CN210123671U - Anti-extrusion power cable for large-scale building - Google Patents
Anti-extrusion power cable for large-scale building Download PDFInfo
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- CN210123671U CN210123671U CN201921152939.4U CN201921152939U CN210123671U CN 210123671 U CN210123671 U CN 210123671U CN 201921152939 U CN201921152939 U CN 201921152939U CN 210123671 U CN210123671 U CN 210123671U
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Abstract
The utility model discloses an anti extrusion power cable for large-scale building, including the conductor, the insulation shielding outside is provided with the heat-conducting layer, and the heat-conducting layer outside is provided with the heat-sink shell, and the outside of heat-sink shell is provided with the insulating layer, and the outside of insulating layer is provided with the elastic material layer, and the elastic material layer outside is provided with metal sheath, and metal sheath's the outside is provided with fire-retardant shell. The utility model discloses in, through the heat-conducting layer that sets up, heat-sink shell and insulating layer, can in time derive and absorb the heat that produces when flowing current in the conductor, and isolated external heat, guarantee that the cable can not be in high temperature state for a long time, the life of cable has been prolonged, the elastic material layer of setting, guarantee when receiving outside extrusion, the elastic material layer can contract, bear external extrusion, guarantee that inside conductor can not receive the extrusion and warp or break, the fire-retardant shell of setting, guarantee when taking place the conflagration, the cable can not directly be on fire the outage, there is great help to personnel evacuation and putting out a fire.
Description
Technical Field
The utility model relates to a power cable technical field especially relates to an anti extrusion power cable for large-scale building.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater.
The existing cable is easy to deform and even break due to extrusion when in use, so that the problem of power supply is caused, heat can be generated when power is supplied, the cable on the market cannot dissipate heat for a long time, the cable is greatly damaged, and when a fire disaster occurs, the cable is not provided with a flame retardant device, can catch fire and burn, stops supplying power, and has great influence on personnel evacuation and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art and providing an anti-extrusion power cable for large buildings.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an anti extrusion power cable for large-scale building, includes the conductor, the outside of conductor is provided with the shielding net, the outside of shielding net is provided with the insulating layer, the outside of insulating layer is provided with insulation shielding, the insulation shielding outside is provided with the heat-conducting layer, the heat-conducting layer outside is provided with the heat-sink shell, the outside of heat-sink shell is provided with the insulating layer, the outside of insulating layer is provided with the elastic material layer, the elastic material layer outside is provided with metal sheath, metal sheath's the outside is provided with fire-retardant shell.
As a further description of the above technical solution:
the heat absorbing layer is fixedly connected to the outer side face of the heat conducting layer, and the heat insulating layer is fixedly connected to the outer side face of the heat absorbing layer.
As a further description of the above technical solution:
the elastic material layer is movably connected to the outer side face of the heat insulation layer, and the metal sheath is movably connected to the outer side face of the elastic material layer.
As a further description of the above technical solution:
the flame-retardant shell is fixedly connected to the outer side face of the metal sheath, and the conductor is movably connected to the inner side face of the shielding net.
As a further description of the above technical solution:
the shielding net is movably connected to the inner side face of the insulating layer, and the insulating layer is movably connected to the inner side face of the insulating shield.
As a further description of the above technical solution:
the insulation shielding is distributed on the inner side of the heat conduction layer in an annular array mode, and the heat conduction layer is movably connected to the insulation shielding.
As a further description of the above technical solution:
the insulating layer is movably connected to the inner side face of the metal sheath through the elastic material layer, and the conductor is movably connected to the insulating layer through the shielding net.
The utility model discloses in, through the heat-conducting layer that sets up, heat-sink shell and insulating layer, can in time derive and absorb the heat that produces when flowing current in the conductor, and isolated external heat, guarantee that the cable can not be in high temperature state for a long time, the life of cable has been prolonged, the elastic material layer of setting, guarantee when receiving outside extrusion, the elastic material layer can contract, bear external extrusion, guarantee that inside conductor can not receive the extrusion and warp or break, the fire-retardant shell of setting, guarantee when taking place the conflagration, the cable can not directly be on fire the outage, there is great help to personnel evacuation and putting out a fire.
Drawings
Fig. 1 is a cross-sectional view of an anti-extrusion power cable for large buildings according to the present invention;
fig. 2 is an internal structure view of an anti-extrusion power cable for large buildings according to the present invention;
fig. 3 is an external structure view of the anti-extrusion power cable for large-scale buildings provided by the utility model.
Illustration of the drawings:
1. a conductor; 2. a shielding mesh; 3. an insulating layer; 4. insulating shielding; 5. a heat conductive layer; 6. a heat absorbing layer; 7. a thermal insulation layer; 8. a layer of elastomeric material; 9. a metal sheath; 10. a flame retardant housing.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, an anti-extrusion power cable for large buildings comprises a conductor 1, a shielding net 2 is arranged on the outer side of the conductor 1, an insulating layer 3 is arranged on the outer side of the shielding net 2, an insulating shield 4 is arranged on the outer side of the insulating layer 3, a heat conduction layer 5 is arranged on the outer side of the insulating shield 4, a heat absorption layer 6 is arranged on the outer side of the heat conduction layer 5, a heat insulation layer 7 is arranged on the outer side of the heat absorption layer 6, an elastic material layer 8 is arranged on the outer side of the heat insulation layer 7, a metal sheath 9 is arranged on the outer side.
The heat absorbing layer 6 is fixedly connected to the outer side surface of the heat conducting layer 5, heat conducted out of the heat conducting layer 5 can be absorbed quickly, the conductor 1 in the cable is prevented from being damaged, the service life of the cable is prolonged, the heat insulating layer 7 is fixedly connected to the outer side surface of the heat absorbing layer 6, external heat can be prevented from entering the cable, the cable is prevented from being damaged when being in a high-temperature state for a long time, the elastic material layer 8 is movably connected to the outer side surface of the heat insulating layer 7, extrusion force transmitted from the outside can be relieved and absorbed in time, extrusion into the cable is avoided, the conductor 1 is prevented from being deformed or broken, the metal sheath 9 is movably connected to the outer side surface of the elastic material layer 8, strong external support is provided for the elastic material layer 8, the flame-retardant shell 10 is fixedly connected to the outer, and the conductor 1 is movably connected with the inner side surface of the shielding net 2, the shielding net 2 is movably connected with the inner side surface of the insulating layer 3, and the insulating layer 3 is movably connected with the inner side surface of the insulating shield 4, so as to shield the outside mixed and disorderly signals, the insulating shield 4 is distributed on the inner side of the heat conduction layer 5 in an annular array manner, because a plurality of conductors 1 are arranged in the cable, the cable is distributed in an annular array manner and is more convenient to install and use, the heat conduction layer 5 is movably connected with the insulating shield 4, the heat conduction layer 5 is positioned in the gap of each insulating shield 4, so as to ensure that the heat generated in the cable can be rapidly and completely led out, avoid the regional heat conduction, and cause the damage of the cable, the heat insulation layer 7 is movably connected with the inner side surface of the metal sheath 9 through the elastic material layer 8, the elastic material layer, the insulating layer 3 isolates the current inside the conductor 1, avoiding accidents during installation.
The working principle is as follows: firstly, the cable is installed at a required position, when current passes through the conductor 1, heat can be generated and can be transmitted out through the shielding net 2, the insulating layer 3 and the insulating shield 4 on the outer side, after the heat conduction layer 5 senses the heat, the heat can be rapidly guided out to the heat absorption layer 6, the heat absorption layer 6 can rapidly absorb the heat, the cable is prevented from being damaged by long-time high temperature, when the external temperature is higher, the heat insulation layer 7 isolates the high temperature outside, the internal temperature is ensured not to be influenced by the external temperature, when the outer side of the cable is extruded, the extruded force can be transmitted into the elastic material layer 8 through the flame-retardant shell 10 and the metal sheath 9, the elastic material layer 8 is stressed and compressed, the pressure transmitted from the outside is relieved and absorbed, the external pressure can not be transmitted to the inside, the internal conductor 1 can not be stressed, and can not deform or, the life of extension cable, when the external conflagration breaing out, fire-retardant shell 10 can keep off the conflagration in the outside, and the cable can not be because of catching fire the infant and take place the outage, provides guarantee and prerequisite for personnel's evacuation, put out a fire and the later stage continues the construction.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. An anti-extrusion power cable for large buildings comprises a conductor (1), and is characterized in that: the outer side of the conductor (1) is provided with a shielding net (2), the outer side of the shielding net (2) is provided with an insulating layer (3), the outer side of the insulating layer (3) is provided with an insulating shield (4), the outer side of the insulating shield (4) is provided with a heat conduction layer (5), the outer side of the heat conduction layer (5) is provided with a heat absorption layer (6), the outer side of the heat absorption layer (6) is provided with a heat insulation layer (7), the outer side of the heat insulation layer (7) is provided with an elastic material layer (8), the outer side of the elastic material layer (8) is provided with a metal sheath (9), and the outer side of the metal sheath.
2. The crush-resistant power cable for large buildings according to claim 1, wherein: the heat absorbing layer (6) is fixedly connected to the outer side face of the heat conducting layer (5), and the heat insulating layer (7) is fixedly connected to the outer side face of the heat absorbing layer (6).
3. The crush-resistant power cable for large buildings according to claim 1, wherein: the elastic material layer (8) is movably connected to the outer side face of the heat insulation layer (7), and the metal sheath (9) is movably connected to the outer side face of the elastic material layer (8).
4. The crush-resistant power cable for large buildings according to claim 1, wherein: the flame-retardant shell (10) is fixedly connected to the outer side face of the metal sheath (9), and the conductor (1) is movably connected to the inner side face of the shielding net (2).
5. The crush-resistant power cable for large buildings according to claim 1, wherein: the shielding net (2) is movably connected to the inner side face of the insulating layer (3), and the insulating layer (3) is movably connected to the inner side face of the insulating shield (4).
6. The crush-resistant power cable for large buildings according to claim 1, wherein: the insulation shield (4) is distributed on the inner side of the heat conduction layer (5) in an annular array mode, and the heat conduction layer (5) is movably connected to the insulation shield (4).
7. The crush-resistant power cable for large buildings according to claim 1, wherein: the heat insulation layer (7) is movably connected to the inner side face of the metal sheath (9) through the elastic material layer (8), and the conductor (1) is movably connected to the insulation layer (3) through the shielding net (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921152939.4U CN210123671U (en) | 2019-07-22 | 2019-07-22 | Anti-extrusion power cable for large-scale building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921152939.4U CN210123671U (en) | 2019-07-22 | 2019-07-22 | Anti-extrusion power cable for large-scale building |
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| Publication Number | Publication Date |
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| CN210123671U true CN210123671U (en) | 2020-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921152939.4U Active CN210123671U (en) | 2019-07-22 | 2019-07-22 | Anti-extrusion power cable for large-scale building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112351531A (en) * | 2020-11-09 | 2021-02-09 | 安邦电气股份有限公司 | Combined self-temperature-limiting electric tracing band |
-
2019
- 2019-07-22 CN CN201921152939.4U patent/CN210123671U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112351531A (en) * | 2020-11-09 | 2021-02-09 | 安邦电气股份有限公司 | Combined self-temperature-limiting electric tracing band |
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