CN101825666B - Method for measuring safety distance between suspension arm of crane and running super high voltage transmission line - Google Patents
Method for measuring safety distance between suspension arm of crane and running super high voltage transmission line Download PDFInfo
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- CN101825666B CN101825666B CN 201010172272 CN201010172272A CN101825666B CN 101825666 B CN101825666 B CN 101825666B CN 201010172272 CN201010172272 CN 201010172272 CN 201010172272 A CN201010172272 A CN 201010172272A CN 101825666 B CN101825666 B CN 101825666B
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- 238000001514 detection method Methods 0.000 claims abstract description 47
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Abstract
Description
Claims (9)
- One kind measure suspension arm of crane and ultra high-tension transmission line safe distance in service method, comprise that electric field intensity detects and laser ranging, it is characterized in that:A, at suspension arm of crane one detecting head is set, on ground or the crane operation chamber one Data Collection display device is set; In detecting head, arrange the high-voltage electric field intensity detection module that consisted of by induction electrode and electric field intensity detecting unit, by laser ranging unit, range finding probe and range finding probe wobble drive cell formation apart from detection module, safe distance comparison module and wireless signal transmitting module; Reception of wireless signals module, data processing module, LED display module and acousto-optic alarm module are set in the Data Collection display device;B, high-voltage electric field intensity detection module detect the electric field intensity around the suspension arm of crane of detecting head place, and testing result is sent into the safe distance comparison module;C, in the safe distance comparison module, electric field intensity signal and the default definite value that detects compared;The power of D, the electric field intensity signal that detects with high-voltage electric field intensity detection module is as " the startup "/"signal for " stop " of laser ranging work;E, when electric field intensity signal is higher than default definite value, safe distance comparison module output " startups " signal, start working in laser ranging unit, range finding probe and the range finding wobble drive unit of popping one's head in;F, range finding probe wobble drive unit drives range finding probe swing, form a hemispherical range finding sweep interval, the range finding probe sends the laser ranging light beam, and receives the distance measuring light beam that returns, and the laser ranging unit is according to the distance measuring light beam output range finding result who sends and return;G, when electric field intensity signal is lower than default definite value, safe distance comparison module output "signal for " stop ", laser ranging unit, range finding probe and range finding probe wobble drive unit quit work, to reduce the electrical source consumption of whole detecting head;H, described high-voltage electric field intensity detection module and/or send to the Data Collection display device in the mode of transmission of wireless signals apart from the testing result of detection module are for showing, report to the police or externally control.
- According to measurement suspension arm of crane claimed in claim 1 and ultra high-tension transmission line safe distance in service method, it is characterized in that in described detecting head bottom magnet being set, make that the formation magnetic adsorption type is fixedly connected with mode between the hardware of detecting head and suspension arm of crane.
- According to measurement suspension arm of crane claimed in claim 1 and ultra high-tension transmission line safe distance in service method, it is characterized in that described range finding probe wobble drive unit drives range finding probe, do the swing on X-axis and/or the Y direction, form a hemispherical range finding sweep interval.
- According to measurement suspension arm of crane claimed in claim 1 and ultra high-tension transmission line safe distance in service method, it is characterized in that described wireless signal transmitting module and the work of reception of wireless signals module Corresponding matching, form the transmission of wireless signals passage between detecting head and the Data Collection display device.
- According to measurement suspension arm of crane claimed in claim 1 and ultra high-tension transmission line safe distance in service method, it is characterized in that in described detecting head, electric battery being set, for high-voltage electric field intensity detection module, provide power supply apart from detection module, safe distance comparison module and wireless signal transmitting module; In described Data Collection display device cigar lighter vehicle power attachment plug in the car is set, for the Data Collection display device provides power supply.
- One kind measure suspension arm of crane and ultra high-tension transmission line safe distance in service device, comprise electric field intensity detecting unit and laser ranging unit, it is characterized in that:At suspension arm of crane one detecting head is set; On ground or the crane operation chamber one Data Collection display device is set; In described detecting head bottom magnet is set, consists of the magnetic adsorption type syndeton between detecting head and the suspension arm of crane; In detecting head, arrange the high-voltage electric field intensity detection module that consisted of by induction electrode and electric field intensity detecting unit, by laser ranging unit, range finding probe and range finding probe wobble drive cell formation apart from detection module, safe distance comparison module and wireless signal transmitting module; Reception of wireless signals module, data processing module, LED display module and acousto-optic alarm module are set in the Data Collection display device; Between described detecting head and Data Collection display device, the wireless data signal transmission channel is set;Wherein, described induction electrode is connected with the signal input part of electric field intensity detecting unit, the signal output part of electric field intensity detecting unit is connected with the signal input part of safe distance comparison module, the signal output part of range finding probe is connected with the signal input part of laser ranging unit, the signal output part of safe distance comparison module is connected with the control input end of laser ranging unit, the signal output part of electric field intensity detecting unit, the signal output part of laser ranging unit is connected signal output part and is connected with the signal input part of wireless signal transmitting module with the safe distance comparison module; Wireless signal is connected between wireless signal transmitting module and the reception of wireless signals module; The signal output part of reception of wireless signals module is connected with the signal input part of data processing module, and the signal output part of data processing module and LED display module are connected signal input part and are connected with the acousto-optic alarm module.
- According to measurement suspension arm of crane claimed in claim 6 and ultra high-tension transmission line safe distance in service device, it is characterized in that described electric field intensity detecting unit is conventional induction type electric field intensity detecting circuit; Described laser ranging unit is the conventional laser stadimeter; Described range finding probe wobble drive unit comprises range finding probe rotation axis, with the affixed X-Y axle sway in both directions mechanism of range finding probe with drive the drive motor of wabbler mechanism; Wobble drive cell operation that described safe distance comparison module comprises amplification and rectification circuit, is used for the digital comparator that detected value and setting value are compared and is used for control laser ranging unit and range finding is popped one's head in open/stop control circuit; Described data processing module is the singlechip CPU circuit; Described LED display module is that 2 LED drive and display circuit; Described sound and light alarm module is conventional sound/optical alarm circuit.
- According to measurement suspension arm of crane claimed in claim 6 and ultra high-tension transmission line safe distance in service device, it is characterized in that in described detecting head, arranging electric battery for high-voltage electric field intensity detection module, provide power supply apart from detection module, safe distance comparison module and wireless signal transmitting module.
- According to measurement suspension arm of crane claimed in claim 6 and ultra high-tension transmission line safe distance in service device, it is characterized in that in described Data Collection display device cigar lighter vehicle power attachment plug in the car being set, for the Data Collection display device provides power supply.
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CN 201010172272 CN101825666B (en) | 2010-05-12 | 2010-05-12 | Method for measuring safety distance between suspension arm of crane and running super high voltage transmission line |
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Families Citing this family (18)
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CN102621402A (en) * | 2012-04-06 | 2012-08-01 | 辽宁省电力有限公司丹东供电公司 | Intelligent safety helmet for controlling distance between human and electric equipment and control method for intelligent safety helmet |
CN102737477B (en) * | 2012-06-13 | 2013-11-06 | 绍兴电力局 | Control method for approaching-proof laser security scanning alarm of high-rise electrified body of transformer substation |
CN102701090B (en) * | 2012-06-13 | 2014-03-26 | 绍兴电力局 | Substation high-rise charged body approach-preventing laser safety scanning alarm |
CN102944728B (en) * | 2012-11-13 | 2015-06-24 | 中国地质大学(武汉) | Drilling electric shock alarm system for trenchless drilling machine |
CN103225242B (en) * | 2012-12-26 | 2015-05-13 | 金鹰重型工程机械有限公司 | Control device for rail lifting mechanism to pass fishplates on railway line automatically |
CN103942913A (en) * | 2014-04-14 | 2014-07-23 | 南通市天源安全设备有限公司 | Intelligent monitoring method for preventing external breakage of constructing machine for power lines |
CN104071715A (en) * | 2014-07-01 | 2014-10-01 | 国家电网公司 | Near-to-high-voltage safety prewarning method for construction hoist |
CN104269023A (en) * | 2014-10-16 | 2015-01-07 | 杭州凯达电力建设有限公司 | Automatic warning device |
CN106842217B (en) * | 2017-01-16 | 2023-06-27 | 中国人民解放***箭军工程大学 | Bidirectional laser wireless ranging system for hoisting |
CN106950435A (en) * | 2017-05-26 | 2017-07-14 | 云南电网有限责任公司电力科学研究院 | A kind of mechanical arm safe distance monitoring device and method |
CN108584711B (en) * | 2018-07-16 | 2020-04-28 | 国家电网公司 | Crane safety distance monitoring system and method |
CN110850454A (en) * | 2019-11-20 | 2020-02-28 | 国网北京市电力公司 | Monitoring system and method for crane working on power transmission and transformation project site |
CN113009244B (en) * | 2019-12-20 | 2023-07-21 | 电力规划总院有限公司 | Calculation method for safety distance of overhead transmission line |
CN111210594A (en) * | 2020-02-13 | 2020-05-29 | 南京工程学院 | Overhead line crane external-damage-prevention safety distance monitoring and alarming method and system |
CN111854586B (en) * | 2020-06-04 | 2021-05-11 | 北京交通大学 | Train pantograph position detection method and device based on electric field intensity change |
CN111722023A (en) * | 2020-06-23 | 2020-09-29 | 广东电网有限责任公司 | Power transmission line positioning device and positioning method |
CN112485502A (en) * | 2020-11-25 | 2021-03-12 | 国网山东省电力公司建设公司 | System and method for determining hoisting electric field intensity threshold of extra-high voltage transformer substation crane |
CN114740274B (en) * | 2022-04-02 | 2023-03-24 | 南通探维光电科技有限公司 | Pulse width measuring method, device and system for laser ranging signal |
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CN101696990A (en) * | 2009-10-20 | 2010-04-21 | 重庆大学 | Method for testing electricity of ultrahigh-voltage transmission line based on electric field measurement and system thereof |
CN201703993U (en) * | 2010-05-12 | 2011-01-12 | 上海市电力公司超高压输变电公司 | Audible and visual alarm for crane elevating limiting |
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CN2172479Y (en) * | 1993-06-17 | 1994-07-20 | 天津铁路分局古冶水电段工会职工技术协会 | Speaking alarming safety helmet when one being close to electricity |
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