CN208314870U - Wind-driven generator UAV Intelligent cruising inspection system - Google Patents
Wind-driven generator UAV Intelligent cruising inspection system Download PDFInfo
- Publication number
- CN208314870U CN208314870U CN201821090849.2U CN201821090849U CN208314870U CN 208314870 U CN208314870 U CN 208314870U CN 201821090849 U CN201821090849 U CN 201821090849U CN 208314870 U CN208314870 U CN 208314870U
- Authority
- CN
- China
- Prior art keywords
- wind
- driven generator
- unmanned machine
- cloud
- patrol unmanned
- 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.)
- Expired - Fee Related
Links
- 238000007689 inspection Methods 0.000 title claims abstract description 73
- 238000013527 convolutional neural network Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000007405 data analysis Methods 0.000 abstract description 5
- 230000007812 deficiency Effects 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Landscapes
- Wind Motors (AREA)
Abstract
The utility model provides wind-driven generator UAV Intelligent cruising inspection system, comprising: wind-driven generator, GPS satellite, patrol unmanned machine;The wind-driven generator is information collection main body, and wind-driven generator is provided at N;Information exchange is carried out by wireless signal between the GPS satellite and patrol unmanned machine;Information exchange is carried out by wireless signal between the patrol unmanned machine and cloud center;The utility model passes through the improvement to wind-driven generator UAV Intelligent cruising inspection system, with inspection reasonable in design, convenient for carrying out systematization to the wind-driven generator in region, multi-angle, on a large scale inspection can be carried out to blade of wind-driven generator, avoid the occurrence of inspection dead angle, routing inspection efficiency height, the precision of data analysis and comparison is high, mitigate staff's inspection burden significantly, practical advantage, thus the problem of effective solution the utility model proposes in background technique one and deficiency.
Description
Technical field
The utility model relates to wind-driven generator inspection technical fields, more specifically, more particularly to a kind of intelligent journey
Degree is high, mitigates staff's inspection burden, the high wind-driven generator UAV Intelligent cruising inspection system of routing inspection efficiency.
Background technique
Wind-driven generator is to convert wind energy into mechanical work, and mechanical work drives rotor rotation, the electricity of final output alternating current
Power equipment, usual wind-driven generator are mounted on the remote districts that population density is low, sparsely populated, and landform is multiple in region
Miscellaneous, blower arrangement dispersion can find dangerous situation for maintain equipment in time, therefore power station O&M team needs periodically to wind-force
Generator carries out inspection, guarantees the reliability service of wind power generating set, improves equipment availability.
Blade as a very crucial component in wind power generating set, in high-speed rotation inevitably with air
In sand and dust, particle generate friction and hit, cause blade inlet edge to grind, leading edge bonding can therefore crack, in addition, with blower
The increase of the time limit is run, the abrasion of blade surface gel coat will appear sand holes and crackle, traditional blade surface routine inspection mode after falling off
It is that operation maintenance personnel is observed by telescope, and carefully listens to whether blade has ear-piercing abnormal sound near blower, relies on
Micro-judgment, but the reason of causing abnormal sound, has very much, therefore traditional routine inspection mode can not accurately carry out reason
Accurately judge, and the problems such as traditional this mode of manual inspection there is only safeties poor, heavy workload, low efficiency,
And influenced by observation angle, it cannot find the problem in time comprehensively.
In view of this, being studied improvement for existing problem, a kind of intelligence degree height is provided, staff is mitigated
Inspection burden, the high wind-driven generator UAV Intelligent cruising inspection system of routing inspection efficiency, it is intended to by the technology, reach and solve the problems, such as
With the purpose for improving practical value.
Utility model content
The purpose of this utility model is to provide wind-driven generator UAV Intelligent cruising inspection systems, to solve above-mentioned background skill
The blade surface routine inspection mode of the system proposed in art is that operation maintenance personnel is observed by telescope, and is carefully listened near blower
The reason of whether blade has ear-piercing abnormal sound, by virtue of experience judges, but causes abnormal sound has very much, therefore traditional
Routine inspection mode accurately can not accurately judge reason, and there is only safety for traditional this mode of manual inspection
Property poor, heavy workload, low efficiency the problems such as, and the problem of influenced, cannot be found the problem in time by observation angle comprehensively and
It is insufficient.
To achieve the above object, the utility model provides wind-driven generator UAV Intelligent cruising inspection system, by following tool
Body technique means are reached:
Wind-driven generator UAV Intelligent cruising inspection system, comprising: wind-driven generator, GPS satellite, patrol unmanned machine, Yun Zhong
The heart, gateway, firewall, monitoring center, Cloud Server;The wind-driven generator is information collection main body, and wind-driven generator is set
It is equipped at N;Information exchange is carried out by wireless signal between the GPS satellite and patrol unmanned machine;The patrol unmanned machine with
Information exchange is carried out by wireless signal between cloud center;Pass through between the cloud center and monitoring center and Cloud Server
INTERNET carries out information exchange;The cloud center is connected with gateway by cable;The monitoring center and Cloud Server with
Gateway is connected by cable;The monitoring center and Cloud Server pass through gateway accessing INTERNET, and monitoring center and cloud
Firewall is provided between server and gateway.
As advanced optimizing for the technical program, described in the utility model wind-driven generator UAV Intelligent cruising inspection system
Pass through letter between wind-driven generator, GPS satellite, patrol unmanned machine, cloud center, gateway, firewall, monitoring center and Cloud Server
Breath is interactive to collectively constitute wind-driven generator UAV Intelligent cruising inspection system with cooperation.
As advanced optimizing for the technical program, described in the utility model wind-driven generator UAV Intelligent cruising inspection system
Region of patrolling and examining at N is provided in the system altogether, and at least provided in wind-driven generator at one and cloud in every place's region of patrolling and examining
The heart, and the cloud center being provided in N number of patrol unmanned machine and region in every place's region of patrolling and examining carries out letter by wireless signal
Breath interaction.
As advanced optimizing for the technical program, described in the utility model wind-driven generator UAV Intelligent cruising inspection system
Patrol unmanned machine has been internally integrated GPS signal receiving module, and the bottom of patrol unmanned machine is equipped with rotary head
Camera.
As advanced optimizing for the technical program, described in the utility model wind-driven generator UAV Intelligent cruising inspection system
Cloud center is handled the acquisition data of patrol unmanned machine using convolutional neural networks.
As advanced optimizing for the technical program, described in the utility model wind-driven generator UAV Intelligent cruising inspection system
Information exchange is carried out by local area network between monitoring center and Cloud Server.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
1, region of patrolling and examining at N is provided in the utility model system altogether, and in every place's region of patrolling and examining at least provided with
Wind-driven generator and cloud center at one, and in the cloud being provided in every place's region of patrolling and examining in N number of patrol unmanned machine and region
The heart carries out the setting of information exchange by wireless signal, divides to region, convenient for carrying out to the wind-driven generator in region
The inspection of systematization, and the cloud center being provided in N number of patrol unmanned machine and region in every place's region of patrolling and examining passes through wirelessly
Signal carries out information exchange, can effectively improve information collection efficiency and precision in region, transmission range is avoided to cause too far
The phenomenon that information can not be transmitted in time.
2, the patrol unmanned machine of the utility model has been internally integrated GPS signal receiving module, and the bottom of patrol unmanned machine
The setting of camera with rotary head is installed, GPS satellite signal can be received in time, confirms self-position and inspection boat
Line provides technical support for intelligent patrol detection, and the camera with rotary head can be more to the progress of the blade of wind-driven generator
Angle checks on a large scale, avoids the occurrence of inspection dead angle.
3, the utility model cloud center is set using convolutional neural networks to what the acquisition data of patrol unmanned machine were handled
It sets, the collected pictorial information of patrol unmanned machine can be handled, provide technology branch to acquire analysis and the comparison of data
It holds, improves the precision of data analysis and comparison.
4, the utility model by the improvement to wind-driven generator UAV Intelligent cruising inspection system there is structure design to close
Reason, multi-angle can be carried out to blade of wind-driven generator, is big the inspection convenient for carrying out systematization to the wind-driven generator in region
The inspection of range avoids the occurrence of the precision height at inspection dead angle, routing inspection efficiency height, data analysis and comparison, significantly mitigation work
Personnel's inspection burden, practical advantage, thus what effective solution the utility model proposed in background technique one
Problem and shortage.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the system frame structure schematic diagram of the utility model;
Fig. 2 is the inspection flow diagram of the utility model;
Fig. 3 is the data comparison flow diagram of the utility model.
In figure: wind-driven generator 1, GPS satellite 2, patrol unmanned machine 3, cloud center 4, gateway 5, firewall 6, monitoring center
7, Cloud Server 8.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
It should be noted that in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than a;The instructions such as term " on ", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance.
Meanwhile in the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection "
It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can be mechanical connect
It connects, is also possible to be electrically connected;It can be directly connected, it can also be indirectly connected through an intermediary.For the general of this field
For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to Figure 1 to Fig. 3, the particular technique that the utility model provides wind-driven generator UAV Intelligent cruising inspection system is real
Apply scheme:
Wind-driven generator UAV Intelligent cruising inspection system, comprising: wind-driven generator 1, GPS satellite 2, patrol unmanned machine 3, cloud
Center 4, gateway 5, firewall 6, monitoring center 7, Cloud Server 8;Wind-driven generator 1 is information collection main body, and wind-power electricity generation
Machine 1 is provided at N;Information exchange is carried out by wireless signal between GPS satellite 2 and patrol unmanned machine 3;Patrol unmanned machine 3 with
Information exchange is carried out by wireless signal between cloud center 4;Pass through between cloud center 4 and monitoring center 7 and Cloud Server 8
INTERNET carries out information exchange;Cloud center 4 is connected with gateway 5 by cable;Monitoring center 7 and Cloud Server 8 and gateway 5
It is connected by cable;Monitoring center 7 and Cloud Server 8 pass through gateway 5 and access INTERNET, and monitoring center 7 and cloud service
Firewall 6 is provided between device 8 and gateway 5.
Specifically, wind-driven generator 1, GPS satellite 2, patrol unmanned machine 3, cloud center 4, gateway 5, firewall 6, monitoring in
Wind-driven generator UAV Intelligent cruising inspection system is collectively constituted by information exchange and cooperation between the heart 7 and Cloud Server 8.
Specifically, region of patrolling and examining at N is provided in the system altogether, and at least provided with wind at one in every place's region of patrolling and examining
Power generator 1 and cloud center 4, and N number of patrol unmanned machine 3 and the cloud center 4 in region are provided in every place's region of patrolling and examining
Information exchange is carried out by wireless signal, region is divided, convenient for carrying out systematization to the wind-driven generator 1 in region
Inspection, and be provided in every place's region of patrolling and examining N number of patrol unmanned machine 3 and the cloud center 4 in region by wireless signal into
Row information interaction, can effectively improve information collection efficiency and precision in region, avoid transmission range too far and cause information without
The phenomenon that method is transmitted in time.
Specifically, patrol unmanned machine 3 has been internally integrated GPS signal receiving module, and the bottom installation of patrol unmanned machine 3
There is the camera with rotary head, GPS satellite signal can be received in time, confirm self-position and inspection course line, for intelligence
Inspection provides technical support, and the camera with rotary head can carry out multi-angle, big model to the blade of wind-driven generator
The inspection enclosed avoids the occurrence of inspection dead angle.
Specifically, cloud center 4 is handled the acquisition data of patrol unmanned machine 3 using convolutional neural networks, it can be right
The collected pictorial information of patrol unmanned machine 3 is handled, and is provided technical support to acquire analysis and the comparison of data, is improved number
According to the precision of analysis and comparison.
Specifically, carrying out information exchange by local area network between monitoring center 7 and Cloud Server 8.
Specific implementation step:
The inspection course line for needing to determine patrol unmanned machine 3 first, then sets out patrol unmanned machine 3, makes it according to inspection course line
Carry out autonomous flight inspection, by the GPS receiver module in GPS satellite 2 and patrol unmanned machine 3 can determine in real time inspection without
Man-machine 3 specific location, patrol unmanned machine 3 carries out inspection to the blade of wind-driven generator 1 in flight course, and passes through bottom
Camera the blade of wind-driven generator 1 is shot, and collected image data is transmitted to cloud center 4, cloud center 4
Data are analyzed, different blade Question Classification, regular, and by compare in time discovery blade there are the problem of, such as
Problem data will be uploaded to monitoring center 7 by INTERNET by fruit cloud center 4 of finding the problem, by Cloud Server 8 to problem
Data are achieved;If do not found the problem, cloud center 4 will delete picture, without achieving.
In summary: the wind-driven generator UAV Intelligent cruising inspection system, by being provided with inspection area at N altogether in the system
Domain, and at least provided with wind-driven generator and cloud center at one in every place's region of patrolling and examining, and be all provided in every place's region of patrolling and examining
The cloud center being equipped in N number of patrol unmanned machine and region carries out the setting of information exchange by wireless signal, draws to region
Point, convenient for carrying out the inspection of systematization to the wind-driven generator in region, and N number of inspection is provided in every place's region of patrolling and examining
Cloud center in unmanned plane and region carries out information exchange by wireless signal, can effectively improve information collection efficiency in region
And precision, the phenomenon that avoiding transmission range too far causes information not transmit in time;It has been internally integrated by patrol unmanned machine
GPS signal receiving module, and the bottom of patrol unmanned machine is equipped with the setting of the camera with rotary head, it can be timely
GPS satellite signal is received, confirms self-position and inspection course line, provides technical support for intelligent patrol detection, and has rotary head
Camera can to the blade of wind-driven generator carry out multi-angle, on a large scale check, avoid the occurrence of inspection dead angle;Pass through cloud
The setting that center uses convolutional neural networks to handle the acquisition data of patrol unmanned machine, can acquire patrol unmanned machine
To pictorial information handled, provide technical support to acquire analysis and the comparison of data, improve data analysis and comparison
Precision;By the improvement to wind-driven generator UAV Intelligent cruising inspection system, have it is reasonable in design, convenient for in region
Wind-driven generator carry out systematization inspection, can to blade of wind-driven generator carry out multi-angle, on a large scale check, avoid
There is the precision height at inspection dead angle, routing inspection efficiency height, data analysis and comparison, significantly mitigation staff's inspection burden, in fact
With the strong advantage of property, thus the problem of effective solution the utility model proposes in background technique one and deficiency.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. wind-driven generator UAV Intelligent cruising inspection system, comprising: wind-driven generator (1), GPS satellite (2), patrol unmanned machine
(3), cloud center (4), gateway (5), firewall (6), monitoring center (7), Cloud Server (8);It is characterized by: the wind-force hair
Motor (1) is information collection main body, and wind-driven generator (1) is provided at N;The GPS satellite (2) and patrol unmanned machine (3)
Between information exchange carried out by wireless signal;It is carried out between the patrol unmanned machine (3) and cloud center (4) by wireless signal
Information exchange;Information exchange is carried out by INTERNET between the cloud center (4) and monitoring center (7) and Cloud Server (8);
The cloud center (4) is connected with gateway (5) by cable;The monitoring center (7) and Cloud Server (8) and gateway (5) are logical
Cable is crossed to be connected;The monitoring center (7) and Cloud Server (8) pass through gateway (5) and access INTERNET, and monitoring center
(7) and between Cloud Server (8) and gateway (5) it is provided with firewall (6).
2. wind-driven generator UAV Intelligent cruising inspection system according to claim 1, it is characterised in that: the wind-power electricity generation
Machine (1), GPS satellite (2), patrol unmanned machine (3), cloud center (4), gateway (5), firewall (6), monitoring center (7) and cloud clothes
Wind-driven generator UAV Intelligent cruising inspection system is collectively constituted by information exchange and cooperation between business device (8).
3. wind-driven generator UAV Intelligent cruising inspection system according to claim 1 or 2, it is characterised in that: described this be
It is provided with region of patrolling and examining at N altogether in system, and at least provided with wind-driven generator (1) and cloud center at one in every place's region of patrolling and examining
(4), the cloud center (4) and in every place's region of patrolling and examining being provided in N number of patrol unmanned machine (3) and region passes through wireless signal
Carry out information exchange.
4. wind-driven generator UAV Intelligent cruising inspection system according to claim 1, it is characterised in that: described patrol unmanned
Machine (3) has been internally integrated GPS signal receiving module, and the bottom of patrol unmanned machine (3) is equipped with taking the photograph with rotary head
As head.
5. wind-driven generator UAV Intelligent cruising inspection system according to claim 1, it is characterised in that: the cloud center
(4) the acquisition data of patrol unmanned machine (3) are handled using convolutional neural networks.
6. wind-driven generator UAV Intelligent cruising inspection system according to claim 1, it is characterised in that: the monitoring center
(7) information exchange is carried out by local area network between Cloud Server (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821090849.2U CN208314870U (en) | 2018-07-11 | 2018-07-11 | Wind-driven generator UAV Intelligent cruising inspection system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821090849.2U CN208314870U (en) | 2018-07-11 | 2018-07-11 | Wind-driven generator UAV Intelligent cruising inspection system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208314870U true CN208314870U (en) | 2019-01-01 |
Family
ID=64717515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821090849.2U Expired - Fee Related CN208314870U (en) | 2018-07-11 | 2018-07-11 | Wind-driven generator UAV Intelligent cruising inspection system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208314870U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110034816A (en) * | 2019-04-12 | 2019-07-19 | 云南电力试验研究院(集团)有限公司 | A kind of unmanned plane inspection intelligence managing and control system |
CN112801432A (en) * | 2019-10-25 | 2021-05-14 | 北京国电思达科技有限公司 | Fan unit blade intelligent inspection system and fan unit blade inspection method |
CN113965241A (en) * | 2020-07-01 | 2022-01-21 | 深圳中科保泰科技有限公司 | Method and related device for endowing artificial intelligence to unmanned aerial vehicle patrolling, mining and patrolling |
-
2018
- 2018-07-11 CN CN201821090849.2U patent/CN208314870U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110034816A (en) * | 2019-04-12 | 2019-07-19 | 云南电力试验研究院(集团)有限公司 | A kind of unmanned plane inspection intelligence managing and control system |
CN112801432A (en) * | 2019-10-25 | 2021-05-14 | 北京国电思达科技有限公司 | Fan unit blade intelligent inspection system and fan unit blade inspection method |
CN112801432B (en) * | 2019-10-25 | 2024-05-10 | 北京国电思达科技有限公司 | Intelligent inspection system for fan set blades and inspection method for fan set blades |
CN113965241A (en) * | 2020-07-01 | 2022-01-21 | 深圳中科保泰科技有限公司 | Method and related device for endowing artificial intelligence to unmanned aerial vehicle patrolling, mining and patrolling |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207600967U (en) | A kind of device for wind power plant blade surface defects detection | |
CN110282143B (en) | Inspection method for offshore wind farm unmanned aerial vehicle | |
CN208314870U (en) | Wind-driven generator UAV Intelligent cruising inspection system | |
CN107394873B (en) | A fully automatic and environmentally friendly wireless charging system for power inspection drones | |
CN111459189A (en) | A fully autonomous inspection system for offshore resident offshore wind power UAV based on automatic machine nest | |
CN206348665U (en) | A kind of heat distribution pipe network UAV Intelligent cruising inspection system based on Beidou navigation | |
CN106230116B (en) | A kind of Modularized power monitoring system and its control method based on unmanned plane | |
CN208873047U (en) | A kind of inspection device based on multi-rotor unmanned aerial vehicle | |
CN112960132B (en) | Distributed shared nest and unmanned aerial vehicle inspection method for power line of distributed shared nest | |
CN205375192U (en) | Unmanned aerial vehicle distribution network system of patrolling and examining based on infrared image technique | |
CN105468015A (en) | Oil gas pipeline inspection system of multi-rotor unmanned plane flying according to programmed course | |
CN207882165U (en) | The device of the wind power plant blade surface defects detection of intelligent charge | |
CN110112674A (en) | A kind of autonomous crusing robot of transmission line of electricity based on flight obstacle detouring and obstacle-detouring method | |
CN111311778A (en) | Application system and method based on unmanned aerial vehicle honeycomb technology | |
CN109448151A (en) | A kind of unmanned plane cruising inspection system and its application | |
CN205998127U (en) | A kind of flying robot of bridge machinery | |
CN116906276A (en) | Intelligent inspection method for fan blade | |
CN212785420U (en) | Unmanned aerial vehicle system of patrolling and examining based on cloud limit is in coordination with 5G network | |
CN205779505U (en) | Wind power plant based on unmanned plane inspection tour system | |
CN203094447U (en) | Unmanned helicopter for power line inspection with inertial navigation platform | |
CN104092997A (en) | System and method for monitoring blades of wind generating set | |
CN208431106U (en) | Wind turbines yaw system monitors mechanism on-line | |
CN110763281A (en) | Mobile terminal device of electric power iron tower based on Internet of things | |
CN114442658A (en) | Automatic inspection system for unmanned aerial vehicle of power transmission and distribution line and operation method thereof | |
CN205809603U (en) | A kind of bridge cruising inspection system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 Termination date: 20190711 |
|
CF01 | Termination of patent right due to non-payment of annual fee |