CN-121979016-A - Intelligent safety protection system and method for electric power operation

CN121979016ACN 121979016 ACN121979016 ACN 121979016ACN-121979016-A

Abstract

The invention discloses an intelligent safety protection system and method for electric power operation, comprising a multi-source fusion positioning and three-dimensional modeling module, a safety state sensing and risk pre-judging module, a hierarchical intervention control module, an edge calculation and digital twin module, a 5G slice communication transmission module, a multi-scene adaptation module and a system data management and optimization module. The infrared thermal imaging, millimeter wave radar and YOLOv optimization algorithm are integrated, so that not only can dominant safety violation be identified, but also the hidden misoperation risk can be prejudged based on the data such as equipment temperature, operation posture and the like, and the full-dimension safety state perception is realized.

Inventors

WANG WEI
ZHANG JIANFEI
ZHANG JUAN
WANG NA
BAI JIE
GAO HAO
WEN BOWEN

Assignees

国网冀北电力有限公司唐山供电公司

Dates

Publication Date: 20260505
Application Date: 20251216

Claims (11)

1. The intelligent safety protection system for electric power operation is characterized by comprising a multi-source fusion positioning and three-dimensional modeling module, a safety state sensing and risk pre-judging module, a hierarchical intervention control module, an edge calculation and digital twin module, a 5G slice communication transmission module, a multi-scene adaptation module and a system data management and optimization module; the multi-source fusion positioning and three-dimensional modeling module is used for acquiring positioning data of operators and equipment and operation environment information, constructing a dynamic three-dimensional model and correcting positioning deviation; the safety state sensing and risk pre-judging module is used for sensing the safety state of the operation site, identifying dominant illegal behaviors and pre-judging the hidden misoperation risk; the hierarchical intervention control module is used for executing differentiated safety intervention measures according to the risk level; the edge calculation and digital twin module is used for carrying out data local processing and checking potential safety hazards through a digital twin model simulation operation flow; The 5G slice communication transmission module is used for guaranteeing differential transmission of control signals and video streams through a 5G slice technology; The multi-scene adaptation module is used for adapting to different types of power operation scenes; the system data management and optimization module is used for storing and analyzing system operation data and optimizing system performance.
2. The intelligent safety protection system for electric power operation according to claim 1, wherein the multi-source fusion positioning and three-dimensional modeling module comprises a UWB positioning unit, a Beidou positioning unit, a visual reconstruction unit, a dynamic three-dimensional modeling unit and a positioning deviation correction unit; The UWB positioning unit is used for realizing high-precision position acquisition in a short distance and capturing real-time displacement information of an operation target through UWB labels carried by UWB base stations, operators and equipment deployed on an operation site; the Beidou positioning unit is used for receiving Beidou satellite navigation signals, acquiring global position data of an operation area and providing basic support for positioning of outdoor open scenes; the visual reconstruction unit is used for acquiring an environment image and a dynamic image of an operation target through a high-definition camera arranged on an operation site, extracting characteristic point information in the image and providing a data source for three-dimensional modeling; The dynamic three-dimensional modeling unit is used for carrying out fusion processing on the image characteristic points collected by the visual reconstruction unit and the multi-source positioning data, constructing a dynamic three-dimensional model of the working environment, the working personnel and the equipment and reflecting the spatial change of the working scene in real time; The deviation correction algorithm formula is to multiply the original positioning coordinates acquired by the UWB positioning unit with the corresponding weight coefficients thereof, add the product of the original positioning coordinates acquired by the Beidou positioning unit with the corresponding weight coefficients thereof, add the product of the positioning coordinates calculated by the visual reconstruction unit based on the image characteristics and the corresponding weight coefficients thereof, and finally add the deviation compensation quantity provided by the dynamic three-dimensional modeling unit to obtain the corrected final positioning coordinates.
3. The intelligent safety protection system for electric power operation according to claim 1, wherein the safety state sensing and risk pre-judging module comprises an infrared thermal imaging sensing unit, a millimeter wave radar sensing unit, a YOLOv optimization algorithm processing unit, a dominant violation identification unit and a hidden risk pre-judging unit; The infrared thermal imaging sensing unit is used for acquiring temperature data of the operation equipment and the power transmission line through the infrared thermal imaging instrument and capturing abnormal heating phenomenon of the equipment; The millimeter wave radar sensing unit is used for acquiring the operation gesture and movement track data of an operator by utilizing the penetrability and anti-interference performance of the millimeter wave radar; YOLOv8 an optimization algorithm processing unit, which is used for carrying out cooperative processing on infrared thermal imaging data, millimeter wave radar data and visual image data, optimizing target detection precision and response speed and improving feature recognition capability in a complex environment, wherein the specific calculation formula is as follows: Calculating a final target detection confidence score by adopting a weighted summation mode, wherein the method comprises the steps of multiplying the corresponding weight of each data type by target detection confidence obtained by YOLOv algorithm processing of the data type, and accumulating the product results corresponding to all the data types to obtain the final target detection confidence score; the weight reflects the importance degree of the type of data in target detection, the sum of the weights of all data types is equal to one, and the value range of each weight is between zero and one; The dominant violation identification unit is used for identifying dominant safety violations based on the detection result of YOLOv optimization algorithm; the hidden risk prejudging unit is used for establishing a risk prejudging model by combining the operation posture data, the equipment temperature data and the operation flow specification and identifying hidden risks possibly causing misoperation; The specific calculation mode of the risk assessment index comprises the steps of multiplying a dominant violation weight coefficient and a dominant violation score to obtain a first product, multiplying a device temperature abnormality weight coefficient and a device temperature abnormality score to obtain a second product, multiplying a work posture abnormality weight coefficient and a work posture abnormality score to obtain a third product, and finally adding the first product, the second product and the third product to obtain the safety risk assessment index.
4. The intelligent safety protection system for electric power operation according to claim 1, wherein the hierarchical intervention control module comprises a risk level judging unit, an acousto-optic early warning unit, an emergency stop control unit and an intervention feedback unit; The risk level judging unit is used for dividing the security risk into three levels of low, medium and high according to the severity of the explicit violation and the occurrence probability of the implicit risk; the audible and visual early warning unit is used for starting an audible and visual alarm to emit alarm sounds and warning lights with different frequencies when the risk level is low or medium, and reminding operators to correct illegal behaviors or adjust the working posture in time; when the risk level is high, the emergency stop control unit sends an emergency stop instruction to the operation equipment and the transmission line control terminal, cuts off the operation power supply or stops the operation of the equipment, and avoids safety accidents; And the intervention feedback unit records the execution condition of the intervention measures, transmits feedback information to the system data management and optimization module, and provides data support for the optimization of the follow-up risk pre-judgment model.
5. The intelligent safety protection system for electric power operation according to claim 1, wherein the edge calculation and digital twinning module comprises an edge node processing unit, a digital twinning modeling unit, a work flow simulation unit and a hidden danger investigation unit; The edge node processing unit is used for deploying edge computing nodes on an operation site based on an electric power Internet of things operation system architecture and carrying out local processing on data acquired by the multi-source sensor; The digital twin modeling unit is used for constructing a digital twin model corresponding to the physical operation scene according to the geographic information, the equipment parameters and the operation flow specification of the operation scene; The operation flow simulation unit simulates the whole operation flow in the digital twin model, and simulates the personnel movement and the equipment running state under different operation steps; and the hidden danger checking unit is used for comparing the simulation operation flow with the safety specification requirements, identifying potential safety hazards in the flow design and outputting hidden danger positions, types and correction suggestions.
6. The intelligent safety protection system for electric power operation according to claim 1, wherein the 5G slice communication transmission module comprises a 5G slice configuration unit, a control signal transmission unit, a video stream transmission unit and a transmission quality monitoring unit; the 5G slice configuration unit is used for dividing a control signal special slice and a video stream special slice; The control signal transmission unit is used for transmitting key control data; the video stream transmission unit is used for transmitting real-time video data of the operation site; the transmission quality monitoring unit is used for monitoring the transmission quality and dynamically adjusting the network resource distribution.
7. The intelligent safety protection system for electric power operation according to claim 1, wherein the multi-scene adaptation module comprises a scene recognition unit, a parameter configuration unit and a device adaptation unit; the scene recognition unit is used for automatically recognizing the current operation scene type through matching the positioning data, the environment image characteristics and a preset scene characteristic library; the parameter configuration unit is used for automatically calling system configuration information of a corresponding scene according to the identified scene type; and the equipment adapting unit supports communication adaptation with different types of electric power operation equipment, sensors and control terminals.
8. The intelligent safety protection system for electric power operation according to claim 1, wherein the system data management and optimization module comprises a data storage unit, a data analysis unit, a model optimization unit and a historical data calling unit; The data storage unit is used for storing positioning data, safety state sensing data, risk assessment data, intervention execution data and operation flow data in a classified manner to construct a complete system operation database; the data analysis unit is used for carrying out statistical analysis on the stored data and mining rules of risk occurrence, risk characteristics under different scenes and weak links of system operation; The model optimizing unit is used for adjusting parameters of a positioning deviation correction algorithm, weight coefficients of a risk pre-judging model and a 5G slice resource allocation strategy according to the data analysis result, so as to continuously improve the system performance; and the historical data calling unit provides historical data support for parameter configuration of the digital twin operation simulation and the new operation scene and assists in operation scheme formulation.
9. The protection method of the intelligent safety protection system for electric power operation is characterized by comprising the following steps of: Step 1, system initialization and scene adaptation, wherein each module is initialized by self-checking, and a multi-scene adaptation module completes scene recognition, parameter configuration and equipment adaptation; Step 2, multisource fusion positioning and three-dimensional modeling, acquisition of multisource positioning data and image characteristics, construction of a dynamic three-dimensional model and correction of positioning deviation; step 3, safety state sensing and risk pre-judging, collecting multi-sensor data, identifying dominant violations and pre-judging hidden risks, and calculating risk grades; Step 4, edge calculation and digital twin hidden danger investigation, locally processing data, constructing a digital twin model and simulating an operation flow to investigate potential safety hazards; step 5, 5G slice communication transmission guarantee, various data are transmitted through the 5G slice, and the transmission quality is monitored and adjusted; Step 6, executing hierarchical intervention control, executing acousto-optic early warning or emergency shutdown intervention according to the risk level, and recording intervention feedback; step 7, data management and system optimization, storing and analyzing system operation data, optimizing system performance and archiving data; and 8, ending the operation and resetting the system, stopping the operation of each module and resetting to a standby state.
10. A terminal comprises a processor and a storage medium, and is characterized in that: The storage medium is used for storing instructions; The processor being operative according to the instructions to perform the steps of the system as claimed in any one of claims 1-8.
11. Computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the steps of the system according to any of claims 1-8.

Description

Intelligent safety protection system and method for electric power operation Technical Field The invention relates to the technical field of electric power operation safety protection, in particular to an intelligent safety protection system and method for electric power operation. Background With the rapid development of the power industry, complex scenes such as overhead operation of transmission towers and operation of closed spaces of underground distribution rooms are increased, and higher requirements on the precision, comprehensiveness and instantaneity of operation safety protection are provided. The current power operation safety protection technology has a plurality of bottlenecks: In the aspect of positioning, the existing protection system mostly adopts a single GPS or UWB positioning mode, the positioning precision is insufficient under the complex environments such as high-altitude shielding, underground signal shielding and the like, the real-time positions of operators and equipment cannot be accurately captured, the centimeter-level safety control requirements are difficult to meet, the safety monitoring aspect only can identify the dominant illegal actions such as the undelived safety helmet and the like, the prejudging capability of hidden risks such as abnormal operation posture and abnormal equipment temperature is lacking, the safety accidents caused by misoperation cannot be avoided in advance, the data processing and transmission aspect relies on cloud centralized processing data, serious delay occurs in large-scale operation, the traditional communication mode cannot guarantee the differentiated transmission requirements of control signals and video streams, the cooperative operation efficiency is low, the scene suitability aspect is that the existing system is designed aiming at single operation scene, the unified adaptation mechanism is lacked, the operation safety requirements of different environments such as a power transmission tower and an underground power distribution room are difficult to flexibly deal with, the risk intervention aspect is single, the grading response mechanism is not established, the accurate protection measures cannot be adopted according to the risk level, or the excessive intervention affects the operation efficiency or the safety accidents cannot be caused due to the intervention. Disclosure of Invention The invention aims to provide an intelligent safety protection system and method for electric power operation, which are used for solving the problems in the prior art. In order to achieve the aim, the intelligent safety protection system for electric power operation comprises a multi-source fusion positioning and three-dimensional modeling module, a safety state sensing and risk pre-judging module, a hierarchical intervention control module, an edge computing and digital twin module, a 5G slice communication transmission module, a multi-scene adaptation module and a system data management and optimization module; the multi-source fusion positioning and three-dimensional modeling module is used for acquiring positioning data of operators and equipment and operation environment information, constructing a dynamic three-dimensional model and correcting positioning deviation; the safety state sensing and risk pre-judging module is used for sensing the safety state of the operation site, identifying dominant illegal behaviors and pre-judging the hidden misoperation risk; the hierarchical intervention control module is used for executing differentiated safety intervention measures according to the risk level; the edge calculation and digital twin module is used for carrying out data local processing and checking potential safety hazards through a digital twin model simulation operation flow; The 5G slice communication transmission module is used for guaranteeing differential transmission of control signals and video streams through a 5G slice technology; The multi-scene adaptation module is used for adapting to different types of power operation scenes; the system data management and optimization module is used for storing and analyzing system operation data and optimizing system performance. Preferably, the multi-source fusion positioning and three-dimensional modeling module comprises a UWB positioning unit, a Beidou positioning unit, a visual reconstruction unit, a dynamic three-dimensional modeling unit and a positioning deviation correction unit; The UWB positioning unit is used for realizing high-precision position acquisition in a short distance and capturing real-time displacement information of an operation target through UWB labels carried by UWB base stations, operators and equipment deployed on an operation site; the Beidou positioning unit is used for receiving Beidou satellite navigation signals, acquiring global position data of an operation area and providing basic support for positioning of outdoor open scenes; the visual reconstruction un