CN-122022851-A - Power transmission line mountain fire tracing method and system based on block chain

CN122022851ACN 122022851 ACN122022851 ACN 122022851ACN-122022851-A

Abstract

The invention discloses a power transmission line mountain fire tracing method and system based on a block chain, and relates to the technical field of data processing, wherein the method comprises the steps of constructing a multi-party participated alliance block chain network; the method comprises the steps of carrying out under-chain storage and on-chain abstract storage of multi-source information, generating a candidate mountain fire tracing path set based on abnormal events of a power transmission line, occurrence time of fire points and space positions of fire points in mountain fire events of a target power transmission line, carrying out double-scale consistency verification to obtain a candidate mountain fire tracing path set which passes verification and does not pass verification, carrying out accumulated deviation analysis on the candidate mountain fire tracing path set which passes verification, and determining the target mountain fire tracing path. The technical problems that in the prior art, multiparty data mutual trust is lost, multi-source heterogeneous information is difficult to fuse, a mountain fire tracing evidence chain is easy to tamper, accuracy and reliability of a mountain fire tracing path are insufficient are solved, and the technical effects of achieving accurate responsibility identification and fire tracing and improving the accuracy and reliability of the mountain fire tracing path are achieved.

Inventors

WANG DEZHI
XUE MEI
Sui Yushan
XU CI
HUO HONG
SONG LEI
WANG MINZHEN
DU JIAN
RONG HUA
WANG JIBIN
GAO JINGYAO
MA CHENGJUN

Assignees

长春晟德科技有限公司
国网辽宁省电力有限公司丹东供电公司

Dates

Publication Date: 20260512
Application Date: 20260409

Claims (10)

1. The power transmission line mountain fire tracing method based on the block chain is characterized by comprising the following steps of: constructing a multi-party participated alliance blockchain network, wherein the alliance blockchain network is used for carrying out trusted memory and collaborative verification on forest fire information; performing multi-source information under-chain storage and on-chain abstract storage based on the alliance blockchain network; Generating a candidate mountain fire tracing path set based on the abnormal event of the power transmission line, the occurrence time of the fire point and the space position of the fire point in the mountain fire event of the target power transmission line; performing double-scale consistency verification on the candidate mountain fire tracing path set to obtain a candidate mountain fire tracing path set passing verification and a candidate mountain fire tracing path set not passing verification; And carrying out accumulated deviation analysis on the verification passing candidate mountain fire tracing path set to determine a target mountain fire tracing path.
2. The blockchain-based transmission line mountain fire tracing method of claim 1, wherein the federated blockchain network comprises power enterprise nodes, emergency management nodes, forestry management nodes, and weather service nodes.
3. The blockchain-based transmission line mountain fire tracing method of claim 1, wherein performing multi-source information under-chain storage and on-chain summary certification based on the alliance blockchain network comprises: Respectively storing the operation information, fire point monitoring information, meteorological information and patrol record of the power transmission line in an off-chain database; Generating unique time-source identification and summary data for the multi-source information in the under-chain database; And writing the abstract data and the time-source identification into a alliance blockchain network for tracing verification.
4. The blockchain-based power transmission line mountain fire tracing method of claim 1, wherein generating the candidate mountain fire tracing path set based on the power transmission line abnormal event, the fire occurrence time and the fire spatial position in the target power transmission line mountain fire event comprises: Searching the alliance block chain network according to the time association relation between the occurrence time of the abnormal event of the power transmission line and the occurrence time of the fire point to generate a time association path set; searching the alliance block chain network according to the distance relation between the space position of the abnormal event of the power transmission line and the space position of the fire point to generate a space association path set; and carrying out intersection acquisition on the time-associated path set and the space-associated path set to obtain a candidate mountain fire tracing path set.
5. The blockchain-based power transmission line source tracing method of claim 1, wherein performing a two-scale consistency verification on the candidate source tracing path set to obtain a verified-passing candidate source tracing path set and a verified-non-passing candidate source tracing path set, comprises: performing local consistency verification on the candidate mountain fire tracing path set to obtain a candidate mountain fire tracing path set passing the local verification; executing full-flow consistency verification on the candidate mountain fire tracing path set to obtain a candidate mountain fire tracing path set passing through full-flow verification; Extracting intersection of a local verification passing candidate mountain fire tracing path set and a full-flow verification passing candidate mountain fire tracing path set to obtain a verification passing candidate mountain fire tracing path set; And adding the candidate mountain fire tracing path sets except the candidate mountain fire tracing path set passing through verification in the candidate mountain fire tracing path set into the candidate mountain fire tracing path set not passing through verification.
6. The blockchain-based power transmission line mountain fire tracing method of claim 5, wherein performing local consistency verification on the candidate mountain fire tracing path set, obtaining a local verification passing candidate mountain fire tracing path set, comprises: Randomly extracting a first candidate mountain fire tracing path from the candidate mountain fire tracing path set, and carrying out path disassembly on the first candidate mountain fire tracing path to obtain first path disassembly information, wherein the first path disassembly information comprises a transmission line abnormal event identifier, occurrence time and space position information corresponding to the transmission line abnormal event, a fire point event identifier associated with the transmission line abnormal event, and a fire point occurrence time and a fire point space position corresponding to the fire point event; Performing time proximity verification and space proximity verification and abnormal type matching verification based on the first path disassembly information, judging whether all three verification results pass, if so, judging that the first candidate mountain fire tracing path passes the local consistency verification, and adding the first candidate mountain fire tracing path into the local verification passing candidate mountain fire tracing path set; if not, judging that the local consistency verification is not passed.
7. The blockchain-based power transmission line mountain fire tracing method of claim 6, wherein performing a temporal proximity check, a spatial proximity check, and an anomaly type matching check based on the first path resolution information comprises: Based on the occurrence time and the occurrence time of the fire point, executing time proximity check, calling a preset time window parameter, taking the occurrence time of the abnormal event of the power transmission line as the starting time, judging whether the first monitoring time of the fire point event falls within the preset time window range, and recording whether the time proximity check passes according to a judging result; performing spatial proximity verification based on the spatial position information, determining a preset influence area of a target power transmission line in combination with the spatial position information, judging whether the spatial position of a fire event is positioned in the preset influence area, and recording whether the spatial proximity verification passes according to a judging result; And executing abnormal type matching verification aiming at the power transmission line abnormal event, acquiring an abnormal type identifier corresponding to the power transmission line abnormal event, judging whether the abnormal type is contained in an abnormal type set which is preset and can directly trigger fire, and recording whether the abnormal type matching verification is passed.
8. The blockchain-based power transmission line mountain fire tracing method of claim 1, wherein performing full-flow consistency verification on the candidate mountain fire tracing path set, obtaining full-flow verification through the candidate mountain fire tracing path set comprises: traversing and extracting meteorological parameter values in the candidate mountain fire tracing path set to obtain a meteorological parameter value set; and calling a preset fire evolution environment condition parameter table, respectively carrying out matching verification on the meteorological parameter value sets, and if the matching verification is passed, adding the corresponding candidate mountain fire tracing paths into a full-flow verification passing candidate mountain fire tracing path set.
9. The blockchain-based power transmission line mountain fire tracing method of claim 1, wherein performing cumulative bias analysis on the verification-passing candidate mountain fire tracing path set to determine a target mountain fire tracing path comprises: performing deviation analysis from three dimensions of environmental conditions, spatial relations and time relations through the verification through the candidate mountain fire tracing path set, and respectively weighting analysis results to obtain an accumulated deviation set; and taking the verification passing candidate mountain fire tracing path corresponding to the minimum value in the accumulated deviation set as a target mountain fire tracing path.
10. A power transmission line mountain fire tracing system based on a block chain, wherein the system is configured to implement the power transmission line mountain fire tracing method based on a block chain as claimed in any one of claims 1 to 9, the system comprising: the block chain network construction module is used for constructing a multi-party participated alliance block chain network, wherein the alliance block chain network is used for carrying out trusted authentication and collaborative verification on forest fire information; The multi-source information storage module is used for carrying out multi-source information under-chain storage and on-chain abstract storage based on the alliance blockchain network; The tracing path generation module is used for generating a candidate mountain fire tracing path set based on the abnormal event of the power transmission line, the occurrence time of fire points and the space position of the fire points in the mountain fire event of the target power transmission line; The consistency verification module is used for carrying out double-scale consistency verification on the candidate mountain fire tracing path set to obtain a candidate mountain fire tracing path set which passes verification and a candidate mountain fire tracing path set which does not pass verification; And the accumulated deviation analysis module is used for carrying out accumulated deviation analysis on the verified candidate mountain fire tracing path set and determining a target mountain fire tracing path.

Description

Power transmission line mountain fire tracing method and system based on block chain Technical Field The invention relates to the technical field of data processing, in particular to a power transmission line mountain fire tracing method and system based on a block chain. Background The frequent occurrence of mountain fires along the power transmission line is an important threat for the safe operation of a power system, the tripping of the power transmission line and equipment damage are possibly caused, and large-area power failure accidents of a power grid are caused, traditional mountain fire tracing mainly depends on manual inspection, satellite remote sensing monitoring and meteorological data analysis, power grid companies, forestry departments, meteorological offices, emergency management departments and the like to master mountain fire related information of different dimensions, information island phenomena are serious, an effective collaborative analysis mechanism is difficult to form, the existing tracing is mostly backward, a complete and reliable evidence chain is lacking, high-precision space-time matching is difficult to realize when multi-source heterogeneous data such as power monitoring data, remote sensing images, meteorological data and topographic data are processed, large uncertainty exists in tracing results, and mountain fire related evidence can be tampered in the collecting, transmitting and storing processes. In addition, the current mountain fire tracing of the power transmission line mainly comprises an electrical characteristic analysis method based on power monitoring data, a fire point monitoring method based on a remote sensing technology and a fire risk prediction method based on meteorological conditions, wherein the electrical characteristic analysis method depends on information such as line fault wave recording and protection actions, and is difficult to distinguish fault causes such as mountain fire, lightning stroke and equipment aging, the remote sensing monitoring method can provide fire point positions and spreading trends, but is limited by cloud cover and time resolution, and the fire source is difficult to accurately identify in time, and the meteorological prediction method can evaluate the fire risk but cannot provide exact fire point and cause evidence. Therefore, in the related technology at the present stage, the technical problems of insufficient accuracy and reliability of the mountain fire tracing path caused by the lack of multiparty data mutual trust, difficult fusion of multi-source heterogeneous information and easy tampering of the mountain fire tracing evidence chain exist. Disclosure of Invention By providing the power transmission line mountain fire tracing method and system based on the block chain, the technical problems that in the prior art, multiparty data mutual trust is lost, multisource heterogeneous information is difficult to fuse, a mountain fire tracing evidence chain is easy to tamper, and accuracy and reliability of a mountain fire tracing path are insufficient are solved, and the technical effects of achieving accurate responsibility identification and fire tracing and improving accuracy and reliability of the mountain fire tracing path are achieved. The application provides a power transmission line mountain fire tracing method based on a blockchain, which comprises the steps of constructing a multi-party participated alliance blockchain network, performing trusted verification and collaborative verification on mountain fire information, performing multi-source information under-chain storage and on-chain summary verification based on the alliance blockchain network, generating a candidate mountain fire tracing path set based on power transmission line abnormal events, fire occurrence time and fire space positions in a target power transmission line mountain fire event, performing double-scale consistency verification on the candidate mountain fire tracing path set to obtain a candidate mountain fire tracing path set through which verification passes and a candidate mountain fire tracing path set through which verification does not pass, and performing accumulated deviation analysis on the candidate mountain fire tracing path set through which verification passes to determine the target mountain fire tracing path. In a possible implementation, the federated blockchain network includes power enterprise nodes, emergency management nodes, forestry management nodes, and weather service nodes. In a possible implementation manner, multi-source information under-chain storage and on-chain abstract storage are performed based on the alliance blockchain network, and the multi-source information under-chain storage and on-chain abstract storage method comprises the steps of storing transmission line operation information, fire monitoring information, weather information and inspection records in an under-chain database respectively, genera