CN108681779A - Transmission facility information-reading method and transmission facility information system - Google Patents

Transmission facility information-reading method and transmission facility information system Download PDF

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Publication number
CN108681779A
CN108681779A CN201810475402.5A CN201810475402A CN108681779A CN 108681779 A CN108681779 A CN 108681779A CN 201810475402 A CN201810475402 A CN 201810475402A CN 108681779 A CN108681779 A CN 108681779A
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China
Prior art keywords
information
transmission facility
user terminal
device coding
unique identity
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CN201810475402.5A
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Chinese (zh)
Inventor
肖虎
周雁威
吴树宁
陈勇智
黄永杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
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Guangdong Power Grid Co Ltd
Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
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Priority to CN201810475402.5A priority Critical patent/CN108681779A/en
Publication of CN108681779A publication Critical patent/CN108681779A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/20Administration of product repair or maintenance
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06Energy or water supply
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload

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  • Business, Economics & Management (AREA)
  • Economics (AREA)
  • Human Resources & Organizations (AREA)
  • General Business, Economics & Management (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Marketing (AREA)
  • General Physics & Mathematics (AREA)
  • Strategic Management (AREA)
  • Tourism & Hospitality (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Primary Health Care (AREA)
  • Water Supply & Treatment (AREA)
  • Public Health (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Operations Research (AREA)
  • Quality & Reliability (AREA)
  • Storage Device Security (AREA)

Abstract

The invention discloses a kind of transmission facility information-reading method and transmission facility information systems, wherein, transmission facility information-reading method includes receiving the encrypted device coding information for carrying out user terminal, wherein the transmission facility coding information includes the unique identity symbol of transmission facility;The device coding information is decrypted to obtain the unique identity symbol;The status information of the transmission facility is obtained according to unique identity symbol and is sent to the user terminal.Operation maintenance personnel may be implemented in the present invention can find the essential information of transmission line equipment at the first time at the scene, not only overcome multi-line power transmission line information data defect inconvenient to carry, and the workload that personnel inquire in reference room is reduced, greatly improve working efficiency.

Description

Transmission facility information-reading method and transmission facility information system
Technical field
The present invention relates to transmission line management technical field more particularly to a kind of transmission facility information-reading method and transmissions of electricity Facility information system.
Background technology
Transmission line of electricity is multi-point and wide-ranging and is in remote mountain areas mostly, past when carrying out site assessment and O&M decision to circuit It is past to need to carry out related access to transmission line of electricity drawing and picture files.And in the prior art, staff is according to the practical need in scene Transmission line equipment is corresponded to back to office or reference room inquiry for information about, or carry related papery data and go to now It is assessed, this will consume plenty of time, the energy of operation maintenance personnel.If in addition, return inquiry data it is incomplete or When the data of carrying has part to omit or do not timely update, then the operation drawing and picture files of circuit can not be understood in time at the scene, it is special When others' member has found passage hidden trouble after changing in high mountain, jungle, whether operations staff can not have processing by Acquisition channel in time Cross or hidden danger record householder contact method etc., this will also substantially reduce the working efficiency of maintenance personnel.
Invention content
In view of the above problems, the present invention proposes a kind of transmission facility information-reading method and transmission facility information system to solve Certainly the deficiencies in the prior art.
A kind of transmission facility information-reading method proposed by the present invention, including:
Receive the encrypted device coding information for carrying out user terminal, wherein the transmission facility coding information includes The unique identity of transmission facility accords with;
The device coding information is decrypted to obtain the unique identity symbol;
The status information of the transmission facility is obtained according to unique identity symbol and is sent to the user terminal
Further, before " reception carrys out the encrypted device coding information of user terminal ", the method Further include:The identity information that logs in from the user terminal is received, and it is pre-authorization identity that identity information is logged in described in verification It is sent after information and is proved to be successful information to the user terminal.
Further, before " reception carrys out the encrypted device coding information of user terminal ", the method Further include:Unique identity symbol is encrypted according to predetermined encryption algorithm, is compiled with obtaining the encrypted equipment Code information.
Further, transmission facility information-reading method of the invention further includes:
It receives by the fresh information of the transmission facility sent after the user terminal editor, and is believed according to the update Breath is updated storage to the status information.
Further, the encrypted device coding information exists with Quick Response Code or bar code form.
The present invention also proposes a kind of transmission facility information system, including:Transmission facility, user terminal and server;
The user terminal is for obtaining encrypted device coding information and being sent to the server, wherein described Encrypted device coding information includes the unique identity symbol of the transmission facility;
The server storage has the status information of the transmission facility, for receiving the device coding information, and it is right It is decrypted to obtain the unique identity symbol of the transmission facility;Described in unique identity symbol acquisition The status information of transmission facility is simultaneously sent to the user terminal so that the status information is presented.
Further, the server is additionally operable to, and before receiving encrypted device coding information, is received from described User terminal logs in identity information, and logs in identity information described in verification and be proved to be successful letter to be sent after pre-authorization identity information Cease the user terminal.
Further, the server is that each transmission facility distributes a unique identity symbol, and the server is used In the status information for searching corresponding transmission facility according to unique identity symbol.
Further, the server is additionally operable to add unique identity symbol according to predetermined encryption algorithm It is close, to obtain the encrypted device coding information.
Further, the encrypted device coding information by two-dimension code generator or bar code generating grow up to be a useful person generation pair The Quick Response Code or bar code answered, and the Quick Response Code or bar code are labelled on the corresponding transmission facility.
Technical solution proposed by the present invention has the advantages that:
Operation maintenance personnel can find the status information of transmission facility at the first time at the scene, and using these information with right The health degree of circuit carries out site assessment, provides foundation for scene O&M decision, not only overcomes transmission line information data and take With inconvenient defect, and the workload that personnel inquire in reference room is reduced, greatly improves working efficiency.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of the scope of the invention.
Fig. 1 is the flow chart of the transmission facility information-reading method of the embodiment of the present invention 1;
Fig. 2 is the application schematic diagram of the transmission facility information system of the embodiment of the present invention 2;
Fig. 3 is the first pass figure of the transmission facility information system of the embodiment of the present invention 2;
Fig. 4 is the second flow chart of the transmission facility information system of the embodiment of the present invention 2.
Specific implementation mode
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing The every other embodiment obtained under the premise of going out creative work, shall fall within the protection scope of the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more, Unless otherwise specifically defined.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention The normally understood meaning of technical staff is identical.Used term is intended merely to describe specifically to implement in the description herein The purpose of example, it is not intended that the limitation present invention.Term " and or " used herein includes one or more relevant institute's lists Any and all combinations of purpose.
With reference to specific embodiment, the present invention is described in detail.
Embodiment 1
Fig. 1 is please referred to, the present embodiment proposes a kind of transmission facility information-reading method, can be applied to defeated in transmission line of electricity The scene of electric equipment information is read, and the information material that can not only solve transmission facility in the prior art is inconvenient to carry or incomplete Defect also reduces the workload that staff inquires transmission facility data in reference room.The transmission facility information-reading method Include mainly following steps.
Step S110:Receive the encrypted device coding information for carrying out user terminal, wherein the transmission facility coding Information includes the unique identity symbol of transmission facility.
When the users such as maintenance personnel need scene to read the status information of transmission facility, can be scanned by user terminal It obtains the encrypted device coding information of corresponding equipment and sends it to high in the clouds, then high in the clouds receives the device coding letter It ceases and it is decrypted, that is, execute step S120.Wherein, the device coding information may include unique body of the transmission facility Part identifier.High in the clouds is encrypted unique identity symbol previously according to predetermined encryption algorithm, encrypted to obtain this Device coding information, wherein the unique identity accords with the status information that can be used for searching the transmission facility beyond the clouds.Why Device coding information is encrypted, is because transmission line information can be protected not obtained easily simultaneously by other people by encryption It usurps, to improve the safety of transmission facility data information transmission.Exemplarily, the predetermined encryption algorithm may include but Des encryption algorithm, AES encryption algorithm, RSA cryptographic algorithms, Base64 Encryption Algorithm, md5 encryption algorithm and SHA1 is not limited to add One kind in close algorithm or combination.
Preferably, the device coding information of transmission facility is existed using quick response code form.When needing to read a certain set When standby status information, the corresponding Quick Response Code of the transmission facility is swept by modes such as the two-dimensional code scannings of user terminal It retouches, to obtain the encrypted device coding information.It should be understood that form existing for the encrypted device coding information It may include but be not limited to as quick response code form and bar code etc..
Wherein, before receiving the device coding information of the transmission facility, user terminal will also be input by user in high in the clouds It logs in identity information and is sent to server log in identity information verification.Server receives this and logs in identity information and inquire This log in identity information whether be pre-stored mandate identity information.If it is to authorize identity information that this, which logs in identity information, Then transmission is proved to be successful information to user terminal to notify this logs in identity information to obtain load right, correspondingly then by server Allow the user terminal that can carry out device coding acquisition of information and access the operations such as remote server, otherwise sends authentication failed letter User terminal is ceased to notify this logs in identity information not obtain load right, therefore is not allowed to log in and accessed remote server Deng.Wherein, the identity information of the mandate can be shifted to an earlier date typing server, the identity information master of the mandate by related management personnel To include account and password etc..
Step S120:The device coding information is decrypted to obtain the unique identity symbol.
Then high in the clouds needs first it to be decrypted to obtain the transmission facility after receiving the device coding information Unique identity symbol, to further obtain the status information of the transmission facility.The decryption will obtain after encryption Cipher-text information be converted into readable cleartext information, this make device coding information in network transmission process have safety protect Barrier.In the present embodiment, the decryption of the device coding information can be carried out according to used Encryption Algorithm when encrypting in advance Corresponding conversion, to obtain the unique identity symbol of the transmission facility.If for example, to device coding information using When RSA cryptographic algorithms, correspondingly, then it can need to be decrypted according to RSA decrypting processes.
Step S130:The status information of the transmission facility is obtained according to unique identity symbol and is sent to described User terminal.
Wherein, server is previously stored with the status information of all transmission facilities.The transmission of electricity will be obtained after server decryption The unique identity of equipment accords with, and the state that server can further inquire the transmission facility by unique identity symbol is believed Breath, and the status information of inquiry is passed back into user terminal to be presented to the user.Exemplarily, server can be by the transmission facility Information page or the link of information page be sent to user terminal, the transmission facility is presented on the subscriber terminal to realize Status information.
It preferably, can also be by user terminal input pair after the users such as maintenance personnel safeguard transmission facility The fresh information of the transmission facility, then user terminal receive the fresh information and upload to high in the clouds.Correspondingly, when high in the clouds receives The status information of corresponding transmission facility will be updated and be stored after to the fresh information, to obtain newest state letter Breath.Then when needing to read the status information of the transmission facility next time, the status information of newest storage can be sent to by high in the clouds User terminal into row information to present.
Wherein, the transmission facility of the present embodiment may include the transmission facilities such as shaft tower.By taking shaft tower as an example, the state of each shaft tower is believed Breath may include the information such as specific building block situation in type, residing place on line and shaft tower equipment of the shaft tower, wherein The relative recording for situations such as building block situation includes such as optical cable, cable and insulator.
Embodiment 2
Fig. 2, Fig. 3 and Fig. 4 are please referred to, above-mentioned first embodiment is based on, the present embodiment proposes a kind of transmission facility information system System, the scene that can be applied to the transmission facility data in transmission line of electricity are read.The transmission facility information system includes mainly transmission of electricity Equipment, user terminal and server, wherein transmission facility is corresponding with an encrypted device coding information.
The main step that live reading is carried out by user terminal is described in detail below.
Step S210:User terminal obtains the encrypted device coding information of transmission facility and is sent to server.
Step S220:Server receives the device coding information and it is decrypted, to obtain the transmission facility Unique identity symbol.
Step S230:Server according to unique identity symbol inquire the transmission facility status information and by its It is sent to user terminal.
Step S240:User terminal receives the status information and goes forward side by side row information presentation.
Specifically, when needing to read the status information of a certain transmission facility, pass through the two-dimensional code scanning etc. of user terminal Mode obtains the encrypted device coding information of the transmission facility, and sends it to server.Preferably, this is encrypted Device coding information exists with Quick Response Code or bar code form.Server receives the device coding information and it is decrypted solution Analysis is accorded with the unique identity for obtaining the transmission facility, wherein can be inquired the transmission of electricity by unique identity symbol and be set Standby detailed status information.Then the status information of the transmission facility inquired or transmission are accessed the status information by server Page link be sent to user terminal, to realize that the status information of the transmission facility is presented on the subscriber terminal to be made with user With.
Preferably, when being read by the user terminal scene of carrying out, before step S210, may also include, step S200:Clothes Business device receives the identity information that logs in for carrying out user terminal, and it is to be sent after authorizing identity information that identity information is logged in described in verification Information is proved to be successful to user terminal.
Specifically, when user terminal needs to scan the device coding information for obtaining transmission facility, it is necessary first to server The identity information that logs in carrying out user terminal is verified.User terminal is received logs in identity information by what user was manually entered And be sent to server and verified, server logs in identity information and inquires this and log in whether identity information is receiving this The identity information of the mandate of storage.If it is to authorize identity information, server that transmission is proved to be successful letter that this, which logs in identity information, User terminal is ceased to notify to allow to log in, and otherwise sends authentication failed information to user terminal to notify this to log in identity information Load right is not obtained, therefore does not allow to log in and remote access server.By the increase this log in identity information verification can Further increase the safety of device coding message reference and management.
Wherein, server is previously stored with the status information of transmission facility, the status information mainly by administrative staff into The advance typing of row, and the status information of equipment is correspondingly established so that user can check by user terminal.Exemplarily, it can adopt The status information of all transmission facilities is established with data form or database mode.In the present embodiment, the shape of transmission facility State information may include but be not limited to as site operation record, channel disposition, channel trees hidden danger householder information, overhaul technological transformation Record, defect situation and partial component information etc., wherein partial component information may include but be not limited to as cable, insulator etc. The record information of partial picture.
Server distributes a unique identification identifier also according to each transmission facility that pre-arranged code rule is storage, Unique identification identifier is used to search the status information of corresponding transmission facility.Then, it also can be used in encoded pre- If Encryption Algorithm is encrypted to generate encrypted cipher-text information to unique identity symbol, compiled for improving equipment The safety of code information.Preferably, encrypted cipher-text information is also generated into the forms such as Quick Response Code, and the pattern in 2 D code is attached to On corresponding transmission facility, to facilitate the direct scanning of user terminal to obtain.
Wherein, the pre-arranged code rule may include but be not limited to, using one kind or combination by number and letter To carry out unique encodings.By taking shaft tower equipment as an example, it can be encoded according to the type of shaft tower, their location, model etc..It is exemplary Ground, if shaft tower is on the Article 2 circuit in Huidong County area, and the 5th shaft tower of the model anchor support of shaft tower, then it corresponds to Coding can be THD002NZ005, wherein T is represented as shaft tower equipment, and HD is represented as Huidong area, and 002 is represented as Article 2 line Road, NZ be represented as anchor support type and 005 be represented as the equipment be the 5th anchor support.Certainly, above-mentioned citing be mainly used for Go out a coding rule demonstration, specific coding rule can accordingly be encoded according to actual demand.If for example, total transmission of electricity The number of equipment is limited, can also directly use the numeric sorting coding rule of certain digit to distribute one to all transmission facilities Unique identification identifier etc..
Wherein, the preset Encryption Algorithm may include but be not limited to des encryption algorithm, AES encryption algorithm, rsa encryption Algorithm, Base64 Encryption Algorithm, md5 encryption algorithm and one kind in SHA1 Encryption Algorithm or combination.By to unique identities mark Know symbol be encrypted so that unauthorized user scanning generated to the device coding information Quick Response Code when after occur mess code show As to obtain any information less than the transmission facility.The safety that can be used for improving transmission facility information in this way, to prevent Other people arbitrarily can obtain and access the status information etc. of transmission facility.
The present embodiment can facilitate transmission line of electricity O&M, realize that operation maintenance personnel finds transmission facility at the first time at the scene Status information, grasp as site operation record, channel disposition, channel trees hidden danger householder information, overhaul technological transformation record, The transmission line informations such as defect situation, and using these information to carry out site assessment to the health degree of circuit, for live O&M Decision provides foundation, greatly improves work efficiency.It is carried not in addition, the present embodiment not only overcomes transmission line information data Just defect, and reduce the workload inquired in reference room of personnel, improve transmission line information inquiry convenience and Accuracy.
It will be appreciated by those skilled in the art that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, module in attached drawing or Flow is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into Row is distributed in the device of implement scene, can also be carried out respective change and is located at the one or more dresses for being different from this implement scene In setting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
Aforementioned present invention serial number is for illustration only, does not represent the quality of implement scene.Disclosed above is only the present invention Several specific implementation scenes, still, the present invention is not limited to this, and the changes that any person skilled in the art can think of is all Protection scope of the present invention should be fallen into.

Claims (10)

1. a kind of transmission facility information-reading method, which is characterized in that including:
Receive the encrypted device coding information for carrying out user terminal, wherein the device coding information includes transmission facility Unique identity symbol;
The device coding information is decrypted to obtain the unique identity symbol;
The status information of the transmission facility is obtained according to unique identity symbol and is sent to the user terminal.
2. transmission facility information-reading method according to claim 1, which is characterized in that " receive described and come from user Before the encrypted device coding information of terminal ", the method further includes:
The identity information that logs in from the user terminal is received, and logs in identity information described in verification to be sent after authorized user Information is proved to be successful to the user terminal.
3. transmission facility information-reading method according to claim 1, which is characterized in that " receive described and come from user Before the encrypted device coding information of terminal ", the method further includes:
Unique identity symbol is encrypted according to predetermined encryption algorithm, is believed with obtaining the encrypted device coding Breath.
4. transmission facility information-reading method according to claim 1, which is characterized in that further include:
It receives by the fresh information of the transmission facility sent after the user terminal editor, and according to the fresh information pair The status information is updated storage.
5. transmission facility information-reading method according to claim 1, which is characterized in that the encrypted device coding Information exists with Quick Response Code or bar code form.
6. a kind of transmission facility information system, which is characterized in that including:Transmission facility, user terminal and server;
The user terminal is for obtaining encrypted device coding information and being sent to the server, wherein the equipment Coding information includes the unique identity symbol of the transmission facility;
The server storage has the status information of the transmission facility, for receiving the device coding information, and to its into Row decryption is accorded with the unique identity for obtaining the transmission facility;The transmission of electricity is obtained also according to unique identity symbol The status information of equipment is simultaneously sent to the user terminal so that the status information is presented.
7. transmission facility information system according to claim 6, which is characterized in that the server is additionally operable to,
Before receiving encrypted device coding information, the identity information that logs in from the user terminal is received, and verify The identity information that logs in is proved to be successful information to the user terminal to be sent after pre-authorization identity information.
8. transmission facility information system according to claim 6, which is characterized in that the server is each transmission facility One unique identity symbol of distribution, the server are used to search corresponding transmission facility according to unique identity symbol Status information.
9. transmission facility information system according to claim 6, which is characterized in that the server is additionally operable to according to default Unique identity symbol is encrypted in Encryption Algorithm, to obtain the encrypted device coding information.
10. transmission facility information system according to claim 6, which is characterized in that the encrypted device coding letter Breath is grown up to be a useful person the corresponding Quick Response Code of generation or bar code by two-dimension code generator or bar code generating, and by the Quick Response Code or bar shaped Code is labelled on the corresponding transmission facility.
CN201810475402.5A 2018-05-17 2018-05-17 Transmission facility information-reading method and transmission facility information system Pending CN108681779A (en)

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Application Number Priority Date Filing Date Title
CN201810475402.5A CN108681779A (en) 2018-05-17 2018-05-17 Transmission facility information-reading method and transmission facility information system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111652390A (en) * 2020-05-28 2020-09-11 广东电网有限责任公司 Power transmission operation and maintenance management equipment and management method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140042423A (en) * 2012-09-28 2014-04-07 한전케이디엔주식회사 Manegement system for intelligent distribution automation system
CN106295944A (en) * 2015-06-29 2017-01-04 国网河南省电力公司南阳供电公司 A kind of transforming plant protecting interval inquiry management system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140042423A (en) * 2012-09-28 2014-04-07 한전케이디엔주식회사 Manegement system for intelligent distribution automation system
CN106295944A (en) * 2015-06-29 2017-01-04 国网河南省电力公司南阳供电公司 A kind of transforming plant protecting interval inquiry management system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111652390A (en) * 2020-05-28 2020-09-11 广东电网有限责任公司 Power transmission operation and maintenance management equipment and management method

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Application publication date: 20181019