CN108919031A - A kind of HV Insulator On-line Monitoring Systems and method - Google Patents
A kind of HV Insulator On-line Monitoring Systems and method Download PDFInfo
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- CN108919031A CN108919031A CN201810835390.2A CN201810835390A CN108919031A CN 108919031 A CN108919031 A CN 108919031A CN 201810835390 A CN201810835390 A CN 201810835390A CN 108919031 A CN108919031 A CN 108919031A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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Abstract
The invention belongs to High-Voltage Electrical Appliances protection technique fields, and in particular to a kind of HV Insulator On-line Monitoring Systems and method.The monitoring system includes monitoring device and remote data center；The monitoring device includes data acquisition module, GPS positioning module, control module and GSM communication module；The remote data center includes data receipt unit and console；The console includes controller, memory and display, and loads concurrent computational system；The control method of monitoring system includes：1) status information of each insulator and location information are sent to the remote data center by each monitoring device；2) remote data center stores and shows the status information and location information of each insulator；3) the pollution level information and slight crack degree information that the remote data center obtains each insulator surface by concurrent computational system obtain according to calculated result as calculated result and show alert notice.
Description
Technical field
The invention belongs to High-Voltage Electrical Appliances protection technique fields, and in particular to a kind of HV Insulator On-line Monitoring Systems and side
Method.
Background technique
As the rapid growth of power grid scale, electric network composition are increasingly sophisticated, stable operation and transmission of electricity of the user to power grid
Stability has tightened up requirement.In the case where winter electric system icing, it is easy to appear crackles even to break for insulator
It splits；Adhere to a large amount of dusts in wet weather or insulator, sometimes results in and wet dodge pollution flashover accident.These accidents can give
Power grid brings huge loss.
Pollution flashover refers to the electroceramics surface of power equipment, receives the pollution of the conductive materials such as solid, liquid or gas, is encountering
When mist or drizzle, leakage current becomes larger, and generates shelf depreciation.Shelf depreciation on working voltage lower ceramic part surface may develop
As arc flash.Insulator is cracked or even rupture, the insulating capacity that can directly result in insulator decline, and seriously affects electricity
The safe operation of Force system.Traditional insulator maintenance mode cannot be pacified based on periodic inspection and cleaning in insulator
The preceding timely alert of full hidden danger.It is therefore prevented that whether insulator contamination and monitoring insulator are cracked in electric power
It is of great significance in system.
Summary of the invention
For the above technical problems, the present invention provides a kind of HV Insulator On-line Monitoring Systems, including：Monitoring
Device and remote data center；
The monitoring device has several, is separately mounted on each insulator of power circuit, and monitoring device includes number
According to acquisition module, GPS positioning module, control module and GSM communication module；
The data acquisition module is for acquiring insulator state information, including image information；
Data acquisition module is connected to control module, and sends control module in real time for insulator state information；
GPS positioning module is connected to control module, and the location information for obtaining each insulator on power circuit is concurrent
It is sent to control module；
Control module uses DSP control technology, connect with GSM communication module；The control module is used to acquire data
Module acquired image information carries out preliminary analysis, and is believed the state for analyzing result and insulator by GSM communication module
Breath and location information real-time radio are transmitted to the data receipt unit of remote data center；
The remote data center includes data receipt unit and console；
The data receipt unit is used to receive the status information and location information of each insulator, and is sent to console
Controller；
The console includes controller, memory and display, and loads concurrent computational system；
The controller is connect with data receipt unit, memory and display respectively；Controller is used for each insulation
The status information and location information of son are transmitted and are saved to memory, and pass through display for the status information of insulator and position
Information is shown；
The controller is used to be analyzed the image information of each insulator surface in real time by concurrent computational system
It arranges, the pollution level information and slight crack degree information for obtaining each insulator surface are as calculated result, if each insulator
Threshold value of the calculated result beyond setting, then include beyond setting by display real-time display alert notice, in alert notice
Threshold value insulator location information.
The insulator state information include atmospheric temperature, atmospheric humidity, insulator leakage current and insulator surface
Image information；The data acquisition module includes temperature sensor, humidity sensor, leakage current sensor and image sensing
Device；
Wherein, temperature sensor is for acquiring atmospheric temperature；Humidity sensor is for acquiring atmospheric humidity；Leakage current passes
Sensor is used to acquire the leakage current of insulator；Imaging sensor is used to acquire the image information of insulator surface.
The threshold value is 1, or from low to high multiple；When threshold value is multiple, controller exceeds according to by the insulator
Threshold value number, obtain the fault degree of the insulator, and shown by alert notice.
A kind of control method of HV Insulator On-line Monitoring Systems monitors system on-line using above-mentioned high-tension insulator
System, includes the following steps：
Step 1, the status information of each insulator and location information are sent to described long-range by each monitoring device
Data center；
Step 2, the remote data center stores and shows the status information and location information of each insulator, specifically
For：
The controller of the remote data center status information of each insulator and location information are transmitted and save to
Memory, and shown the status information of insulator and location information by display；
Step 3, the controller of the remote data center passes through concurrent computational system for the image of each insulator surface
Information carries out real-time analysis and arrangement, and the pollution level information and slight crack degree information for obtaining each insulator surface are as calculating knot
Fruit, if threshold value of the calculated result of each insulator beyond setting, passes through display real-time display alert notice, alert notice
In include beyond setting threshold value insulator location information.
The step 1 specifically includes following steps：
Step 1.1, the data collecting module collected insulator state information, including atmospheric temperature, atmospheric humidity, insulation
The leakage current of son and the image information of insulator surface；Specially：
The temperature sensor acquires atmospheric temperature；Humidity sensor acquires atmospheric humidity；Leakage current sensor acquisition
The leakage current of insulator；The image information of imaging sensor acquisition insulator surface；
Step 1.2, insulator state information is sent control module in real time by the data acquisition module；
Step 1.4, the GPS positioning module obtains the location information of each insulator on power circuit and is sent to control
Module；
Step 1.5, the control module carries out preliminary analysis to the image information that data acquisition module receives, and will divide
Analysis result and the status information and location information real-time radio of insulator are transmitted to the data receipt unit of remote data center.
In the step 1.5, the control module carries out preliminary analysis to the image information that data acquisition module receives
Process, including Image Acquisition, image preprocessing, Target Segmentation, dimensionality reduction and feature extraction；
Described image pretreatment, i.e. control module carry out image preprocessing to acquired image information, to reduce because absolutely
The influence of edge itself and surrounding enviroment and the target that occurs is unobvious, uneven illumination uniform the case where being mixed into interference, improve figure
Image quality amount；
In order to which the defects of image information is marked, simplify computation complexity, to the figure after image preprocessing
As information progress Target Segmentation, dimensionality reduction and feature extraction, the analysis result is obtained；
The dimensionality reduction is mapped to the High Dimensional Data Set in the image information after image preprocessing and Target Segmentation
Lower-dimensional subspace, to extract, ga s safety degree height, good reliability, independence is strong, quantity is few and can reflect target characteristic comprehensively
Feature, to improve the accuracy rate of the identification of insulator slight crack.
In the step 3, the threshold value is 1, or from low to high multiple；When threshold value is multiple, controller is according to quilt
The number for the threshold value that the insulator exceeds obtains the fault degree of the insulator, and is shown by alert notice.
Beneficial effects of the present invention：
It is high that the purpose of the present invention is to provide a kind of accuracy, has warning function, can real-time monitoring insulator surface dirt
Dirty and slight crack monitoring system；
The present invention proposes a kind of HV Insulator On-line Monitoring Systems, is carried out by image capture module to insulator real-time
Monitoring, wherein image sensor module can realize the filthy situation and slight crack feelings for detecting insulator using image processing techniques
Condition.And GPS positioning function is had, taxonomic revision label is carried out convenient for information data of the system to each insulator.In insulator
There are timely alert notice is issued when failure risk, it can accurately position and break down or there are the insulators of failure risk
Position, elimination potential faults promptly and accurately, guarantees the safe and stable operation of electric system.
Control module of the invention uses DSP control technology, improves generating date ability, solves detection speed
With the contradiction of detection accuracy.
The present invention has rational design, it is easy to accomplish, there is good practical value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of HV Insulator On-line Monitoring Systems described in the specific embodiment of the invention.
In figure：1, data acquisition module；1-1, temperature sensor；1-2, humidity sensor；1-3, leakage current sensor；
1-4, imaging sensor；2, GPS positioning module；3, control module；4, GSM communication module；5, data receipt unit；6, it controls
Platform；6-1, controller；6-2, memory；6-3, display.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing and embodiment,
Further description is made to the present invention.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention,
It is not intended to limit the present invention.
The present invention provides a kind of HV Insulator On-line Monitoring Systems, as shown in Figure 1, including monitoring device and teledata
Center；
The monitoring device has several, is separately mounted on each insulator of power circuit, and monitoring device includes number
According to acquisition module 1, GPS positioning module 2, control module 3 and GSM communication module 4；
Data acquisition module 1 includes temperature sensor 1-1, humidity sensor 1-2, leakage current sensor 1-3 and image
Sensor 1-4；Data acquisition module 1 is for acquiring insulator state information, including atmospheric temperature, atmospheric humidity, insulator
The image information of leakage current and insulator surface；
Wherein, temperature sensor 1-1 is for acquiring atmospheric temperature；Humidity sensor 1-2 is for acquiring atmospheric humidity；Leakage
Current sensor 1-3 is used to acquire the leakage current of insulator；Imaging sensor 1-4 is used to acquire the image letter of insulator surface
Breath；
Data acquisition module 1 is connected to control module 3, and sends control module 3 in real time for insulator state information；
GPS positioning module 2 is connected to control module 3, for obtaining the location information of each insulator on power circuit simultaneously
It is sent to control module 3；
Control module 3 uses DSP control technology, connect with GSM communication module 4；The control module 3 is for adopting data
The image information that collection module 1 receives carries out preliminary analysis, and the shape of result and insulator will be analyzed by GSM communication module 4
State information and location information real-time radio are transmitted to the data receipt unit 5 of remote data center；
The remote data center includes data receipt unit 5 and console 6；
The data receipt unit 5 is used to receive the status information and location information of each insulator, and is sent to control
The controller 6-1 of platform 6；
The console 6 includes controller 6-1, memory 6-2 and display 6-3, and loads concurrent computational system；
The controller 6-1 is connect with data receipt unit 5, memory 6-2 and display 6-3 respectively；Controller 6-1 is used
It will insulate in transmitting and saved to memory 6-2 by the status information of each insulator and location information, and by display 6-3
The status information and location information of son are shown；
The controller 6-1 is used to be divided the image information of each insulator surface in real time by concurrent computational system
Analysis arranges, and the pollution level information and slight crack degree information for obtaining each insulator surface are as calculated result, if each insulation
Threshold value of the calculated result of son beyond setting then passes through display 6-3 real-time display alert notice, includes exceeding in alert notice
The location information of the insulator of the threshold value of setting, in order to which staff finds the insulator and debugs；
The threshold value is 1, or from low to high multiple；When threshold value is multiple, controller 6-1 surpasses according to by the insulator
The number of threshold value out obtains the fault degree of the insulator, and is shown by alert notice；
A kind of control method of HV Insulator On-line Monitoring Systems, using above-mentioned HV Insulator On-line Monitoring Systems,
Include the following steps：
Step 1, the status information of each insulator and location information are sent to described long-range by each monitoring device
Data center, specially：
Step 1.1, the data acquisition module 1 acquires insulator state information, including atmospheric temperature, atmospheric humidity, absolutely
The leakage current of edge and the image information of insulator surface；Specially：
The temperature sensor 1-1 acquires atmospheric temperature；Humidity sensor 1-2 acquires atmospheric humidity；Leakage current sensing
The leakage current of device 1-3 acquisition insulator；The image information of imaging sensor 1-4 acquisition insulator surface；
Step 1.2, insulator state information is sent control module 3 in real time by the data acquisition module 1；
Step 1.4, the GPS positioning module 2 obtains the location information of each insulator on power circuit and is sent to control
Molding block 3；
Step 1.5, the control module 3 carries out preliminary analysis to the image information that data acquisition module 1 receives, and leads to
It crosses GSM communication module 4 status information and location information real-time radio that analyze result and insulator are transmitted in teledata
The data receipt unit 5 of the heart；
Step 2, the remote data center stores and shows the status information and location information of each insulator, specifically
For：
The status information of each insulator and location information are transmitted and are saved by the controller 6-1 of the remote data center
To memory 6-2, and the status information of insulator and location information are shown by display 6-3；
Step 3, the controller 6-1 of the remote data center passes through concurrent computational system for the figure of each insulator surface
As the real-time analysis and arrangement of information progress, the pollution level information and slight crack degree information for obtaining each insulator surface are as calculating
As a result, passing through display 6-3 real-time display alert notice, report if threshold value of the calculated result of each insulator beyond setting
It include the location information of the insulator of the threshold value beyond setting in alert notice, in order to which staff finds the insulator and excludes
Failure；
In the step 1.5, the control module 3 tentatively divides the image information that data acquisition module 1 receives
The process of analysis, including Image Acquisition, image preprocessing, Target Segmentation, dimensionality reduction and feature extraction；
Described image pretreatment, i.e. control module 3 carry out image preprocessing to acquired image information, to reduce because absolutely
The influence of edge itself and surrounding enviroment and the target that occurs is unobvious, uneven illumination uniform the case where being mixed into interference, improve figure
Image quality amount；
In order to which the defects of image information is marked, simplify computation complexity, to the figure after image preprocessing
As information progress Target Segmentation, dimensionality reduction and feature extraction, the analysis result is obtained；
The dimensionality reduction is mapped to the High Dimensional Data Set in the image information after image preprocessing and Target Segmentation
Lower-dimensional subspace, to extract, ga s safety degree height, good reliability, independence is strong, quantity is few and can reflect target characteristic comprehensively
Feature, to improve the accuracy rate of the identification of insulator slight crack；
In the step 3, the threshold value is 1, or from low to high multiple；When threshold value is multiple, controller 6-1 according to
The number of the threshold value exceeded by the insulator obtains the fault degree of the insulator, and shown by alert notice, with
It debugs convenient for staff referring to the fault degree of insulator.
Claims (7)
1. a kind of HV Insulator On-line Monitoring Systems, which is characterized in that including：Monitoring device and remote data center；
The monitoring device has several, is separately mounted on each insulator of power circuit, and monitoring device includes that data are adopted
Collect module, GPS positioning module, control module and GSM communication module；
The data acquisition module is for acquiring insulator state information, including image information；
Data acquisition module is connected to control module, and sends control module in real time for insulator state information；
GPS positioning module is connected to control module, for obtaining the location information of each insulator on power circuit and being sent to
Control module；
Control module uses DSP control technology, connect with GSM communication module；The control module is used for data acquisition module
Acquired image information carries out preliminary analysis, and by GSM communication module by analyze result and insulator status information and
Location information real-time radio is transmitted to the data receipt unit of remote data center；
The remote data center includes data receipt unit and console；
The data receipt unit is used to receive the status information and location information of each insulator, and is sent to the control of console
Device processed；
The console includes controller, memory and display, and loads concurrent computational system；
The controller is connect with data receipt unit, memory and display respectively；Controller is used for each insulator
Status information and location information are transmitted and are saved to memory, and pass through display for the status information and location information of insulator
It is shown；
The controller is used to that the image information of each insulator surface to be carried out real-time analysis and arrangement by concurrent computational system,
The pollution level information and slight crack degree information for obtaining each insulator surface are as calculated result, if the calculating of each insulator
As a result the threshold value beyond setting then passes through display real-time display alert notice, includes the threshold value beyond setting in alert notice
Insulator location information.
2. HV Insulator On-line Monitoring Systems according to claim 1, which is characterized in that the insulator state information
Including atmospheric temperature, atmospheric humidity, the image information of the leakage current of insulator and insulator surface；The data acquisition module
Including temperature sensor, humidity sensor, leakage current sensor and imaging sensor；
Wherein, temperature sensor is for acquiring atmospheric temperature；Humidity sensor is for acquiring atmospheric humidity；Leakage current sensor
For acquiring the leakage current of insulator；Imaging sensor is used to acquire the image information of insulator surface.
3. HV Insulator On-line Monitoring Systems according to claim 1, which is characterized in that the threshold value is 1, or from
Low to high is multiple；When threshold value is multiple, controller obtains the insulator according to the number of the threshold value exceeded by the insulator
Fault degree, and shown by alert notice.
4. a kind of control method of HV Insulator On-line Monitoring Systems, online using high-tension insulator as claimed in claim 2
Monitoring system, includes the following steps：
Step 1, the status information of each insulator and location information are sent to the teledata by each monitoring device
Center；
Step 2, the remote data center stores and shows the status information and location information of each insulator, specially：
The status information of each insulator and location information are transmitted and are saved to storage by the controller of the remote data center
Device, and shown the status information of insulator and location information by display；
Step 3, the controller of the remote data center passes through concurrent computational system for the image information of each insulator surface
Carry out real-time analysis and arrangement, the pollution level information and slight crack degree information for obtaining each insulator surface as calculated result,
If threshold value of the calculated result of each insulator beyond setting, by display real-time display alert notice, in alert notice
The location information of insulator including the threshold value beyond setting.
5. the control method of HV Insulator On-line Monitoring Systems according to claim 4, which is characterized in that the step
1 specifically includes following steps：
Step 1.1, the data collecting module collected insulator state information, including atmospheric temperature, atmospheric humidity, insulator
The image information of leakage current and insulator surface；Specially：
The temperature sensor acquires atmospheric temperature；Humidity sensor acquires atmospheric humidity；Leakage current sensor acquisition insulation
The leakage current of son；The image information of imaging sensor acquisition insulator surface；
Step 1.2, insulator state information is sent control module in real time by the data acquisition module；
Step 1.4, the GPS positioning module obtains the location information of each insulator on power circuit and is sent to control mould
Block；
Step 1.5, the control module carries out preliminary analysis to the image information that data acquisition module receives, and analysis is tied
The status information and location information real-time radio of fruit and insulator are transmitted to the data receipt unit of remote data center.
6. the control method of HV Insulator On-line Monitoring Systems according to claim 5, which is characterized in that the step
In 1.5, the control module carries out the process of preliminary analysis to the image information that data acquisition module receives, including image is adopted
Collection, image preprocessing, Target Segmentation, dimensionality reduction and feature extraction；
Described image pretreatment, i.e. control module carry out image preprocessing to acquired image information, to reduce because of insulator
The influence of itself and surrounding enviroment and the target that occurs is unobvious, uneven illumination uniform the case where being mixed into interference, improve image matter
Amount；
In order to which the defects of image information is marked, simplifies computation complexity, the image after image preprocessing is believed
Breath carries out Target Segmentation, dimensionality reduction and feature extraction, obtains the analysis result；
High Dimensional Data Set in image information after image preprocessing and Target Segmentation is mapped to low-dimensional by the dimensionality reduction
Subspace, to extract ga s safety degree height, good reliability, independence is strong, quantity is few and can reflect the feature of target characteristic comprehensively,
To improve the accuracy rate of the identification of insulator slight crack.
7. the control method of HV Insulator On-line Monitoring Systems according to claim 4, which is characterized in that the step
In 3, the threshold value is 1, or from low to high multiple；When threshold value is multiple, controller is according to the threshold exceeded by the insulator
The number of value obtains the fault degree of the insulator, and is shown by alert notice.
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| CN201810835390.2A CN108919031A (en) | 2018-07-26 | 2018-07-26 | A kind of HV Insulator On-line Monitoring Systems and method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514936A (en) * | 2019-09-17 | 2019-11-29 | 中国长江电力股份有限公司 | A kind of de-excitation resistance on-line monitoring and diagnostic method and system |
| CN111107327A (en) * | 2020-01-03 | 2020-05-05 | 国家电网有限公司 | Insulating equipment abnormity alarm method based on Internet of things |
| CN112818998A (en) * | 2021-02-08 | 2021-05-18 | 上海电力大学 | Overhead line insulator fault monitoring system based on Lora communication |
| CN112837305A (en) * | 2021-02-08 | 2021-05-25 | 上海电力大学 | Overhead line insulator fault monitoring system based on Beidou short message |
| CN113533920A (en) * | 2021-09-13 | 2021-10-22 | 广东电网有限责任公司中山供电局 | Automatic withstand voltage test device and method for insulating partition plate |
| CN113933458A (en) * | 2021-09-17 | 2022-01-14 | 国网江苏省电力有限公司盐城供电分公司 | Early warning system for insulator dust pollution |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514936A (en) * | 2019-09-17 | 2019-11-29 | 中国长江电力股份有限公司 | A kind of de-excitation resistance on-line monitoring and diagnostic method and system |
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| CN112818998A (en) * | 2021-02-08 | 2021-05-18 | 上海电力大学 | Overhead line insulator fault monitoring system based on Lora communication |
| CN112837305A (en) * | 2021-02-08 | 2021-05-25 | 上海电力大学 | Overhead line insulator fault monitoring system based on Beidou short message |
| CN113533920A (en) * | 2021-09-13 | 2021-10-22 | 广东电网有限责任公司中山供电局 | Automatic withstand voltage test device and method for insulating partition plate |
| CN113533920B (en) * | 2021-09-13 | 2022-01-25 | 广东电网有限责任公司中山供电局 | Automatic withstand voltage test device and method for insulating partition plate |
| CN113933458A (en) * | 2021-09-17 | 2022-01-14 | 国网江苏省电力有限公司盐城供电分公司 | Early warning system for insulator dust pollution |
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Application publication date: 20181130 |
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