CN114244400B - Information transmission control system and method under distribution network encryption state - Google Patents

Information transmission control system and method under distribution network encryption state Download PDF

Info

Publication number
CN114244400B
CN114244400B CN202111524629.2A CN202111524629A CN114244400B CN 114244400 B CN114244400 B CN 114244400B CN 202111524629 A CN202111524629 A CN 202111524629A CN 114244400 B CN114244400 B CN 114244400B
Authority
CN
China
Prior art keywords
data
transmission
equipment
measuring point
cost
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202111524629.2A
Other languages
Chinese (zh)
Other versions
CN114244400A (en
Inventor
刘智勇
陈良汉
孙志刚
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.)
Zhuhai Hongrui Information Technology Co Ltd
Original Assignee
Zhuhai Hongrui Information Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuhai Hongrui Information Technology Co Ltd filed Critical Zhuhai Hongrui Information Technology Co Ltd
Priority to CN202111524629.2A priority Critical patent/CN114244400B/en
Publication of CN114244400A publication Critical patent/CN114244400A/en
Application granted granted Critical
Publication of CN114244400B publication Critical patent/CN114244400B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/04Control of transmission; Equalising
    • 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
    • G06Q10/06Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063Operations research, analysis or management
    • G06Q10/0631Resource planning, allocation, distributing or scheduling for enterprises or organisations
    • G06Q10/06313Resource planning in a project environment
    • 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
    • G06Q10/06Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/067Enterprise or organisation modelling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/20Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Human Resources & Organizations (AREA)
  • Strategic Management (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Economics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Game Theory and Decision Science (AREA)
  • General Physics & Mathematics (AREA)
  • Development Economics (AREA)
  • Theoretical Computer Science (AREA)
  • Educational Administration (AREA)
  • General Business, Economics & Management (AREA)
  • Computer Security & Cryptography (AREA)
  • Marketing (AREA)
  • Operations Research (AREA)
  • Quality & Reliability (AREA)
  • Tourism & Hospitality (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses an information transmission control system and method under a distribution network encryption state, which comprises the following steps: target information acquisition module, data processing center, initial data analysis module, new route simulation module and information transmission control module, through target information acquisition module collection equipment information and transmission route information, through data processing center storage data and confession are transferred, through the comprehensive cost of initial data analysis module analysis according to initial route transmission data, through new route simulation module reconstruction new data transmission virtual channel: the method comprises the steps of simulating the data transmission process of the equipment after channel reconstruction, generating a new data transmission route, comparing the cost of the two routes through an information transmission control module, adjusting the data transmission route, analyzing the data monitored by a measuring point in real time, and sending an early warning signal when the data is abnormal, so that the transmission cost is saved while the synchronization of data transmission and analysis is realized.

Description

Information transmission control system and method under distribution network encryption state
Technical Field
The invention relates to the technical field of distribution network data transmission control, in particular to an information transmission control system and method in a distribution network encryption state.
Background
The distribution network is used for receiving electric energy from a power transmission network or a regional power plant, distributing the electric energy to various users on site or step by step according to voltage through a power distribution facility, determining whether the users can use the electric energy in time if the electric energy can be provided for the users in time, and causing large-area power failure in a user area if the electric energy cannot be supplied for the users in time seriously, thereby bringing inconvenience to the life of the users;
among the prior art, to power supply unit real-time supervision in the distribution to guarantee the normal of power supply, but still have some drawbacks: firstly, although data transmission of equipment is encrypted, the safety of data transmission is improved, a mode of monitoring one piece of equipment by using one measuring point is usually adopted when power supply equipment is monitored, so that the problem that the received monitoring data in a region range is asynchronous and has delay is caused; secondly, the monitoring data are dispersed, so that the synchronous analysis of the monitoring data is not facilitated, and the data analysis efficiency is reduced; finally, the traditional information transmission mode can not save the data transmission cost.
Therefore, a system and a method for controlling information transmission in a distribution network encryption state are needed to solve the above problems.
Disclosure of Invention
The invention aims to provide an information transmission control system and method in a distribution network encryption state, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an information transmission control system under distribution network encryption state which characterized in that: the system comprises: the system comprises a target information acquisition module, a data processing center, an initial data analysis module, a new route simulation module and an information transmission control module;
the target information acquisition module is used for acquiring the parameter information of the equipment to be monitored and the real-time data transmission route information of the corresponding equipment and transmitting all acquired data to the data processing center; the data processing center is used for storing and calling the acquired data; the initial data analysis module is used for analyzing initial comprehensive cost; the new route simulation module is used for simulating real-time data transmission of equipment, matching measuring points, reconstructing a new data transmission virtual channel and simulating a new route transmission process: selecting a random measuring point as a data receiving party, and simultaneously receiving real-time data of equipment with the same power supply voltage as the equipment monitored by the corresponding measuring point to generate a new data transmission route; the information transmission control module is used for analyzing the new comprehensive cost, comparing the new comprehensive cost with the initial comprehensive cost, adjusting a data transmission route, analyzing data monitored by the measuring points in real time and sending early warning signals when the data are abnormal.
Furthermore, the target information acquisition module comprises an equipment parameter acquisition unit and a transmission line acquisition unit, and power supply voltage data of different equipment to be monitored is acquired through the equipment parameter acquisition unit; acquiring initial real-time data transmission route information of the equipment through the transmission line acquisition unit, acquiring a transmission distance and a transmission direction, and confirming a transmission object; the initial data analysis module comprises a transmission environment modeling unit, a measuring point positioning unit, a power supply equipment positioning unit, an encryption frequency statistical unit and a transmission cost analysis unit, and a two-dimensional coordinate system is established by taking the whole data transmission environment center as an origin through the transmission environment modeling unit; positioning the measuring points of the monitoring equipment through the measuring point positioning unit; positioning different power supply equipment through the power supply equipment positioning unit; counting the frequency to be encrypted according to the data transmission frequency by the encryption frequency counting unit; and analyzing the comprehensive cost of data transmission by combining the acquired data on the basis of the encryption frequency through the transmission cost analysis unit.
Furthermore, the new route simulation module comprises a data transmission simulation unit, a measuring point matching unit and a transmission channel reconstruction unit, and real-time data transmission is simulated through the data transmission simulation unit; measuring points for monitoring equipment with the same power supply voltage are matched through the measuring point matching unit; reconstructing a data transmission channel by the transmission channel reconstruction unit: and selecting a random measuring point as a data receiving party, receiving real-time data of equipment with the same power supply voltage as the equipment monitored by the corresponding measuring point, reconstructing a new data transmission channel and generating a new transmission route.
Further, the information transmission control module comprises a transmission cost comparison unit, an information transmission adjustment unit, a measuring point data analysis unit and an abnormity early warning unit, the new comprehensive cost is analyzed by the transmission cost comparison unit, and compared with the initial comprehensive cost: if the new comprehensive cost is larger than the initial comprehensive cost, the initial transmission route is not changed; if the new comprehensive cost is less than the initial comprehensive cost, reconstructing a real transmission channel through the information transmission adjusting unit, and controlling data to be transmitted according to a new transmission route; synchronously analyzing the equipment data monitored by the measuring points through the measuring point data analysis unit; and sending an abnormity early warning signal through the abnormity early warning unit when the abnormity data is found.
An information transmission control method under a distribution network encryption state is characterized in that: the method comprises the following steps:
s1: acquiring equipment parameter information and real-time data initial transmission route information of corresponding equipment;
s2: analyzing the comprehensive cost required for transmitting data according to the initial transmission route;
s3: simulating the real-time data transmission process of the equipment, matching the measuring points, reconstructing a data transmission virtual channel and generating a new data transmission route;
s4: comparing the data transmission cost, and judging whether the transmission route needs to be adjusted: if the initial comprehensive cost is less than the new comprehensive cost, the transmission route does not need to be adjusted; if the initial comprehensive cost is larger than the new comprehensive cost, adjusting data to be transmitted according to a new data transmission route;
s5: and synchronously analyzing the data monitored by the measuring points, and sending an early warning signal when the data is abnormal.
Further, in step S1: the method comprises the steps that a power supply voltage set of the equipment needing to be monitored is collected by an equipment parameter collecting unit and is U (U1, U2.., Un), an included angle set of a direction of collecting initial equipment real-time data transmitted to a corresponding measuring point and a horizontal positive direction is alpha (alpha 1, alpha 1.., alpha n), a transmission distance set is D (D1, D2.., Dn), wherein n represents the number of the equipment needing to be monitored, and the collected data are transmitted to a data processing center.
Further, in step S2: the method comprises the steps of utilizing a transmission environment modeling unit to model a two-dimensional coordinate system by taking a transmission environment center as an origin, utilizing a measuring point positioning unit to position a position coordinate set of different current measuring points to be (X, Y) { (X1, Y1), (X2, Y2),. } and utilizing a power supply equipment positioning unit to position a power supply equipment position coordinate set monitored by a corresponding measuring point to be (X, Y) { (X1, Y1), (X2, Y2),. } Xn, Yn }, and calculating an included angle β i between the direction of sending data to the corresponding measuring point by one power supply equipment and the positive horizontal direction according to the following formula:
Figure GDA0003728727990000031
wherein Xi and Yi respectively represent the horizontal and vertical coordinates of a measuring point of a random power supply device, Xi and Yi respectively represent the horizontal and vertical coordinates of a random power supply device, the set of included angles between the direction of all devices to be monitored, which send data to the corresponding measuring point, and the positive horizontal direction is obtained, and β ═ β 1, β 2,... β, β n }, and β i and α i are compared: if the beta i is equal to the alpha i, the relative position of the current equipment and the corresponding measuring point is not changed; if beta i is not equal to alpha i, the change of the relative position of the current equipment and the corresponding measuring point is indicated, the predicted data transmission is attacked, whether the data can be normally transmitted through a transmission channel between the measuring point with the changed relative position and the equipment is verified, and if not, personnel are arranged to maintain the corresponding equipment and the measuring point.
Furthermore, after data can be normally transmitted between the equipment and the measuring points, the encryption frequency statistical unit is used for counting that the encryption cost set required by the real-time data received by the corresponding equipment at different measuring points is W (W1, W2.., Wn), the encryption cost set required by the monitored data transmitted to the terminal is W (W1, W2.., Wn), the total data encryption frequency in the whole transmission process is counted to be N, and the transmission cost analysis unit is used for analyzing an initial comprehensive cost coefficient Q required by the data transmission according to an initial transmission route General assembly
Figure GDA0003728727990000041
Wi represents the encryption cost required by receiving the real-time data of the corresponding equipment by a random measuring point, Wi represents the encryption cost required by transmitting the monitored data to the terminal after the real-time data of the corresponding equipment is received by the random measuring point, the longer the transmission distance is, the higher the transmission cost of the unencrypted data is, the more the encryption frequency is, the higher the data encryption cost is, the encryption cost is added on the basis of the data transmission cost, and the purpose of calculating the comprehensive cost coefficient of the initial transmission route is to compare with the cost coefficient after the route is changed, so that the judgment of whether the cost after the route is changed is reduced or not and whether the original transmission route is required to be changed or not is facilitated.
Further, in step S3: the method comprises the steps of simulating a real-time data transmission process of equipment by using a data transmission simulation unit, comparing the power supply voltage of each equipment to be monitored in a power supply voltage set U by using a measuring point matching unit, screening out the equipment with the same power supply voltage, obtaining an equipment position coordinate set with the same power supply voltage as (X ', Y') { (X1 ', Y1'), (X2 ', Y2'), (Xm ', Ym') }, and obtaining a corresponding measuring point position coordinate set as (X ', Y') { (X1 ', Y1'), (X2 ', Y2'), (Xm ', Ym') }, wherein m represents the number of the equipment with the same power supply voltage, and reconstructing a data transmission virtual channel by using a transmission channel reconstruction unit: generating a data transmission route from all equipment with the same power supply voltage to a measuring point as a new data transmission route, wherein the measuring point refers to the measuring point with the shortest data transmission distance from the equipment with the same power supply voltage, and calculating the transmission distance di from all the equipment with the same power supply voltage to a random measuring point according to the following formula:
Figure GDA0003728727990000051
wherein xj 'and yj' respectively represent the horizontal coordinate and the vertical coordinate of a random measuring point, Xi 'and Yi' respectively represent the horizontal coordinate of a random device with the same power supply voltage, and (2) obtaining a set of transmission distances d ═ d1, d2, and dm from all the devices with the same power supply voltage to different measuring points by the ordinate, screening out the measuring point corresponding to the shortest transmission distance, wherein the shortest transmission distance is dj, screening out the devices with the same power supply voltage and the corresponding measuring points thereof, changing the original one-to-one measuring point receiving corresponding device real-time data into the transmission of all the devices with the same power supply voltage to one measuring point by real-time data, and generating a new transmission route.
Further, in step S4: comparing data transmission costs with a transmission cost comparison unit: the method includes the steps that the encryption cost set required by the measuring points corresponding to different shortest transmission distances to receive real-time data of equipment with the same power supply voltage is counted to be W ' ({ W1 ', W2 ',.; Wk ' }), the encryption cost set required by the measuring points corresponding to the shortest transmission distances to transmit monitored data to a terminal is counted to be W ' ({ W1 ', W2 ',.; Wk ' }, wherein k represents k groups of equipment with the same power supply voltage, namely k measuring points corresponding to the shortest transmission distances, the total frequency set of data encryption in the whole transmission process is N ', and a new comprehensive cost coefficient Q of a new data transmission route is calculated according to the following formula General assembly ’:
Figure GDA0003728727990000052
Wj 'represents the encryption cost required by a measuring point corresponding to a random shortest transmission distance to receive real-time data of equipment with the same power supply voltage, Wj' represents the encryption cost required by the measuring point corresponding to the random shortest transmission distance to transmit the monitored data to a terminal, and Q is compared General assembly And Q General assembly ': if Q General assembly <Q General (1) ' it is indicated that the initial integrated cost is less than the new integrated cost, and the transmission route does not need to be adjusted; if Q General assembly >Q General assembly ' it is explained that the initial integrated cost is larger than the new integrated cost, the information transmission adjusting unit is used for adjusting data to be transmitted according to the new data transmission route, and the integrated cost coefficient of the new transmission route is calculated to compare with the cost of the initial transmission route so as to judge whether the transmission route needs to be adjusted, which is beneficial to screening out the data transmission route with the lowest cost on the premise of ensuring the safe transmission of data and saving the data transmission cost.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the initial data analysis module is used for comparing the current data transmission direction with the historical data, judging whether the distribution network line changes or not through the change of the data transmission direction, and predicting whether the data transmission is attacked or not, so that the abnormal condition of the data transmission can be found in time, and the misjudgment that the data transmission is attacked is avoided; the comprehensive cost of the real-time data initial transmission route of the current equipment is analyzed through an initial data analysis module, and a new data transmission virtual channel is reconstructed through a new route simulation module: the method comprises the steps of changing the original one-to-one measuring point receiving of corresponding equipment real-time data into the transmission of all equipment real-time data with the same power supply voltage to one measuring point, generating a new transmission route, comparing the cost of the new route with the initial cost, judging whether the transmission route is changed to reduce the data transmission cost, solving the problem of unsynchronized total data transmission and analysis in the prior art, and saving the data transmission cost at the same time.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a structural diagram of an information transmission control system in a distribution network encryption state according to the present invention;
fig. 2 is a flowchart of an information transmission control method in a distribution network encryption state according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.
Referring to fig. 1-2, the present invention provides the following technical solutions: the utility model provides an information transmission control system under distribution network encryption state which characterized in that: the system comprises: the system comprises a target information acquisition module, a data processing center, an initial data analysis module, a new route simulation module and an information transmission control module;
the target information acquisition module is used for acquiring the parameter information of the equipment to be monitored and the real-time data transmission route information of the corresponding equipment and transmitting all the acquired data to the data processing center; the data processing center is used for storing and calling the acquired data; the initial data analysis module is used for analyzing initial comprehensive cost; the new route simulation module is used for simulating real-time data transmission of the equipment, matching with a measuring point, reconstructing a new data transmission virtual channel and simulating a new route transmission process: selecting a random measuring point as a data receiving party, and simultaneously receiving real-time data of equipment with the same power supply voltage as the equipment monitored by the corresponding measuring point to generate a new data transmission route; and the information transmission control module is used for analyzing the new comprehensive cost, comparing the new comprehensive cost with the initial comprehensive cost, adjusting a data transmission route, analyzing the data monitored by the measuring points in real time and sending an early warning signal when the data is abnormal.
The target information acquisition module comprises an equipment parameter acquisition unit and a transmission line acquisition unit, and acquires power supply voltage data of different equipment to be monitored through the equipment parameter acquisition unit; acquiring initial real-time data transmission route information of equipment through a transmission line acquisition unit, acquiring a transmission distance and a transmission direction, and confirming a transmission object; the initial data analysis module comprises a transmission environment modeling unit, a measuring point positioning unit, a power supply equipment positioning unit, an encryption frequency statistical unit and a transmission cost analysis unit, and a two-dimensional coordinate system is established by taking the whole data transmission environment center as an origin through the transmission environment modeling unit; positioning a measuring point of the monitoring equipment through a measuring point positioning unit; positioning different power supply equipment through a power supply equipment positioning unit; counting the frequency to be encrypted according to the data transmission frequency by an encryption frequency counting unit; the transmission cost analysis unit analyzes the comprehensive cost of data transmission by combining the collected data on the basis of the encryption frequency.
The new route simulation module comprises a data transmission simulation unit, a measuring point matching unit and a transmission channel reconstruction unit, and real-time data transmission is simulated through data transmission simulation unit simulation equipment; measuring points for monitoring equipment with the same power supply voltage are matched through a measuring point matching unit; reconstructing the data transmission channel by the transmission channel reconstruction unit: and selecting a random measuring point as a data receiving party, receiving real-time data of equipment with the same power supply voltage as the equipment monitored by the corresponding measuring point, reconstructing a new data transmission channel and generating a new transmission route.
The information transmission control module comprises a transmission cost comparison unit, an information transmission adjustment unit, a measuring point data analysis unit and an abnormity early warning unit, the new comprehensive cost is analyzed by the transmission cost comparison unit and compared with the initial comprehensive cost: if the new comprehensive cost is larger than the initial comprehensive cost, the initial transmission route is not changed; if the new comprehensive cost is less than the initial comprehensive cost, reconstructing a real transmission channel through an information transmission adjusting unit, and controlling data to be transmitted according to a new transmission route; synchronously analyzing the equipment data monitored by the measuring points through a measuring point data analysis unit; and sending an abnormal early warning signal through an abnormal early warning unit when abnormal data is found.
An information transmission control method under a distribution network encryption state is characterized in that: the method comprises the following steps:
s1: acquiring equipment parameter information and real-time data initial transmission route information of corresponding equipment;
s2: analyzing the comprehensive cost required for transmitting data according to the initial transmission route;
s3: simulating the real-time data transmission process of the equipment, matching the measuring points, reconstructing a data transmission virtual channel and generating a new data transmission route;
s4: comparing the data transmission cost, and judging whether the transmission route needs to be adjusted: if the initial comprehensive cost is less than the new comprehensive cost, the transmission route does not need to be adjusted; if the initial comprehensive cost is larger than the new comprehensive cost, adjusting data to be transmitted according to a new data transmission route;
s5: and synchronously analyzing the data monitored by the measuring points, and sending an early warning signal when the data is abnormal.
In step S1: the method comprises the steps that a power supply voltage set of the equipment needing to be monitored is collected by an equipment parameter collecting unit and is U (U1, U2.., Un), an included angle set of a direction of collecting initial equipment real-time data transmitted to a corresponding measuring point and a horizontal positive direction is alpha (alpha 1, alpha 1.., alpha n), a transmission distance set is D (D1, D2.., Dn), wherein n represents the number of the equipment needing to be monitored, and the collected data are transmitted to a data processing center.
In step S2: the method comprises the steps of utilizing a transmission environment modeling unit to model a two-dimensional coordinate system by taking a transmission environment center as an origin, utilizing a measuring point positioning unit to position a position coordinate set of different current measuring points to be (X, Y) { (X1, Y1), (X2, Y2),. } and utilizing a power supply equipment positioning unit to position a power supply equipment position coordinate set monitored by a corresponding measuring point to be (X, Y) { (X1, Y1), (X2, Y2),. } Xn, Yn }, and calculating an included angle β i between the direction of sending data to the corresponding measuring point by one power supply equipment and the positive horizontal direction according to the following formula:
Figure GDA0003728727990000081
wherein Xi and Yi respectively represent the horizontal and vertical coordinates of a measuring point of a random power supply device, Xi and Yi respectively represent the horizontal and vertical coordinates of a random power supply device, the set of included angles between the direction of all devices to be monitored, which send data to the corresponding measuring point, and the positive horizontal direction is obtained, and β ═ β 1, β 2,... β, β n }, and β i and α i are compared: if the beta i is equal to the alpha i, the relative position of the current equipment and the corresponding measuring point is not changed; if beta i is not equal to alpha i, the change of the relative position of the current equipment and the corresponding measuring point is indicated, the predicted data transmission is attacked, whether the data can be normally transmitted through a transmission channel between the measuring point with the changed relative position and the equipment is verified, and if not, personnel are arranged to maintain the corresponding equipment and the measuring point.
After data can be normally transmitted between the equipment and the measuring points, an encryption frequency statistical unit is used for counting that the set of encryption cost required by receiving real-time data of the corresponding equipment at different measuring points is W (W1, W2.,. Wn)And the encryption cost set required for transmitting the monitored data to the terminal is w ═ w1, w 2.., wn }, the total data encryption frequency in the whole transmission process is counted to be N, and an initial comprehensive cost coefficient Q required for transmitting the data according to an initial transmission route is analyzed by using a transmission cost analysis unit General assembly
Figure GDA0003728727990000091
Wi represents the encryption cost required by receiving the real-time data of the corresponding equipment by a random measuring point, Wi represents the encryption cost required by transmitting the monitored data to the terminal after the real-time data of the corresponding equipment is received by the random measuring point, the longer the transmission distance is, the higher the transmission cost of the unencrypted data is, the more the encryption frequency is, the higher the data encryption cost is, the encryption cost is added on the basis of the data transmission cost, and the purpose of calculating the comprehensive cost coefficient of the initial transmission route is to compare with the cost coefficient after the route is changed, so that whether the cost after the route is changed is reduced or not and whether the original transmission route is required to be changed or not can be judged.
In step S3: simulating a real-time data transmission process of equipment by using a data transmission simulation unit, comparing power supply voltages of each piece of equipment to be monitored in a power supply voltage set U by using a measuring point matching unit, screening out the equipment with the same power supply voltage, wherein the obtained equipment position coordinate set with the same power supply voltage is (X ', Y') { (X1 ', Y1'), (X2 ', Y2'), (Xm ', Ym') }, and the corresponding measuring point position coordinate set is (X ', Y') { (X1 ', Y1'), (X2 ', Y2'), (xn ', Ym') }, wherein m represents the number of pieces of equipment with the same power supply voltage, and a data transmission virtual channel is reconstructed by using a transmission channel reconstruction unit: generating data transmission routes from all equipment with the same power supply voltage to a measuring point as a new data transmission route, wherein one measuring point refers to the measuring point with the shortest data transmission distance from the equipment with the same power supply voltage, and calculating the transmission distance di from all the equipment with the same power supply voltage to a random measuring point according to the following formula:
Figure GDA0003728727990000101
wherein xj 'and yj' respectively represent the horizontal coordinate and the vertical coordinate of a random measuring point, Xi 'and Yi' respectively represent the horizontal coordinate of a random device with the same power supply voltage, and the vertical coordinate is used for obtaining that the transmission distance set from all the equipment with the same power supply voltage to different measuring points is d ═ { d1, d 2.,. dm }, screening the measuring point corresponding to the shortest transmission distance, wherein the shortest transmission distance is dj, screening the equipment with the same power supply voltage and the corresponding measuring point thereof, changing the original one-to-one measuring point receiving corresponding equipment real-time data into the transmission of all the equipment with the same power supply voltage to one measuring point in real-time data, and generating a new transmission route.
In step S4: comparing data transmission costs with a transmission cost comparison unit: the method includes the steps that the encryption cost set required by the measuring points corresponding to different shortest transmission distances to receive real-time data of equipment with the same power supply voltage is counted to be W ' ({ W1 ', W2 ',.; Wk ' }), the encryption cost set required by the measuring points corresponding to the shortest transmission distances to transmit monitored data to a terminal is counted to be W ' ({ W1 ', W2 ',.; Wk ' }, wherein k represents k groups of equipment with the same power supply voltage, namely k measuring points corresponding to the shortest transmission distances, the total frequency set of data encryption in the whole transmission process is N ', and a new comprehensive cost coefficient Q of a new data transmission route is calculated according to the following formula General (1) ’:
Figure GDA0003728727990000102
Wherein Wj 'represents the encryption cost required by a measuring point corresponding to a random shortest transmission distance to receive real-time data of equipment with the same power supply voltage, and Wj' represents the encryption cost corresponding to a random shortest transmission distanceThe measurement compares the encryption cost required for transmitting the monitored data to the terminal, and compares Q General assembly And Q General assembly ': if Q General assembly <Q General assembly ' it is indicated that the initial integrated cost is less than the new integrated cost, and the transmission route does not need to be adjusted; if Q General assembly >Q General assembly ' it is explained that the initial integrated cost is larger than the new integrated cost, the information transmission adjusting unit is used for adjusting data to be transmitted according to the new data transmission route, and the integrated cost coefficient of the new transmission route is calculated to compare with the cost of the initial transmission route so as to judge whether the transmission route needs to be adjusted, and the data transmission route with the lowest cost is screened out on the premise of ensuring the safe transmission of data, so that the data transmission cost is saved.
The first embodiment is as follows: the power supply voltage set of the device to be monitored is acquired by the device parameter acquisition unit as U ═ U1, U2, U3, U4, U5} - {10kv, 20kv, 10kv, 20kv, 10kv }, a two-dimensional coordinate system is modeled by the transmission environment modeling unit with the transmission environment center as an origin, the position coordinate set positioned to the current different measuring points by the measuring point positioning unit is (X, Y) { (X1, Y1), (X2, Y2), (X3, Y3), (X4, Y4), (X5, Y) } 1, (1, 2), (1, 3), (1, 4), (1, 5) }, the power supply device position coordinate set positioned to the corresponding monitored by the power supply device positioning unit is (X, Y) { (X1, Y1), (X6862, Y56), (X828653), (Y3), (X828672, 368658) }, (2, 2), (2, 3), (2, 4), (2, 5) }, the encryption cost set required for receiving the real-time data of the corresponding equipment at different measuring points is counted by using the encryption frequency counting unit as W ═ { W1, W2, W3, W4, W5} {10, 20, 30, 20, 10}, the encryption cost set required for transmitting the monitored data to the terminal is counted as W ═ { W1, W2, W3, W4, W5} {5, 10, 15, 10, 5}, the total encryption frequency of the data in the whole transmission process is counted as N ═ 10, and the initial comprehensive cost coefficient Q required for transmitting the data according to the initial transmission route is analyzed by using the transmission cost analyzing unit General assembly
Figure GDA0003728727990000111
The data transmission simulation unit is used for simulating the real-time data transmission process of the equipmentComparing the power supply voltage of each device to be monitored in the power supply voltage set U by using a measurement point matching unit, screening out devices with the same power supply voltage, acquiring a device position coordinate set with the same power supply voltage as (X ', Y') { (X1 ', Y1'), (X2 ', Y2') } { (2, 2) and (2, 4) }, and reconstructing a data transmission virtual channel by using a transmission channel reconstruction unit, wherein the corresponding measurement point position coordinate set is as (X ', Y') { (X1 ', Y1'), (X2 ', Y2') } { (1, 2) and (1, 4) }: generating a data transmission route from all the devices with the same power supply voltage to a measuring point as a new data transmission route according to a formula
Figure GDA0003728727990000112
Obtaining a set of transmission distances from all equipment with the same power supply voltage to different measuring points
Figure GDA0003728727990000113
Figure GDA0003728727990000114
Screening out a measuring point corresponding to the shortest transmission distance which is
Figure GDA0003728727990000115
Figure GDA0003728727990000116
Counting an encryption cost set required by receiving real-time data of equipment with the same power supply voltage at a measuring point corresponding to different shortest transmission distances, wherein the encryption cost set is W ' { W1 ', W2 ' } {12, 10}, the encryption cost set required by transmitting monitored data to a terminal at the measuring point corresponding to the shortest transmission distance is W ' { W1 ', W2 ' } {10, 15}, the total k is 2 groups of equipment with the same power supply voltage, the total frequency set of data encryption in the whole transmission process is N ' ═ 6, and the encryption cost set is calculated according to a formula
Figure GDA0003728727990000121
Calculating new comprehensive cost coefficient Q of new data transmission route General (1) '. 18.4, comparison Q General assembly And Q General (1) ’:Q General assembly >Q General assembly ' indicating that the initial cost is larger than the new cost, the information transmission adjusting unit is used for adjusting the data to be transmitted according to the new data transmission route.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an information transmission control system under distribution network encryption state which characterized in that: the system comprises: the system comprises a target information acquisition module, a data processing center, an initial data analysis module, a new route simulation module and an information transmission control module;
the target information acquisition module is used for acquiring the parameter information of the equipment to be monitored and the real-time data transmission route information of the corresponding equipment and transmitting all acquired data to the data processing center; the data processing center is used for storing and calling the acquired data; the initial data analysis module is used for comparing the current data transmission direction with historical data, judging whether a distribution network line changes or not through the change of the data transmission direction, predicting whether data transmission is attacked or not, and analyzing initial comprehensive cost required by data transmission according to an initial transmission line; the new route simulation module is used for simulating real-time data transmission of equipment, matching a measuring point, reconstructing a new data transmission virtual channel and simulating a new route transmission process: selecting a random measuring point as a data receiving party, and simultaneously receiving real-time data of equipment with the same power supply voltage as the equipment monitored by the corresponding measuring point to generate a new data transmission route; the information transmission control module is used for analyzing the new comprehensive cost, comparing the new comprehensive cost with the initial comprehensive cost, and judging whether the transmission route needs to be adjusted: if the initial comprehensive cost is less than the new comprehensive cost, the transmission route does not need to be adjusted; if the initial comprehensive cost is larger than the new comprehensive cost, adjusting data to be transmitted according to a new data transmission route; the information transmission control module is also used for analyzing the data monitored by the measuring points in real time and sending early warning signals when the data are abnormal.
2. The system according to claim 1, wherein the system comprises: the target information acquisition module comprises an equipment parameter acquisition unit and a transmission line acquisition unit, and acquires power supply voltage data of different equipment to be monitored through the equipment parameter acquisition unit; acquiring initial real-time data transmission route information of the equipment through the transmission line acquisition unit, acquiring a transmission distance and a transmission direction, and confirming a transmission object; the initial data analysis module comprises a transmission environment modeling unit, a measuring point positioning unit, a power supply equipment positioning unit, an encryption frequency statistical unit and a transmission cost analysis unit, and a two-dimensional coordinate system is established by taking the whole data transmission environment center as an origin through the transmission environment modeling unit; positioning the measuring point of the monitoring equipment by the measuring point positioning unit; positioning different power supply equipment through the power supply equipment positioning unit; counting the frequency to be encrypted according to the data transmission frequency by the encryption frequency counting unit; and analyzing the comprehensive cost of data transmission by combining the acquired data on the basis of the encryption frequency through the transmission cost analysis unit.
3. The system according to claim 1, wherein the system comprises: the new route simulation module comprises a data transmission simulation unit, a measuring point matching unit and a transmission channel reconstruction unit, and simulates real-time data transmission of equipment through the data transmission simulation unit; the measuring points for monitoring the equipment with the same power supply voltage are matched through the measuring point matching unit; reconstructing a data transmission channel by the transmission channel reconstruction unit: and selecting a random measuring point as a data receiving party, receiving real-time data of equipment with the same power supply voltage as the equipment monitored by the corresponding measuring point, reconstructing a new data transmission channel and generating a new transmission route.
4. The system according to claim 1, wherein the system comprises: the information transmission control module comprises a transmission cost comparison unit, an information transmission adjustment unit, a measuring point data analysis unit and an abnormity early warning unit, the new comprehensive cost is analyzed by the transmission cost comparison unit, and compared with the initial comprehensive cost: if the new comprehensive cost is larger than the initial comprehensive cost, the initial transmission route is not changed; if the new comprehensive cost is less than the initial comprehensive cost, reconstructing a real transmission channel through the information transmission adjusting unit, and controlling data to be transmitted according to a new transmission route; synchronously analyzing the equipment data monitored by the measuring points through the measuring point data analysis unit; and sending an abnormity early warning signal through the abnormity early warning unit when the abnormity data is found.
5. An information transmission control method under a distribution network encryption state is characterized in that: the method comprises the following steps:
s1: acquiring equipment parameter information and real-time data initial transmission route information of corresponding equipment;
s2: analyzing an initial comprehensive cost required for transmitting data according to an initial transmission route;
s3: simulating the real-time data transmission process of the equipment, matching measuring points, reconstructing a data transmission virtual channel, and generating a new data transmission route: transmitting real-time data of all equipment with the same power supply voltage to a measuring point;
s4: comparing the data transmission cost, and judging whether the transmission route needs to be adjusted: if the initial comprehensive cost is less than the new comprehensive cost, the transmission route does not need to be adjusted; if the initial comprehensive cost is larger than the new comprehensive cost, adjusting data to be transmitted according to a new data transmission route;
s5: and synchronously analyzing the data monitored by the measuring points, comparing the current data transmission direction with historical data, judging whether the distribution network line changes or not through the change of the data transmission direction, predicting whether the data transmission is attacked or not, and sending an early warning signal when the data is abnormal.
6. The information transmission control method for the distribution network in the encrypted state according to claim 5, wherein: in step S1: the method comprises the steps that a power supply voltage set of the equipment needing to be monitored is collected by an equipment parameter collecting unit and is U (U1, U2.., Un), an included angle set of a direction of collecting initial equipment real-time data transmitted to a corresponding measuring point and a horizontal positive direction is alpha (alpha 1, alpha 1.., alpha n), a transmission distance set is D (D1, D2.., Dn), wherein n represents the number of the equipment needing to be monitored, and the collected data are transmitted to a data processing center.
7. The information transmission control method of the distribution network in the encrypted state according to claim 6, wherein: in step S2: the method comprises the steps of utilizing a transmission environment modeling unit to model a two-dimensional coordinate system by taking a transmission environment center as an origin, utilizing a measuring point positioning unit to position a position coordinate set of different current measuring points to be (X, Y) { (X1, Y1), (X2, Y2),. } and utilizing a power supply equipment positioning unit to position a power supply equipment position coordinate set monitored by a corresponding measuring point to be (X, Y) { (X1, Y1), (X2, Y2),. } Xn, Yn }, and calculating an included angle β i between the direction of sending data to the corresponding measuring point by one power supply equipment and the positive horizontal direction according to the following formula:
Figure FDA0003755308070000031
wherein Xi and Yi respectively represent the horizontal and vertical coordinates of a measuring point of a random power supply device, Xi and Yi respectively represent the horizontal and vertical coordinates of a random power supply device, the set of included angles between the direction of all devices to be monitored, which send data to the corresponding measuring point, and the positive horizontal direction is obtained, and β ═ β 1, β 2,... β, β n }, and β i and α i are compared: if the beta i is equal to the alpha i, the relative position of the current equipment and the corresponding measuring point is not changed; if the beta i is not equal to the alpha i, the relative position of the current equipment and the corresponding measuring point is changed, the data transmission is predicted to be attacked, whether the data can be normally transmitted through a transmission channel between the measuring point with the changed relative position and the equipment is verified, and if the data cannot be normally transmitted, personnel are arranged to maintain the corresponding equipment and the measuring point.
8. The information transmission control method in the distribution network encryption state according to claim 7, wherein: after data can be normally transmitted between equipment and measuring points, an encryption frequency statistical unit is used for counting that an encryption cost set required by real-time data received by corresponding equipment at different measuring points is W (W1, W2.,. Wn), an encryption cost set required by transmitting the monitored data to a terminal is W (W1, W2.,. Wn), the total data encryption frequency in the whole transmission process is N, and a transmission cost analysis unit is used for analyzing an initial comprehensive cost coefficient Q required by transmitting the data according to an initial transmission route General assembly
Figure FDA0003755308070000041
Wi represents the encryption cost required by receiving the real-time data of the corresponding equipment by a random measuring point, and Wi represents the encryption cost required by transmitting the monitored data to the terminal after receiving the real-time data of the corresponding equipment by the random measuring point.
9. The information transmission control method for the distribution network in the encrypted state according to claim 8, wherein: in step S3: the method comprises the steps of simulating a real-time data transmission process of equipment by using a data transmission simulation unit, comparing the power supply voltage of each equipment to be monitored in a power supply voltage set U by using a measuring point matching unit, screening out the equipment with the same power supply voltage, obtaining an equipment position coordinate set with the same power supply voltage as (X ', Y') { (X1 ', Y1'), (X2 ', Y2'), (Xm ', Ym') }, and obtaining a corresponding measuring point position coordinate set as (X ', Y') { (X1 ', Y1'), (X2 ', Y2'), (Xm ', Ym') }, wherein m represents the number of the equipment with the same power supply voltage, and reconstructing a data transmission virtual channel by using a transmission channel reconstruction unit: generating a data transmission route from all equipment with the same power supply voltage to a measuring point as a new data transmission route, wherein the measuring point refers to the measuring point with the shortest data transmission distance from the equipment with the same power supply voltage, and calculating the transmission distance di from the equipment with the same power supply voltage to a random measuring point according to the following formula:
Figure FDA0003755308070000042
the measuring points corresponding to the shortest transmission distance are screened, wherein xj 'and yj' respectively represent horizontal and vertical coordinates of a random measuring point, Xi 'and Yi' respectively represent horizontal and vertical coordinates of a random device with the same power supply voltage, the transmission distance set from all devices with the same power supply voltage to different measuring points is obtained, and d is { d1, d 2.
10. The information transmission control method for the distribution network in the encrypted state according to claim 9, wherein: in step S4: comparing data transmission costs with a transmission cost comparison unit: the method includes the steps that the encryption cost set required by the measuring points corresponding to different shortest transmission distances to receive real-time data of equipment with the same power supply voltage is counted to be W ' ({ W1 ', W2 ',.; Wk ' }), the encryption cost set required by the measuring points corresponding to the shortest transmission distances to transmit monitored data to a terminal is counted to be W ' ({ W1 ', W2 ',.; Wk ' }, wherein k represents k groups of equipment with the same power supply voltage, namely k measuring points corresponding to the shortest transmission distances, the total frequency set of data encryption in the whole transmission process is N ', and a new comprehensive cost coefficient Q of a new data transmission route is calculated according to the following formula General assembly ’:
Figure FDA0003755308070000051
Wherein Wj' represents a random shortest transmission distance pairThe encryption cost required by the corresponding measuring point for receiving the real-time data of the equipment with the same power supply voltage is obtained, wj' represents the encryption cost required by the measuring point corresponding to a random shortest transmission distance for transmitting the monitored data to the terminal, and Q is compared General (1) And Q General assembly ': if Q General assembly <Q General (1) ' it is indicated that the initial integrated cost is less than the new integrated cost, and the transmission route does not need to be adjusted; if Q General assembly >Q General (1) ' it is stated that the initial integrated cost is greater than the new integrated cost, and the information transmission adjusting unit is used to adjust the data transmission according to the new data transmission route.
CN202111524629.2A 2021-12-14 2021-12-14 Information transmission control system and method under distribution network encryption state Active CN114244400B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111524629.2A CN114244400B (en) 2021-12-14 2021-12-14 Information transmission control system and method under distribution network encryption state

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111524629.2A CN114244400B (en) 2021-12-14 2021-12-14 Information transmission control system and method under distribution network encryption state

Publications (2)

Publication Number Publication Date
CN114244400A CN114244400A (en) 2022-03-25
CN114244400B true CN114244400B (en) 2022-09-02

Family

ID=80755864

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111524629.2A Active CN114244400B (en) 2021-12-14 2021-12-14 Information transmission control system and method under distribution network encryption state

Country Status (1)

Country Link
CN (1) CN114244400B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110826740A (en) * 2019-12-03 2020-02-21 杭州绿安智能电网技术有限公司 Power grid line equipment fault detection and analysis system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5267839B2 (en) * 2007-10-11 2013-08-21 株式会社日立製作所 Distant monitoring and control device simulation device and power system monitoring and control system
CN111092492A (en) * 2019-12-31 2020-05-01 杭州巨骐信息科技股份有限公司 High-voltage cable line operation monitoring system
CN111818051B (en) * 2020-07-08 2022-05-31 珠海市鸿瑞信息技术股份有限公司 Distribution network encryption system and method based on low energy consumption
CN113726760B (en) * 2021-08-27 2022-04-01 珠海市鸿瑞信息技术股份有限公司 Industrial control communication encryption system and method based on load balancing

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110826740A (en) * 2019-12-03 2020-02-21 杭州绿安智能电网技术有限公司 Power grid line equipment fault detection and analysis system

Also Published As

Publication number Publication date
CN114244400A (en) 2022-03-25

Similar Documents

Publication Publication Date Title
CN102760274A (en) Building energy management and energy consumption data evaluation system and method thereof
CN107508550A (en) A kind of photovoltaic apparatus monitoring method and system based on Internet of Things
CN107145156A (en) A kind of power network method for inspecting and system based on unmanned plane
CN201910672U (en) Rural intelligent power distribution network construction and management system
CN105515184A (en) Wireless sensor network-based cooperative monitoring system of multi-sensor and multi-parameter distribution network
CN114665597A (en) Intelligent power supply system
WO2020111561A1 (en) System and method for controlling solar photovoltaic power generation on basis of machine learning
CN104217305A (en) Data acquiring and positioning monitoring system for quick urgent repair of power grid
CN105425768A (en) Electric power secondary equipment monitoring device and method
CN104574557A (en) Alarm-based site polling method, alarm-based site polling manipulation device and alarm-based site polling system
CN103869192A (en) Smart power grid line loss detection method and system
CN115765135B (en) Intelligent UPS energy storage system
CN115498776A (en) Power distribution fault rapid positioning system based on intelligent fusion terminal
CN115719999A (en) Power supply line electric leakage monitoring terminal
CN114244400B (en) Information transmission control system and method under distribution network encryption state
CN114819254A (en) Intelligent planning method and system for police patrol route
CN114899947A (en) Primary equipment monitoring and analyzing system based on intelligent substation
CN106530653A (en) Electricity information acquisition method
CN109800498A (en) A kind of photovoltaic plant data diagnosis system
CN204944483U (en) High precision power transmission line shaft tower inclination monitoring system
CN114828057B (en) Communication base station distribution network monitoring system and method based on GIS
CN111313550A (en) Ring main unit power distribution automation transformation device and control method
CN116566046A (en) Visual online intelligent management platform based on box-type substation
CN113361108B (en) Electric power system future time period simulation method and system based on real-time and predicted data
CN114550330A (en) Job site manager supervision and management system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant