CN106646137A - Method of detecting defect of power transmission line, defect detecting device, and defect detecting system - Google Patents
Method of detecting defect of power transmission line, defect detecting device, and defect detecting system Download PDFInfo
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- CN106646137A CN106646137A CN201611235095.0A CN201611235095A CN106646137A CN 106646137 A CN106646137 A CN 106646137A CN 201611235095 A CN201611235095 A CN 201611235095A CN 106646137 A CN106646137 A CN 106646137A
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/088—Aspects of digital computing
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Abstract
The invention provides a method of detecting a defect of a power transmission line, a defect detecting device, and a defect detecting system, and relates to a power grid defect detection technology field. The method comprises steps that an image acquisition device is used to acquire the image information of the power transmission line, and the image information comprises the image of the power transmission line and the position information corresponding to the image; the defect detecting device is used to acquire a prestored standard image corresponding to the position information according to the position information, and is used to compare the image with the standard image, and is used to output the detection result of the defect of the power transmission line. Problems such as missing defects during a defect acquisition process caused by human uncertainty factors and low efficiency caused by manual working ways are solved.
Description
Technical field
The present invention relates to grounding grid defect detection technique field, more particularly to a kind of method of the defect of detection transmission line of electricity,
Defect detection equipment and system.
Background technology
With the development of the deep and national economy that China reforms and opens up to the outside world, electrical network scale is increasing, transmission line of electricity conduct
The main artery of electrical network, the characteristics of with circuit length, geographical complexity, various environment, natural exposing, be struck by lightning when transmission line of electricity,
When icing and external force are destroyed, if finding the defect that transmission line of electricity is present not in time, electrical network and electric power system will be directly affected
Safe and stable operation, causes great casualties and economic loss.In order to find defect present in transmission line of electricity, mesh in time
Before, using helicopter routing inspection operation, helicopter is taken by professional patrol officer and transmission line of electricity is patrolled and examined using telescope,
When transmission line of electricity existing defects are found, the defect on transmission line of electricity is taken pictures using camera, and by wireless network
Background server is sent to, and flaw labeling is carried out to the picture for shooting by the bug processing personnel of specialty, and be sent to corresponding
O＆M unit safeguarded.By helicopter routing inspection operation can when find defect present on transmission line of electricity and obstacle, have
Effect reduces the generation of transmission line of electricity serious accident, is that one kind does not receive regional impact, convenient, fast, reliable polling transmission line
Operating type.
However, collection, analysis and the mark of defect are carried out to transmission line of electricity using manual type, because artificial does not know
May there is the omission of defect in defect gatherer process in sexual factor, and using manual type inefficiency.
The content of the invention
Because the something lost of defect occurs in defect gatherer process in artificial uncertain factor in order to solve prior art
Leakage, and using the problem of manual type inefficiency, the main purpose of the embodiment of the present invention is to propose a kind of detection power transmission line
The method of the defect on road, defect detection equipment and system, realize the automatic identification of the defect of transmission line of electricity.
For achieving the above object, the invention provides a kind of method of the defect of detection transmission line of electricity, methods described includes：
Image capture device gathers the image information of the transmission line of electricity, and described image information includes the transmission line of electricity
Picture and positional information corresponding with the picture；
Defect detection equipment obtains the standard drawing corresponding with the positional information for prestoring according to the positional information
Piece, the picture is compared with the normal pictures, exports the testing result of the defect of the transmission line of electricity.
Optionally, the picture is compared with the normal pictures, exports the detection of the defect of the transmission line of electricity
As a result include：
Gray processing process is carried out to the picture, the binaryzation numerical value of the picture is obtained；
Gray processing process is carried out to the normal pictures, the binaryzation numerical value of the normal pictures is obtained；
Judge whether the binaryzation numerical value of the picture is identical with the binaryzation numerical value of the normal pictures；
When judged result is to be, the normal testing result of the transmission line of electricity is exported, otherwise, export the transmission line of electricity
The testing result of existing defects.
Optionally, methods described also includes：
When testing result is the transmission line of electricity existing defects, flaw labeling is carried out to the picture.
Optionally, carrying out flaw labeling to the picture includes：
The binaryzation numerical value of the picture region different from the binaryzation numerical value of the normal pictures is determined, as defect
Region；
Determine the distance of any point-to-point transmission on the edge of the defect area；
Select the longest distance in the distance as the diameter of the flaw labeling, the center of the diameter is used as circle
The heart；
Made to justify on the picture according to the diameter and the center of circle, obtain the picture after flaw labeling.
Optionally, methods described also includes：
The maintenance information corresponding with the positional information for prestoring, the maintenance letter are obtained according to the positional information
Breath includes O＆M unit, line name and bar number；
According to the maintenance information, the picture after the flaw labeling is sent into the O＆M unit, it is described to carry out
The maintenance of transmission line of electricity.
For achieving the above object, present invention also offers a kind of defect detection equipment of detection transmission line of electricity, the defect
Testing equipment includes：
Data sink, for receiving the image information of the transmission line of electricity of described image collecting device transmission, institute
State picture and with the picture corresponding positional information of the image information including the transmission line of electricity；
Normal pictures acquisition device, it is corresponding with the positional information for what is prestored according to positional information acquisition
Normal pictures；
Defect comparison device, for the picture to be compared with the normal pictures, exports the transmission line of electricity
The testing result of defect.
Optionally, the defect comparison device includes：
First processing module, for carrying out gray processing process to the picture, obtains the binaryzation numerical value of the picture；
Second processing module, for carrying out gray processing process to the normal pictures, obtains the two-value of the normal pictures
Change numerical value；
Numerical value judge module, for judging that the binaryzation numerical value of the picture is with the binaryzation numerical value of the normal pictures
It is no identical；
First output module, for when the judged result of the numerical value judge module is to be, exporting the transmission line of electricity
Normal testing result.
Second output module, for when the judged result of the numerical value judge module is no, exporting the transmission line of electricity
The testing result of existing defects.
Optionally, the defect detection equipment also includes：
Flaw labeling device, during for the testing result that the transmission line of electricity existing defects are exported when the second output module,
Flaw labeling is carried out to the picture.
Optionally, the flaw labeling device includes：
Defect area determining module, for determining the binaryzation numerical value of the picture and the binaryzation number of the normal pictures
The different region of value, as defect area；
Marking path determining module, for the distance of any point-to-point transmission on the edge for determining the defect area；
Flag parameters determining module, for selecting the distance in longest distance as the flaw labeling diameter,
The center of the diameter is used as the center of circle；
Flaw labeling drafting module, for making to justify on the picture according to the diameter and the center of circle, obtains defect
Picture after mark.
Optionally, the defect detection equipment also includes：
O＆M information acquisition device, it is corresponding with the positional information for what is prestored according to positional information acquisition
Maintenance information, the maintenance information include O＆M unit, line name and bar number；
O＆M information delivery apparatus, for according to the maintenance information, the picture after the flaw labeling being sent into institute
O＆M unit is stated, to carry out the maintenance of the transmission line of electricity.
For achieving the above object, present invention also offers a kind of system of the defect of detection transmission line of electricity, the system bag
Include：The defect detection equipment of flight equipment, image capture device and detection transmission line of electricity；
Wherein, the flight equipment, for the flying speed for pre-setting in the flying overhead of the transmission line of electricity；
Described image collecting device, is mounted on the flight equipment, by wireless network and the detection transmission line of electricity
Defect detection equipment be connected, for gathering the image information of the transmission line of electricity, described image according to cycle for pre-setting
Information includes the picture and positional information corresponding with the picture of the transmission line of electricity, and described image information is sent to
The defect detection equipment of the detection transmission line of electricity, the cycle is linear with the flying speed；
The defect detection equipment of the detection transmission line of electricity, for receiving described image information, according to the positional information
Normal pictures corresponding with the positional information and O＆M information that acquisition is prestored, by the picture and the normal pictures
Compare, export the testing result of the defect of the transmission line of electricity.
Above-mentioned technical proposal has the advantages that：
(1) picture of whole transmission lines of electricity is gathered by image capture device, can be avoided because artificial uncertain factor is made
Into transmission line of electricity defect omission；
(2) positional information corresponding with picture is obtained while gathering the picture of transmission line of electricity by image capture device,
Afterwards the normal pictures corresponding with positional information that prestore are obtained and using defect alignment algorithm by defect detection equipment
Defect analysis and mark are carried out to picture, the analysis mistake of the defect caused because of artificial uncertain factor can be avoided and marked wrong
By mistake.
(3) the O＆M information corresponding with positional information for prestoring is searched by defect detection equipment, after mark
Defect picture is sent to O＆M unit, to carry out later stage O＆M.
(4) automatic data collection, defect analysis and defect mark are carried out to picture by image capture device and defect detection equipment
Note, efficiency is significantly lifted.
Description of the drawings
For the clearer explanation embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structured flowchart of the system of the defect of detection transmission line of electricity proposed by the present invention；
Fig. 2 is a kind of structural frames of the embodiment one of the defect detection equipment of detection transmission line of electricity proposed by the present invention
Figure；
Fig. 3 is the defect in a kind of embodiment one of the defect detection equipment of detection transmission line of electricity proposed by the present invention
The structured flowchart of comparison device；
Fig. 4 is a kind of structural frames of the embodiment two of the defect detection equipment of detection transmission line of electricity proposed by the present invention
Figure；
Fig. 5 is the defect in a kind of embodiment two of the defect detection equipment of detection transmission line of electricity proposed by the present invention
The structured flowchart of labelling apparatus；
Fig. 6 is a kind of structural frames of the embodiment three of the defect detection equipment of detection transmission line of electricity proposed by the present invention
Figure；
Fig. 7 is a kind of flow chart of the embodiment one of the method for the defect of detection transmission line of electricity proposed by the present invention；
Fig. 8 is the particular flow sheet of the step 503 in Fig. 7；
Fig. 9 is a kind of flow chart of the embodiment two of the method for the defect of detection transmission line of electricity proposed by the present invention；
Figure 10 is the particular flow sheet of the step 504 in Fig. 9；
Figure 11 is a kind of flow chart of the embodiment three of the method for the defect of detection transmission line of electricity proposed by the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description, it is clear that described embodiment a part of embodiment only of the invention, rather than the embodiment of whole.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
One skilled in the art will appreciate that embodiments of the present invention can realize a kind of system, device, equipment, method or
Computer program.Therefore, the present invention can be implemented as following form, i.e.,：Completely hardware, completely software is (including solid
Part, resident software, microcode etc.), or the form that hardware and software is combined.
Additionally, any number of elements in accompanying drawing is used to example and unrestricted, and any name is only used for distinguishing,
Not with any limitation.
Below with reference to some representative embodiments of the present invention, the in detail principle and spirit of the explaination present invention.
Summary of the invention
Helicopter routing inspection operation is adopted in defect collection, analysis and the mark operation of current transmission line of electricity, is patrolled by specialty
Inspection personnel are taken helicopter and transmission line of electricity is patrolled and examined using telescopes, when transmission line of electricity existing defects are found, are used
Camera is taken pictures to the defect on transmission line of electricity, and picture is sent into background server by wireless network, and by specialty
Bug processing personnel to shoot picture carry out flaw labeling, be sent to corresponding O＆M unit and safeguarded.In actual work
During industry transmission line of electricity patrolled and examined using manual type, analyzed and flaw labeling, due to artificial uncertain factor
It is likely to result in omission and the marked erroneous of defect, and inefficiency.
For problems of the prior art, the invention provides it is a kind of detection transmission line of electricity defect method, lack
Sunken testing equipment and system, the picture and positional information corresponding with picture on transmission line of electricity is gathered by image capture device,
Afterwards the normal pictures corresponding with positional information that prestore are obtained and using defect alignment algorithm by defect detection equipment
Defect analysis are carried out to picture, and flaw labeling is carried out to defect picture.
After the general principle for describing the present invention, lower mask body introduces the various nonrestrictive embodiment party of the present invention
Formula.
Application scenarios overview
In an embodiment of the present invention, by aircraft (such as helicopter, unmanned plane etc.) carrying image collecting device (example
Such as camera, video camera) collection transmission line of electricity picture and positional information corresponding with picture, and by radio transmission apparatus
Be sent to defect detection equipment, afterwards, defect detection equipment according to positional information search prestore it is corresponding with positional information
Normal pictures, picture is compared with normal pictures, the analysis of defect is carried out to picture and defect is carried out to defect picture
Mark, corresponding with the picture after flaw labeling O＆M information is searched and by the picture after flaw labeling finally by positional information
O＆M unit is sent to, to carry out follow-up O＆M.
Illustrative methods
With reference to above-mentioned application scenarios, the system of the defect of the detection transmission line of electricity of the present invention is situated between with reference to Fig. 1
Continue.
It should be noted that above-mentioned application scenarios are for only for ease of and understand spirit and principles of the present invention and illustrates, this
The embodiment of invention is unrestricted in this regard.Conversely, embodiments of the present invention can apply to it is applicable any
Scene.
Fig. 1 is a kind of structured flowchart of the system of the defect of detection transmission line of electricity proposed by the present invention, as shown in figure 1, institute
The system of stating includes：The defect detection equipment 300 of flight equipment 100, image capture device 200 and detection transmission line of electricity.
Wherein, the flight equipment 100, for being flown in the overhead of the transmission line of electricity with the flying speed for pre-setting
OK.
Described image collecting device 200, is mounted on the flight equipment 100, defeated with the detection by wireless network
The defect detection equipment 300 of electric line is connected, for gathering the image information of the transmission line of electricity according to the cycle for pre-setting,
Described image information includes the picture and positional information corresponding with the picture of the transmission line of electricity, and described image is believed
Breath is sent to the defect detection equipment 300 of the detection transmission line of electricity, and the cycle is linear with the flying speed.
Image capture device 200 includes image photographic device and positioner, and wherein image photographic device can be had
The devices such as camera, the video camera of automatic photo function, and transmission line of electricity is carried out periodically according to the cycle set in advance
Take pictures to gather the picture of transmission line of electricity, positioner can be the device with GPS functions, when image photographic device is to transmission of electricity
Circuit can trigger positioner and obtain current positional information when being taken pictures, image capture device 200 is by the positional information
Corresponding storage is carried out with picture, image information is obtained, it is possible to is sent the image information by wireless or 3G or 4G networks
To defect detection equipment 300.
The defect detection equipment 300 of the detection transmission line of electricity, for receiving described image information, believes according to the position
Breath obtains the normal pictures corresponding with the positional information and O＆M information for prestoring, by the picture and the standard drawing
Piece is compared, and exports the testing result of the defect of the transmission line of electricity.
In being embodied as of system of the defect of the detection transmission line of electricity that the present invention is provided, by flight equipment 100, figure
As the defect detection equipment 300 of collecting device 200 and detection transmission line of electricity realize the collection of defect, analysis, mark it is complete certainly
Dynamicization process, solves the omission that occurs defect in defect gatherer process due to artificial uncertain factor and in defect
Analysis and labeling process in there are analysis mistake and marked erroneous, and using the problem of manual type inefficiency.
Fig. 2 is a kind of structure of the embodiment one of the defect detection equipment 300 of detection transmission line of electricity proposed by the present invention
Block diagram, as shown in Fig. 2 the defect detection equipment 300 includes：
Data sink 310, for receiving the image letter of the transmission line of electricity of the transmission of described image collecting device 200
Breath, described image information includes the picture and positional information corresponding with the picture of the transmission line of electricity.
Normal pictures acquisition device 320, for obtaining prestoring with the positional information according to the positional information
Corresponding normal pictures.
Normal pictures acquisition device 320 is received after image information, and the position for prestoring is searched according to positional information
Information and the corresponding table of normal pictures, obtain normal pictures.The normal pictures are the transmission of electricity gathered by image capture device 200
The intact picture of circuit.
Defect comparison device 330, for the picture to be compared with the normal pictures, exports the transmission line of electricity
Defect testing result.
In being embodied as of embodiment one of the defect detection equipment 300 that the present invention is provided, first, data receiver dress
The picture and positional information corresponding with picture of the transmission of 310 reception image capture device 200 are put, then, by normal pictures
Acquisition device 320 searches normal pictures corresponding with positional information according to positional information, finally, by defect comparison device 330
Picture is compared with normal pictures, the testing result of defect is exported, the full-automatic process of defect analysis, defect is realized
Analysis precision and the efficiency of defect analysis are substantially improved.
Fig. 3 is in a kind of embodiment one of the defect detection equipment 300 of detection transmission line of electricity proposed by the present invention
The structured flowchart of defect comparison device 330, as shown in figure 3, the defect comparison device 330 includes：
First processing module 331, for carrying out gray processing process to the picture, obtains the binaryzation number of the picture
Value；
First processing module 331 carries out gray processing process to picture, gray level image corresponding with picture is obtained, according to this
The gray value of each pixel and default gray threshold carry out binary conversion treatment in gray level image, obtain the binaryzation number of picture
Value.
Second processing module 332, for carrying out gray processing process to the normal pictures, obtains the two of the normal pictures
Value numerical value；
Second processing module 332 carries out gray processing process to normal pictures, obtains gray processing figure corresponding with normal pictures
Picture, according to the gray value of each pixel in the gray level image and default gray threshold binary conversion treatment is carried out, and obtains standard
The binaryzation numerical value of picture.
Numerical value judge module 333, for judging the binaryzation numerical value of the picture and the binaryzation number of the normal pictures
Whether value is identical；
First output module 334, for when the judged result of the numerical value judge module is to be, exporting the power transmission line
The normal testing result in road.
Second output module 335, for when the judged result of the numerical value judge module is no, exporting the power transmission line
The testing result of road existing defects.
In being embodied as of defect comparison device 330 proposed by the present invention, at first processing module 331 and second
Reason module 332 carries out gray processing process to picture and normal pictures, obtains the binaryzation numerical value of picture and the two-value of normal pictures
Change numerical value, then by numerical value judge module 333 judge picture binaryzation numerical value and normal pictures binaryzation numerical value whether
It is identical, and testing result is exported by the first output module 334 and the second output module 335, realize defect analysis it is complete from
The efficiency of dynamicization process, defect analysis precision and defect analysis is substantially improved.
Another in defect comparison device 330 proposed by the present invention is embodied as, it can be determined that picture and normal pictures
Whether the binaryzation numerical value of the pixel of middle same position is identical, it is possible to counts the number of the different pixel of binaryzation numerical value
Mesh, calculates number proportion in the total number of pixel, if the ratio is less than predetermined threshold value, judges picture with mark
Quasi- picture is identical, the normal testing result of output transmission line of electricity, otherwise, then judges that picture is differed with normal pictures, is exported defeated
The testing result of electric line existing defects.
Fig. 4 is a kind of structure of the embodiment two of the defect detection equipment 300 of detection transmission line of electricity proposed by the present invention
Block diagram, as shown in figure 4, shown defect detection equipment 300 also includes：
Flaw labeling device 340, for exporting the detection knot of the transmission line of electricity existing defects when the second output module 335
During fruit, flaw labeling is carried out to the picture.
Fig. 5 is in a kind of embodiment two of the defect detection equipment 300 of detection transmission line of electricity proposed by the present invention
The structured flowchart of flaw labeling device 340, as shown in figure 5, the flaw labeling device 340 includes：
Defect area determining module 341, for determining the binaryzation numerical value of the picture and the two-value of the normal pictures
Change the different region of numerical value, as defect area.
Defect area determining module 341 according to the binaryzation numerical value of the pixel of same position in picture and normal pictures not
The position of same pixel, determines defect area in picture.
Marking path determining module 342, for the distance of any point-to-point transmission on the edge for determining the defect area.
Marking path determining module 342 in the defect area of picture, the distance of any point-to-point transmission on the edge of zoning,
Obtain multiple distances.
Flag parameters determining module 343, for selecting the distance in longest distance as the straight of the flaw labeling
Footpath, the center of the diameter is used as the center of circle.
Flag parameters determining module 343 selects the distance of numerical value maximum, as the straight of flaw labeling in multiple distances
Footpath, determines the position of the central pixel point of the diameter, as the center of circle.
Flaw labeling drafting module 344, for being made to justify on the picture according to the diameter and the center of circle, is lacked
Fall into picture after mark.
Flaw labeling drafting module 344 generates doughnut picture according to diameter, and the doughnut picture is added into figure according to the center of circle
In piece, so that the center of circle of the doughnut picture overlaps with the center of circle, the picture after flaw labeling is obtained.
In being embodied as of flaw labeling device 340 proposed by the present invention, by the basis of defect area determining module 341
The binaryzation numerical value of the picture region different from the binaryzation numerical value of normal pictures, determines defect area, and afterwards marking path is true
Cover half block 342 and flag parameters determining module 343 determine the center of circle of the diameter of flaw labeling, and finally by flaw labeling mould is drawn
Block 344 is marked on picture to defect area, realizes the full-automatic process of flaw labeling, flaw labeling precision and lacks
The efficiency for falling into analysis is substantially improved.
Another in flaw labeling device 340 proposed by the present invention is embodied as, can according to defect area, to defect
Region is marked using the mode such as ellipse, square, rectangle, rhombus, and the present invention is not construed as limiting.
Fig. 6 is a kind of structure of the embodiment three of the defect detection equipment 300 of detection transmission line of electricity proposed by the present invention
Block diagram, as shown in fig. 6, the defect detection equipment 300 also includes：
O＆M information acquisition device 350, for obtaining prestoring with the positional information according to the positional information
Corresponding maintenance information, the maintenance information includes O＆M unit, line name and bar number.
O＆M information delivery apparatus 360, for according to the maintenance information, the picture after the flaw labeling being sent to
The O＆M unit, to carry out the maintenance of the transmission line of electricity.
In being embodied as of embodiment three of the defect detection equipment 300 that the present invention is provided, O＆M acquisition of information dress
Put 350 and O＆M information corresponding with the picture after flaw labeling is obtained according to positional information, and by O＆M information delivery apparatus
Picture after flaw labeling is sent to O＆M unit by 360, to carry out the maintenance of transmission line of electricity.
Fig. 7 is a kind of flow chart of the embodiment one of the method for the defect of detection transmission line of electricity proposed by the present invention, such as
Shown in Fig. 7, methods described includes：
Step 501：Image capture device 200 gathers the image information of the transmission line of electricity, and described image information includes institute
State the picture and positional information corresponding with the picture of transmission line of electricity.
Image capture device 200 includes image photographic device and positioner, and wherein image photographic device can be had
The devices such as camera, the video camera of automatic photo function, and transmission line of electricity is carried out periodically according to the cycle set in advance
Take pictures to gather the picture of transmission line of electricity, positioner can be the device with GPS functions, when image photographic device is to transmission of electricity
Circuit can trigger positioner and obtain current positional information when being taken pictures, image capture device 200 is by the positional information
Corresponding storage is carried out with picture, image information is obtained, it is possible to is sent the image information by wireless or 3G or 4G networks
To defect detection equipment 300.
Step 502：Defect detection equipment 300 obtains prestoring with the positional information pair according to the positional information
The normal pictures answered.
Defect detection equipment 300 is received after image information, and the positional information for prestoring is searched according to positional information
With the corresponding table of normal pictures, normal pictures are obtained.The normal pictures are the transmission line of electricity gathered by image capture device 200
Intact picture.
Step 503：Defect detection equipment 300 compares the picture with the normal pictures, exports the transmission of electricity
The testing result of the defect of circuit.
Defect detection equipment 300 can prestore corresponding picture contrast algorithm, and picture is compared with normal pictures
It is right, export the testing result of the defect of the transmission line of electricity.
In being embodied as of embodiment one of the method for the defect of the detection transmission line of electricity that the present invention is provided, first,
The picture and positional information corresponding with picture of transmission line of electricity are gathered by image capture device 200, then, is examined by defect
Survey device 300 and normal pictures corresponding with positional information are searched according to positional information, finally, picture is compared with normal pictures
It is right, the testing result of defect is exported, realize the effect of the full-automatic process of defect analysis, defect analysis precision and defect analysis
Rate is substantially improved.
Fig. 8 is the particular flow sheet of step 503 in Fig. 7, and as described in Figure 8, step 503 is specifically included：
Step 601：Gray processing process is carried out to the picture, the binaryzation numerical value of the picture is obtained.
Defect detection equipment 300 carries out gray processing process to picture, gray level image corresponding with picture is obtained, according to this
The gray value of each pixel and default gray threshold carry out binary conversion treatment in gray level image, obtain the binaryzation number of picture
Value.
Step 602：Gray processing process is carried out to the normal pictures, the binaryzation numerical value of the normal pictures is obtained.
Defect detection equipment 300 carries out gray processing process to normal pictures, obtains gray processing figure corresponding with normal pictures
Picture, according to the gray value of each pixel in the gray level image and default gray threshold binary conversion treatment is carried out, and obtains standard
The binaryzation numerical value of picture.
Step 603：Judge whether the binaryzation numerical value of the picture is identical with the binaryzation numerical value of the normal pictures.
Step 604：Export the normal testing result of the transmission line of electricity.
Step 605：Export the testing result of the transmission line of electricity existing defects.
In being embodied as of method that defect proposed by the present invention is compared, by carrying out gray scale to picture and normal pictures
Change is processed, and obtains the binaryzation numerical value of picture and the binaryzation numerical value of normal pictures, then judge the binaryzation numerical value of picture with
Whether the binaryzation numerical value of normal pictures is identical, and exports testing result, realizes the full automatic treatment of defect analysis, defect point
Analysis precision and the efficiency of defect analysis are substantially improved.
The another of the method compared in defect proposed by the present invention is embodied as, it can be determined that in picture and normal pictures
Whether the binaryzation numerical value of the pixel of same position is identical, it is possible to counts the number of the different pixel of binaryzation numerical value,
Number proportion in the total number of pixel is calculated, if the ratio is less than predetermined threshold value, picture and standard is judged
Picture is identical, the normal testing result of output transmission line of electricity；Otherwise, then judge that picture is differed with normal pictures, output transmission of electricity
The testing result of circuit existing defects.
Fig. 9 is a kind of flow chart of the embodiment two of the method for the defect of detection transmission line of electricity proposed by the present invention, such as
Shown in Fig. 9, methods described also includes：
Step 504：When testing result is the transmission line of electricity existing defects, flaw labeling is carried out to the picture.
Figure 10 is the particular flow sheet of the step 504 in Fig. 9, and as shown in Figure 10, step 504 is specifically included：
Step 701：Determine the binaryzation numerical value of the picture region different from the binaryzation numerical value of the normal pictures,
As defect area.
According to the position of the picture pixel different from the binaryzation numerical value of the pixel of same position in normal pictures,
Defect area is determined in picture.
Step 702：Determine the distance of any point-to-point transmission on the edge of the defect area.
In the defect area of picture, the distance of any point-to-point transmission, obtains multiple distances on the edge of zoning.
Step 703：The longest distance in the distance is selected as the diameter of the flaw labeling, the center of the diameter
As the center of circle.
In multiple distances, the distance for selecting numerical value maximum, as the diameter of flaw labeling, determines the middle imago of the diameter
The position of vegetarian refreshments, as the center of circle.
Step 704：Made to justify on the picture according to the diameter and the center of circle, obtain the picture after flaw labeling.
Doughnut picture is generated according to diameter, the doughnut picture is added in picture according to the center of circle, so that the doughnut picture
The center of circle overlap with the center of circle, obtain the picture after flaw labeling.
In being embodied as of method of flaw labeling proposed by the present invention, the two of the picture obtained based on gray processing process
Value numerical value and the binaryzation numerical value of normal pictures, by the different region of binaryzation numerical value, are defined as defect area, determine afterwards
The center of circle of the diameter of flaw labeling, is finally marked on picture to defect area, realizes the full-automation of flaw labeling
Process, the efficiency of flaw labeling precision and defect analysis is substantially improved.
It is embodied as in the another of method of flaw labeling proposed by the present invention, can according to defect area, to defect
Region is marked using the mode such as ellipse, square, rectangle, rhombus, and the present invention is not construed as limiting.
Figure 11 is a kind of flow chart of the embodiment three of the method for the defect of detection transmission line of electricity proposed by the present invention, such as
Shown in Figure 11, methods described also includes：
Step 505：The maintenance information corresponding with the positional information for prestoring, institute are obtained according to the positional information
Maintenance information is stated including O＆M unit, line name and bar number；
Step 506：According to the maintenance information, the picture after the flaw labeling is sent into the O＆M unit, with
Carry out the maintenance of the transmission line of electricity.
In being embodied as of embodiment three of the method for the defect of the detection transmission line of electricity that the present invention is provided, according to position
Acquisition of information O＆M information corresponding with the picture after flaw labeling is put, and the picture after flaw labeling is sent into O＆M list
Position, to carry out the maintenance of transmission line of electricity.
The beneficial effects of the present invention is：
(1) picture of whole transmission lines of electricity is gathered by image capture device, can be avoided because artificial uncertain factor is made
Into transmission line of electricity defect omission；
(2) positional information corresponding with picture is obtained while gathering the picture of transmission line of electricity by image capture device,
Afterwards the normal pictures corresponding with positional information that prestore are obtained and using defect alignment algorithm by defect detection equipment
Defect analysis are carried out to picture and flaw labeling is carried out to defect picture, the defect caused because of artificial uncertain factor can be avoided
Analysis mistake and marked erroneous.
(3) the O＆M information corresponding with positional information for prestoring is searched by defect detection equipment, after mark
Defect picture is sent to O＆M unit, to carry out later stage O＆M.
(4) automatic data collection, defect analysis and defect mark are carried out to picture by image capture device and defect detection equipment
Note, efficiency is significantly lifted.
Above specific embodiment, has been carried out further specifically to the purpose of the present invention, technical scheme and beneficial effect
It is bright, should be understood that the specific embodiment that these are only the present invention, the protection model being not intended to limit the present invention
Enclose, all outside the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc. should be included in the present invention
Protection domain within.
Claims (11)
1. it is a kind of detection transmission line of electricity defect method, it is characterised in that methods described includes：
Image capture device gathers the image information of the transmission line of electricity, and described image information includes the picture of the transmission line of electricity
And positional information corresponding with the picture；
Defect detection equipment obtains the normal pictures corresponding with the positional information for prestoring according to the positional information, will
The picture is compared with the normal pictures, exports the testing result of the defect of the transmission line of electricity.
2. method according to claim 1, it is characterised in that the picture is compared with the normal pictures, it is defeated
Going out the testing result of the defect of the transmission line of electricity includes：
Gray processing process is carried out to the picture, the binaryzation numerical value of the picture is obtained；
Gray processing process is carried out to the normal pictures, the binaryzation numerical value of the normal pictures is obtained；
Judge whether the binaryzation numerical value of the picture is identical with the binaryzation numerical value of the normal pictures；
When judged result is to be, the normal testing result of the transmission line of electricity is exported, otherwise, export the transmission line of electricity and exist
The testing result of defect.
3. method according to claim 2, it is characterised in that methods described also includes：
When testing result is the transmission line of electricity existing defects, flaw labeling is carried out to the picture.
4. method according to claim 3, it is characterised in that carrying out flaw labeling to the picture includes：
The binaryzation numerical value of the picture region different from the binaryzation numerical value of the normal pictures is determined, as defect area
Domain；
Determine the distance of any point-to-point transmission on the edge of the defect area；
Select the longest distance in the distance as the diameter of the flaw labeling, the center of the diameter is used as the center of circle；
Made to justify on the picture according to the diameter and the center of circle, obtain the picture after flaw labeling.
5. method according to claim 4, it is characterised in that methods described also includes：
The maintenance information corresponding with the positional information for prestoring is obtained according to the positional information, it is described to safeguard packet
Include O＆M unit, line name and bar number；
According to the maintenance information, the picture after the flaw labeling is sent into the O＆M unit, to carry out the transmission of electricity
The maintenance of circuit.
6. it is a kind of detection transmission line of electricity defect detection equipment, it is characterised in that the defect detection equipment includes：
Data sink, for receiving the image information of the transmission line of electricity of described image collecting device transmission, the figure
As information includes the picture and positional information corresponding with the picture of the transmission line of electricity；
Normal pictures acquisition device, for obtaining the mark corresponding with the positional information for prestoring according to the positional information
Quasi- picture；
Defect comparison device, for the picture to be compared with the normal pictures, exports the defect of the transmission line of electricity
Testing result.
7. defect detection equipment according to claim 6, it is characterised in that the defect comparison device includes：
First processing module, for carrying out gray processing process to the picture, obtains the binaryzation numerical value of the picture；
Second processing module, for carrying out gray processing process to the normal pictures, obtains the binaryzation number of the normal pictures
Value；
Numerical value judge module, for judging the binaryzation numerical value of the binaryzation numerical value of the picture and the normal pictures whether phase
Together；
First output module, for when the judged result of the numerical value judge module is to be, exporting the transmission line of electricity normal
Testing result.
Second output module, for when the judged result of the numerical value judge module is no, exporting the transmission line of electricity and existing
The testing result of defect.
8. defect detection equipment according to claim 7, it is characterised in that the defect detection equipment also includes：
Flaw labeling device, during for the testing result that the transmission line of electricity existing defects are exported when the second output module, to institute
Stating picture carries out flaw labeling.
9. defect detection equipment according to claim 8, it is characterised in that the flaw labeling device includes：
Defect area determining module, for determine the binaryzation numerical value of the picture and the normal pictures binaryzation numerical value not
Same region, as defect area；
Marking path determining module, for the distance of any point-to-point transmission on the edge for determining the defect area；
Flag parameters determining module, for selecting the distance in longest distance as the flaw labeling diameter, it is described
The center of diameter is used as the center of circle；
Flaw labeling drafting module, for making to justify on the picture according to the diameter and the center of circle, obtains flaw labeling
Picture afterwards.
10. defect detection equipment according to claim 9, it is characterised in that the defect detection equipment also includes：
O＆M information acquisition device, for obtaining the dimension corresponding with the positional information for prestoring according to the positional information
Shield information, the maintenance information includes O＆M unit, line name and bar number；
O＆M information delivery apparatus, for according to the maintenance information, the picture after the flaw labeling being sent into the fortune
Dimension unit, to carry out the maintenance of the transmission line of electricity.
11. a kind of systems of the defect of detection transmission line of electricity, it is characterised in that the system includes：Flight equipment, IMAQ
The defect detection equipment of equipment and the detection transmission line of electricity as described in claim 6 to 10 any one；
Wherein, the flight equipment, for the flying speed for pre-setting in the flying overhead of the transmission line of electricity；
Described image collecting device, is mounted on the flight equipment, scarce with the detection transmission line of electricity by wireless network
Sunken testing equipment is connected, for gathering the image information of the transmission line of electricity, described image information according to the cycle for pre-setting
Picture and positional information corresponding with the picture including the transmission line of electricity, and described image information is sent to described
The defect detection equipment of detection transmission line of electricity, the cycle is linear with the flying speed；
The defect detection equipment of the detection transmission line of electricity, for receiving described image information, obtains according to the positional information
The normal pictures corresponding with the positional information for prestoring and O＆M information, the picture is carried out with the normal pictures
Compare, export the testing result of the defect of the transmission line of electricity.
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| CN108615232A (en) * | 2018-04-02 | 2018-10-02 | 珠海格力电器股份有限公司 | Method and device for detecting defects of ceramic layer and detection platform |
| CN109031099A (en) * | 2018-08-01 | 2018-12-18 | 深圳市阿拉玎光电自动化有限公司 | A kind of circuit board defect detection system and circuit board defect method for maintaining |
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| CN108615232A (en) * | 2018-04-02 | 2018-10-02 | 珠海格力电器股份有限公司 | Method and device for detecting defects of ceramic layer and detection platform |
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| CN111044149A (en) * | 2019-12-19 | 2020-04-21 | 国网重庆市电力公司电力科学研究院 | Method and device for detecting temperature abnormal point of voltage transformer and readable storage medium |
| CN113741413A (en) * | 2020-05-29 | 2021-12-03 | 广州极飞科技股份有限公司 | Operation method of unmanned equipment, unmanned equipment and storage medium |
| CN113741413B (en) * | 2020-05-29 | 2022-11-08 | 广州极飞科技股份有限公司 | Operation method of unmanned equipment, unmanned equipment and storage medium |
| CN111812545A (en) * | 2020-07-07 | 2020-10-23 | 苏州精濑光电有限公司 | Line defect detection method, device, equipment and medium |
| CN112258466A (en) * | 2020-10-19 | 2021-01-22 | 燕山大学 | Cold-rolled strip vibration line online detection system and method based on gray level processing |
| CN112579540A (en) * | 2020-11-03 | 2021-03-30 | 珠海越亚半导体股份有限公司 | Component mounting position identification method, mounting control method, device and medium |
| CN115314406B (en) * | 2022-07-26 | 2023-10-03 | 国网江苏省电力有限公司淮安供电分公司 | Intelligent defect detection method for power transmission line based on image analysis |
| CN115314406A (en) * | 2022-07-26 | 2022-11-08 | 国网江苏省电力有限公司淮安供电分公司 | Intelligent defect detection method of power transmission line based on image analysis |
| CN115815474A (en) * | 2022-12-01 | 2023-03-21 | 广东新亚光电缆股份有限公司 | Low-voltage wire and intelligent processing system thereof |
| CN115815474B (en) * | 2022-12-01 | 2023-09-15 | 广东新亚光电缆股份有限公司 | Low-voltage wire and intelligent processing system thereof |
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Application publication date: 20170510 |