CN214753039U

CN214753039U - Anti-seismic fire-resistant cross-linked polyethylene insulated power cable

Info

Publication number: CN214753039U
Application number: CN202121133541.3U
Authority: CN
Inventors: 黄良泽; 陈旭靖; 张信苹; 石丰富
Original assignee: Yunnan Dongjin Wire Cable Manufacture Co ltd
Current assignee: Yunnan Dongjin Cable Group Co.,Ltd.
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-11-16
Anticipated expiration: 2031-05-25

Abstract

The utility model relates to an insulating power cable of fire-resistant crosslinked polyethylene of antidetonation belongs to transmission of electricity, distribution technical field, the insulating layer periphery cladding of the insulating layer of the insulating power cable of fire-resistant crosslinked polyethylene of antidetonation has shock insulation layer and extexine, the inside packing of shock insulation layer has the bubble chamber membrane, the bubble chamber membrane can effectively provide the buffering, play shock-resistant effect, insulating layer surface cladding has the foam blanket, the elasticity of foam blanket itself also can provide the buffering, promote the anti-seismic performance of cable, the insulating layer is the polypropylene material, good high temperature resistance has, extexine and shock insulation layer are the polyethylene material, the low temperature resistance of polyethylene material can be superior to the polypropylene material, the setting is peripheral at the cable, change external environment, extension cable life.

Description

Anti-seismic fire-resistant cross-linked polyethylene insulated power cable

Technical Field

The utility model belongs to distribution, power consumption technique, specifically speaking, the utility model relates to an antidetonation fire-resistant crosslinked polyethylene insulation power cable.

Background

With the progress of society, the cable is gradually changed from 'skynet' to underground burying in cities, although the environment of the cities is beautified, the risk of cable accidents is increased, for example, under the conditions of civil engineering, industrial production, urban pipe network construction, natural earthquakes and the like, the cable works in the environment with a complex geological structure or vibration, the twisted cable core inside the cable is easy to loosen, the service life of the cable is shortened, the damage caused by the cable cannot be easily seen from the appearance, the safety of the cable is reduced, and once the cable core is exposed or broken, the normal work of the cable is influenced, and even electric shock accidents occur; therefore, the anti-seismic performance of the cable is good, the safety performance of the cable can be effectively improved, the structure of the cable is generally simpler due to the consideration of a plurality of factors such as cost saving and production efficiency improvement, the basic working performance and safety performance can only be met, and the cable can not be dealt with by accident in many cases.

Disclosure of Invention

For overcoming the problem that exists among the background art, the utility model discloses an insulating power cable of fire-resistant crosslinked polyethylene of antidetonation, the insulating layer periphery cladding of the insulating layer of the insulating power cable of fire-resistant crosslinked polyethylene of antidetonation has shock insulation layer and extexine, the inside packing of shock insulation layer has the bubble chamber membrane, the bubble chamber membrane can effectively provide the buffering, play shock-resistant effect, insulating layer surface cladding has the foam blanket, the elasticity of foam blanket itself also can provide the buffering, promote the anti-seismic performance of cable, the insulating layer is the polypropylene material, good high temperature resistance has, extexine and shock insulation layer are the polyethylene material, the low temperature resistance of polyethylene material can be superior to the polypropylene material, the setting is peripheral at the cable, change external environment, extension cable life.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the fire-resistant crosslinked polyethylene insulation power cable of antidetonation mainly includes extexine, shock insulation layer, insulating layer, cable, the extexine cladding is at the shock insulation layer surface, and the shock insulation layer cladding is at the insulating layer surface, and the cable setting is inside the insulating layer, the inside packing of shock insulation layer has the bubble chamber membrane, and the peripheral cladding of insulating layer has the foam blanket, and the inside cable mouth that is provided with of insulating layer, cable follow cable mouth and insert.

The outer surface layer is of a double-layer structure, and the two outer surface layers are adhered together.

The shock insulation layer is of a double-layer structure, and the two shock insulation layers are adhered together.

The foam layer is adhered to the outer surface of the insulating layer.

The insulating layer is polypropylene material, and insulating layer inside is provided with at least three cable mouth.

The outer surface of the cable is coated with an outer cladding layer which is made of polypropylene materials.

The outer surface layer and the shock insulation layer are made of polyethylene.

The utility model has the advantages that: the insulating layer periphery cladding of the fire-resistant crosslinked polyethylene insulation power cable of antidetonation has shock insulation layer and extexine, the inside packing of shock insulation layer has the bubble chamber membrane, the bubble chamber membrane can effectively provide the buffering, play shock-resistant effect, insulating layer surface cladding has the foam blanket, the elasticity of foam blanket itself also can provide the buffering, promote the anti-seismic performance of cable, the insulating layer is the polypropylene material, good high temperature resistance has, extexine and shock insulation layer are the polyethylene material, the polypropylene material is superior to the low temperature resistance ability of polyethylene material, the setting is peripheral at the cable, change the external environment of reply, extension cable life.

Drawings

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

FIG. 2 is a schematic structural diagram of an outer surface layer and a seismic isolation layer;

fig. 3 is a schematic structural view of the cable.

In the figure, 1-an outer surface layer, 2-a shock insulation layer, 3-an insulating layer, 4-a cable, 5-a bubble film, 6-a foam layer and 7-a cable port.

Detailed Description

In order to make the above objects, technical solutions and advantages clearer and clearer, the present invention is specifically described below with reference to the accompanying drawings.

As shown in fig. 1-3, the anti-seismic fire-resistant cross-linked polyethylene insulated power cable mainly comprises an outer surface layer 1, a shock insulation layer 2, an insulating layer 3 and a cable 4, wherein the outer surface layer 1 is coated on the outer surface of the shock insulation layer 2, the outer surface layer 1 is of a double-layer structure, the two outer surface layers 1 are adhered together, the shock insulation layer 2 is coated on the outer surface of the insulating layer 3, the shock insulation layer 2 is of a double-layer structure, the two shock insulation layers 2 are adhered together, the cable is arranged inside the insulating layer 3, a bubble film 5 is filled inside the shock insulation layer 2, a foam layer 6 is coated on the periphery of the insulating layer 3, the foam layer 6 is adhered on the outer surface of the insulating layer 3, a cable port 7 is arranged inside the insulating layer 3, the insulating layer 3 is made of polypropylene, at least three cable ports 7 are arranged inside the insulating layer 3, the cable 4 is inserted from the cable port 7, the outer surface of the cable 4 is coated with an outer coating layer, and the outer coating is made of polypropylene, the outer surface layer 1 and the shock insulation layer 2 are made of polyethylene.

Insulating layer periphery cladding of antidetonation fire-resistant crosslinked polyethylene insulation power cable has shock insulation layer 2 and extexine 1, shock insulation layer 2 inside packing has bubble chamber film 5, bubble chamber film 5 can effectively provide the buffering, play antidetonation effect, 2 surface claddings of insulating layer have foam 6, the elasticity of foam 6 itself also can provide the buffering, promote the anti-seismic performance of cable, insulating layer 2 is the polypropylene material, good high temperature resistance has, the heat resistance of polypropylene will be higher than the polyethylene, insulating layer 2 and peridium are the polypropylene material, direct and 4 inside copper conductor contact of cable, the heat resistance is better, extexine 1 and shock insulation layer 2 are the polyethylene material, the low temperature resistance ability and the ageing resistance ability of polyethylene material are superior to the polypropylene material, the setting is in the cable periphery, it deals with the external environment more easily, extension cable life.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an insulating power cable of fire-resistant crosslinked polyethylene of antidetonation, a serial communication port, insulating layer, cable are mainly included to the insulating power cable of fire-resistant crosslinked polyethylene of antidetonation, extexine cladding is at the shock insulation layer surface, and the shock insulation layer cladding is at the insulating layer surface, and the cable setting is inside the insulating layer, the inside packing of shock insulation layer has the bubble chamber membrane, and the peripheral cladding of insulating layer has the foam blanket, and the inside cable mouth that is provided with of insulating layer, cable follow cable mouth and insert.

2. An earthquake-resistant fire-resistant cross-linked polyethylene insulated power cable according to claim 1, characterized in that: the outer surface layer is of a double-layer structure, and the two outer surface layers are adhered together.

3. An earthquake-resistant fire-resistant cross-linked polyethylene insulated power cable according to claim 1, characterized in that: the shock insulation layer is of a double-layer structure, and the two shock insulation layers are adhered together.

4. An earthquake-resistant fire-resistant cross-linked polyethylene insulated power cable according to claim 1, characterized in that: the foam layer is adhered to the outer surface of the insulating layer.

5. An earthquake-resistant fire-resistant cross-linked polyethylene insulated power cable according to claim 1, characterized in that: the insulating layer is polypropylene material, and insulating layer inside is provided with at least three cable mouth.

6. An earthquake-resistant fire-resistant cross-linked polyethylene insulated power cable according to claim 1, characterized in that: the outer surface of the cable is coated with an outer cladding layer which is made of polypropylene materials.

7. An earthquake-resistant fire-resistant cross-linked polyethylene insulated power cable according to claim 1, characterized in that: the outer surface layer and the shock insulation layer are made of polyethylene.