CN204857274U - Low temperature resistant power cable - Google Patents
Low temperature resistant power cable Download PDFInfo
- Publication number
- CN204857274U CN204857274U CN201520588206.0U CN201520588206U CN204857274U CN 204857274 U CN204857274 U CN 204857274U CN 201520588206 U CN201520588206 U CN 201520588206U CN 204857274 U CN204857274 U CN 204857274U
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- layer
- heat
- aramid fiber
- cable
- low temperature
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Abstract
The utility model discloses a low temperature resistant power cable, including the circular shape metallic cable, the peripheral crowded package of metallic cable has the rubber protective layer, has four copper conductors that are fan -shaped form at the evenly distributed all around of rubber protection, is provided with the crosslinked polyethylene insulating layer outside every copper conductor, the crosslinked polyethylene insulating layer is provided with the aramid fiber weaving layer outward, the aramid fiber weaving layer is provided with the gasket for packing including with four fan -shaped copper conductor claddings between crosslinked polyethylene insulating layer and the aramid fiber weaving layer, the cladding is sticis and is had polypropylene band layer and steel wire to weave the armor in proper order on the aramid fiber weaving layer, and the cladding has heat transfer layer outside the armor is woven to the steel wire, and heat transfer layer crowded package outward has insulating silica gel heat -conducting layer, insulating silica gel heat -conducting layer outside a plurality of heat dissipation areas of parcel, and the heat dissipation area is the spiral helicine back and is equipped with a plurality of ribs. The utility model relates to a rationally, the outer structural change of the cable that arouses because of expend with heat and contract with cold can be eliminated in the heat dissipation area for the adaptability greatly increased of cable structure under the extreme temperature environment.
Description
Technical field
The utility model relates to electric wire field, is specially a kind of low temperature-resistinpower power cable.
Background technology
Set point of temperature during major part electric wire product mounting and installation is generally all not less than 0 DEG C, lower than needing when 0 DEG C, heat treated is carried out to cable body, ensure that cable body temperature is not less than 0 DEG C, with prevent when mounting and installation due to insulation and sheath material hardening and occur brittle cracking, cause installation accident.Chinese Regional is wide, especially western and the northern territory cycle in winter is long, and the requirement of laying of cable is not less than 0 DEG C, cannot carry out after one side causes electric wire installing engineering in the winter time, affects to execute project progress; Electric wire is all pack with hophornbeam compound dish on the other hand, and profile is huge, more difficult to electric cable heating, and the heating tool specially do not come, misoperation causes damage to cable quality.
Utility model content
The purpose of this utility model is to provide a kind of low temperature-resistinpower power cable, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of low temperature-resistinpower power cable, comprise circular metallic cable, the periphery of metallic cable is extruded with rubber protective layer, is evenly distributed with four copper conductors in fan shape, is outside equipped with crosslinked polyetylene insulated layer at each copper conductor in the surrounding of rubber protection; Crosslinked polyetylene insulated layer is outside equipped with aramid fiber braid; Aramid fiber braid is provided with gasket for packing between crosslinked polyetylene insulated layer and aramid fiber braid in being coated on by four fan-shaped copper conductors; Coatedly successively on aramid fiber braid be pressed with polypropylene belting layer and steel wire woven armored layer, heat transfer layer is coated with at steel wire woven armored layer, insulation silica gel heat-conducting layer is extruded with outside heat transfer layer, wrap up some heat-radiation belts outside insulation silica gel heat-conducting layer, the spiral back side of heat-radiation belt is provided with some ribs.
As the utility model further technical scheme, between adjacent heat radiation band, be provided with the angle of release of 9 ° ~ 15 °.
As the utility model further technical scheme, copper conductor is 2 class twisted copper conductors.
As the utility model further technical scheme, described heat-radiation belt is provided with 12 ~ 18.
Compared with prior art, the utility model is reasonable in design, and copper conductor is 2 class twisted copper conductors, ensure that the flexibility of the construction of cable, be easy to bending, time bending, the destructive power of insulation reduced, do not ftracture when crosslinked polyetylene insulated layer can ensure bending at-20 DEG C of temperature; The metallic cable being positioned at cable inside center place adopts aldray material to make, and improves the tensile strength of cable, makes cable can bear larger mechanical tensile forces; And heat-radiation belt can eliminate the cable external structure change caused because of expanding with heat and contract with cold, the adaptive capacity of the construction of cable under extreme temperature environment is increased greatly, the temperature contrast inside and outside cable can effectively remain in a very little scope by band.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of low temperature-resistinpower power cable of the utility model.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1, a kind of low temperature-resistinpower power cable, comprise circular metallic cable 11, the periphery of metallic cable 11 is extruded with rubber protective layer 12, be evenly distributed with four copper conductors 5 in fan shape in the surrounding of rubber protective layer 12, be outside equipped with crosslinked polyetylene insulated layer 6 at each copper conductor 5, crosslinked polyetylene insulated layer 6 is outside equipped with aramid fiber braid 9, aramid fiber braid 9 is provided with gasket for packing 13 between crosslinked polyetylene insulated layer 6 and aramid fiber braid 9 in being coated on by four fan-shaped copper conductors 5, coatedly successively on aramid fiber braid 9 be pressed with polypropylene belting layer 8 and steel wire woven armored layer 7, heat transfer layer 4 is coated with at steel wire woven armored layer 7, insulation silica gel heat-conducting layer 1 is extruded with outside heat transfer layer 4, some heat-radiation belts 3 are wrapped up outside insulation silica gel heat-conducting layer 1, preferably be provided with 12 ~ 18, the spiral back side of heat-radiation belt 3 is provided with some ribs 2, rib 2 can eliminate the cable external structure change caused because of expanding with heat and contract with cold while playing fin effect, the adaptive capacity of the construction of cable under extreme temperature environment is increased greatly, temperature contrast inside and outside cable can effectively remain in a very little scope by heat-radiation belt, the angle of release of 9 ° ~ 15 ° is provided with between adjacent heat radiation band 3, increase heat transfer area.
Copper conductor 5 is 2 class twisted copper conductors, ensure that the flexibility of the construction of cable.
The utility model is reasonable in design, and copper conductor is 2 class twisted copper conductors, ensure that the flexibility of the construction of cable, is easy to bending, reduces time bending to the destructive power of insulation, does not ftracture when crosslinked polyetylene insulated layer can ensure bending at-20 DEG C of temperature; The metallic cable being positioned at cable inside center place adopts aldray material to make, and improves the tensile strength of cable, makes cable can bear larger mechanical tensile forces; And heat-radiation belt can eliminate the cable external structure change caused because of expanding with heat and contract with cold, the adaptive capacity of the construction of cable under extreme temperature environment is increased greatly, the temperature contrast inside and outside cable can effectively remain in a very little scope by band.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned execution mode, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (4)
1. a low temperature-resistinpower power cable, it is characterized in that, comprise circular metallic cable, the periphery of metallic cable is extruded with rubber protective layer, be evenly distributed with four copper conductors in fan shape in the surrounding of rubber protection, be outside equipped with crosslinked polyetylene insulated layer at each copper conductor; Crosslinked polyetylene insulated layer is outside equipped with aramid fiber braid; Aramid fiber braid is provided with gasket for packing between crosslinked polyetylene insulated layer and aramid fiber braid in being coated on by four fan-shaped copper conductors; Coatedly successively on aramid fiber braid be pressed with polypropylene belting layer and steel wire woven armored layer, heat transfer layer is coated with at steel wire woven armored layer, insulation silica gel heat-conducting layer is extruded with outside heat transfer layer, wrap up some heat-radiation belts outside insulation silica gel heat-conducting layer, the spiral back side of heat-radiation belt is provided with some ribs.
2. a kind of low temperature-resistinpower power cable according to claim 1, is characterized in that, is provided with the angle of release of 9 ° ~ 15 ° between adjacent heat radiation band.
3. a kind of low temperature-resistinpower power cable according to claim 1, is characterized in that, copper conductor is 2 class twisted copper conductors.
4. a kind of low temperature-resistinpower power cable according to claim 1, is characterized in that, described heat-radiation belt is provided with 12 ~ 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588206.0U CN204857274U (en) | 2015-08-06 | 2015-08-06 | Low temperature resistant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588206.0U CN204857274U (en) | 2015-08-06 | 2015-08-06 | Low temperature resistant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204857274U true CN204857274U (en) | 2015-12-09 |
Family
ID=54747801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520588206.0U Expired - Fee Related CN204857274U (en) | 2015-08-06 | 2015-08-06 | Low temperature resistant power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204857274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622373A (en) * | 2020-11-30 | 2021-04-09 | 芜湖航天特种电缆厂股份有限公司 | Aramid fiber lacing structure for aerospace |
-
2015
- 2015-08-06 CN CN201520588206.0U patent/CN204857274U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622373A (en) * | 2020-11-30 | 2021-04-09 | 芜湖航天特种电缆厂股份有限公司 | Aramid fiber lacing structure for aerospace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Baomei Inventor before: Li Jianshu |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170224 Address after: 225821 Jiangsu city of Yangzhou province Baoying Liubao Town Industrial Zone Chuangye Road Patentee after: Yangzhou origin Technology Co., Ltd. Address before: 100176 Beijing City, Daxing District Beijing economic and Technological Development Zone Ronghua Road No. 5 Building No. 1 hospital 10 layer 1014 Patentee before: BEIJING KEHUITONG WISDOM TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20170806 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |