CN210245140U - Power cable - Google Patents
Power cable Download PDFInfo
- Publication number
- CN210245140U CN210245140U CN201921052978.7U CN201921052978U CN210245140U CN 210245140 U CN210245140 U CN 210245140U CN 201921052978 U CN201921052978 U CN 201921052978U CN 210245140 U CN210245140 U CN 210245140U
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- China
- Prior art keywords
- layer
- outside
- high temperature
- insulating layer
- fire
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- 239000010410 layer Substances 0.000 claims abstract description 89
- 239000003063 flame retardant Substances 0.000 claims abstract description 23
- 239000011241 protective layer Substances 0.000 claims abstract description 22
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 239000002253 acid Substances 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 229920001971 elastomer Polymers 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims abstract description 9
- 239000003513 alkali Substances 0.000 claims description 16
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 9
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000011491 glass wool Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 235000019271 petrolatum Nutrition 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 229920002379 silicone rubber Polymers 0.000 claims 1
- 239000004945 silicone rubber Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000009970 fire resistant effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 210000002615 epidermis Anatomy 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model belongs to the technical field of the cable technique and specifically relates to a power cable, including supporting the steel wire, it is cylindrical structure to support the steel wire, it is equipped with rubber partition layer to support the steel wire, rubber partition layer is equipped with the protective layer, the protective layer is equipped with the inner core, the inner core is equipped with the inner sheath, the inner sheath is equipped with the fire-retardant layer of first high temperature, the fire-retardant layer of first high temperature is equipped with the inner insulating layer, the inner insulating layer is equipped with the conductor, the protective layer is equipped with the shielding layer, the shielding layer is equipped with the outer insulation layer, the outer insulation layer is equipped with the fire-retardant layer of second high temperature, the. The utility model discloses in, solved cable conductor friction and fire-resistant acid and alkali-resistance's shortcoming, further strengthened the protection to the cable, had wide market prospect, be fit for promoting.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a power cable.
Background
The power cable is mainly used for transmitting and distributing electric energy, is commonly used for urban power grids, underground power grids, power stations and the like, and along with the continuous progress of the society, the requirement of people on safety protection is higher and higher, in the field of power cables, people also make higher and higher requirements on the fire resistance, acid resistance and alkali resistance of the cable, in cities where people live, underground cables are more and more, the requirements on the cable are higher and more, such as good fire resistance and waterproof performance, the underground corrosion resistance is also better, along with the acceleration of time, the cable is more and more seriously aged, the requirements on the cable are higher, long-time friction between cable wires is caused, damage can occur, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcomings of cable conductor friction and fire resistance and acid and alkali resistance in the prior art and providing a power cable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
design a power cable, including supporting the steel wire, the supporting steel wire is cylindrical structure, the outside fixed connection who supports the steel wire is equipped with rubber partition layer, the outside on rubber partition layer is equipped with the protective layer through the cementing, the inside of protective layer is equipped with the inner core that five equidistance are equallyd divide through the cementing, the outside of inner core all through the cementing be equipped with the inner sheath that the protective layer is connected, the inner wall of inner sheath all is equipped with first high temperature fire-retardant layer through the cementing, the inner wall on first high temperature fire-retardant layer all is equipped with the inner insulating layer through the cementing, the inner wall of inner insulating layer all is equipped with rather than assorted conductor, the outside of protective layer is equipped with the shielding layer through the cementing, the outside of shielding layer is equipped with the outer insulating layer through the cementing, the outside of outer insulating layer is equipped with the fire-retardant layer of second high temperature, the outside of insulating layer is equipped with acid and alkali resistant layer through gluing, the outside on acid and alkali resistant layer is equipped with the oversheath through gluing.
Preferably, the supporting steel wire is of a steel wire rope structure, and the conductor is made of copper materials.
Preferably, the protective layer is made of petroleum jelly, the first high-temperature flame-retardant layer and the second high-temperature flame-retardant layer are made of silicon-containing rubber, and the shielding layer is made of net-shaped woven tin-plated copper.
Preferably, the inner insulating layer and the outer insulating layer are made of rubber insulating materials, and the heat insulating layer is made of superfine glass wool.
Preferably, the inner sheath and the outer sheath are made of polyvinyl chloride, and the acid and alkali resistant layer is made of PTFE acid and alkali resistant material.
The utility model provides a pair of power cable, beneficial effect lies in: the utility model discloses in, through the fire-retardant layer of first high temperature in the conductor outside, can prevent that the conductor catches fire because of the high heat of high temperature, and the outside of conductor still has the duplicate protection of inner insulating layer and inner sheath to prevent the electric leakage, carry out the separation between to every conductor through the protective layer, prevent to cause the impaired short circuit that causes of conductor epidermis because of rubbing between the conductor, through the outer insulating layer to the splice outside the protective layer, the fire-retardant layer of second high temperature, insulating layer and acid and alkali resistance layer, further protected the safe handling of cable to high temperature and acid-base region.
Drawings
Fig. 1 is a schematic structural diagram of a power cable according to the present invention.
In the figure: the cable comprises a supporting steel wire 1, a rubber partition layer 2, a protective layer 3, a conductor 4, an inner insulating layer 5, a first high-temperature flame-retardant layer 6, an inner sheath 7, a shielding layer 8, an outer insulating layer 9, a second high-temperature flame-retardant layer 10, a heat-insulating layer 11, an acid and alkali resistant layer 12, an outer sheath 13 and an inner core 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a power cable, including a supporting steel wire 1, the supporting steel wire 1 is a cylindrical structure, the outside fixed connection of the supporting steel wire 1 is provided with a rubber partition layer 2, the outside of the rubber partition layer 2 is provided with a protective layer 3 by cementing, the inside of the protective layer 3 is provided with five equally-divided inner cores 14 by cementing, the outside of the inner core 14 is provided with an inner sheath 7 connected with the protective layer 3 by cementing, the inner wall of the inner sheath 7 is provided with a first high temperature flame retardant layer 6 by cementing, the inner wall of the first high temperature flame retardant layer 6 is provided with an inner insulating layer 5 by cementing, the inner wall of the inner insulating layer 5 is provided with a conductor 4 matched therewith, the outside of the protective layer 3 is provided with a shielding layer 8 by cementing, the outside of the shielding layer 8 is provided with an outer insulating layer 9 by cementing, the outside of the outer insulating layer 9 is provided with a second high temperature flame retardant layer, the outer side of the heat insulation layer 11 is provided with an acid and alkali resistant layer 12 through glue joint, and the outer side of the acid and alkali resistant layer 12 is provided with an outer sheath 13 through glue joint.
The utility model discloses in, through the fire-retardant layer of first high temperature 6 in the conductor 1 outside, can prevent that conductor 1 fires because of the high heat that rises of high temperature, and the outside of conductor 1 still has the duplicate protection of inner insulating layer 5 and inner sheath 7 to prevent the electric leakage, carry out the separation between every conductor 1 through protective layer 3, prevent to cause the impaired short circuit that causes of conductor epidermis because of the friction between conductor 1, through the outer insulating layer 9 to the outer splice of protective layer 3, the fire-retardant layer of second high temperature 10, insulating layer 11 and acid and alkali resistance layer 12, the safe handling of cable to high temperature and acid-alkali region has further been protected.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a power cable, includes support steel wire (1), its characterized in that, support steel wire (1) is cylindrical structure, the outside fixed connection who supports steel wire (1) is equipped with rubber partition layer (2), the outside that rubber partition layer (2) is equipped with protective layer (3) through the bonding, the inside of protective layer (3) is equipped with inner core (14) that five equidistance were equallyd divide through the bonding, the outside of inner core (14) all be equipped with through the bonding with inner sheath (7) that protective layer (3) are connected, the inner wall of inner sheath (7) all is equipped with first high temperature fire-retardant layer (6) through the bonding, the inner wall of first high temperature fire-retardant layer (6) all is equipped with bonding inner insulating layer (5) through the bonding, the inner wall of inner insulating layer (5) all be equipped with rather than assorted conductor (4), the outside of protective layer (3) is equipped with shielding layer (8), the outside of shielding layer (8) is equipped with outer insulating layer (9) through gluing, the outside of outer insulating layer (9) is equipped with the fire-retardant layer of second high temperature (10), the outside on the fire-retardant layer of second high temperature (10) is equipped with insulating layer (11) through gluing, the outside of insulating layer (11) is equipped with acid and alkali resistant layer (12) through gluing, the outside on acid and alkali resistant layer (12) is equipped with oversheath (13) through gluing.
2. A power cable according to claim 1, characterized in that the supporting wires (1) are of wire rope construction and the conductors (4) are of copper material.
3. A power cable according to claim 1, wherein the protective layer (3) is made of petroleum jelly, the first high temperature flame retardant layer (6) and the second high temperature flame retardant layer (10) are made of silicone rubber, and the shielding layer (8) is made of net-like braided tin-plated copper.
4. A power cable according to claim 1, characterized in that the inner insulating layer (5) and the outer insulating layer (9) are made of rubber insulating material, and the insulating layer (11) is made of ultra-fine glass wool.
5. A power cable according to claim 1, characterized in that said inner sheath (7) and said outer sheath (13) are made of polyvinyl chloride, and said acid and alkali resistant layer (12) is made of PTFE acid and alkali resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921052978.7U CN210245140U (en) | 2019-07-08 | 2019-07-08 | Power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921052978.7U CN210245140U (en) | 2019-07-08 | 2019-07-08 | Power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210245140U true CN210245140U (en) | 2020-04-03 |
Family
ID=69990008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921052978.7U Expired - Fee Related CN210245140U (en) | 2019-07-08 | 2019-07-08 | Power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210245140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755153A (en) * | 2020-07-07 | 2020-10-09 | 天长市徽宁电器仪表厂 | Environment-friendly marine cable |
-
2019
- 2019-07-08 CN CN201921052978.7U patent/CN210245140U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755153A (en) * | 2020-07-07 | 2020-10-09 | 天长市徽宁电器仪表厂 | Environment-friendly marine cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 Termination date: 20200708 |
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| CF01 | Termination of patent right due to non-payment of annual fee |