CN214189368U - Automatic change new forms of energy and fill electric pile - Google Patents
Automatic change new forms of energy and fill electric pile Download PDFInfo
- Publication number
- CN214189368U CN214189368U CN202120298732.9U CN202120298732U CN214189368U CN 214189368 U CN214189368 U CN 214189368U CN 202120298732 U CN202120298732 U CN 202120298732U CN 214189368 U CN214189368 U CN 214189368U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- protective shell
- electric pile
- apron
- drainage
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Landscapes
- Revetment (AREA)
Abstract
The utility model discloses an automatic change new forms of energy and fill electric pile, including the ground, set up in the ground and receive and put the pothole, receive and be provided with the brick on putting the pothole inside wall and mix the lateral wall, the brick is mixed and is provided with the protective housing between the lateral wall, and the bottom of protective housing is provided with the base, has seted up on the electric pile body with pulley assorted race, top protection machanism still include with apron one and apron two assorted hold-down mechanism, receive the upper end of putting the pothole to be provided with assorted drainage mechanism with it. The utility model discloses, put the easy receipts of electric pile in the underground, and it goes up and down very conveniently when using, avoid exposing in impact and other destruction when the earth's surface, improved economic benefits, the utility model discloses when putting the electric pile in the underground, can make it avoid the rainwater flood irrigation to soak, and can also make the rainwater retrieve through drainage mechanism and recycle, be fit for the urban popularization.
Description
Technical Field
The utility model relates to a new forms of energy application technical field especially relates to an automatic change new forms of energy and fill electric pile.
Background
The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source, integrates advanced technologies in the aspects of power control and driving of the automobile, forms an advanced technical principle, has a new technology and a new structure, is advocated for meeting the requirements of environmental protection and petroleum crisis, reduces or abandons the current mainstream automobile models of a traditional gasoline or diesel oil driven internal combustion engine, is mostly driven by electric or oil-electricity hybrid power, and is often required to be used for a purpose-made new energy charging pile when being charged.
However, most of the existing charging piles are directly exposed on the earth surface, and the charging piles cannot be protected in the arrangement mode when being subjected to external impact, and the accident that the charging piles are damaged by collision happens occasionally, so that great potential safety hazards exist. Therefore, an automatic new energy charging pile is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the automatic new forms of energy that proposes fill electric pile.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an automatic new energy charging pile comprises a foundation, wherein a collecting pit is formed in the foundation, brick-mixed side walls are arranged on the inner side walls of the collecting pit, a protective shell is arranged between the brick-mixed side walls, a base is arranged at the bottom of the protective shell, an electric pile body is arranged in the base, a lifting mechanism matched with the electric pile body is arranged on the base, a top protection mechanism matched with the protective shell is arranged at the upper end of the protective shell, the top protection mechanism comprises a first cover plate and a second cover plate which are arranged at the top of the protective shell, hinges are arranged at the joints of the first cover plate and the second cover plate and the protective shell, the first cover plate and the second cover plate are hinged with the protective shell through the hinges, rotating rods are arranged at the joints of the first cover plate and the second cover plate in a staggered manner, pulleys are arranged on the rotating rods, and occlusion grooves are formed at the joints of the first cover plate and the second cover plate in a staggered manner, the occlusion groove is matched with the pulley, the electric pile body is provided with a pulley groove matched with the pulley, the top protection mechanism further comprises a pressing mechanism matched with the first cover plate and the second cover plate, and the upper end of the accommodating pot hole is provided with a drainage mechanism matched with the upper end of the accommodating pot hole.
Preferably, hold-down mechanism is including setting up a pair of connecting block one on the protective housing, connecting block one with apron one with lap two phase correspondences, it has branch to articulate on the connecting block one, the one end of keeping away from connecting block one on the branch articulates there is connecting block two, hold-down mechanism is still including offering a pair of chamber of playing on apron one and apron two, connecting block two and play chamber phase-match, it has spacing round bar to inlay in the chamber of playing, two movable sleeves of connecting block locate on spacing round bar, be provided with the spring between connecting block two and the chamber of playing, the spring housing is located on the outer wall of spacing round bar.
Preferably, elevating system is including offering a pair of spacing groove on the protective housing, and is a pair of the spacing inslot imbeds respectively has lead screw and slide bar, be provided with the frame plate between lead screw and the slide bar, be provided with a pair of spacing slider on the frame plate, it is a pair of spacing slider cup joints with lead screw and slide bar respectively, electric pile body fixed connection is on the frame plate, the one end of lead screw runs through the spacing groove and is provided with driven gear, elevating system still include with driven gear assorted actuating mechanism.
Preferably, actuating mechanism is including setting up the protecting crust on the ground, be provided with the motor in the protecting crust, coaxial fixedly connected with driving gear on the output of motor, driving gear and driven gear intermeshing, the top of protecting crust is provided with the switch spare of power supply machine operation.
Preferably, the switch part comprises a water retaining top frame welded on the protective shell, a foot-operated switch is arranged in the water retaining top frame, and anti-skidding lines are arranged on the surface of the foot-operated switch.
Preferably, the drainage mechanism includes four water filter plates erected on the brick-concrete side wall, water filter holes are formed in the water filter plates and the protective shell, a drainage inclined pipe is arranged at the bottom of the brick-concrete side wall in a penetrating mode, a drainage main pipe is connected below the drainage inclined pipe in a penetrating mode, and the drainage inclined pipe and the drainage main pipe are buried in the foundation.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the matching of the lifting mechanism and the top protection mechanism, when charging is needed, the motor is started through the foot switch, the motor drives the driving gear to rotate through the output end, the driving gear drives the driven gear meshed with the driving gear to rotate, the driven gear drives the screw rod to rotate, the screw rod enables the frame plate to ascend to drive the electric pile body to jack the first cover plate and the second cover plate, after the use is finished, reversely operating the above steps, the electric pile body is contracted into the protective shell, at the moment, the first cover plate and the second cover plate are extruded by the resilience force of the spring on the supporting rod, the wheel groove on the electric pile body is automatically closed until the electric pile body is completely put into the protective shell, at the moment, the first cover plate and the second cover plate are closed in an inverted V shape, the electric pile body is stored underground, so that the electric pile body is not damaged due to exposure, the service life of the electric pile body is prolonged, and economic loss is reduced.
2. Through the drainage mechanism who sets up, when the rainwater, the rainwater is in through the slope automatic sliding of the closed apron one of shape of falling and apron two to the water strainer plate, part rainwater can be inside the protective housing through positions such as interlock groove on apron one and the apron two, the rainwater that gets into to receive to put in the pot hole falls to the bottom that the brick mixes the lateral wall through the drainage hole on water strainer plate and the protective housing, thereby be responsible for through the drainage of launching the pipe chute drainage, in order to reach the purpose that the protection electric pile body does not receive the water body to soak, make the electric pile body still safe and durable when receiving to put in the underground, and the rainwater of holding back also can be retrieved and recycled.
Drawings
Fig. 1 is a schematic view of an overall cross-sectional structure of an automatic new energy charging pile according to the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a top expanded view of FIG. 2;
fig. 4 is a schematic cross-sectional structure view of the pressing mechanism in fig. 2.
In the figure: 1. a foundation; 2. collecting the pit; 3. a brick-concrete side wall; 4. a protective shell; 5. a base; 6. an electric pile body; 7. a lifting mechanism; 8. a limiting groove; 9. a screw rod; 10. a slide bar; 11. a frame plate; 12. a limiting slide block; 13. a driven gear; 14. a drive mechanism; 15. a protective shell; 16. a motor; 17. a driving gear; 18. a water retaining top frame; 19. a foot switch; 20. a top guard mechanism; 21. a first cover plate; 22. a second cover plate; 23. a hinge; 24. a rotating rod; 25. a pulley; 26. an occlusion groove; 27. a hold-down mechanism; 28. a first connecting block; 29. a strut; 30. a second connecting block; 31. a bullet cavity; 32. a limiting round rod; 33. a spring; 34. a drainage mechanism; 35. a water filter plate; 36. a launching inclined pipe; 37. a main drainage pipe; 38. a wheel groove.
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. 1-4, an automatic new energy charging pile comprises a foundation 1, a receiving pit 2 is arranged in the foundation 1, a brick-concrete side wall 3 is arranged on the inner side wall of the receiving pit 2, soil is placed to run off and block the receiving pit 2, an electric pile body 6 is polluted, a protective shell 4 is arranged between the brick-concrete side walls 3, a base 5 is arranged at the bottom of the protective shell 4, an electric pile body 6 is arranged in the base 5, a lifting mechanism 7 matched with the electric pile body 6 is arranged on the base 5, a top protection mechanism 20 matched with the upper end of the protective shell 4 is arranged at the upper end of the protective shell 4, the top protection mechanism 20 comprises a cover plate one 21 and a cover plate two 22 which are arranged at the top of the protective shell 4, hinges 23 are arranged at the joints of the cover plate one 21 and the cover plate two 22 and the protective shell 4, the cover plate one 21 and the cover plate two 22 are hinged with each other through the hinges 23, when the cover plate one 21 and the cover plate two 22 are connected, the whole structure is in an inverted V-shaped state, so that rainwater can fall into the water filtering plate 35 rapidly through an inverted V-shaped slope, rotating rods 24 are arranged at the joint of the first cover plate 21 and the second cover plate 22 in a staggered mode, pulleys 25 are arranged on the rotating rods 24, snap-in grooves 26 are formed at the joint of the first cover plate 21 and the second cover plate 22 in a staggered mode, the snap-in grooves 26 are matched with the pulleys 25, wheel grooves 38 matched with the pulleys 25 are formed in the electric pile body 6, the first cover plate 21 and the second cover plate 22 can be jacked open along the wheel grooves 38 when the electric pile body 6 ascends, the pulleys 25 on the first cover plate 21 and the second cover plate 22 can automatically slide downwards through the wheel grooves 38 until the electric pile body is closed again, the top protection mechanism 20 further comprises a pressing mechanism 27 matched with the first cover plate 21 and the second cover plate 22, and a drainage mechanism 34 matched with the upper end of the accommodating pit 2 is arranged.
The pressing mechanism 27 comprises a pair of first connecting blocks 28 arranged on the protective shell 4, the first connecting blocks 28 correspond to the first cover plate 21 and the second cover plate 22, supporting rods 29 are hinged on the first connecting blocks 28, one ends, far away from the first connecting blocks 28, of the supporting rods 29 are hinged with second connecting blocks 30, the pressing mechanism 27 further comprises a pair of elastic cavities 31 arranged on the first cover plate 21 and the second cover plate 22, the second connecting blocks 30 are matched with the elastic cavities 31, limiting round rods 32 are embedded in the elastic cavities 31, the second connecting blocks 30 are movably sleeved on the limiting round rods 32, springs 33 are arranged between the second connecting blocks 30 and the elastic cavities 31, the springs 33 are sleeved on the outer walls of the limiting round rods 32, the springs 33 are in an extending state in a natural state, when the electric pile body 6 moves upwards, the supporting rods 29 are driven to rotate upwards to move, the springs 33 are extruded, at the moment, the springs 33 are stressed and rebound, so that the first cover plate 21 and the second cover plate 22 connected with the supporting rods 29 are always in elastic contact with the electric pile body 6, when the electric pile body 6 moves downwards, the support rod 29 is caused to automatically press the first cover plate 21 and the second cover plate 22 due to the resilience of the spring 33.
Elevating system 7 is including seting up a pair of spacing groove 8 on protective housing 4, it has lead screw 9 and slide bar 10 to embed respectively in a pair of spacing groove 8, be provided with frame plate 11 between lead screw 9 and the slide bar 10, be provided with a pair of spacing slider 12 on the frame plate 11, a pair of spacing slider 12 cup joints with lead screw 9 and slide bar 10 respectively, electric pile body 6 fixed connection is on frame plate 11, the one end of lead screw 9 runs through spacing groove 8 and is provided with driven gear 13, elevating system 7 still include with driven gear 13 assorted actuating mechanism 14.
Switch spare is including welding in the manger plate top frame 18 on protective housing 15, be provided with foot-operated switch 19 in the manger plate top frame 18, foot-operated switch 19's surface is provided with anti-skidding line, pass through line connection between foot-operated switch 19 and the motor 16, its output shaft two-way rotation of foot-operated switch 19 control motor 16 drive, motor 16's output shaft drives driving gear 17 two-way rotation, thereby make driven gear 13 with it meshing drive lead screw 9 two-way rotation, frame plate 11 can be reciprocated in protective housing 4 by the rotation drive electric pile body 6 of lead screw 9, so that use.
The working principle of the utility model is that when charging is needed, the motor 16 is turned on through the foot switch 19, the motor 16 drives the driving gear 17 to rotate through the output end, the driving gear 17 drives the driven gear 13 engaged with the driving gear to rotate, the driven gear 13 drives the screw rod 9 to rotate, the screw rod 9 enables the frame plate 11 to ascend, and the electric pile body 6 is driven to jack the cover plate one 21 and the cover plate two 22.
After the electric pile is used, the steps are operated in the reverse direction, the electric pile body 6 is retracted into the protective shell 4, at the moment, the first cover plate 21 and the second cover plate 22 are extruded by resilience force of the spring 33 on the support rod 29 and automatically closed in the wheel groove 38 on the electric pile body 6 until the electric pile body 6 is completely retracted into the protective shell 4, and at the moment, the first cover plate 21 and the second cover plate 22 are closed in an inverted V shape.
When rainwater exists, the rainwater automatically slides into the water filtering plate 35 through the slope of the first cover plate 21 and the second cover plate 22 which are closed in the inverted V shape, part of the rainwater can be immersed into the protective shell 4 through the occlusion grooves 26 and the like on the first cover plate 21 and the second cover plate 22, the rainwater entering the accommodating pot hole 2 falls to the bottom of the brick-concrete side wall 3 through the water filtering plate 35 and the water filtering holes in the protective shell 4, and then is discharged into the main drainage pipe 37 through the inclined drainage pipe 36.
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 (6)
1. An automatic new energy charging pile comprises a foundation (1) and is characterized in that a collecting pit hole (2) is formed in the foundation (1), brick-mixed side walls (3) are arranged on the inner side walls of the collecting pit hole (2), a protective shell (4) is arranged between the brick-mixed side walls (3), a base (5) is arranged at the bottom of the protective shell (4), an electric pile body (6) is arranged in the base (5), a lifting mechanism (7) matched with the electric pile body (6) is arranged on the base (5), a top protection mechanism (20) matched with the protective shell is arranged at the upper end of the protective shell (4), the top protection mechanism (20) comprises a first cover plate (21) and a second cover plate (22) which are arranged at the top opening of the protective shell (4), hinges (23) are arranged at the joints of the first cover plate (21) and the second cover plate (22) and the protective shell (4), apron one (21) and apron two (22) are articulated each other through hinge (23) and protective housing (4), the butt joint department of apron one (21) and apron two (22) is crisscross to be provided with bull stick (24), be provided with pulley (25) on bull stick (24), the butt joint department of apron one (21) and apron two (22) is crisscross to have seted up interlock groove (26), interlock groove (26) and pulley (25) phase-match, seted up on electric pile body (6) with pulley (25) assorted race (38), top protection machanism (20) still include with apron one (21) and apron two (22) assorted hold-down mechanism (27), the upper end of taking in pothole (2) is provided with assorted drainage mechanism (34) with it.
2. The automatic new energy charging pile according to claim 1, wherein the pressing mechanism (27) comprises a pair of first connecting blocks (28) arranged on the protective shell (4), the first connecting blocks (28) correspond to the first cover plate (21) and the second cover plate (22), a supporting rod (29) is hinged to the first connecting blocks (28), a second connecting block (30) is hinged to one end, far away from the first connecting blocks (28), of the supporting rod (29), the pressing mechanism (27) further comprises a pair of spring cavities (31) arranged on the first cover plate (21) and the second cover plate (22), the second connecting blocks (30) are matched with the spring cavities (31), limiting round rods (32) are embedded into the spring cavities (31), the second connecting blocks (30) are movably sleeved on the limiting round rods (32), and springs (33) are arranged between the second connecting blocks (30) and the spring cavities (31), the spring (33) is sleeved on the outer wall of the limiting round rod (32).
3. The automatic new energy charging pile according to claim 1, wherein the lifting mechanism (7) comprises a pair of limiting grooves (8) formed in a protective shell (4), a screw rod (9) and a sliding rod (10) are embedded in the pair of limiting grooves (8) respectively, a frame plate (11) is arranged between the screw rod (9) and the sliding rod (10), a pair of limiting sliders (12) are arranged on the frame plate (11), the pair of limiting sliders (12) are sleeved with the screw rod (9) and the sliding rod (10) respectively, the electric pile body (6) is fixedly connected to the frame plate (11), one end of the screw rod (9) penetrates through the limiting grooves (8) and is provided with a driven gear (13), and the lifting mechanism (7) further comprises a driving mechanism (14) matched with the driven gear (13).
4. The automatic new energy charging pile according to claim 3, wherein the driving mechanism (14) comprises a protective shell (15) arranged on a foundation (1), a motor (16) is arranged in the protective shell (15), a driving gear (17) is coaxially and fixedly connected to an output end of the motor (16), the driving gear (17) is meshed with the driven gear (13), and a switch for operating the motor (16) is arranged at the top of the protective shell (15).
5. The automatic change new forms of energy stake of charging of claim 4, characterized in that, the switch spare is including welding in water retaining top frame (18) on protecting crust (15), be provided with foot-operated switch (19) in water retaining top frame (18), the surface of foot-operated switch (19) is provided with anti-skidding line.
6. The automatic new energy charging pile according to claim 1, wherein the drainage mechanism (34) comprises four water filter plates (35) erected on the brick-concrete side wall (3), the water filter plates (35) and the protective shell (4) are provided with water filter holes, a drainage inclined pipe (36) is arranged at the bottom of the brick-concrete side wall (3) in a penetrating manner, a drainage main pipe (37) is connected below the drainage inclined pipe (36) in a penetrating manner, and the drainage inclined pipe (36) and the drainage main pipe (37) are buried in the foundation (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120298732.9U CN214189368U (en) | 2021-02-03 | 2021-02-03 | Automatic change new forms of energy and fill electric pile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120298732.9U CN214189368U (en) | 2021-02-03 | 2021-02-03 | Automatic change new forms of energy and fill electric pile |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214189368U true CN214189368U (en) | 2021-09-14 |
Family
ID=77638858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120298732.9U Active CN214189368U (en) | 2021-02-03 | 2021-02-03 | Automatic change new forms of energy and fill electric pile |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214189368U (en) |
-
2021
- 2021-02-03 CN CN202120298732.9U patent/CN214189368U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1131457A (en) | Method for erection of a temporary bridge, etc. and a pile means therefor | |
CN101619573B (en) | Machine for forming underground continuous water-retaining walls by one step | |
DE102009023466A1 (en) | Method and device for creating an underwater foundation of a building | |
CN105908793B (en) | Dredger guide pile freely falling body throws stake device | |
CN107654048A (en) | A kind of efficient dabbing device of concrete wall surface | |
CN214189368U (en) | Automatic change new forms of energy and fill electric pile | |
CN210834242U (en) | Concrete road detects uses coring device | |
CN209498106U (en) | A kind of afforestation project planting of plants device | |
CN114508044A (en) | Highway bridge pier anti-settlement device | |
CN215594186U (en) | Pipe pit backfilling device for road construction | |
CN214832554U (en) | Hydraulic rammer compactor for construction site | |
CN213173807U (en) | Retaining wall for hydraulic engineering | |
CN212533925U (en) | Flood prevention wall for urban waterfront landscape area | |
CN216948494U (en) | Coal mine dredging equipment | |
CN209218585U (en) | A kind of novel greening engineering excavating equipment | |
CN218287472U (en) | Automatic drainage function underground setting fills electric pile | |
CN210766723U (en) | Rod pit tamping device for electric power engineering | |
CN221837379U (en) | Portable road surface repairing device for bridge deck overhaul of bridge engineering | |
CN214993879U (en) | Integrated stone throwing device for tamping | |
CN218479105U (en) | Ecological slope protection device for river channel | |
CN215829569U (en) | Intelligent garage drainage system | |
CN220848323U (en) | Concrete slide plate structure with auxiliary function | |
CN114751342B (en) | Auxiliary device for mountain body treatment slope greening construction and application method thereof | |
CN214832354U (en) | Novel flood prevention drainage body | |
CN220565317U (en) | Excavation equipment for water conservancy construction |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |