CN113095189B - Machine vision and data analysis-based intelligent monitoring and management system for operating environment safety of power system transformer substation - Google Patents
Machine vision and data analysis-based intelligent monitoring and management system for operating environment safety of power system transformer substation Download PDFInfo
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Abstract
The invention discloses an intelligent monitoring and management system for the running environment safety of a power system transformer substation based on machine vision and data analysis, which is characterized in that each device in an outdoor transformer substation is numbered in position, a plurality of monitoring points are distributed on each part of each device in the outdoor transformer substation, the value of each environmental parameter at the monitoring point position of each part on each device is detected, the difference value of each environmental parameter value at the monitoring point position of each part on each device is obtained by comparison, all-directional images of each device are collected at the same time, the area of foreign matters in all-directional images of each device is obtained, the area proportion of the foreign matters in all-directional images of each device is analyzed, the running environment safety influence coefficient of each device in the outdoor transformer substation is comprehensively calculated, the running environment safety influence coefficient of each device is compared with a preset threshold value, and the running is stopped if the running environment safety influence coefficient of a certain device is larger than the preset threshold value, and an early warning prompt is sent out, so that the safety of the running environment of equipment in the outdoor transformer substation is guaranteed.
Description
Technical Field
The invention relates to the field of operation environment safety monitoring, in particular to an intelligent monitoring and management system for the operation environment safety of a power system transformer substation based on machine vision and data analysis.
Background
Along with the improvement of the electric power system, the outdoor transformer substation is required to be unattended. Therefore, in the operation process of the outdoor transformer substation, a safe operation environment must be established, and the online monitoring of the factors influencing the safety of the operation environment of the equipment in the outdoor transformer substation is realized, so as to meet the increasing power consumption requirement.
At present, equipment operational environment safety monitoring mainly adopts the mode of artifical timing inspection and tour to carry out on-the-spot monitoring in the outdoor transformer substation, so not only waste a large amount of manpower resources, and there is the detection data timeliness, the not high characteristics of validity, thereby reduce the accuracy and the reliability of artifical detection data, the foreign matter that exists on the equipment in the outdoor transformer substation can't be in time discovered in artifical timing monitoring simultaneously, there is the real-time poor, the problem of no remote monitoring function, thereby reduce the reliability of equipment operation in the outdoor transformer substation, make equipment operational environment have huge potential safety hazard in the outdoor transformer substation, and then can't satisfy people's power consumption demand, in order to solve above problem, the electric power system transformer substation operational environment safety intelligent monitoring management system based on machine vision and data analysis is now designed.
Disclosure of Invention
The invention aims to provide an intelligent monitoring and management system for the running environment safety of a power system transformer substation based on machine vision and data analysis, which is characterized in that each device in an outdoor transformer substation is numbered in position, a plurality of monitoring points are distributed on each device in the outdoor transformer substation, the numerical values of each environmental parameter at the monitoring point position of each device in the outdoor transformer substation are respectively detected, the numerical value difference values of each environmental parameter at the monitoring point position of each device in the outdoor transformer substation are obtained by comparison, simultaneously, an omnidirectional image of each device in the outdoor transformer substation is acquired and processed, the area of foreign matters in the omnidirectional image of each device in the outdoor transformer substation is obtained, the area ratio of the foreign matters in the omnidirectional image of each device in the outdoor transformer substation is analyzed, and simultaneously, the running environment safety influence coefficient of each device in the outdoor transformer substation is comprehensively calculated, the operation environment safety influence coefficient of each device is compared with a preset threshold value, if the operation environment safety influence coefficient of a certain device is larger than the preset threshold value, the operation is stopped, and a corresponding early warning prompt is sent out, so that the problems in the background technology are solved.
The purpose of the invention can be realized by the following technical scheme:
the intelligent monitoring and management system for the running environment safety of the power system transformer substation based on machine vision and data analysis comprises an equipment numbering module, a monitoring point arrangement module, an environmental parameter detection module, an environmental parameter analysis module, an image acquisition module, an image processing module, a foreign matter area acquisition module, an area ratio analysis module, an analysis server, a cloud management center and a storage database;
the monitoring point distribution module is respectively connected with the equipment numbering module and the environmental parameter detection module, the environmental parameter analysis module is respectively connected with the environmental parameter detection module, the analysis server and the storage database, the image processing module is respectively connected with the image acquisition module and the foreign matter area acquisition module, the area ratio analysis module is respectively connected with the foreign matter area acquisition module, the analysis server and the storage database, and the analysis server is respectively connected with the cloud management center and the storage database;
the device numbering module is used for numbering devices in the outdoor transformer substation, sequentially numbering the positions of the devices in the outdoor transformer substation according to a set sequence, wherein the position numbers of the devices in the outdoor transformer substation are respectively 1,2, 1, i, n, and sending the position numbers of the devices in the outdoor transformer substation to the monitoring point arrangement module;
the monitoring point arrangement module is used for receiving the position numbers of the equipment in the outdoor substation sent by the equipment number module, arranging the monitoring points on the equipment in the outdoor substation, sequentially carrying out position numbering on the monitoring points of the equipment in the outdoor substation according to the arrangement sequence, counting the monitoring point position numbers of the equipment in the outdoor substation, and forming a monitoring point position number set A of the equipment in the outdoor substationiB(aib1,aib2,...,aibj,...,aibm)，aibjThe monitoring point position number is expressed as the monitoring point position number of the jth component on the ith equipment in the outdoor substation, and the monitoring point position number set of each component on each equipment in the outdoor substation is sent to the environment parameter detection module;
the environment parameter detection module is used for receiving the monitoring point position number sets of all the components on the outdoor substation sent by the monitoring point arrangement module, respectively detecting the temperature, the humidity, the rainfall, the snowfall and the wind power of the monitoring point positions of all the components on the outdoor substation, counting the environment parameter values of all the components on the outdoor substation, and forming the environment parameter values of all the components on the outdoor substationSet of values of each environmental parameter at the position of monitoring point of each component
The value of the x-th environmental parameter at the monitoring point position of the j-th component on the ith device in the outdoor substation is expressed, wherein x is x1,x2,x3,x4,x5，x1,x2,x3,x4,x5Respectively representing the temperature, the humidity, the rainfall, the snow accumulation and the wind power value in each environmental parameter, and sending each environmental parameter value set at the monitoring point position of each part on each device in the outdoor substation to an environmental parameter analysis module;
the environment parameter analysis module is used for receiving environment parameter value sets at monitoring point positions of all the components on the outdoor substation, which are sent by the environment parameter detection module, extracting and storing safe environment parameter values around all the components on the outdoor substation, which are stored in the database, comparing the environment parameter values at the monitoring point positions of all the components on the outdoor substation with corresponding safe environment parameter values around corresponding components, and obtaining environment parameter value difference value sets at the monitoring point positions of all the components on the outdoor substation
Expressed as the comparison difference value of the x-th environmental parameter value at the monitoring point position of the j-th component on the ith device in the outdoor substation and the corresponding safe environmental parameter value around the corresponding component, wherein x is x1,x2,x3,x4,x5Sending the environment parameter value difference value sets at the monitoring point positions of all the components on the outdoor substation to an analysis server;
the image acquisition module is usedCollecting images of all equipment in the outdoor transformer substation, counting all-directional images of all equipment in the outdoor transformer substation, and forming an all-directional image set P (P) of all equipment in the outdoor transformer substation1,p2,...,pi,...,pn)，piThe all-directional image set of each device in the outdoor substation is sent to the image processing module;
the image processing module is used for receiving the omnibearing image set of each device in the outdoor transformer substation sent by the image acquisition module, processing the received omnibearing images of each device in the outdoor transformer substation by adopting an image processing technology, counting the processed omnibearing images of each device in the outdoor transformer substation, and sending the processed omnibearing images of each device in the outdoor transformer substation to the foreign matter area acquisition module;
the foreign matter area acquisition module is used for receiving the processed omnidirectional images of the equipment in the outdoor substation sent by the image processing module, acquiring the foreign matter areas in the omnidirectional images of the equipment in the outdoor substation, counting the foreign matter areas in the omnidirectional images of the equipment in the outdoor substation, and forming an omnidirectional image foreign matter area set S (S) of the equipment in the outdoor substation1,s2,...,si,...,sn)，siThe area of the foreign matter in the omnibearing image of the ith equipment in the outdoor substation is represented, and the area set of the foreign matter in the omnibearing image of each equipment in the outdoor substation is sent to an area ratio analysis module;
the area ratio analysis module is used for receiving the comprehensive image internal foreign matter area set of each device in the outdoor transformer substation sent by the foreign matter area acquisition module, extracting the comprehensive image area of each device in the outdoor transformer substation in a standard form stored in the storage database, calculating the comprehensive image internal foreign matter area ratio of each device in the outdoor transformer substation, counting the comprehensive image internal foreign matter area ratio of each device in the outdoor transformer substation, and sending the comprehensive image internal foreign matter area ratio of each device in the outdoor transformer substation to the analysis server;
the analysis server is used for receiving the value difference set of each environmental parameter at the monitoring point position of each part on each device in the outdoor substation sent by the environmental parameter analysis module, receiving the area proportion of foreign matters in the omnibearing image of each device in the outdoor substation sent by the area proportion analysis module, extracting the weight influence coefficient corresponding to each environmental parameter around the device in the outdoor substation stored in the storage database and the safety influence coefficient of the foreign matter area on the device in the outdoor substation, calculating the operation environment safety influence coefficient of each device in the outdoor substation, counting the operation environment safety influence coefficient of each device in the outdoor substation, and sending the operation environment safety influence coefficient of each device in the outdoor substation to the cloud management center;
the cloud management center is used for receiving the operation environment safety influence coefficients of the equipment in the outdoor transformer substation sent by the analysis server, comparing the operation environment safety influence coefficients of the equipment in the outdoor transformer substation with a preset safety influence coefficient threshold value, and if the operation environment safety influence coefficient of certain equipment in the outdoor transformer substation is larger than the preset safety influence coefficient threshold value, controlling the equipment in the outdoor transformer substation to stop operating and sending out corresponding early warning prompt;
the storage database is used for storing the values of all the safety environment parameters around each part on the equipment of the outdoor transformer substation, storing the standard form of the omnidirectional image area s mark of the equipment in the outdoor transformer substation, and storing the weight influence coefficients corresponding to all the environment parameters around the equipment in the outdoor transformer substation and the safety influence coefficients mu of the foreign matter area on the equipment in the outdoor transformer substation.
Furthermore, the monitoring point arrangement module is used for arranging the monitoring points on each part of each device in the outdoor substation in an evenly distributed mode, and the monitoring points correspond to each part of each device in the outdoor substation one by one.
Further, the environmental parameter detection module comprises a temperature detection unit, a humidity detection unit, a rainfall detection unit, a snow accumulation detection unit and a wind power detection unit.
Furthermore, the temperature detection unit is a temperature sensor and is used for detecting the temperature of the monitoring point positions of each component on each device in the outdoor substation in real time, the humidity detection unit is a humidity sensor and is used for detecting the humidity of the monitoring point positions of each component on each device in the outdoor substation in real time, the rainfall detection unit is a rainfall detector and is used for detecting the rainfall of the monitoring point positions of each component on each device in the outdoor substation in real time, the snow accumulation detection unit is a weight sensor and is used for detecting the snow accumulation of the monitoring point positions of each component on each device in the outdoor substation in real time, and the wind detection unit is a wind power detector and is used for detecting the wind power value of each component on each device in the outdoor substation in real time.
Furthermore, the image acquisition module comprises a high-definition camera, wherein the high-definition camera is arranged on the remotely-controllable moving trolley, and is used for carrying out all-dimensional shooting on each device in the outdoor transformer substation by controlling the remotely-controllable moving trolley, acquiring all-dimensional sub-images of each device in the outdoor transformer substation, and integrating all-dimensional sub-images of each device in the outdoor transformer substation to obtain all-dimensional images of each device in the outdoor transformer substation.
Furthermore, the image processing technology adopted in the image processing module is to perform image segmentation on the omnidirectional image of each device in the outdoor substation, select the minimum area image respectively wrapping each device in the outdoor substation, remove the image outside the minimum area wrapping each device, reinforce the high-frequency component of the minimum area image respectively wrapping each device in the outdoor substation, perform normalization processing on the minimum area image respectively wrapping each device in the outdoor substation, and convert the minimum area image into the omnidirectional image of each device in a fixed standard form.
Further, the calculation formula of the area ratio of the foreign matters in the omnibearing image of each device in the outdoor substation is
kiExpressed as the area ratio of foreign matters in the omni-directional image of the ith equipment in the outdoor substation, siExpressed as the area of the foreign object in the omni-directional image of the ith device in the outdoor substation, sSign boardExpressed as a standardThe form of the omnidirectional image area of the equipment in the outdoor substation.
Further, the operating environment safety influence coefficient calculation formula of each device in the outdoor substation is
ξiExpressed as the operating environment safety impact coefficient, lambda, of the ith device in the outdoor substationxExpressed as a weight influence coefficient, x, corresponding to the xth environmental parameter around the equipment in the outdoor substation1,x2,x3,x4,x5Respectively expressed as temperature, humidity, rainfall, snowfall and wind power values in each environmental parameter,
is expressed as the comparison difference value, W ', of the x-th environmental parameter value at the monitoring point position of the j-th component on the ith equipment in the outdoor substation and the corresponding safe environmental parameter value around the corresponding component'jx is the x safe environment parameter value around the j component on the outdoor substation equipment, e is a natural number equal to 2.718, mu is the safety influence coefficient of the foreign matter area on the outdoor substation equipment, and k isiThe area ratio of the foreign matters in the omnibearing image of the ith equipment in the outdoor substation is shown.
Has the advantages that:
(1) the intelligent monitoring and management system for the running environment safety of the power system transformer substation based on machine vision and data analysis, which is provided by the invention, lays a foundation for later detection of relevant data of each device in the outdoor transformer substation by numbering the positions of each device in the outdoor transformer substation, arranges a plurality of monitoring points on each device in the outdoor transformer substation, respectively detects the values of each environmental parameter at the monitoring point positions of each device in the outdoor transformer substation, compares the values to obtain the difference value of each environmental parameter at the monitoring point positions of each device in the outdoor transformer substation, thereby saving a great amount of human resources, avoiding the problems of low timeliness and effectiveness of detected data, improving the accuracy and reliability of the detected data, simultaneously acquiring all-directional images of each device in the outdoor transformer substation, and performing image processing, thereby reducing the time and the task amount required by image analysis, the method comprises the steps of obtaining the area of foreign matters in the omnibearing image of each device in the outdoor transformer substation, and analyzing the area ratio of the foreign matters in the omnibearing image of each device in the outdoor transformer substation, so that the real-time performance of monitoring data is improved, the function of remote online monitoring of the operating environment safety of the outdoor transformer substation is realized, and reliable reference data is provided for calculating the operating environment safety influence coefficient of each device in the outdoor transformer substation in a later stage.
(2) According to the invention, the operation environment safety influence coefficient of each device in the outdoor transformer substation is calculated through the analysis server, the operation environment safety influence coefficient of each device is compared with the preset threshold value, if the operation environment safety influence coefficient of a certain device is greater than the preset threshold value, the operation is stopped, and a corresponding early warning prompt is sent out, so that the operation reliability of the devices in the outdoor transformer substation is improved, the operation environment safety of the devices in the outdoor transformer substation is ensured, and the power consumption requirements of people are further met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the intelligent monitoring and management system for the operating environment safety of the power system transformer substation based on machine vision and data analysis includes an equipment numbering module, a monitoring point arrangement module, an environmental parameter detection module, an environmental parameter analysis module, an image acquisition module, an image processing module, a foreign object area acquisition module, an area ratio analysis module, an analysis server, a cloud management center, and a storage database.
The monitoring point distribution module is respectively connected with the equipment numbering module and the environmental parameter detection module, the environmental parameter analysis module is respectively connected with the environmental parameter detection module, the analysis server and the storage database, the image processing module is respectively connected with the image acquisition module and the foreign matter area acquisition module, the area ratio analysis module is respectively connected with the foreign matter area acquisition module, the analysis server and the storage database, and the analysis server is respectively connected with the cloud management center and the storage database.
The device numbering module is used for numbering devices in the outdoor transformer substation, sequentially numbering the positions of the devices in the outdoor transformer substation according to a set sequence, wherein the position numbers of the devices in the outdoor transformer substation are respectively 1,2, 1, i, n, a foundation is laid for later detection and detection of relevant data of the devices in the outdoor transformer substation, and the position numbers of the devices in the outdoor transformer substation are sent to the monitoring point laying module.
The monitoring point arrangement module is used for receiving the position numbers of the equipment in the outdoor substation sent by the equipment number module, arranging monitoring points on the equipment in the outdoor substation, respectively arranging the monitoring points on the equipment in the outdoor substation in an evenly distributed mode, corresponding the monitoring points to the equipment in the outdoor substation one by one, sequentially numbering the monitoring points on the equipment in the outdoor substation according to the arrangement sequence, counting the monitoring point position numbers of the equipment in the outdoor substation, and forming a monitoring point position number set A of the equipment in the outdoor substationiB(aib1,aib2,...,aibj,...,aibm)，aibjDenoted as outdoor substationAnd the monitoring point position numbers of the jth component on the ith equipment send the monitoring point position number sets of the components on the equipment in the outdoor substation to the environmental parameter detection module.
The environment parameter detection module comprises a temperature detection unit, a humidity detection unit, a rainfall detection unit, a snow accumulation detection unit and a wind power detection unit, and is used for receiving a monitoring point position number set of each component on each device in the outdoor substation sent by the monitoring point arrangement module, the temperature detection unit is a temperature sensor and is used for detecting the temperature of the monitoring point position of each component on each device in the outdoor substation in real time, the humidity detection unit is a humidity sensor and is used for detecting the humidity of the monitoring point position of each component on each device in the outdoor substation in real time, the rainfall detection unit is a rainfall detector and is used for detecting the rainfall of the monitoring point position of each component on each device in the outdoor substation in real time, the snow accumulation detection unit is a weight sensor and is used for detecting the snow accumulation of the monitoring point position of each component on each device in the outdoor substation in real time, the wind power detection unit is a wind power detector and is used for detecting wind power values at monitoring point positions of all the components on all the equipment in the outdoor substation in real time, counting all the environmental parameter values at the monitoring point positions of all the components on all the equipment in the outdoor substation, and forming an environment parameter value set at the monitoring point positions of all the components on all the equipment in the outdoor substation
The value of the x-th environmental parameter at the monitoring point position of the j-th component on the ith device in the outdoor substation is expressed, wherein x is x1,x2,x3,x4,x5，x1,x2,x3,x4,x5Respectively representing the temperature, the humidity, the rainfall, the snowfall and the wind power value in each environmental parameter, and sending the value set of each environmental parameter at the monitoring point position of each part on each device in the outdoor substation to the environmental parametersAnd an analysis module.
The environment parameter analysis module is used for receiving environment parameter value sets at monitoring point positions of all the components on the outdoor substation, which are sent by the environment parameter detection module, extracting and storing safe environment parameter values around all the components on the outdoor substation, which are stored in the database, comparing the environment parameter values at the monitoring point positions of all the components on the outdoor substation with corresponding safe environment parameter values around corresponding components, and obtaining environment parameter value difference value sets at the monitoring point positions of all the components on the outdoor substation
Expressed as the comparison difference value of the x-th environmental parameter value at the monitoring point position of the j-th component on the ith device in the outdoor substation and the corresponding safe environmental parameter value around the corresponding component, wherein x is x1,x2,x3,x4,x5And the environment parameter value difference value sets at the monitoring point positions of all the parts on the equipment in the outdoor transformer substation are sent to the analysis server, so that a large amount of human resources are saved, the problems of low timeliness and effectiveness of detection data are avoided, and the accuracy and reliability of the detection data are improved.
The image acquisition module comprises a high-definition camera, wherein the high-definition camera is arranged on the remote-control movable trolley and is used for acquiring images of all equipment in the outdoor transformer substation, all-dimensional shooting is carried out on all the equipment in the outdoor transformer substation by controlling the remote-control movable trolley, all-dimensional sub-images of all the equipment in the outdoor transformer substation are acquired, all-dimensional sub-images of all the equipment in the outdoor transformer substation are integrated to obtain all-dimensional images of all the equipment in the outdoor transformer substation, all-dimensional images of all the equipment in the outdoor transformer substation are counted, and an all-dimensional image set P (P) of all the equipment in the outdoor transformer substation is formed1,p2,...,pi,...,pn)，piDenoted as ith in outdoor substationAnd sending the omnidirectional image set of each device in the outdoor substation to the image processing module by the omnidirectional image of the device.
The image processing module is used for receiving the omnidirectional image set of each device in the outdoor transformer substation sent by the image acquisition module, carrying out image segmentation on the received omnidirectional image of each device in the outdoor transformer substation by adopting an image processing technology, selecting the minimum area image respectively wrapping each device in the outdoor transformer substation, removing the images outside the minimum area wrapping each device, and strengthening the high-frequency component of the minimum area image respectively wrapping each device in the outdoor transformer substation, and the images of the minimum areas respectively wrapping the equipment in the outdoor transformer substation are normalized and converted into the omnibearing images of the equipment in a fixed standard form, therefore, the time and the task amount required by image analysis are reduced, the processed omnibearing images of all the equipment in the outdoor transformer substation are counted, and the processed omnibearing images of all the equipment in the outdoor transformer substation are sent to the foreign matter area acquisition module.
The foreign matter area acquisition module is used for receiving the processed omnidirectional images of the equipment in the outdoor substation sent by the image processing module, acquiring the foreign matter areas in the omnidirectional images of the equipment in the outdoor substation, counting the foreign matter areas in the omnidirectional images of the equipment in the outdoor substation, and forming an omnidirectional image foreign matter area set S (S) of the equipment in the outdoor substation1,s2,...,si,...,sn)，siAnd the area of the foreign matter in the omnibearing image of the ith equipment in the outdoor substation is represented, and the area set of the foreign matter in the omnibearing image of each equipment in the outdoor substation is sent to the area ratio analysis module.
The area ratio analysis module is used for receiving the foreign matter area set in the omnibearing image of each device in the outdoor transformer substation sent by the foreign matter area acquisition module, extracting the omnibearing image area of the device in the outdoor transformer substation in the standard form stored in the storage database, and calculating the foreign matter area ratio in the omnibearing image of each device in the outdoor transformer substation
kiExpressed as the area ratio of foreign matters in the omni-directional image of the ith equipment in the outdoor substation, siExpressed as the area of the foreign object in the omni-directional image of the ith device in the outdoor substation, sSign boardThe method comprises the steps of representing the all-dimensional image area of equipment in the outdoor transformer substation in a standard form, counting the all-dimensional image internal foreign matter area ratio of each equipment in the outdoor transformer substation, and sending the all-dimensional image internal foreign matter area ratio of each equipment in the outdoor transformer substation to an analysis server, so that the real-time performance of monitoring data is improved, the function of safe remote online monitoring of the operating environment of the outdoor transformer substation is realized, and reliable reference data is provided for calculating the operating environment safety influence coefficient of each equipment in the outdoor transformer substation in a later stage.
The analysis server is used for receiving the value difference value sets of the environmental parameters at the monitoring point positions of all the components on the outdoor substation, which are sent by the environmental parameter analysis module, receiving the area proportion of foreign matters in the omnibearing image of all the components in the outdoor substation, which is sent by the area proportion analysis module, extracting the weight influence coefficients corresponding to all the environmental parameters around the components in the outdoor substation and the safety influence coefficients of the foreign matters on the components in the outdoor substation, which are stored in the storage database, and calculating the operation environment safety influence coefficients of all the components in the outdoor substation
ξiExpressed as the operating environment safety impact coefficient, lambda, of the ith device in the outdoor substationxExpressed as a weight influence coefficient, x, corresponding to the xth environmental parameter around the equipment in the outdoor substation1,x2,x3,x4,x5Respectively expressed as temperature, humidity, rainfall, snowfall and wind power values in each environmental parameter,
is expressed as the comparison difference value, W ', of the x-th environmental parameter value at the monitoring point position of the j-th component on the ith equipment in the outdoor substation and the corresponding safe environmental parameter value around the corresponding component'jx is expressed as outdoorThe x safe environment parameter value around the j component on the equipment of the substation, e is a natural number and is equal to 2.718, mu is a safety influence coefficient of the foreign matter area on the equipment in the outdoor substation, and k isiAnd the area ratio of foreign matters in the omnibearing image of the ith equipment in the outdoor substation is expressed, the operation environment safety influence coefficient of each equipment in the outdoor substation is counted, and the operation environment safety influence coefficient of each equipment in the outdoor substation is sent to the cloud management center.
The cloud management center is used for receiving the operation environment safety influence coefficients of the equipment in the outdoor transformer substation sent by the analysis server, comparing the operation environment safety influence coefficients of the equipment in the outdoor transformer substation with a preset safety influence coefficient threshold value, and if the operation environment safety influence coefficient of certain equipment in the outdoor transformer substation is larger than the preset safety influence coefficient threshold value, controlling the equipment in the outdoor transformer substation to stop running and sending out corresponding early warning prompts, so that the reliability of equipment running in the outdoor transformer substation is improved, the operation environment safety of the equipment in the outdoor transformer substation is guaranteed, and the power consumption requirements of people are met.
The storage database is used for storing the values of all the safety environment parameters around each part on the equipment of the outdoor transformer substation, storing the standard form of the omnidirectional image area s mark of the equipment in the outdoor transformer substation, and storing the weight influence coefficients corresponding to all the environment parameters around the equipment in the outdoor transformer substation and the safety influence coefficients mu of the foreign matter area on the equipment in the outdoor transformer substation.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.
Claims (5)
1. Machine vision and data analysis based intelligent monitoring and management system for operating environment safety of power system transformer substation is characterized in that: the system comprises an equipment numbering module, a monitoring point arrangement module, an environmental parameter detection module, an environmental parameter analysis module, an image acquisition module, an image processing module, a foreign matter area acquisition module, an area ratio analysis module, an analysis server, a cloud management center and a storage database;
the monitoring point distribution module is respectively connected with the equipment numbering module and the environmental parameter detection module, the environmental parameter analysis module is respectively connected with the environmental parameter detection module, the analysis server and the storage database, the image processing module is respectively connected with the image acquisition module and the foreign matter area acquisition module, the area ratio analysis module is respectively connected with the foreign matter area acquisition module, the analysis server and the storage database, and the analysis server is respectively connected with the cloud management center and the storage database;
the device numbering module is used for numbering devices in the outdoor transformer substation, sequentially numbering the positions of the devices in the outdoor transformer substation according to a set sequence, wherein the position numbers of the devices in the outdoor transformer substation are respectively 1,2, 1, i, n, and sending the position numbers of the devices in the outdoor transformer substation to the monitoring point arrangement module;
the monitoring point arrangement module is used for receiving the position numbers of the equipment in the outdoor substation sent by the equipment number module, arranging the monitoring points on the equipment in the outdoor substation, sequentially carrying out position numbering on the monitoring points of the equipment in the outdoor substation according to the arrangement sequence, counting the monitoring point position numbers of the equipment in the outdoor substation, and forming a monitoring point position number set A of the equipment in the outdoor substationiB(aib1,aib2,...,aibj,...,aibm)，aibjThe monitoring point position number is expressed as the monitoring point position number of the jth component on the ith equipment in the outdoor substation, and the monitoring point position number set of each component on each equipment in the outdoor substation is sent to the environment parameter detection module;
the environment parameter detection module is used for receiving the monitoring point position number sets of all the parts on the equipment in the outdoor transformer substation sent by the monitoring point arrangement module and respectively detecting all the parts on the equipment in the outdoor transformer substationThe temperature, the humidity, the rainfall, the snow accumulation and the wind power value of the monitoring point position of the piece are counted, and the environmental parameter values of the monitoring point positions of all the parts on all the equipment in the outdoor transformer substation are counted to form an environmental parameter value set of the monitoring point positions of all the parts on all the equipment in the outdoor transformer substation
The value of the x-th environmental parameter at the monitoring point position of the j-th component on the ith device in the outdoor substation is expressed, wherein x is x1,x2,x3,x4,x5，x1,x2,x3,x4,x5Respectively representing the temperature, the humidity, the rainfall, the snow accumulation and the wind power value in each environmental parameter, and sending each environmental parameter value set at the monitoring point position of each part on each device in the outdoor substation to an environmental parameter analysis module;
the environment parameter analysis module is used for receiving environment parameter value sets at monitoring point positions of all the components on the outdoor substation, which are sent by the environment parameter detection module, extracting and storing safe environment parameter values around all the components on the outdoor substation, which are stored in the database, comparing the environment parameter values at the monitoring point positions of all the components on the outdoor substation with corresponding safe environment parameter values around corresponding components, and obtaining environment parameter value difference value sets at the monitoring point positions of all the components on the outdoor substation
Expressed as the comparison difference value of the x-th environmental parameter value at the monitoring point position of the j-th component on the ith device in the outdoor substation and the corresponding safe environmental parameter value around the corresponding component, wherein x is x1,x2,x3,x4,x5Sending the environment parameter value difference value sets at the monitoring point positions of all the components on the outdoor substation to an analysis server;
the image acquisition module is used for acquiring images of all equipment in the outdoor transformer substation, counting all-directional images of all the equipment in the outdoor transformer substation and forming an all-directional image set P (P) of all the equipment in the outdoor transformer substation1,p2,...,pi,...,pn)，piThe all-directional image set of each device in the outdoor substation is sent to the image processing module;
the image processing module is used for receiving the omnibearing image set of each device in the outdoor transformer substation sent by the image acquisition module, processing the received omnibearing images of each device in the outdoor transformer substation by adopting an image processing technology, counting the processed omnibearing images of each device in the outdoor transformer substation, and sending the processed omnibearing images of each device in the outdoor transformer substation to the foreign matter area acquisition module;
the foreign matter area acquisition module is used for receiving the processed omnidirectional images of the equipment in the outdoor substation sent by the image processing module, acquiring the foreign matter areas in the omnidirectional images of the equipment in the outdoor substation, counting the foreign matter areas in the omnidirectional images of the equipment in the outdoor substation, and forming an omnidirectional image foreign matter area set S (S) of the equipment in the outdoor substation1,s2,...,si,...,sn)，siThe area of the foreign matter in the omnibearing image of the ith equipment in the outdoor substation is represented, and the area set of the foreign matter in the omnibearing image of each equipment in the outdoor substation is sent to an area ratio analysis module;
the area ratio analysis module is used for receiving the comprehensive image internal foreign matter area set of each device in the outdoor transformer substation sent by the foreign matter area acquisition module, extracting the comprehensive image area of each device in the outdoor transformer substation in a standard form stored in the storage database, calculating the comprehensive image internal foreign matter area ratio of each device in the outdoor transformer substation, counting the comprehensive image internal foreign matter area ratio of each device in the outdoor transformer substation, and sending the comprehensive image internal foreign matter area ratio of each device in the outdoor transformer substation to the analysis server;
the analysis server is used for receiving the value difference set of each environmental parameter at the monitoring point position of each part on each device in the outdoor substation sent by the environmental parameter analysis module, receiving the area proportion of foreign matters in the omnibearing image of each device in the outdoor substation sent by the area proportion analysis module, extracting the weight influence coefficient corresponding to each environmental parameter around the device in the outdoor substation stored in the storage database and the safety influence coefficient of the foreign matter area on the device in the outdoor substation, calculating the operation environment safety influence coefficient of each device in the outdoor substation, counting the operation environment safety influence coefficient of each device in the outdoor substation, and sending the operation environment safety influence coefficient of each device in the outdoor substation to the cloud management center;
the cloud management center is used for receiving the operation environment safety influence coefficients of the equipment in the outdoor transformer substation sent by the analysis server, comparing the operation environment safety influence coefficients of the equipment in the outdoor transformer substation with a preset safety influence coefficient threshold value, and if the operation environment safety influence coefficient of certain equipment in the outdoor transformer substation is larger than the preset safety influence coefficient threshold value, controlling the equipment in the outdoor transformer substation to stop operating and sending out corresponding early warning prompt;
the storage database is used for storing various safe environment parameter values around each part on the equipment of the outdoor transformer substation and storing all-directional image area s of the equipment in the outdoor transformer substation in a standard formSign boardAnd storing the weight influence coefficients corresponding to the environmental parameters around the equipment in the outdoor transformer substation and the safety influence coefficients mu of the foreign matter area on the equipment in the outdoor transformer substation;
the calculation formula of the area ratio of the foreign matters in the omnibearing image of each device in the outdoor substation is
kiShown as an omni-directional diagram of the ith device in an outdoor substationArea ratio of foreign matter in image, siExpressed as the area of the foreign object in the omni-directional image of the ith device in the outdoor substation, sSign boardExpressing the omnibearing image area of equipment in the outdoor substation in a standard form;
the calculation formula of the operation environment safety influence coefficient of each device in the outdoor transformer substation is
ξiExpressed as the operating environment safety impact coefficient, lambda, of the ith device in the outdoor substationxExpressed as a weight influence coefficient, x, corresponding to the xth environmental parameter around the equipment in the outdoor substation1,x2,x3,x4,x5Respectively expressed as temperature, humidity, rainfall, snowfall and wind power values in each environmental parameter,
is expressed as the comparison difference value, W ', of the x-th environmental parameter value at the monitoring point position of the j-th component on the ith equipment in the outdoor substation and the corresponding safe environmental parameter value around the corresponding component'jx is the x safe environment parameter value around the j component on the outdoor substation equipment, e is a natural number equal to 2.718, mu is the safety influence coefficient of the foreign matter area on the outdoor substation equipment, and k isiThe area ratio of the foreign matters in the omnibearing image of the ith equipment in the outdoor substation is shown.
2. The machine vision and data analysis based intelligent monitoring and management system for safety of operating environment of power system transformer substation according to claim 1, characterized in that: the monitoring point arrangement module is used for arranging a plurality of monitoring points on each part of each device in the outdoor transformer substation in an evenly distributed mode, and the monitoring points correspond to each part of each device in the outdoor transformer substation one by one.
3. The machine vision and data analysis based intelligent monitoring and management system for safety of operating environment of power system transformer substation according to claim 1, characterized in that: the temperature detection unit is a temperature sensor and is used for detecting the temperature of the monitoring point positions of all the components on all the equipment in the outdoor transformer substation in real time, the humidity detection unit is a humidity sensor and is used for detecting the humidity of the monitoring point positions of all the components on all the equipment in the outdoor transformer substation in real time, the rainfall detection unit is a rainfall detector and is used for detecting the rainfall of the monitoring point positions of all the components on all the equipment in the outdoor transformer substation in real time, the snow accumulation detection unit is a weight sensor and is used for detecting the snow accumulation of the monitoring point positions of all the components on all the equipment in the outdoor transformer substation in real time, and the wind power detection unit is a wind power detector and is used for detecting the wind power value of the monitoring point positions of all the components on all the equipment in the outdoor transformer substation in real time.
4. The machine vision and data analysis based intelligent monitoring and management system for safety of operating environment of power system transformer substation according to claim 1, characterized in that: the image acquisition module comprises a high-definition camera, wherein the high-definition camera is arranged on the remotely-controllable moving trolley, and is used for carrying out all-dimensional shooting on each device in the outdoor transformer substation by controlling the remotely-controllable moving trolley, acquiring all-dimensional sub-images of each device in the outdoor transformer substation, integrating all-dimensional sub-images of each device in the outdoor transformer substation, and obtaining all-dimensional images of each device in the outdoor transformer substation.
5. The machine vision and data analysis based intelligent monitoring and management system for safety of operating environment of power system transformer substation according to claim 1, characterized in that: the image processing module adopts an image processing technology of carrying out image segmentation on all-dimensional images of all devices in the outdoor transformer substation, selecting minimum area images respectively wrapping all the devices in the outdoor transformer substation, removing images outside the minimum areas wrapping all the devices, strengthening high-frequency components of the minimum area images respectively wrapping all the devices in the outdoor transformer substation, carrying out normalization processing on the minimum area images respectively wrapping all the devices in the outdoor transformer substation, and converting the minimum area images into all-dimensional images of all the devices in a fixed standard form.
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Denomination of invention: Intelligent Monitoring and Management System for Safety of Power System Substation Operation Environment Based on Machine Vision and Data Analysis Granted publication date: 20220114 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Tianhe branch Pledgor: GUANGDONG LVAN INDUSTRY AND COMMERCE CO.,LTD. Registration number: Y2024980001239 |