CN209766109U

CN209766109U - Polyvinyl chloride insulation power cable

Info

Publication number: CN209766109U
Application number: CN201920609074.3U
Authority: CN
Inventors: 阮小亚; 刘小华
Original assignee: Tianjin Ruiyun Wire And Cable Co Ltd
Current assignee: Tianjin Ruiyun Wire And Cable Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2019-12-10
Anticipated expiration: 2029-04-29

Abstract

the utility model relates to a power cable technical field just discloses a polyvinyl chloride insulated power cable, including the wrapping layer, the inside on wrapping layer is provided with the conductive filament, the fire-retardant layer of outer wall fixedly connected with on wrapping layer, the outer wall fixedly connected with insulating block on fire-retardant layer, the outer wall fixedly connected with band layer of insulating block, the outer wall fixedly connected with insulating layer on band layer. This insulating power cable of polyvinyl chloride, it is good to have reached insulating effectual, the easy wiring and the little purpose of production of heat, it is not good to have solved insulating effect of general insulating power cable of polyvinyl chloride, be difficult for the wiring and produce the big problem of heat, the used time of wiring has been practiced thrift, reduce the heat gathering, prevent the cable spontaneous combustion, guarantee is provided for people's life safety, the insulating nature has been increased simultaneously, prevent that electric power from exposing and causing the harm to people, further guarantee is provided for people's life safety, long service life, use cost is saved, people's user demand has been satisfied.

Description

Polyvinyl chloride insulation power cable

Technical Field

The utility model relates to a power cable technical field specifically is an insulating power cable of polyvinyl chloride.

Background

With the rapid development of national economy, the using amount and the application range of the cable used as the main artery of the national economy are larger and larger. In recent years, the demand of power plants, transformer substations, petrochemical industries and other industries on cables is extremely large. There are a wide variety of cables on the market today, which are used in a variety of different applications.

Polyvinyl chloride insulation power cable on the existing market is mostly tied the wire into one bundle, and such design leads to the wire to contact each other when using and produces the heat higher, causes the conflagration easily under specific circumstances, leads to the wiring comparatively troublesome because of the wire is close when the wiring simultaneously, has wasted a large amount of wiring time, and insulating effect is not good, and life is short.

Disclosure of Invention

Solves the technical problem

Not enough to prior art, the utility model provides an insulating power cable of polyvinyl chloride possesses insulating effectual, easy wiring and produces advantages such as heat are little, has solved the insulating problem that effect is not good, difficult wiring and production of heat are big of general insulating power cable of polyvinyl chloride.

Technical scheme

For the purpose that realizes that above-mentioned this insulating power cable of polyvinyl chloride is insulating effectual, easy wiring and production of heat are little, the utility model provides a following technical scheme: the utility model provides a polyvinyl chloride insulated power cable, includes the wrapping layer, the inside on wrapping layer is provided with the conductive filament, the fire-retardant layer of outer wall fixedly connected with on wrapping layer, the outer wall fixedly connected with insulating block on fire-retardant layer, the outer wall fixedly connected with band layer of insulating block, the outer wall fixedly connected with insulating layer on band layer, the outer wall fixedly connected with inoxidizing coating of insulating layer, the outer wall of inoxidizing coating is provided with anti-corrosion coating, the axle center department of insulating block is provided with the supporting wire, the buffering hole has been seted up to the inside of insulating block.

Preferably, the number of the insulating blocks is four, a sticky layer is arranged at the contact part of each insulating block, and the four insulating blocks are fixedly connected through the sticky layer.

Preferably, a supporting hole is formed in a contact part of the insulating block and the supporting wire, and the shape and size of the supporting hole are matched with those of the supporting wire.

Preferably, the support wire is a rigid support wire.

Preferably, the insulating layer is a polyvinyl chloride insulating layer, and the thickness of the insulating layer is three millimeters.

Preferably, the flame-retardant layer is a ceramic silica gel flame-retardant layer.

Preferably, the number of the wrapping wire layers is four, and the four wrapping wire layers are symmetrically arranged by taking the vertical center line of the support wire as a symmetry axis.

Advantageous effects

Compared with the prior art, the utility model provides an insulating power cable of polyvinyl chloride possesses following beneficial effect:

1. This insulating power cable of polyvinyl chloride, through a plurality of wrapping up in the line layer, fire-retardant layer, the conducting wire, the band layer, the insulating layer, the inoxidizing coating, the adhesion layer, the insulating block, mutually supporting in supported hole and chucking hole is used, it is good to have reached insulating effect, easily wiring and the little purpose of production of heat, it is not good to have solved the insulating effect of general insulating power cable of polyvinyl chloride, be difficult for wiring and the big problem of production of heat, the time of using of wiring has been practiced thrift, reduce the heat gathering, prevent the cable spontaneous combustion, the life safety for people provides the guarantee, the while has increased insulating nature, prevent that electric power from exposing and causing the harm to people, further provide the guarantee for people's life safety, long service life, use cost is saved, people's user demand has been satisfied.

2. This polyvinyl chloride insulation power cable uses through mutually supporting of support silk, buffer hole, support hole and inoxidizing coating, has reached the purpose that improves life, and the further life that improves the cable prevents that the cable from damaging and influencing people's work, provides the guarantee for people's economy.

Drawings

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

FIG. 2 is a schematic view of the structure of the insulation block of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a conductive filament; 2. wrapping a wire layer; 3. a flame retardant layer; 4. a buffer hole; 5. a support wire; 6. a belting layer; 7. an insulating layer; 8. a protective layer; 9. a binding layer; 10. an anti-corrosion coating; 11. an insulating block; 12. a support hole; 13. and (6) clamping the holes.

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, a polyvinyl chloride insulated power cable comprises a wrapping layer 2, conductive wires 1 are arranged inside the wrapping layer 2, a flame-retardant layer 3 is fixedly connected to the outer wall of the wrapping layer 2, the flame-retardant layer 3 is a ceramic silica gel flame-retardant layer, the flame retardancy of the ceramic silica gel flame-retardant layer is good, the conductive wires 1 are powerfully prevented from burning due to excessive heat, and the life safety of people is guaranteed, the outer wall of the flame-retardant layer 3 is fixedly connected with insulating blocks 11, the number of the insulating blocks 11 is four, a contact part of each insulating block 11 is provided with a binding layer 9, the four insulating blocks 11 are fixedly connected through the binding layers 9, the outer wall of each insulating block 11 is fixedly connected with a wrapping tape layer 6, the outer wall of the wrapping tape layer 6 is fixedly connected with an insulating layer 7, the insulating layer 7 is a polyvinyl chloride insulating layer, polyvinyl chloride belongs to a polar high polymer, and has high affinity, therefore, the electrical resistance is lower than that of non-polar polyolefins, but the volume cathode and breakdown voltage are still higher. Polar groups of polyvinyl chloride are directly attached to a main chain, dipole chain segments are limited by main chain atoms of a frozen structure and cannot move at the temperature below the glass transition temperature, so that the double-pole chain segments do not generate a dipole effect and can be used as a room-temperature high-frequency insulating material, a polyvinyl chloride insulating layer has good insulating property and can well prevent electric power from leaking, the life safety of people is guaranteed, the thickness of the insulating layer 7 is three millimeters, the outer wall of the insulating layer 7 is fixedly connected with a protective layer 8, the outer wall of the protective layer 8 is provided with an anti-corrosion coating 10, the anti-corrosion coating 10 is a perchloroethylene anti-corrosion coating, the anti-corrosion effect is good, the service life of the cable is prolonged, a supporting wire 5 is arranged at the axis of an insulating block 11, the supporting wire 5 is a rigid supporting wire, the stability and the plasticity of the steel wire are good, the cable is convenient to, the shape and size of the supporting hole 12 are matched with the shape and size of the supporting wire 5, the buffer hole 4 is formed in the insulating block 11, the number of the wrapping wire layers 2 is four, the four wrapping wire layers 2 are symmetrically arranged by taking the vertical central line of the supporting wire 5 as a symmetry axis, the buffer hole 4, the supporting hole 12 and the protective layer 8 are matched with each other for use, the purpose of prolonging the service life is achieved, the service life of the cable is further prolonged, the phenomenon that the work of people is influenced due to the damage of the cable is prevented, the economy of people is guaranteed, the insulating effect is good, the wiring is easy and the heat generation is small by using the wrapping wire layers 2, the flame-retardant layer 3, the conductive wire 1, the wrapping tape layer 6, the insulating layer 7, the protective layer 8, the bonding layer 9, the insulating block 11, the supporting hole 12 and the clamping hole 13 in a matched mode, the insulating effect of a common polyvinyl chloride insulated power cable is good, the, The problem of difficult wiring and the production of heat are big has practiced thrift the used time of wiring, reduces the heat gathering, prevents the cable spontaneous combustion, provides the guarantee for people's life safety, has increased insulating nature simultaneously, prevents that electric power from exposing and causing the harm to people, and further provides the guarantee for people's life safety, and long service life has practiced thrift use cost, has satisfied people's user demand.

When the cable connector is used, the conductive wire 1 is connected with the connector, the connector is inserted into equipment to be connected, the supporting wire 5 provides supporting force for the cable, the situation that the cable is damaged by people due to insufficient random supporting force is avoided, the conductive wire 1 is arranged in a separated mode through the clamping hole 13 in the insulating block 11, and people butt different wiring harnesses during wiring.

To sum up, this insulating power cable of polyvinyl chloride has reached insulating effectual, easy wiring and the little purpose of production of heat, has solved that general insulating power cable of polyvinyl chloride is not good, difficult wiring and the big problem of production of heat, for people's life safety provides the guarantee, and long service life has practiced thrift use cost, has satisfied people's user demand.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a polyvinyl chloride insulated power cable, includes wiring layer (2), its characterized in that: the novel insulation layer is characterized in that conductive wires (1) are arranged inside the wrapping layer (2), the outer wall of the wrapping layer (2) is fixedly connected with a flame-retardant layer (3), the outer wall of the flame-retardant layer (3) is fixedly connected with an insulation block (11), the outer wall of the insulation block (11) is fixedly connected with a wrapping layer (6), the outer wall of the wrapping layer (6) is fixedly connected with an insulation layer (7), the outer wall of the insulation layer (7) is fixedly connected with a protective layer (8), the outer wall of the protective layer (8) is provided with an anti-corrosion coating (10), supporting wires (5) are arranged at the axis of the insulation block (11), and a buffering hole (4) is formed inside the insulation block (11).

2. A polyvinyl chloride insulated power cable according to claim 1, characterized in that: the number of the insulating blocks (11) is four, the contact part of each insulating block (11) is provided with a sticking layer (9), and the four insulating blocks (11) are fixedly connected through the sticking layers (9).

3. A polyvinyl chloride insulated power cable according to claim 1, characterized in that: supporting holes (12) are formed in the contact positions of the insulating blocks (11) and the supporting wires (5), and the shapes and the sizes of the supporting holes (12) are matched with those of the supporting wires (5).

4. A polyvinyl chloride insulated power cable according to claim 1, characterized in that: the supporting wires (5) are rigid supporting wires.

5. A polyvinyl chloride insulated power cable according to claim 1, characterized in that: the insulating layer (7) is a polyvinyl chloride insulating layer, and the thickness of the insulating layer (7) is three millimeters.

6. A polyvinyl chloride insulated power cable according to claim 1, characterized in that: the flame-retardant layer (3) is a ceramic silica gel flame-retardant layer.

7. A polyvinyl chloride insulated power cable according to claim 1, characterized in that: the number of the wrapping wire layers (2) is four, and the four wrapping wire layers (2) are symmetrically arranged by taking the vertical central line of the supporting wire (5) as a symmetry axis.