CN105958411B - A kind of high-voltage power line line conductor spontaneous heating de-icing method and device - Google Patents
A kind of high-voltage power line line conductor spontaneous heating de-icing method and device Download PDFInfo
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- CN105958411B CN105958411B CN201610249012.7A CN201610249012A CN105958411B CN 105958411 B CN105958411 B CN 105958411B CN 201610249012 A CN201610249012 A CN 201610249012A CN 105958411 B CN105958411 B CN 105958411B
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- Prior art keywords
- conductor
- ice
- outer layer
- wire
- melt
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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 kind of high-voltage power line line conductor spontaneous heating de-icing method and devices, the device includes ice-melt conducting wire and device for monitoring icing, the ice-melt conducting wire is made of wire-core and the aluminum conductor being wrapped on wire-core, the inner conductor that two or more root surfaces apply insulated paint is wound with along the winding direction of aluminum conductor in the internal layer of aluminum conductor, the outer layer conductor of opposite with inner conductor winding direction two or more root surfaces painting insulated paint is wound on the outer layer of aluminum conductor.The present invention forms eddy-current heating principle using plain conductor in current－carrying conductor, realizes that power circuit does not have a power failure the purpose of spontaneous heating ice-melt；Compared with existing DC ice melting technology, the configuration of the present invention is simple, ice-melt are at low cost, safe and reliable, time saving and energy saving, all are automatically performed, and without having a power failure and artificially participating in, avoid the generation of security incident, reduce the consumption of loss of outage and electric energy.
Description
Technical field
The present invention relates to a kind of high-voltage power line line conductor spontaneous heating de-icing method and devices, belong to electrical engineering technology neck
Domain.
Background technology
The extensive use in electric system with DC de-icing device, obtains the same of good effect during ice-melt
When, also there is problems with：1st, in a circuit, due to the difference in geographical location, the icing situation of the span of each circuit
It is different（Unless as that serious ice damage in 2008）, according in recent years it has been observed that the icing of a circuit most
Serious place appears in 1~2 relatively high span of geographical location, and DC ice melting technology need to carry out entire circuit
Short circuit applies high current, this damages the circuit of no icing, leads to the wire annealing of conducting wire, and strength reduction；2nd, it needs
To have a power failure to entire circuit, not only operate time-consuming, laborious, need to put into a large amount of manpower and materials, and there are one
Fixed security risk；3rd, in deicing processes, a large amount of electric energy is consumed, and the reliability of power grid reduces.Therefore current direct current
There are many drawbacks for ice-melting mode, can not meet ice-melt demand.
Invention content
The object of the present invention is to provide it is a kind of it is simple in structure, ice-melt is at low cost, it is 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 of the present invention：A kind of high-voltage power line line conductor spontaneous heating de-icing method, first in high-voltage conducting wires
Internal layer winds two along former conducting wire winding direction or more root surfaces apply the inner conductor of insulated paint, then on the outer layer of former conducting wire
The outer layer conductor of winding opposite with inner conductor winding direction two or more root surfaces painting insulated paint, in one end of high-voltage conducting wires
Inner conductor and outer layer conductor are shorted together, and the other end of inner conductor and outer layer conductor is connected on to icing monitoring respectively
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 two contact closures on device for monitoring icing is promoted to connect, so as to make
The inside and outside layer conductor being set on high-voltage conducting wires forms closed circuit and generates vortex, causes conductor overheating and melts high-voltage conducting wires
On icing, when on high-voltage conducting wires icing dissolving after, high-voltage conducting wires lighten, and device for monitoring icing restores to normal condition, makes
Contact disconnects, and conducting wire cannot form closed circuit and restore to normality at this time.
Meanwhile the present invention also provides it is a kind of by the above method build high-voltage power line line conductor spontaneous heating deicing device,
Including ice-melt conducting wire and device for monitoring icing, the ice-melt conducting wire is by wire-core and the aluminum conductor being wrapped on wire-core
It forms, along the winding direction of aluminum conductor is wound with two or more root surfaces in the internal layer of aluminum conductor and applies the internal layer of insulated paint and lead
Line, is wound with opposite with inner conductor winding direction two on the outer layer of aluminum conductor or more root surfaces apply the outer layer of insulated paint
Conducting wire；The device for monitoring icing include closed case, be respectively arranged at the both ends of closed case steady brace and
Active pull rod, the end of active pull rod are connect with the spring in closed case, are fixed with and activity in the bar portion of active pull rod
The double end contact of pull rod insulation, is respectively arranged with two contacts, wherein one in the end of closed case at double end contact
A contact is connect with the inner conductor on ice-melt conducting wire, another contact is connect, and internal layer with the outer layer conductor on ice-melt conducting wire
The other end of conducting wire and outer layer conductor is shorted together.
The ice-melt conducting wire is made of wire-core and 3 layers or more of aluminum conductor being 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.
The inner conductor and outer layer conductor are isometrical and isometric with aluminum conductor.
The closed case and the junction of active pull rod are provided with metal expander, for active pull rod in movement
Dynamic sealing in the process.
Filled with SF in the closed case6Gas is used for arc extinguishing, and pneumatic head is installed on closed case outer wall.
Due to the adoption of the above technical scheme, the advantage of the invention is that：
1st, the present invention forms eddy-current heating principle using plain conductor in current－carrying conductor, and it is spontaneous to realize that power circuit does not have a power failure
The purpose of hot ice-melt；
2nd, compared with existing DC ice melting technology, the configuration of the present invention is simple, ice-melt province at low cost, safe and reliable, time saving
Power, all are automatically performed, and without having a power failure and artificially participating in, avoid the generation of security incident；
3rd, the present invention can realize segmentation ice-melt, will not be damaged because of conducting wire caused by DC ice melting；
4th, the present invention can realize automatic defrosting, and reliable, while be also avoided that and brought because having a power failure to electric system
Risk reduces the consumption of loss of outage and electric energy.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of ice-melt conducting wire in the present invention.
Reference sign：1- wire-cores, 2- aluminum conductors, 3- inner conductors, the outer layer conductors of 4-, the closed cases of 5-, 6-
Steady brace, 7- active pull rods, 8- metal expanders, 9- springs, 10- double end contacts, 11- contacts, 12- pneumatic heads.
Specific embodiment
In order to make the object of the invention, technical solution and advantage clearer, with reference to the accompanying drawings and examples to the present invention
It is described in further detail.
The embodiment of the present invention：The structure diagram of high-voltage power line line conductor spontaneous heating deicing device is as shown in Figure 1, packet
Ice-melt conducting wire and device for monitoring icing are included, referring to Fig. 2, the ice-melt conducting wire is by wire-core 1 and is wrapped on wire-core 1
4 layers of aluminum conductor 2 form, the innermost layer of aluminum conductor 2 along the winding direction of aluminum conductor 2 be wound with two root surfaces apply insulated paint
Inner conductor 3, be wound with two root surfaces opposite with 3 winding direction of inner conductor in the secondary outer layer of aluminum conductor 2 and apply insulated paint
Outer layer conductor 4, the inner conductor 3 and outer layer conductor 4 are isometrical and isometric with aluminum conductor 2；The icing monitoring dress
It puts including closed case 5, steady brace 6 and active pull rod 7, active pull rod 7 is respectively arranged at the both ends of closed case 5
End connect with the spring 9 in closed case 5, the double end to insulate with active pull rod 7 is fixed in the bar portion of active pull rod 7
Contact 10 is respectively arranged with two contacts 11, one of contact 11 in the end of closed case 5 at double end contact 10
It is connect with the inner conductor 3 on ice-melt conducting wire, another contact 11 is connect, and internal layer is led with the outer layer conductor 4 on ice-melt conducting wire
Line 3 and the other end of outer layer conductor 4 are shorted together；The junction of the closed case 5 and active pull rod 7 is provided with gold
Belong to expander 8, for dynamic sealing of the active pull rod 7 in moving process, while filled with SF in closed case 56Gas is used
In arc extinguishing, pneumatic head 12, SF is installed on closed 5 outer wall of case6Gas can be from the pneumatic head 12 into closed case 5
It adds in.
In use, the steady brace of device for monitoring icing 6 is connected on high-voltage electric power circuit insulator first, activity
Pull rod 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 7 one end of active pull rod
The spring 9 of connection is stretched, and active pull rod 7 drives the double end contact 10 of bar portion to move, 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 connections at this point, the inner conductor 3 on high-voltage conducting wires forms closed circuit with outer layer conductor 4 and generates vortex, cause high pressure to lead
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 lighten, closed case
Spring 9 in 5 resets, and pulls active pull rod 7, the double end contact 10 of 7 bar portion of active pull rod is made to be detached with two contacts 11, at this time
Inner conductor 3 cannot form closed circuit and restore to normality with outer layer conductor 4, and high-voltage conducting wires have also restored normal power supply.
Claims (4)
1. a kind of high-voltage power line line conductor spontaneous heating deicing device, including ice-melt conducting wire and device for monitoring icing, feature
It is：The ice-melt conducting wire is by wire-core（1）Be wrapped in wire-core（1）On aluminum conductor（2）It forms, in aluminum conductor
（2）Internal layer along aluminum conductor（2）Winding direction be wound with the inner conductor that two or more root surfaces apply insulated paint（3）,
Aluminum conductor（2）Outer layer on be wound with and inner conductor（3）Winding direction opposite two or more root surfaces apply the outer of insulated paint
Layer conductor（4）；The device for monitoring icing includes closed case（5）, in closed case（5）Both ends be respectively arranged with
Steady brace（6）And active pull rod（7）, active pull rod（7）End and closed case（5）Interior spring（9）Connection, in work
Dynamic pull rod（7）Bar portion be fixed with and active pull rod（7）The double end contact of insulation（10）, in closed case（5）End lean on
Nearly double end contact（10）Place is respectively arranged with two contacts（11）, one of contact（11）With the inner conductor on ice-melt conducting wire
（3）Connection, another contact（11）With the outer layer conductor on ice-melt conducting wire（4）Connection, and inner conductor（3）With outer layer conductor
（4）The other end be shorted together；The closed case（5）It is interior filled with SF6Gas is used for arc extinguishing, in closed case
（5）Pneumatic head is installed on outer wall（12）.
2. high-voltage power line line conductor spontaneous heating deicing device according to claim 1, it is characterised in that：The ice-melt
Conducting wire is by wire-core（1）Be wrapped in wire-core（1）On 3 layers or more of aluminum conductor（2）It forms, inner conductor（3）Winding
In innermost layer aluminum conductor（2）Between, outer layer conductor（4）It is wrapped in time outer layer aluminum conductor（2）Between.
3. high-voltage power line line conductor spontaneous heating deicing device according to claim 1 or 2, it is characterised in that：Described
Inner conductor（3）And outer layer conductor（4）With aluminum conductor（2）It is isometrical and isometric.
4. high-voltage power line line conductor spontaneous heating deicing device according to claim 1, it is characterised in that：Described is closed
Formula case（5）With active pull rod（7）Junction be provided with metal expander（8）.
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 CN105958411A (en) | 2016-09-21 |
| CN105958411B true CN105958411B (en) | 2018-06-12 |
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| 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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| CN (1) | CN105958411B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (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 |
| US7363769B2 (en) * | 2005-03-09 | 2008-04-29 | Kelix Heat Transfer Systems, Llc | Electromagnetic signal transmission/reception tower and accompanying base station employing system of coaxial-flow heat exchanging structures installed in well bores to thermally control the environment housing electronic equipment within the base station |
| CN101834092B (en) * | 2009-03-12 | 2013-11-13 | 任首旺 | Ice inductor |
| CN102360610B (en) * | 2011-09-14 | 2014-02-26 | 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 |
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- 2016-04-20 CN CN201610249012.7A patent/CN105958411B/en active Active
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| CN105958411A (en) | 2016-09-21 |
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