CN212349598U - Solar cell panel belt cleaning device for new forms of energy - Google Patents
Solar cell panel belt cleaning device for new forms of energy Download PDFInfo
- Publication number
- CN212349598U CN212349598U CN202020463422.3U CN202020463422U CN212349598U CN 212349598 U CN212349598 U CN 212349598U CN 202020463422 U CN202020463422 U CN 202020463422U CN 212349598 U CN212349598 U CN 212349598U
- Authority
- CN
- China
- Prior art keywords
- solar cell
- cell panel
- cleaning device
- pipe
- water
- 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.)
- Active
Links
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 By Liquid Or Steam (AREA)
- Cleaning In General (AREA)
Abstract
The utility model belongs to the technical field of solar cell panel washs, especially, solar cell panel belt cleaning device for new forms of energy, including shallow, water storage box, water inlet, positioning mechanism and wiper mechanism, the bottom of water storage box and the top surface fixed connection of shallow left end, the bottom of water inlet and the center department of water storage box top surface intercommunication, the bottom of positioning mechanism and the top surface fixed connection of shallow right-hand member, wiper mechanism's bottom fixed mounting is in the center department of shallow front end top surface. This solar cell panel belt cleaning device for new forms of energy at first can conveniently adjust wiper mechanism's washing angle, and whole belt cleaning device just can adapt to the different solar cell panel of placing the angle like this, and then has accelerated belt cleaning device's cleaning efficiency, then can also wash the spot on the solar cell panel surface fast, has just so improved solar cell panel's cleanliness to solar cell panel's light absorption rate has further been improved.
Description
Technical Field
The utility model relates to a solar cell panel washs technical field, especially relates to a solar cell panel belt cleaning device for new forms of energy.
Background
The solar photovoltaic power plant is a clean energy form popularized in a large area at present, and a battery panel of the solar photovoltaic power plant can effectively generate electricity only by regularly removing floating dust and dirt on the surface.
At present, common solar cell panel cleaning methods are manual washing or self-propelled equipment washing, manual washing work efficiency is low and the cleaning performance is relatively poor, existing solar cell panel is from walking the washing equipment and adopting roller type cleaning structure more, the direction of cleaning on battery plate surface is single under this kind of structure, run into the higher difficult filth of clearing up of viscosity such as bird's droppings, it is clean at one time hardly, cause the accumulation of battery plate surface spot, can corrode the battery plate surface when serious, cause and equip the loss, and then reduced solar cell panel's life.
SUMMERY OF THE UTILITY MODEL
Based on current solar energy electromagnetic plate belt cleaning device cleaning efficiency is poor, be difficult for wasing the spot, reduced solar cell panel's life's technical problem, the utility model provides a solar cell panel belt cleaning device for new forms of energy.
The utility model provides a solar cell panel belt cleaning device for new forms of energy, including shallow, water storage box, water inlet, positioning mechanism and wiper mechanism, the bottom of water storage box and the top surface fixed connection of shallow left end, the bottom of water inlet and the center department of water storage box top surface intercommunication, the bottom of positioning mechanism and the top surface fixed connection of shallow right-hand member, the bottom fixed mounting of wiper mechanism is in the center department of shallow front end top surface.
Preferably, the position adjusting mechanism comprises a lifting cylinder, a supporting groove block, a position stabilizing pipe, an adaptation plate, a positioning support, a position adjusting cylinder and a position adjusting plate, wherein the bottom of the lifting cylinder is fixedly connected with the center of the top surface of the right end of the cart, the bottom of the supporting groove block is fixedly connected with the tail end of a piston rod at the top end of the lifting cylinder, the centers of the front surface and the back surface of the position stabilizing pipe are hinged with the front surface and the back surface of the top end of the supporting groove block through pin shafts, the right end of the adaptation plate is sleeved in an inner cavity at the left end of the position stabilizing pipe, the right end of the positioning support is fixedly connected with the left side surface at the top end of the lifting cylinder, the right side surface at the bottom end of the position adjusting cylinder is fixedly connected with the left end of the piston rod at the top end of the position adjusting cylinder, the front surface at the top end of the position adjusting plate is hinged with the front surface at, lifting cylinder starts just can drive steady position pipe and wiper mechanism while rebound, just so can conveniently adjust wiper mechanism's height, then the control positioning cylinder starts, the positioning cylinder starts just can drive the positioning board rebound, the positioning board rebound just can drive the left end simultaneous rebound of adaptation board and steady position pipe, at this moment the right-hand member of steady position pipe and wiper mechanism's right-hand member will rebound simultaneously, just so can the washing angle of positioning washing structure, thereby convenient and solar cell panel place the angle and cooperate, so as to accelerate the cleaning efficiency who washs the structure.
Preferably, the cleaning mechanism comprises a water delivery pillar, a sealing bearing, a water delivery pipe, a transmission gear, a water discharge box, bristles, a spray head, a speed reduction motor, a driving gear, a water pump, a water pumping pipe and a water discharge pipe, wherein the left end of the water delivery pillar is fixedly connected with the right end of the stabilizing pipe, the outer ring surface of the sealing bearing is sleeved on the inner wall of the right end of the water delivery pillar, the left end of the water delivery pipe is sleeved in an inner cavity of an inner ring of the sealing bearing, the inner wall of the transmission gear is sleeved on the outer surface of the center of the water delivery pipe, the center of the left side surface of the water discharge box is communicated with the right end of the water delivery pipe, the left ends of the bristles are embedded at the top and the bottom of the right side surface of the water discharge box, the left end of the spray head is embedded at the center of the right side surface of the water discharge box, the rear end of, the bottom of water pump and the center department fixed connection of shallow front end top surface, the both ends of drinking-water pipe communicate with the positive bottom of water storage box and the mouth that draws water of water pump left end respectively, the bottom and the top of drain pipe communicate with the bottom surface of the outlet of water pump right-hand member and water delivery pillar right-hand member respectively, use just can accomplish the cleaning to solar cell panel fast through the cooperation of gear motor and water pump, and with regard to very big degree like this has reduced staff's labor intensity.
Preferably, the surface of adaptation board right-hand member and the inner wall sliding connection of steady position pipe left end, the inclination that wiper mechanism can conveniently be adjusted to the connected mode of adaptation board and steady position pipe just so impel belt cleaning device to adapt to the washing of different angle of placing solar cell panel.
Preferably, the drain pipe is a hose, the length of the drain pipe is longer than the farthest distance for moving the right end of the water delivery support, and the drain pipe can adapt to the moving range of the position stabilizing pipe, so that the service life of the drain pipe is prolonged.
Preferably, the bristles are annularly arranged at the edge of the right side face of the drainage box, the spray heads are equidistantly arranged on the transverse central line of the right side face of the drainage box, and the solar cell panel can be quickly scrubbed by the simultaneous rotation of the spray heads and the bristles.
Preferably, the type of the speed reducing motor is ZWBPD, the rear end of the driving gear is meshed with the front end of the transmission gear, and the connection mode of the driving gear and the transmission gear can enable the speed reducing motor to drive the bristles and the spray head to rotate simultaneously, so that the working efficiency of the whole cleaning device is improved.
The utility model provides a beneficial effect does:
1. through the positioning mechanism who sets up, at first control lift cylinder starts, lift cylinder starts just can drive positioning pipe and wiper mechanism while rebound, just so can conveniently adjust wiper mechanism's height, then control positioning cylinder starts again, positioning cylinder starts just can drive positioning plate rebound, positioning plate rebound just can drive the left end simultaneous rebound of adaptation board and positioning pipe, at this moment the right-hand member of positioning pipe and wiper mechanism's right-hand member will rebound simultaneously, just so can position the washing angle of wasing the structure, thereby convenient and solar cell panel place the angle and cooperate, so as to can accelerate the cleaning efficiency who washs the structure.
2. Through positioning mechanism and wiper mechanism's cooperation use, at first can conveniently adjust wiper mechanism's washing angle, whole belt cleaning device just can adapt to the different solar cell panel of placing the angle like this, and then accelerated belt cleaning device's cleaning efficiency, then can also wash the spot on the solar cell panel surface fast, just so improved solar cell panel's cleanliness, thereby further improved solar cell panel's light absorption rate, and simultaneously, also improved whole solar cell panel's life like this.
Drawings
Fig. 1 is a schematic view of a cleaning device for a new energy solar cell panel according to the present invention;
fig. 2 is a front view of a cleaning device for a new energy solar cell panel provided by the present invention;
fig. 3 is a right side view of the new energy solar panel cleaning device provided by the present invention;
fig. 4 is a top view of the cleaning device for a new energy solar cell panel provided by the present invention;
fig. 5 is a longitudinal sectional view of the cleaning device for a new energy solar cell panel according to the present invention;
fig. 6 is a right side view of fig. 5 of a cleaning device for a new energy solar cell panel according to the present invention;
fig. 7 is an enlarged view of a structure a in fig. 5 of the cleaning device for a new energy solar cell panel according to the present invention;
fig. 8 is an enlarged view of a structure B in fig. 5 of a solar cell panel cleaning device for new energy according to the present invention.
In the figure: 1. pushing a cart; 2. a water storage tank; 3. a water inlet; 4. a position adjusting mechanism; 401. a lifting cylinder; 402. supporting the groove block; 403. a position stabilizing pipe; 404. a compliant plate; 405. a retention bracket; 406. a position adjusting cylinder; 407. a positioning plate; 5. a cleaning mechanism; 501. a water delivery strut; 502. sealing the bearing; 503. a water delivery pipe; 504. a transmission gear; 505. a drain box; 506. brushing; 507. a spray head; 508. a reduction motor; 509. a drive gear; 511. a water pump; 512. a water pumping pipe; 513. and a water discharge pipe.
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.
Referring to fig. 1-8, a solar cell panel belt cleaning device for new forms of energy, including shallow 1, water storage tank 2, water inlet 3, positioning mechanism 4 and wiper mechanism 5, the bottom of water storage tank 2 and the top surface fixed connection of shallow 1 left end, the bottom of water inlet 3 and the center department of water storage tank 2 top surface intercommunication, positioning mechanism 4's bottom and the top surface fixed connection of shallow 1 right-hand member, wiper mechanism 5's bottom fixed mounting is in the center department of shallow 1 front end top surface.
The position adjusting mechanism 4 comprises a lifting cylinder 401, a supporting groove block 402, a position stabilizing pipe 403, an adapting plate 404, a position fixing support 405, a position adjusting cylinder 406 and a position adjusting plate 407, the bottom of the lifting cylinder 401 is fixedly connected with the center of the top surface of the right end of the cart 1, the bottom of the supporting groove block 402 is fixedly connected with the end of a piston rod at the top end of the lifting cylinder 401, the centers of the front and back surfaces of the position stabilizing pipe 403 are hinged with the front and back surfaces of the top end of the supporting groove block 402 through pin shafts, the right end of the adapting plate 404 is sleeved in an inner cavity at the left end of the position stabilizing pipe 403, the surface of the right end of the adapting plate 404 is slidably connected with the inner wall at the left end of the position stabilizing pipe 403, the right end of the position fixing support 405 is fixedly connected with the left side surface at the top end of the lifting cylinder 401, the right side surface at the bottom end of the position adjusting cylinder 406 is, and the front of the top end of the positioning plate 407 is hinged to the front of the left end of the adapting plate 404 through a pin shaft.
The cleaning mechanism 5 comprises a water delivery pillar 501, a sealing bearing 502, a water delivery pipe 503, a transmission gear 504, a drainage box 505, bristles 506, a spray head 507, a speed reduction motor 508, a driving gear 509, a water pump 511, a water pumping pipe 512 and a drainage pipe 513, wherein the left end of the water delivery pillar 501 is fixedly connected with the right end of a stabilizing pipe 403, the outer ring surface of the sealing bearing 502 is sleeved on the inner wall of the right end of the water delivery pillar 501, the left end of the water delivery pipe 503 is sleeved in the inner cavity of the inner ring of the sealing bearing 502, the inner wall of the transmission gear 504 is sleeved on the outer surface of the center of the water delivery pipe 503, the center of the left side surface of the drainage box 505 is communicated with the right end of the water delivery pipe 503, the left ends of the bristles 506 are inlaid at the top and the bottom of the right side surface of the drainage box 505, the bristles 506 are annularly arranged at the edge of the right side surface of the drainage box 505, the left, the rear end of the speed reducing motor 508 is fixedly connected with the front face of the right end of the water delivery pillar 501, the model of the speed reducing motor 508 is ZWBPD016016, the center of the driving gear 509 is sleeved on the surface of an output shaft of the right end of the speed reducing motor 508, the rear end of the driving gear 509 is meshed with the front end of the transmission gear 504, the bottom of the water pump 511 is fixedly connected with the center of the top face of the front end of the cart 1, two ends of the water pumping pipe 512 are respectively communicated with the bottom of the front face of the water storage tank 2 and the water pumping port of the left end of the water pump 511, the bottom end and the top end of the water discharging pipe 513 are respectively communicated with the water discharging port of the right end of the water pump 511 and the bottom face of the right end of the.
When the cleaning device is used, the cart 1 is pushed firstly, the cleaning device is pushed to the area of the solar cell panel to be cleaned, then the lifting cylinder 401 is controlled to be started, the lifting cylinder 401 can drive the position stabilizing pipe 403 and the cleaning mechanism 5 to move upwards simultaneously, so that the height of the cleaning mechanism can be conveniently adjusted, then the position adjusting cylinder 406 is controlled to be started, the position adjusting cylinder 406 can drive the position adjusting plate 407 to move upwards when being started, the position adjusting plate 407 can drive the left ends of the adapting plate 404 and the position stabilizing pipe 403 to move upwards simultaneously when moving upwards, at the same time, the right end of the position stabilizing pipe 403 and the right end of the cleaning mechanism 5 can move downwards simultaneously, so that the cleaning angle of the cleaning mechanism can be adjusted, then the speed reducing motor 508 and the water pump 511 are controlled to be started simultaneously, the speed reducing motor 508 can drive the driving gear 509 to rotate, and the driving gear 504 and the water pipe 503 to rotate simultaneously, the rotation of raceway 503 just can drive drainage box 505 and rotate, drainage box 505 rotates just can drive brush hair 506 and shower nozzle 507 and rotates, and water pump 511 starts just can drive drinking-water pipe 512 and give the inside of transmitting the drain pipe 513 to the washing liquid in the water storage box 2, then give the inner chamber of transmitting to water delivery pillar 501 right-hand member by drain pipe 513, give the inside of transmitting drainage box 505 to the washing liquid by raceway 503 again, give the surface of transmitting solar cell panel to the washing liquid by shower nozzle 507 at last, rotate simultaneously through shower nozzle 507 and brush hair 506 and just can accomplish the scrubbing work to solar cell panel fast.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a solar cell panel belt cleaning device for new forms of energy, includes shallow (1), water storage box (2), water inlet (3), positioning mechanism (4) and wiper mechanism (5), its characterized in that: the bottom of water storage tank (2) and the top surface fixed connection of shallow (1) left end, the bottom of water inlet (3) and the center department of water storage tank (2) top surface intercommunication, the bottom of positioning mechanism (4) and the top surface fixed connection of shallow (1) right-hand member, the bottom fixed mounting of wiper mechanism (5) is in the center department of shallow (1) front end top surface.
2. The cleaning device for the solar cell panel for the new energy according to claim 1, characterized in that: the position adjusting mechanism (4) comprises a lifting cylinder (401), a supporting groove block (402), a position stabilizing pipe (403), an adapting plate (404), a position fixing support (405), a position adjusting cylinder (406) and a position adjusting plate (407), the bottom of the lifting cylinder (401) is fixedly connected with the center of the top surface of the right end of the cart (1), the bottom of the supporting groove block (402) is fixedly connected with the tail end of a piston rod at the top end of the lifting cylinder (401), the centers of the front surface and the back surface of the position stabilizing pipe (403) are hinged with the front surface and the back surface of the top end of the supporting groove block (402) through pin shafts, the right end of the adapting plate (404) is sleeved in an inner cavity at the left end of the position stabilizing pipe (403), the right end of the position fixing support (405) is fixedly connected with the left side surface at the top end of the lifting cylinder (401), the right side surface at the bottom end of the position adjusting cylinder (406) is fixedly connected, the bottom end of the positioning plate (407) is fixedly connected with the tail end of a piston rod at the top end of the positioning cylinder (406), and the front face of the top end of the positioning plate (407) is hinged to the front face of the left end of the adapting plate (404) through a pin shaft.
3. The cleaning device for the solar cell panel for the new energy according to claim 2, characterized in that: the cleaning mechanism (5) comprises a water delivery pillar (501), a sealing bearing (502), a water delivery pipe (503), a transmission gear (504), a drainage box (505), bristles (506), a spray head (507), a speed reduction motor (508), a driving gear (509), a water pump (511), a water pumping pipe (512) and a drainage pipe (513), wherein the left end of the water delivery pillar (501) is fixedly connected with the right end of a position stabilizing pipe (403), the outer ring surface of the sealing bearing (502) is sleeved on the inner wall of the right end of the water delivery pillar (501), the left end of the water delivery pipe (503) is sleeved in the inner cavity of the inner ring of the sealing bearing (502), the inner wall of the transmission gear (504) is sleeved on the outer surface of the center of the water delivery pipe (503), the center of the left side surface of the drainage box (505) is communicated with the right end of the water delivery pipe (503), and the left end of the bristles (506) is inlaid at the top and the bottom of, the left end of shower nozzle (507) is inlayed in the center department of drainage box (505) right flank, the rear end of gear motor (508) and the positive fixed connection of water delivery pillar (501) right-hand member, the center department suit of drive gear (509) is in the output shaft surface of gear motor (508) right-hand member, the bottom of water pump (511) and the center department fixed connection of shallow (1) front end top surface, the both ends of drinking-water pipe (512) communicate with the pumping mouth of the positive bottom of water storage box (2) and water pump (511) left end respectively, the bottom and the top of drain pipe (513) communicate with the bottom surface of the outlet of water pump (511) right-hand member and water delivery pillar (501) right-hand member respectively.
4. The cleaning device for the solar cell panel for the new energy according to claim 2, characterized in that: the surface of the right end of the adaptation plate (404) is connected with the inner wall of the left end of the position-stabilizing pipe (403) in a sliding way.
5. The cleaning device for the solar cell panel for the new energy according to claim 3, characterized in that: the drain pipe (513) is a hose, and the length of the drain pipe (513) is longer than the farthest distance for moving the right end of the water delivery pillar (501).
6. The cleaning device for the solar cell panel for the new energy according to claim 3, characterized in that: the bristles (506) are annularly arranged at the edge of the right side surface of the drainage box (505), and the spray heads (507) are equidistantly arranged on the transverse central line of the right side surface of the drainage box (505).
7. The cleaning device for the solar cell panel for the new energy according to claim 3, characterized in that: the model of the speed reducing motor (508) is ZWBPD016016, and the rear end of the driving gear (509) is meshed with the front end of the transmission gear (504).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020463422.3U CN212349598U (en) | 2020-04-01 | 2020-04-01 | Solar cell panel belt cleaning device for new forms of energy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020463422.3U CN212349598U (en) | 2020-04-01 | 2020-04-01 | Solar cell panel belt cleaning device for new forms of energy |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212349598U true CN212349598U (en) | 2021-01-15 |
Family
ID=74139805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020463422.3U Active CN212349598U (en) | 2020-04-01 | 2020-04-01 | Solar cell panel belt cleaning device for new forms of energy |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212349598U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114273366A (en) * | 2021-12-30 | 2022-04-05 | 玖隆能源建设集团有限公司 | Automatic cleaning equipment for live cleaning operation and use method thereof |
CN114602895A (en) * | 2022-03-14 | 2022-06-10 | 重庆镭宝激光科技有限公司 | Movable laser cleaning machine |
CN115069648A (en) * | 2022-08-11 | 2022-09-20 | 湖南省康普通信技术有限责任公司 | Ash removal device for maintenance of power distribution cabinet |
-
2020
- 2020-04-01 CN CN202020463422.3U patent/CN212349598U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114273366A (en) * | 2021-12-30 | 2022-04-05 | 玖隆能源建设集团有限公司 | Automatic cleaning equipment for live cleaning operation and use method thereof |
CN114602895A (en) * | 2022-03-14 | 2022-06-10 | 重庆镭宝激光科技有限公司 | Movable laser cleaning machine |
CN114602895B (en) * | 2022-03-14 | 2023-11-03 | 重庆镭宝激光科技有限公司 | Movable laser cleaning machine |
CN115069648A (en) * | 2022-08-11 | 2022-09-20 | 湖南省康普通信技术有限责任公司 | Ash removal device for maintenance of power distribution cabinet |
CN115069648B (en) * | 2022-08-11 | 2022-12-09 | 湖南省康普通信技术有限责任公司 | Ash removal device for maintenance of power distribution cabinet |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN212349598U (en) | Solar cell panel belt cleaning device for new forms of energy | |
CN209287916U (en) | A kind of photovoltaic apparatus dust-extraction unit | |
CN108774980B (en) | Tunnel cleaning vehicle | |
CN104941935B (en) | A kind of plane cleans device and cleaning method | |
CN219287455U (en) | Solar cell panel sprays cleaning device | |
CN113275274B (en) | Photovoltaic electric plate dust collector that bloies | |
CN106108796B (en) | Floor sweeping robot | |
CN210493959U (en) | Multifunctional toilet cleaning device | |
CN209975443U (en) | Belt cleaning device for building | |
CN213094148U (en) | Automatic clear up waterproof photovoltaic panel | |
CN210961798U (en) | Quick brushing device of bathroom ceramic tile ground | |
CN210753948U (en) | Belt cleaning device of portable water pump accessory | |
CN210204621U (en) | Efficient dust removal environmental protection equipment | |
CN111827190A (en) | Ground cleaning device for construction | |
CN217831107U (en) | Effluent water sump belt cleaning device with adjustable | |
CN207308444U (en) | A kind of solar panels cleaning device | |
CN213162065U (en) | Solar photovoltaic belt cleaning device | |
CN213962525U (en) | Self-cleaning lawn seat | |
CN215089214U (en) | Cleaning device for solar photovoltaic module | |
CN212392856U (en) | Battery plate ash removal device for solar power generation | |
CN209855312U (en) | Underwater dirt suction machine | |
CN211515292U (en) | Roof photovoltaic power plant subassembly cleaning means | |
CN212037404U (en) | Large-scale floor cleaning machine | |
CN215785167U (en) | Solar cell panel belt cleaning device for new forms of energy | |
CN216495151U (en) | Cleaning assembly and cleaning device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |