CN115566980B - Fixed adjustable photovoltaic support - Google Patents
Fixed adjustable photovoltaic support Download PDFInfo
- Publication number
- CN115566980B CN115566980B CN202211111114.4A CN202211111114A CN115566980B CN 115566980 B CN115566980 B CN 115566980B CN 202211111114 A CN202211111114 A CN 202211111114A CN 115566980 B CN115566980 B CN 115566980B
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- plate
- fixedly connected
- photovoltaic
- block
- extrusion block
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- 238000001125 extrusion Methods 0.000 claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000035939 shock Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- 238000010248 power generation Methods 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000005457 optimization Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a fixed adjustable photovoltaic bracket which comprises a bottom plate, wherein a connecting block is fixedly connected to the right side of the bottom plate, a supporting plate is movably connected to the surface of the connecting block through a pin shaft, a photovoltaic plate is arranged at the top of the supporting plate, a vertical plate is fixedly connected to the left side and the right side of the top of the bottom plate, a transmission motor is fixedly connected to the left side of the vertical plate, a screw is fixedly connected to the output end of the transmission motor, and a squeezing block is connected to the surface thread of the screw. According to the photovoltaic support, the screw is driven to rotate by the transmission motor, the screw pushes the extrusion block to move by utilizing threads, the extrusion block can extrude the support plate in the moving process, and the support plate swings by taking the pin shaft in the connecting block as the axis, so that the effect of adjusting the inclination angle of the photovoltaic plate at the top of the support plate is achieved, and the problems that the structure of the existing support is single, the inclination angle of the photovoltaic plate is mainly adjusted manually, time and labor are wasted, and the adjustment efficiency of the photovoltaic plate is seriously affected are solved.
Description
Technical Field
The invention relates to the field of photovoltaic bracket operation, in particular to a fixed adjustable photovoltaic bracket.
Background
The photovoltaic power generation system, called photovoltaic for short, is a power generation system which directly converts solar radiation energy into electric energy by utilizing the photovoltaic effect of a photovoltaic cell, is a clean, safe and renewable energy source, and does not pollute the environment and destroy ecology in the photovoltaic power generation process.
Light Fu Banguang can gather the in-process and need bear through the support, but the structure of current support is comparatively single, mainly adjusts the inclination of photovoltaic board through the manual work, wastes time and energy, has seriously influenced the adjustment efficiency of photovoltaic board.
Therefore, the photovoltaic bracket needs to be designed and modified, and the photovoltaic bracket adjusting efficiency is effectively improved.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide the fixed adjustable photovoltaic bracket which has the advantage of automatic adjustment, and solves the problems that the structure of the existing bracket is single, the inclination angle of a photovoltaic plate is mainly adjusted manually, time and labor are wasted, and the adjustment efficiency of the photovoltaic plate is seriously affected.
In order to achieve the above purpose, the present invention provides the following technical solutions: a fixed adjustable photovoltaic bracket comprising a base plate;
the right side fixedly connected with connecting block of bottom plate, the surface of connecting block is through round pin axle swing joint has the backup pad, the top of backup pad is provided with the photovoltaic board, the equal fixedly connected with riser in left side and the right side at bottom plate top, the left side fixedly connected with driving motor of riser, driving motor's output fixedly connected with screw rod, the surface threaded connection of screw rod has the extrusion piece, the extrusion piece is located the bottom of backup pad.
As preferable in the invention, the top of the extrusion block is movably connected with a roller through a pin shaft, and the outer surface of the roller is contacted with the bottom of the supporting plate.
As the preferable mode of the invention, the left side and the right side of the extrusion block are respectively provided with the corrugated pipe sleeved on the surface of the screw rod, and one side of the corrugated pipe away from the extrusion block is fixedly connected with the inner side of the vertical plate.
As the preferable mode of the invention, the front surface and the back surface of the extrusion block are fixedly connected with traction ropes, one side of the traction ropes, which is far away from the extrusion block, is fixedly connected with the bottom of the supporting plate, and the traction ropes have elasticity.
As the preferable one of the invention, the bottom of the bottom plate is provided with a rotating structure, the rotating structure comprises a bearing plate arranged at the bottom of the bottom plate, the bottom of the bottom plate is fixedly connected with a shaft lever, the shaft lever is movably connected with the bearing plate, the surface of the shaft lever is fixedly connected with a gear, the top of the bearing plate is fixedly connected with a cylinder, the output end of the cylinder is fixedly connected with a toothed plate positioned on the front face of the gear, and the toothed plate and the gear are meshed with each other.
As the preferable mode of the invention, the top of the bearing plate is fixedly connected with a positioning frame, the positioning frame is sleeved on the surface of the shaft lever, and the gear is positioned in the positioning frame.
As a preferred mode of the invention, the top of the supporting plate is provided with a structure for fixing the photovoltaic plate, the structure for fixing the photovoltaic plate comprises a bracket fixedly connected to the left side of the supporting plate, the surface of the bracket is movably connected with a fixing frame through a pin shaft, and the bottom of the fixing frame is in contact with the surface of the photovoltaic plate.
As the preferred mode of the invention, the bottom of the fixed frame is fixedly connected with a shock pad, one side of the shock pad away from the fixed frame is contacted with the top of the photovoltaic panel, and the shock pad is made of damping materials.
As the preferable mode of the invention, the front surface of the supporting plate is fixedly connected with a connecting plate, the right side of the connecting plate is provided with a bolt, the left side of the bottom of the fixed frame is fixedly connected with an extension plate, the left end of the bolt penetrates through the connecting plate and contacts with the surface of the extension plate, and the bolt is in threaded connection with the connecting plate.
Preferably, the top of the bottom plate is fixedly connected with a guide bar, and the top of the guide bar extends to the inside of the extrusion block and is in sliding connection with the extrusion block.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the photovoltaic support, the screw is driven to rotate by the transmission motor, the screw pushes the extrusion block to move by utilizing threads, the extrusion block can extrude the support plate in the moving process, and the support plate swings by taking the pin shaft in the connecting block as the axis, so that the effect of adjusting the inclination angle of the photovoltaic plate at the top of the support plate is achieved, and the problems that the structure of the existing support is single, the inclination angle of the photovoltaic plate is mainly adjusted manually, time and labor are wasted, and the adjustment efficiency of the photovoltaic plate is seriously affected are solved.
2. According to the invention, the roller is arranged, so that the extrusion block can be protected, and the abrasion generated when the extrusion block and the supporting plate are in contact friction is reduced.
3. According to the invention, the corrugated pipe is arranged, so that the screw can be protected, the contact area between the screw and the external environment is reduced, and the screw is prevented from being corroded by the environment.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic front view in section of a partial structure of the present invention;
FIG. 3 is a schematic perspective view of a partial structure of the present invention;
FIG. 4 is a schematic top view of a partial structure of the present invention;
FIG. 5 is a schematic perspective view of the structure of the extrusion block of the present invention;
fig. 6 is an enlarged schematic view of the structure of fig. 1 a according to the present invention.
In the figure: 1. a bottom plate; 2. a connecting block; 3. a support plate; 4. a photovoltaic panel; 5. a vertical plate; 6. a drive motor; 7. a screw; 8. extruding a block; 9. a roller; 10. a bellows; 11. a traction rope; 12. a carrying plate; 13. a shaft lever; 14. a gear; 15. a cylinder; 16. a toothed plate; 17. a positioning frame; 18. a bracket; 19. a fixed frame; 20. a shock pad; 21. a connecting plate; 22. a bolt; 23. an extension plate; 24. and a guide bar.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 6, the fixed adjustable photovoltaic bracket provided by the invention comprises a bottom plate 1;
the right side fixedly connected with connecting block 2 of bottom plate 1, the surface of connecting block 2 is through round pin axle swing joint has backup pad 3, and the top of backup pad 3 is provided with photovoltaic board 4, and the equal fixedly connected with riser 5 in the left side and the right side at bottom plate 1 top, the left side fixedly connected with driving motor 6 of riser 5, driving motor 6's output fixedly connected with screw rod 7, screw rod 7's surface threaded connection has extrusion piece 8, and extrusion piece 8 is located the bottom of backup pad 3.
Referring to fig. 5, the top of the extrusion block 8 is movably connected with a roller 9 through a pin, and the outer surface of the roller 9 is in contact with the bottom of the support plate 3.
As a technical optimization scheme of the invention, the extrusion block 8 can be protected by arranging the roller 9, so that abrasion generated when the extrusion block 8 contacts and rubs with the supporting plate 3 is reduced.
Referring to fig. 1, bellows 10 sleeved on the surface of the screw 7 are arranged on the left side and the right side of the extrusion block 8, and one side, away from the extrusion block 8, of the bellows 10 is fixedly connected with the inner side of the vertical plate 5.
As a technical optimization scheme of the invention, the screw 7 can be protected by arranging the corrugated pipe 10, so that the contact area between the screw 7 and the external environment is reduced, and the screw 7 is prevented from being corroded by the environment.
Referring to fig. 1, both the front and the back of the extrusion block 8 are fixedly connected with a traction rope 11, one side of the traction rope 11 away from the extrusion block 8 is fixedly connected with the bottom of the support plate 3, and the traction rope 11 has elasticity.
As a technical optimization scheme of the invention, the supporting plate 3 can be supported by arranging the traction rope 11, so that the supporting plate 3 is kept in contact with the extrusion block 8, and the phenomenon of excessive swing of the supporting plate 3 is avoided.
Referring to fig. 1, a rotary structure is arranged at the bottom of a bottom plate 1, the rotary structure comprises a bearing plate 12 arranged at the bottom of the bottom plate 1, a shaft lever 13 is fixedly connected to the bottom of the bottom plate 1, the shaft lever 13 is movably connected with the bearing plate 12, a gear 14 is fixedly connected to the surface of the shaft lever 13, an air cylinder 15 is fixedly connected to the top of the bearing plate 12, a toothed plate 16 positioned on the front face of the gear 14 is fixedly connected to the output end of the air cylinder 15, and the toothed plate 16 and the gear 14 are meshed with each other.
As a technical optimization scheme of the invention, the bottom plate 1 can have a rotation adjusting effect by arranging the bearing plate 12, the shaft rod 13, the gear 14, the air cylinder 15 and the toothed plate 16, and the adjusting range of the photovoltaic panel 4 can be further improved.
Referring to fig. 1, a positioning frame 17 is fixedly connected to the top of the bearing plate 12, the positioning frame 17 is sleeved on the surface of the shaft lever 13, and the gear 14 is located inside the positioning frame 17.
As a technical optimization scheme of the invention, the positioning frame 17 is arranged, so that the shaft rod 13 can be supported, and the connection stability of the shaft rod 13 and the bearing plate 12 is improved.
Referring to fig. 6, the top of the support plate 3 is provided with a structure for fixing the photovoltaic panel 4, the structure for fixing the photovoltaic panel 4 includes a bracket 18 fixedly connected to the left side of the support plate 3, the surface of the bracket 18 is movably connected with a fixing frame 19 through a pin, and the bottom of the fixing frame 19 is in contact with the surface of the photovoltaic panel 4.
As a technical optimization scheme of the invention, the photovoltaic panel 4 can be fixed by arranging the bracket 18 and the fixing frame 19, so that the fixing effect of the photovoltaic panel 4 and the supporting plate 3 is improved.
Referring to fig. 6, a shock pad 20 is fixedly connected to the bottom of the fixed frame 19, one side of the shock pad 20 away from the fixed frame 19 contacts with the top of the photovoltaic panel 4, and the shock pad 20 is made of damping material.
As a technical optimization scheme of the present invention, the photovoltaic panel 4 can be protected by providing the shock pad 20, so that the photovoltaic panel 4 is prevented from being damaged by excessive extrusion.
Referring to fig. 6, the front surface of the support plate 3 is fixedly connected with a connection plate 21, a bolt 22 is provided on the right side of the connection plate 21, an extension plate 23 is fixedly connected to the left side of the bottom of the fixing frame 19, the left end of the bolt 22 penetrates through the connection plate 21 and contacts the surface of the extension plate 23, and the bolt 22 is in threaded connection with the connection plate 21.
As a technical optimization scheme of the invention, the fixing frame 19 can be conveniently positioned by a user through arranging the connecting plate 21, the bolts 22 and the extension plates 23, and the phenomenon of loosening of the fixing frame 19 is prevented.
Referring to fig. 1, a guide bar 24 is fixedly connected to the top of the base plate 1, and the top of the guide bar 24 extends to the inside of the pressing block 8 and is slidably connected to the pressing block 8.
As a technical optimization scheme of the invention, the extrusion block 8 can be guided by arranging the guide strip 24, so that the phenomenon that the extrusion block 8 inclines in the moving process is prevented.
The working principle and the using flow of the invention are as follows: when the photovoltaic device is used, the photovoltaic panel 4 is moved to the top of the supporting plate 3, then the bolt 22 is rotated, the screw 7 extrudes the extension plate 23 in the moving process, the extension plate 23 drives the extrusion frame to rotate by taking the pin shaft in the support 18 as the axis, when the extrusion frame moves to the top of the photovoltaic panel 4 and the shock pad 20 contacts with the photovoltaic panel 4, the effect of extrusion fixation of the photovoltaic panel 4 is achieved, when the angle of the supporting plate 3 needs to be regulated, the transmission motor 6 is firstly opened, the transmission motor 6 drives the screw 7 to rotate, the screw 7 pushes the extrusion block 8 to move by utilizing the threads, the extrusion block 8 can extrude the supporting plate 3 in the moving process, the supporting plate 3 swings by taking the pin shaft in the connecting block 2 as the axis and is pulled by the traction rope 11, so that the extrusion block 8 can keep contact, meanwhile, an operator can also open the cylinder 15, the cylinder 15 drives the toothed plate 16 to move by pushing the shaft 13 through the gear 14, and the shaft 13 drives the bottom plate 1 to synchronously rotate, so that the effect of regulating the orientation of the photovoltaic panel 4 is achieved.
To sum up: this fixed adjustable photovoltaic support drives screw rod 7 rotation through driving motor 6, and screw rod 7 utilizes the screw thread to promote extrusion piece 8 to remove, and extrusion piece 8 can extrude backup pad 3 at the removal in-process, and backup pad 3 uses the inside round pin axle of connecting block 2 to swing as the axle center to reach the effect of adjusting the inclination of backup pad 3 top photovoltaic board 4, solved the structure of current support comparatively singlely, mainly adjust the inclination of photovoltaic board through the manual work, waste time and energy, seriously influenced the problem of the adjustment efficiency of photovoltaic board.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A fixed adjustable photovoltaic bracket, characterized in that: the photovoltaic power generation device comprises a bottom plate (1), wherein a connecting block (2) is fixedly connected to the right side of the bottom plate (1), a supporting plate (3) is movably connected to the surface of the connecting block (2) through a pin shaft, a photovoltaic plate (4) is arranged at the top of the supporting plate (3), a vertical plate (5) is fixedly connected to the left side and the right side of the top of the bottom plate (1), a transmission motor (6) is fixedly connected to the left side of the vertical plate (5), a screw (7) is fixedly connected to the output end of the transmission motor (6), an extrusion block (8) is connected to the surface of the screw (7) through threads, and the extrusion block (8) is located at the bottom of the supporting plate (3); the top of the extrusion block (8) is movably connected with a roller (9) through a pin shaft, and the outer surface of the roller (9) is contacted with the bottom of the supporting plate (3); the left side and the right side of the extrusion block (8) are respectively provided with a corrugated pipe (10) sleeved on the surface of the screw (7), and one side, far away from the extrusion block (8), of the corrugated pipe (10) is fixedly connected with the inner side of the vertical plate (5); the front and the back of the extrusion block (8) are fixedly connected with traction ropes (11), one side, far away from the extrusion block (8), of each traction rope (11) is fixedly connected with the bottom of the supporting plate (3), and each traction rope (11) has elasticity; the bottom of the bottom plate (1) is provided with a rotating structure, the rotating structure comprises a bearing plate (12) arranged at the bottom of the bottom plate (1), the bottom of the bottom plate (1) is fixedly connected with a shaft lever (13), the shaft lever (13) is movably connected with the bearing plate (12), the surface of the shaft lever (13) is fixedly connected with a gear (14), the top of the bearing plate (12) is fixedly connected with an air cylinder (15), the output end of the air cylinder (15) is fixedly connected with a toothed plate (16) positioned on the front face of the gear (14), and the toothed plate (16) and the gear (14) are meshed with each other; the top of the bearing plate (12) is fixedly connected with a positioning frame (17), the positioning frame (17) is sleeved on the surface of the shaft lever (13), and the gear (14) is positioned in the positioning frame (17); the top of the supporting plate (3) is provided with a structure for fixing the photovoltaic plate (4), the structure for fixing the photovoltaic plate (4) comprises a bracket (18) fixedly connected to the left side of the supporting plate (3), the surface of the bracket (18) is movably connected with a fixing frame (19) through a pin shaft, and the bottom of the fixing frame (19) is in contact with the surface of the photovoltaic plate (4); the front fixedly connected with connecting plate (21) of backup pad (3), the right side of connecting plate (21) is provided with bolt (22), the left side fixedly connected with extension board (23) of fixed frame (19) bottom, the left end of bolt (22) runs through connecting plate (21) and with the surface contact of extension board (23), bolt (22) and connecting plate (21) threaded connection.
2. A fixed adjustable photovoltaic bracket according to claim 1, wherein: the bottom fixedly connected with shock pad (20) of fixed frame (19), one side that fixed frame (19) were kept away from to shock pad (20) is contacted with the top of photovoltaic board (4), the material of shock pad (20) is damping material.
3. A fixed adjustable photovoltaic bracket according to claim 2, wherein: the top of bottom plate (1) fixedly connected with gib block (24), gib block (8) and sliding connection are extended to the inside of extrusion piece (8) at the top of gib block (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211111114.4A CN115566980B (en) | 2022-09-13 | 2022-09-13 | Fixed adjustable photovoltaic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211111114.4A CN115566980B (en) | 2022-09-13 | 2022-09-13 | Fixed adjustable photovoltaic support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115566980A CN115566980A (en) | 2023-01-03 |
| CN115566980B true CN115566980B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211111114.4A Active CN115566980B (en) | 2022-09-13 | 2022-09-13 | Fixed adjustable photovoltaic support |
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| Country | Link |
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| CN (1) | CN115566980B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216248933U (en) * | 2021-09-24 | 2022-04-08 | 李风驰 | Rotary tracking linkage type photovoltaic power generation device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210927540U (en) * | 2019-12-28 | 2020-07-03 | 苏州龙马新能源有限责任公司 | Height-adjustable solar photovoltaic panel |
| CN211830669U (en) * | 2020-05-12 | 2020-10-30 | 江苏雷风新能源有限公司 | Novel solar photovoltaic module device |
| CN213094122U (en) * | 2020-09-12 | 2021-04-30 | 扬中市永丰能源设备有限公司 | Intelligent photovoltaic support with adjustable it is rotatory |
| CN214961417U (en) * | 2021-06-28 | 2021-12-03 | 李颖 | Photovoltaic green house |
| CN215990651U (en) * | 2021-07-15 | 2022-03-08 | 天津中恒源科技发展有限公司 | Adjustable inclination improves generating efficiency's photovoltaic power generation support |
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2022
- 2022-09-13 CN CN202211111114.4A patent/CN115566980B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216248933U (en) * | 2021-09-24 | 2022-04-08 | 李风驰 | Rotary tracking linkage type photovoltaic power generation device |
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| CN115566980A (en) | 2023-01-03 |
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