CN111398321A - Method for detecting defects of zero-value insulator X-ray of power transmission line by unmanned aerial vehicle - Google Patents
Method for detecting defects of zero-value insulator X-ray of power transmission line by unmanned aerial vehicle Download PDFInfo
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- CN111398321A CN111398321A CN202010321983.4A CN202010321983A CN111398321A CN 111398321 A CN111398321 A CN 111398321A CN 202010321983 A CN202010321983 A CN 202010321983A CN 111398321 A CN111398321 A CN 111398321A
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- insulator
- aerial vehicle
- unmanned aerial
- ray flaw
- transmission line
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
- G01N23/083—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
- G01N23/18—Investigating the presence of flaws defects or foreign matter
Abstract
The invention discloses a method for carrying out X-ray flaw detection on a zero-value insulator of a power transmission line by an unmanned aerial vehicle, which comprises the unmanned aerial vehicle, a measurement and control system and an X-ray flaw detector, wherein the X-ray flaw detector is electrically connected with a control system, the measurement and control system and the X-ray flaw detector are both arranged on the unmanned aerial vehicle, the method utilizes a measuring device consisting of the unmanned aerial vehicle and a camera arranged on the unmanned aerial vehicle to realize multi-angle and omnibearing shooting of the shape of the insulator, and the X-ray flaw detector is used for omnibearing detection of the insulator. The invention has the beneficial effects that: the unmanned detection of the zero-value insulator of the power transmission line can be realized, the workload of line operation and maintenance personnel is greatly reduced, the detection efficiency of the zero-value insulator of the power transmission line is improved, and the tower climbing detection workload and safety risk of the personnel are reduced.
Description
Technical Field
The invention relates to the technical field of insulator detection, in particular to a method for detecting a zero-value insulator X-ray flaw of a power transmission line by an unmanned aerial vehicle.
Background
The insulator is a large-dosage and various-variety part in a power grid, and has an insulating effect and a fixed suspension effect on electrical equipment or conductors. Under the long-term action of factors such as sunlight, mechanical stress, change humiture, strong electric field, filth and the like, when the deterioration of the insulator reaches a certain degree, the insulating property of the insulator is reduced, and the safe operation of a power system is directly influenced. If zero value insulators exist in the insulator string, namely partial insulators are short-circuited, the flashover probability of the string of insulators is greatly increased.
The existing method carries out insulator voltage detection through a robot crawling on an insulator, still needs to manually place the robot on the insulator, still has high labor intensity, low accuracy and the like. Along with the development of unmanned aerial vehicle technique, it does not receive the restriction of topography environment influence, can carry on multiple measuring equipment's advantage for transmission line unmanned aerial vehicle patrols and examines and obtains promoting gradually.
Disclosure of Invention
The invention aims to provide an unmanned aerial vehicle X-ray flaw detection method for a zero-value insulator of a power transmission line, which can realize unmanned detection of the zero-value insulator of the power transmission line, greatly reduce the workload of line operation and maintenance personnel, improve the detection efficiency of the zero-value insulator of the power transmission line and reduce the workload and safety risk of tower climbing detection of the personnel.
The technical scheme of the invention is realized as follows:
an X-ray flaw detection method for an unmanned aerial vehicle on a zero-value insulator of a power transmission line comprises the unmanned aerial vehicle, a measurement and control system and an X-ray flaw detector.
And the X-ray flaw detector is electrically connected with the control system.
The measurement and control system and the X-ray flaw detector are both installed on the unmanned aerial vehicle.
The method utilizes a measuring device consisting of an unmanned aerial vehicle and a camera mounted on the unmanned aerial vehicle to realize multi-angle and all-dimensional shooting of the shape of the insulator and carry out all-dimensional detection on the insulator through the X-ray flaw detector.
Furthermore, the measurement and control system comprises an image sensor, and the image sensor is connected with a wide-angle lens of the camera.
Furthermore, the measurement and control system is matched with the wide-angle lens through the image sensor, outputs full-high-definition 1080P real-time video, and sends the real-time video to the ground control end through the wireless communication network, so that real-time video monitoring and feedback adjustment of zero-value insulator detection work are realized.
A method for detecting a fault of an unmanned aerial vehicle on a zero-value insulator of a power transmission line by X-ray comprises the following steps:
A. controlling an unmanned aerial vehicle to carry out omnibearing shooting on the insulator, starting an X-ray flaw detector, and when the emitted X-rays penetrate through the insulator, because the absorption capacity of a medium in the defect to the X-rays is different from that of the surrounding intact parts, the intensity of the X-rays penetrating through the defective parts is different from that of the surrounding intact parts;
B. the X-ray intensity data attenuated by the insulator is collected by the data collecting part through the receiving detector, high-speed a/d conversion from analog quantity to digital quantity is carried out to form digital information, after one scanning is finished, the next scanning is carried out by rotating an angle, and a plurality of groups of data can be collected after the scanning is repeated.
C. The digital information is corrected, image reconstructed and stored temporarily in a high-speed arithmetic unit, and a real image of a certain section of the detected object can be obtained under the support of the unified management and application software of a computer CPU, so that whether a zero-value insulator exists or not is judged.
The invention has the beneficial effects that: the unmanned detection of the zero-value insulator of the power transmission line can be realized, the workload of line operation and maintenance personnel is greatly reduced, the detection efficiency of the zero-value insulator of the power transmission line is improved, and the tower climbing detection workload and safety risk of the personnel are reduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
According to the embodiment of the invention, the method for the unmanned aerial vehicle to carry out X-ray flaw detection on the zero-value insulator of the power transmission line is provided.
The method for the unmanned aerial vehicle to carry out X-ray flaw detection on the zero-value insulator of the power transmission line comprises the unmanned aerial vehicle, a measurement and control system and an X-ray flaw detector.
And the X-ray flaw detector is electrically connected with the control system.
The measurement and control system and the X-ray flaw detector are both installed on the unmanned aerial vehicle.
The method utilizes a measuring device consisting of an unmanned aerial vehicle and a camera mounted on the unmanned aerial vehicle to realize multi-angle and all-dimensional shooting of the shape of the insulator and carry out all-dimensional detection on the insulator through the X-ray flaw detector.
In one embodiment, the measurement and control system includes an image sensor coupled to a wide-angle lens of the camera.
In one embodiment, the measurement and control system is matched with the wide-angle lens through the image sensor, outputs a full-high-definition 1080P real-time video, and sends the real-time video to the ground control end through the wireless communication network, so that real-time video monitoring and feedback adjustment of zero-value insulator detection work are realized.
A method for detecting a fault of an unmanned aerial vehicle on a zero-value insulator of a power transmission line by X-ray comprises the following steps:
A. controlling an unmanned aerial vehicle to carry out omnibearing shooting on the insulator, starting an X-ray flaw detector, and when the emitted X-rays penetrate through the insulator, because the absorption capacity of a medium in the defect to the X-rays is different from that of the surrounding intact parts, the intensity of the X-rays penetrating through the defective parts is different from that of the surrounding intact parts;
B. the X-ray intensity data attenuated by the insulator is collected by the data collecting part through the receiving detector, high-speed a/d conversion from analog quantity to digital quantity is carried out to form digital information, after one scanning is finished, the next scanning is carried out by rotating an angle, and a plurality of groups of data can be collected after the scanning is repeated.
C. The digital information is corrected, image reconstructed and stored temporarily in a high-speed arithmetic unit, and a real image of a certain section of the detected object can be obtained under the support of the unified management and application software of a computer CPU, so that whether a zero-value insulator exists or not is judged.
Specifically, according to the technical scheme, the X-ray flaw detector is electrically connected with the control system through the unmanned aerial vehicle, the measurement and control system and the X-ray flaw detector are both installed on the unmanned aerial vehicle, the method utilizes the measuring device consisting of the unmanned aerial vehicle and the camera installed on the unmanned aerial vehicle to realize multi-angle and all-directional shooting of the shape of the insulator, and the insulator is detected in all directions through the X-ray flaw detector. The unmanned detection of the zero-value insulator of the power transmission line can be realized, the workload of line operation and maintenance personnel is greatly reduced, the detection efficiency of the zero-value insulator of the power transmission line is improved, and the tower climbing detection workload and safety risk of the personnel are reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A method for detecting a fault by an unmanned aerial vehicle on a zero-value insulator X-ray of a power transmission line is characterized by comprising the unmanned aerial vehicle, a measurement and control system and an X-ray flaw detector;
the X-ray flaw detector is electrically connected with the control system;
the measurement and control system and the X-ray flaw detector are both arranged on an unmanned aerial vehicle;
the method utilizes a measuring device consisting of an unmanned aerial vehicle and a camera mounted on the unmanned aerial vehicle to realize multi-angle and all-dimensional shooting of the shape of the insulator and carry out all-dimensional detection on the insulator through the X-ray flaw detector.
2. The method for the X-ray flaw detection of the null insulator of the power transmission line by the unmanned aerial vehicle according to claim 1, wherein the measurement and control system comprises an image sensor, and the image sensor is connected with a wide-angle lens of the camera.
3. The method for the X-ray flaw detection of the null insulator of the power transmission line by the unmanned aerial vehicle according to claim 2, wherein the measurement and control system is matched with a wide-angle lens through an image sensor, outputs a full-high-definition 1080P real-time video, and sends the real-time video to a ground control end through a wireless communication network, so that real-time video monitoring and feedback adjustment of detection work of the null insulator are realized.
4. The method for the X-ray flaw detection of the zero-value insulator of the power transmission line by the unmanned aerial vehicle according to claim 1, which is characterized by comprising the following steps:
A. controlling an unmanned aerial vehicle to carry out omnibearing shooting on the insulator, starting an X-ray flaw detector, and when the emitted X-rays penetrate through the insulator, because the absorption capacity of a medium in the defect to the X-rays is different from that of the surrounding intact parts, the intensity of the X-rays penetrating through the defective parts is different from that of the surrounding intact parts;
B. the X-ray intensity data attenuated by the insulator is collected by a data collecting part through a receiving detector, high-speed a/d conversion from analog quantity to digital quantity is carried out to form digital information, after one scanning is finished, the next scanning is carried out by rotating an angle, and a plurality of groups of data can be collected after the scanning is repeated;
C. the digital information is corrected, image reconstructed and stored temporarily in a high-speed arithmetic unit, and a real image of a certain section of the detected object can be obtained under the support of the unified management and application software of a computer CPU, so that whether a zero-value insulator exists or not is judged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010321983.4A CN111398321A (en) | 2020-04-22 | 2020-04-22 | Method for detecting defects of zero-value insulator X-ray of power transmission line by unmanned aerial vehicle |
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| CN202010321983.4A CN111398321A (en) | 2020-04-22 | 2020-04-22 | Method for detecting defects of zero-value insulator X-ray of power transmission line by unmanned aerial vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112051282A (en) * | 2020-08-18 | 2020-12-08 | 国网山东省电力公司临沂供电公司 | Electrified X-ray flaw detection device and method for splicing sleeve of overhead transmission line |
| CN113346620A (en) * | 2021-06-11 | 2021-09-03 | 国网湖北省电力有限公司黄石供电公司 | Power transmission line intelligent inspection system and method based on cooperative unmanned aerial vehicle |
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| CN113346620A (en) * | 2021-06-11 | 2021-09-03 | 国网湖北省电力有限公司黄石供电公司 | Power transmission line intelligent inspection system and method based on cooperative unmanned aerial vehicle |
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