CN204480792U - A kind of can the medium-pressure power cable of low-temperature mounting - Google Patents
A kind of can the medium-pressure power cable of low-temperature mounting Download PDFInfo
- Publication number
- CN204480792U CN204480792U CN201520175645.9U CN201520175645U CN204480792U CN 204480792 U CN204480792 U CN 204480792U CN 201520175645 U CN201520175645 U CN 201520175645U CN 204480792 U CN204480792 U CN 204480792U
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- polypropylene
- layer
- cable
- conductor
- polyvinyl chloride
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a kind of can the medium-pressure power cable of low-temperature mounting, relate to field of cable technology.It comprises conductor, polypropylene band and cold resistance polyvinyl chloride external sheath layer, sets gradually conductor shield, crosslinked polyetylene insulated layer, insulation screen outside conductor; Copper strip shielding layer is extruded on insulation screen and becomes cable core, filler/polypropylene gasket for packing in cable core, the outer wrapped polypropylene band of cable core, cold resistance polyvinyl chloride inner restrictive coating is extruded outside polypropylene band, the outer wrapped polypropylene belting layer of inner restrictive coating, extrudes cold resistance polyvinyl chloride external sheath layer outside polypropylene belting layer.The utility model is reasonable in design, and conductor is 2 class twisted copper conductors, ensure that the flexibility of the construction of cable, is easy to bending, and belting layer adopts polypropylene band, the uniformity that when belting layer outside armour ensure that cable bend, oversheath is stressed.Inner sheath of the present utility model and oversheath adopt cold-resistant polrvinyl chloride protective cover material, adopt and extrude mode, are applicable to safety in-20 DEG C of temperature ranges and install.
Description
Technical field
The utility model relates to cable, particularly relate to a kind of can the medium-pressure power cable of low-temperature mounting.
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
For solving above-mentioned technological deficiency, the utility model object be to provide a kind of can the medium-pressure power cable of low-temperature mounting.
Scheme of the present utility model is as follows: a kind of can the medium-pressure power cable of low-temperature mounting, comprise conductor, polypropylene band and cold resistance polyvinyl chloride external sheath layer, outside conductor, set gradually conductor shield, crosslinked polyetylene insulated layer, insulation screen; Copper strip shielding layer is extruded on insulation screen and becomes cable core, filler/polypropylene gasket for packing in cable core, the outer wrapped polypropylene band of cable core, cold resistance polyvinyl chloride inner restrictive coating is extruded outside polypropylene band, the outer wrapped polypropylene belting layer of inner restrictive coating, extrudes cold resistance polyvinyl chloride external sheath layer outside polypropylene belting layer.
Steel-tape armouring layer is provided with between described inner restrictive coating and polypropylene belting layer.
The utility model is reasonable in design, conductor is 2 class twisted copper conductors, ensure that the flexibility of the construction of cable, be easy to bending, reduce the destructive power of insulation time bending, belting layer adopts polypropylene band, the uniformity that when belting layer outside armour ensure that cable bend, oversheath is stressed, prevent steel band lap-joint local stress excessive, cause external sheath layer to ftracture.Inner sheath of the present utility model and oversheath adopt cold-resistant polrvinyl chloride protective cover material, adopt and extrude mode, are applicable to safety in-20 DEG C of temperature ranges and install.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Wherein: 1, conductor; 2, conductor shield; 3, crosslinked polyetylene insulated layer; 4, insulation screen; 5, copper strip shielding layer; 6, polypropylene gasket for packing; 7, polypropylene band; 8, inner restrictive coating; 9, steel-tape armouring layer; 10, polypropylene belting layer; 11, cold resistance polyvinyl chloride external sheath layer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further;
As shown in Figure 1, a kind of can the medium-pressure power cable of low-temperature mounting, comprise conductor 1, polypropylene band 7 and cold resistance polyvinyl chloride external sheath layer 11, outside conductor layer 1, set gradually conductor shield 2, crosslinked polyetylene insulated layer 3, insulation screen 4; Copper strip shielding layer 5 is extruded on insulation screen 4 and becomes cable core, filler/polypropylene gasket for packing 6 in cable core, the outer wrapped polypropylene band 7 of cable core, cold resistance polyvinyl chloride inner restrictive coating 8 is extruded outside polypropylene band 7, the outer wrapped polypropylene belting layer 10 of inner restrictive coating 8, extrudes cold resistance polyvinyl chloride external sheath layer 11 outside polypropylene belting layer 10.
Steel-tape armouring layer 9 is provided with between described inner restrictive coating 8 and polypropylene belting layer 10.
Although give detailed description and explanation to embodiment of the present utility model above; but what should indicate is; we can carry out various equivalence according to conception of the present utility model to above-mentioned execution mode and change and amendment; its function produced do not exceed that specification contains yet spiritual time, all should within protection range of the present utility model.
Claims (2)
1. can the medium-pressure power cable of low-temperature mounting, comprise conductor, polypropylene band and cold resistance polyvinyl chloride external sheath layer, it is characterized in that: outside conductor, set gradually conductor shield, crosslinked polyetylene insulated layer, insulation screen; Copper strip shielding layer is extruded on insulation screen and becomes cable core, filler/polypropylene gasket for packing in cable core, the outer wrapped polypropylene band of cable core, cold resistance polyvinyl chloride inner restrictive coating is extruded outside polypropylene band, the outer wrapped polypropylene belting layer of inner restrictive coating, extrudes cold resistance polyvinyl chloride external sheath layer outside polypropylene belting layer.
2. according to claim 1 a kind of can the medium-pressure power cable of low-temperature mounting, it is characterized in that: between described inner restrictive coating and polypropylene belting layer, be provided with steel-tape armouring layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520175645.9U CN204480792U (en) | 2015-03-27 | 2015-03-27 | A kind of can the medium-pressure power cable of low-temperature mounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520175645.9U CN204480792U (en) | 2015-03-27 | 2015-03-27 | A kind of can the medium-pressure power cable of low-temperature mounting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204480792U true CN204480792U (en) | 2015-07-15 |
Family
ID=53636570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520175645.9U Expired - Fee Related CN204480792U (en) | 2015-03-27 | 2015-03-27 | A kind of can the medium-pressure power cable of low-temperature mounting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204480792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104751988A (en) * | 2015-03-27 | 2015-07-01 | 安徽华电线缆集团有限公司 | Medium voltage power cable installable under low temperature |
-
2015
- 2015-03-27 CN CN201520175645.9U patent/CN204480792U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104751988A (en) * | 2015-03-27 | 2015-07-01 | 安徽华电线缆集团有限公司 | Medium voltage power cable installable under low temperature |
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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: 20150715 Termination date: 20200327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |