CN207573652U - A kind of big high voltage power transmission tower melting ice and snow accompanying-heat cable - Google Patents
A kind of big high voltage power transmission tower melting ice and snow accompanying-heat cable Download PDFInfo
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- CN207573652U CN207573652U CN201721544183.9U CN201721544183U CN207573652U CN 207573652 U CN207573652 U CN 207573652U CN 201721544183 U CN201721544183 U CN 201721544183U CN 207573652 U CN207573652 U CN 207573652U
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- China
- Prior art keywords
- oversheath
- power transmission
- elastic expansion
- snow
- high voltage
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Abstract
The utility model discloses a kind of big high voltage power transmission tower melting ice and snow accompanying-heat cables; including elastic expansion oversheath, the alloy heat generating conductor being set in the elastic expansion oversheath and the power supply power transmission conductor being set in the elastic expansion oversheath; in the elastic expansion oversheath oval elastic cutting ring is set with filled with inertia insulation protection gas, the elastic expansion oversheath outside；The ellipse elastic cutting ring is set for several and along the axial arranging of the elastic expansion oversheath, it is connected between several described oval elastic cutting rings by multiple axially cutting wires, multiple axially cutting wires are each parallel to the axial direction of the elastic expansion oversheath.A kind of big high voltage power transmission tower melting ice and snow accompanying-heat cable provided by the utility model can remove the icing on big high voltage power transmission tower using heating ice-melt in a manner that physics deicing is combined.
Description
Technical field
The utility model is related to a kind of melting ice and snow accompanying-heat cable product technical field, particularly a kind of big high voltage power transmission tower
Melting ice and snow accompanying-heat cable.
Background technology
Heating cable is a kind of using electric power as the energy, carries out heating power using alloy resistance wire to reach heating or guarantor
The construction of cable product of temp effect.Due to not having load current ponding knot easily occurs in winter for extra high voltage line aerial earth wire
The phenomenon that ice, ice thickness, which far beyond aerial condutor can easily cause ground thread breakage, fall tower or the excessive conducting wire of arc sag puts ground wire
The accidents such as electricity seriously affect the safe and stable operation of extra-high voltage grid；It is needed thus by the way that heating cable is set to carry out ice-melt
Operation is avenged, conventional melting ice and snow accompanying-heat cable can only slowly melt ice and snow by heating, less efficient.
Invention content
For overcome the deficiencies in the prior art, the utility model provides a kind of big high voltage power transmission tower melting ice and snow heat tracing electricity
Cable can remove the icing on big high voltage power transmission tower using heating ice-melt in a manner that physics deicing is combined.
Technical solution is used by the utility model solves its technical problem：
A kind of big high voltage power transmission tower melting ice and snow accompanying-heat cable, including elastic expansion oversheath, to be set to the elasticity swollen
Alloy heat generating conductor in swollen oversheath and the power supply power transmission conductor being set in the elastic expansion oversheath, the bullet
Property expansion oversheath in filled with inertia insulation protection gas, be set with oval elastic cutting ring outside the elastic expansion oversheath；
The ellipse elastic cutting ring is set for several and along the axial arranging of the elastic expansion oversheath, several described ellipses
It is connected between elastic cutting ring by multiple axially cutting wires, multiple axially cutting wires are each parallel to the bullet
Property expansion oversheath axial direction.
As a further improvement of the above technical scheme, the outside of the alloy heat generating conductor is enclosed with heatproof heat conductive insulating
Layer, the outside of the power supply power transmission conductor are enclosed with conductive protection insulating layer, and the outside of the conductive protection insulating layer is also wrapped up
There is conductive protection thermal insulation layer；The outside of the heatproof thermally conductive insulating layer and the conductive protection thermal insulation layer be enclosed with jointly sizing around
Covering.
As a further improvement of the above technical scheme, the alloy heat generating conductor is corronil or nichrome wire
It is made, the power supply power transmission conductor is made of oxygen-free cupreous, and the ellipse elastic cutting ring is made of steel wire, and the heatproof is led
Thermal insulation layer is made of polytetrafluoroethylene material, and the conductive protection insulating layer is made of polyfluorinated ethylene material, the conduction
Protecting thermal insulating layer is wrapped up for asbestic blanket, and the sizing lapping layer, which is that aramid insulating paper is wrapped, to be formed.
As a further improvement of the above technical scheme, between the sizing lapping layer and the elastic expansion oversheath also
Filled with high temperature resistant sponge, carbon fiber skeleton is provided in the high temperature resistant sponge.
As a further improvement of the above technical scheme, in the heatproof thermally conductive insulating layer and the conductive protection thermal insulation layer
Outside and positioned at it is described sizing lapping layer inside gap in be filled with heat conduction carbon fibre material.
Compared with prior art, the beneficial effects of the utility model are：
A kind of big high voltage power transmission tower melting ice and snow accompanying-heat cable provided by the utility model, is added by alloy heat generating conductor
Thermal inertia insulation protection gas is allowed to volume expansion, so as to increase the outer diameter of elastic expansion oversheath, makes oval elastic cutting ring
Shape change, cutting is carried out to the ice and snow on surface and is allowed to piecemeal and comes off, is that a kind of heating ice-melt is mutually tied with physics deicing
The operating type of conjunction can improve the operating efficiency of melting ice and snow.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is a kind of cross section structure signal of big high voltage power transmission tower melting ice and snow accompanying-heat cable described in the utility model
Figure；
Fig. 2 is the structure diagram of oval elastic cutting ring described in the utility model and axially cutting wire.
Specific embodiment
Referring to figs. 1 to Fig. 2, Fig. 1 to Fig. 2 is the structure diagram of one specific embodiment of the utility model.
As shown in Figure 1 to Figure 2, a kind of big high voltage power transmission tower melting ice and snow accompanying-heat cable, including elastic expansion oversheath 1,
It the alloy heat generating conductor 2 that is set in the elastic expansion oversheath 1 and is set in the elastic expansion oversheath 1
It powers power transmission conductor 3, filled with inertia insulation protection gas in the elastic expansion oversheath 1, outside the elastic expansion oversheath 1
It is set with oval elastic cutting ring 4；The ellipse elastic cutting ring 4 is for several and along the axis of the elastic expansion oversheath 1
It sets to arrangement, is connected between several described oval elastic cutting rings 4 by multiple axially cutting wires 5, it is multiple described
Axially cutting wire 5 is each parallel to the axial direction of the elastic expansion oversheath 1.
As preference, the outside of the alloy heat generating conductor 2 is enclosed with heatproof thermally conductive insulating layer 6, the power supply transmission of electricity
The outside of conductor 3 is enclosed with conductive protection insulating layer 7, the outside of the conductive protection insulating layer 7 be also enclosed with conductive protection every
Thermosphere 8；The outside of the heatproof thermally conductive insulating layer 6 and the conductive protection thermal insulation layer 8 is enclosed with sizing lapping layer 9 jointly.Make
To be preferred, the alloy heat generating conductor 2 is made of corronil or nichrome wire, and the power supply power transmission conductor 3 is nothing
Oxygen copper conductor is made, and the ellipse elastic cutting ring 4 is made of steel wire, and the heatproof thermally conductive insulating layer 6 is polytetrafluoroethylene (PTFE) material
Material is made, and the conductive protection insulating layer 7 is made of polyfluorinated ethylene material, and the conductive protection thermal insulation layer 8 is asbestic blanket packet
It wraps up in, the sizing lapping layer 9, which is that aramid insulating paper is wrapped, to be formed.As preference, the sizing lapping layer 9 and the bullet
Property expansion oversheath 1 between be also filled with high temperature resistant sponge 10, be provided with carbon fiber skeleton in the high temperature resistant sponge 10；It is described
Structure is conducive to keep the gap shape between the sizing lapping layer 9 and the elastic expansion oversheath 1 to stablize, and can be
When the elastic expansion oversheath 1 deforms, the position of the sizing lapping layer 9 is made to stablize, and be conducive to heat transfer.As preferred
, in the outside of the heatproof thermally conductive insulating layer 6 and the conductive protection thermal insulation layer 8 and in the sizing lapping layer 9
Heat conduction carbon fibre material 11 is filled in the gap of side.
During work, power supply power transmission conductor 3 described first is powered to the alloy heat generating conductor 2, leads the alloy heat generating
Body 2 generates heat, and the inertia insulation protection gas filled in the elastic expansion oversheath 1 is heated volume expansion, so as to make the elasticity
Expand the shape drawn game position of the outer diameter increase of oversheath 1, the ellipse elastic cutting ring 4 and the axially cutting wire 5
It puts and changes, so as to form the dissection to ice and snow, the ice and snow for being attached to cable and wire surface is made to be cut piecemeal, so as to
The adhesive force of ice and snow is reduced, ice and snow can be made rapidly to come off from cable and wire surface with reference to heating melting ice and snow effect.
The preferred embodiments of the present invention have been specifically described above, certainly, the utility model can also use with
The different form of the above embodiment, those skilled in the art are made without departing from the spirit of the present invention
Equivalent transformation or corresponding modification, should all fall within the protection scope of the present invention.
Claims (5)
1. a kind of big high voltage power transmission tower melting ice and snow accompanying-heat cable, it is characterised in that：Including elastic expansion oversheath（1）, setting
In the elastic expansion oversheath（1）In alloy heat generating conductor（2）And it is set to the elastic expansion oversheath（1）In
Power supply power transmission conductor（3）, the elastic expansion oversheath（1）In filled with inertia insulation protection gas, outside the elastic expansion
Sheath（1）It is set with oval elastic cutting ring outside（4）；The ellipse elastic cutting ring（4）It is for several and swollen along the elasticity
Swollen oversheath（1）Axial arranging setting, several described oval elastic cutting rings（4）Between pass through multiple axially cutting steel wires
Line（5）Connection, multiple axially cutting wires（5）Each parallel to the elastic expansion oversheath（1）Axial direction.
2. a kind of big high voltage power transmission tower melting ice and snow accompanying-heat cable according to claim 1, it is characterised in that：The alloy
Heating conductor（2）Outside be enclosed with heatproof thermally conductive insulating layer（6）, the power supply power transmission conductor（3）Outside be enclosed with conduction
Protect insulating layer（7）, the conductive protection insulating layer（7）Outside be also enclosed with conductive protection thermal insulation layer（8）；The heatproof is led
Thermal insulation layer（6）With the conductive protection thermal insulation layer（8）Outside be enclosed with sizing lapping layer jointly（9）.
3. a kind of big high voltage power transmission tower melting ice and snow accompanying-heat cable according to claim 2, it is characterised in that：The alloy
Heating conductor（2）It is made of corronil or nichrome wire, the power supply power transmission conductor（3）It is made of oxygen-free cupreous,
The ellipse elastic cutting ring（4）It is made of steel wire, the heatproof thermally conductive insulating layer（6）It is made of polytetrafluoroethylene material, institute
State conductive protection insulating layer（7）It is made of polyfluorinated ethylene material, the conductive protection thermal insulation layer（8）For asbestic blanket package
Into the sizing lapping layer（9）It forms for aramid insulating paper is wrapped.
4. a kind of big high voltage power transmission tower melting ice and snow accompanying-heat cable according to claim 2, it is characterised in that：The sizing
Lapping layer（9）With the elastic expansion oversheath（1）Between be also filled with high temperature resistant sponge（10）, the high temperature resistant sponge（10）
In be provided with carbon fiber skeleton.
5. a kind of big high voltage power transmission tower melting ice and snow accompanying-heat cable according to claim 2, it is characterised in that：Described resistance to
Warm thermally conductive insulating layer（6）With the conductive protection thermal insulation layer（8）Outside and positioned at the sizing lapping layer（9）Inside between
Heat conduction carbon fibre material is filled in gap（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721544183.9U CN207573652U (en) | 2017-11-18 | 2017-11-18 | A kind of big high voltage power transmission tower melting ice and snow accompanying-heat cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721544183.9U CN207573652U (en) | 2017-11-18 | 2017-11-18 | A kind of big high voltage power transmission tower melting ice and snow accompanying-heat cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207573652U true CN207573652U (en) | 2018-07-03 |
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ID=62690815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721544183.9U Expired - Fee Related CN207573652U (en) | 2017-11-18 | 2017-11-18 | A kind of big high voltage power transmission tower melting ice and snow accompanying-heat cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207573652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725205A (en) * | 2019-09-09 | 2020-01-24 | 合肥工业大学 | Deicing and snow-melting protection device for bridge stay cable |
-
2017
- 2017-11-18 CN CN201721544183.9U patent/CN207573652U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725205A (en) * | 2019-09-09 | 2020-01-24 | 合肥工业大学 | Deicing and snow-melting protection device for bridge stay cable |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180703 Termination date: 20191118 |