-P80 type, the buzzer 21 of the type has the advantages of small volume and capability of stroboscopic light, the practical use is more striking, and the requirement of the practical use can be met. After the first contact 16 and the second contact 17 are contacted, a signal is transmitted to the controller 8 through the power line 20, the controller 8 can control the first electromagnetic valve 3 to be closed, the acidic liquid is stopped from being injected into the liquid storage tank 1, and the phenomenon that the acidic liquid is added too much to overflow the liquid storage tank 1 is avoided.
The controller 8 is installed on the outer wall of one side of the liquid storage tank 1, the controller 8 is of a YBD-004 type, the controller 8 of the type can perform rapid signal feedback, and can be convenient for workers to control the working states of the first electromagnetic valve 3 and the second electromagnetic valve 5, the display screen 9 and the button 7 are installed on the outer wall of one side of the controller 8, which is far away from the liquid storage tank 1, in an embedded manner, the button 7 is positioned below the display screen 9, the workers can perform manual intervention through the button 7 and the display screen 9, the flexibility of actual operation is improved, the liquid inlet pipe 2 is inserted into the upper end of the outer wall of one side of the liquid storage tank 1, which is far away from the controller 8, the lower end of the liquid inlet pipe 2 is positioned at the bottom end of the inner wall of the liquid storage tank 1, when acid liquid is added into the liquid storage tank 1 through the liquid inlet pipe 2, liquid can be preferentially injected, the first electromagnetic valve 3 and the second electromagnetic valve 5 are respectively arranged in the liquid inlet pipe 2 and the liquid outlet pipe 4, the first electromagnetic valve 3 and the second electromagnetic valve 5 are electrically connected with the controller 8 through a power cord 20, the first electromagnetic valve 3 and the second electromagnetic valve 5 are both 2W160-15 type, the first electromagnetic valve 3 and the second electromagnetic valve 5 have the advantages of excellent performance and long service life, and can meet the requirement of actual use, the first electromagnetic valve 3, the second electromagnetic valve 5, the controller 8 and the buzzer 21 can be directly purchased on the market by technical personnel of the type search, technical specifications can be directly read to know when the equipment of the type needs to know, therefore, the equipment is not repeated, the controller 8 can flexibly control the on-off state of the first electromagnetic valve 3 and the second electromagnetic valve 5, thereby controlling the on-off state of the liquid inlet pipe 2 and the liquid outlet pipe 4, so that the staff can control the liquid feeding and the liquid discharging.
The working principle is as follows: the liquid level of the acidic liquid in the liquid storage tank 1 rises, the acidic liquid rises in the communicating pipe 6 by utilizing the principle of a communicating vessel, so that the air at the bottom of the communicating pipe 6 rises together with the piston 11, the first limiting ring 12 can limit the piston 11, meanwhile, a certain space is reserved below the piston 11, a certain amount of air is reserved at the bottom end in the communicating pipe 6 when the liquid level of the acidic liquid in the liquid storage tank 1 rises, the acidic liquid is prevented from being directly contacted with the piston 11, the corrosion problem of the piston 11 is reduced, when the piston 11 rises to the upper part of the communicating pipe 6, the top block 14 is contacted with the lower surface of the movable block 18 and drives the movable block 18 to rise, so that the second contact 17 is contacted with the first contact 16, the control circuit of the controller 8 is connected, the buzzer 21 starts to work to remind workers of adding the acidic liquid, the first electromagnetic valve 3 needs to be closed in time, in the process, the acidic liquid is not in contact with the piston 11 and the movable block 18, so that the corrosion of the acidic liquid to the piston 11 and the movable block 18, the first contact 16 and the second contact 17 is reduced, and the normal use and the service life in the actual production are effectively guaranteed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 (7)
1. The utility model provides a photovoltaic silicon chip wet cleaning technology acid etching additive fluid infusion device, includes reservoir (1), communicating pipe (6), controller (8), first spacing ring (12), second spacing ring (19) and power cord (20), its characterized in that: reservoir (1) one side inner wall is provided with communicating pipe (6), communicating pipe (6) lower extreme inner wall is provided with first spacing ring (12), first spacing ring (12) top is provided with piston (11), sealing washer (13) are installed in piston (11) outer wall embedding, communicating pipe (6) upper end inner wall is provided with second spacing ring (19), second spacing ring (19) top is provided with movable block (18), surface mounting has second contact (17) on movable block (18), fixed block (15) are installed to communicating pipe (6) top inner wall, fixed block (15) lower fixed surface has first contact (16), controller (8) are installed to reservoir (1) one side outer wall.
2. The acid etching additive solution supplementing device for the photovoltaic silicon wafer wet cleaning process according to claim 1, which is characterized in that: reservoir (1) deviates from controller (8) one side outer wall upper end and pegs graft and have feed liquor pipe (2), feed liquor pipe (2) lower extreme is located reservoir (1) inner wall bottom, and reservoir (1) deviates from controller (8) one side outer wall bottom and pegs graft and have fluid-discharge tube (4), feed liquor pipe (2) and fluid-discharge tube (4) internally mounted have first solenoid valve (3) and second solenoid valve (5) respectively, first solenoid valve (3) and second solenoid valve (5) are connected with controller (8) electricity through power cord (20).
3. The acid etching additive solution supplementing device for the photovoltaic silicon wafer wet cleaning process according to claim 1, which is characterized in that: the controller (8) deviates from the outer wall of one side of the liquid storage tank (1) and is embedded with a display screen (9) and a button (7), and the button (7) is positioned below the display screen (9).
4. The acid etching additive solution supplementing device for the photovoltaic silicon wafer wet cleaning process according to claim 1, which is characterized in that: and a buzzer (21) is arranged on the upper end surface of the communication pipe (6), and the buzzer (21) is electrically connected with the controller (8).
5. The acid etching additive solution supplementing device for the photovoltaic silicon wafer wet cleaning process according to claim 1, which is characterized in that: the first contact (16) and the second contact (17) are electrically connected with the controller (8) through a power line (20).
6. The acid etching additive solution supplementing device for the photovoltaic silicon wafer wet cleaning process according to claim 1, which is characterized in that: the upper end of the communicating pipe (6) is higher than the opening of the liquid storage tank (1), and the outer wall of the communicating pipe (6) is connected with the inner wall of the liquid storage tank (1) through symmetrically distributed connecting blocks (10).
7. The acid etching additive solution supplementing device for the photovoltaic silicon wafer wet cleaning process according to claim 1, which is characterized in that: the upper surface of the piston (11) is provided with a top block (14), and the diameter of the outer wall of the top block (14) is smaller than that of the inner wall of the second limiting ring (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920661440.XU CN209843736U (en) | 2019-05-09 | 2019-05-09 | Acid etching additive liquid supplementing device for photovoltaic silicon wafer wet cleaning process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920661440.XU CN209843736U (en) | 2019-05-09 | 2019-05-09 | Acid etching additive liquid supplementing device for photovoltaic silicon wafer wet cleaning process |
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| CN209843736U true CN209843736U (en) | 2019-12-24 |
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| CN201920661440.XU Active CN209843736U (en) | 2019-05-09 | 2019-05-09 | Acid etching additive liquid supplementing device for photovoltaic silicon wafer wet cleaning process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737188A (en) * | 2022-03-01 | 2022-07-12 | 李洋 | Polishing production system |
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2019
- 2019-05-09 CN CN201920661440.XU patent/CN209843736U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737188A (en) * | 2022-03-01 | 2022-07-12 | 李洋 | Polishing production system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 312000 workshop 13-1, building 8, No. 22, Sanjiang East Road, Doumen street, Shaoxing City, Zhejiang Province Patentee after: Shaoxing Tuobang new energy Co.,Ltd. Address before: 312353 room b432, No. 66-9, Jiaoyu Road, Paojiang, Shaoxing, Zhejiang Patentee before: SHAOXING TUOBANG ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |