CN220325554U - Photovoltaic power generation equipment protection structure for severe environment - Google Patents
Photovoltaic power generation equipment protection structure for severe environment Download PDFInfo
- Publication number
- CN220325554U CN220325554U CN202321923492.2U CN202321923492U CN220325554U CN 220325554 U CN220325554 U CN 220325554U CN 202321923492 U CN202321923492 U CN 202321923492U CN 220325554 U CN220325554 U CN 220325554U
- Authority
- CN
- China
- Prior art keywords
- fixed
- photovoltaic
- photovoltaic power
- guard box
- gear
- 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
- 230000004224 protection Effects 0.000 title claims abstract description 56
- 238000010248 power generation Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000002411 adverse Effects 0.000 claims abstract description 11
- 230000003028 elevating effect Effects 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000031700 light absorption Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a photovoltaic power generation equipment protection structure for severe environments, and relates to the technical field of photovoltaic panel protection. In order to solve the problem that the existing photovoltaic panel protection device is easy to be scraped down by strong wind when encountering strong wind environment, and damage is caused. The utility model provides a photovoltaic power generation equipment protection architecture for adverse circumstances, includes guard box and photovoltaic board, the inside of guard box is equipped with the backup pad, and the lower fixed surface of backup pad installs elevating system, and the upper surface both sides of backup pad are fixed with adjustment mechanism, and adjustment mechanism's top is fixed at the lower surface of photovoltaic board, and the upper surface both sides of guard box are fixed with the mounting panel, installs protection machanism on the mounting panel. This a photovoltaic power generation equipment protection architecture for adverse circumstances has avoided rainwater and debris to drop to the photovoltaic board on, influences the life of photovoltaic board, when meetting the strong wind environment simultaneously, in retracting the guard box with the photovoltaic board, has avoided strong wind to scrape the photovoltaic board down, and then causes the damage.
Description
Technical Field
The utility model relates to the technical field of photovoltaic panel protection, in particular to a photovoltaic power generation equipment protection structure for severe environments.
Background
In recent years, solar photovoltaic panels are widely used, solar energy is taken as renewable clean energy, development and utilization are paid attention to by a plurality of countries, from an initial solar water heater to subsequent solar power generation, more and more solar energy utilization technologies are applied to life of people, as the photovoltaic panels are placed outdoors when in use, damage to disaster weather such as sand storm, chill, storm, hail and the like is easy to occur, manual prevention is needed, the utility model with the application number of CN201822220367.0 discloses a protection device for photovoltaic equipment, solar cell pieces are protected through a protection cover, dust, heat and impact outside through the protection cover are prevented from falling onto a backboard and the solar cell pieces, working stability of the solar cell pieces is kept, service life of the solar cell pieces is prolonged, cost of photovoltaic power generation is greatly reduced, and light energy utilization efficiency is improved through a light-gathering cover, economic benefits generated by the photovoltaic power generation are improved.
Disclosure of Invention
The utility model aims to provide a photovoltaic power generation equipment protection structure for severe environments, which has the effect of achieving the maximum light absorptivity, so that a photovoltaic panel can absorb solar energy better, the efficiency is improved, rainwater and sundries are prevented from falling onto the photovoltaic panel, the service life of the photovoltaic panel is influenced, meanwhile, when the photovoltaic panel encounters a strong wind environment, the photovoltaic panel is retracted into a protection box, the photovoltaic panel is prevented from being scraped down by strong wind, and the damage caused by the strong wind is avoided, and the problems in the prior art can be solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a photovoltaic power generation equipment protection architecture for adverse circumstances, includes guard box and photovoltaic board, the inside of guard box is equipped with the backup pad, and the backup pad is connected with the inner wall contact of guard box, and the lower fixed surface of backup pad installs elevating system, and elevating system's bottom is fixed on the inside wall of guard box, and the upper surface both sides of backup pad are fixed with adjustment mechanism, and adjustment mechanism's top is fixed at the lower surface of photovoltaic board, and the upper surface both sides of guard box are fixed with the mounting panel, installs protection machanism on the mounting panel, and protection machanism covers the upper surface at the photovoltaic board.
Preferably, the protection mechanism comprises a mobile motor, a mobile gear, a rack, a slide bar and a slide block, wherein the output end of the mobile motor is provided with a rotating shaft, the lower end of the rotating shaft is fixedly provided with the mobile gear, the mobile gear is meshed with the rack, the rack is fixed on the upper surface of the protection box, the upper end of the rotating shaft is movably provided with a connecting plate, the connecting plate is fixed on the slide block, and the slide block is slidably arranged on the slide bar.
Preferably, the two slide bars are arranged, the slide bars are respectively fixed on the mounting plates on two sides of the upper surface of the protection box, the slide blocks are arranged in a plurality of ways and correspondingly arranged on the two slide bars, a reinforcing rib is fixed between the two corresponding slide blocks, a shielding plate is fixed on the reinforcing rib, and the mobile motor is a gear motor.
Preferably, the adjusting mechanism comprises a base, a driven gear, a driven shaft, a mounting seat, a rotating motor, a driving gear and a driving shaft, wherein the driven shaft is fixed on the inner side of the base, the driven gear is fixed on the driven shaft and meshed with the driving gear, the driving gear is fixed on the driving shaft, one end of the driving shaft is mounted at the output end of the rotating motor, and the other end of the driving shaft is rotatably mounted on the mounting seat.
Preferably, the base is fixed on the lower surface of the photovoltaic panel, and the mounting seat is fixed on the upper surface of the supporting plate.
Preferably, the lifting mechanism comprises a supporting rod, a movable block, a fixing rod, a first connecting rod, a second connecting rod and a fixing plate, wherein the supporting rod is arranged at the bottom of the protection box, the fixing rod is arranged on the lower surface of the supporting plate through the fixing plate, the movable block is movably arranged on the supporting rod and the fixing rod, and a plurality of groups of first connecting rods and second connecting rods are arranged between the upper movable block and the lower movable block.
Preferably, the first connecting rod and the second connecting rod are arranged in a crossing way and are movably connected together through a connecting rod, and a hydraulic rod is arranged on the outer side of one group of the first connecting rod and the second connecting rod.
Preferably, a movable wheel is arranged on the lower surface of the protection box, and a brake is arranged on the movable wheel.
Compared with the prior art, the utility model has the following beneficial effects:
this a photovoltaic power generation equipment protection architecture for adverse circumstances realizes that light absorptivity reaches the biggest effect through adjustment mechanism adjustment photovoltaic board to the direction of sun for photovoltaic board is better absorbs solar energy, improves its efficiency, in the elevating system who sets up stretches into the guard box when meetting adverse circumstances, avoid photovoltaic board to take place to damage, the protection machanism of setting is used for covering the top of guard box, rainwater and debris have been avoided to drop to photovoltaic board on, influence photovoltaic board's life, when meetting the windy environment simultaneously, in receiving the guard box with photovoltaic board, avoided the windy to scrape down photovoltaic board, and then cause the damage.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a portion of the structure of the present utility model;
FIG. 3 is a schematic view of a protection mechanism according to the present utility model;
FIG. 4 is a schematic view of an adjusting mechanism according to the present utility model;
fig. 5 is a schematic structural view of a lifting mechanism according to the present utility model.
In the figure: 1. a protection box; 2. a protective mechanism; 21. a moving motor; 22. a moving gear; 23. a rack; 24. a slide bar; 25. a cover plate; 26. a slide block; 3. a photovoltaic panel; 4. a moving wheel; 5. a support plate; 6. an adjusting mechanism; 61. a base; 62. a driven gear; 63. a driven shaft; 64. a mounting base; 65. a rotating electric machine; 66. a drive gear; 67. a driving shaft; 7. a lifting mechanism; 71. a support rod; 72. a hydraulic rod; 73. a connecting rod; 74. a movable block; 75. a fixed rod; 76. a first link; 77. a second link; 78. a fixing plate; 8. and (3) mounting a plate.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order to solve the technical problem that the existing photovoltaic panel protection device is easily scraped down by strong wind to cause damage when encountering strong wind environment due to the fact that the photovoltaic panel is not provided with a fixing device, please refer to fig. 1-5, the embodiment provides the following technical scheme:
the utility model provides a photovoltaic power generation equipment protection architecture for adverse circumstances, including guard box 1 and photovoltaic board 3, guard box 1's inside is equipped with backup pad 5, backup pad 5 is connected with guard box 1's inner wall contact, backup pad 5's lower surface fixed mounting has elevating system 7, elevating system 7's bottom is fixed on guard box 1's inside wall, backup pad 5's upper surface both sides are fixed with adjustment mechanism 6, adjustment mechanism 6's top is fixed at photovoltaic board 3's lower surface, guard box 1's upper surface both sides are fixed with mounting panel 8, install protection machanism 2 on mounting panel 8, protection machanism 2 covers at photovoltaic board 3's upper surface, guard box 1's lower surface mounting has movable wheel 4, be equipped with the stopper on the movable wheel 4, the movable wheel 4 of setting makes things convenient for the removal of the device, the practicality of the device has been improved.
The protection mechanism 2 comprises a mobile motor 21, a mobile gear 22, racks 23, sliding rods 24 and sliding blocks 26, a rotating shaft is arranged at the output end of the mobile motor 21, the mobile gear 22 is fixed at the lower end of the rotating shaft, the racks 23 are meshed with the mobile gear 22, the racks 23 are fixed on the upper surface of the protection box 1, a connecting plate is movably arranged at the upper end of the rotating shaft, the connecting plate is fixed on the sliding blocks 26, the sliding blocks 26 are slidably arranged on the sliding rods 24, two sliding rods 24 are respectively fixed on mounting plates 8 on two sides of the upper surface of the protection box 1, the sliding blocks 26 are correspondingly arranged on the two sliding rods 24, reinforcing ribs are fixed between the two corresponding sliding blocks 26, a cover plate 25 is fixed on the reinforcing ribs, the mobile motor 21 is a speed reducing motor, the rotating shaft is started to enable the mobile gear 22 to move along the racks 23, the sliding blocks 26 to move on the sliding rods 24, the cover plates 25 are further enabled to move, the photovoltaic plates 3 are covered, and rainwater and sundries are prevented from falling onto the photovoltaic plates 3, and the service life of the photovoltaic plates 3 is prevented.
The adjusting mechanism 6 comprises a base 61, a driven gear 62, a driven shaft 63, an installation seat 64, a rotating motor 65, a driving gear 66 and a driving shaft 67, wherein the driven shaft 63 is fixed on the inner side of the base 61, the driven gear 62 is fixed on the driven shaft 63, the driven gear 62 is meshed with the driving gear 66, the driving gear 66 is fixed on the driving shaft 67, one end of the driving shaft 67 is installed at the output end of the rotating motor 65, the other end of the driving shaft 67 is rotatably installed on the installation seat 64, the base 61 is fixed on the lower surface of the photovoltaic panel 3, the installation seat 64 is fixed on the upper surface of the supporting plate 5, the driving shaft 67 is driven to rotate through starting the rotating motor 65, the driving gear 66 is driven to rotate, and then the driven gear 62 meshed with the driving gear is driven to rotate, so that the driven shaft 63 rotates to drive the photovoltaic panel 3 to rotate, the photovoltaic panel 3 is adjusted to reach the maximum light absorption rate, and the photovoltaic panel 3 can absorb solar energy better, and the efficiency of the photovoltaic panel is improved.
The elevating system 7 includes bracing piece 71, movable block 74, dead lever 75, first connecting rod 76, second connecting rod 77 and fixed plate 78, bracing piece 71 sets up the bottom of guard box 1, dead lever 75 passes through the fixed plate 78 to be installed at the lower surface of backup pad 5, equal movable mounting has movable block 74 on bracing piece 71 and the dead lever 75, be provided with multiunit first connecting rod 76 and second connecting rod 77 between upper and lower two movable blocks 74, first connecting rod 76 and second connecting rod 77 cross arrangement, and link together through connecting rod 73 swing joint, hydraulic stem 72 is installed in the outside of a set of first connecting rod 76 and second connecting rod 77, when meetting normal environment, start hydraulic stem 72, first connecting rod 76 and second connecting rod 77 are gone up to the top end, make backup pad 5 rise, with photovoltaic board 3 to the outside of guard box 1, make photovoltaic board 3 can normal work, when meetting adverse circumstances, start hydraulic stem 72, make first connecting rod 76 and second connecting rod 77 descend, and then drive photovoltaic board 3 and descend, with photovoltaic board 3, see the guard box 1 in the guard box 7 when meeting normal circumstances, and the guard box is also stretched into the guard box 3 and is greatly damaged when having avoided stretching into the guard box 1, and then the guard box is protected.
Working principle: when the photovoltaic panel 3 is in use, when encountering normal environment, the hydraulic rod 72 is started, the first connecting rod 76 and the second connecting rod 77 are upwards propped up, the supporting plate 5 is lifted, the photovoltaic panel 3 is lifted to the outside of the protection box 1, the rotating motor 65 is started, the driving shaft 67 is driven to rotate, the driving gear 66 is driven to rotate, the driven gear 62 meshed with the driving gear 66 is driven to rotate, the driven shaft 63 is driven to rotate, the photovoltaic panel 3 is adjusted to the sun direction, the maximum effect of light absorption rate is achieved, when encountering severe environment, the hydraulic rod 72 is started, the first connecting rod 76 and the second connecting rod 77 are lifted down, the photovoltaic panel 3 is driven to be lifted down, the photovoltaic panel 3 is retracted into the protection box 1, then the moving motor 21 is started, the rotating shaft is driven to rotate, the moving gear 22 is driven to move along the rack 23, the sliding block 26 is driven to move on the sliding rod 24, and the shielding plate 25 is driven to cover the photovoltaic panel 3.
To sum up, this a photovoltaic power generation equipment protection architecture for adverse circumstances, make the rotation axis rotatory through starting movable motor 21, and then drive movable gear 22 and remove along rack 23, make shielding plate 25 remove, cover photovoltaic board 3, avoided rainwater and debris whereabouts to photovoltaic board 3, influence photovoltaic board 3's life, through starting rotary motor 65, make driven shaft 63 rotate and then drive photovoltaic board 3 and rotate, adjust photovoltaic board 3 to the direction of sun, realize the effect that the light absorptivity reaches the biggest, make photovoltaic board 3 better absorption solar energy, improve its efficiency, when meeting normal environment, start hydraulic stem 72, upwards top end first connecting rod 76 and second connecting rod 77, rise photovoltaic board 3 to the outside of protection box 1, make photovoltaic board 3 can normally work, when meeting adverse circumstances, start hydraulic stem 72, make first connecting rod 76 and second connecting rod 77 descend, and then drive photovoltaic board 3 and descend, in with photovoltaic board 3, adjust photovoltaic board 3 to the direction of going into protection box 1, it is also stretched into photovoltaic board 3 when meeting normal environment, and protection box 3 is damaged in the protection box 3 is also stretched into to the adverse circumstances when setting up, and protection box 3 is damaged.
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 utility model 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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a photovoltaic power generation equipment protection architecture for adverse circumstances, includes guard box (1) and photovoltaic board (3), its characterized in that: the inside of guard box (1) is equipped with backup pad (5), backup pad (5) are connected with the inner wall contact of guard box (1), lower surface fixed mounting of backup pad (5) has elevating system (7), the bottom of elevating system (7) is fixed on the inside wall of guard box (1), the upper surface both sides of backup pad (5) are fixed with adjustment mechanism (6), the lower surface at photovoltaic board (3) is fixed at the top of adjustment mechanism (6), the upper surface both sides of guard box (1) are fixed with mounting panel (8), install protection machanism (2) on mounting panel (8), protection machanism (2) cover the upper surface at photovoltaic board (3).
2. A photovoltaic power plant protection structure for harsh environments according to claim 1, characterized in that: the protection mechanism (2) comprises a mobile motor (21), a mobile gear (22), a rack (23), a slide bar (24) and a slide block (26), wherein a rotating shaft is arranged at the output end of the mobile motor (21), the mobile gear (22) is fixed at the lower end of the rotating shaft, the rack (23) is meshed with the mobile gear (22), the rack (23) is fixed on the upper surface of the protection box (1), a connecting plate is movably arranged at the upper end of the rotating shaft and fixed on the slide block (26), and the slide block (26) is slidably arranged on the slide bar (24).
3. A photovoltaic power plant protection structure for harsh environments according to claim 2, characterized in that: the two sliding rods (24) are arranged, the two sliding rods are respectively fixed on the mounting plates (8) on two sides of the upper surface of the protection box (1), the plurality of sliding blocks (26) are arranged and correspondingly arranged on the two sliding rods (24), reinforcing ribs are fixed between the two corresponding sliding blocks (26), the shielding plates (25) are fixed on the reinforcing ribs, and the mobile motor (21) is a gear motor.
4. A photovoltaic power plant protection structure for harsh environments according to claim 1, characterized in that: the adjusting mechanism (6) comprises a base (61), a driven gear (62), a driven shaft (63), a mounting seat (64), a rotating motor (65), a driving gear (66) and a driving shaft (67), wherein the driven shaft (63) is fixed on the inner side of the base (61), the driven gear (62) is fixed on the driven shaft (63), the driven gear (62) is meshed with the driving gear (66), the driving gear (66) is fixed on the driving shaft (67), one end of the driving shaft (67) is mounted at the output end of the rotating motor (65), and the other end of the driving shaft (67) is rotatably mounted on the mounting seat (64).
5. The photovoltaic power generation apparatus protection structure for harsh environments according to claim 4, wherein: the base (61) is fixed on the lower surface of the photovoltaic panel (3), and the mounting seat (64) is fixed on the upper surface of the supporting plate (5).
6. A photovoltaic power plant protection structure for harsh environments according to claim 1, characterized in that: elevating system (7) are including bracing piece (71), movable block (74), dead lever (75), first connecting rod (76), second connecting rod (77) and fixed plate (78), and bracing piece (71) set up the bottom at safe (1), and dead lever (75) are installed at the lower surface of backup pad (5) through fixed plate (78), and equal movable mounting has movable block (74) on bracing piece (71) and dead lever (75), are provided with multiunit first connecting rod (76) and second connecting rod (77) between upper and lower two movable blocks (74).
7. The photovoltaic power generation apparatus protection structure for harsh environments according to claim 6, characterized in that: the first connecting rods (76) and the second connecting rods (77) are arranged in a crossing mode and are movably connected together through connecting rods (73), and hydraulic rods (72) are arranged on the outer sides of one group of the first connecting rods (76) and the outer sides of one group of the second connecting rods (77).
8. A photovoltaic power plant protection structure for harsh environments according to claim 1, characterized in that: the lower surface of the protection box (1) is provided with a moving wheel (4), and a brake is arranged on the moving wheel (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321923492.2U CN220325554U (en) | 2023-07-21 | 2023-07-21 | Photovoltaic power generation equipment protection structure for severe environment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321923492.2U CN220325554U (en) | 2023-07-21 | 2023-07-21 | Photovoltaic power generation equipment protection structure for severe environment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220325554U true CN220325554U (en) | 2024-01-09 |
Family
ID=89425283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321923492.2U Active CN220325554U (en) | 2023-07-21 | 2023-07-21 | Photovoltaic power generation equipment protection structure for severe environment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220325554U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118144607A (en) * | 2024-03-20 | 2024-06-07 | 江苏鼎兴电力设备有限公司 | Photovoltaic energy storage type charging pile |
-
2023
- 2023-07-21 CN CN202321923492.2U patent/CN220325554U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118144607A (en) * | 2024-03-20 | 2024-06-07 | 江苏鼎兴电力设备有限公司 | Photovoltaic energy storage type charging pile |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN208257754U (en) | A kind of multi-functional photovoltaic power generation apparatus | |
CN220325554U (en) | Photovoltaic power generation equipment protection structure for severe environment | |
CN116020791B (en) | Surface dust cleaning device for photovoltaic cell panel | |
CN116780996A (en) | Adjustable photovoltaic panel strutting arrangement that photovoltaic power generation used | |
CN211183866U (en) | Protection device of photovoltaic solar panel | |
CN113819439A (en) | Energy-saving environment-friendly multi-energy street lamp equipment | |
CN219242091U (en) | Wind driven generator with wind scooper | |
CN109724270B (en) | Heliostat with movable opening | |
CN217159607U (en) | Solar photovoltaic board is with assembling support | |
CN115940775A (en) | Solar power generation protection equipment for sudden weather | |
CN206922707U (en) | Photovoltaic generation cell panel clearing apparatus | |
CN214315158U (en) | Protection device for solar power station | |
CN210899060U (en) | Photovoltaic solar panel power generation device with protection function | |
CN112134519A (en) | Multifunctional solar panel mounting rack | |
CN112615582A (en) | Solar photovoltaic laminating combined power generation device | |
CN221058231U (en) | Solar photovoltaic panel supporting device | |
CN220527986U (en) | Solar panel protector | |
CN221669787U (en) | Solar power generation equipment capable of freely adjusting solar panel | |
CN221127246U (en) | Photovoltaic power station with monitoring function | |
CN221103278U (en) | Flat single-shaft photovoltaic tracking bracket | |
CN217159605U (en) | Solar energy conversion device with protection function | |
CN213279553U (en) | Photovoltaic support | |
CN220964788U (en) | Protective solar cell module | |
CN221298747U (en) | Rotary shed | |
CN215498823U (en) | Photovoltaic solar panel with protection function |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |