CN114389642B - Distribution network communication method and system based on edge internet of things proxy - Google Patents
Distribution network communication method and system based on edge internet of things proxy Download PDFInfo
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/546—Combination of signalling, telemetering, protection
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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
- H02J13/00006—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 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
- H02J13/00007—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 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
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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
- H04L63/0435—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 symmetric encryption, i.e. same key used for encryption and decryption
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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
- 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
- Y04S40/12—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 characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—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 characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
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- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
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- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The application discloses a distribution network communication method and a distribution network communication system based on an edge internet of things agent, wherein the distribution network communication method based on the edge internet of things agent comprises the steps of generating a task instruction through a master station, and sending the task instruction to an intermediate station through a power carrier wave so as to drive and control the intermediate station; distributing task instructions to n edge nodes through an intermediate station, and comprehensively regulating and controlling the communication sequence among the edge nodes; after receiving the task instruction, the edge node acquires and processes the original data of m terminals, and sends the processed data to the intermediate station to complete communication; according to the application, the communication utilization rate is effectively improved by fusing edge calculation and association rules, and the communication safety is improved by designing a safety encryption algorithm.
Description
Technical Field
The application relates to the technical field of distribution network communication, in particular to a distribution network communication method and system based on an edge internet of things proxy.
Background
With the development and popularization of smart power grids, the application data volume of a power distribution network is larger and larger, the requirements on safety and reliability are higher, the real-time requirements cannot be met by adopting traditional carrier communication, the development of communication technology promotes the updating of equipment, the internet of things is gradually popularized, equipment devices of the internet of things are largely connected into the power distribution network, however, the communication protocols of various equipment are not uniform, the topology structure is changeable and complex after the equipment is connected into the power distribution network, a low-voltage distribution network communication system in the prior art faces to a large number of suddenly increased equipment, complicated steps are needed when the service requirements of the equipment are processed, the communication quality is seriously reduced, and the communication safety hidden trouble is large.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The present application has been made in view of the above-described problems occurring in the prior art.
In order to solve the technical problems, the application provides the following technical scheme: the distribution network communication method based on the edge internet of things agent is characterized by comprising the following steps: generating a task instruction through a master station, and sending the task instruction to an intermediate station through a power carrier wave so as to drive and control the intermediate station; distributing the task instruction to n edge nodes through the intermediate station, and comprehensively regulating and controlling the communication sequence among the edge nodes; after receiving the task instruction, the edge node acquires and processes the original data of m terminals, and sends the processed data to the intermediate station to complete communication; where n=m.
As a preferable scheme of the distribution network communication method based on the edge internet of things proxy, the application comprises the following steps: the method comprises the steps that the master station sends a proxy control system to the terminal through the intermediate station, and the terminal is set to be a new temporary or permanent edge node.
As a preferable scheme of the distribution network communication method based on the edge internet of things proxy, the application comprises the following steps: the data mining method comprises the steps that a cloud center is arranged on the master station, and data of n edge nodes are mined through the depth of the cloud center.
As a preferable scheme of the distribution network communication method based on the edge internet of things proxy, the application comprises the following steps: the master station may be connected to a plurality of intermediate stations, which are equipped with integrated servers for edge computation, one intermediate station being responsible for monitoring and controlling all edge nodes in an area.
As a preferable scheme of the distribution network communication method based on the edge internet of things proxy, the application comprises the following steps: the edge node is provided with a safety protection module and an intelligent gateway; the edge node and the terminal are subjected to self-checking regularly through the safety protection module, and original data are encrypted; and the intelligent gateway is connected with the terminal.
As a preferable scheme of the distribution network communication method based on the edge internet of things proxy, the application comprises the following steps: processing the original data comprises the steps of carrying out association rule mining on the original data, judging whether an intermediate station can be connected according to association rules, if so, carrying out encryption processing on the original data through the safety protection module, and sending the processed data to the intermediate station through an intelligent gateway; otherwise, the original data is re-received.
As a preferable scheme of the distribution network communication method based on the edge internet of things proxy, the application comprises the following steps: the mining association rule includes that,
wherein min (f) is a minimized correlation function, k is an original data capacity, aE (0.5, 1) is an excavation learning coefficient, s i Frequent item set, x, for the ith raw data i Is the ith original data; when min (f)>0.9, intermediate stations may be connected.
As a preferable scheme of the distribution network communication method based on the edge internet of things proxy, the application comprises the following steps: the encryption processing comprises the steps of converting the original data into t 3*3 matrixes, encrypting the t 3*3 matrixes by using an AES algorithm to obtain ciphertext c n A key z; encrypting the ciphertext c using the key z n And obtaining the ciphertext U.
As a preferable scheme of the distribution network communication system based on the edge internet of things agent, the application comprises the following steps: the system comprises a master station, a central processing unit, a control unit and a control unit, wherein the master station is used for generating task instructions and driving and controlling the intermediate station and the terminal; the intermediate station is connected with the master station, receives the task instruction through a power carrier, and is used for distributing the task instruction to n edge nodes and comprehensively regulating and controlling the communication sequence among the edge nodes; the edge node is connected with the intermediate station and is used for acquiring and processing the original data of the m terminals, and sending the processed data to the intermediate station to finish communication; where n=m.
As a preferable scheme of the distribution network communication system based on the edge internet of things agent, the application comprises the following steps: the edge node is provided with a safety protection module and an intelligent gateway; the safety protection module is used for carrying out self-checking on the edge node and the terminal at regular intervals and carrying out encryption processing on the original data; and the intelligent gateway is used for realizing the communication between the edge node and the terminal.
The application has the beneficial effects that: according to the application, the communication utilization rate is effectively improved by fusing edge calculation and association rules, and the communication safety is improved by designing a safety encryption algorithm.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a flow chart of a distribution network communication method based on an edge internet of things agent according to a first embodiment of the present application;
fig. 2 is a schematic structural diagram of a distribution network communication system based on an edge internet of things proxy according to a second embodiment of the present application.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present application can be understood in detail, a more particular description of the application, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
While the embodiments of the present application have been illustrated and described in detail in the drawings, the cross-sectional view of the device structure is not to scale in the general sense for ease of illustration, and the drawings are merely exemplary and should not be construed as limiting the scope of the application. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Also in the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "upper, lower, inner and outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first, second, or third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected, and coupled" should be construed broadly in this disclosure unless otherwise specifically indicated and defined, such as: can be fixed connection, detachable connection or integral connection; it may also be a mechanical connection, an electrical connection, or a direct connection, or may be indirectly connected through an intermediate medium, or may be a communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1, in a first embodiment of the present application, a method for network communication based on an edge internet of things agent is provided, including:
s1: a task instruction is generated by the master station 100 and transmitted to the intermediate station 200 through a power carrier to drive and control the intermediate station 200.
It should be noted that "task instruction" is used to drive and control the intermediate station 200; the master station 100 transmits a proxy control system to the terminal 400 through the intermediate station 200, and can set the terminal 400 as a new edge node, either temporary or permanent.
The master station 100 is provided with a cloud center through which data of n edge nodes 300 are deep mined.
S2: the task instructions are distributed to the n edge nodes 300 through the intermediate station 200, and the communication order between the edge nodes 300 is comprehensively regulated.
The master station 100 may be connected to a plurality of intermediate stations 200, one intermediate station 200 being responsible for monitoring and controlling all edge nodes 300 within an area, the intermediate station 200 being provided with an integrated server for edge computation.
S3: after receiving the task instruction, the edge node 300 obtains and processes the original data of the m terminals 400, and sends the processed data to the intermediate station 200 to complete communication.
Wherein n=m, and the terminal 400 may be a power distribution terminal, a distributed power source, an industrial park, an electric automobile power station, an intelligent home, or the like.
The edge node 300 is provided with a security protection module 301 and an intelligent gateway 302; the edge node 300 and the terminal 400 are subjected to self-checking at regular intervals through the safety protection module 301, and the original data are encrypted; communication between the edge node 300 and the terminal 400 is achieved through the intelligent gateway 302.
Specifically, the original data of m terminals 400 are acquired, association rule mining is performed on the original data, and whether the intermediate station 200 can be connected is determined according to the association rule.
Mining association rules according to the following:
wherein min (f) is a minimized correlation function, k is an original data capacity, aE (0.5, 1) is an excavation learning coefficient, s i Frequent item set, x, for the ith raw data i Is the ith original data;
when min (f) >0.9, the intermediate station 200 may be connected.
(1) If yes, the original data is encrypted through the security protection module 301, and the processed data is sent to the intermediate station 200 through the intelligent gateway 302;
encryption processing:
(1) the original data is converted into t 3*3 matrixes, and the t 3*3 matrixes are encrypted by using an AES algorithm to obtain ciphertext c n A key z;
let the encryption function of the AES algorithm be Q:
c n ＝tE(z,Q)
let the decryption function of the AES algorithm be W:
P＝tW(z,c n )
wherein P is a 3*3 matrix.
(2) Encrypting ciphertext c using key z n And obtaining the ciphertext U.
The encryption function is:
U＝DES z (c n )
(2) Otherwise, the original data is re-received.
In order to verify and explain the technical effects adopted in the method, the embodiment selects the traditional technical scheme and adopts the method to carry out comparison test, and the test results are compared by means of scientific demonstration so as to verify the true effects of the method.
In this embodiment, a conventional technical scheme and the method are adopted to perform communication test on the distribution network on the optistystem platform, and the communication resource utilization rates of the conventional technical scheme and the method are counted respectively, and the results are shown in the following table.
Table 1: and (5) comparing the utilization rate of communication resources.
| Distribution network 1 | Distribution network 2 | Distribution network 3 | |
| Conventional technical proposal | 86.7％ | 87.1％ | 85.9％ |
| The method | 98.4％ | 100％ | 93.7％ |
As can be seen from the table, compared with the traditional technical scheme, the method has better communication resource utilization rate.
Example 2
Referring to fig. 2, a second embodiment of the present application, which is different from the first embodiment, provides a network communication system based on an edge internet of things proxy, including,
a master station 100 for generating task instructions and for driving and controlling intermediate stations 200, terminals 400; the master station 100 transmits a proxy control system to the terminal 400 through the intermediate station 200, and can set the terminal 400 as a new edge node, either temporary or permanent.
The intermediate station 200 is connected with the master station 100, and is used for receiving task instructions through a power carrier, distributing the task instructions to the n edge nodes 300 and comprehensively regulating the communication sequence among the edge nodes 300;
the edge node 300 is connected with the intermediate station 200, and is used for acquiring and processing the original data of the m terminals 400, and sending the processed data to the intermediate station 200 to complete communication; specifically, the edge node 300 is provided with a security protection module 301 and an intelligent gateway 302; the security protection module 301 is configured to perform self-checking on the edge node 300 and the terminal 400 at regular intervals, and perform encryption processing on the original data; an intelligent gateway 302 for implementing communication between the edge node 300 and the terminal 400.
The terminal 400 may be a power distribution terminal, a distributed power source, an industrial park, an electric car power station, an intelligent home, etc.
Where n=m.
It should be appreciated that embodiments of the application may be implemented or realized by computer hardware, a combination of hardware and software, or by computer instructions stored in a non-transitory computer readable memory. The methods may be implemented in a computer program using standard programming techniques, including a non-transitory computer readable storage medium configured with a computer program, where the storage medium so configured causes a computer to operate in a specific and predefined manner, in accordance with the methods and drawings described in the specific embodiments. Each program may be implemented in a high level procedural or object oriented programming language to communicate with a computer system. However, the program(s) can be implemented in assembly or machine language, if desired. In any case, the language may be a compiled or interpreted language. Furthermore, the program can be run on a programmed application specific integrated circuit for this purpose.
Furthermore, the operations of the processes described herein may be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The processes (or variations and/or combinations thereof) described herein may be performed under control of one or more computer systems configured with executable instructions, and may be implemented as code (e.g., executable instructions, one or more computer programs, or one or more applications), by hardware, or combinations thereof, collectively executing on one or more processors. The computer program includes a plurality of instructions executable by one or more processors.
Further, the method may be implemented in any type of computing platform operatively connected to a suitable computing platform, including, but not limited to, a personal computer, mini-computer, mainframe, workstation, network or distributed computing environment, separate or integrated computer platform, or in communication with a charged particle tool or other imaging device, and so forth. Aspects of the application may be implemented in machine-readable code stored on a non-transitory storage medium or device, whether removable or integrated into a computing platform, such as a hard disk, optical read and/or write storage medium, RAM, ROM, etc., such that it is readable by a programmable computer, which when read by a computer, is operable to configure and operate the computer to perform the processes described herein. Further, the machine readable code, or portions thereof, may be transmitted over a wired or wireless network. When such media includes instructions or programs that, in conjunction with a microprocessor or other data processor, implement the steps described above, the application described herein includes these and other different types of non-transitory computer-readable storage media. The application also includes the computer itself when programmed according to the methods and techniques of the present application. The computer program can be applied to the input data to perform the functions described herein, thereby converting the input data to generate output data that is stored to the non-volatile memory. The output information may also be applied to one or more output devices such as a display. In a preferred embodiment of the application, the transformed data represents physical and tangible objects, including specific visual depictions of physical and tangible objects produced on a display.
As used in this disclosure, the terms "component," "module," "system," and the like are intended to refer to a computer-related entity, either hardware, firmware, a combination of hardware and software, or software in execution. For example, the components may be, but are not limited to: a process running on a processor, an object, an executable, a thread of execution, a program, and/or a computer. By way of example, both an application running on a computing device and the computing device can be a component. One or more components may reside within a process and/or thread of execution and a component may be localized on one computer and/or distributed between two or more computers. Furthermore, these components can execute from various computer readable media having various data structures thereon. The components may communicate by way of local and/or remote processes such as in accordance with a signal having one or more data packets (e.g., data from one component interacting with another component in a local system, distributed system, and/or across a network such as the internet with other systems by way of the signal).
It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered in the scope of the claims of the present application.
Claims (4)
1. A distribution network communication method based on an edge internet of things proxy is characterized by comprising the following steps: comprising the steps of (a) a step of,
generating a task instruction by a master station (100) and transmitting the task instruction to an intermediate station (200) by a power carrier to drive and control the intermediate station (200);
the master station (100) sends a proxy control system to the terminal (400) via the intermediate station (200), setting the terminal (400) to a new edge node, temporary or permanent;
the master station (100) is provided with a cloud center, and data of n edge nodes (300) are mined through the depth of the cloud center;
the master station (100) may be connected to a plurality of intermediate stations (200), the intermediate stations (200) being equipped with an integrated server for edge computation, one intermediate station (200) being responsible for monitoring and controlling all edge nodes (300) within an area;
distributing the task instructions to n edge nodes (300) through the intermediate station (200), and comprehensively regulating and controlling the communication sequence among the edge nodes (300);
the edge node (300) is provided with a security protection module (301) and an intelligent gateway (302);
the edge node (300) and the terminal (400) are subjected to self-checking periodically through the safety protection module (301), and original data are encrypted;
is connected with the terminal (400) through the intelligent gateway (302);
processing the original data comprises performing association rule mining on the original data, judging whether an intermediate station (200) can be connected according to association rules, if so, performing encryption processing on the original data through the safety protection module (301), and sending the processed data to the intermediate station (200) through an intelligent gateway (302);
otherwise, re-receiving the original data;
after the edge node (300) receives the task instruction, acquiring and processing the original data of m terminals (400), and sending the processed data to the intermediate station (200) to complete communication;
where n=m.
2. The edge internet of things proxy-based distribution network communication method as claimed in claim 1, wherein: the mining association rule includes that,
wherein ,to minimize the correlation function, k is the original data capacity, +.>For learning coefficients, ->Frequent item set for the ith original data, < +.>Is the ith original data;
when (when)>0.9, an intermediate station (200) may be connected.
3. The edge internet of things proxy-based distribution network communication method as claimed in claim 2, wherein: the encryption process includes the steps of,
the original data is converted into t 3*3 matrixes, and the t 3*3 matrixes are encrypted by using an AES algorithm to obtain ciphertextKey->；
By means of said keyEncrypting the ciphertext->And obtaining the ciphertext U.
4. The utility model provides a join in marriage net communication system based on edge thing allies oneself with proxy which characterized in that: comprising the steps of (a) a step of,
a master station (100) for generating task instructions and for driving and controlling the intermediate station (200), the terminal (400);
the intermediate station (200) is connected with the master station (100), receives the task instructions through a power carrier, and is used for distributing the task instructions to n edge nodes (300) and comprehensively regulating the communication sequence among the edge nodes (300);
an edge node (300) connected with the intermediate station (200) and used for acquiring and processing the original data of m terminals (400) and sending the processed data to the intermediate station (200) to complete communication;
wherein n=m;
the edge node (300) is provided with a security protection module (301) and an intelligent gateway (302);
the edge node (300) and the terminal (400) are subjected to self-checking periodically through the safety protection module (301), and original data are encrypted;
is connected with the terminal (400) through the intelligent gateway (302);
processing the original data comprises performing association rule mining on the original data, judging whether the intermediate station (200) can be connected according to the association rule, if so, performing encryption processing on the original data through the safety protection module (301), and sending the processed data to the intermediate station (200) through the intelligent gateway (302).
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