CN203479748U - Nondestructive integrated detection system for damage of steel wire and aluminum stranded wire of power transmission line - Google Patents
Nondestructive integrated detection system for damage of steel wire and aluminum stranded wire of power transmission line Download PDFInfo
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- CN203479748U CN203479748U CN201320625085.3U CN201320625085U CN203479748U CN 203479748 U CN203479748 U CN 203479748U CN 201320625085 U CN201320625085 U CN 201320625085U CN 203479748 U CN203479748 U CN 203479748U
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Abstract
The utility model discloses a nondestructive integrated detection system of transmission line steel line aluminum stranded conductor damage, with eddy current detection sensor, magnetostriction detection sensor, magnetic leakage detection sensor integration on high tension transmission line patrols and examines the mechanical motion platform of robot, the remote control mechanical motion platform moves on overhead wire to open the sensor and detect, once only obtain more, more comprehensive defect information of aluminium strand and steel core, carry out quick patrolling and examining and aassessment to the crackle and the disconnected strand of wire, improve the confidence of testing result; the wire damage is detected more accurately and comprehensively, the maintenance quality of the power transmission line is improved, the maintenance operation cost is reduced, and the reliability of power transmission is guaranteed.
Description
Technical field
The utility model relates to Non-Destructive Testing and transmission line of electricity interleaving techniques field, particularly a kind of harmless integrated detection system of transmission line of electricity steel wire aluminum stranded conductor damage.
Background technology
Transmission pressure is the artery of electric power energy, and it stablizes intact very important to the safety of network system.Yet there is the vibration bending stress, the temperature that cause sharply change the chronic fatigue causing, the electric flashover surface damage causing, the problems such as corrosion that filthy environment causes in steel wire aluminum stranded conductor in actual military service process.Thus, the defects such as steel wire aluminum stranded conductor inevitably cracks, disconnected thigh, have a strong impact on the safety that even jeopardizes electrical network.
At present, the crackle of steel wire aluminum stranded conductor and the disconnected burst of corresponding ripe detection means of shortage, eddy-current technique can only detect the outer aluminium thigh of wire, and electromagnetic acoustic and leakage field technology can only detect the steel core of wire, and every single Non-Destructive Testing can not be obtained whole defect information.
Summary of the invention
Technical problem to be solved in the utility model is, not enough for prior art, a kind of harmless integrated detection system of transmission line of electricity steel wire aluminum stranded conductor damage is provided, the multiple Dynamic Non-Destruction Measurements such as comprehensive multifrequency Eddy, electromagnetic acoustic and leakage field, once obtain more, defect information more fully, improve the degree of confidence of testing result, more accurately and all sidedly to wire, damage detects, improve the maintenance quality of transmission line of electricity, reduce the cost of attended operation, and ensure the reliability that electric power is carried.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of harmless integrated detection system of transmission line of electricity steel wire aluminum stranded conductor damage, comprise HV Transmission Line Routing Inspection robot, the mechanical motion platform of described HV Transmission Line Routing Inspection robot is placed on transmission line of electricity, and on described mechanical motion platform, be provided with Eddy Current Testing Transducer, magnetostriction detecting sensor, Magnetic Flux Leakage Inspecting sensor, three signal processing circuits, A/D modular converter, the first computing machine; Described Eddy Current Testing Transducer, magnetostriction detecting sensor, Magnetic Flux Leakage Inspecting sensor respectively access described A/D modular converter by a signal processing circuit, and described A/D modular converter accesses described the first computing machine; Described Eddy Current Testing Transducer, magnetostriction detecting sensor, Magnetic Flux Leakage Inspecting sensor, signal processing circuit, the first computing machine are all connected with the power supply of described mechanical motion platform; Described the first computing machine be arranged on ground second computer and communicate by letter.
Steel-cored aluminium strand is divided into two parts, and outer aluminum stranded conductor is nonferromugnetic material, and steel core is ferrimagnet.Utilize the outer aluminium thigh of eddy-current technique detection wire, utilize the steel core of electromagnetic acoustic and leakage field technology for detection wire.By extracting the general character points such as signal generation, data acquisition, signal amplification, signal demonstration and data storage of three kinds of checkout equipments, by it effective integration in a system platform, and increase independently signal generation, reception and handling part separately and grade, integrated detection when realizing wire.
Compared with prior art, the beneficial effect that the utility model has is: system of the present utility model can be carried out fast inspection to the circuit of being on active service, disposable acquisition is more, the defect information of aluminium thigh and steel core more fully, the crackle of wire and disconnected thigh are patrolled and examined fast and assessed, improve the degree of confidence of testing result; More accurately and all sidedly to wire, damage detects, and has improved the maintenance quality of transmission line of electricity, has reduced the cost of attended operation, has ensured the reliability that electric power is carried.
Accompanying drawing explanation
Fig. 1 is the utility model one example structure block diagram.
Embodiment
As shown in Figure 1, the utility model one embodiment comprises HV Transmission Line Routing Inspection robot, on the mechanical motion platform (being aerial part) of described HV Transmission Line Routing Inspection robot, be provided with Eddy Current Testing Transducer, magnetostriction detecting sensor, Magnetic Flux Leakage Inspecting sensor, three signal processing circuits and (see Rao Guian, Kang Yihua etc. the application [J] of current vortex method in power transmission line damage check. sensor technology, 2001,20 (2): 14-16; Huang Xianglong, Shi Qiaochun. detect the leakage field sensor design [J] of the inner steel core damage of power transmission line. Jingmen Professional School journal, 2005,20 (6): 15-17; Rahmat A. Shoureshi, Sun-Wook Lim, Eli Dolev. Electro-Magnetic-Acoustic Transducers for Automatic Monitoring and Health Assessment of Transmission Line[J] Journal of Dynamic Systems, Measurement and Control, 2004, Vol.126:303-308), A/D modular converter, the first computing machine; Described Eddy Current Testing Transducer, magnetostriction detecting sensor, Magnetic Flux Leakage Inspecting sensor respectively access described A/D modular converter by a signal processing circuit, and described A/D modular converter accesses described the first computing machine; Described Eddy Current Testing Transducer, magnetostriction detecting sensor, Magnetic Flux Leakage Inspecting sensor, signal processing circuit, the first computing machine are all connected with the power supply of described mechanical motion platform; Described the first computing machine be arranged on ground second computer and communicate by letter.
Ground detection personnel's keying line detects robot and moves on wire, and controls the duty of each sensor and the start and stop that real-time online detects software.When robot motion, each sensor, signal processing circuit, A/D modular converter and computer power supply are opened; The signal that sensor records carries out, after A/D conversion, being transferred to computing machine; The online trace routine of computing machine receives after enabling signal, starts to process and storage data.After completing the testing of one section of transmission pressure, by the communication of intercomputer, by the data transmission in computing machine, in the portable machine of ground, off-line observation and analysis detects data and curves, and signal is carried out to analyzing and processing, obtains final testing result.
When aerial condutor is detected, mechanical motion platform is placed on pole line, the movement of control mechanical motion platform realizes the detection of each sensor to aerial condutor.The signal that each sensor detects is arranged on the computing machine on mechanical motion platform by A/D converter input.Each sensor internal diameter is not less than 30mm.
Selected Hunan Province 220kV circuit, the mechanical motion platform of integrated detection system is placed on A phase conductor, testing staff's robot motion platform moves on wire, and open detection sensor detects, after completing the testing of one section of transmission pressure, mechanical motion platform is taken off to derived data analysis result.
In the present embodiment, multifrequency Eddy sensor, sense magnetostriction biography device and Magnetic Flux Leakage Inspecting sensor all can be bought on market; A/D modular converter can adopt TDS3032 module; Robot adopts the HV Transmission Line Routing Inspection robot of Wuhan University's development.
Claims (2)
1. the harmless integrated detection system of transmission line of electricity steel wire aluminum stranded conductor damage, comprise HV Transmission Line Routing Inspection robot, it is characterized in that, the mechanical motion platform of described HV Transmission Line Routing Inspection robot is placed on transmission line of electricity, and on described mechanical motion platform, be provided with Eddy Current Testing Transducer, magnetostriction detecting sensor, Magnetic Flux Leakage Inspecting sensor, three signal processing circuits, A/D modular converter, the first computing machine; Described Eddy Current Testing Transducer, magnetostriction detecting sensor, Magnetic Flux Leakage Inspecting sensor respectively access described A/D modular converter by a signal processing circuit, and described A/D modular converter accesses described the first computing machine; Described Eddy Current Testing Transducer, magnetostriction detecting sensor, Magnetic Flux Leakage Inspecting sensor, signal processing circuit, the first computing machine are all connected with the power supply of described mechanical motion platform; Described the first computing machine be arranged on ground second computer and communicate by letter.
2. the harmless integrated detection system of transmission line of electricity steel wire aluminum stranded conductor damage according to claim 1, is characterized in that, described A/D modular converter model is TDS3032.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320625085.3U CN203479748U (en) | 2013-10-11 | 2013-10-11 | Nondestructive integrated detection system for damage of steel wire and aluminum stranded wire of power transmission line |
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| CN201320625085.3U CN203479748U (en) | 2013-10-11 | 2013-10-11 | Nondestructive integrated detection system for damage of steel wire and aluminum stranded wire of power transmission line |
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| CN203479748U true CN203479748U (en) | 2014-03-12 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483322A (en) * | 2014-12-11 | 2015-04-01 | 长沙理工大学 | Detection system for bridge rope |
| CN105467001A (en) * | 2015-12-18 | 2016-04-06 | 北京工业大学 | Integral MFL (Magnetic Flux Leakage) and eddy current array sensor for detecting copper-coated/aluminum-coated steel shaft type structure |
| CN104215688B (en) * | 2014-08-22 | 2016-09-21 | 国家电网公司 | Can split high voltage transmission line online electromagnetic nondestructive device |
| CN106501672A (en) * | 2016-10-19 | 2017-03-15 | 成都亚联科科技有限公司 | A kind of electric power overhaul high tension cable crust breakage detection system |
| CN111537601A (en) * | 2020-04-26 | 2020-08-14 | 国网浙江省电力有限公司宁波供电公司 | Large-span power transmission line inspection and broken strand detection device and method |
| CN115901528A (en) * | 2022-10-27 | 2023-04-04 | 海南电网有限责任公司海口供电局 | Composite core service life assessment method |
-
2013
- 2013-10-11 CN CN201320625085.3U patent/CN203479748U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215688B (en) * | 2014-08-22 | 2016-09-21 | 国家电网公司 | Can split high voltage transmission line online electromagnetic nondestructive device |
| CN104483322A (en) * | 2014-12-11 | 2015-04-01 | 长沙理工大学 | Detection system for bridge rope |
| CN104483322B (en) * | 2014-12-11 | 2017-05-31 | 长沙理工大学 | The detecting system of bridge rope |
| CN105467001A (en) * | 2015-12-18 | 2016-04-06 | 北京工业大学 | Integral MFL (Magnetic Flux Leakage) and eddy current array sensor for detecting copper-coated/aluminum-coated steel shaft type structure |
| CN106501672A (en) * | 2016-10-19 | 2017-03-15 | 成都亚联科科技有限公司 | A kind of electric power overhaul high tension cable crust breakage detection system |
| CN111537601A (en) * | 2020-04-26 | 2020-08-14 | 国网浙江省电力有限公司宁波供电公司 | Large-span power transmission line inspection and broken strand detection device and method |
| CN111537601B (en) * | 2020-04-26 | 2023-10-20 | 国网浙江省电力有限公司宁波供电公司 | Device and method for inspecting and strand breakage detection of large-span transmission line |
| CN115901528A (en) * | 2022-10-27 | 2023-04-04 | 海南电网有限责任公司海口供电局 | Composite core service life assessment method |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20181011 |