CN110658208A - Hyperspectrum-based transformer substation insulator dirt accumulation online monitoring system - Google Patents
Hyperspectrum-based transformer substation insulator dirt accumulation online monitoring system Download PDFInfo
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- CN110658208A CN110658208A CN201911096658.6A CN201911096658A CN110658208A CN 110658208 A CN110658208 A CN 110658208A CN 201911096658 A CN201911096658 A CN 201911096658A CN 110658208 A CN110658208 A CN 110658208A
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Abstract
The application provides a hyperspectral-based transformer substation insulator pollutant accumulation online monitoring system, a multispectral heavy-duty pan-tilt camera acquires an insulator video image and a surface pollutant accumulation hyperspectral image in real time, and a video image processing module preprocesses the visible light video image and the hyperspectral image to obtain a real-time insulator pollutant accumulation video image; the standard module compares the standard insulator unit with the real-time pollution accumulation video image of the insulator to obtain the level of the pollution accumulation degree of the insulator; the communication module sends the insulator real-time pollution accumulation video image and the insulator pollution accumulation degree grade to the switch; displaying the real-time pollution accumulation video image of the insulator and the grade information of the pollution accumulation degree of the insulator by a monitoring master station; the mobile terminal receives the early warning of the accumulated pollution of the transformer substation with the accumulated pollution degree being serious accumulated pollution, and displays the information of the insulator with the serious accumulated pollution; therefore, the method and the device can monitor the surface pollution accumulation condition of the pillar insulator of the transformer substation on line in real time.
Description
Technical Field
The application relates to the technical field of power equipment monitoring, in particular to a hyperspectral transformer substation insulator dirt accumulation online monitoring system.
Background
The high-voltage direct-current transmission line has the advantages of long-distance large-capacity transmission and the like, and becomes an important part in the current power development, along with the rapid development of industry in recent years, the environmental pollution is increasingly severe, the number of severe weather days in various regions tends to increase, dirt particles are more easily deposited on the surface of the transmission line insulator to form a natural dirt-accumulating insulator, and are affected with damp in humid weather environments such as fog, hair rain and the like, water-soluble substances in the dirt are dissolved in water to form a conductive water film, so that the conductivity of the surface of the insulator is increased, further the leakage current is increased to cause local heating, finally, a dirt flashover accident is developed, even a large-area power failure is caused, and the safe operation of a power system is seriously affected.
The surface electric field distribution is uneven when the pollution on the surface of the natural pollutant-accumulating insulator is uneven, and the pollution flashover is easier to be caused in severe weather, so that the pollutant-accumulating characteristic on the surface of the insulator is particularly important to monitor in time, the transformer substation is mainly periodically inspected and periodically overhauled in a manual mode according to the previous work experience, because the real-time monitoring is not carried out, the workload is large, a large amount of manpower and material resources are consumed, meanwhile, the working efficiency is low, although the pollution hidden danger can be eliminated in the inspection and overhaul period, the inspection and overhaul intermittence period is long, especially the current majority of transformer substations cannot timely master the change of the operation condition of the transformer substation insulators for unattended transformer substations, and before the periodic inspection is started, the risk and hidden danger of pollution flashover accidents exist.
In order to solve the above situation, the hyperspectral transformer substation insulator accumulated pollution online monitoring system can be used for solving the problem of online detection of transformer substation post insulator accumulated pollution in a limited way.
Disclosure of Invention
The application provides a transformer substation insulator dirt accumulation online monitoring system based on hyperspectrum to solve the transformer substation post insulator dirt accumulation online detection problem.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
the application provides a pair of online monitoring system of long-pending dirt of transformer substation's insulator based on hyperspectrum includes:
the multispectral heavy-load pan-tilt camera is used for acquiring an insulator video image and a surface contamination accumulation hyperspectral image in real time;
the monitoring substation is used for monitoring and displaying the pollution accumulation condition of the insulator;
the monitoring master station is used for displaying the monitoring information of the monitoring substation;
the switch is used for data communication between the monitoring substation and the monitoring main station;
the mobile terminal is used for receiving the early warning of the serious pollution accumulation of the transformer substation and displaying the insulator information of the serious pollution accumulation;
the mobile terminal receives the early warning of the accumulated pollution of the transformer substation with the accumulated pollution degree being serious accumulated pollution, and displays the information of the insulator with the serious accumulated pollution; therefore, the hyperspectral transformer substation insulator accumulated-dirt online monitoring system can monitor the surface accumulated-dirt condition of the transformer substation support insulator in real time on line.
Wherein:
the multispectral heavy-load pan-tilt camera comprises a visible light camera, a hyperspectral camera and an integrated 360-degree omnibearing heavy-load variable-speed pan-tilt;
the monitoring substation comprises a main control unit, a video image processing module, a standard module, a display module and a communication module.
Optionally, the monitoring substation further comprises a power supply module.
Optionally, the monitoring substation further includes a storage module.
Optionally, the power module is configured to provide a power source for the multispectral heavy-duty pan-tilt camera and the monitoring substation.
Optionally, the storage module is configured to store the real-time contamination accumulation video image information of the insulator.
Optionally, the multispectral heavy-load pan-tilt camera is in communication connection with the monitoring substation through a transmission cable;
the monitoring substation is in communication connection with the switch through a transmission cable;
one end of the switch is in communication connection with the monitoring master station through a transmission cable, and the other end of the switch is in communication connection with the mobile terminal (5) through a transmission cable.
Optionally, the visible light camera is configured to obtain a visible light video image of the insulator;
the hyperspectral camera is used for acquiring a hyperspectral image of the surface contamination of the insulator;
the integrated 360-degree omnibearing heavy-load variable-speed pan-tilt is used for rotating the multispectral heavy-load pan-tilt camera by 360 degrees, and therefore the acquired insulator surface pollution accumulation information is more comprehensive, and no leakage or careless leakage exists.
Optionally, the main control unit is configured to send a control signal to the video image processing module, the standard module, the display module, and the communication module;
the video image processing module is used for preprocessing the visible light video image and the hyperspectral image to obtain an insulator real-time pollution accumulation video image;
the standard module is used for comparing an insulator standard unit with the insulator real-time pollution accumulation video image to obtain the grade of the degree of the pollution accumulation of the insulator, wherein the standard unit is a database of surface pollution accumulation images of different degrees of the insulator;
the display module is used for displaying the real-time pollution accumulation video image of the insulator and the grade of the pollution accumulation degree of the insulator;
and the communication module is used for sending the insulator real-time pollution accumulation video image and the insulator pollution accumulation degree grade to the switch.
Optionally, the insulator contamination level includes 10 levels, and the 10 levels include:
normal dirt accumulation is performed in grade 1-4, dirt accumulation early warning is performed in grade 5-7, and serious dirt accumulation is performed in grade 8-10.
Optionally, the video image processing module, the standard module, the display module and the communication module are sequentially in communication connection.
Compared with the prior art, the beneficial effect of this application is:
according to the technical scheme, in the hyperspectral-based transformer substation insulator pollutant accumulation online monitoring system, an insulator video image and a surface pollutant accumulation hyperspectral image are obtained in real time through a multispectral heavy-duty pan-tilt camera, and the visible light video image and the hyperspectral image are preprocessed through a video image processing module to obtain a real-time insulator pollutant accumulation video image; comparing an insulator standard unit with the insulator real-time dirt accumulation video image through a standard module to obtain the grade of the degree of the dirt accumulation of the insulator, wherein the standard unit is a database of surface dirt accumulation images of different degrees of the insulator; sending the insulator real-time pollution accumulation video image and the insulator pollution accumulation degree grade to the switch through a communication module; the monitoring master station displays real-time insulator pollution accumulation video images and insulator pollution accumulation degree grade information, and the mobile terminal receives transformer substation pollution accumulation early warning of serious pollution accumulation degree and displays insulator information of serious pollution accumulation; therefore, the hyperspectral transformer substation insulator accumulated dirt online monitoring system can monitor the surface accumulated dirt condition of the transformer substation support insulator in real time on line, and then timely treat the accumulated dirt to reduce the occurrence of pollution flashover accidents, and guarantee the safe operation of a power system.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a hyperspectral-based transformer substation insulator contamination accumulation online monitoring system according to an embodiment of the invention.
Wherein:
the system comprises a 1-multispectral heavy-load tripod head camera, a 2-monitoring substation, a 3-monitoring main station, a 4-switch, a 5-mobile terminal, a 11-visible light camera, a 12-hyperspectral camera, a 13-integrated 360-degree omnibearing heavy-load variable-speed tripod head, a 21-main control unit, a 22-video image processing module, a 23-standard module, a 24-display module, a 25-communication module, a 26-power module and a 27-storage module.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all 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 application.
Referring to the attached drawing 1, fig. 1 shows a schematic structural diagram of a hyperspectral-based transformer substation insulator contamination accumulation online monitoring system provided by an embodiment of the invention. The hyperspectral transformer substation insulator pollutant accumulation online monitoring system provided by the embodiment of the application is described below with reference to the attached drawing 1.
The application provides a pair of online monitoring system of insulator long-pending dirt of transformer substation based on hyperspectrum, as shown in fig. 1, include:
the multispectral heavy-load pan-tilt camera 1 is used for acquiring an insulator video image and a surface contamination accumulation hyperspectral image in real time;
the monitoring substation 2 is used for monitoring and displaying the pollution accumulation condition of the insulator;
the monitoring master station 3 is used for displaying the monitoring information of the monitoring substation 2;
the switch 4 is used for data communication between the monitoring substation 2 and the monitoring main station 3;
the mobile terminal 5 is used for receiving the early warning of the serious pollution accumulation of the transformer substation and displaying the insulator information of the serious pollution accumulation;
wherein:
the multispectral heavy-load pan-tilt camera 1 comprises a visible light camera 11, a hyperspectral camera 12 and an integrated 360-degree omnibearing heavy-load variable-speed pan-tilt 13; the visible light camera 11 is used for acquiring a visible light video image of the insulator;
the hyperspectral camera 12 is used for acquiring a hyperspectral image of the surface contamination of the insulator; the hyperspectral technology is an information extraction technology combining imaging with spectra, classification and identification of characteristics of a target object are realized through analysis of pixel spectral information, and the purpose of remote sensing and remote measurement is achieved based on characteristic information of a plurality of narrow bands. Any object with thermodynamic property above zero can emit, absorb and reflect electromagnetic radiation, electromagnetic waves penetrate through a medium and interact with the object, macroscopic characteristics and microscopic characteristics of a substance can be reflected, and the hyperspectral technology identifies physicochemical properties and states of the substance by analyzing spectral information of the substance. The hyperspectral image is divided into two parts, namely a spectral line and an object image, namely a filth spectral line graph and a filth optical eye view.
The integrated 360-degree omnibearing heavy-load variable-speed pan/tilt head 13 is used for rotating the multispectral heavy-load pan/tilt head camera 1 by 360 degrees.
And acquiring a hyperspectral image of the surface of the insulator, wherein the hyperspectral image of the surface of the insulator comprises a spectral diagram of the surface of the insulator and an optical eye view of the surface of the insulator. The method comprises the steps of acquiring a hyperspectral image of the surface of an insulator to be detected, wherein the acquired hyperspectral image is a pollution hyperspectral image of each pixel point of the image of the surface of the insulator, so that a result of the pollution state of the surface of the whole insulator can be obtained according to the pollution hyperspectral image of each pixel point.
The monitoring substation 2 comprises a main control unit 21, a video image processing module 22, a standard module 23, a display module 24 and a communication module 25; the video image processing module 22, the standard module 23, the display module 24 and the communication module 25 are sequentially connected in a communication manner.
The main control unit 21 is configured to send control signals to the video image processing module 22, the standard module 23, the display module 24, and the communication module 25;
the video image processing module 22 is configured to preprocess the visible light video image and the hyperspectral image to obtain a real-time insulator contamination accumulation video image; wherein the pre-processing comprises: black and white correction, multivariate scattering correction, smooth transformation and denoising treatment. Before creating a filth component identification model according to the filth spectral line diagram and the filth optical eye view, image enhancement processing can be carried out on the filth optical eye view, wherein the image enhancement method comprises but is not limited to image sharpening, gray level correction and gray level conversion, and aims to enhance high-frequency components of an image and enable a filth image in the image to be clearer.
The standard module 23 is configured to compare an insulator standard unit with the insulator real-time contamination deposition video image to obtain an insulator contamination deposition degree grade, where the standard unit is a database of surface contamination deposition images of insulators at different degrees; the insulator contamination accumulation degree grade comprises 10 grades, and the 10 grades comprise: normal dirt accumulation is performed in grade 1-4, dirt accumulation early warning is performed in grade 5-7, and serious dirt accumulation is performed in grade 8-10.
The display module 24 is used for displaying the real-time pollution accumulation video image of the insulator and the grade of the pollution accumulation degree of the insulator;
and the communication module 25 is used for sending the insulator real-time pollution accumulation video image and the insulator pollution accumulation degree grade to the switch 4.
Further, the monitoring substation 2 also comprises a power supply module 26; the power module 26 is used for providing power for the multispectral heavy-duty pan-tilt camera 1 and the monitoring substation 2.
Further, the monitoring substation 2 also comprises a storage module 27; the storage module 27 is used for storing the real-time contamination accumulation video image information of the insulator.
The multispectral heavy-load pan-tilt camera 1 is in communication connection with the monitoring substation 2 through a transmission cable; the monitoring substation 2 is in communication connection with the switch 4 through a transmission cable; one end of the switch 4 is in communication connection with the monitoring master station 3 through a transmission cable, and the other end of the switch is in communication connection with the mobile terminal 5 through a transmission cable.
According to the technical scheme, in the hyperspectral-based transformer substation insulator pollutant accumulation online monitoring system, an insulator video image and a surface pollutant accumulation hyperspectral image are obtained in real time through a multispectral heavy-duty pan-tilt camera, and the visible light video image and the hyperspectral image are preprocessed through a video image processing module to obtain a real-time insulator pollutant accumulation video image; comparing an insulator standard unit with the insulator real-time dirt accumulation video image through a standard module to obtain the grade of the degree of the dirt accumulation of the insulator, wherein the standard unit is a database of surface dirt accumulation images of different degrees of the insulator; sending the insulator real-time pollution accumulation video image and the insulator pollution accumulation degree grade to the switch through a communication module; the monitoring master station displays real-time insulator pollution accumulation video images and insulator pollution accumulation degree grade information, and the mobile terminal receives transformer substation pollution accumulation early warning of serious pollution accumulation degree and displays insulator information of serious pollution accumulation; therefore, the hyperspectral transformer substation insulator accumulated dirt online monitoring system can monitor the surface accumulated dirt condition of the transformer substation support insulator in real time on line, and then timely treat the accumulated dirt to reduce the occurrence of pollution flashover accidents, and guarantee the safe operation of a power system.
Since the above embodiments are all described by referring to and combining with other embodiments, the same portions are provided between different embodiments, and the same and similar portions between the various embodiments in this specification may be referred to each other. And will not be described in detail herein.
It is noted that, in this specification, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a circuit structure, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such circuit structure, article, or apparatus. Without further limitation, the presence of an element identified by the phrase "comprising an … …" does not exclude the presence of other like elements in a circuit structure, article or device comprising the element.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
Claims (10)
1. The utility model provides a transformer substation insulator long-pending dirty on-line monitoring system based on hyperspectrum which characterized in that includes:
the multispectral heavy-load pan-tilt camera (1) is used for acquiring an insulator video image and a surface contamination deposition hyperspectral image in real time;
the monitoring substation (2) is used for monitoring and displaying the pollution accumulation condition of the insulator;
the monitoring master station (3) is used for displaying monitoring information of the monitoring substation (2);
the switch (4) is used for data communication between the monitoring substation (2) and the monitoring main station (3);
the mobile terminal (5) is used for receiving the early warning of the serious pollution accumulation of the transformer substation and displaying the insulator information of the serious pollution accumulation;
wherein:
the multispectral heavy-load pan-tilt camera (1) comprises a visible light camera (11), a hyperspectral camera (12) and an integrated 360-degree omnibearing heavy-load variable-speed pan-tilt (13);
the monitoring substation (2) comprises a main control unit (21), a video image processing module (22), a standard module (23), a display module (24) and a communication module (25).
2. The hyperspectral based online monitoring system for insulator fouling of a substation according to claim 1, wherein the monitoring substation (2) further comprises a power module (26).
3. The hyperspectral based online monitoring system for insulator fouling of a substation according to claim 1, wherein the monitoring substation (2) further comprises a storage module (27).
4. The hyperspectral-based substation insulator fouling online monitoring system according to claim 2, wherein the power module (26) is used to provide power to the multispectral heavy-duty pan-tilt camera (1) and the monitoring substation (2).
5. The hyperspectral-based online monitoring system for insulator fouling of a substation according to claim 3, wherein the storage module (27) is used for storing real-time insulator fouling video image information.
6. The hyperspectral-based substation insulator fouling online monitoring system according to claim 1, wherein the multispectral heavy-duty pan-tilt camera (1) is in communication connection with the monitoring substation (2) through a transmission cable;
the monitoring substation (2) is in communication connection with the switch (4) through a transmission cable;
one end of the switch (4) is in communication connection with the monitoring main station (3) through a transmission cable, and the other end of the switch is in communication connection with the mobile terminal (5) through a transmission cable.
7. The hyperspectral based online monitoring system for insulator deposition of a substation according to claim 1, wherein,
the visible light camera (11) is used for acquiring a visible light video image of the insulator;
the hyperspectral camera (12) is used for acquiring a hyperspectral image of the surface contamination of the insulator;
the integrated 360-degree omnibearing heavy-load variable-speed pan-tilt (13) is used for rotating the multispectral heavy-load pan-tilt camera (1) by 360 degrees.
8. The hyperspectral based online monitoring system for insulator deposition of a substation according to claim 1, wherein,
the main control unit (21) is used for sending control signals to the video image processing module (22), the standard module (23), the display module (24) and the communication module (25);
the video image processing module (22) is used for preprocessing the visible light video image and the hyperspectral image to obtain an insulator real-time pollution accumulation video image;
the standard module (23) is used for comparing an insulator standard unit with the insulator real-time pollution accumulation video image to obtain the grade of the insulator pollution accumulation degree, wherein the standard unit is a database of surface pollution accumulation images of insulators in different degrees;
the display module (24) is used for displaying the real-time pollution accumulation video image of the insulator and the grade of the pollution accumulation degree of the insulator;
and the communication module (25) is used for sending the insulator real-time pollution accumulation video image and the insulator pollution accumulation degree grade to the switch (4).
9. The hyperspectral-based online monitoring system for insulator contamination of a substation according to claim 8, wherein the insulator contamination level rating comprises 10 ratings, the 10 ratings comprising:
normal dirt accumulation is performed in grade 1-4, dirt accumulation early warning is performed in grade 5-7, and serious dirt accumulation is performed in grade 8-10.
10. The hyperspectral-based substation insulator fouling online monitoring system according to claim 1, wherein the video image processing module (22), the standard module (23), the display module (24) and the communication module (25) are sequentially in communication connection.
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Application publication date: 20200107 |