CN117728574A - Unified remote operation and maintenance management and control method and system for network security equipment of power monitoring system - Google Patents
Unified remote operation and maintenance management and control method and system for network security equipment of power monitoring system Download PDFInfo
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Abstract
The invention discloses a unified remote operation and maintenance management and control method and system for network safety equipment of an electric power monitoring system, which relate to the technical field of electric power safety monitoring and comprise the steps of remotely connecting equipment after the equipment is installed, connecting a remote terminal with monitoring equipment, and acquiring data of a monitoring range by the monitoring equipment; uploading the data acquired by the monitoring equipment to a remote terminal in real time, setting a threshold value of the data acquired by the monitoring equipment, and carrying out fault error reporting when the real-time data of the monitoring data is higher than the threshold value; the remote terminal is used for regulating and controlling the internal switch of the monitoring equipment, issuing operation and maintenance tasks, maintaining the monitoring equipment through an operation and maintenance engineer, uploading operation and maintenance data after operation and maintenance are completed, and forming a log record in the remote terminal. The method comprises the steps of remotely monitoring facilities in the electric power grid, uploading data in real time, timely performing error early warning, quickly performing regulation and maintenance, recording and learning an operation and maintenance processing method, and quickly managing the operation and maintenance of the power grid faults after long-term use.
Description
Technical Field
The invention relates to the technical field of electric power safety monitoring, in particular to a unified remote operation and maintenance management and control method and system for network safety equipment of an electric power monitoring system.
Background
Along with the continuous expansion of the power grid scale, the number of unattended monitoring on the power grid is also continuously increased, wherein the power grid comprises power distribution facilities of different grades such as transformer substations, power distribution boxes and the like, and for unified management, an intelligent monitoring network is adopted for digital management.
General Packet Radio Service (GPRS) is a widely used data transmission technology in 2G and 3G cellular networks. As a key step in the mobile communication technology, GPRS provides a continuous internet connection for mobile devices, which is an improvement as it represents a transition from traditional circuit switched communication to packet switched communication.
The safety control of the current power monitoring system has a certain problem in practical application, for example, the invention patent in China with the application publication number of CN 115913607A provides a network safety system intelligent operation and maintenance method and device based on power equipment, and the method comprises the following steps: determining all network security detection items under each system detection class of the monitoring system, and generating a system detection plan according to the network security detection items; detecting each network security detection item according to a system detection plan to obtain an item detection result; and carrying out operation and maintenance on the monitoring system according to the project detection result. Therefore, the invention can automatically generate the detection plan of the equipment monitoring system, so as to detect and operate and maintain the monitoring system, and can update the detection plan according to the operation and maintenance result without manually controlling the related network security parameters and information to operate and maintain the monitoring system, thus being beneficial to forming closed-loop tracking on the detection plan, further ensuring the validity of the generated detection plan and improving the management and control efficiency of the detection plan, and further carrying out high-efficiency operation and maintenance on the monitoring system in time, and ensuring the safe and stable operation of the network security system.
In another example, a remote operation and maintenance system is proposed in chinese patent application publication No. CN 116155687A, which includes an equipment monitoring module, an alarm information module, a task statistics module, an employee statistics module and an asset statistics module, where a data output end of the equipment monitoring module is connected with a data input end of the alarm information module, a data output end of the alarm information module is connected with a data input end of the task statistics module, a data output end of the task statistics module is connected with a data input end of the asset statistics module, and a data output end of the employee statistics module is connected with a data input end of the asset statistics module.
But in the actual working and use process, the information of the remote monitoring equipment is not fully known, the remote monitoring equipment is inconvenient to directly and quickly regulate, control and use in a remote mode, meanwhile, the actual problem cannot be quickly and timely reacted, data recording cannot be carried out, and the operation and maintenance management and control efficiency is not improved in the long-term use process.
Therefore, we propose a unified remote operation and maintenance management and control method for network security equipment of a power monitoring system, so as to solve the above-mentioned problems.
Disclosure of Invention
The present invention has been made in view of the above-described problems.
Accordingly, the present invention solves the problems of: how to solve the problem of improving the operation and control efficiency in the long-term use process.
In order to solve the technical problems, the invention provides the following technical scheme: the unified remote operation and maintenance control method for the network safety equipment of the electric power monitoring system comprises the steps of remotely connecting equipment after the equipment is installed, enabling a remote terminal to be connected with monitoring equipment, and enabling the monitoring equipment to acquire data of a monitoring range; uploading the data acquired by the monitoring equipment to a remote terminal in real time, setting a threshold value of the data acquired by the monitoring equipment, and carrying out fault error reporting when the real-time data of the monitoring data is higher than the threshold value; the remote terminal is used for regulating and controlling the internal switch of the monitoring equipment, issuing operation and maintenance tasks, maintaining the monitoring equipment through an operation and maintenance engineer, uploading operation and maintenance data after operation and maintenance are completed, and forming a log record in the remote terminal.
As a preferable scheme of the unified remote operation and maintenance management and control method of the network security equipment of the power monitoring system, the invention comprises the following steps: the monitoring equipment is provided with a plurality of groups, and the monitoring equipment is connected with the remote terminal through a remote network in a many-to-one mode; the monitoring range of the monitoring equipment comprises voltage, current, photographic images, resistance, GPRS, an electric brake and environmental information; the environmental information includes temperature and humidity.
As a preferable scheme of the unified remote operation and maintenance management and control method of the network security equipment of the power monitoring system, the invention comprises the following steps: the threshold settings include a voltage threshold setting, a current threshold setting, and a resistance threshold setting, expressed as:
θ jh ＝μ j +(α j ·β j ·k j +1)·σ j
θ jl ＝μ j -(α j ·β j ·k j +1)·σ j
wherein mu j The average value of the j-th type parameter is j, the j-th type parameter is set as a threshold value, i is the i-th acquisition, n is the total acquisition times, j i Historical data, sigma, for the j-th type parameter acquired the i-th time j Standard deviation of j-th type parameter, θ jh Is the upper threshold value of the voltage, alpha j For the j-th type parameter fluctuation frequency coefficient, beta j An environmental factor coefficient, k, for a j-th type parameter j A parameter adjustment factor for the j-th type parameter, θ jl Is the lower threshold of the voltage; and setting the parameters of the parameter fluctuation frequency coefficient, the parameter environmental factor coefficient and the parameter adjustment factor.
As a preferable scheme of the unified remote operation and maintenance management and control method of the network security equipment of the power monitoring system, the invention comprises the following steps: the coefficient settings are expressed as:
wherein n is je For the number of times the j-th type parameter is acquired outside the threshold range,for the Pearson's correlation coefficient between the j-th type parameter and temperature, E Ti For the temperature value of the ith acquisition, +.>For the mean value of the temperatures of n acquisitions, +.>For the Pearson's correlation coefficient between the j-th type parameter and humidity, E Hi For the humidity value of the ith acquisition, +.>For the mean value of the humidity of n acquisitions, sigma jr Standard deviation, sigma, of n acquired data jc Is the standard deviation of the whole device in the operation process.
As a preferable scheme of the unified remote operation and maintenance management and control method of the network security equipment of the power monitoring system, the invention comprises the following steps: the threshold setting further comprises photographic image threshold setting, GPRS threshold setting, switch state threshold setting and environment information threshold setting; the photographic image threshold setting includes extracting image features using a deep-learning convolutional neural network, outputting a feature vector for each image, calculating a similarity score, setting a similarity threshold θ s The method comprises the steps of carrying out a first treatment on the surface of the The GPRS threshold setting comprises setting a decibel threshold value theta of signal strength d And a transmission rate threshold value theta of connection quality c The method comprises the steps of carrying out a first treatment on the surface of the The setting of the electric brake state threshold value comprises the steps of judging the state of an electric brake switch; the setting of the environmental information threshold comprises setting according to the working environment and the safety standard of the equipmentFixed temperature threshold value theta w And a humidity threshold value theta hu 。
As a preferable scheme of the unified remote operation and maintenance management and control method of the network security equipment of the power monitoring system, the invention comprises the following steps: the fault reporting includes, for voltage, if the real-time monitoring voltage exceeds the voltage high threshold value theta Vh If the real-time monitoring voltage is lower than the low voltage threshold value theta, the overvoltage fault is caused, the equipment is overheated, the insulating material is damaged or the electric fire is caused, the electric network fluctuation or the equipment fault is caused Vl If the power supply is in an under-voltage fault, the power supply is unstable, the load is too heavy or the cable is in a fault, and the performance of the equipment is reduced or damaged due to long-time under-voltage; for current, if the real-time monitoring current exceeds the current high threshold value theta Ih Overload fault, overload circuit, overheat wire, equipment damage or fuse triggering, if the real-time monitoring current is lower than the low current threshold value theta Il The fault is a current open circuit fault, a circuit interruption, a broken line or equipment fault; for the resistor, if the real-time monitoring resistance value exceeds the high resistance threshold value theta Rh If the resistance value is lower than the low resistance threshold value theta, the fault is the excessively high resistance fault, the fault is indicated to be broken line, poor contact or element aging, and if the real-time monitoring resistance value is lower than the low resistance threshold value theta Rl Failure due to too low resistance, resulting from short circuit or partial element damage; for photographic images, if the similarity score of the real-time monitoring image is lower than the similarity threshold value theta s If the image quality is abnormal, the vision is shielded, the camera is damaged or the illumination condition is poor; for GPRS, if the GPRS signal strength is lower than the dB threshold value theta d If the data transmission rate of the GPRS connection is lower than the transmission rate threshold value theta, the signal is weak, the network coverage of the area where the equipment is located is poor, or the antenna performance of the equipment is insufficient, the signal is weak, so that the data transmission is unstable c The transmission rate is faulty, which is caused by network congestion, equipment hardware problems or signal interference; for the electric brake state, if the actual state of the electric brake is not consistent with the command state, the electric brake state is not consistent with the fault, and the control fault and the mechanical fault of the electric system are indicated; for environmental information, if the real-time monitoring temperature exceeds the temperature threshold value theta w Then the temperature abnormality fault is a temperature abnormality fault, which indicates that the equipment is overheated or the cooling system is faulty,if the real-time monitoring humidity exceeds the humidity threshold value theta hu If the humidity is abnormal, the ventilation is poor, the sealing is improper or the climate condition is changed, so that the equipment is corroded or the electrical failure is caused.
As a preferable scheme of the unified remote operation and maintenance management and control method of the network security equipment of the power monitoring system, the invention comprises the following steps: the regulation and control comprises, for overvoltage faults, immediately reducing power supply output, isolating affected areas from further damage, checking voltage regulation systems of power grids and equipment, finding specific reasons for the overvoltage, repairing the voltage regulators and power supply equipment of the faults; for undervoltage faults, attempting to increase power supply output, checking whether excessive load affects power supply stability, checking power supply wires and connections, determining the cause of undervoltage, replacing damaged cables, and adjusting load distribution; for overload faults, reducing loads, temporarily cutting off power supply, checking and identifying equipment causing overload, evaluating whether circuit design is reasonable, and if the circuit design is not reasonable, reconfiguring an upgrade circuit; for a current breaking fault, checking the state of the breaker, attempting to restore circuit connection, searching and repairing broken wires or damaged connection, checking the cause of the current interruption, and replacing a fault component; for faults of overhigh resistance, the affected circuit is checked and tested, the position of broken wires or poor contact is searched, and an aging element is replaced, so that firm connection is ensured; for faults with excessively low resistance, isolating a short circuit area, checking and identifying the cause of the short circuit, and replacing damaged elements and circuit parts; for abnormal image quality, remotely adjusting the focal length or direction of the camera to try to improve the image quality, and if not, checking whether the camera is damaged, blocked or improperly placed, cleaning the lens or replacing damaged equipment; for weak signal faults, checking and adjusting the antenna direction, evaluating the position of equipment, reconfiguring a GPRS module, and optimizing signal reception; for transmission rate faults, network congestion and hardware fault problems are diagnosed, network configuration is checked, a coordination network service provider solves external network problems, and network connection is reestablished; for the electric brake state not conforming to the fault, remotely attempting to change the electric brake state, if the electric brake state cannot be changed, checking a control system, checking mechanical and electrical components of the electric brake, diagnosing the fault of the control system and replacing the fault component; for abnormal temperature faults, adjusting an environment control system, if the temperature does not return to a normal level, checking a heat dissipation system and air conditioning equipment, determining an overheating reason, cleaning a radiator, replacing a fan and optimizing environment temperature control; for abnormal humidity faults, the dehumidifier and the air conditioner are adjusted, if the humidity is not recovered to be normal, a humidity control system and a sealing condition are checked, and the problem of high humidity is repaired; and upload detailed information of the fault, including fault type, time of occurrence, affected device or system, and form a log record in the remote terminal.
Another object of the present invention is to provide a system for controlling and managing a unified remote operation and maintenance of a network security device of a power monitoring system, which can solve the problem of controlling and managing a unified remote operation and maintenance of a network security device of a power monitoring system by constructing a remote operation and maintenance control system.
In order to solve the technical problems, the invention provides the following technical scheme: the unified remote operation and maintenance management and control system of the network safety equipment of the power monitoring system comprises a remote terminal and monitoring equipment; the remote terminal comprises a database module and an interaction module; the monitoring equipment comprises a remote monitoring module, a positioning module, a data transmission module, a remote control module, a power module, a storage module and an interaction module; the database module is used for storing monitoring data, operation and maintenance logs and fault record information; the remote monitoring module is responsible for real-time monitoring, including monitoring of voltage, current, photographic images, resistance, GPRS, electric brake and environmental information parameters; the positioning module is used for determining the specific position of the fault equipment; the data transmission module is used for transmitting the monitoring data to the remote terminal; the remote control module is used for remotely adjusting and controlling the monitoring equipment by operation and maintenance personnel; the power module provides necessary power support for the monitoring equipment; the storage module is used for locally storing the monitoring data, temporarily storing the monitoring data and backing up the data in case of failure; the interaction module is used for providing a user interface and command input for interaction between a user and a remote terminal, creating and issuing operation and maintenance tasks and for local operation and information display of equipment.
A computer device comprising a memory and a processor, said memory storing a computer program, characterized in that the processor, when executing said computer program, implements the steps of the method for unified remote operation and maintenance of a network security device of a power monitoring system as described above.
A computer readable storage medium having stored thereon a computer program, characterized in that the computer program when executed by a processor implements the steps of a method for unified remote operation and maintenance of a network security device of a power monitoring system as described above.
The invention has the beneficial effects that: the unified remote operation and maintenance management and control method for the network safety equipment of the power monitoring system can remotely monitor the respective facilities in the power grid, is convenient for recording and uploading data in real time, can stably and efficiently perform error early warning timely, is convenient for rapid regulation and maintenance, can record and learn the operation and maintenance processing method, and is convenient for long-term use to rapidly operate and maintain management on power grid faults.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an overall flowchart of a unified remote operation and maintenance control method for a network security device of a power monitoring system according to a first embodiment of the present invention.
Fig. 2 is a flowchart of a unified remote operation and maintenance control method for a network security device of a power monitoring system according to a first embodiment of the present invention.
Fig. 3 is a schematic protection diagram of a network security device unified remote operation and maintenance management and control system of a power monitoring system according to a second embodiment of the present invention when a ground short fault occurs.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Example 1
Referring to fig. 1 and 2, a first embodiment of the present invention provides a method for controlling a network security device of a power monitoring system by unified remote operation and maintenance, which includes: after the equipment is installed, the remote connection is carried out, so that the remote terminal is connected with the monitoring equipment, and the monitoring equipment carries out data acquisition on the monitoring range; uploading the data acquired by the monitoring equipment to a remote terminal in real time, setting a threshold value of the data acquired by the monitoring equipment, and carrying out fault error reporting when the real-time data of the monitoring data is higher than the threshold value; the remote terminal is used for regulating and controlling the internal switch of the monitoring equipment, issuing operation and maintenance tasks, maintaining the monitoring equipment through an operation and maintenance engineer, uploading operation and maintenance data after operation and maintenance are completed, and forming a log record in the remote terminal.
And step one, performing remote connection after equipment is installed, so that the remote terminal is connected with the monitoring equipment.
And step two, the monitoring equipment performs data acquisition on the monitoring range.
And thirdly, uploading the data acquired by the monitoring equipment to the remote terminal in real time.
And step four, setting a threshold value for the data acquired by the monitoring equipment.
And fifthly, performing fault reporting when the real-time data of the monitored data is higher than the threshold value.
And step six, regulating and controlling an internal switch of the monitoring equipment through the remote terminal.
And step seven, issuing operation and maintenance tasks, and maintaining the monitoring equipment through an operation and maintenance engineer.
And step eight, uploading operation and maintenance data after the operation and maintenance are completed, and forming log records in the remote terminal.
And step nine, repeating the step one to the step eight. As shown in fig. 2.
The monitoring equipment is provided with a plurality of groups, and the monitoring equipment is connected with the remote terminal through a remote network in a many-to-one mode; the monitoring range of the monitoring equipment comprises voltage, current, photographic images, resistance, GPRS, a switch and environmental information; the environmental information includes temperature and humidity.
The threshold settings include a voltage threshold setting, a current threshold setting, and a resistance threshold setting, expressed as:
θ jh ＝μ j +(α j ·β j ·k j +1)·σ j
θ jl ＝μ j -(α j ·β j ·k j +1)·σ j
wherein mu j The average value of the j-th type parameter is j, the j-th type parameter is set as a threshold value, i is the i-th acquisition, n is the total acquisition times, j i Historical data, sigma, for the j-th type parameter acquired the i-th time j Standard deviation of j-th type parameter, θ jh Is the upper threshold value of the voltage, alpha j For the j-th type parameter fluctuation frequency coefficient, beta j An environmental factor coefficient, k, for a j-th type parameter j A parameter adjustment factor for the j-th type parameter, θ jl Is the lower threshold of the voltage; and setting the parameters of the parameter fluctuation frequency coefficient, the parameter environmental factor coefficient and the parameter adjustment factor.
The coefficient settings are expressed as:
wherein n is je For the number of times the j-th type parameter is acquired outside the threshold range,for the Pearson's correlation coefficient between the j-th type parameter and temperature, E Ti For the temperature value of the ith acquisition, +.>For the mean value of the temperatures of n acquisitions, +.>For the Pearson's correlation coefficient between the j-th type parameter and humidity, E Hi For the humidity value of the ith acquisition, +.>For the mean value of the humidity of n acquisitions, sigma jr Standard deviation, sigma, of n acquired data jc Is the standard deviation of the whole device in the operation process.
The threshold setting also comprises photographic image threshold setting, GPRS threshold setting, electric brake state threshold setting and environment information threshold setting; photographic image thresholdValue setting image features are extracted by using a deep-learning convolutional neural network, a feature vector is output for each image, a similarity score is calculated, and a similarity threshold value theta is set s The method comprises the steps of carrying out a first treatment on the surface of the GPRS threshold setting signal strength decibel threshold theta d And a transmission rate threshold value theta of connection quality c The method comprises the steps of carrying out a first treatment on the surface of the Setting a switch state threshold value to judge the switch state of the switch; environmental information threshold setting temperature threshold θ is set according to the operating environment and safety criteria of the device w And a humidity threshold value theta hu . The threshold is set according to the historical data, the working environment of the equipment and the safety standard, and normal operation of the equipment is guaranteed.
Fault reporting, for voltage, if the real-time monitoring voltage exceeds the voltage high threshold value theta Vh If the real-time monitoring voltage is lower than the low voltage threshold value theta, the overvoltage fault is caused, the equipment is overheated, the insulating material is damaged or the electric fire is caused, the electric network fluctuation or the equipment fault is caused Vl If the power supply is in an under-voltage fault, the power supply is unstable, the load is too heavy or the cable is in a fault, and the performance of the equipment is reduced or damaged due to long-time under-voltage; for current, if the real-time monitoring current exceeds the current high threshold value theta Ih Overload fault, overload circuit, overheat wire, equipment damage or fuse triggering, if the real-time monitoring current is lower than the low current threshold value theta Il The fault is a current open circuit fault, a circuit interruption, a broken line or equipment fault; for the resistor, if the real-time monitoring resistance value exceeds the high resistance threshold value theta Rh If the resistance value is lower than the low resistance threshold value theta, the fault is the excessively high resistance fault, the fault is indicated to be broken line, poor contact or element aging, and if the real-time monitoring resistance value is lower than the low resistance threshold value theta Rl Failure due to too low resistance, resulting from short circuit or partial element damage; for photographic images, if the similarity score of the real-time monitoring image is lower than the similarity threshold value theta s If the image quality is abnormal, the vision is shielded, the camera is damaged or the illumination condition is poor; for GPRS, if the GPRS signal strength is lower than the dB threshold value theta d If the data transmission rate of the GPRS connection is lower than the transmission rate threshold value theta, the signal is weak, the network coverage of the area where the equipment is located is poor, or the antenna performance of the equipment is insufficient, the signal is weak, so that the data transmission is unstable c The transmission rate is faulty, which is caused by network congestion, equipment hardware problems or signal interference; for the electric brake state, if the actual state of the electric brake is not consistent with the command state, the electric brake state is not consistent with the fault, and the control fault and the mechanical fault of the electric system are indicated; for environmental information, if the real-time monitoring temperature exceeds the temperature threshold value theta w If the humidity exceeds the humidity threshold value theta, the temperature is abnormal, the equipment is overheated or the cooling system is in fault, and if the humidity exceeds the humidity threshold value theta in real time hu If the humidity is abnormal, the ventilation is poor, the sealing is improper or the climate condition is changed, so that the equipment is corroded or the electrical failure is caused.
Regulating and controlling, namely immediately reducing power supply output for overvoltage faults, isolating affected areas to prevent further damage, checking voltage regulating systems of power grids and equipment, searching specific reasons for overvoltage, and repairing voltage regulators and power supply equipment of faults; for undervoltage faults, attempting to increase power supply output, checking whether excessive load affects power supply stability, checking power supply wires and connections, determining the cause of undervoltage, replacing damaged cables, and adjusting load distribution; for overload faults, reducing loads, temporarily cutting off power supply, checking and identifying equipment causing overload, evaluating whether circuit design is reasonable, and if the circuit design is not reasonable, reconfiguring an upgrade circuit; for a current breaking fault, checking the state of the breaker, attempting to restore circuit connection, searching and repairing broken wires or damaged connection, checking the cause of the current interruption, and replacing a fault component; for faults of overhigh resistance, the affected circuit is checked and tested, the position of broken wires or poor contact is searched, and an aging element is replaced, so that firm connection is ensured; for faults with excessively low resistance, isolating a short circuit area, checking and identifying the cause of the short circuit, and replacing damaged elements and circuit parts; for abnormal image quality, remotely adjusting the focal length or direction of the camera to try to improve the image quality, and if not, checking whether the camera is damaged, blocked or improperly placed, cleaning the lens or replacing damaged equipment; for weak signal faults, checking and adjusting the antenna direction, evaluating the position of equipment, reconfiguring a GPRS module, and optimizing signal reception; for transmission rate faults, network congestion and hardware fault problems are diagnosed, network configuration is checked, a coordination network service provider solves external network problems, and network connection is reestablished; for the electric brake state not conforming to the fault, remotely attempting to change the electric brake state, if the electric brake state cannot be changed, checking a control system, checking mechanical and electrical components of the electric brake, diagnosing the fault of the control system and replacing the fault component; for abnormal temperature faults, adjusting an environment control system, if the temperature does not return to a normal level, checking a heat dissipation system and air conditioning equipment, determining an overheating reason, cleaning a radiator, replacing a fan and optimizing environment temperature control; for abnormal humidity faults, the dehumidifier and the air conditioner are adjusted, if the humidity is not recovered to be normal, a humidity control system and a sealing condition are checked, and the problem of high humidity is repaired; and upload detailed information of the fault, including fault type, time of occurrence, affected device or system, and form a log record in the remote terminal.
The remote terminal marks the log records, numbers, identifies and memorizes the error types and stores the error types in the database, and after the remote terminal detects the errors, the remote terminal automatically identifies the database to identify the errors, selects the optimal processing scheme, and can timely generate the processing scheme after different fault events occur by recording, analyzing and learning the data, thereby being beneficial to efficiently monitoring and maintaining the safety operation of the power grid.
When the power grid management is carried out by the remote operation and maintenance management and control method, firstly, the installed power grid branch facilities are connected with a remote terminal in a remote network mode, and after the connection is finished, data monitored by a remote monitoring module in the monitoring equipment are uploaded by a data transmission module in the monitoring equipment, so that the data are transmitted into a remote terminal database;
and setting thresholds of different monitoring data through an interaction module of the remote terminal, and alarming if the monitoring data value is higher than a preset threshold in the running process of the system.
Checking the monitoring equipment through the remote terminal, checking corresponding facilities, such as power failure and the like, performing operation and maintenance task lowering through the remote terminal through the interaction module, and enabling operation and maintenance personnel to reach the corresponding monitoring equipment to perform facility maintenance through position information sent by the positioning module of the monitoring equipment after receiving the task.
The operation and maintenance personnel send maintenance information to the remote terminal, the remote terminal analyzes and processes the information, extracts key information such as failure reasons and failure processing methods, and learns to conduct planning after failure occurs again, so that power grid maintenance and use are conducted efficiently.
Example 2
Referring to fig. 3, in a second embodiment of the present invention, unlike the previous embodiment, there is provided a system for unified remote operation and maintenance of network security devices of a power monitoring system, including: a remote terminal and a monitoring device;
the remote terminal comprises a database module and an interaction module, the data can be stored and recorded through the database in the remote terminal, meanwhile, the data is managed through the interaction module, information is convenient to view through the interaction module, and operation and maintenance tasks can be created and issued through the interaction module.
The monitoring equipment is provided with 1-N groups, the monitoring equipment is connected with the remote terminal through a remote network in a many-to-one mode, the monitoring equipment comprises a remote monitoring module, a positioning module, a data transmission module, a remote control module, a power module, a storage module and an interaction module, the 1-N groups of monitoring equipment are connected with the remote terminal through the network in a many-to-one mode, and unified management and control are facilitated, wherein the interaction module can be a computer.
The database module is used for storing monitoring data, operation and maintenance logs and fault record information.
The remote monitoring module is responsible for real-time monitoring, including monitoring of voltage, current, photographic images, resistance, GPRS, electric brake and environmental information parameters.
The positioning module is used for determining the specific position of the fault equipment.
The data transmission module is used for transmitting the monitoring data to the remote terminal.
The remote control module is used for operating and maintaining personnel to remotely adjust and control the monitoring equipment.
The power module provides the necessary power support for the monitoring device.
The storage module is used for locally storing the monitoring data, temporarily storing the monitoring data and backing up the data in case of failure.
And the interaction module is used for providing a user interface and command input for interaction between a user and the remote terminal, creating and issuing an operation and maintenance task and for locally operating and displaying information of the equipment.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only memory (ROM), a random access memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
Logic and/or steps represented in the flowcharts or otherwise described herein, e.g., a ordered listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). In addition, the computer readable medium may even be paper or other suitable medium on which the program is printed, as the program may be electronically captured, via, for instance, optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner, if necessary, and then stored in a computer memory.
It is to be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, may be implemented using any one or combination of the following techniques, as is known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
Example 3
A third embodiment of the present invention, which is different from the first two embodiments, is: the technical effects adopted in the invention are verified and explained to verify the true effects of the method.
And constructing simulation, and respectively using the my invention method and the traditional method to perform unified remote operation and maintenance control on the network security equipment of the power monitoring system.
The present example uses the conventional method and my invention method to detect simultaneously, and the comparison results are shown in the following table:
table 1 comparison table of conventional method and my invention method
As can be seen from the comparison results, the real-time monitoring response time of the my invention method is reduced by 18s compared with 21s of the traditional method, the fault recognition time is reduced by 139s compared with 144s of the traditional method, the fault response time is reduced by 12min compared with 13min of the traditional method, the fault repair time is reduced by 15min compared with 52min of the traditional method, and the long-term operation and maintenance efficiency is 90.7% and 18.4% compared with 72.3% of the traditional method.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (10)
1. The unified remote operation and maintenance management and control method for the network security equipment of the power monitoring system is characterized by comprising the following steps of: comprising the steps of (a) a step of,
after the equipment is installed, the remote connection is carried out, so that the remote terminal is connected with the monitoring equipment, and the monitoring equipment carries out data acquisition on the monitoring range;
uploading the data acquired by the monitoring equipment to a remote terminal in real time, setting a threshold value of the data acquired by the monitoring equipment, and carrying out fault error reporting when the real-time data of the monitoring data is higher than the threshold value;
the remote terminal is used for regulating and controlling the internal switch of the monitoring equipment, issuing operation and maintenance tasks, maintaining the monitoring equipment through an operation and maintenance engineer, uploading operation and maintenance data after operation and maintenance are completed, and forming a log record in the remote terminal.
2. The method for unified remote operation and maintenance management and control of network security equipment of power monitoring system as claimed in claim 1, wherein: the monitoring equipment is provided with a plurality of groups, and the monitoring equipment is connected with the remote terminal through a remote network in a many-to-one mode;
the monitoring range of the monitoring equipment comprises voltage, current, photographic images, resistance, GPRS, an electric brake and environmental information;
the environmental information includes temperature and humidity.
3. The method for unified remote operation and maintenance management and control of network security equipment of power monitoring system as claimed in claim 2, wherein: the threshold settings include a voltage threshold setting, a current threshold setting, and a resistance threshold setting, denoted as,
θ jh ＝μ j +(α j ·β j ·k j +1)·σ j
θ jl ＝μ j -(α j ·β j ·k j +1)·σ j
wherein mu j The average value of the j-th type parameter is j, the j-th type parameter is set as a threshold value, i is the i-th acquisition, n is the total acquisition times, j i Historical data, sigma, for the j-th type parameter acquired the i-th time j Standard deviation of j-th type parameter, θ jh Is the upper threshold value of the voltage, alpha j For the j-th type parameter fluctuation frequency coefficient, beta j An environmental factor coefficient, k, for a j-th type parameter j A parameter adjustment factor for the j-th type parameter, θ jl Is the lower threshold of the voltage;
and setting the parameters of the parameter fluctuation frequency coefficient, the parameter environmental factor coefficient and the parameter adjustment factor.
4. The method for unified remote operation and maintenance control of network security equipment of power monitoring system according to claim 3, wherein: the coefficient settings are expressed as,
wherein n is je For the number of times the j-th type parameter is acquired outside the threshold range,for the Pearson's correlation coefficient between the j-th type parameter and temperature, E Ti For the temperature value of the ith acquisition, +.>For the mean value of the temperatures of n acquisitions, +.>For the Pearson's correlation coefficient between the j-th type parameter and humidity, E Hi For the humidity value of the ith acquisition, +.>For the mean value of the humidity of n acquisitions, sigma jr Standard deviation, sigma, of n acquired data jc Is the standard deviation of the whole device in the operation process.
5. The method for unified remote operation and maintenance management and control of network security equipment of a power monitoring system according to claim 4, wherein the method comprises the following steps: the threshold setting further comprises photographic image threshold setting, GPRS threshold setting, switch state threshold setting and environment information threshold setting;
the photographic image threshold setting includes extracting image features using a deep-learning convolutional neural network, outputting a feature vector for each image, calculating a similarity score, setting a similarity threshold θ s ；
The GPRS threshold setting comprises setting a decibel threshold value theta of signal strength d And a transmission rate threshold value theta of connection quality c ；
The setting of the electric brake state threshold value comprises the steps of judging the state of an electric brake switch;
the setting of the environmental information threshold comprises setting a temperature threshold theta according to the working environment and the safety standard of the equipment w And a humidity threshold value theta hu 。
6. The method for unified remote operation and maintenance management and control of network security equipment of a power monitoring system according to claim 5, wherein the method comprises the following steps: the fault reporting includes, for voltage, if the real-time monitoring voltage exceeds the voltage high threshold value theta Vh If the real-time monitoring voltage is lower than the low voltage threshold value theta, the overvoltage fault is caused, the equipment is overheated, the insulating material is damaged or the electric fire is caused, the electric network fluctuation or the equipment fault is caused Vl If the power supply is in an under-voltage fault, the power supply is unstable, the load is too heavy or the cable is in a fault, and the performance of the equipment is reduced or damaged due to long-time under-voltage;
for current, if the real-time monitoring current exceeds the current high threshold value theta Ih Overload fault, overload circuit, lead to wire passingThermal, equipment damage or fuse triggering if real-time monitoring current is below current low threshold θ Il The fault is a current open circuit fault, a circuit interruption, a broken line or equipment fault;
for the resistor, if the real-time monitoring resistance value exceeds the high resistance threshold value theta Rh If the resistance value is lower than the low resistance threshold value theta, the fault is the excessively high resistance fault, the fault is indicated to be broken line, poor contact or element aging, and if the real-time monitoring resistance value is lower than the low resistance threshold value theta Rl Failure due to too low resistance, resulting from short circuit or partial element damage;
for photographic images, if the similarity score of the real-time monitoring image is lower than the similarity threshold value theta s If the image quality is abnormal, the vision is shielded, the camera is damaged or the illumination condition is poor;
for GPRS, if the GPRS signal strength is lower than the dB threshold value theta d If the data transmission rate of the GPRS connection is lower than the transmission rate threshold value theta, the signal is weak, the network coverage of the area where the equipment is located is poor, or the antenna performance of the equipment is insufficient, the signal is weak, so that the data transmission is unstable c The transmission rate is faulty, which is caused by network congestion, equipment hardware problems or signal interference;
for the electric brake state, if the actual state of the electric brake is not consistent with the command state, the electric brake state is not consistent with the fault, and the control fault and the mechanical fault of the electric system are indicated;
for environmental information, if the real-time monitoring temperature exceeds the temperature threshold value theta w If the humidity exceeds the humidity threshold value theta, the temperature is abnormal, the equipment is overheated or the cooling system is in fault, and if the humidity exceeds the humidity threshold value theta in real time hu If the humidity is abnormal, the ventilation is poor, the sealing is improper or the climate condition is changed, so that the equipment is corroded or the electrical failure is caused.
7. The method for unified remote operation and maintenance management and control of network security equipment of power monitoring system according to claim 6, wherein the method comprises the following steps: the regulation and control comprises, for overvoltage faults, immediately reducing power supply output, isolating affected areas from further damage, checking voltage regulation systems of power grids and equipment, finding specific reasons for the overvoltage, repairing the voltage regulators and power supply equipment of the faults;
for undervoltage faults, attempting to increase power supply output, checking whether excessive load affects power supply stability, checking power supply wires and connections, determining the cause of undervoltage, replacing damaged cables, and adjusting load distribution;
for overload faults, reducing loads, temporarily cutting off power supply, checking and identifying equipment causing overload, evaluating whether circuit design is reasonable, and if the circuit design is not reasonable, reconfiguring an upgrade circuit;
for a current breaking fault, checking the state of the breaker, attempting to restore circuit connection, searching and repairing broken wires or damaged connection, checking the cause of the current interruption, and replacing a fault component;
for faults of overhigh resistance, the affected circuit is checked and tested, the position of broken wires or poor contact is searched, and an aging element is replaced, so that firm connection is ensured;
for faults with excessively low resistance, isolating a short circuit area, checking and identifying the cause of the short circuit, and replacing damaged elements and circuit parts;
for abnormal image quality, remotely adjusting the focal length or direction of the camera to try to improve the image quality, and if not, checking whether the camera is damaged, blocked or improperly placed, cleaning the lens or replacing damaged equipment;
for weak signal faults, checking and adjusting the antenna direction, evaluating the position of equipment, reconfiguring a GPRS module, and optimizing signal reception;
for transmission rate faults, network congestion and hardware fault problems are diagnosed, network configuration is checked, a coordination network service provider solves external network problems, and network connection is reestablished;
for the electric brake state not conforming to the fault, remotely attempting to change the electric brake state, if the electric brake state cannot be changed, checking a control system, checking mechanical and electrical components of the electric brake, diagnosing the fault of the control system and replacing the fault component;
for abnormal temperature faults, adjusting an environment control system, if the temperature does not return to a normal level, checking a heat dissipation system and air conditioning equipment, determining an overheating reason, cleaning a radiator, replacing a fan and optimizing environment temperature control;
for abnormal humidity faults, the dehumidifier and the air conditioner are adjusted, if the humidity is not recovered to be normal, a humidity control system and a sealing condition are checked, and the problem of high humidity is repaired;
and upload detailed information of the fault, including fault type, time of occurrence, affected device or system, and form a log record in the remote terminal.
8. A system for unifying remote operation and maintenance management and control methods by adopting the network security equipment of the power monitoring system as claimed in any one of claims 1 to 7, which is characterized in that: the system comprises a remote terminal and monitoring equipment;
the remote terminal comprises a database module and an interaction module;
the monitoring equipment comprises a remote monitoring module, a positioning module, a data transmission module, a remote control module, a power module, a storage module and an interaction module;
the database module is used for storing monitoring data, operation and maintenance logs and fault record information;
the remote monitoring module is responsible for real-time monitoring, including monitoring of voltage, current, photographic images, resistance, GPRS, electric brake and environmental information parameters;
the positioning module is used for determining the specific position of the fault equipment;
the data transmission module is used for transmitting the monitoring data to the remote terminal;
the remote control module is used for remotely adjusting and controlling the monitoring equipment by operation and maintenance personnel;
the power module provides necessary power support for the monitoring equipment;
the storage module is used for locally storing the monitoring data, temporarily storing the monitoring data and backing up the data in case of failure;
the interaction module is used for providing a user interface and command input for interaction between a user and a remote terminal, creating and issuing operation and maintenance tasks and for local operation and information display of equipment.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that: the processor, when executing the computer program, implements the steps of the method for unified remote operation and maintenance control of a network security device of a power monitoring system according to any one of claims 1 to 7.
10. A computer-readable storage medium having stored thereon a computer program, characterized by: the computer program, when executed by a processor, implements the steps of the power monitoring system network security device unified remote operation and maintenance management method of any one of claims 1 to 7.
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