CN107181319B - Intelligent inspection method for state of hard pressing plate of transformer substation - Google Patents

Intelligent inspection method for state of hard pressing plate of transformer substation Download PDF

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Publication number
CN107181319B
CN107181319B CN201710304550.6A CN201710304550A CN107181319B CN 107181319 B CN107181319 B CN 107181319B CN 201710304550 A CN201710304550 A CN 201710304550A CN 107181319 B CN107181319 B CN 107181319B
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pressing plate
state
information
transformer substation
hard pressing
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CN201710304550.6A
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CN107181319A (en
Inventor
何鑫
冯维纲
王永刚
罗峥
王宇恩
白加林
赵武智
牛静
邬小坤
宁楠
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Wuhan Zhongyuan Huadian Science & Technology Co ltd
Guizhou Power Grid Co Ltd
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Wuhan Zhongyuan Huadian Science & Technology Co ltd
Guizhou Power Grid Co Ltd
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Publication of CN107181319A publication Critical patent/CN107181319A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00007Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C1/00Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/20Checking timed patrols, e.g. of watchman
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/30Individual registration on entry or exit not involving the use of a pass
    • G07C9/32Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/37Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B15/00Supervisory desks or panels for centralised control or display
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/121Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Image Processing (AREA)

Abstract

The invention discloses an intelligent inspection method for the state of a hard pressing plate of a transformer substation, which comprises the following steps: (1) establishing a hard pressing plate state model: a. acquiring longitude and latitude information of a transformer substation; b. acquiring fingerprint information of the power cabinet; c. acquiring the state of a pressing plate; d. uploading the acquired longitude and latitude information of the transformer substation, the fingerprint information of the power screen cabinet and the pressing plate state to a cloud platform of a centralized control center, corresponding to the input traditional name of the hard pressing plate, and storing the information into a hard pressing plate state model; (2) and (3) inspecting the state of the hard pressing plate: a. an inspection worker obtains longitude and latitude information of a transformer substation, fingerprint information of a power screen cabinet and a pressing plate state through holding an intelligent terminal provided with an APP; b. uploading information acquired by the intelligent terminal to a cloud platform to be matched with a stored hard pressing plate state model; c. and intelligently prompting and alarming according to the matching result. The method can realize automatic identification of the hard pressing plate installed on the electric power cabinet and intelligent judgment of the pressing plate state.

Description

Intelligent inspection method for state of hard pressing plate of transformer substation
Technical Field
The invention relates to the technical field of substation inspection, in particular to an intelligent inspection method for the state of a hard pressing plate of a substation.
Background
Generally, the switching operation of a transformer substation is divided into primary equipment operation and secondary equipment operation, and hard pressing plate switching is a main item of the secondary equipment operation. The hard pressure plate is a bridge and a tie for connecting the protection and automation device with external wiring, and is very important in relation to the function of protection and whether an action outlet can normally function. When the field operation mode changes, corresponding switching is also needed for part of the hard pressing plates, and the functions, the switching and withdrawing principles of various hard pressing plates can be known by scheduling personnel, substation operation and maintenance personnel and relay protection personnel, so that the occurrence of manual misoperation accidents such as protection misoperation or refusal operation and the like caused by mistaken switching or missed switching of the pressing plates is avoided.
In the existing transformer substation, the hard pressing plate is still widely applied to a protection and safety automatic device, and the protection and safety automatic device is mistakenly operated, refused to operate or fails to operate due to the fact that the hard pressing plate is thrown and retreated by mistake, so that power equipment is burnt or a large-range power failure accident is caused, and further the operation safety of a power grid is influenced. The state monitoring of the existing hard pressing plate mainly depends on manual inspection and offline management. Meanwhile, the secondary equipment is high in density on hard pressing plate layout and integrated in function, operation personnel can easily perform mistaken throwing and retreating operations on the pressing plates, the management mode of the pressing plates in the station is single, relevant historical data are deficient, and potential hazards are caused to safety production. The statistics of electric power accidents in recent years show that the accident rate caused by manually throwing and withdrawing the hard pressing plate is still high.
For a traditional transformer substation, the control of the existing hard pressing plate is in an open-loop state, the key problem is that the running state of the hard pressing plate cannot be monitored, at present, the anti-misoperation technology of a primary protection system is quite mature, the management of the pressing plate still only depends on manual work, compared with the automation degree level of secondary equipment in the transformer substation, the informatization and intelligentization levels of the management of the hard pressing plate are relatively low, and the prior art means cannot meet the requirements of field management automation and reliability.
Disclosure of Invention
In view of the above, the present invention provides an intelligent inspection method for a hard pressing plate state of a transformer substation, which can realize automatic identification of a hard pressing plate installed in a power cabinet and intelligent judgment of a pressing plate state, effectively solve the problems of insufficient work and human judgment errors when the manual inspection of the pressing plate is completely relied on, and reduce or eliminate accidents caused by the mistaken switching of the hard pressing plate.
The purpose of the invention is realized by the following technical scheme:
the intelligent inspection method for the state of the hard pressing plate of the transformer substation comprises the following steps
(1) Establishing a hard pressing plate state model:
a. acquiring longitude and latitude information of a transformer substation;
b. acquiring fingerprint information of the electric power screen cabinet: acquiring a name nameplate image of the electric power screen cabinet by using an image acquisition tool, and performing feature extraction on the acquired image to acquire fingerprint information of the electric power screen cabinet;
c. and (3) acquiring the state of the pressing plate: acquiring the image information of a pressing plate screen through an image acquisition tool, and identifying through an image identification technology to acquire the state of a pressing plate;
d. uploading the acquired longitude and latitude information of the transformer substation, the fingerprint information of the power screen cabinet and the pressing plate state to a cloud platform of a centralized control center, corresponding to the input traditional name of the hard pressing plate, and storing the information into a hard pressing plate state model;
(2) and (3) hard pressing plate state inspection:
a. an inspection worker obtains longitude and latitude information of a transformer substation, fingerprint information of a power screen cabinet and a pressing plate state through holding an intelligent terminal provided with an APP;
the fingerprint information of the electric power screen cabinet is obtained by acquiring a name nameplate image of the electric power screen cabinet by using an image acquisition tool and performing feature extraction on the acquired image;
the pressing plate state is obtained by acquiring pressing plate screen image information through an image acquisition tool and identifying through an image identification technology;
b. uploading information acquired by the intelligent terminal to a cloud platform to be matched with a stored hard pressing plate state model;
c. and intelligently prompting and alarming according to the matching result.
Further, the longitude and latitude information of the transformer substation is GPS or Beidou.
Further, the cloud platform also manages the in-place condition of the patrol personnel for patrol work.
Further, the step (2) further comprises d, transmitting the alarm information to an intelligent terminal.
Furthermore, the intelligent terminal is an intelligent mobile phone or a tablet computer.
The invention has the beneficial effects that:
the intelligent inspection method for the state of the hard pressing plate of the transformer substation has the beneficial effects that:
1) the state model of the hard pressing plate is established according to the operation mode of the transformer substation, and the switching state is managed in a centralized manner, so that the error switching of the hard pressing plate caused by insufficient professional knowledge of inspection personnel is effectively reduced;
2) the inspection task is automatically managed, the execution condition of the inspection task of an inspection worker can be effectively managed, and the inspection effectiveness is improved;
3) the handheld inspection terminal based on the intelligent PDA or the intelligent mobile phone can automatically identify the throwing and retreating states of the pressing plate according to a GPS position signal during inspection, a nameplate image of the power screen cabinet and a pressing plate state image, and inspection personnel only need to take pictures as required, so that the labor intensity of the inspection personnel is effectively reduced;
4) the intelligent terminal uploads information during inspection, the state of the pressing plate is positioned and acquired through the image recognition system, the pressing plate model is matched and checked with the pressing plate model of the background, intelligent prompt and alarm information is generated, related personnel are informed, errors of manual inspection are effectively reduced, and accuracy is greatly improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of the structure of the present invention.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.
The invention discloses a transformer substation hard pressing plate state intelligent inspection method which comprises the following steps
(1) Establishing a hard pressing plate state model:
a. acquiring longitude and latitude information of the transformer substation, wherein a centralized control center can simultaneously monitor and maintain a plurality of transformer substations, which is needed for avoiding conflict;
b. acquiring fingerprint information of the electric power screen cabinet: acquiring name nameplate images of the electric power screen cabinets by using an image acquisition tool (the electric power screen cabinets in the transformer substation have unique names on screen eyebrows and are made into nameplates attached to eyebrows of the screen cabinets), and performing feature extraction on the acquired images to acquire fingerprint information of the electric power screen cabinets;
c. and (3) acquiring the state of the pressing plate: acquiring the image information of a pressing plate screen through an image acquisition tool, and identifying through an image identification technology to acquire the state of a pressing plate;
d. uploading the acquired longitude and latitude information of the transformer substation, the fingerprint information of the power screen cabinet and the pressing plate state to a cloud platform of a centralized control center, corresponding to the input traditional name of the hard pressing plate, and storing the information into a hard pressing plate state model;
(2) and (3) hard pressing plate state inspection:
a. an inspection worker obtains longitude and latitude information of a transformer substation, fingerprint information of a power screen cabinet and a pressing plate state through holding an intelligent terminal provided with an APP;
the fingerprint information of the electric power screen cabinet is obtained by acquiring a name nameplate image of the electric power screen cabinet by using an image acquisition tool and performing feature extraction on the acquired image;
the pressing plate state is obtained by acquiring pressing plate screen image information through an image acquisition tool and identifying through an image identification technology;
b. uploading information acquired by the intelligent terminal to a cloud platform to be matched with a stored hard pressing plate state model;
c. and intelligently prompting and alarming according to the matching result, feeding the alarm information back to monitoring personnel and inspection personnel, and manually processing the alarm information in time. The cloud platform establishes the inspection pressing plate state database and the inspection task management database, so that the historical state data of the pressing plate can be conveniently inquired, the work of inspection personnel can be conveniently evaluated, and the intelligent management of the pressing plate inspection can be realized.
The longitude and latitude information of the transformer substation is provided for the GPS or the Beidou.
As a further improvement of the invention, the cloud platform formulates the inspection task according to the actual requirement, simultaneously issues the inspection task to the intelligent terminal of the inspection personnel, and starts to supervise the work of the inspection personnel.
The intelligent terminal is an intelligent mobile phone or a tablet computer.
The application of the invention has no hardware modification to the existing system of the transformer substation, and only needs to deploy a hard pressing plate intelligent inspection and management system based on a cloud platform on the basis of the existing system, and install an APP on an intelligent terminal of an inspector. The project research result has no obvious change to the current hard pressing plate inspection mode of the transformer substation, and can effectively reduce the workload of inspection personnel and provide an effective inspection working quality management mode, thereby greatly improving the accuracy of the pressing plate.
The achievement of the invention can be directly deployed in the traditional transformer substation, and the transformer substation pressure plate inspection personnel can be put into operation by carrying out simple use training. The method comprises the steps of firstly carrying out pilot application on an example transformer substation, and then carrying out all-around popularization according to effects.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims (3)

1. The intelligent inspection method for the state of the hard pressing plate of the transformer substation is characterized by comprising the following steps of: comprises the following steps
(1) Establishing a hard pressing plate state model:
a. acquiring longitude and latitude information of a transformer substation;
b. acquiring fingerprint information of the electric power screen cabinet: acquiring a name nameplate image of the electric power screen cabinet by using an image acquisition tool, and performing feature extraction on the acquired image to acquire fingerprint information of the electric power screen cabinet;
c. and (3) acquiring the state of the pressing plate: acquiring the image information of a pressing plate screen through an image acquisition tool, and identifying through an image identification technology to acquire the state of a pressing plate;
d. uploading the acquired longitude and latitude information of the transformer substation, the fingerprint information of the power screen cabinet and the pressing plate state to a cloud platform of a centralized control center, corresponding to the input traditional name of the hard pressing plate, and storing the information into a hard pressing plate state model;
(2) and (3) hard pressing plate state inspection:
a. an inspection worker obtains longitude and latitude information of a transformer substation, fingerprint information of a power screen cabinet and a pressing plate state through holding an intelligent terminal provided with an APP;
the fingerprint information of the electric power screen cabinet is obtained by acquiring a name nameplate image of the electric power screen cabinet by using an image acquisition tool and performing feature extraction on the acquired image;
the pressing plate state is obtained by acquiring pressing plate screen image information through an image acquisition tool and identifying through an image identification technology;
b. uploading information acquired by the intelligent terminal to a cloud platform to be matched with a stored hard pressing plate state model;
c. carrying out intelligent prompt and alarm according to the matching result;
d. transmitting the alarm information to an intelligent terminal;
the cloud platform is used for managing the in-place condition of the patrol inspection personnel, specifically, the cloud platform formulates the patrol inspection task according to actual requirements, simultaneously issues the patrol inspection task to the intelligent terminal of the patrol inspection personnel, and starts to supervise the work of the patrol inspection personnel.
2. The intelligent inspection method for the state of the hard pressing plate of the transformer substation according to claim 1, characterized in that: the longitude and latitude information of the transformer substation is GPS or Beidou.
3. The intelligent inspection method for the state of the hard pressing plate of the transformer substation according to claim 1, characterized in that: the intelligent terminal is an intelligent mobile phone or a tablet computer.
CN201710304550.6A 2017-05-03 2017-05-03 Intelligent inspection method for state of hard pressing plate of transformer substation Active CN107181319B (en)

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CN107181319B true CN107181319B (en) 2021-06-25

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Families Citing this family (14)

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Publication number Priority date Publication date Assignee Title
CN107808162A (en) * 2017-09-27 2018-03-16 广东电网有限责任公司江门供电局 A kind of transformer substation protection pressure plate state comparison method and device
CN107704832A (en) * 2017-10-11 2018-02-16 广东电网有限责任公司佛山供电局 A kind of substation equipment screen cabinet pressing plate checking method based on mobile terminal
CN107742925B (en) * 2017-11-17 2020-08-18 国网山西省电力公司检修分公司 Transformer substation hard pressing plate inspection method based on three-level network
CN108009547A (en) * 2017-12-26 2018-05-08 深圳供电局有限公司 A kind of nameplate recognition methods of substation equipment and device
CN109391032A (en) * 2018-10-19 2019-02-26 国网黑龙江省电力有限公司电力科学研究院 The condition detection method of electrical secondary system based on image recognition
CN109450103A (en) * 2019-01-04 2019-03-08 国家电网有限公司 Condition detection method, device and the intelligent terminal of pressing plate
CN110350660B (en) * 2019-07-12 2021-02-05 国电南瑞科技股份有限公司 Online monitoring method and system for relay protection function pressing plate
CN110992302A (en) * 2019-10-14 2020-04-10 广西电网有限责任公司贺州供电局 Method and device for automatically checking pressure plate
CN110765322A (en) * 2019-10-31 2020-02-07 国网河北省电力有限公司电力科学研究院 System and method for automatically checking information and state of secondary equipment of power system
CN111191721A (en) * 2019-12-30 2020-05-22 国网浙江省电力有限公司宁波供电公司 Protection pressing plate state identification method based on AI technology
CN111695632A (en) * 2020-06-12 2020-09-22 湖北中烟工业有限责任公司 Hidden danger identification method and device based on self-adaptive reference image hidden danger library
CN112381804B (en) * 2020-11-17 2022-07-29 国网天津市电力公司 Visual perception protection function and loop pressing plate state identification method
CN112549040A (en) * 2020-11-17 2021-03-26 广东电网有限责任公司中山供电局 Pressing plate state inspection robot
CN113783296B (en) * 2021-08-25 2022-09-06 国网福建省电力有限公司 Cloud edge cooperation-based transformer substation switching operation control method, system and device

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CN105894395A (en) * 2016-04-05 2016-08-24 国家电网公司 Substation equipment state overhaul, operation and maintenance management system based on two-dimensional code mobile Internet technology
CN105958644A (en) * 2016-05-27 2016-09-21 国网天津市电力公司 Pressing plate information management system for intelligent transformer station

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