CN209929841U - Air insulation type vacuum ring main unit - Google Patents
Air insulation type vacuum ring main unit Download PDFInfo
- Publication number
- CN209929841U CN209929841U CN201920864944.1U CN201920864944U CN209929841U CN 209929841 U CN209929841 U CN 209929841U CN 201920864944 U CN201920864944 U CN 201920864944U CN 209929841 U CN209929841 U CN 209929841U
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- Prior art keywords
- screw rod
- cabinet body
- barrel
- push plate
- air insulation
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- Expired - Fee Related
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- 238000009413 insulation Methods 0.000 title claims abstract description 31
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
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Abstract
The utility model relates to an air insulation formula vacuum looped netowrk cabinet, this air insulation formula vacuum looped netowrk cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body, the upper portion of the cabinet body is equipped with sealed air insulation box, and the lower part is equipped with the cable chamber, is equipped with vacuum circuit breaker module and isolation/ground connection three station modules in the sealed air insulation box, sealed air insulation box is inside to be equipped with the vortex device, and the vortex device includes first barrel and second barrel, and first barrel and second barrel are located the inside left and right sides of sealed air insulation box respectively, and the lower extreme right side of first barrel is equipped with first opening, and the lower extreme left side of second barrel is equipped with the second opening; the turbulence device is connected with the driving device at the top of the cabinet body; the utility model discloses the business turn over through the inside air of two barrels produces the air current in inclosed sealed air insulation box, makes to produce the air current in the sealed air insulation box and flows, avoids the heat to concentrate, dispersion heat.
Description
Technical Field
The utility model belongs to the technical field of the looped netowrk cabinet, concretely relates to air insulation formula vacuum looped netowrk cabinet.
Background
The ring main unit is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like. The ring network is a ring distribution network, namely a power supply main line forms a closed ring, a power supply supplies power to the ring main line, and the power is distributed outwards from the main line through a high-voltage switch all the way. This has the advantage that each power distribution branch can take power from both its left and right side rails. When the left main line fails, the left main line is continuously supplied with power from the right main line, and when the right main line fails, the right main line is continuously supplied with power from the left main line, so that the utility of the total power supply is similar to that of the two-way power supply, although the total power supply is one-way power supply, and the reliability of the power supply is improved.
The ring main unit is a switch cabinet (outlet switch cabinet) arranged on each power distribution branch, and a bus of the switch cabinet is a part of a ring main line at the same time. That is, the ring trunk is formed by connecting the buses of each outlet cabinet. Each outgoing line cabinet is called a ring main unit.
The normal-pressure sealed air-insulated ring main unit is insulated in a vacuum arc extinguishing mode, is not in a SF6 greenhouse gas + fuse structure, does not need to be inflated, does not need to be replaced, is free from maintenance and low in energy consumption, and meets the requirement of green power; but because the interior seal structure that adopts of cabinet, consequently inside air is in complete quiescent condition, and the heat that the inside device gived off can not give off, can concentrate in the space around the device, reduces operating stability, reduces inside device life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an avoid the air insulation formula vacuum looped netowrk cabinet that the heat is concentrated in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
an air insulation type vacuum ring main unit comprises a cabinet body, wherein a sealed air insulation box body is arranged at the upper part of the cabinet body, a cable chamber is arranged at the lower part of the cabinet body, a vacuum circuit breaker module and an isolation/grounding three-station module are arranged in the sealed air insulation box body, a turbulence device is arranged in the sealed air insulation box body and comprises a first barrel and a second barrel, the first barrel and the second barrel are respectively arranged at the left side and the right side of the inside of the sealed air insulation box body, a first opening is arranged at the right side of the lower end of the first barrel, and a second opening is arranged at the left side of the lower end of the second;
a first screw rod, a first push plate and a first corrugated pipe are arranged inside the first barrel, the first screw rod is arranged in the center of the first barrel, the top end of the first screw rod penetrates through the cabinet body and extends to the upper side of the cabinet body, the lower end of the first screw rod is connected with the first push plate, the top of the first push plate is fixedly connected with the lower end of the first corrugated pipe, the upper end of the first corrugated pipe is fixedly connected with the cabinet body at the top of the first barrel, a nut is fixedly arranged on the cabinet body at the top of the first barrel, and the nut is sleeved on the first screw rod and is in threaded connection with the first screw rod; when the first screw rod rotates, the first screw rod can move up and down under the action of the screw thread of the nut, so that the first push plate is driven to move up and down, air is driven to flow out or in from the first opening of the first cylinder, and the first corrugated pipe can keep the air not to leak out of the sealed air insulation box body while the first push plate moves up and down;
a second screw rod, a second push plate, a second corrugated pipe and a spring are arranged in the second barrel, the second screw rod is arranged in the center of the second barrel, the top end of the second screw rod penetrates through the cabinet body and extends to the upper side of the cabinet body, the lower end of the second screw rod is connected with the second push plate, the top of the second push plate is fixedly connected with the upper end of the second corrugated pipe, the upper end of the second corrugated pipe is fixedly connected with the cabinet body at the top of the second barrel, the spring is arranged at the bottom of the second push plate, the upper end of the spring is fixedly connected with the second push plate, and the lower end of the spring is fixedly connected; a nut is fixedly arranged on the cabinet body at the top of the second barrel, is sleeved on the second screw rod and is in threaded connection with the second screw rod; when the second screw rod rotates, the second screw rod can move up and down due to the action of the screw thread of the nut, so that the second push plate is driven to move up and down, and air is driven to flow out or in from the second opening of the second cylinder; the second bellows can keep gaseous can not reveal away from sealed air insulation box when the second push pedal reciprocates, and the spring can assist the second push pedal rebound.
The drive arrangement at cabinet body top is connected to vortex device, drive arrangement includes the motor, driving pulley, driven pulleys, the jackshaft, driving gear and driven gear, the motor passes through the motor cabinet to be installed in the top of the cabinet body, the output shaft of motor passes through the top of the first screw rod of coupling joint, be equipped with driving pulley on the output shaft of motor, this driving pulley passes through the belt and connects the epaxial driven pulleys of jackshaft, the jackshaft passes through the bearing and connects the cabinet body, the fixed driving gear that is equipped with on the jackshaft, driven gear meshing on driving gear and the second screw rod. The motor drives the first screw rod and the driving belt wheel to rotate, the driving belt wheel drives the driven gear and the intermediate shaft to rotate through the belt, the intermediate shaft rotates to drive the driving gear to rotate, the driving gear drives the driven gear and the second screw rod to rotate through gear transmission, and the direction of the second screw rod is opposite to that of the first screw rod due to the fact that the second screw rod is in gear transmission.
As a further optimization scheme of the utility model, the both ends of first barrel and second barrel all with cabinet body fixed connection. The first barrel and the cabinet body and the second barrel and the cabinet body are connected in a sealing mode and can be sealed through sealing glue.
As a further optimization scheme of the utility model, the top of the cabinet body is equipped with the through-hole with first screw rod and second screw rod clearance fit.
As a further optimization scheme of the utility model, first bellows and first barrel clearance fit, second bellows and second barrel clearance fit. The diameter of the first corrugated pipe after maximum deformation is smaller than the inner diameter of the first cylinder, and the second corrugated pipe is the same as the second cylinder.
As the utility model discloses a further optimization scheme, the bottom of first screw rod is passed through rotary connection device and is connected with first push pedal, and rotary connection device includes the connecting seat, and the top of connecting seat be equipped with first screw rod clearance fit's blind hole, the bottom of this blind hole be equipped with outside extension's annular, the lower extreme of first screw rod be equipped with annular complex annular protruding. The annular bulge is embedded in the annular groove, and can restrict the first screw rod to break away from the first push plate when not influencing the rotation between the first screw rod and the first push plate.
As the utility model discloses a further optimization scheme, the bottom of second screw rod is passed through rotary connection device and is connected with the second push pedal, and rotary connection device includes the connecting seat, and the top of connecting seat be equipped with second screw rod clearance fit's blind hole, the bottom of this blind hole be equipped with outside extension's annular, the lower extreme of second screw rod be equipped with annular complex annular protruding. The annular bulge is embedded in the annular groove, and can restrict the second screw rod to break away from the second push plate while not influencing the rotation between the second screw rod and the second push plate.
The beneficial effects of the utility model reside in that:
1) the utility model discloses the business turn over through the inside air of two barrels produces the air current in inclosed sealed air insulation box, makes to produce the air current in the sealed air insulation box and flows, avoids the heat to concentrate, dispersion heat.
Drawings
Fig. 1 is a schematic structural diagram of the present invention in the first embodiment;
fig. 2 is a schematic structural diagram of a first cylinder according to the first embodiment of the present invention;
fig. 3 is a schematic structural view of a second cylinder according to the first embodiment of the present invention.
In the figure: the vacuum circuit breaker comprises a cabinet body 1, a sealed air insulation box body 2, a cable chamber 3, a vacuum circuit breaker module 4, an isolation/grounding three-station module 5, a first cylinder 6, a second cylinder 7, a first screw 8, a first push plate 9, a first corrugated pipe 10, a nut 11, a second screw 12, a second push plate 13, a second corrugated pipe 14, a spring 15, a motor 16, a driving belt wheel 17, a driven belt wheel 18, an intermediate shaft 19, a driving gear 20 and a driven gear 21.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.
Example one
As shown in fig. 1-3, an air-insulated vacuum ring main unit includes a cabinet body 1, a sealed air-insulated box body 2 is disposed at the upper part of the cabinet body 1, a cable chamber 3 is disposed at the lower part of the cabinet body, and a vacuum circuit breaker module 4 and an isolation/grounding three-station module 5 are disposed in the sealed air-insulated box body 2;
the turbulence device is arranged in the sealed air insulation box body 2 and comprises a first cylinder body 6 and a second cylinder body 7, the first cylinder body 6 and the second cylinder body 7 are respectively arranged on the left side and the right side of the inside of the sealed air insulation box body 2, a first opening is formed in the right side of the lower end of the first cylinder body 6, and a second opening is formed in the left side of the lower end of the second cylinder body 7;
a first screw 8, a first push plate 9 and a first corrugated pipe 10 are arranged inside the first barrel 6, the first screw 8 is arranged at the center of the first barrel 6, the top end of the first screw 8 penetrates through the cabinet body 1 and extends to the upper side of the cabinet body 1, the lower end of the first screw 8 is connected with the first push plate 9, the top of the first push plate 9 is fixedly connected with the lower end of the first corrugated pipe 10, the upper end of the first corrugated pipe 10 is fixedly connected with the cabinet body 1 at the top of the first barrel 6, a nut 11 is fixedly arranged on the cabinet body 1 at the top of the first barrel 6, and the nut 11 is sleeved on the first screw 8 and is in threaded connection with the first screw 8; when the first screw 8 rotates, the first screw moves up and down due to the action of the screw thread of the nut 11, so that the first push plate 9 is driven to move up and down, air is driven to flow out or in from the first opening of the first cylinder 6, and the first corrugated pipe 10 can keep the air not to leak out from the sealed air insulation box 2 while the first push plate 9 moves up and down;
a second screw 12, a second push plate 13, a second corrugated pipe 14 and a spring 15 are arranged inside the second cylinder 7, the second screw 12 is arranged at the center of the second cylinder 7, the top end of the second screw 12 penetrates through the cabinet body 1 and extends to the upper side of the cabinet body 1, the lower end of the second screw 12 is connected with the second push plate 13, the top of the second push plate 13 is fixedly connected with the upper end of the second corrugated pipe 14, the upper end of the second corrugated pipe 14 is fixedly connected with the cabinet body 1 at the top of the second cylinder 7, the spring 15 is arranged at the bottom of the second push plate 13, the upper end of the spring 15 is fixedly connected with the second push plate 13, and the lower end of the spring 15 is fixedly connected with the cabinet body; a nut 11 is fixedly arranged on the cabinet body 1 at the top of the second barrel 7, and the nut 11 is sleeved on a second screw 12 and is in threaded connection with the second screw 12; when the second screw 12 rotates, the second screw moves up and down due to the thread action with the nut 11, so that the second push plate 13 is driven to move up and down, and air is driven to flow out or in from the second opening of the second cylinder 7; the second bellows 14 can keep gas from leaking out of the sealed air-insulated case 2 while the second push plate 13 moves up and down, and the spring 15 can assist the second push plate 13 to move up.
The drive arrangement at 1 top of the cabinet body is connected to vortex device, drive arrangement includes motor 16, driving pulley 17, driven pulley 18, jackshaft 19, driving gear 20 and driven gear 21, motor 16 passes through 16 seats of motor and installs in the top of the cabinet body 1, the output shaft of motor 16 passes through the top of the first screw rod 8 of coupling joint, be equipped with driving pulley 17 on motor 16's the output shaft, this driving pulley 17 passes through driven pulley 18 on the belt connection jackshaft 19, jackshaft 19 passes through bearing connection cabinet body 1, the last fixed driving gear 20 that is equipped with of jackshaft 19, driving gear 20 meshes with driven gear 21 on the second screw rod 12. The motor 16 drives the first screw rod 8 and the driving belt wheel 17 to rotate, the driving belt wheel 17 drives the driven gear 21 and the intermediate shaft 19 to rotate through a belt, the intermediate shaft 19 drives the driving gear 20 to rotate, the driving gear 20 drives the driven gear 21 and the second screw rod 12 to rotate through gear transmission, and the rotation direction of the second screw rod 12 is opposite to that of the first screw rod 8 due to the fact that the second screw rod is in gear transmission.
In the above, the front part of the cabinet 1 is provided with an operation chamber.
Above-mentioned, the both ends of first barrel 6 and second barrel 7 all with cabinet body 1 fixed connection. The first cylinder 6 and the cabinet body 1, and the second cylinder 7 and the cabinet body 1 are connected in a sealing manner, and can be sealed by sealant.
Above-mentioned, the top of the cabinet body 1 is equipped with the through-hole with first screw rod 8 and second screw rod 12 clearance fit.
As described above, the first bellows 10 is loosely fitted to the first cylinder 6, and the second bellows 14 is loosely fitted to the second cylinder 7. The maximum deformed diameter of the first bellows 10 should be smaller than the inner diameter of the first cylinder 6, and the same holds true for the second bellows 14 as for the second cylinder 7.
Above-mentioned, the bottom of first screw rod 8 is passed through swivelling joint device and is connected with first push pedal 9, and swivelling joint device includes the connecting seat, and the top of connecting seat is equipped with the blind hole with 8 clearance fit of first screw rod, and the bottom of this blind hole is equipped with the annular of outside extension, and the lower extreme of first screw rod 8 is equipped with and annular complex annular is protruding. The annular protrusion is embedded in the annular groove, and the first screw rod 8 can be limited to be separated from the first push plate 9 while the rotation between the first screw rod 8 and the first push plate 9 is not influenced.
Further, the bottom of second screw rod 12 is passed through rotary connection device and is connected with second push pedal 13, and rotary connection device includes the connecting seat, and the top of connecting seat is equipped with the blind hole with 12 clearance fit of second screw rod, and the bottom of this blind hole is equipped with the annular that outwards extends, and the lower extreme of second screw rod 12 is equipped with and annular complex annular is protruding. The annular bulge is embedded in the annular groove, and the second screw 12 can be limited to be separated from the second push plate 13 while the rotation between the second screw 12 and the second push plate 13 is not influenced.
The utility model discloses a structural feature and theory of operation: motor 16 drives two screw rod counter-rotations, second screw rod 12 promotes second push pedal 13 upwards when first screw rod 8 promotes first push pedal 9 downwards, first push pedal 9 promotes gas and can follow first barrel 6 and give vent to anger this moment, second push pedal 13 stimulates the extension of second bellows 14 and can follow the air admission of second barrel 7, it admits to drive first barrel 6 when motor 16 reverses, it gives vent to anger to drive second barrel 7, thereby produce the air current in sealed air insulation box 2, make the heat dispersion of concentrating on vacuum circuit breaker module 4, further can set up the heat dissipation outside and accelerate inside heat dissipation.
It should be noted that the motor 16 is of MDMA152P1H type and is connected to a power supply via a driver.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (6)
1. The utility model provides an air insulation formula vacuum looped netowrk cabinet, includes the cabinet body, the upper portion of the cabinet body is equipped with sealed air insulation box, and the lower part is equipped with the cable chamber, is equipped with vacuum circuit breaker module and isolation/ground connection three station modules, its characterized in that in the sealed air insulation box: the turbulence device is arranged in the sealed air insulation box body and comprises a first cylinder and a second cylinder, the first cylinder and the second cylinder are respectively arranged on the left side and the right side of the inside of the sealed air insulation box body, a first opening is formed in the right side of the lower end of the first cylinder, and a second opening is formed in the left side of the lower end of the second cylinder;
a first screw rod, a first push plate and a first corrugated pipe are arranged inside the first barrel, the first screw rod is arranged in the center of the first barrel, the top end of the first screw rod penetrates through the cabinet body and extends to the upper side of the cabinet body, the lower end of the first screw rod is connected with the first push plate, the top of the first push plate is fixedly connected with the lower end of the first corrugated pipe, the upper end of the first corrugated pipe is fixedly connected with the cabinet body at the top of the first barrel, a nut is fixedly arranged on the cabinet body at the top of the first barrel, and the nut is sleeved on the first screw rod and is in threaded connection with the first screw rod;
a second screw rod, a second push plate, a second corrugated pipe and a spring are arranged in the second barrel, the second screw rod is arranged in the center of the second barrel, the top end of the second screw rod penetrates through the cabinet body and extends to the upper side of the cabinet body, the lower end of the second screw rod is connected with the second push plate, the top of the second push plate is fixedly connected with the upper end of the second corrugated pipe, the upper end of the second corrugated pipe is fixedly connected with the cabinet body at the top of the second barrel, the spring is arranged at the bottom of the second push plate, the upper end of the spring is fixedly connected with the second push plate, and the lower end of the spring is fixedly connected; a nut is fixedly arranged on the cabinet body at the top of the second barrel, is sleeved on the second screw rod and is in threaded connection with the second screw rod;
the drive arrangement at cabinet body top is connected to vortex device, drive arrangement includes the motor, driving pulley, driven pulleys, the jackshaft, driving gear and driven gear, the motor passes through the motor cabinet to be installed in the top of the cabinet body, the output shaft of motor passes through the top of the first screw rod of coupling joint, be equipped with driving pulley on the output shaft of motor, this driving pulley passes through the belt and connects the epaxial driven pulleys of jackshaft, the jackshaft passes through the bearing and connects the cabinet body, the fixed driving gear that is equipped with on the jackshaft, driven gear meshing on driving gear and the second screw rod.
2. An air insulated vacuum ring main unit according to claim 1, wherein: the both ends of first barrel and second barrel all with cabinet body fixed connection.
3. An air insulated vacuum ring main unit according to claim 1, wherein: the top of the cabinet body is provided with a through hole in clearance fit with the first screw rod and the second screw rod.
4. An air insulated vacuum ring main unit according to claim 1, wherein: the first corrugated pipe is in clearance fit with the first cylinder, and the second corrugated pipe is in clearance fit with the second cylinder.
5. An air insulated vacuum ring main unit according to claim 1, wherein: the bottom of first screw rod is passed through swivelling joint device and is connected with first push pedal, and swivelling joint device includes the connecting seat, and the top of connecting seat is equipped with the blind hole with first screw rod clearance fit, and the bottom of this blind hole is equipped with the annular of outside extension, and the lower extreme of first screw rod is equipped with and annular complex annular is protruding.
6. An air insulated vacuum ring main unit according to claim 1, wherein: the bottom of second screw rod is passed through swivelling joint device and is connected with the second push pedal, and swivelling joint device includes the connecting seat, and the top of connecting seat is equipped with the blind hole with second screw rod clearance fit, and the bottom of this blind hole is equipped with the annular of outside extension, and the lower extreme of second screw rod is equipped with and annular complex annular is protruding.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920864944.1U CN209929841U (en) | 2019-06-10 | 2019-06-10 | Air insulation type vacuum ring main unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920864944.1U CN209929841U (en) | 2019-06-10 | 2019-06-10 | Air insulation type vacuum ring main unit |
Publications (1)
Publication Number | Publication Date |
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CN209929841U true CN209929841U (en) | 2020-01-10 |
Family
ID=69092555
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920864944.1U Expired - Fee Related CN209929841U (en) | 2019-06-10 | 2019-06-10 | Air insulation type vacuum ring main unit |
Country Status (1)
Country | Link |
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CN (1) | CN209929841U (en) |
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2019
- 2019-06-10 CN CN201920864944.1U patent/CN209929841U/en not_active Expired - Fee Related
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 |