CN105958411A - High-voltage power-line conductor self-heating deicing method and device - Google Patents
High-voltage power-line conductor self-heating deicing method and device Download PDFInfo
- Publication number
- CN105958411A CN105958411A CN201610249012.7A CN201610249012A CN105958411A CN 105958411 A CN105958411 A CN 105958411A CN 201610249012 A CN201610249012 A CN 201610249012A CN 105958411 A CN105958411 A CN 105958411A
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- China
- Prior art keywords
- conductor
- wire
- outer layer
- icing
- conducting wires
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a high-voltage power-line conductor self-heating deicing method and device. The device comprises a deicing conductor and an icing monitoring unit. The deicing conductor comprises a steel conductor core and an aluminum conductor wound on the steel conductor core. Two or more inner conductors having surfaces coated with insulating paint are wound on an inner layer of the aluminum conductor along the winding direction of the aluminum conductor, and two or more outer conductors having surfaces coated with insulating paint are wound on an outer layer of the aluminum conductor along the direction opposite to the winding direction of the inner conductors. The invention adopts the principle that a metal conductor forms eddy-current heating in a current-carrying conductor to realize the aim of self-heating deicing of power lines without power failure. Compared with the existing direct-current deicing technology, the invention has the advantages that the structure is simple, the deicing cost is low, high safety and reliability is achieved, time and labor are saved, all operation is completed automatically, power failure and human intervention are avoided, safety incidents are prevented and power loss and power consumption are reduced.
Description
Technical field
The present invention relates to a kind of high-voltage power line line conductor spontaneous heating de-icing method and device, belong to electrical engineering technology neck
Territory.
Background technology
Along with DC de-icing device is extensively applied in power system, during ice-melt, obtain the same of good effect
Time, problems with also occurs: 1, in a circuit, due to the difference in geographical position, the icing situation of the span of each circuit
Different (unless as that serious ice damage in 2008), according in recent years it has been observed that the icing of a circuit
Serious place appears in 1～2 span that geographical position is of a relatively high, and whole circuit need to be carried out by DC ice melting technology
High current is executed in short circuit, and the circuit not having icing is damaged by this, causes the wire annealing of wire, and intensity reduces；2, need
Whole circuit had a power failure, not only to operate time-consuming, laborious, need to put into substantial amounts of manpower and materials, and have one
Fixed security risk；3, in deicing processes, consume substantial amounts of electric energy, and the reliability of electrical network reduces.The most current direct current
There is a lot of drawback in ice-melting mode, it is impossible to meets ice-melt demand.
Summary of the invention
It is an object of the invention to, it is provided that a kind of simple in construction, ice-melt low cost, safe and reliable, without have a power failure high pressure
Power line lead spontaneous heating de-icing method and device, to overcome deficiency of the prior art.
Technical scheme: a kind of high-voltage power line line conductor spontaneous heating de-icing method, first at high-voltage conducting wires
Internal layer is wound around two or the inner conductor of many root tables topcoating insullac along former wire winding direction, then on the outer layer of former wire
It is wound around two piece contrary with inner conductor winding direction or the outer layer conductor of many root tables topcoating insullac, in one end of high-voltage conducting wires
Inner conductor is shorted together with outer layer conductor, and the other end of inner conductor and outer layer conductor is connected on respectively icing monitoring
On two contacts of device, finally device for monitoring icing is connected between high-voltage electric power circuit insulator and high-voltage conducting wires；When
During high-voltage conducting wires icing, the weight of high-voltage conducting wires increases, and promotes two closings of contact on device for monitoring icing to connect, so that
The ectonexine wire being arranged on high-voltage conducting wires forms closed-loop path and produces eddy current, causes conductor overheating to melt high-voltage conducting wires
On icing, when on high-voltage conducting wires icing dissolve after, high-voltage conducting wires lightens, device for monitoring icing recover to normal condition, make
Contact disconnects, and now wire can not form closed-loop path and recover to normality.
Meanwhile, the present invention also provides for a kind of high-voltage power line line conductor spontaneous heating deicing device built by said method,
Including ice-melt wire and device for monitoring icing, described ice-melt wire is by wire-core and the aluminum conductor being wrapped on wire-core
Constituting, the internal layer that the internal layer at aluminum conductor is wound with two or many root tables topcoating insullac along the winding direction of aluminum conductor is led
Line, is wound with two contrary with inner conductor winding direction piece or the outer layer of many root tables topcoating insullac on the outer layer of aluminum conductor
Wire；Described device for monitoring icing includes closed case, be respectively arranged with at the two ends of closed case steady brace and
Active pull rod, the end of active pull rod is connected with the spring in closed case, is fixed with in the bar portion of active pull rod with movable
The double end contact of pull bar insulation, is respectively arranged with two contacts, Qi Zhongyi at double end contact in the end of closed case
Individual contact is connected with the inner conductor on ice-melt wire, and another contact is connected with the outer layer conductor on ice-melt wire, and internal layer
Wire is shorted together with the other end of outer layer conductor.
Described ice-melt wire is to be made up of the aluminum conductor of wire-core with more than 3 layers be wrapped on wire-core, and internal layer is led
Line is wrapped between the aluminum conductor of innermost layer, and outer layer conductor is wrapped between time outer layer aluminum conductor.
Described inner conductor and outer layer conductor are isometrical with aluminum conductor and isometric.
Described closed case is provided with metal expander with the junction of active pull rod, is moving for active pull rod
During movable sealing.
It is filled with SF in described closed case6Gas is used for arc extinguishing, is equiped with pneumatic head on closed case outer wall.
Owing to using technique scheme, it is an advantage of the current invention that:
1, the present invention utilizes plain conductor to form eddy-current heating principle at current－carrying conductor, it is achieved the power circuit spontaneous heating that do not has a power failure is melted
The purpose of ice；
2, compared with existing DC ice melting technology, present configuration is simple, ice-melt low cost, safe and reliable, time saving and energy saving, and one
Cut and be automatically performed, need not have a power failure and artificially participate in, it is to avoid the generation of security incident；
3, the present invention is capable of segmentation ice-melt, the wire damage that will not cause because of DC ice melting；
4, the present invention is capable of automatic defrosting, and reliable, is the most also avoided that and brings risk because having a power failure to power system,
Reduce loss of outage and the consumption of electric energy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of ice-melt wire in the present invention.
Description of reference numerals: 1-wire-core, 2-aluminum conductor, 3-inner conductor, the outer layer conductor of 4-, 5-closed case, 6-
Steady brace, 7-active pull rod, 8-metal expander, 9-spring, 10-double end contact, 11-contact, 12-pneumatic head.
Detailed description of the invention
In order to make the object of the invention, technical scheme and advantage clearer, below in conjunction with the accompanying drawings with embodiment to the present invention
It is described in further detail.
Embodiments of the invention: the structural representation of high-voltage power line line conductor spontaneous heating deicing device is as it is shown in figure 1, wrap
Including ice-melt wire and device for monitoring icing, see Fig. 2, described ice-melt wire is by wire-core 1 and to be wrapped on wire-core 1
4 layers of aluminum conductor 2 constitute, be wound with two root table topcoating insullac in the innermost layer of aluminum conductor 2 along the winding direction of aluminum conductor 2
Inner conductor 3, the secondary outer layer at aluminum conductor 2 is wound with the two root table topcoating insullac contrary with inner conductor 3 winding direction
Outer layer conductor 4, described inner conductor 3 and outer layer conductor 4 are isometrical with aluminum conductor 2 and isometric；Described icing monitoring dress
Put and include closed case 5, be respectively arranged with steady brace 6 and active pull rod 7, active pull rod 7 at the two ends of closed case 5
End be connected with the spring 9 in closed case 5, be fixed with in the bar portion of active pull rod 7 and active pull rod 7 insulation double end
Contact 10, is respectively arranged with two contacts 11, one of them contact 11 at double end contact 10 in the end of closed case 5
Being connected with the inner conductor 3 on ice-melt wire, another contact 11 is connected with the outer layer conductor 4 on ice-melt wire, and internal layer is led
Line 3 is shorted together with the other end of outer layer conductor 4；Described closed case 5 is provided with gold with the junction of active pull rod 7
Belong to expansion apparatus 8, for the active pull rod 7 movable sealing in moving process, in closed case 5, be filled with SF simultaneously6Gas is used
In arc extinguishing, closed case 5 outer wall is equiped with pneumatic head 12, SF6Gas can be from this pneumatic head 12 in closed case 5
Add.
During use, being first connected on high-voltage electric power circuit insulator by the steady brace 6 of device for monitoring icing, it is movable
Pull bar 7 is connected on high-voltage conducting wires, and when high-voltage conducting wires icing, the weight of high-voltage conducting wires increases, and promotes and active pull rod 7 one end
The spring 9 connected is stretched, and the double end contact 10 in active pull rod 7 driven rod portion moves, until double end contact 10 and closed cover
Two contacts 11 on shell 5 contact simultaneously, due to two contacts 11 respectively with the inner conductor 3 on high-voltage conducting wires and outer layer conductor
4 connect, and now, the inner conductor 3 on high-voltage conducting wires forms closed-loop path with outer layer conductor 4 and produces eddy current, causes high pressure to be led
Line generates heat and melts the icing on high-voltage conducting wires, and after the icing on high-voltage conducting wires dissolves, high-voltage conducting wires lightens, closed case
Spring 9 in 5 resets, and pulls active pull rod 7, makes the double end contact 10 in active pull rod 7 bar portion separate, now with two contacts 11
Inner conductor 3 and outer layer conductor 4 can not form closed-loop path and recover to normality, and high-voltage conducting wires has also recovered normal power supply.
Claims (6)
1. a high-voltage power line line conductor spontaneous heating de-icing method, it is characterised in that: first high-voltage conducting wires internal layer along
Former wire winding direction is wound around two or the inner conductor of many root tables topcoating insullac, then is wound around with interior on the outer layer of former wire
Two or the outer layer conductor of many root tables topcoating insullac that layer conductor winding direction is contrary, leads internal layer in one end of high-voltage conducting wires
Line is shorted together with outer layer conductor, and the other end of inner conductor and outer layer conductor is connected on the two of device for monitoring icing respectively
On individual contact, finally device for monitoring icing is connected between high-voltage electric power circuit insulator and high-voltage conducting wires；Work as high-voltage conducting wires
During icing, the weight of high-voltage conducting wires increases, and promotes two closings of contact on device for monitoring icing to connect, so that being arranged at height
Ectonexine wire on pressure wire forms closed-loop path and produces eddy current, causes conductor overheating to melt covering on high-voltage conducting wires
Ice, after the icing on high-voltage conducting wires dissolves, high-voltage conducting wires lightens, and device for monitoring icing recovers to normal condition, makes contact break
Opening, now wire can not form closed-loop path and recover to normality.
2. the high-voltage power line line conductor spontaneous heating deicing device built by the method described in claim 1, including ice-melt
Wire and device for monitoring icing, it is characterised in that: described ice-melt wire is by wire-core (1) and to be wrapped in wire-core (1)
On aluminum conductor (2) constitute, the internal layer at aluminum conductor (2) is wound with two or many root tables along the winding direction of aluminum conductor (2)
The inner conductor (3) of topcoating insullac, is wound with contrary with inner conductor (3) winding direction on the outer layer of aluminum conductor (2)
Two or the outer layer conductor (4) of many root tables topcoating insullac；Described device for monitoring icing includes closed case (5), close
The two ends of enclosed case (5) are respectively arranged with steady brace (6) and active pull rod (7), the end of active pull rod (7) and closed
Spring (9) in case (5) connects, and is fixed with the double end contact insulated with active pull rod (7) in the bar portion of active pull rod (7)
(10), being respectively arranged with two contacts (11) near double end contact (10) place in the end of closed case (5), one of them touches
Head (11) is connected with the inner conductor (3) on ice-melt wire, and another contact (11) is with the outer layer conductor (4) on ice-melt wire even
Connect, and the other end of inner conductor (3) and outer layer conductor (4) is shorted together.
High-voltage power line line conductor spontaneous heating deicing device the most according to claim 2, it is characterised in that: described ice-melt
Wire is to be made up of the aluminum conductor (2) of wire-core (1) and be wrapped on wire-core (1) more than 3 layers, and inner conductor (3) is wound around
Between innermost layer aluminum conductor (2), outer layer conductor (4) is wrapped between time outer layer aluminum conductor (2).
4. according to the high-voltage power line line conductor spontaneous heating deicing device described in Claims 2 or 3, it is characterised in that: described
Inner conductor (3) and outer layer conductor (4) are isometrical and isometric with aluminum conductor (2).
High-voltage power line line conductor spontaneous heating deicing device the most according to claim 2, it is characterised in that: described is airtight
Formula case (5) is provided with metal expander (8) with the junction of active pull rod (7).
High-voltage power line line conductor spontaneous heating deicing device the most according to claim 2, it is characterised in that: described is airtight
Formula case is filled with SF in (5)6Gas is used for arc extinguishing, is equiped with pneumatic head (12) on closed case (5) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610249012.7A CN105958411B (en) | 2016-04-20 | 2016-04-20 | A kind of high-voltage power line line conductor spontaneous heating de-icing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610249012.7A CN105958411B (en) | 2016-04-20 | 2016-04-20 | A kind of high-voltage power line line conductor spontaneous heating de-icing method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105958411A true CN105958411A (en) | 2016-09-21 |
| CN105958411B CN105958411B (en) | 2018-06-12 |
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ID=56917906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610249012.7A Active CN105958411B (en) | 2016-04-20 | 2016-04-20 | A kind of high-voltage power line line conductor spontaneous heating de-icing method and device |
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| Country | Link |
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| CN (1) | CN105958411B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116073313A (en) * | 2023-03-28 | 2023-05-05 | 山东鲁冠电气有限公司 | High-voltage line ice melting equipment, attachment cleaning equipment and ice melting method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006196375A (en) * | 2005-01-14 | 2006-07-27 | Chugoku Electric Power Co Inc:The | Melting snow overhead wire |
| US20070029066A1 (en) * | 2005-03-09 | 2007-02-08 | Kidwell John E | Coaxial-flow heat transfer structures for use in diverse applications |
| CN101834092A (en) * | 2009-03-12 | 2010-09-15 | 任首旺 | Ice inductor |
| CN102360610A (en) * | 2011-09-14 | 2012-02-22 | 湖南金杯电缆有限公司 | Ice-melting type overhead earth wire |
| CN103065716A (en) * | 2013-01-06 | 2013-04-24 | 四川省电力公司西昌电业局 | Ice-coating proof hollow ventilating transmission conducting wire |
| CN205646729U (en) * | 2016-04-20 | 2016-10-12 | 聂思维 | High voltage electricity line conductor spontaneous heating ice -melt device |
-
2016
- 2016-04-20 CN CN201610249012.7A patent/CN105958411B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006196375A (en) * | 2005-01-14 | 2006-07-27 | Chugoku Electric Power Co Inc:The | Melting snow overhead wire |
| US20070029066A1 (en) * | 2005-03-09 | 2007-02-08 | Kidwell John E | Coaxial-flow heat transfer structures for use in diverse applications |
| CN101834092A (en) * | 2009-03-12 | 2010-09-15 | 任首旺 | Ice inductor |
| CN102360610A (en) * | 2011-09-14 | 2012-02-22 | 湖南金杯电缆有限公司 | Ice-melting type overhead earth wire |
| CN103065716A (en) * | 2013-01-06 | 2013-04-24 | 四川省电力公司西昌电业局 | Ice-coating proof hollow ventilating transmission conducting wire |
| CN205646729U (en) * | 2016-04-20 | 2016-10-12 | 聂思维 | High voltage electricity line conductor spontaneous heating ice -melt device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116073313A (en) * | 2023-03-28 | 2023-05-05 | 山东鲁冠电气有限公司 | High-voltage line ice melting equipment, attachment cleaning equipment and ice melting method |
| CN116073313B (en) * | 2023-03-28 | 2023-06-02 | 山东鲁冠电气有限公司 | High-voltage line ice melting equipment, attachment cleaning equipment and ice melting method |
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| Publication number | Publication date |
|---|---|
| CN105958411B (en) | 2018-06-12 |
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