CN214253944U - High-strength wire cable - Google Patents
High-strength wire cable Download PDFInfo
- Publication number
- CN214253944U CN214253944U CN202120343764.6U CN202120343764U CN214253944U CN 214253944 U CN214253944 U CN 214253944U CN 202120343764 U CN202120343764 U CN 202120343764U CN 214253944 U CN214253944 U CN 214253944U
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- Prior art keywords
- layer
- insulating layer
- insulation layer
- heat
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000009413 insulation Methods 0.000 claims abstract description 37
- 238000002955 isolation Methods 0.000 claims abstract description 29
- 239000000945 filler Substances 0.000 claims abstract description 20
- 238000009421 internal insulation Methods 0.000 claims abstract description 14
- 238000009422 external insulation Methods 0.000 claims abstract description 8
- 230000007797 corrosion Effects 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 5
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 4
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 239000004945 silicone rubber Substances 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 6
- 230000032683 aging Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a high-strength wire cable, which comprises a plurality of wire cores, an inner insulating layer, a filler, a heat insulating layer and an outer insulating layer; the surface of wire core is provided with the internal insulation layer, the insulating layer includes isolation layer and heat insulation layer, the periphery of internal insulation layer is provided with the isolation layer, the filler set up in the isolation layer with between the internal insulation layer, the surface of isolation layer is provided with the heat insulation layer, the surface of isolation layer forms a plurality of array distribution's arch, the arch makes the isolation layer with form the clearance between the heat insulation layer, the surface of heat insulation layer is provided with the external insulation layer. The utility model provides a filler among high strength wire and cable can improve wire and cable's tensile and bending strength, and insulating layer wherein can slow down the temperature variation of internal and external insulation layer to extension wire and cable's life.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a high strength wire and cable.
Background
During the power-on operation process of the wire cable, the wire cable often suffers from the impact load of large current or the short-circuit current impact caused by the failure of the electric equipment, and then generates more heat in a short time, so that the temperature change of the insulating layer is large, the rapid temperature change can lead to the accelerated aging of the insulating layer, and the service life of the whole wire cable is further reduced.
And the electric wire and cable often can be in the state of bending or tensile in the use, and the effort that bending and tensile produced often is born by the insulating layer in the electric wire and cable, is in the effort for a long time, can lead to the ageing-accelerated of insulating layer, and then reduces the life of whole electric wire and cable.
Therefore, the problems of too fast temperature change of the insulating layer and too large stress exist in the use process of the current electric wire and cable.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for a high strength cable that solves the problems of too fast temperature change and too large stress on the insulation layer.
The utility model provides a high-strength wire cable, which comprises a plurality of wire cores, an inner insulating layer, a filler, a heat insulating layer and an outer insulating layer;
the surface of wire core is provided with the internal insulation layer, the insulating layer includes isolation layer and heat insulation layer, the periphery of internal insulation layer is provided with the isolation layer, the filler set up in the isolation layer with between the internal insulation layer, the surface of isolation layer is provided with the heat insulation layer, the surface of isolation layer forms a plurality of array distribution's arch, the arch makes the isolation layer with form the clearance between the heat insulation layer, the surface of heat insulation layer is provided with the external insulation layer.
Furthermore, a shielding layer is arranged on the outer surface of the inner insulating layer.
Further, a corrosion-resistant layer is arranged between the heat insulation layer and the outer insulation layer.
Further, the isolation layer is a silicone rubber layer.
Further, the heat insulating layer is a crosslinked polyethylene layer.
Further, the filler is a nylon fabric.
Compared with the prior art, the utility model provides a filler among the high strength wire and cable can share the effort that wire and cable received when being stretched or bending, has solved the too big problem of insulating layer atress.
The heat insulation layer wherein can completely cut off the temperature effectively, wherein the bulge of isolation layer for certain clearance has been formed between heat insulation layer and the isolation layer, has reduced the area of contact of heat insulation layer and isolation layer, and this heat insulation layer and isolation layer have slowed down the wire core and when receiving the electric current impact, and produced thermal transmission speed has guaranteed the relatively stable of internal and external insulation layer temperature, has solved the too fast problem of insulating layer temperature variation.
Drawings
Fig. 1 is the structural schematic diagram of the high-strength electric wire and cable provided by the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
Referring to fig. 1, the present invention provides a high strength electric wire cable, which includes a plurality of wire cores 100, an inner insulation layer 200, a filler 300, a thermal insulation layer 400, and an outer insulation layer 500.
The outer surface of the wire core 100 is provided with the inner insulating layer 200, the heat insulating layer 400 includes an insulating layer 410 and a heat insulating layer 420, the insulating layer 410 is provided on the periphery of the inner insulating layer 200, the filler 300 is provided between the insulating layer 410 and the inner insulating layer 200, and the filler 300 can share the acting force applied to the wire or cable when the wire or cable is stretched or bent.
The outer surface of the insulation layer 410 is provided with the heat insulation layer 420, and the heat insulation layer 420 can effectively insulate temperature.
The outer surface of the insulation layer 410 is formed with a plurality of protrusions arranged in an array, and the protrusions allow a gap to be formed between the insulation layer 410 and the heat insulation layer 420, thereby reducing a contact area between the insulation layer 410 and the heat insulation layer 420, and the outer surface of the heat insulation layer 420 is provided with the outer insulation layer 500.
When the wire core 100 is impacted by current, the generated heat is transferred to the insulating layer 410 through the filler 300, and in the process that the heat is transferred from the insulating layer 410 to the heat insulating layer 420, because the transfer speed of the heat at the gap is far less than the transfer speed at the protrusion, the insulating layer 410 can slow down the transfer of the heat to the heat insulating layer 420, and the heat insulating layer 420 can insulate the temperature to a certain degree, so that the transfer speed of the heat to the outer insulating layer 500 is further slowed down, the temperature of the inner insulating layer and the temperature of the outer insulating layer are relatively stable, the aging of the inner insulating layer and the outer insulating layer is slowed down, and the filler 300 can share the acting force applied to the wire cable when the wire cable is stretched or bent, and the aging of the inner insulating layer and the outer insulating layer is.
The isolation layer 400 and the filler 300 can effectively slow down the aging of the inner and outer insulation layers, and further prolong the service life of the wire and cable.
Referring to fig. 1, in an embodiment of the present invention, a shielding layer 600 is disposed on an outer surface of the inner insulating layer 200, the wire core 100 generates a magnetic field during a power-on process, and the shielding layer 600 can reduce an influence of the magnetic field on the outside.
Preferably, the shielding layer 600 may be a metal fabric, and of course, in other embodiments, the shielding layer 600 may also be other material layers, which is not limited by the present invention.
Referring to fig. 1, in an embodiment of the present invention, a corrosion-resistant layer 700 is further disposed between the insulating layer 420 and the outer insulating layer 500, and in case that the outer insulating layer 500 is slightly damaged, the corrosion-resistant layer 700 can prevent the inside of the wire and cable from being damaged by corrosion.
Preferably, the corrosion-resistant layer 700 may be a polytetrafluoroethylene fabric, and the polytetrafluoroethylene has the characteristics of being acid-resistant, alkali-resistant, and not being easily soluble in various organic solvents, and of course, in other embodiments, the corrosion-resistant layer 700 may also be another material layer, which is not limited by the present invention.
Referring to fig. 1, in an embodiment of the present invention, the isolation layer 410 is a silicone rubber layer, the silicone rubber layer has a good heat resistance, and can be used at a higher temperature for a long time.
Referring to fig. 1, in an embodiment of the present invention, the heat insulating layer 420 is a crosslinked polyethylene layer, the crosslinked polyethylene has the characteristics of high temperature resistance and long service life, and of course, in other embodiments, the heat insulating layer 420 may also be another material layer, which is not limited by the present invention.
Referring to fig. 1, in an embodiment of the present invention, the filler 300 is a nylon fabric, which has good stretch-proof and bending properties and can share the acting force of the inner insulating layer 200 and the outer insulating layer 500 when the cable is stretched or bent, so as to slow down the aging of the inner insulating layer 200 and the outer insulating layer 500.
Of course, in other embodiments, the filler 300 may also be other filler materials, which is not limited by the present invention.
To sum up, the utility model provides a filler among the high strength wire and cable can share the effort that wire and cable received when being stretched or bending, has solved the too big problem of internal and external insulation layer atress.
The heat insulation layer wherein can completely cut off the temperature effectively, wherein the bulge of isolation layer for formed the clearance between heat insulation layer and the isolation layer, reduced the area of contact of heat insulation layer and isolation layer, this heat insulation layer and isolation layer have slowed down the wire core when receiving the electric current impact, and produced thermal transmission speed has guaranteed the relatively stable of internal and external insulation layer temperature, has solved the too fast problem of internal and external insulation layer temperature variation.
In addition, the shielding layer can reduce the influence of a magnetic field on the outside, and the corrosion-resistant layer can prevent the inside of the wire and the cable from being corroded and damaged under the condition that the outer insulating layer is slightly damaged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (6)
1. A high-strength wire cable is characterized by comprising a plurality of wire cores, an inner insulating layer, fillers, a heat insulating layer and an outer insulating layer;
the surface of wire core is provided with the internal insulation layer, the insulating layer includes isolation layer and heat insulation layer, the periphery of internal insulation layer is provided with the isolation layer, the filler set up in the isolation layer with between the internal insulation layer, the surface of isolation layer is provided with the heat insulation layer, the surface of isolation layer forms a plurality of array distribution's arch, the arch makes the isolation layer with form the clearance between the heat insulation layer, the surface of heat insulation layer is provided with the external insulation layer.
2. The high strength electric wire cable according to claim 1, wherein an outer surface of the inner insulating layer is provided with a shielding layer.
3. The high-strength electric wire cable according to claim 1, wherein a corrosion-resistant layer is further provided between the heat-insulating layer and the outer insulating layer.
4. The high strength wire cable according to claim 1, wherein the barrier layer is a silicone rubber layer.
5. The high strength wire cable according to claim 1, wherein the heat insulating layer is a crosslinked polyethylene layer.
6. The high strength wire cable of claim 1 wherein the filler is a nylon fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120343764.6U CN214253944U (en) | 2021-02-05 | 2021-02-05 | High-strength wire cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120343764.6U CN214253944U (en) | 2021-02-05 | 2021-02-05 | High-strength wire cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214253944U true CN214253944U (en) | 2021-09-21 |
Family
ID=77726736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120343764.6U Expired - Fee Related CN214253944U (en) | 2021-02-05 | 2021-02-05 | High-strength wire cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214253944U (en) |
-
2021
- 2021-02-05 CN CN202120343764.6U patent/CN214253944U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210921 |