CN219046370U - Dustproof ventilative low-voltage board - Google Patents
Dustproof ventilative low-voltage board Download PDFInfo
- Publication number
- CN219046370U CN219046370U CN202320044359.3U CN202320044359U CN219046370U CN 219046370 U CN219046370 U CN 219046370U CN 202320044359 U CN202320044359 U CN 202320044359U CN 219046370 U CN219046370 U CN 219046370U
- Authority
- CN
- China
- Prior art keywords
- plate
- cavity
- dustproof
- baffle
- ventilation
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The dustproof ventilation device comprises an outer frame body fixedly connected with the cabinet body and a dustproof plate detachably inserted into the outer frame body; the outer frame body comprises an inner plate, an outer plate, three side plates which are in sealing connection with the inner plate and the outer plate, the inner plate, the outer plate and the side plates form a side inserting opening cavity for inserting the dustproof plate, the inner plate is provided with an inner through hole which is communicated with the inside of the cabinet body and the side inserting opening cavity, the outer plate is provided with an outer transverse hole which is communicated with the side inserting opening cavity and the outside, an outer baffle is hinged to a cavity opening of the side inserting opening cavity, the outer baffle is elastically closed through an elastic reset piece which is arranged at the cavity opening of the side inserting opening cavity, an inner baffle which is positioned in the side inserting opening cavity is movably hinged to the outer end of the outer baffle, and the inner baffle is provided with an inner transverse hole which is matched with the inner through hole and the outer transverse hole.
Description
Technical Field
The utility model relates to the field of low-voltage cabinets, in particular to a dustproof and breathable low-voltage cabinet.
Background
The power distribution cabinet is used for power conversion and control of power, illumination and distribution, is a power supply control cabinet of a power system, and is divided into outdoor and indoor low-voltage power distribution cabinets. At present, along with the rapid development of economy in China, environmental problems are serious, dust, catkin, solid particles and some small insects enter an electronic switching device in a cabinet body, more and more dust is accumulated in the power distribution cabinet, heat dissipation of equipment can be seriously affected, if the humidity is high, the dust can be firmly stuck to an electronic circuit board and the inside of the switching device, and certain corrosion can be caused to the device, so that the equipment cannot work normally.
The utility model discloses a dustproof low-voltage distribution cabinet as in the prior art as 2017201696156, it specifically discloses a weather shield including the cabinet body, cabinet door and rigid coupling in cabinet body top, the weather shield includes inner panel and planking, be provided with the cavity between inner panel and the planking, a plurality of bleeder vent has evenly been seted up to the lower extreme on planking both sides surface, and be provided with the sunshade on the planking and the upper end at the bleeder vent, the outer end of cabinet door just articulates on the cabinet body has the window door, be provided with the dust guard between window door and cabinet door, be provided with the dust screen on the dust guard, reached low-voltage distribution cabinet and had dustproof effect.
The low-voltage power distribution cabinet realizes the totally-enclosed dustproof effect on the cabinet body through the dustproof net, but is not beneficial to ventilation of the power distribution cabinet. The current dust entering is actually mainly through the bleeder vent and get into the switch board inside, and the cabinet door is because be in the closed state for a long time, consequently is difficult to lead to the entering of dust, so under the ventilative circumstances, how to be through the dustproof technical problem to the bleeder vent that this application will solve.
Disclosure of Invention
In order to solve the problems, the utility model provides a dustproof and breathable low-voltage cabinet which comprises:
the dustproof ventilation device comprises an outer frame body fixedly connected with the cabinet body and a dustproof plate detachably inserted into the outer frame body;
the outer frame body comprises an inner plate, an outer plate and three side plates which are in sealing connection with the inner plate and the outer plate, wherein the inner plate, the outer plate and the side plates form a side inserting opening cavity for inserting the dust guard, the inner plate is provided with an inner through hole which is communicated with the inside of the cabinet body and the side inserting opening cavity, the outer plate is provided with an outer transverse hole which is communicated with the side inserting opening cavity and the outside, an outer baffle is hinged at a cavity opening of the side inserting opening cavity, the outer baffle elastically closes the cavity opening of the side inserting opening cavity through an elastic reset piece, the outer end of the outer baffle is movably hinged with an inner baffle which is positioned in the side inserting opening cavity, and the inner baffle is provided with an inner transverse hole which is matched with the inner through hole and the outer transverse hole; when the dustproof plate is not inserted into the side-inserted opening cavity, the inner baffle is tightly attached and sealed with the inner plate of the side-inserted opening cavity under the elastic acting force of the elastic resetting piece, and the inner transverse hole and the inner through hole are mutually staggered and isolated; when the dustproof plate is inserted into the side-inserted opening cavity, the outer baffle plate and the inner baffle plate are extruded and flattened by the dustproof plate, the outer baffle plate and the inner baffle plate are clung to the outer plate in the side-inserted opening cavity, and the inner transverse hole and the outer transverse hole are correspondingly communicated with each other.
Preferably, the elastic resetting piece is an elastic foam layer arranged in the outer baffle, the outer frame body outer wall and the inner baffle, the elastic foam layer generates elastic acting force on the outer baffle and the inner baffle, a gear bulge fixedly connected with the surface of the cabinet body is arranged at a cavity opening of the side-inserted open cavity, and the gear bulge and the end face of the outer baffle, which is close to one side of the cabinet body, form limit fit, so that the opposite side-inserted open cavity of the outer baffle is prevented from being turned outwards.
Preferably, one side of the outer baffle plate, which is close to the outer plate, is provided with an outwards-protruding positioning protruding part, and the positioning protruding part and a positioning sliding groove formed in the dust-proof plate form limit fit.
Preferably, the positioning protruding portion is made of magnetic metal, the dust-proof plate comprises a dust-proof net and a fixing plate fixedly connected with one end of the dust-proof net, the middle of the dust-proof net is provided with an axially extending positioning sliding groove, the fixing plate and the positioning protruding portion form magnetic attraction limiting cooperation, and the fixing plate and a cavity opening of the side-inserted open cavity form blocking cooperation.
Preferably, the gear bulge and the track groove arranged on the dust guard form limit sliding fit.
Preferably, the rain shielding cover comprises an inner top plate, an outer cover plate and a fan, a ventilation cavity for accommodating the fan is arranged between the inner top plate and the outer cover plate, the ventilation cavity is communicated with the inside of the cabinet body through the fan, the outer cover plate comprises an upper cover part, a side plate part connected with the periphery of the upper cover part and a horizontal ventilation plate connected with the inner side of the lower end of the side plate part, the horizontal ventilation plate is provided with an upper ventilation hole communicated with the ventilation cavity, the horizontal ventilation plate is lower than the upper end of the cabinet body, and the side air cavity communicated with the ventilation cavity is formed in the outer side of the upper part of the side plate part, the horizontal ventilation plate and the outer side of the upper part of the cabinet body. Air in the cabinet body enters the ventilation cavity from the fan and is discharged outwards from the ventilation cavity to the upper ventilation holes at the lower ends of the side air cavities on the sides.
Preferably, the upper end of the inner top plate is provided with a ventilation groove for accommodating the fan, a plurality of supporting pieces protruding upwards are arranged around the ventilation groove, and the supporting pieces are fixedly connected with the upper end of the cabinet body and the inner wall of the upper cover part. The height of the side air cavity is prolonged, and the dustproof effect is improved.
Preferably, the side air chambers can be provided with corresponding dustproof foam cotton.
The beneficial effects are that: when the dustproof plate is not inserted into the side-inserted opening cavity, the inner baffle is tightly sealed with the inner plate of the side-inserted opening cavity under the elastic acting force of the elastic resetting piece, the inner transverse hole and the inner through hole are mutually staggered and isolated, and external dust can pass through the outer transverse hole of the outer plate, but because the inner transverse hole and the inner through hole are mutually staggered and isolated, the dust cannot enter the cabinet body through the inner through hole.
When the dustproof plate is inserted into the side-inserted opening cavity, the outer baffle plate and the inner baffle plate are extruded and flattened by the dustproof plate, the outer baffle plate and the inner baffle plate are clung to the outer plate in the side-inserted opening cavity, the inner transverse hole is communicated with the outer transverse hole in a mutually corresponding mode, at the moment, outside air firstly sequentially passes through the outer transverse hole and the inner transverse hole to enter the side-inserted opening cavity, and after being blocked by the dustproof plate, the air in the side-inserted opening cavity enters the cabinet body through the inner through hole.
Drawings
Fig. 1 is a schematic perspective view of an embodiment.
Fig. 2 is a schematic front view of an embodiment.
Fig. 3 is a bottom perspective view of an embodiment.
Fig. 4 is a cross-sectional internal view of an embodiment.
Fig. 5 is a schematic structural view of the outer frame.
Fig. 6 is a schematic cross-sectional view of a dust-proof ventilation device.
Fig. 7 is a cross-sectional view of the dustproof ventilation device.
Fig. 8 is a schematic diagram of the dustproof ventilation device in a closed state.
Fig. 9 is a schematic diagram of the dustproof ventilation device in a ventilation and dustproof state.
Fig. 10 is a schematic structural view of the dust guard.
Reference numerals: 1. a cabinet body; 2. a cabinet door; 3. a rain cover; 4. a dustproof ventilation device; 5. an outer frame body; 51. an outer plate; 52. an inner plate; 53. a side plate; 6. a dust-proof plate; 7. an inner through hole; 8. a side-inserted open cavity; 9. an outer transverse hole; 10. an outer baffle; 11. an inner baffle; 12. an inner transverse hole; 13. an elastic foam layer; 14. a gear projection; 15. positioning the protruding part; 16. positioning a chute; 17. a dust screen; 18. a fixing plate; 19. an inner top plate; 20. an outer cover plate; 21. a blower; 22. a ventilation chamber; 23. an upper cover part; 24. a side plate portion; 25. a horizontal ventilation plate; 26. an upper vent hole; 27. a side air chamber; 28. a ventilation groove; 29. a support; 30. a track groove.
Detailed Description
The utility model will be further described with reference to the accompanying figures 1-10 and examples.
Examples: a dustproof and breathable low-voltage cabinet comprises a cabinet body 1, a cabinet door 2 and a rain cover 3 fixedly installed above the cabinet body 1. The dustproof ventilation device 4 is arranged on two sides of the cabinet body 1, and the dustproof ventilation device 4 comprises an outer frame body 5 fixedly connected with the cabinet body 1 and a dustproof plate 6 detachably inserted into the outer frame body 5.
The outer frame 5 comprises an inner plate 52, an outer plate 51 and three side plates 53 which are connected with the inner plate 52 and the outer plate 51 in a sealing way, the side plates 53 are enclosed at three side positions of the inner plate 52 and the outer plate 51, and the inner plate 52, the outer plate 51 and the side plates 53 form a side inserting opening cavity 8 for inserting the dust-proof plate 6. The inner plate 52 is provided with an inner through hole 7 for communicating the interior of the cabinet body 1 with the side insertion opening cavity 8, and the outer plate 51 is provided with an outer transverse hole 9 for communicating the side insertion opening cavity 8 with the outside. The outer baffle 10 is hinged at the cavity opening of the side-inserted opening cavity 8, the cavity opening of the side-inserted opening cavity 8 is elastically closed by an elastic reset piece, the outer end of the outer baffle 10 is movably hinged with the inner baffle 11 positioned in the side-inserted opening cavity 8, the inner baffle 11 is positioned between the inner plate 52 and the outer plate 51, and the inner baffle 11 is provided with the inner transverse hole 12 adapting to the inner through hole 7 and the outer transverse hole 9.
The elastic resetting piece is an elastic foam layer 13 arranged in the outer baffle 10, the outer wall of the outer frame body 5 and the inner baffle 11, the elastic foam layer 13 generates elastic acting force for outwards turning the outer baffle 10, and the elastic foam layer 13 generates elastic acting force for the inner baffle 11 to be clung to the inner plate 52. The inner barrier 11 and the outer barrier 10 are elastically held such that the inner barrier 11 and the outer barrier 10 are maintained in a vertical state. The cavity mouth of the side-inserted opening cavity 8 is provided with a gear bulge 14 fixedly connected with the surface of the cabinet body 1, and the gear bulge 14 and the outer end face of the outer baffle 10, which is close to one side of the cabinet body 1, form limit fit, so that the side-inserted opening cavity 8 on the opposite side of the outer baffle 10 is prevented from being turned outwards.
The outer baffle 10 is provided with a positioning protruding part 15 protruding outwards near one side of the outer plate 51, and the positioning protruding part 15 and a positioning sliding groove 16 arranged on the dust-proof plate 6 form a limiting fit. The positioning protruding portion 15 is made of magnetic metal.
The dust guard 6 is provided with a track groove 30 which forms a limit sliding fit with the gear projection 14. The dustproof plate 6 comprises a dustproof net 17 and a fixed plate 18 fixedly connected with one end of the dustproof net 17, the middle of the dustproof net 17 is provided with an axially extending positioning chute 16, the fixed plate 18 and the positioning boss 15 form magnetic attraction limiting cooperation, and the fixed plate 18 and the cavity mouth of the side-inserted opening cavity 8 form blocking cooperation.
The rain shielding cover 3 comprises an inner top plate 19, an outer cover plate 20 and a fan 21, a ventilation cavity 22 for accommodating the fan 21 is arranged between the inner top plate 19 and the outer cover plate 20, the ventilation cavity 22 is communicated with the inside of the cabinet body 1 through the fan 21, the outer cover plate 20 comprises an upper cover part 23, a side plate part 24 connected with the periphery of the upper cover part 23 and a horizontal ventilation plate 25 connected with the inner side of the lower end of the side plate part 24, the horizontal ventilation plate 25 is provided with an upper ventilation hole 26 communicated with the ventilation cavity 22, the horizontal ventilation plate 25 is lower than the upper end of the cabinet body 1, and the side plate part 24, the horizontal ventilation plate 25 and the outer side of the upper part of the cabinet body 1 form a side air cavity 27 communicated with the ventilation cavity 22. Air in the cabinet 1 enters the ventilation cavity 22 from the fan 21, and is discharged outwards from the ventilation cavity 22 to the upper ventilation holes 26 at the lower ends of the side air cavities 27 at the peripheral side edges. The upper end of the inner top plate 19 is provided with a ventilation groove 28 for accommodating the fan 21, a plurality of supporting pieces 29 protruding upwards are arranged around the ventilation groove 28, and the supporting pieces 29 are fixedly connected with the upper end of the cabinet body 1 and the inner wall of the upper cover part 23. The height of the side air chamber 27 is lengthened, and the dust-proof effect is improved.
Operation principle: as shown in fig. 6 and 8, when the dust-proof plate 6 is not inserted into the side-insertion opening cavity 8, the inner baffle 11 is closely sealed with the inner plate 52 of the side-insertion opening cavity 8 by the elastic force of the elastic restoring member, the inner cross hole 12 and the inner through hole 7 are separated from each other by dislocation, and external dust can pass through the outer cross hole 9 of the outer plate 51, but since the inner cross hole 12 and the inner through hole 7 are separated from each other by dislocation, it is impossible to pass through the inner baffle 11 into the cabinet 1.
As shown in fig. 9, when the dustproof plate 6 is inserted into the side-inserted opening cavity 8, the outer baffle plate 10 and the inner baffle plate 11 are extruded and flattened by the dustproof plate 6, the outer baffle plate 10 and the inner baffle plate 11 are clung to the outer plate 51 in the side-inserted opening cavity 8, the inner transverse hole 12 and the outer transverse hole 9 are correspondingly communicated with each other, at this time, the outside air firstly passes through the outer transverse hole 9 and the inner transverse hole 12 in turn and enters the side-inserted opening cavity 8, and after being blocked by the dustproof plate 6, the air in the side-inserted opening cavity 8 enters the cabinet body 1 through the inner through hole 7. The two dustproof ventilation devices 4 can be used for ventilation of the cabinet body 1, and ventilation of air can be performed through the upper ventilation holes 26 of the rain cover 3.
Claims (7)
1. The utility model provides a dustproof ventilative low-voltage board, includes cabinet body (1), cabinet door (2) and fixed mounting in weather shield (3) of cabinet body (1) top, its characterized in that: the dustproof ventilation device (4) is arranged on two sides of the cabinet body (1), and the dustproof ventilation device (4) comprises an outer frame body (5) fixedly connected with the cabinet body (1) and a dustproof plate (6) detachably inserted into the outer frame body (5);
the outer frame body (5) comprises an inner plate (52), an outer plate (51), three side plates (53) which are connected with the inner plate (52) and the outer plate (51) in a sealing mode, the inner plate (52), the outer plate (51) and the side plates (53) form a side inserting opening cavity (8) for inserting the dustproof plate (6), the inner plate (52) is provided with an inner through hole (7) which is communicated with the inside of the cabinet body (1) and the side inserting opening cavity (8), the outer plate (51) is provided with an outer transverse hole (9) which is communicated with the side inserting opening cavity (8) and the outside, an outer baffle (10) is hinged at a cavity opening of the side inserting opening cavity (8), the cavity opening of the side inserting opening cavity (8) is elastically closed through an elastic reset piece, an inner baffle (11) which is positioned in the side inserting opening cavity (8) is movably hinged at the outer end of the outer baffle (10), and the inner baffle (11) is provided with an inner transverse hole (12) which is matched with the inner through hole (7) and the outer transverse hole (9);
when the dustproof plate (6) is not inserted into the side-inserted opening cavity (8), the inner baffle (11) is tightly sealed with the inner plate (52) of the side-inserted opening cavity (8) under the elastic action of the elastic resetting piece, and the inner transverse hole (12) and the inner through hole (7) are separated in a staggered manner; when the dustproof plate (6) is inserted into the side-inserted opening cavity (8), the outer baffle plate (10) and the inner baffle plate (11) are extruded and flattened by the dustproof plate (6), the outer baffle plate (10) and the inner baffle plate (11) are clung to the outer plate (51) in the side-inserted opening cavity (8), and the inner transverse hole (12) and the outer transverse hole (9) are correspondingly communicated with each other.
2. A dustproof breathable low-voltage cabinet according to claim 1, characterized in that: the elastic resetting piece is an elastic foam layer (13) arranged in the outer baffle (10), the outer wall of the outer frame body (5) and the inner baffle (11), the elastic foam layer (13) generates elastic acting force on the outer baffle (10) and the inner baffle (11), a gear bulge (14) fixedly connected with the surface of the cabinet body (1) is arranged at a cavity opening of the side inserting opening cavity (8), and the gear bulge (14) and the end face of one side, close to the cabinet body (1), of the outer baffle (10) form limit fit.
3. A dustproof breathable low-voltage cabinet according to claim 2, characterized in that: the outer baffle (10) is close to outer board (51) one side and is equipped with outwards bellied location bellying (15), location bellying (15) constitute spacing cooperation with location spout (16) that dust guard (6) were equipped with.
4. A dustproof breathable low-voltage cabinet according to claim 3, characterized in that: the positioning protruding portion (15) is made of magnetic metal, the dust-proof plate (6) comprises a dust-proof net (17) and a fixing plate (18) fixedly connected with one end of the dust-proof net (17), the middle of the dust-proof net (17) is provided with an axially extending positioning sliding groove (16), the fixing plate (18) and the positioning protruding portion (15) form magnetic attraction limiting cooperation, and the fixing plate (18) and a cavity opening of the side-inserted opening cavity (8) form blocking cooperation.
5. The dustproof breathable low-voltage cabinet according to claim 4, wherein: the gear bulge (14) and a track groove (30) arranged on the dust guard (6) form limit sliding fit.
6. A dustproof breathable low-voltage cabinet according to claim 1, characterized in that: the rain shielding cover (3) comprises an inner top plate (19), an outer cover plate (20) and a fan (21), a ventilation cavity (22) for accommodating the fan (21) is arranged between the inner top plate (19) and the outer cover plate (20), the ventilation cavity (22) is communicated with the inside of the cabinet body (1) through the fan (21), the outer cover plate (20) comprises an upper cover part (23), a side plate part (24) connected with the periphery of the upper cover part (23) and a horizontal ventilation plate (25) connected with the inner side of the lower end of the side plate part (24), the horizontal ventilation plate (25) is provided with an upper ventilation hole (26) communicated with the ventilation cavity (22), the horizontal ventilation plate (25) is lower than the upper end of the cabinet body (1), and the side plate part (24), the horizontal ventilation plate (25) and the outer side of the upper part of the cabinet body (1) form a side air cavity (27) communicated with the ventilation cavity (22).
7. The dustproof breathable low-voltage cabinet according to claim 6, wherein: the upper end of the inner top plate (19) is provided with a ventilation groove (28) for accommodating the fan (21), a plurality of supporting pieces (29) protruding upwards are arranged around the ventilation groove (28), and the supporting pieces (29) are fixedly connected with the upper end of the cabinet body (1) and the inner wall of the upper cover part (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320044359.3U CN219046370U (en) | 2023-01-06 | 2023-01-06 | Dustproof ventilative low-voltage board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320044359.3U CN219046370U (en) | 2023-01-06 | 2023-01-06 | Dustproof ventilative low-voltage board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219046370U true CN219046370U (en) | 2023-05-19 |
Family
ID=86319585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320044359.3U Active CN219046370U (en) | 2023-01-06 | 2023-01-06 | Dustproof ventilative low-voltage board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219046370U (en) |
-
2023
- 2023-01-06 CN CN202320044359.3U patent/CN219046370U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111431047A (en) | Sealable dustproof power distribution cabinet based on electromagnetic induction principle | |
| CN217589954U (en) | Novel low-voltage draw-out type switch cabinet | |
| CN219046370U (en) | Dustproof ventilative low-voltage board | |
| CN201726618U (en) | Waterproof and dustproof case | |
| CN210224745U (en) | Ventilation type switch board | |
| CN212258109U (en) | Dustproof effectual electric power cabinet | |
| CN211208960U (en) | Cubical switchboard heat radiation structure | |
| CN208336828U (en) | A kind of switchgear | |
| CN217036419U (en) | Cubical switchboard convenient to heat dissipation | |
| CN215582196U (en) | Case with anti-creeping function | |
| CN112542789A (en) | Novel outdoor distribution box | |
| CN219843283U (en) | Outdoor waterproof type switch board | |
| CN216752449U (en) | Novel mining flame-proof and intrinsic safety type programmable control box | |
| CN216929360U (en) | Outdoor switch box convenient to it is waterproof | |
| CN219834122U (en) | Anti-interference audio receiver | |
| CN217589909U (en) | Dustproof distribution box | |
| CN221263915U (en) | Computer network safety isolation device | |
| CN210536116U (en) | Low-voltage switch cabinet | |
| CN219717532U (en) | Vertical dampproofing direct current screen | |
| CN211351435U (en) | Ventilation device for box-type substation | |
| CN219576270U (en) | Intelligent electric shock-preventing power distribution switch control device | |
| CN218941529U (en) | Intelligent heat-dissipation dustproof waterproof self-cleaning environmental control system | |
| CN216084660U (en) | High-voltage relay shielding device | |
| CN210430651U (en) | Heat dissipation type high tension switchgear | |
| CN215934226U (en) | Distribution control cabinet with automatic dehumidification function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |