CN113489794A - Communication interaction method for intelligent identification master station and intelligent station end equipment of transformer substation - Google Patents
Communication interaction method for intelligent identification master station and intelligent station end equipment of transformer substation Download PDFInfo
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- 238000004891 communication Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000003993 interaction Effects 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000012545 processing Methods 0.000 claims abstract description 11
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 5
- 206010048669 Terminal state Diseases 0.000 claims description 4
- 238000007405 data analysis Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000012795 verification Methods 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 description 8
- 238000007726 management method Methods 0.000 description 7
- 238000003745 diagnosis Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 238000013024 troubleshooting Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
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- 238000012423 maintenance Methods 0.000 description 3
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- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit 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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network 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
- H04L63/0442—Network 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 wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S40/00—Systems 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
- Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
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- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
A communication interaction method for a substation intelligent identification master station and intelligent station side equipment comprises the following steps: the sender encrypts the message by using a private encryption protocol and sends the message and the check code to the receiving end; the receiving end decrypts the encrypted message by using a reverse method and calculates a CRC (cyclic redundancy check) code of the message; when the check code is not consistent with the CRC check code, the sender is informed to retransmit the processing; and when the check code is consistent with the CRC check code, the receiving end completes the reception of the message. The invention can provide the interaction of the equipment state information of the main station platform and the intelligent station terminal equipment, the main station command issuing, the image original data and the image identification information through the communication interface. The invention provides a stable and reliable transmission link, realizes the mechanisms of data packet loss continuous transmission, data packet transmission verification, data encryption and the like, compresses the content of a long message, fully utilizes the bandwidth of a transmission channel and provides an efficient and reliable communication interface.
Description
Technical Field
The invention discloses a communication interaction method of an intelligent identification master station and intelligent station side equipment of a transformer substation, and belongs to the technical field of intelligent inspection communication of the transformer substation.
Background
At present, the management and behavior control of the personnel in the operation site of the transformer substation completely depend on manual checking and monitoring, the responsibility of the personnel is highly depended on, and the hidden danger that the site control is not in place exists. The conventional substation video system cannot automatically identify abnormal conditions such as fire, foreign matter floating and the like, and cannot find out sudden defects of a substation site in time.
Therefore, the transformer substation artificial intelligence analysis system is a new technology, can monitor a plurality of targets in the same scene simultaneously, and can be used for replacing the traditional video inspection and defect identification, safety early warning, hidden danger troubleshooting, meter reading and other work performed by an intelligent robot. Therefore, the transformer substation artificial intelligence analysis system can replace work such as manual inspection, instrument recognition and potential safety hazard early warning in a large area, the workload of inspection personnel can be greatly reduced, the working intensity is relieved, and the working efficiency is optimized and improved.
However, with the popularization and application of the intelligent analysis system, the corresponding video devices, environment detection sensors and other devices are more and more accessed, and the communication interaction among the subsystems is more and more frequent, so that a large amount of data transmission and operation work is promoted. In order to solve the problem of transmission and analysis of mass data, technical personnel in the technical field usually solve the problem by improving hardware configuration, expanding hardware processing capacity and the like, however, the solution method not only has a large cost investment, but also reproduces the technical problem with the sharp increase of information. How to fundamentally solve or alleviate the technical problems becomes a problem of great concern to those skilled in the art, especially on the side of popularizing and using the intelligent analysis system.
Chinese patent document CN107395325A discloses a self-adaptive estimation transmission method serving a tactical communications network, which reasonably adjusts a communication strategy by continuously estimating a current channel state, so as to achieve an optimal bandwidth utilization rate under a reliable transmission principle. The method selects communication equipment according to the principle of maximum bandwidth under the condition of data communication in the transmission process, and determines initial values of parameters of a reliable transmission protocol according to the selected equipment. And then, in the transmission process, continuously monitoring the conditions of the size of the data packet, channel delay, packet loss rate and the like in the transmission process, and estimating parameters such as the size of the optimal data packet, the size of a concurrent sliding window, the life cycle of the data packet and the like in the transmission process according to the conditions. And finally, the effect of utilizing the effective channel bandwidth to the maximum extent on the premise of ensuring that the channel is not blocked and the packet is lost is achieved.
Chinese patent document CN111556136A discloses a data interaction method between internal containers of an electric power edge internet of things agent, where a virtual switch management module is set in a user mode of running an operating system on the edge internet of things agent, and function predefining is performed on a virtual switch; loading a predefined virtual switch in a kernel mode of an operating system to form a data exchange network between containers; the virtual switch creates at least one virtual network card for each container, and at least one physical communication port is used as a communication port of the virtual switch; a plurality of virtual ports carry out port study according to predetermineeing the information group, and the look-up table is forwarded in the formation according to predetermineeing and forwardding for follow-up message is forwardded, can carry out accurate discernment management to the network data package, adopts self-defined safety protocol to carry out secondary packaging, has strengthened network interaction data security, has promoted the isolation strength between the container for original APP can not modify TCP/IP agreement communication code and direct operation, has guaranteed APP's compatibility.
Chinese patent document CN111541718A discloses an internal and external network interaction method, system and data transmission method for an electric power terminal, which provides an internal and external network interaction method, system and data transmission method for an electric power terminal, the interaction method is applied to an interaction device at a request terminal side, and includes: receiving a request message sent by a request terminal; judging whether the request message meets a preset safety verification condition or not; when the request message meets a preset safety verification condition, extracting request parameter information from the request message, and writing the request parameter information into a safety isolation device database; reading response parameter information from the database of the safety isolation device, and generating a response message according to the response parameter information; and sending the response message to the request terminal to establish communication connection between the request terminal and the response terminal. Therefore, the transmission of the malformed messages and the carried virus data between the internal network and the external network possibly caused by the transmission of the whole message is avoided, the safety isolation between the internal network and the external network is realized, and the safety communication between the request terminal and the response terminal is ensured.
Chinese patent document CN110474814A relates to a method and an apparatus for diagnosing a fault in a power lan. The method comprises the following steps: acquiring a data interaction message between a first communication node and a second communication node in the power local area network; extracting message header information from the data interaction message; carrying out diagnosis analysis on message header information according to a diagnosis knowledge base to obtain troubleshooting information; and the diagnosis knowledge base comprises corresponding troubleshooting information of the message header information among different communication nodes of the power local area network under different conditions. By adopting the method, the troubleshooting information between the communication nodes can be quickly obtained, so that operation and maintenance personnel can quickly process the troubleshooting information, the troubleshooting efficiency is improved, and the stable operation of a service system is further ensured.
Chinese patent document CN108055148A discloses an automatic traceable power wireless private network management diagnosis method, which is applied to a power wireless system network management server, and the network management server extracts service master station, core network, base station, communication terminal and service terminal interaction message logs respectively, adds a timestamp mark, associates each device node log with the communication terminal as a center, and stores the log into a corresponding data table of a traceable source database; when the terminal is in an off-line state, a false operation state or a failure operation state, the network management server searches the log of the terminal and the equipment related to the terminal from the tracing database, and the position of a fault point is diagnosed and positioned by matching the time stamp and the characteristic value in the log message. The invention is oriented to the wireless private network environment, and designs a specific log traceability mechanism and a fault diagnosis method aiming at the communication characteristics of the power service; therefore, automatic fault diagnosis is realized, operation and maintenance responsibilities are cleared conveniently, the operation and maintenance efficiency of the power wireless private network is improved, and the application prospect is good.
Therefore, the technical field starts with the analysis from the perspective of data and data transmission, and finds that in an actual working scene, the acquisition terminal and the central server are various in types, the interface protocol is complex, different manufacturers do not have encryption and error-checking retransmission mechanisms for signal transmission, and the transmission requirement of the intelligent analysis platform for large data volume cannot be met.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses a communication interaction method of an intelligent identification master station and intelligent station-side equipment of a transformer substation. The invention optimizes software layers of data message organization, transmission strategy, data grouping and the like to meet the requirements of large capacity of the server and high real-time performance of monitoring data.
Interpretation of terms:
a master station: the intelligent station end data management system is generally deployed in a power supply company monitoring room and used for summarizing information of each intelligent station end device, grouping the station end data according to an administrative level and simultaneously checking the data of each station end.
Intelligent station end equipment: and the equipment is deployed in each transformer substation or distribution room and is used for collecting and displaying environmental information, real-time images, video information and the like of the place.
The detailed technical scheme of the invention is as follows:
a communication interaction method for a substation intelligent identification master station and intelligent station side equipment is characterized by comprising the following steps:
the method comprises the steps that communication is carried out between a master station and intelligent station end equipment in a message mode, and the message comprises a message header and a message main body;
the message header comprises: distinguishing task numbers according to the content of message transmission, wherein the task numbers are respectively a task number code of 4 bytes, a message length of 4 bytes, a check code of 4 bytes and reserved 4 bytes as standby, and a message header occupies 16 bytes; data analysis processing is respectively carried out between the master station and the intelligent station end equipment according to the task number codes;
the message body includes but is not limited to: heartbeat package, file byte stream, file metadata, terminal state, for example: basic state data, sensor data, collected image files, image recognition results, control action instructions of the master station to the station end equipment, return states of the station end equipment after receiving the instructions, and the like;
the communication interaction method comprises the following steps:
1) the sender encrypts the message by using a private encryption protocol and sends the message and the check code to the receiving end;
2) the receiving end decrypts the encrypted message by using a reverse method and calculates a CRC (cyclic redundancy check) code of the message;
when the check code of the step 1) is inconsistent with the CRC check code, informing the sender to perform the step 1) retransmission processing, and performing the step 2) processing by the receiving end;
and when the check code in the step 1) is consistent with the CRC check code, the receiving end completes the reception of the message.
According to the invention, before the step 1), the transmission content of the message is shaped into the task number code, and the heartbeat packet, the file byte stream, the file metadata, the terminal state and the like are shaped into shaped data with 4 bytes as the task number code.
According to the preferred embodiment of the present invention, the format adopted by the message body is: json string format; the main body of the message adopts a format as follows: a format in which the Json string is combined with a binary stream.
According to the invention, the data corresponding to the message body is divided, grouped and compressed, and then packaged. The data form corresponding to the message main body comprises a plurality of groups of collected values of a picture file or a certain sensor, generally, the data volume of the data is large, and the single data is long, so that the data is divided according to the size of 1k-3k, and then the divided data is grouped and compressed and packaged.
The technical advantages of the invention are as follows:
the invention is mainly applied to the interactive communication between the intelligent identification master station of the transformer substation and the intelligent station end equipment, and can provide the interaction between the equipment state information of the master station platform and the intelligent station end equipment, the master station command issuing, the image original data and the image identification information through the communication interface. The invention provides a stable and reliable transmission link, realizes the mechanisms of data packet loss continuous transmission, data packet transmission verification, data encryption and the like, compresses the content of a long message, fully utilizes the bandwidth of a transmission channel and provides an efficient and reliable communication interface.
Detailed Description
The present invention will be described in detail with reference to examples, but is not limited thereto.
Examples of the following,
A communication interaction method for a substation intelligent identification master station and intelligent station side equipment comprises the following steps:
the method comprises the steps that communication is carried out between a master station and intelligent station end equipment in a message mode, and the message comprises a message header and a message main body;
the message header comprises: distinguishing task numbers according to the content of message transmission, wherein the task numbers are respectively a task number code of 4 bytes, a message length of 4 bytes, a check code of 4 bytes and reserved 4 bytes as standby, and a message header occupies 16 bytes; data analysis processing is respectively carried out between the master station and the intelligent station end equipment according to the task number codes;
the message body includes but is not limited to: heartbeat package, file byte stream, file metadata, terminal state, for example: basic state data, sensor data, collected image files, image recognition results, control action instructions of the master station to the station end equipment, return states of the station end equipment after receiving the instructions, and the like;
the communication interaction method comprises the following steps:
1) the sender encrypts the message by using a private encryption protocol and sends the message and the check code to the receiving end;
2) the receiving end decrypts the encrypted message by using a reverse method and calculates a CRC (cyclic redundancy check) code of the message;
when the check code of the step 1) is inconsistent with the CRC check code, informing the sender to perform the step 1) retransmission processing, and performing the step 2) processing by the receiving end;
and when the check code in the step 1) is consistent with the CRC check code, the receiving end completes the reception of the message.
Shaping the transmission content of the message into a task number code before the step 1).
The message body adopts the following format: json string format; the main body of the message adopts a format as follows: a format in which the Json string is combined with a binary stream.
And performing segmentation, grouping compression and packaging on the data corresponding to the message main body.
Application examples,
The communication interaction method of the intelligent identification master station and the intelligent station terminal equipment of the transformer substation is applied to a target transformer substation, the target transformer substation is respectively provided with an intelligent terminal in a GIS room, a master control room and a station transformer, and the intelligent terminal is connected to an internet special line through 4G and is connected with an intelligent identification server at a far end. The intelligent terminal is an intelligent station terminal, and the intelligent identification server is an intelligent identification master station of the transformer substation.
The sending communication interaction of the heartbeat packet is as follows:
a. the intelligent station terminal equipment organizes information such as terminal identification, sending time, terminal version number and the like into a Json packet to serve as heartbeat information, after encryption and compression, the Json packet is connected with a master station, and the heartbeat packet is sent at regular time; wherein, the encryption and compression belong to the methods described in the embodiments;
b. the master station receives the connection of the intelligent station end equipment, and receives the heartbeat packet after the connection is established;
c. the master station analyzes the packet header according to the length of the packet header, decompresses the message body after receiving the message body, reversely decrypts the message content and then processes the message, wherein the processed message is not the content to be protected by the invention;
d. and the master station updates the survival time of the intelligent station end equipment stored in the master station and maintains the connection with the intelligent station end equipment.
The transmission communication interaction of the picture data is as follows:
a. the master station organizes a grab image command, packages the grab image command and sends the grab image command to the intelligent station side equipment for identifying the designated image;
b. the intelligent station end equipment receives the message, analyzes the packet header and enters a grab operation logic according to the analyzed task number code; the analyzed message length is read according to the length, and then the image capturing operation is executed according to the content of the packet body;
c. the intelligent station end equipment finishes image capture and stores the image to the local;
d. the intelligent station side equipment divides the picture file into a plurality of subblock byte streams according to the size of the picture file and the size of 1k-3k to form a data block;
e. encrypting and compressing each data block to generate data to be transmitted;
f. calculating the length of data to be transmitted, and organizing the length of a data block into Json: json records information such as a file name of a source file, an offset address of the data block in the source file and the like at the same time, calculates a CRC (cyclic redundancy check) code and adds the CRC code to Json;
g. transmitting the organized data packet to the master station;
h. the master station analyzes the message, distinguishes the message according to the file name in the message, integrates all file fragments with the same file name in the received message into a picture, and completes the receiving and sending of picture data;
i. after the intelligent station end equipment sends a picture, if the master station finds that a packet is missing or calculates the condition that the CRC code of the whole file is not matched with the transmitted check code in the picture organizing process, the intelligent station end equipment sends a command again according to the steps and informs the station end of uploading the missing message again.
The message example in this embodiment is as follows:
wherein the preset bit id: the unique ID representing the position of the camera corresponding to the intelligent station side equipment is used for distinguishing different scenes;
alarm policy id list: the object identified by the photo, and the record ID of the object in the database;
UuID: and the unique identifier of the equipment for uploading data corresponds to a unique UUID of different intelligent station side equipment.
Claims (4)
1. A communication interaction method for a substation intelligent identification master station and intelligent station side equipment is characterized by comprising the following steps:
the method comprises the steps that communication is carried out between a master station and intelligent station end equipment in a message mode, and the message comprises a message header and a message main body;
the message header comprises: distinguishing task numbers according to the content of message transmission, wherein the task numbers are respectively a task number code of 4 bytes, a message length of 4 bytes, a check code of 4 bytes and reserved 4 bytes as standby, and a message header occupies 16 bytes; data analysis processing is respectively carried out between the master station and the intelligent station end equipment according to the task number codes;
the message body includes but is not limited to: heartbeat package, file byte stream, file metadata, terminal state;
the communication interaction method comprises the following steps:
1) the sender encrypts the message by using a private encryption protocol and sends the message and the check code to the receiving end;
2) the receiving end decrypts the encrypted message by using a reverse method and calculates a CRC (cyclic redundancy check) code of the message;
when the check code of the step 1) is inconsistent with the CRC check code, informing the sender to perform the step 1) retransmission processing, and performing the step 2) processing by the receiving end;
and when the check code in the step 1) is consistent with the CRC check code, the receiving end completes the reception of the message.
2. The communication interaction method between the intelligent identification master station of the transformer substation and the intelligent station terminal equipment as claimed in claim 1, wherein before the step 1), the transmission content of the message is shaped into a task number code.
3. The communication interaction method of the intelligent substation identification master station and the intelligent substation side equipment according to claim 1, wherein the message body adopts a format of: json string format; the main body of the message adopts a format as follows: a format in which the Json string is combined with a binary stream.
4. The communication interaction method of the intelligent identification master station of the transformer substation and the intelligent station-side equipment as claimed in claim 1, wherein the data corresponding to the message body is segmented, grouped and compressed, and then packaged.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117315808A (en) * | 2023-11-28 | 2023-12-29 | 成都博瑞科传科技有限公司 | Portable water quality inspection instrument based on data integrity verification and acquisition method |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001045317A2 (en) * | 1999-12-15 | 2001-06-21 | Ericsson Inc. | Methods and apparatus for selective encryption and decryption of point to multi-point messages |
| US6463071B1 (en) * | 1998-08-17 | 2002-10-08 | 3Com Corporation | Method and system to communicate prioritized traffic via fixed length data communication frames |
| US20040138786A1 (en) * | 1994-12-30 | 2004-07-15 | Power Measurement, Ltd. | Method and system for master slave protocol communication in an intelligent electronic device |
| CN1868160A (en) * | 2003-10-17 | 2006-11-22 | 日本电气株式会社 | Arq control in an hsdpa communications system |
| CN101841388A (en) * | 2009-03-18 | 2010-09-22 | 中国科学院沈阳计算技术研究所有限公司 | Information security transmission method for numerical control bus |
| CN102111273A (en) * | 2010-12-30 | 2011-06-29 | 中国电力科学研究院 | Pre-sharing-based secure data transmission method for electric load management system |
| CN103746962A (en) * | 2013-12-12 | 2014-04-23 | 华南理工大学 | GOOSE electric real-time message encryption and decryption method |
| CN104468703A (en) * | 2014-10-20 | 2015-03-25 | 广东电网有限责任公司江门供电局 | Communication method and system for distributed small power source and upper computer |
| CN104506484A (en) * | 2014-11-11 | 2015-04-08 | 中国电子科技集团公司第三十研究所 | Proprietary protocol analysis and identification method |
| CN104618064A (en) * | 2015-02-13 | 2015-05-13 | 广州供电局有限公司 | Monitoring method and device for static information based on CRC (Cyclic Redundancy Check) inspection |
| WO2015139473A1 (en) * | 2014-03-18 | 2015-09-24 | 国家电网公司 | Method for managing and controlling system configuration document in intelligent substation |
| JP2016019058A (en) * | 2014-07-04 | 2016-02-01 | 株式会社日立製作所 | Control system, power conversion device, and controlling method |
| CN107659629A (en) * | 2017-09-19 | 2018-02-02 | 国家电网公司 | A kind of efficient electrical power archives synchronous method suitable for power information acquisition system |
| WO2018049584A1 (en) * | 2016-09-14 | 2018-03-22 | 国家电网公司 | Method for avoiding data message collision in communication network within substation |
| CN108446132A (en) * | 2018-03-27 | 2018-08-24 | 宁波三星医疗电气股份有限公司 | A method of remotely updating electric power acquisition terminal software based on TFTP |
| CN108768927A (en) * | 2018-04-04 | 2018-11-06 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Secret communication method and device |
| CN109981812A (en) * | 2019-03-13 | 2019-07-05 | 深圳供电局有限公司 | Inter-station communication method and device for multiple transformer substations and computer equipment |
| CN110557619A (en) * | 2019-09-24 | 2019-12-10 | 智洋创新科技股份有限公司 | video control method for intelligent patrol of transformer substation |
| CN110662226A (en) * | 2019-08-28 | 2020-01-07 | 重庆大学 | Novel networking protocol method based on ubiquitous power Internet of things |
| CN112511555A (en) * | 2020-12-15 | 2021-03-16 | 中国电子科技集团公司第三十研究所 | Private encryption protocol message classification method based on sparse representation and convolutional neural network |
-
2021
- 2021-07-07 CN CN202110768362.5A patent/CN113489794A/en active Pending
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040138786A1 (en) * | 1994-12-30 | 2004-07-15 | Power Measurement, Ltd. | Method and system for master slave protocol communication in an intelligent electronic device |
| US6463071B1 (en) * | 1998-08-17 | 2002-10-08 | 3Com Corporation | Method and system to communicate prioritized traffic via fixed length data communication frames |
| WO2001045317A2 (en) * | 1999-12-15 | 2001-06-21 | Ericsson Inc. | Methods and apparatus for selective encryption and decryption of point to multi-point messages |
| CN1868160A (en) * | 2003-10-17 | 2006-11-22 | 日本电气株式会社 | Arq control in an hsdpa communications system |
| CN101841388A (en) * | 2009-03-18 | 2010-09-22 | 中国科学院沈阳计算技术研究所有限公司 | Information security transmission method for numerical control bus |
| CN102111273A (en) * | 2010-12-30 | 2011-06-29 | 中国电力科学研究院 | Pre-sharing-based secure data transmission method for electric load management system |
| CN103746962A (en) * | 2013-12-12 | 2014-04-23 | 华南理工大学 | GOOSE electric real-time message encryption and decryption method |
| WO2015139473A1 (en) * | 2014-03-18 | 2015-09-24 | 国家电网公司 | Method for managing and controlling system configuration document in intelligent substation |
| JP2016019058A (en) * | 2014-07-04 | 2016-02-01 | 株式会社日立製作所 | Control system, power conversion device, and controlling method |
| CN104468703A (en) * | 2014-10-20 | 2015-03-25 | 广东电网有限责任公司江门供电局 | Communication method and system for distributed small power source and upper computer |
| CN104506484A (en) * | 2014-11-11 | 2015-04-08 | 中国电子科技集团公司第三十研究所 | Proprietary protocol analysis and identification method |
| CN104618064A (en) * | 2015-02-13 | 2015-05-13 | 广州供电局有限公司 | Monitoring method and device for static information based on CRC (Cyclic Redundancy Check) inspection |
| WO2018049584A1 (en) * | 2016-09-14 | 2018-03-22 | 国家电网公司 | Method for avoiding data message collision in communication network within substation |
| CN107659629A (en) * | 2017-09-19 | 2018-02-02 | 国家电网公司 | A kind of efficient electrical power archives synchronous method suitable for power information acquisition system |
| CN108446132A (en) * | 2018-03-27 | 2018-08-24 | 宁波三星医疗电气股份有限公司 | A method of remotely updating electric power acquisition terminal software based on TFTP |
| CN108768927A (en) * | 2018-04-04 | 2018-11-06 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Secret communication method and device |
| CN109981812A (en) * | 2019-03-13 | 2019-07-05 | 深圳供电局有限公司 | Inter-station communication method and device for multiple transformer substations and computer equipment |
| CN110662226A (en) * | 2019-08-28 | 2020-01-07 | 重庆大学 | Novel networking protocol method based on ubiquitous power Internet of things |
| CN110557619A (en) * | 2019-09-24 | 2019-12-10 | 智洋创新科技股份有限公司 | video control method for intelligent patrol of transformer substation |
| CN112511555A (en) * | 2020-12-15 | 2021-03-16 | 中国电子科技集团公司第三十研究所 | Private encryption protocol message classification method based on sparse representation and convolutional neural network |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117315808A (en) * | 2023-11-28 | 2023-12-29 | 成都博瑞科传科技有限公司 | Portable water quality inspection instrument based on data integrity verification and acquisition method |
| CN117315808B (en) * | 2023-11-28 | 2024-02-13 | 成都博瑞科传科技有限公司 | Portable water quality inspection instrument based on data integrity verification and acquisition method |
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