CN103901866A - Wind power plant operation and maintenance supporting system - Google Patents
Wind power plant operation and maintenance supporting system Download PDFInfo
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Abstract
A wind power plant operation and maintenance supporting system is composed of a monitoring network layer, a local commanding layer, a field commanding layer and a remote commanding layer. According to the system, wind power monitoring information is transmitted to a local commanding terminal, a central control room field server and a remote monitoring center remote server in a hierarchical mode through video and audio monitoring equipment, and physical abnormity automatic diagnosis and recognition of key components of a wind power generating set are conducted based on an image stream processing and model recognition technology at the related data processing terminals; a specialist commands filed maintaining and repairing in a remote mode in real time based on a diagnosis and recognition result and monitoring video and audio information; meanwhile, instructions can be sent to monitoring network equipment at the local commanding terminal, the central control room filed server and the remote monitoring center remote server, and real-time both-way communication is achieved.
Description
Technical field
The present invention relates to technical field of wind power generation, relate in particular to the wind energy turbine set O&M back-up system based on image stream treatment technology.
Background technology
Existing wind power generation field, the image stream treatment technology based on video monitoring, except being applied to safety-security area, is also applied to condition monitoring field simultaneously, mainly comprises blade injury identification, key component Fault Identification etc.Wind power generating set Problem is main at present to be realized by artificial, needs maintainer to climb to top of tower cabin from column foot in the time of equipment routing inspection or maintaining, and related link equipment in cabin is carried out to maintaining.Existing maintenance mode, because needs are often climbed blower fan, also has higher requirements to maintainer's fitness to maintainer except specialized capability.Many high-end professional and technical personnel that have a large amount of field maintemance experiences and a knowwhy owing to being pressed for time, the relative factor such as poor of older, fitness is difficult to carry out wind-powered electricity generation field maintemance operation; And carry out field maintemance maintenance job personnel due to relatively young, a little less than maintenance and repair experience relative thin, maintenance and repair efficiency is relatively low.
Summary of the invention
A kind of wind energy turbine set O&M back-up system, formed by monitor network layer (a), local command layer (b), floor manager layer (c), remote command layer (d), it is characterized in that: wind-powered electricity generation monitor message hierarchical is transferred to other layer by monitor network layer (a), utilize based on image stream processing and mode identification technology and complete wind power generating set key component physical abnormalities automatic diagnosis identification; Keeped in repair by the long-range real-time commander's field maintemance of expert based on diagnosis identification result and monitoring audiovisual information; Also can send control command to monitor network equipment at local command terminal, Central Control Room presence server, remote monitoring center remote server simultaneously.
Monitor network layer (a) mainly comprises that local data gathers communication system and watch-dog, and monitor message includes but are not limited to video information, audio-frequency information etc.; Obtain monitor message by watch-dog, and monitor message is sent to local command layer (b).
Local command layer (b) mainly comprises router/switch and local command terminal, wherein router/switch is articulated on wind-powered electricity generation field optical fibers Ethernet, realizes external information and monitor network layer (a) communication by router/switch; Local command terminal control watch-dog, also can realize and floor manager layer (c), remote command layer (d) both-way communication by router/switch.
Floor manager layer (c) mainly comprises the presence server, field maintemance maintenance maneuvering platform and the spot database composition that are positioned at Central Control Room; Expert concentrates the monitor network layer (a) of many typhoons of wind energy turbine set group of motors is carried out to video/audio and data communication at wind energy turbine set Central Control Room, gives some on the spot guidance and scheduling of resource commander; Floor manager layer (c) and remote command layer (d) communication, obtain field failure details situation in time simultaneously.
Remote command layer (d) mainly comprises the remote server, remote data base, remote maintenance maintenance maneuvering platform and the Remote multimedia dispatching command centre composition that are positioned at remote monitoring center; The major function of remote command layer is by remote command link is set at remote monitoring center, make senior field maintenance technician or managerial personnel extremely excavate conclusion at remote command center based on monitor video audio-frequency information and intelligent trouble, concentrate to realize the many typhoons group of motors monitor network layer (a) that is distributed in different wind energy turbine set is carried out to video/audio and related data communication, field maintemance is given some on the spot guidance and scheduling of resource commander, improve maintenance and repair efficiency; Remote command layer (d) carries out video/audio and data communication with floor manager layer (c) and local command layer (b) simultaneously, obtain wind-powered electricity generation unit and wind energy turbine set internal fault details situation, improve higher level operation maintenance decision support.
brief description of the drawings
Fig. 1 is a kind of wind energy turbine set O&M back-up system schematic diagram.
Fig. 2 is hand-hold movable video/audio integrated monitoring equipment schematic diagram.
Fig. 3 is local command layer communication schematic diagram.
Embodiment
the invention provides a kind of wind energy turbine set O&M back-up system, formed by monitor network layer (a), local command layer (b), floor manager layer (c), remote command layer (d), as shown in Figure 1.
Monitor network layer (a) mainly comprises that local data gathers communication system and watch-dog, and monitor message includes but are not limited to video information, audio-frequency information etc.
Local data gathers communication system and mainly completes focusing on many watch-dog Information Monitorings in same typhoon group of motors, and monitor message is sent to local command layer (b) and is connected to the router/switch of field optical fibers Ethernet, data acquisition system (DAS) receives local command layer (b) simultaneously, floor manager layer (c), Remote Device Control order and video/audio and data communication interactive information that remote command layer (d) sends, data acquisition communication system provides video/audio and data communication terminal interface, for external video/audio and data communication terminal display the play long-distance video audio frequency and data communication command information.Local data gathers communication system need to be arranged on cabin, wheel hub or tower cylinder top area conventionally according to actual video commander, and local data gathers communication system and local command layer (b) router/switch, external video/audio and data communication terminal can adopt wired or wireless mode to carry out communication.
Watch-dog is video monitoring equipment and Voice Surveillance equipment, can be divided into fixed installation form and hand-hold movable installation form as shown in Figure 2 from its installation form.
The illumination integrated watch-dog of fixed installation video/audio preferably can adopt the illumination integrated camera of video/audio, the illumination integrated watch-dog of video/audio is controllable device simultaneously, can be by monitoring the control device on integration apparatus or Long-distance Control realize the relevant control operation of fixed installation video/audio integrated monitoring equipment, Control the content includes but are not limited to startup, switch, shooting angle, focusing, brightness of illumination adjusting, video audio monitoring and data transmission parameters and arranges etc.
As shown in Figure 2, hand-hold movable video/audio integrated monitoring equipment mainly comprises video monitoring equipment, Voice Surveillance equipment, light fixture, hand held structures part, fixing six characteristic feature links of fastening link, hand-hold movable video/audio integrated monitoring equipment can be realized device external control by the control device on monitoring integration apparatus, also can realize remote external control by telecommunication.
Hand-hold movable video/audio integrated monitoring equipment data communication can adopt wire communication mode data transmission, also can adopt wireless mode to carry out data transmission.
In hand-hold movable video/audio integrated monitoring equipment, video monitoring equipment and Voice Surveillance equipment one preferably can adopt the integrated camera of video/audio in scheme, video/audio integrated monitoring equipment is controllable device simultaneously, can realize by the control device on hand-hold movable video/audio integrated monitoring equipment or Long-distance Control the relevant control operation of video/audio integrated monitoring equipment, Control the content includes but are not limited to startup, switch, focusing, video audio monitoring and data transmission parameters and arranges etc.
In hand-hold movable video/audio integrated monitoring equipment, light fixture is mainly used in, in the situation that monitoring lighting environment is poor, providing light illumination.Light fixture can be realized other control operation of contrast exposed installation by the control device on hand-hold movable video/audio integrated monitoring equipment or Long-distance Control, and Control the content includes but are not limited to startup, switch, illumination intensity adjusting etc.
In hand-hold movable video/audio integrated monitoring equipment, hand held structures part is mainly used in facilitating wind-powered electricity generation operation maintenance person to carry out hand-held monitoring equipment operating.Hand held structures part structure implementation method includes but are not limited to and shakes hands, lever etc.
In hand-hold movable video/audio integrated monitoring equipment, fixing fastening link is mainly used in when at ordinary times for repair and maintenance, fastening and safe and reliable the depositing in the scene of hand-hold movable video/audio integrated monitoring equipment.
Fixed installation video/audio integrated monitoring equipment is generally used for monitoring fan operation state, mainly be arranged on the region of emphasis inspection area while can favourable observation blower fan normally patrolling and examining, include but are not limited to the regions such as cabin, wheel hub, blade interior, nacelle exterior, tower cylinder, whether main key monitoring information includes but are not limited to kinematic train running status, yaw device running status, lubricating system leakage of oil situation, blade ponding situation, blade and loses the situation of breaking, bolted situation, wind-powered electricity generation unit security protection situation, cable and twist off etc.
When being mainly used in wind energy turbine set field maintemance maintenance personal execute-in-place, hand-hold movable video/audio integrated monitoring equipment carries out real-time video voice communication for concrete maintenance and repair details video/audio situation and local command layer (b), floor manager layer (c) and remote command layer (d).Gather communication system by external video/audio and data communication terminal from monitor network layer (a) local data and receive local command layer (b), floor manager layer (c), remote command layer (d) order command in real time, effectively improve wind-powered electricity generation operation maintenance efficiency.Hand-hold movable video/audio integrated monitoring equipment installation site includes but are not limited to cabin, wheel hub and tower cylinder top etc.
As shown in Figure 2, the major function of local command layer (b) is by local commander's link is set at column foot, make senior field maintenance technician or managerial personnel carry out video/audio and data communication with wind power generating set monitor network layer (a) in the situation that not needing to climb wind-powered electricity generation unit, realize real-time servicing maintenance command function at column foot, improve maintenance and repair efficiency; Local command layer (b) also carries out video/audio and data communication with floor manager layer (c) and the remote command layer (d) of high-level simultaneously, obtains in time the support of wind-powered electricity generation unit maintenance and repair resource.
Local command layer (b) mainly comprises router/switch and local command terminal, wherein router/switch is articulated on wind-powered electricity generation field optical fibers Ethernet, realizes external information and monitor network layer (a) communication by router/switch.Local command terminal is also realized and the communication of monitor network layer (a) relevant device by router/switch, also can realize and floor manager layer (c), remote command layer (d) both-way communication by router/switch simultaneously, local command terminal and router/switch communication modes can be realized by wired mode, also can realize by wireless mode.
The Core Feature of local command terminal is video/audio and Long-distance Control real-time dual-way communication function, can realize the external video/audio and the data communication terminal communication that gather communication with monitor network layer (a) local data by local command terminal, realize column foot and tower cylinder top video/audio and data communication mutual, obtain wind-powered electricity generation maintenance information, for wind-powered electricity generation unit maintenance and repair provides local technical support.
Local command terminal can be realized the remote control function to watch-dog link by remote control function, and remote control function includes but are not limited to and watch-dog startup, switch, shooting angle, focusing, brightness of illumination adjusting, video audio monitoring and data transmission parameters arranged etc.
Local command terminal can be realized and high-level floor manager layer (c), remote command layer (d) two-way video audio frequency and data communication by field optical fibers Ethernet, obtains in time the support of the high-level maintenance and repair resource of wind-powered electricity generation unit.
Local command terminal has based on video/audio information fault diagnosis data mining duty, according to the real-time video voice data of monitor network layer (a) monitoring, utilize local terminal computational intelligence to complete the abnormal automatic diagnosis discriminating function of wind power generating set key component typical physical based on Image Processing and Pattern Recognition technology.
The major function of floor manager layer (c) is by floor manager link being set at wind energy turbine set Central Control Room, make senior field maintenance technician or managerial personnel concentrate many typhoons of wind energy turbine set group of motors monitor network layer (a) is carried out to video/audio and data communication at Central Control Room, field maintemance is given some on the spot guidance and scheduling of resource commander, improve maintenance and repair efficiency; Floor manager layer (c) carries out video/audio and data communication with remote command layer (d) simultaneously, obtain in time the support of wind-powered electricity generation unit maintenance and repair resource, floor manager layer (c) also carries out video/audio and data communication with local command layer (b), obtains field failure details situation.
Floor manager layer (c) mainly comprises the presence server, field maintemance maintenance maneuvering platform and the spot database composition that are positioned at Central Control Room.
The presence server and the spot database that are positioned at Central Control Room are the hardware and software platform bases of floor manager layer (c), presence server is for carrying out video/audio and data communication with local command layer (b), remote command layer (d), presence server is carried out data processing for each typhoon group of motors monitor message simultaneously, and various policer operation data are realized and include but are not limited to the functions such as record, form, contrast, sequence, printing and based on database, information effectively stored.
Presence server data processing function comprises based on video/audio information fault diagnosis data mining duty, it is according to historical data in the real-time video voice data of monitor network layer (a) monitoring or spot database, utilize presence server computational intelligence to complete the abnormal automatic diagnosis discriminating function of wind power generating set key component typical physical based on Image Processing and Pattern Recognition technology, and optimize operation maintenance suggestion according to diagnosis Intelligent Matching.
The field maintemance maintenance maneuvering platform that is positioned at Central Control Room is live video audio frequency and the data communication real-time servicing maneuvering platform based on presence server and spot database.This platform mainly comprises video, audio frequency apparatus, display and monitoring software etc., can be realized with monitor network layer (a) and interior one or more associated terminal equipment of local command layer (b) and be realized video/audio and data communication by this platform.
Field maintemance maintenance maneuvering platform is realized the relevant control of monitor network layer (a) is operated by Long-distance Control, and Control the content includes but are not limited to startup, switch, shooting angle, focusing, brightness of illumination adjusting, video audio monitoring and data transmission parameters and arranges etc.
Field maintemance maintenance maneuvering platform can be realized and remote command layer (d) two-way video audio frequency and data communication by commercial network, obtains in time the support of the high-level maintenance and repair resource of wind-powered electricity generation unit.
The major function of remote command layer (d) is by remote command link is set at remote monitoring center, make senior field maintenance technician or managerial personnel extremely excavate conclusion at remote command center based on monitor video audio-frequency information and intelligent trouble, concentrate to realize the many typhoons group of motors monitor network layer (a) that is distributed in different wind energy turbine set is carried out to video/audio and related data communication, field maintemance is given some on the spot guidance and scheduling of resource commander, improve maintenance and repair efficiency; Remote command layer (d) carries out video/audio and data communication with floor manager layer (c) and local command layer (b) simultaneously, obtain wind-powered electricity generation unit and wind energy turbine set internal fault details situation, improve higher level operation maintenance decision support.
Remote command layer (d) mainly comprises the remote server, remote data base, remote maintenance maintenance maneuvering platform and the Remote multimedia dispatching command centre composition that are positioned at remote monitoring center.
The remote server and the remote data base that are positioned at remote monitoring center are the hardware and software platform bases of remote command layer (d), remote server is for carrying out video/audio and data communication with floor manager layer (c), remote server carries out Data Post for each typhoon group of motors monitor message, fault excavating diagnosis conclusion, maintenance and repair and maintenance historical data in each monitoring wind energy turbine set simultaneously, and Data Post operation includes but are not limited to the functions such as record, form, contrast, sequence, printing and based on database, information effectively stored.
Remote maintenance maintenance maneuvering platform is long-distance video audio frequency and the data communication real-time servicing maneuvering platform based on presence server and spot database.Remote maintenance maintenance maneuvering platform mainly comprises video, audio frequency apparatus, display and monitoring software etc., can be realized with monitor network layer (a), local command layer (b), interior one or more associated terminal equipment of floor manager layer (c) and be realized video/audio and data communication by this platform.
Remote maintenance maintenance maneuvering platform can be arranged on remote monitoring center, also can the external video/audio in other region and data communication terminal be connected to remote server by network and realize remote maintenance maintenance maneuvering platform function.
Remote maintenance maintenance maneuvering platform is realized the relevant control of monitor network layer (a) is operated by Long-distance Control, and Control the content includes but are not limited to startup, switch, shooting angle, focusing, brightness of illumination adjusting, video audio monitoring and data transmission parameters and arranges etc.
Remote multimedia dispatching command centre is that the multi-expert associating real-time network of long-distance video audio frequency based on presence server and spot database and data communication is safeguarded maneuvering platform.Remote multimedia dispatching command centre is mainly made up of multiple maintenance and repair command terminals, and maintenance and repair command terminal comprises video, audio frequency apparatus, display, monitoring software, network teleconference software etc.Remote multimedia dispatching command centre is that a kind of many maintenance and repairs command terminal based on conferencing form is combined and safeguarded maneuvering platform.Can realize by this platform major maintenance maintenance job and the more unmanageable knotty problem concentrated for multiple different wind energy turbine set and carry out multi-expert joint network video/audio commander.In Remote multimedia dispatching command centre, maintenance and repair command terminal all can be realized video/audio and data communication with one or more associated terminal equipment in monitor network layer (a), local command layer (b), floor manager layer (c) arbitrarily.
Remote multimedia dispatching command centre can be arranged on remote monitoring center, realizes Remote multimedia dispatching command function by on-the-spot real meetings mode; Remote multimedia dispatching command centre also can be connected to the different maintenance and repair command terminals in other region remote server and realize by network the multiple terminals associating Remote multimedia dispatching command function of conference model Network Based.
In Remote multimedia dispatching command centre, arbitrarily maintenance and repair command terminal all can be realized the relevant control of monitor network layer (a) is operated by Long-distance Control, and Control the content includes but are not limited to startup, switch, shooting angle, focusing, brightness of illumination adjusting, video audio monitoring and data transmission parameters and arranges etc.
The present invention is based on Video Supervision Technique and image stream treatment technology and effectively realized the regular automatic inspection function of wind power equipment, and realize O&M expert to real-time on-the-spot O&M commander and audit function based on video/audio both-way communication technology, by improving wind-powered electricity generation operation maintenance automatization level, improving existing O&M mode, improve wind energy turbine set operation maintenance efficiency.
Wind energy turbine set O&M back-up system based on image stream treatment technology of the present invention can be used as independent complete supervisory system and realizes, also can be integrated enter with the similar existing supervisory system of its structure in.The supervisory system of can be integrated entering includes but are not limited to wind-powered electricity generation condition monitoring system, SCADA system etc.
Wind energy turbine set O&M back-up system based on image stream treatment technology of the present invention is not only applicable to wind-powered electricity generation condition monitoring, is applicable to the fault diagnosis of various different occasions based on video/audio communication and image stream treatment technology yet and excavates and maintenance and repair command system construction method.
Claims (5)
1. a wind energy turbine set O&M back-up system, formed by monitor network layer (a), local command layer (b), floor manager layer (c), remote command layer (d), it is characterized in that: wind-powered electricity generation monitor message hierarchical is transferred to other layer by monitor network layer (a), utilize based on image stream processing and mode identification technology and complete wind power generating set key component physical abnormalities automatic diagnosis identification; Keeped in repair by the long-range real-time commander's field maintemance of expert based on diagnosis identification result and monitoring audiovisual information; Also can send control command to monitor network equipment at local command terminal, Central Control Room presence server, remote monitoring center remote server simultaneously.
2. one one kinds of wind energy turbine set O&M back-up systems according to claim 1, it is characterized in that: monitor network layer (a) mainly comprises that local data gathers communication system and watch-dog, and monitor message includes but are not limited to video information, audio-frequency information etc.; Obtain monitor message by watch-dog, and monitor message is sent to local command layer (b).
3. a kind of wind energy turbine set O&M back-up system according to claim 1, it is characterized in that: local command layer (b) mainly comprises router/switch and local command terminal, wherein router/switch is articulated on wind-powered electricity generation field optical fibers Ethernet, realizes external information and monitor network layer (a) communication by router/switch; Local command terminal control watch-dog, also can realize and floor manager layer (c), remote command layer (d) both-way communication by router/switch.
4. a kind of wind energy turbine set O&M back-up system according to claim 1, is characterized in that: floor manager layer (c) mainly comprises the presence server, field maintemance maintenance maneuvering platform and the spot database composition that are positioned at Central Control Room; Expert concentrates the monitor network layer (a) of many typhoons of wind energy turbine set group of motors is carried out to video/audio and data communication at wind energy turbine set Central Control Room, gives some on the spot guidance and scheduling of resource commander; Floor manager layer (c) and remote command layer (d) communication, obtain field failure details situation in time simultaneously.
5. a kind of wind energy turbine set O&M back-up system according to claim 1, is characterized in that: remote command layer (d) mainly comprises the remote server, remote data base, remote maintenance maintenance maneuvering platform and the Remote multimedia dispatching command centre composition that are positioned at remote monitoring center; The major function of remote command layer is by remote command link is set at remote monitoring center, make senior field maintenance technician or managerial personnel extremely excavate conclusion at remote command center based on monitor video audio-frequency information and intelligent trouble, concentrate to realize the many typhoons group of motors monitor network layer (a) that is distributed in different wind energy turbine set is carried out to video/audio and related data communication, field maintemance is given some on the spot guidance and scheduling of resource commander, improve maintenance and repair efficiency; Remote command layer (d) carries out video/audio and data communication with floor manager layer (c) and local command layer (b) simultaneously, obtain wind-powered electricity generation unit and wind energy turbine set internal fault details situation, improve higher level operation maintenance decision support.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275743A (en) * | 2015-11-10 | 2016-01-27 | 沈阳建筑大学 | Distributed wind power generation unit monitoring method and system based on mobile terminal |
| CN106647397A (en) * | 2016-12-22 | 2017-05-10 | 北京金风科创风电设备有限公司 | Method and device for acquiring networking device list of wind power plant |
| CN108683545A (en) * | 2018-05-24 | 2018-10-19 | 华润新能源（阳江）风能有限公司 | A kind of wind park network system |
| CN109074525A (en) * | 2016-05-17 | 2018-12-21 | 三菱电机大楼技术服务株式会社 | Maintenance management device, maintaining-managing system and program |
| CN109690570A (en) * | 2018-03-15 | 2019-04-26 | 深圳市中联创新自控系统有限公司 | A kind of computer lab management method and rotating ring system |
| CN110545401A (en) * | 2019-08-02 | 2019-12-06 | 国网浙江省电力有限公司金华供电公司 | Safety monitoring system and safety monitoring method for live working process |
| CN112383428A (en) * | 2020-11-12 | 2021-02-19 | 中国农业银行股份有限公司佛山分行 | System for remotely maintaining network equipment and remote maintenance method |
| CN112434821A (en) * | 2019-08-23 | 2021-03-02 | 沈阳盛世新能源科技有限公司 | Wind power generation essential safety guarantee device |
| CN112621745A (en) * | 2020-11-25 | 2021-04-09 | 中国大唐集团新能源科学技术研究院有限公司 | Wind turbine generator system inspection robot system |
| CN112650102A (en) * | 2020-12-07 | 2021-04-13 | 国投云南风电有限公司 | Wireless communication coverage and safety monitoring system for wind power plant |
| CN115426468A (en) * | 2022-08-02 | 2022-12-02 | 阿里云计算有限公司 | Remote support method, system, remote support device and electronic device |
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2014
- 2014-04-16 CN CN201410152256.4A patent/CN103901866A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275743A (en) * | 2015-11-10 | 2016-01-27 | 沈阳建筑大学 | Distributed wind power generation unit monitoring method and system based on mobile terminal |
| CN109074525A (en) * | 2016-05-17 | 2018-12-21 | 三菱电机大楼技术服务株式会社 | Maintenance management device, maintaining-managing system and program |
| CN109074525B (en) * | 2016-05-17 | 2022-08-23 | 三菱电机大楼技术服务株式会社 | Maintenance management device and maintenance management system |
| CN106647397A (en) * | 2016-12-22 | 2017-05-10 | 北京金风科创风电设备有限公司 | Method and device for acquiring networking device list of wind power plant |
| CN109690570A (en) * | 2018-03-15 | 2019-04-26 | 深圳市中联创新自控系统有限公司 | A kind of computer lab management method and rotating ring system |
| CN108683545A (en) * | 2018-05-24 | 2018-10-19 | 华润新能源（阳江）风能有限公司 | A kind of wind park network system |
| CN110545401A (en) * | 2019-08-02 | 2019-12-06 | 国网浙江省电力有限公司金华供电公司 | Safety monitoring system and safety monitoring method for live working process |
| CN112434821A (en) * | 2019-08-23 | 2021-03-02 | 沈阳盛世新能源科技有限公司 | Wind power generation essential safety guarantee device |
| CN112383428A (en) * | 2020-11-12 | 2021-02-19 | 中国农业银行股份有限公司佛山分行 | System for remotely maintaining network equipment and remote maintenance method |
| CN112621745A (en) * | 2020-11-25 | 2021-04-09 | 中国大唐集团新能源科学技术研究院有限公司 | Wind turbine generator system inspection robot system |
| CN112650102A (en) * | 2020-12-07 | 2021-04-13 | 国投云南风电有限公司 | Wireless communication coverage and safety monitoring system for wind power plant |
| CN115426468A (en) * | 2022-08-02 | 2022-12-02 | 阿里云计算有限公司 | Remote support method, system, remote support device and electronic device |
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