CN205845572U - A kind of single extrusion insulating power cable of rated voltage 1kv and 3kv - Google Patents
A kind of single extrusion insulating power cable of rated voltage 1kv and 3kv Download PDFInfo
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- CN205845572U CN205845572U CN201620666059.9U CN201620666059U CN205845572U CN 205845572 U CN205845572 U CN 205845572U CN 201620666059 U CN201620666059 U CN 201620666059U CN 205845572 U CN205845572 U CN 205845572U
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- heat extraction
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- power cable
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Abstract
This utility model relates to field of cables, disclose the single extrusion insulating power cable of a kind of rated voltage 1kv and 3kv, the insulating barrier including copper conductor, being coated on described copper conductor outer surface, the obturator being located at described insulating barrier outer surface, be coated on the fire-retardant band of described obturator outer surface, be coated on the waterproof ventilated membrane of described fire-retardant band outer surface, be coated on the double hyer insulation heat extraction protecting pipe of described waterproof and breathable film outer surface；Described double hyer insulation heat extraction protecting pipe includes heat extraction internal layer and sheath outer layer, is provided with air layer and heat extraction internal layer and sheath outer layer is connected by connection strap between described heat extraction internal layer and sheath outer layer；Described heat extraction internal layer is provided with heat extraction hole.Single extrusion insulating power cable of the present utility model is provided with heat abstraction structure, it is possible to is got rid of by the heat that cable self produces in time, reduces temperature, improves security performance；This cable can also anti-extrusion, rub resistance simultaneously.
Description
Technical field
This utility model relates to field of cables, particularly relates to the single extruded insulation electric power of a kind of rated voltage 1kv and 3kv
Cable.
Background technology
In recent years, the electric utility development of China, the demand of cable is very big, simultaneously for cable requirement also
More and more higher.
The Chinese patent of Application No. 201320074018.7 discloses a kind of rated voltage 1kV copper clad aluminum conductor and extrudes absolutely
Edge power cable, including the sheath in outside, is followed successively by armor, belting layer, has four groups of tape insulations in belting layer inside sheath
The wire of layer, described often group wire is made up of the many copper cladding aluminum conductors pressing structure, and often organizes conductor cross-section in fan-shaped shape
Shape, the cross section of every copper cladding aluminum conductor is abnormity.Between internal compact, each wire of each conductor structure of cable of the present utility model
Tight, with aluminum for copper, amount of copper consuming little, low cost.
But above-mentioned cable there is also deficiency, cable, after working long hours, can produce amount of heat, owing to battery core is tight
Extruding, causes thermal accumlation to be difficult to disperse, it is easy to initiation fire.
The Chinese patent of Application No. 201220520006.8 discloses a kind of rated voltage 1kV high temperature resistant extruded insulation electricity
Power cable, including heart yearn and insulating barrier, outside heart yearn, tight coated insulation layer forms single-phase cable, and single-phase cable is three or four
Being combined into the high temperature resistant extrusion insulating power cable of 1kV, three or four single-phase cables are equilateral triangle or square arrangement, electricity
Power cable external spiral is wound with thermal insulation layer, and thermal insulation layer is externally provided with overcoat.This cable adds thermal insulation layer, it is to avoid high ambient temperature
Impact on insulating performance of cable, has simple in construction and the feature of length in service life, is suitable for using in high temperature place.
Though the thermal insulation layer that above-mentioned cable is arranged, its purpose Main Function is the heat outside isolation, and be not
Discharge the heat that cable self produces.
Utility model content
In order to solve above-mentioned technical problem, this utility model provides the single of a kind of rated voltage 1kv and 3kv and extrudes absolutely
Edge power cable.Single extrusion insulating power cable of the present utility model is provided with heat abstraction structure, it is possible to produced by cable self in time
Raw heat is got rid of, and reduces temperature, improves security performance；This cable can also anti-extrusion, rub resistance simultaneously.
Concrete technical scheme of the present utility model is: the single extruded insulation electric power electricity of a kind of rated voltage 1kv and 3kv
Cable, the insulating barrier including copper conductor, being coated on described copper conductor outer surface, is located at the obturator of described insulating barrier outer surface, bag
It is overlying on the fire-retardant band of described obturator outer surface, is coated on the waterproof ventilated membrane of described fire-retardant band outer surface, is coated on institute
State the double hyer insulation heat extraction protecting pipe of waterproof and breathable film outer surface；Described double hyer insulation heat extraction protecting pipe includes heat extraction internal layer and protects
Set outer layer, is provided with air layer and heat extraction internal layer and sheath outer layer by connection strap even between described heat extraction internal layer and sheath outer layer
Connect；Described heat extraction internal layer is provided with heat extraction hole.
This utility model is provided with the double hyer insulation heat extraction protecting pipe of one, and wherein heat extraction internal layer can play the work of heat extraction
With, after cable operates generation amount of heat for a long time, heat is derived from heat extraction hole, enters air layer, and then is dispersed into cable
Outside.The setting of waterproof ventilated membrane, it is possible on the basis of keeping water proofing property, it is ensured that the breathability within cable, improves heat radiation
Efficiency.Air layer is in addition to thermolysis, when cable is when consigning or being squeezed, additionally it is possible to play cushioning effect, protection
Battery core.
As preferably, described heat extraction hole is positioned at the aperture of heat extraction internal layer inner surface more than the hole being positioned at heat extraction inner layer outer surface
Footpath.In the aperture in heat extraction hole big outer the least, it is possible to play waterproof action.
As preferably, the outer surface of described sheath outer layer is provided with some directions and cable wear-resistant pressure-resistant bar in the same direction.Work as electricity
Cable is when ground is drawn, and wear-resistant pressure-resistant bar directly contacts with ground, it is possible to prevent cable main to be worn；When cable is squeezed
Time, wear-resistant pressure-resistant bar can cushioning effect；The rubbing when setting of wear-resistant pressure-resistant bar can also increase several cables binding in addition
Wiping power, is difficult to loosen.
As preferably, described double hyer insulation heat extraction protecting pipe is elastomeric material.
As preferably, described wear-resistant pressure-resistant bar is uniformly distributed in the circumferential surface of sheath outer layer.
As preferably, described connection strap is uniformly distributed in the circumferential surface of heat extraction internal layer.
Being compared with the prior art, the beneficial effects of the utility model are: single extruded insulation electric power of the present utility model electricity
Cable is provided with heat abstraction structure, it is possible to is got rid of by the heat that cable self produces in time, reduces temperature, improves security performance；Should simultaneously
Cable can also anti-extrusion, rub resistance.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Reference is: copper conductor 1, insulating barrier 2, obturator 3, fire-retardant band 4, waterproof ventilated membrane 5, heat extraction internal layer 6, protect
Set outer layer 7, air layer 8, connection strap 9, heat extraction hole 10, wear-resistant pressure-resistant bar 11.
Detailed description of the invention
Below in conjunction with embodiment, the utility model will be further described.Device involved in this utility model,
Connection structure and method, if without refering in particular to, being device well known in the art, connection structure and method.
Embodiment 1
As shown in Figure 1: the single extrusion insulating power cable of a kind of rated voltage 1kv and 3kv, including copper conductor 1, cladding
In described copper conductor outer surface insulating barrier 2, be located at the obturator 3 of described insulating barrier outer surface, be coated on outside described obturator
The fire-retardant band 4 on surface, it is coated on the waterproof ventilated membrane 5 of described fire-retardant band outer surface, is coated on outside described waterproof ventilated membrane
The double hyer insulation heat extraction protecting pipe on surface.
Described double hyer insulation heat extraction protecting pipe is elastomeric material, including heat extraction internal layer 6 and sheath outer layer 7, in described heat extraction
It is provided with air layer 8 and heat extraction internal layer and sheath outer layer between layer and sheath outer layer to be connected by connection strap 9.Described connection strap is uniform
It is distributed in the circumferential surface of heat extraction internal layer.Described heat extraction internal layer is provided with heat extraction hole 10.Described heat extraction hole is positioned at heat extraction internal layer
The aperture on surface is more than the aperture being positioned at heat extraction inner layer outer surface.The outer surface of described sheath outer layer is provided with 6 directions and cable
Wear-resistant pressure-resistant bar 11 in the same direction.Article 6, wear-resistant pressure-resistant bar is uniformly distributed in the circumferential surface of sheath outer layer.
Embodiment 2
In the present embodiment, the quantity of described wear-resistant pressure-resistant bar is 4.
Embodiment 3
In the present embodiment, the quantity of described wear-resistant pressure-resistant bar is 8.
The above, be only preferred embodiment of the present utility model, not impose any restrictions this utility model, every
Any simple modification, change and equivalent structure transformation above example made according to this utility model technical spirit, the most still
Belong to the protection domain of technical solutions of the utility model.
Claims (6)
1. rated voltage 1kv and the single extrusion insulating power cable of 3kv, it is characterised in that: include copper conductor (1), bag
The insulating barrier (2), the obturator (3) being located at described insulating barrier outer surface that are overlying on described copper conductor outer surface, be coated on described in fill out
The fire-retardant band (4), the waterproof ventilated membrane (5) being coated on described fire-retardant band outer surface that fill external surface, be coated on described anti-
The double hyer insulation heat extraction protecting pipe of water ventilated membrane outer surface；Described double hyer insulation heat extraction protecting pipe includes heat extraction internal layer (6) and protects
Set outer layer (7), is provided with air layer (8) and heat extraction internal layer and sheath outer layer by connecting between described heat extraction internal layer and sheath outer layer
Bar (9) connects；Described heat extraction internal layer is provided with heat extraction hole (10).
A kind of rated voltage 1kv the most as claimed in claim 1 and the single extrusion insulating power cable of 3kv, it is characterised in that
Described heat extraction hole is positioned at the aperture of heat extraction internal layer inner surface more than the aperture being positioned at heat extraction inner layer outer surface.
A kind of rated voltage 1kv the most as claimed in claim 1 or 2 and the single extrusion insulating power cable of 3kv, its feature exists
In, the outer surface of described sheath outer layer is provided with some directions and cable wear-resistant pressure-resistant bar (11) in the same direction.
A kind of rated voltage 1kv the most as claimed in claim 3 and the single extrusion insulating power cable of 3kv, it is characterised in that
Described double hyer insulation heat extraction protecting pipe is elastomeric material.
A kind of rated voltage 1kv the most as claimed in claim 3 and the single extrusion insulating power cable of 3kv, it is characterised in that
Described wear-resistant pressure-resistant bar is uniformly distributed in the circumferential surface of sheath outer layer.
A kind of rated voltage 1kv the most as claimed in claim 1 or 2 and the single extrusion insulating power cable of 3kv, its feature exists
In, described connection strap is uniformly distributed in the circumferential surface of heat extraction internal layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620666059.9U CN205845572U (en) | 2016-06-24 | 2016-06-24 | A kind of single extrusion insulating power cable of rated voltage 1kv and 3kv |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620666059.9U CN205845572U (en) | 2016-06-24 | 2016-06-24 | A kind of single extrusion insulating power cable of rated voltage 1kv and 3kv |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205845572U true CN205845572U (en) | 2016-12-28 |
Family
ID=57622002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620666059.9U Expired - Fee Related CN205845572U (en) | 2016-06-24 | 2016-06-24 | A kind of single extrusion insulating power cable of rated voltage 1kv and 3kv |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205845572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039110A (en) * | 2017-05-24 | 2017-08-11 | 郑行良 | A kind of radiating cable for facilitating damage testing |
-
2016
- 2016-06-24 CN CN201620666059.9U patent/CN205845572U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039110A (en) * | 2017-05-24 | 2017-08-11 | 郑行良 | A kind of radiating cable for facilitating damage testing |
| CN107039110B (en) * | 2017-05-24 | 2023-03-24 | 广东广粤电线电缆有限公司 | Make things convenient for heat dissipation cable of damaged detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20200624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |