CN106124945A - The defect of high voltage electric equipment determines method and apparatus - Google Patents
The defect of high voltage electric equipment determines method and apparatus Download PDFInfo
- Publication number
- CN106124945A CN106124945A CN201610574702.XA CN201610574702A CN106124945A CN 106124945 A CN106124945 A CN 106124945A CN 201610574702 A CN201610574702 A CN 201610574702A CN 106124945 A CN106124945 A CN 106124945A
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- defect
- ultraviolet
- default
- high voltage
- ultraviolet imagery
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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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
Abstract
The present invention discloses the defect of a kind of high voltage electric equipment and determines method and apparatus.Method includes: obtain ultraviolet detection image and the detecting distance at each position of high voltage electric equipment；Ultraviolet imagery area is determined by ultraviolet detection image；Presetting computing formula according to first, calculate the target ultraviolet imagery area corresponding with ultraviolet imagery area, the detecting distance that target ultraviolet imagery area is corresponding is the default detecting distance corresponding with default computing formula；In default corresponding relation, searching defect corresponding with position and target ultraviolet imagery area respectively, default corresponding relation includes, every kind of defect at each position of high voltage electric equipment and the target ultraviolet imagery area corresponding with described defect.The technical scheme that the present invention provides, it is possible to be more accurately determined the defect of high voltage electric equipment, thus be conducive in time the defect of high voltage electric equipment effectively being assessed and being processed, it is possible to preferably ensure the safe operation of power system.
Description
Technical field
The present invention relates to high voltage electric equipment detection technique field, the defect particularly relating to a kind of high voltage electric equipment determines
Method and apparatus.
Background technology
High voltage electric equipment long-term work in power system in high voltage and relatively rugged environment, long-term electricity,
Inevitably there will be the defects such as damage and deterioration under the effect of heat, mechanical stress and environmental factors, find in time and get rid of
Defect, is conducive to safeguarding the safe operation of power system.
But, in current technology, it is impossible to accurately determine the defect of high voltage electric equipment, i.e. it is difficult to high-voltage electrical apparatus is set
Standby defect is effectively assessed, consequently, it is possible to cause processing defect not in time, causes potential safety hazard.
Summary of the invention
In view of this, the defect that the invention provides a kind of high voltage electric equipment determines method and apparatus, it is possible to more essence
Really determine the defect of high voltage electric equipment, thus be conducive in time the defect of high voltage electric equipment effectively being assessed and being located
Reason, it is possible to preferably ensure the safe operation of power system.
For achieving the above object, the present invention provides following technical scheme:
The defect of a kind of high voltage electric equipment determines method, including:
Obtain ultraviolet detection image and the detecting distance at described each position of high voltage electric equipment, described ultraviolet detection image
Obtained by ultraviolet imager detection；
Ultraviolet imagery area is determined by described ultraviolet detection image；
Preset computing formula according to first, calculate the target ultraviolet imagery area corresponding with described ultraviolet imagery area,
The detecting distance that described target ultraviolet imagery area is corresponding is the default detecting distance corresponding with described default computing formula；
In default corresponding relation, search corresponding with described position and described target ultraviolet imagery area respectively lacking
Falling into, described default corresponding relation includes, every kind of defect at described each position of high voltage electric equipment, and relative with described defect
The described target ultraviolet imagery area answered, described defect includes defect type and defect level.
Preferably, described foundation first presets computing formula, calculates the target corresponding with described ultraviolet imagery area purple
Before outer imaging area, also include:
Obtain described default detecting distance and described first and preset computing formula.
Preferably, described in default corresponding relation, search respectively with described position and described target ultraviolet imagery area
Before corresponding defect, also include:
Obtain described default corresponding relation.
Preferably, described default detecting distance is 10 meters, and the most described first presets computing formula is:
s0=a s db；
Wherein, s0Representing described target ultraviolet imagery area, s represents described ultraviolet imagery area, d represent described detection away from
From, a and b is predetermined constant.
Preferably, described high voltage electric equipment includes:
Porcelain insulator and/or glass insulator；
Described porcelain insulator includes chapeau de fer, porcelain insulator body and ferrum foot；
Described glass insulator includes chapeau de fer, glass insulator body and ferrum foot.
The defect of a kind of high voltage electric equipment determines device, including:
First acquisition module, for obtain described each position of high voltage electric equipment ultraviolet detection image and detection away from
From, described ultraviolet detection image is obtained by ultraviolet imager detection；
Determine module, for being determined ultraviolet imagery area by described ultraviolet detection image；
Computing module, for presetting computing formula according to first, calculates the target corresponding with described ultraviolet imagery area
Ultraviolet imagery area, the detecting distance that described target ultraviolet imagery area is corresponding is corresponding with described default computing formula pre-
If detecting distance；
Search module, in default corresponding relation, search respectively with described position and described target ultraviolet imagery face
Long-pending corresponding defect, described default corresponding relation includes, every kind of defect at described each position of high voltage electric equipment, Yi Jiyu
The described target ultraviolet imagery area that described defect is corresponding, described defect includes defect type and defect level.
Preferably, also include:
Second acquisition module, is used for obtaining described default detecting distance and described first and presets computing formula.
Preferably, also include:
3rd acquisition module, is used for obtaining described default corresponding relation.
Preferably, presetting detecting distance described in described computing module is 10 meters, institute's foundation in the most described computing module
First presets computing formula is:
s0=a s db；
Wherein, s0Representing described target ultraviolet imagery area, s represents described ultraviolet imagery area, d represent described detection away from
From, a and b is predetermined constant.
Understand via above-mentioned technical scheme, compared with prior art, the invention provides a kind of high voltage electric equipment
Defect determines method and apparatus.The present invention provide technical scheme, first obtain high voltage electric equipment ultraviolet detection image and
Detecting distance, described ultraviolet detection image is obtained by ultraviolet imager detection, is then determined ultraviolet by described ultraviolet detection image
Imaging area, presets computing formula according to first, calculates the target ultraviolet imagery area corresponding with described ultraviolet imagery area,
The detecting distance that described target ultraviolet imagery area is corresponding is the default detecting distance corresponding with described default computing formula,
After in default corresponding relation, search defect corresponding with described position and described target ultraviolet imagery area respectively, described
Default corresponding relation includes, every kind of defect at described each position of high voltage electric equipment, and the institute corresponding with described defect
Stating target ultraviolet imagery area, described defect includes defect type and defect level.It is to say, the technical side that the present invention provides
Case, it is possible to be more accurately determined the defect of high voltage electric equipment, thus be conducive in time the defect of high voltage electric equipment being entered
Row effectively assessment and process, it is possible to preferably ensure the safe operation of power system.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
The defect of a kind of high voltage electric equipment that Fig. 1 provides for the embodiment of the present invention determines the flow chart of method；
The defect of a kind of high voltage electric equipment that Fig. 2 provides for the embodiment of the present invention determines the structure chart of device.
Detailed description of the invention
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
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, real with concrete below in conjunction with the accompanying drawings
The present invention is further detailed explanation to execute mode.
Embodiment
The defect referring to a kind of high voltage electric equipment that Fig. 1, Fig. 1 provide for the embodiment of the present invention determines the flow process of method
Figure.As it is shown in figure 1, the method includes:
Step S101, obtains ultraviolet detection image and the detecting distance at described each position of high voltage electric equipment；
Concrete, described ultraviolet detection image is obtained by ultraviolet imager detection.
Concrete, described detecting distance refers to when detection occurs the ultraviolet that the described high-voltage electrical equipment of defect sends,
Described ultraviolet imager and described high-voltage electrical equipment distance therebetween.
Optionally, the technical scheme that the embodiment of the present invention provides, the inspection of described ultraviolet imager uses CoroCAM504 model
Ultraviolet imager.
Step S102, is determined ultraviolet imagery area by described ultraviolet detection image；
Concrete, determine the area of described ultraviolet detection image medium ultraviolet imaging moiety.
Step S103, presets computing formula according to first, calculates the target ultraviolet corresponding with described ultraviolet imagery area
Imaging area；
Concrete, detecting distance that described target ultraviolet imagery area is corresponding is that to preset computing formula with described first relative
The default detecting distance answered.It is to say, described first presets computing formula and applies to the calculating of described default detecting distance
Formula, is preset, by described first, the ultraviolet that when detecting distance can be described default detecting distance by computing formula, detection obtains
Imaging area, is converted to the ultraviolet imagery area that detecting distance is corresponding equal to during described default detecting distance, and the most described target is purple
Outer imaging area.
It should be noted that in practical engineering application, described ultraviolet imager and described both high-voltage electrical equipments it
Between distance, i.e. detecting distance, be generally individually smaller than described default detecting distance.
Optionally, described default detecting distance is 10 meters.
Concrete, inventor calculates, eventually through Mathematical Fitting algorithm, it is determined that public affairs through a large amount of at laboratory
Formula, the ultraviolet imagery area under the conditions of described for all differences detecting distance (less than 10 meters) can be converted to 10 meters of inspections by this formula
Find range under ultraviolet imagery area, this formula is:
s0=a s db； (1)
Wherein, s0Representing described target ultraviolet imagery area, s represents described ultraviolet imagery area, d represent described detection away from
From, a and b is predetermined constant.
During it is to say, described default detecting distance is 10 meters, described first presets computing formula is above-mentioned (1) formula.
Step S104, in default corresponding relation, search respectively with described position and described target ultraviolet imagery area phase
Corresponding defect；
Concrete, described default corresponding relation includes: every kind of defect at described each position of high voltage electric equipment, Yi Jiyu
The described target ultraviolet imagery area that described defect is corresponding；Described defect includes defect type and defect level.
Concrete, described default corresponding relation is preset by user, can be to be the right of form or other forms
Should be related to, in a tabular form as a example by, ask for an interview table 1 (please vide infra), table 1 shows a kind of form of described default corresponding relation,
It is, of course, understood that other form can also be used, the present invention does not limits.
Table 1 suspension type porcelain/glass insulator defect diagonsis criterion (observed range 10m, gain 70%)
Concrete, described gain 70% refers to the gain of the imaging of described ultraviolet imager.
Optionally, described high voltage electric equipment includes porcelain insulator and glass insulator etc.；Described porcelain insulator includes ferrum
Cap, porcelain insulator body and ferrum foot；Described glass insulator includes chapeau de fer, glass insulator body and ferrum foot.
The embodiment of the present invention provide technical scheme, first obtain high voltage electric equipment ultraviolet detection image and detection away from
From, described ultraviolet detection image is obtained by ultraviolet imager detection, is then determined ultraviolet imagery face by described ultraviolet detection image
Long-pending, preset computing formula according to first, calculate the target ultraviolet imagery area corresponding with described ultraviolet imagery area, described mesh
The detecting distance that mark ultraviolet imagery area is corresponding is the default detecting distance corresponding with described default computing formula, finally in advance
If in corresponding relation, search defect corresponding with described position and described target ultraviolet imagery area respectively, described default right
Should be related to and include, every kind of defect at described each position of high voltage electric equipment, and the described target corresponding with described defect
Ultraviolet imagery area, described defect includes defect type and defect level.It is to say, the technical side that the embodiment of the present invention provides
Case, it is possible to be more accurately determined the defect of high voltage electric equipment, thus be conducive in time the defect of high voltage electric equipment being entered
Row effectively assessment and process, it is possible to preferably ensure the safe operation of power system.
Optionally, the technical scheme that another embodiment of the present invention provides, before described step S103, also include:
Obtain described default detecting distance and described first and preset computing formula.
Optionally, the technical scheme that another embodiment of the present invention provides, before described step S104, also include:
Obtain described default corresponding relation.
In order to illustrate the technical scheme that the present invention provides more fully hereinafter, the high-tension electricity provided corresponding to the embodiment of the present invention
The defect of gas equipment determines that method, the present invention disclose the defect of a kind of high voltage electric equipment and determine device.
The defect referring to a kind of high voltage electric equipment that Fig. 2, Fig. 2 provide for the embodiment of the present invention determines the structure of device
Figure.As in figure 2 it is shown, this device includes:
First acquisition module 201, for obtaining ultraviolet detection image and the detection at described each position of high voltage electric equipment
Distance, described ultraviolet detection image is obtained by ultraviolet imager detection；
Determine module 202, for being determined ultraviolet imagery area by described ultraviolet detection image；
Computing module 203, for presetting computing formula according to first, calculates the mesh corresponding with described ultraviolet imagery area
Mark ultraviolet imagery area, the detecting distance that described target ultraviolet imagery area is corresponding is corresponding with described default computing formula
Preset detecting distance；
Optionally, presetting detecting distance described in described computing module 203 is 10 meters, institute in the most described computing module 203
The first of foundation presets computing formula:
s0=a s db；
Wherein, s0Representing described target ultraviolet imagery area, s represents described ultraviolet imagery area, d represent described detection away from
From, a and b is predetermined constant.
Search module 204, in default corresponding relation, search respectively with described position and described target ultraviolet imagery
The defect that area is corresponding, described default corresponding relation includes, every kind of defect at described each position of high voltage electric equipment, and
The described target ultraviolet imagery area corresponding with described defect, described defect includes defect type and defect level.
The defect of the high voltage electric equipment that the application embodiment of the present invention provides determines device, it is possible to be more accurately determined height
The defect of voltage electrical equipment, thus be conducive in time the defect of high voltage electric equipment effectively being assessed and being processed, it is possible to more
The good safe operation ensureing power system.
Optionally, the defect of the high voltage electric equipment that another embodiment of the present invention provides determines device, also includes:
Second acquisition module, is used for obtaining described default detecting distance and described first and presets computing formula.
Optionally, the defect of the high voltage electric equipment that another embodiment of the present invention provides determines device, also includes:
3rd acquisition module, is used for obtaining described default corresponding relation.
Understand via above-mentioned technical scheme, compared with prior art, the invention provides a kind of high voltage electric equipment
Defect determines method and apparatus.The present invention provide technical scheme, first obtain high voltage electric equipment ultraviolet detection image and
Detecting distance, described ultraviolet detection image is obtained by ultraviolet imager detection, is then determined ultraviolet by described ultraviolet detection image
Imaging area, presets computing formula according to first, calculates the target ultraviolet imagery area corresponding with described ultraviolet imagery area,
The detecting distance that described target ultraviolet imagery area is corresponding is the default detecting distance corresponding with described default computing formula,
After in default corresponding relation, search defect corresponding with described position and described target ultraviolet imagery area respectively, described
Default corresponding relation includes, every kind of defect at described each position of high voltage electric equipment, and the institute corresponding with described defect
Stating target ultraviolet imagery area, described defect includes defect type and defect level.It is to say, the technical side that the present invention provides
Case, it is possible to be more accurately determined the defect of high voltage electric equipment, thus be conducive in time the defect of high voltage electric equipment being entered
Row effectively assessment and process, it is possible to preferably ensure the safe operation of power system.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or operation
Between exist any this reality relation or order.And, term " includes ", " comprising " or its any other variant meaning
Containing comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that
A little key elements, but also include other key elements being not expressly set out, or also include for this process, method, article or
The key element that equipment is intrinsic.In the case of there is no more restriction, statement " including ... " key element limited, do not arrange
Except there is also other identical element in including the process of described key element, method, article or equipment.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, identical similar portion sees mutually.For device disclosed in embodiment
For, owing to it corresponds to the method disclosed in Example, so describe is fairly simple, relevant part sees method part and says
Bright.
The method described in conjunction with the embodiments described herein or the step of algorithm can direct hardware, processor be held
The software module of row, or the combination of the two implements.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Other shape any well known in reservoir (ROM), electrically programmable ROM, electrically erasable ROM, depositor or technical field
In the storage medium of formula.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (9)
1. the defect of a high voltage electric equipment determines method, it is characterised in that including:
Obtaining ultraviolet detection image and the detecting distance at described each position of high voltage electric equipment, described ultraviolet detection image is by purple
The detection of outer imager obtains；
Ultraviolet imagery area is determined by described ultraviolet detection image；
Preset computing formula according to first, calculate the target ultraviolet imagery area corresponding with described ultraviolet imagery area, described
The detecting distance that target ultraviolet imagery area is corresponding is the default detecting distance corresponding with described default computing formula；
In default corresponding relation, search defect corresponding with described position and described target ultraviolet imagery area respectively, institute
State default corresponding relation to include, every kind of defect at described each position of high voltage electric equipment, and corresponding with described defect
Described target ultraviolet imagery area, described defect includes defect type and defect level.
Method the most according to claim 1, it is characterised in that described foundation first presets computing formula, calculates with described
Before the target ultraviolet imagery area that ultraviolet imagery area is corresponding, also include:
Obtain described default detecting distance and described first and preset computing formula.
Method the most according to claim 1, it is characterised in that described in default corresponding relation, searches respectively with described
Before the defect that position is corresponding with described target ultraviolet imagery area, also include:
Obtain described default corresponding relation.
Method the most according to claim 1 and 2, it is characterised in that described default detecting distance is 10 meters, the most described first
Default computing formula is:
s0=a s db；
Wherein, s0Representing described target ultraviolet imagery area, s represents described ultraviolet imagery area, and d represents described detecting distance, a
It is predetermined constant with b.
Method the most according to claim 1, it is characterised in that described high voltage electric equipment includes:
Porcelain insulator and/or glass insulator；
Described porcelain insulator includes chapeau de fer, porcelain insulator body and ferrum foot；
Described glass insulator includes chapeau de fer, glass insulator body and ferrum foot.
6. the defect of a high voltage electric equipment determines device, it is characterised in that including:
First acquisition module, for obtaining ultraviolet detection image and the detecting distance at described each position of high voltage electric equipment, institute
State ultraviolet detection image to be obtained by ultraviolet imager detection；
Determine module, for being determined ultraviolet imagery area by described ultraviolet detection image；
Computing module, for presetting computing formula according to first, calculates the target ultraviolet corresponding with described ultraviolet imagery area
Imaging area, the detecting distance that described target ultraviolet imagery area is corresponding is the default inspection corresponding with described default computing formula
Find range from；
Search module, in default corresponding relation, search respectively with described position and described target ultraviolet imagery area phase
Corresponding defect, described default corresponding relation includes, every kind of defect at described each position of high voltage electric equipment, and with described
The described target ultraviolet imagery area that defect is corresponding, described defect includes defect type and defect level.
Device the most according to claim 6, it is characterised in that also include:
Second acquisition module, is used for obtaining described default detecting distance and described first and presets computing formula.
Device the most according to claim 6, it is characterised in that also include:
3rd acquisition module, is used for obtaining described default corresponding relation.
9. according to the device described in claim 6 or 7, it is characterised in that presetting detecting distance described in described computing module is
10 meters, in the most described computing module, the first of institute's foundation presets computing formula and is:
s0=a s db；
Wherein, s0Representing described target ultraviolet imagery area, s represents described ultraviolet imagery area, and d represents described detecting distance, a
It is predetermined constant with b.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610574702.XA CN106124945A (en) | 2016-07-19 | 2016-07-19 | The defect of high voltage electric equipment determines method and apparatus |
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| CN201610574702.XA CN106124945A (en) | 2016-07-19 | 2016-07-19 | The defect of high voltage electric equipment determines method and apparatus |
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| CN113884500A (en) * | 2021-10-12 | 2022-01-04 | 国家电网有限公司 | Porcelain insulator defect detection method based on ultraviolet imaging |
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