CN203645284U - Power transmission line defroster based on eddy current effect - Google Patents

Power transmission line defroster based on eddy current effect Download PDF

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Publication number
CN203645284U
CN203645284U CN201420014248.9U CN201420014248U CN203645284U CN 203645284 U CN203645284 U CN 203645284U CN 201420014248 U CN201420014248 U CN 201420014248U CN 203645284 U CN203645284 U CN 203645284U
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CN
China
Prior art keywords
transmission line
main
deicing
power transmission
coil
Prior art date
Application number
CN201420014248.9U
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Chinese (zh)
Inventor
白洋
陈兆权
李会会
程韦
王球
王悦
杜志文
Original Assignee
安徽理工大学
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Application filed by 安徽理工大学 filed Critical 安徽理工大学
Priority to CN201420014248.9U priority Critical patent/CN203645284U/en
Application granted granted Critical
Publication of CN203645284U publication Critical patent/CN203645284U/en

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Abstract

The utility model discloses a power transmission line defroster based on an eddy current effect. The defroster is formed by a driving mechanism, a deicing cover and an apparatus main body. The driving mechanism comprises a driving wheel, a wheel shaft, a driving motor, a support and a load-bearing column. A coil section is laid in the deicing cover. The coil section and a coil section laid in the main body form a complete coil. The deicing cover can be opened along a radial direction of a power transmission line. The apparatus main body comprises a drain hole, a gutter, a high-frequency electric generator, a main control apparatus, a power supply, an ultrasonic wave distance measurement device and a portion coil section. According to the defroster of the utility model, the eddy current effect is used so that the power transmission line generates heat and ice is melted. Deicing efficiency is increased so that the weight of the apparatus is lightened. Power supply of the line is not influenced. A mechanical damage to the line is reduced. The mechanical structure of the apparatus is suitable for being installed in the power transmission line, which is good for stable running of the apparatus and mechanical stabilization of the line. The defroster is convenient and easy to use.

Description

A kind of deicer for power transmission line based on eddy current effect
Technical field
The utility model belongs to deicing high-voltage power transmission line technical field, relates to a kind of deicer for power transmission line based on eddy current effect.
Background technology
Along with the development of China's electrical network scale, building trans-regional interconnected integrated catenet becomes a kind of trend.Multi area interconnection, in bringing all benefits, has also inevitably been drawn some difficult problems.Wherein, how to ensure the safe operation of remote ultra-high-tension power transmission line, especially worth thinking deeply about.
While there is in the winter time ice and snow disaster, ultra-high-tension power transmission line there will be icing phenomenon, and this is that a kind of harm is serious, a difficult problem urgently to be resolved hurrily.Icing has many-sided threat to the safe and stable operation of circuit.With reference to the freezing rain and snow disaster of south China area generation in 2008, icing gently can make the sudden strain of a muscle of insulator ice, conductor galloping, heavy cause the broken string of falling tower accident, cause suitable most area to have a power failure for a long time, transport and communication blocking-up, repairing difficulty, produces to country and people's lives are brought very big impact, and the loss causing is inestimable.Therefore an icing difficult problem that solves transmission line has especially important meaning.
Traditional de-icing method mainly contains thermal ice-melting method and mechanical deicing's method.The thermal effect ice-melt that thermal ice-melting method produces while utilizing circuit to strengthen electric current, can be divided into short circuit ice-melt, excess current de-icing and direct current ice-melt.But this method can cause part line outage, need the cooperation of scheduling, generating and load, implement comparatively inconvenience, efficiency is not high, and cost is larger.Mechanical deicing's method comprises various mechanical device deicing, vibrating deicing and artificial deicing.Mechanical deicing's method operating difficulties, may damage circuit sometimes, and many factors restricted and cannot operation, and particularly artificial deicing danger is larger, not only will have a power failure, and is also subject to the restriction of environment and weather condition, and efficiency is very low.
Summary of the invention
The utility model provides the one can be along power transmission line inspection deicing operation, easy to operate, lightweight, and deicing efficiency is high, does not affect the normal operation of circuit, does not damage circuit, is subject to the deicer for power transmission line based on eddy current effect that the effects limit such as environment are less.The deicing cover of device includes coil, when coil passes into the high-frequency electrical of 20-40KHz, can produce high frequency magnetic field, and magnetic field is along transmission line direction, and the radial section of circuit can induce the eddy current that density is larger, utilizes eddy-current heating to reach deicing object.
In order to address the above problem adopted technical scheme: a kind of deicer for power transmission line based on eddy current effect, mainly comprises driving mechanism, deicing cover and apparatus main body.
The structure of described device is: the each secondary driving wheel of device first and last end; Between two driving wheels, it is wheel shaft; Driving wheel is with drive motors; Drive motors is connected with apparatus main body with load-bearing pillar by support; Before and after main body, respectively open an osculum; In main body, have gutter, be connected respectively with two osculums; Main body middle part is respectively high-frequency electrical generator, master control set and power supply from front to back; Main body top is connected with deicing cover; In deicing cover, lay coil segment; In main body, also lay coil sections section; Back body arranges supersonic range finder.
Described driving mechanism comprises driving wheel, wheel shaft, drive motors, support and load-bearing pillar, between two driving wheels, is wheel shaft, and drive motors invests driving wheel one side, and support is connected with drive motors, and load-bearing pillar is connected with support.
In described deicing cover, lay coil segment, this coil segment and the coil that is laid in the coil segment complete in main body, deicing cover can radially be opened along transmission line.
Described apparatus main body comprises osculum, gutter, high-frequency electrical generator, master control set, power supply, supersonic range finder and coil sections section.
The deicer for power transmission line that the utility model provides, owing to adopting eddy current effect heating ice-melt, promote deicing efficiency, make device lightweight more, do not affect the power supply of circuit, and reduce the mechanical damage to circuit, the mechanical structure of device is suitable for being mounted to transmission line, be beneficial to the stabilized walking of device and the mechanically stable of circuit, adopt range unit to judge deicing state, facilitate easy-to-use.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the anterior view structural representation of deicing cover and driving wheel.
Fig. 3 is device circuit syndeton schematic diagram.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model comprises driving mechanism, deicing cover and apparatus main body; The structure of this device is: be installed on transmission line 1; The each secondary driving wheel 2 of device first and last end; Between two driving wheels 2, it is wheel shaft 14; Driving wheel 2 is with drive motors 3; Drive motors 3 is connected with apparatus main body with load-bearing pillar 5 by support 4; Before and after main body, respectively open an osculum 6; In main body, have gutter 7, be connected respectively with two osculums 6; Main body middle part is respectively high-frequency electrical generator 13, master control set 12 and power supply 10 from front to back; Main body top is connected with deicing cover 8; In deicing cover 8, lay coil segment 9; In main body, also lay coil sections section 9; Back body arranges supersonic range finder 11.
Described driving mechanism (as depicted in figs. 1 and 2) comprises driving wheel 2, wheel shaft 14, drive motors 3, support 4 and load-bearing pillar 5, between two driving wheels 2, it is wheel shaft 14, wheel shaft 14 can separate with driving wheel 2, conveniently be mounted on ice coating wire, drive motors 3 invests driving wheel 2 one sides, support 4 is connected with drive motors 3, and load-bearing pillar 5 is connected with support 4.
In described deicing cover 8 (as depicted in figs. 1 and 2), lay coil segment 9, this coil segment 9 and the coil that is laid in coil segment 9 completes in main body, deicing cover 8 can radially be opened along transmission line 1, is conveniently mounted on transmission line 1, entangle ice coating wire, deicing cover is heat insulation material.
Described apparatus main body (as shown in Figure 1) comprises osculum 6, gutter 7, high-frequency electrical generator 13, master control set 12, power supply 10, supersonic range finder 11 and coil sections section 9, osculum 6 and gutter 7 can remove glacial meltwater by venting, high-frequency electrical generator 13 produces high-frequency current, master control set 12 is controlled drive motors 3 and high-frequency electrical generator 13, power supply 10 is rechargeable battery, supersonic range finder 11 is positioned at back body, detects transmission line 1 thickness by deicing state feedback master control set 12.
When use, as shown in Figure 2, open deicing cover, separate wheel shaft, device is mounted on the transmission line of icing.When operation, the supersonic range finder device for accurately measuring at device rear portion is to ice coating wire distance, and be fed back to master control set, master control set judges ice coating state with this, and control the rotation of drive motors and the work of high-frequency electrical generator, if there is icing, motor stalling, device halts, and high-frequency electrical generator produces the high-frequency current of 20-40KHz and sends into the coil in deicing cover, in deicing cover, can produce the high frequency magnetic field along transmission line direction, this magnetic field induces at the radial section of transmission line the eddy current that density is larger, utilize eddy-current heating to melt icing, melt water can flow to osculum along gutter and discharge, deicing cover is that heat insulation material can reduce heat dissipation, if detect and remove icing by range unit, master control set control drive motors rotation, high-frequency electrical generator quits work, the walking of device line walking.The utility model is simple in structure, light, processing ease, and cost is lower, has practical value.

Claims (3)

1. the deicer for power transmission line based on eddy current effect, is characterized in that, described device utilizes eddy current effect to make transmission line heating ice-melt, and it is made up of driving mechanism, deicing cover and apparatus main body; The structure of this device is: be installed on transmission line (1); The each secondary driving wheel (2) of device first and last end; Between two driving wheels (2), be wheel shaft (14); Driving wheel (2) is with drive motors (3); Drive motors (3) is connected with apparatus main body with load-bearing pillar (5) by support (4); Before and after main body, respectively open an osculum (6); In main body, have gutter (7), be connected respectively with two osculums (6); Main body middle part is respectively high-frequency electrical generator (13), master control set (12) and power supply (10) from front to back; Main body top is connected with deicing cover (8); In deicing cover (8), lay coil segment (9); In main body, also lay coil sections section (9); Back body arranges supersonic range finder (11).
2. the deicer for power transmission line based on eddy current effect according to claim 1, is characterized in that, in described driving mechanism, driving wheel and wheel shaft are separable, are convenient to be mounted on ice coating wire.
3. the deicer for power transmission line based on eddy current effect according to claim 1, is characterized in that, in described deicing cover, lays coil segment, this coil segment and the coil that is laid in the coil segment complete in main body; Deicing cover can radially be opened along transmission line, convenient installation to entangle ice coating wire, and deicing cover is heat insulation material.
CN201420014248.9U 2014-01-09 2014-01-09 Power transmission line defroster based on eddy current effect CN203645284U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420014248.9U CN203645284U (en) 2014-01-09 2014-01-09 Power transmission line defroster based on eddy current effect

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Application Number Priority Date Filing Date Title
CN201420014248.9U CN203645284U (en) 2014-01-09 2014-01-09 Power transmission line defroster based on eddy current effect

Publications (1)

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CN203645284U true CN203645284U (en) 2014-06-11

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105186428A (en) * 2015-09-11 2015-12-23 国家电网公司 Electric power cable de-icing device
CN105406432A (en) * 2015-12-17 2016-03-16 张希梅 Intelligent power supply line maintenance platform
CN105826891A (en) * 2016-06-15 2016-08-03 国网四川省电力公司宜宾供电公司 Wire deicing device
CN105846379A (en) * 2016-04-13 2016-08-10 陕西师范大学 Supersonic wave high voltage line ice removing apparatus
CN107658780A (en) * 2017-10-12 2018-02-02 国家电网公司 Independent suspension type cable clearing apparatus
CN107658782A (en) * 2017-10-12 2018-02-02 国家电网公司 Link hanging type transmission line clearing apparatus
CN107681545A (en) * 2017-10-12 2018-02-09 国家电网公司 Power transmission cable protects and clearing apparatus
CN107732766A (en) * 2017-10-12 2018-02-23 国家电网公司 Transmission line of electricity clearing apparatus
CN107732764A (en) * 2017-10-12 2018-02-23 国家电网公司 Inside sweep formula power transmission cable clearing apparatus
CN107834424A (en) * 2017-10-12 2018-03-23 国家电网公司 Split expansion and shrinkage type power transmission line clearing apparatus
CN110445081A (en) * 2019-07-19 2019-11-12 国家电网有限公司 A kind of hydroenergy storage station capital construction phase electricity consumption transmission line icing intelligence cancellation element

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105186428A (en) * 2015-09-11 2015-12-23 国家电网公司 Electric power cable de-icing device
CN105186428B (en) * 2015-09-11 2017-08-29 国家电网公司 A kind of electric power cable device for expelling ice and snow
CN105406432A (en) * 2015-12-17 2016-03-16 张希梅 Intelligent power supply line maintenance platform
CN105846379A (en) * 2016-04-13 2016-08-10 陕西师范大学 Supersonic wave high voltage line ice removing apparatus
CN105846379B (en) * 2016-04-13 2017-09-29 陕西师范大学 A kind of ultrasonic high pressure line deicer
CN105826891A (en) * 2016-06-15 2016-08-03 国网四川省电力公司宜宾供电公司 Wire deicing device
CN107681545A (en) * 2017-10-12 2018-02-09 国家电网公司 Power transmission cable protects and clearing apparatus
CN107658782A (en) * 2017-10-12 2018-02-02 国家电网公司 Link hanging type transmission line clearing apparatus
CN107658780A (en) * 2017-10-12 2018-02-02 国家电网公司 Independent suspension type cable clearing apparatus
CN107732766A (en) * 2017-10-12 2018-02-23 国家电网公司 Transmission line of electricity clearing apparatus
CN107732764A (en) * 2017-10-12 2018-02-23 国家电网公司 Inside sweep formula power transmission cable clearing apparatus
CN107834424A (en) * 2017-10-12 2018-03-23 国家电网公司 Split expansion and shrinkage type power transmission line clearing apparatus
CN107658780B (en) * 2017-10-12 2019-07-05 国家电网公司 Independent suspension type cable clearing apparatus
CN107658782B (en) * 2017-10-12 2019-07-09 国家电网公司 Link hanging type transmission line clearing apparatus
CN107732764B (en) * 2017-10-12 2019-09-27 国家电网公司 Inside sweep formula power transmission cable clearing apparatus
CN110445081A (en) * 2019-07-19 2019-11-12 国家电网有限公司 A kind of hydroenergy storage station capital construction phase electricity consumption transmission line icing intelligence cancellation element

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EXPY Termination of patent right or utility model
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Granted publication date: 20140611

Termination date: 20150109