CN218450014U - Solar panel cleaning device for photovoltaic power generation - Google Patents
Solar panel cleaning device for photovoltaic power generation Download PDFInfo
- Publication number
- CN218450014U CN218450014U CN202222387732.3U CN202222387732U CN218450014U CN 218450014 U CN218450014 U CN 218450014U CN 202222387732 U CN202222387732 U CN 202222387732U CN 218450014 U CN218450014 U CN 218450014U
- Authority
- CN
- China
- Prior art keywords
- solar panel
- fixedly connected
- power generation
- photovoltaic power
- cleaning device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 47
- 238000010248 power generation Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000007921 spray Substances 0.000 claims abstract description 19
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 238000005728 strengthening Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
-
- 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)
- Cleaning In General (AREA)
Abstract
The utility model relates to a photovoltaic power generation technical field just discloses a solar panel cleaning device for photovoltaic power generation, include solar panel and fix the support frame at the solar panel lower surface, the positive fixedly connected with fixed plate of solar panel, the equal fixedly connected with backup pad in the left and right sides of fixed plate upper surface, two sets of slide bars of backup pad medial surface fixedly connected with, slide bar surface slidable cover is equipped with the removal seat. This solar panel cleaning device for photovoltaic power generation uses through the brush, removes seat, spray pipe and water tank cooperation for water in the water tank spouts at solar panel's upper surface through the shower nozzle on the spray pipe, removes the seat and drives fixed box and clean piece and remove about, and the brush is scrubbed the cleanness to solar panel, thereby has realized the device to solar panel's self-cleaning, has improved the device's degree of automation, has alleviateed staff's intensity of labour.
Description
Technical Field
The utility model relates to a photovoltaic power generation technical field specifically is a solar panel cleaning device for photovoltaic power generation.
Background
In various new energy sources adopted in China, solar energy is widely applied and has good development space and prospects, but in some photovoltaic projects, the influence of dust accumulation on the surface of a photovoltaic panel is often ignored, and as a result, a layer of dust is accumulated on the surface of the photovoltaic panel, so that the light transmittance is greatly reduced, the photovoltaic power generation efficiency is reduced, meanwhile, the dust can corrode the solar panel body, the power generation efficiency is reduced, the service life of the solar panel body is also shortened, and the solar panel is required to be cleaned regularly; when the solar panel is generally cleaned, a manual cleaning machine or a vehicle-mounted movable cleaning machine is used, water is sprayed on the solar panel, and then the solar panel is scrubbed through a brush or a sponge block; the automatic degree of the existing solar panel cleaning device is low, the solar panel is difficult to be automatically cleaned, and the labor intensity of workers is high.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a solar panel cleaning device for photovoltaic power generation has solved the problem of proposing in the above-mentioned background art.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a solar panel cleaning device for photovoltaic power generation, includes solar panel and fixes the support frame at the solar panel lower surface, the positive fixedly connected with fixed plate of solar panel, the equal fixedly connected with backup pad in the left and right sides of fixed plate upper surface, two sets of slide bars of backup pad medial surface fixedly connected with, slide bar surface slidable cover is equipped with removes the seat, it is connected with the gear to remove the seat inner wall through cartridge axis of rotation horizontal rotation, fixed surface is connected with and gear engagement's rack on the fixed plate, remove the seat and openly install first motor, the output and the axis of rotation fixed connection of first motor, remove the fixed box of seat back fixedly connected with, fixed box inner wall sliding connection has clean piece, fixed box lower surface fixedly connected with brush, the front side inner wall fixedly connected with two sets of springs of fixed box, the rear end of spring and the positive fixed connection of clean piece, clean piece upper surface rear side fixedly connected with sliding pin, fixed box upper surface sets up the sliding tray that can supply the sliding pin to remove, fixed box back mounted has the second motor, the output fixedly connected with of second motor, the dwang surface fixed surface has the cam, the support frame back fixedly connected with water tank, the water spray pipe intercommunication of water pump output end, water pump head and water pump output end intercommunication there is the water pump top.
Preferably, the outer side surface of the supporting plate is fixedly connected with two groups of reinforcing ribs, and the lower surfaces of the reinforcing ribs are fixedly connected with the upper surface of the fixing plate.
Preferably, the front surface and the back surface of the moving seat are both provided with ball bearings, and the moving seat is rotatably connected with the rotating shaft through the ball bearings.
Preferably, the outer surface of the sliding rod is slidably sleeved with two groups of stabilizing lantern rings, and the inner side surfaces of the stabilizing lantern rings are fixedly connected with the outer surface of the moving seat.
Preferably, the outer surface of the rotating rod is fixedly connected with a connecting key, and the inner wall of the cam is provided with a key groove matched with the connecting key.
Preferably, the fixed box left side inner wall and the equal fixedly connected with rectangle draw runner of right side inner wall, the rectangle spout with rectangle draw runner looks adaptation is seted up to the cleaning block surface.
(III) advantageous effects
Compared with the prior art, the utility model provides a solar panel cleaning device for photovoltaic power generation possesses following beneficial effect:
1. this solar panel cleaning device for photovoltaic power generation uses through the brush, removes seat, spray pipe and water tank cooperation for water in the water tank spouts at solar panel's upper surface through the shower nozzle on the spray pipe, removes the seat and drives fixed box and clean piece and remove about, and the brush is scrubbed the cleanness to solar panel, thereby has realized the device to solar panel's self-cleaning, has improved the device's degree of automation, has alleviateed staff's intensity of labour.
2. This solar panel cleaning device for photovoltaic power generation, through fixed box, clean piece, brush, spring and cam cooperation use for the second motor output drives dwang and cam rotation, and the cam is through driving clean piece and brush reciprocating motion all around with spring and sliding pin cooperation, and the brush is scrubbed the dirt of solar panel upper surface, thereby has further reduced the probability of solar panel upper surface residual dirt, has improved the device and to solar panel's cleaning quality, has improved solar panel's photic effect.
3. This solar panel cleaning device for photovoltaic power generation uses through fixed plate, backup pad, slide bar, removal seat, axis of rotation, rack and gear cooperation for the output of first motor passes through the axis of rotation and drives gear revolve, and the gear passes through the rack drive and removes the seat and control on the fixed plate, and the slide bar has played the effect of stabilizing its movement track to removing the seat, thereby has further strengthened the stability of removing the seat motion.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the back structure of the present invention;
FIG. 3 is a schematic view of a partial structure of the present invention;
fig. 4 is a schematic view showing the structure of the present invention.
In the figure: 1. a solar panel; 2. a support frame; 3. a fixing plate; 4. a support plate; 5. a slide bar; 6. A movable seat; 7. a rotating shaft; 8. a rack; 9. a first motor; 10. a fixing box; 1001. a sliding groove; 11. a cleaning block; 12. a brush; 13. a spring; 14. a slide pin; 15. a second motor; 16. rotating the rod; 17. a cam; 18. a water tank; 19. a water pump; 20. a communicating pipe; 21. a water spray pipe; 22. a spray head; 23. a gear.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a solar panel cleaning device for photovoltaic power generation comprises a solar panel 1 and a support frame 2 fixed on the lower surface of the solar panel 1, wherein the front surface of the solar panel 1 is fixedly connected with a fixed plate 3, the left side and the right side of the upper surface of the fixed plate 3 are fixedly connected with support plates 4, the inner side surface of each support plate 4 is fixedly connected with two groups of sliding rods 5, the outer surface of each sliding rod 5 is slidably sleeved with a movable seat 6, the inner wall of each movable seat 6 is horizontally and rotatably connected with a gear 23 through an inserted rotating shaft 7, the upper surface of the fixed plate 3 is fixedly connected with a rack 8 meshed with the gear 23, the front surface of each movable seat 6 is provided with a first motor 9, the output end of the first motor 9 is fixedly connected with the rotating shaft 7, the back surface of each movable seat 6 is fixedly connected with a fixed box 10, the inner wall of the fixed box 10 is slidably connected with a cleaning block 11, the lower surface of the cleaning block 11 is fixedly connected with a brush 12, and the inner wall of the front side of the fixed box 10 is fixedly connected with two groups of springs 13, the rear end of the spring 13 is fixedly connected with the front surface of the cleaning block 11, the rear side of the upper surface of the cleaning block 11 is fixedly connected with a sliding pin 14, the upper surface of the fixing box 10 is provided with a sliding groove 1001 for the sliding pin 14 to move, the back surface of the fixing box 10 is provided with a second motor 15, the output end of the second motor 15 is fixedly connected with a rotating rod 16, the outer surface of the rotating rod 16 is fixedly sleeved with a cam 17, the back surface of the support frame 2 is fixedly connected with a water tank 18, the upper surface of the water tank 18 is fixedly connected with a water pump 19, the input end of the water pump 19 is communicated with the upper surface of the water tank 18, the output end of the water pump 19 is communicated with a communicating pipe 20, the top end of the communicating pipe 20 is communicated with a spray pipe 21, the outer surface of the spray pipe 21 is communicated with a plurality of groups of spray heads 22, the spray heads 22 on the spray pipe 21 are matched with each other through a brush 12, the moving seat 6, the spray pipe 21 and the water in the water tank 18, so that the water in the water tank 18 is sprayed on the upper surface of the solar panel 1, the movable seat 6 drives the fixed box 10 and the cleaning block 11 to move left and right, the brush 12 cleans the solar panel 1, thereby the automatic cleaning of the device on the solar panel 1 is realized, the automation degree of the device is improved, the labor intensity of workers is reduced, the fixed box 10 is used for cleaning the cleaning block 11, the brush 12 is used by matching the spring 13 with the cam 17, the output end of the second motor 15 drives the rotating rod 16 and the cam 17 to rotate, the cam 17 drives the cleaning block 11 and the brush 12 to reciprocate back and forth by matching with the spring 13 and the sliding pin 14, the brush 12 cleans dirt on the upper surface of the solar panel 1, thereby the probability of residual dirt on the upper surface of the solar panel 1 is further reduced, the cleaning quality of the device on the solar panel 1 is improved, the light receiving effect of the solar panel 1 is improved, the fixed plate 3, the supporting plate 4, the sliding rod 5, the movable seat 6, the rotating shaft 7, the rack 8 and the gear 23 are used by matching, the output end of the first motor 9 drives the gear 23 to rotate through the rotating shaft 7, the movable seat 6 drives the movable seat 6 to move on the fixed plate 3 through the rack 8, and the movement track of the movable seat 6 is further improved, and the stability of the movable seat is further improved.
The utility model discloses in, for the stability that further reinforcing backup pad 4 supported, consequently at two sets of strengthening ribs of 4 lateral surfaces fixedly connected with in the backup pad, the lower surface of strengthening rib is connected with the last fixed surface of fixed plate 3 for the strengthening rib has played the effect of outrigger to backup pad 4, thereby has further strengthened the stability that backup pad 4 supported.
The utility model discloses in, for further reinforcing axis of rotation 7 pivoted stability, consequently all be provided with ball bearing at the removal seat 6 front and the back, remove seat 6 and rotate with axis of rotation 7 through ball bearing and be connected, through setting up ball bearing to axis of rotation 7 pivoted stability has further been strengthened.
The utility model discloses in, for further reinforcing the stability of removing the motion of seat 6, consequently 5 outer surface slidable covers at the slide bar are equipped with two sets of stable lantern rings, the medial surface of the stable lantern ring with remove the outer fixed surface connection of seat 6 for the stable lantern ring has played the effect of stabilizing its movement track to removing seat 6, thereby has further strengthened the stability of removing the motion of seat 6.
The utility model discloses in, for further reinforcing cam 17 pivoted stability, consequently at 16 outer fixed surface connecting keys of dwang, the keyway with connecting key looks adaptation is seted up to cam 17 inner wall, through connecting key and keyway cooperation to cam 17 pivoted stability has further been strengthened.
The utility model discloses in, for the stability of further reinforcing clean piece 11 motion, consequently at the equal fixedly connected with rectangle draw runner of fixed box 10 left side inner wall and right side inner wall, the rectangle spout with rectangle draw runner looks adaptation is seted up to clean 11 surfaces of piece, through rectangle draw runner and rectangle spout cooperation to the stability of clean 11 motions of piece has further been strengthened.
The electrical components in the document are electrically connected with an external master controller and 220V mains supply, and the master controller can be a computer or other conventional known devices for playing a role in control.
When the solar water heater is used, the water pump 19 is started, the water pump 19 pumps out water in the water tank 18, the water enters the water spraying pipe 21 through the communicating pipe 20, the water is sprayed on the upper surface of the solar panel 1 through the spray head 22 on the water spraying pipe 21, the first motor 9 and the second motor 15 are started, the output end of the first motor 9 drives the gear 23 to rotate through the rotating shaft 7, the gear 23 drives the moving seat 6 to move left and right on the fixing plate 3 through the rack 8, meanwhile, the output end of the second motor 15 drives the rotating rod 16 and the cam 17 to rotate, the cam 17 drives the cleaning block 11 and the brush 12 to reciprocate back and forth through matching with the spring 13 and the sliding pin 14, the brush 12 brushes the dirt on the upper surface of the solar panel 1, after cleaning is finished, water is sprayed onto the solar panel 1 through the spray head 22 again, and then sewage on the solar panel is flushed.
In conclusion, this solar panel cleaning device for photovoltaic power generation uses through brush 12, remove seat 6, spray pipe 21 and the cooperation of water tank 18 for the water in the water tank 18 spouts at solar panel 1's upper surface through shower nozzle 22 on the spray pipe 21, removes seat 6 and drives fixed box 10 and cleaning block 11 and remove about, and brush 12 scrubs cleanness to solar panel 1, thereby has realized the device to solar panel 1's self-cleaning, has improved the device's degree of automation, has alleviateed staff's intensity of labour.
This solar panel cleaning device for photovoltaic power generation, through fixed box 10, clean piece 11, brush 12, spring 13 and cam 17 cooperation are used, make 15 outputs of second motor drive dwang 16 and cam 17 rotate, cam 17 is through driving clean piece 11 and brush 12 reciprocating motion around with spring 13 and the cooperation of sliding pin 14, brush 12 is scrubbed the dirt of solar panel 1 upper surface, thereby the probability of the dirt is remained to further reduced solar panel 1 upper surface, the device is to solar panel 1's cleaning quality has been improved, solar panel 1's photic effect has been improved.
This solar panel cleaning device for photovoltaic power generation, through fixed plate 3, backup pad 4, slide bar 5, remove seat 6, axis of rotation 7, rack 8 and the cooperation of gear 23 are used for the output of first motor 9 passes through axis of rotation 7 and drives gear 23 and rotate, gear 23 drives through rack 8 and removes about removal seat 6 on fixed plate 3, slide bar 5 has played the effect of stabilizing its movement track to removing seat 6, thereby has further strengthened the stability of removing 6 movements of seat.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a solar panel cleaning device for photovoltaic power generation, includes solar panel (1) and fixes support frame (2) at solar panel (1) lower surface, its characterized in that: the solar panel (1) is fixedly connected with a fixed plate (3) in the front, the left side and the right side of the upper surface of the fixed plate (3) are fixedly connected with a supporting plate (4), the inner side surface of the supporting plate (4) is fixedly connected with two groups of sliding rods (5), the outer surface of each sliding rod (5) is slidably sleeved with a movable seat (6), the inner wall of each movable seat (6) is horizontally and rotatably connected with a gear (23) through an inserted rotating shaft (7), the upper surface of the fixed plate (3) is fixedly connected with a rack (8) meshed with the gear (23), the movable seat (6) is positively provided with a first motor (9), the output end of the first motor (9) is fixedly connected with the rotating shaft (7), the back surface of the movable seat (6) is fixedly connected with a fixed box (10), the inner wall of the fixed box (10) is slidably connected with a cleaning block (11), the lower surface of the cleaning block (11) is fixedly connected with a brush (12), the front inner wall of the fixed box (10) is fixedly connected with two groups of springs (13), the rear end of the springs (13) is fixedly connected with the front surface of the cleaning block (11), and a sliding pin (14) is provided with a movable pin (14), fixed box (10) back mounted has second motor (15), output fixedly connected with dwang (16) of second motor (15), dwang (16) surface fixed cover has connect cam (17), support frame (2) back fixedly connected with water tank (18), fixed surface is connected with water pump (19) on water tank (18), the input of water pump (19) and the upper surface intercommunication of water tank (18), the output intercommunication of water pump (19) has communicating pipe (20), communicating pipe (20) top intercommunication has spray pipe (21), spray pipe (21) surface intercommunication has multiunit shower nozzle (22).
2. The solar panel cleaning device for photovoltaic power generation according to claim 1, wherein: two sets of strengthening ribs are fixedly connected with the outer side face of the supporting plate (4), and the lower surfaces of the strengthening ribs are fixedly connected with the upper surface of the fixing plate (3).
3. The solar panel cleaning device for photovoltaic power generation according to claim 1, wherein: the front and the back of the moving seat (6) are provided with ball bearings, and the moving seat (6) is rotationally connected with the rotating shaft (7) through the ball bearings.
4. The solar panel cleaning device for photovoltaic power generation according to claim 1, wherein: the outer surface of the sliding rod (5) is slidably sleeved with two groups of stabilizing lantern rings, and the inner side surfaces of the stabilizing lantern rings are fixedly connected with the outer surface of the movable seat (6).
5. The solar panel cleaning device for photovoltaic power generation according to claim 1, wherein: the outer surface of the rotating rod (16) is fixedly connected with a connecting key, and the inner wall of the cam (17) is provided with a key groove matched with the connecting key.
6. The solar panel cleaning device for photovoltaic power generation according to claim 1, wherein: the fixed box (10) left side inner wall and the equal fixedly connected with rectangle draw runner of right side inner wall, the rectangle spout with rectangle draw runner looks adaptation is seted up to clean piece (11) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222387732.3U CN218450014U (en) | 2022-09-06 | 2022-09-06 | Solar panel cleaning device for photovoltaic power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222387732.3U CN218450014U (en) | 2022-09-06 | 2022-09-06 | Solar panel cleaning device for photovoltaic power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218450014U true CN218450014U (en) | 2023-02-03 |
Family
ID=85103953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222387732.3U Expired - Fee Related CN218450014U (en) | 2022-09-06 | 2022-09-06 | Solar panel cleaning device for photovoltaic power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218450014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117563884A (en) * | 2024-01-15 | 2024-02-20 | 南通金蝴蝶节能科技有限公司 | Full-automatic hollow glass gluing device based on rotation |
-
2022
- 2022-09-06 CN CN202222387732.3U patent/CN218450014U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117563884A (en) * | 2024-01-15 | 2024-02-20 | 南通金蝴蝶节能科技有限公司 | Full-automatic hollow glass gluing device based on rotation |
| CN117563884B (en) * | 2024-01-15 | 2024-05-24 | 南通金蝴蝶节能科技有限公司 | Full-automatic hollow glass gluing device based on rotation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211181500U (en) | Outdoor L ED display screen with self-cleaning function | |
| CN209787115U (en) | Green building solar panel energy-saving cleaning system | |
| CN218450014U (en) | Solar panel cleaning device for photovoltaic power generation | |
| CN215543021U (en) | A dust collector for mechanical equipment clearance | |
| CN214186697U (en) | Self-cleaning type glass polishing machine | |
| CN113058888A (en) | Photovoltaic electroplax cleaning device for producing new forms of energy | |
| CN113600567A (en) | Inside dirt scraping device of pipeline for hydraulic and hydroelectric engineering | |
| CN216911208U (en) | Bonding wire processing is with surperficial dirt cleaning device | |
| CN214851119U (en) | Photovoltaic board self-cleaning system | |
| CN108212893B (en) | Intelligent control has cleaning function's solar cell mount device | |
| CN212733479U (en) | Intelligence environmental protection equipment is with cleaning mechanism | |
| CN211707661U (en) | Solar panel cleaning device for photovoltaic power generation | |
| CN210796642U (en) | A rust cleaning device for chemical production equipment | |
| CN218103069U (en) | Semi-automatic cleaning device for solar photovoltaic panel | |
| CN114505309B (en) | Cleaning device for hydraulic element | |
| CN114301384A (en) | Solar photovoltaic power generation set with clean mechanism | |
| CN211822316U (en) | Boiler belt cleaning device is used in thermal power plant | |
| CN210449960U (en) | Device for improving conversion rate of solar panel | |
| CN218743431U (en) | Solar cell panel cleaning device | |
| CN220896633U (en) | Water-saving type cleaning device for photovoltaic module | |
| CN219003847U (en) | Automatic cleaning device based on heavy mechanical equipment part is used | |
| CN213623438U (en) | MBR membrane washs uses device | |
| CN219283658U (en) | Self-cleaning solar panel for seawater solar evaporator | |
| CN221103291U (en) | Automatic cleaning device for photovoltaic power generation plate | |
| CN219227536U (en) | Solar photovoltaic panel convenient to wash |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230203 |