CN211062496U

CN211062496U - High-temperature-resistant power cable

Info

Publication number: CN211062496U
Application number: CN201921160738.9U
Authority: CN
Inventors: 赵启年; 安学军
Original assignee: Western Cable Shaanxi Co ltd
Current assignee: Western Cable Shaanxi Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-07-21
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a high temperature resistant power cable, include around the covering, around the same and mutual superimposed cable of built-in three sizes of covering, be equipped with three filling ropes respectively at adjacent cable and around the space department between the covering, be equipped with the design and absorb water the intermediate layer at adjacent cable, filling rope and around the space department between the covering, be equipped with the metal shielding layer around the covering outside, the metal shielding layer outside is equipped with the asbestos insulating layer, the asbestos insulating layer outside is equipped with the bearing layer, and bearing layer inside evenly installs the bearing block, the bearing layer outside is equipped with high temperature resistant layer, high temperature resistant layer outside is equipped with the wearing layer, the wearing layer outside is equipped with the nanometer reflector layer. The utility model discloses have high temperature resistance can be good, waterproof, resistance to compression, performance such as wear-resisting, durable has prolonged the life of cable.

Description

High-temperature-resistant power cable

Technical Field

The utility model relates to the technical field of cables, specifically be a high temperature resistant power cable.

Background

The cable is a material used for electric power, communication and related transmission, at present, with the development of society, the number of cables as transmission media is increased, the requirements on the cable are higher and higher, and in the use process, the following problems are easy to occur to the cable:

1. in a high-temperature working environment, the electric performance of the cable is often affected due to the fact that the cable is not resistant to high temperature, and therefore normal use of the cable is affected.

2. The cable has poor compression resistance and short service life.

Therefore, there is a need for a device to solve this problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant power cable to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a high temperature resistant power cable, includes around the covering, around the built-in three same and mutual superimposed cables of size of covering, be equipped with three filling ropes respectively in adjacent cable and around the space department between the covering, be equipped with the design and absorb water the intermediate layer at adjacent cable, filling rope and around the space department between the covering, be equipped with the metal shielding layer around the covering outside, the metal shielding layer outside is equipped with the asbestos insulating layer, the asbestos insulating layer outside is equipped with the bearing layer, and bearing layer inside evenly installs the bearing block, the bearing layer outside is equipped with high temperature resistant layer, high temperature resistant layer outside is equipped with the wearing layer, the wearing layer outside is equipped with the nanometer reflector layer.

In the structure, the nanometer reflecting layer increases the reflecting effect of the cable, reduces the influence of direct sunlight on the internal material of the cable, and simultaneously reduces the temperature rise of the cable caused by direct sunlight, the wear-resistant layer increases the wear-resistant performance of the surface of the cable, the high temperature resistant layer reduces the influence of temperature on the electrical performance of the cable, and ensures the normal use of the cable, the structure of the bearing layer and the bearing block can rebound after being pressed, and plays a role in resisting pressure, the asbestos heat-insulating layer can block the external heat and prevent the asbestos heat from entering the cable to cause the temperature rise of the cable, the metal shielding layer shields the external magnetic field and the magnetic field generated by the flow of internal current, so that the signal transmission is more stable, the shaped water-absorbing interlayer actively absorbs water when a small amount of water permeates into the inner layer, keeps the working environment of the cable dry, and ensures the normal operation of the cable, the filling rope is made of glass fiber braided fabric, and has good temperature resistance and stable chemical property, so that the filling rope has strong acid and alkali resistance.

In order to further improve the using effect of the high-temperature-resistant power cable, the raw material used by the wrapping layer is a mineral strip, and the wrapping overlapping rate is not lower than 40%.

In order to further improve the use effect of the high-temperature resistant power cable, the cable comprises an insulating layer and an alloy conductor.

In order to further improve the using effect of the high-temperature-resistant power cable, the filling rope is a glass fiber braided fabric.

In order to further improve the using effect of the high-temperature-resistant power cable, the shaping water-absorbing interlayer is filled with a drying agent.

In order to further improve the use effect of the high-temperature-resistant power cable, the bearing block is of an oval structure and is made of TPU elastic materials.

In order to further improve the using effect of the high-temperature-resistant power cable, the material of the high-temperature-resistant layer is polytetrafluoroethylene.

In order to further improve the using effect of the high-temperature-resistant power cable, the wear-resistant layer is made of polystyrene added with ceramic powder.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model increases the light reflection effect of the optical cable through the nanometer light reflection layer, reduces the influence of the direct irradiation of sunlight on the inner material of the cable, simultaneously reduces the temperature rise of the cable caused by the direct irradiation of sunlight, increases the wear-resisting property of the surface of the cable through the wear-resisting layer, reduces the influence of the temperature on the electrical property of the cable through the high temperature resistant layer, ensures the normal use of the cable, can rebound after being pressed through the structure of the bearing layer and the bearing block, plays a role of compression resistance, can block the external heat through the asbestos heat-insulating layer, avoids the asbestos heat-insulating layer from entering the cable to cause the temperature rise of the cable, shields the external magnetic field and the magnetic field generated by the flowing of the internal current through the metal shielding layer, leads the signal transmission to be more stable, actively absorbs water when a small amount of water permeates into the inner layer through the sizing water absorption interlayer, keeps the working, thereby guarantee its normal operation, through the glass fiber knitting is chooseed for use to the filling rope, outside the temperature toleration is good, and chemical property is stable, so has very strong acid and alkali resistance, the utility model discloses have high temperature resistance can be good, waterproof, resistance to compression, wear-resisting performance, durable has prolonged the life of cable.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the cable of the present invention.

The reference numerals are explained below:

1. the cable comprises a wrapping layer, 2, a cable, 21, an insulating layer, 22, an alloy conductor, 3, a filling rope, 4, a shaping water absorption interlayer, 5, a metal shielding layer, 6, an asbestos heat insulation layer, 7, a pressure bearing layer, 8, a high temperature resistant layer, 9, a wear-resistant layer, 10 and a nanometer reflecting layer.

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.

Please refer to fig. 1-2, which illustrate a high temperature resistant power cable, comprising a wrapping layer 1, three cables 2 with the same size and overlapped with each other are arranged in the wrapping layer 1, three filling ropes 3 are respectively arranged at the gaps between the adjacent cables 2 and the wrapping layer 1, a shaped water-absorbing interlayer 4 is arranged at the gaps between the adjacent cables 2, the filling ropes 3 and the wrapping layer 1, a metal shielding layer 5 is arranged outside the wrapping layer 1, an asbestos thermal insulation layer 6 is arranged outside the metal shielding layer 5, a pressure bearing layer 7 is arranged outside the asbestos thermal insulation layer 6, pressure bearing blocks 71 are uniformly arranged inside the pressure bearing layer 7, a high temperature resistant layer 8 is arranged outside the pressure bearing layer 7, a wear resistant layer 9 is arranged outside the high temperature resistant layer 8, and a nano reflective layer 10 is arranged outside the wear resistant layer.

In order to further improve the using effect of the high-temperature-resistant power cable, the raw material used in the wrapping layer 1 is a mineral strip, and the wrapping overlapping rate is not lower than 40%.

In order to further improve the use effect of the high temperature resistant power cable, the cable 2 includes an insulating layer 21 and an alloy conductor 22.

In order to further improve the use effect of the high-temperature-resistant power cable, the filling rope 3 is a glass fiber braided fabric.

In order to further improve the use effect of the high-temperature-resistant power cable, the shaped water absorption interlayer 4 is filled with a drying agent.

In order to further improve the use effect of the high-temperature-resistant power cable, the bearing block 71 has an oval structure, and the bearing block 71 is made of a TPU elastic material.

In order to further improve the use effect of the high-temperature-resistant power cable, the material of the high-temperature-resistant layer 8 is polytetrafluoroethylene.

In order to further improve the use effect of the high-temperature-resistant power cable, the wear-resistant layer 9 is made of polystyrene added with ceramic powder.

The utility model discloses a concrete theory of operation does: the cable 2 is used for transmitting electric power and electric signals, the nanometer reflecting layer 10 increases the reflecting effect of the optical cable, reduces the influence of direct sunlight on the internal material of the cable, and simultaneously reduces the temperature rise of the cable caused by the direct sunlight, the wear-resisting layer 9 increases the wear-resisting property of the surface of the cable, the high temperature-resisting layer 8 reduces the influence of temperature on the electrical property of the cable, and ensures the normal use of the cable, the bearing layer 7 and the bearing block 71 can rebound after being pressed to play a role in resisting pressure, the asbestos heat-insulating layer 6 can block the external heat and prevent the heat from entering the cable to cause the temperature rise, the metal shielding layer 5 shields the magnetic field generated by the flowing of the external magnetic field and the internal current, so that the signal transmission is more stable, the sizing water-absorbing interlayer 4 actively absorbs water when a small amount of water permeates into the inner layer, and keeps the working environment of the cable dry, therefore, normal operation of the filling rope is guaranteed, and the filling rope 3 is made of glass fiber braided fabric, so that the filling rope is good in temperature resistance and stable in chemical property, and has strong acid and alkali resistance. The utility model discloses have high temperature resistance can be good, waterproof, resistance to compression, performance such as wear-resisting, durable has prolonged the life of cable.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high temperature resistant power cable which characterized in that: including around covering (1), set up three same and mutual superimposed cables (2) of size around covering (1), be equipped with three filling rope (3) respectively in adjacent cable (2) and around the space department between covering (1), be equipped with design water-absorbing interlayer (4) in adjacent cable (2), filling rope (3) and around the space department between covering (1), be equipped with metal shielding layer (5) around the covering (1) outside, the metal shielding layer (5) outside is equipped with asbestos insulating layer (6), asbestos insulating layer (6) outside is equipped with bearing layer (7), and bearing layer (7) inside evenly installs bearing block (71), the bearing layer (7) outside is equipped with high temperature resistant layer (8), high temperature resistant layer (8) outside is equipped with wearing layer (9), the wearing layer outside is equipped with nanometer reflector layer (10).

2. A high temperature resistant power cable according to claim 1, characterized in that: the material used in the wrapping layer (1) is a mineral strip, and the wrapping overlapping rate is not lower than 40%.

3. A high temperature resistant power cable according to claim 1, characterized in that: the cable (2) comprises an insulating layer (21) and an alloy conductor (22).

4. A high temperature resistant power cable according to claim 1, characterized in that: the filling rope (3) is a glass fiber braided fabric.

5. A high temperature resistant power cable according to claim 1, characterized in that: and a drying agent is filled in the shaping water absorption interlayer (4).

6. A high temperature resistant power cable according to claim 1, characterized in that: the bearing block (71) is of an oval structure, and the bearing block (71) is made of TPU elastic materials.

7. A high temperature resistant power cable according to claim 1, characterized in that: the material of the high temperature resistant layer (8) is polytetrafluoroethylene.