CN208335817U

CN208335817U - A kind of low temperature resistant cable

Info

Publication number: CN208335817U
Application number: CN201821143481.1U
Authority: CN
Inventors: 汤善卿
Original assignee: Shandong Zhongmai Cable Co Ltd
Current assignee: Shandong Zhongmai Cable Co Ltd
Priority date: 2018-07-19
Filing date: 2018-07-19
Publication date: 2019-01-04
Anticipated expiration: 2028-07-19

Abstract

The utility model relates to field of cable technology, especially a kind of low temperature resistant cable, including insulating layer, it is equipped with multiple conducting wires in the insulating layer, and multiple conducting wires are mutually twisted, insulating layer is equipped on the outside of the insulating layer, flame-retardant layer is equipped on the outside of the insulating layer, it is equipped with elastic layer on the outside of the flame-retardant layer, freeze proof layer is equipped on the outside of the elastic layer, is equipped with wearing layer on the outside of the freeze proof layer.The utility model enhances the lower temperature resistance of cable, is conducive to extend the service life of cable at low ambient temperatures.

Description

A kind of low temperature resistant cable

Technical field

The utility model relates to field of cable technology, more particularly to a kind of low temperature resistant cable.

Background technique

Cable is usually the cable of similar rope as several or made of several groups of wire strandings, between every group of conducting wire mutually absolutely Edge, and be often twisted into around a center, entire outside is surrounded by the coating of high-insulation.Multi rack is located at aerial or is mounted in ground Under, it is water-bed, be used for telecommunication or power Transmission.Existing cable in the weather of low-temperature cold, easy cable becomes fragile, and occurs broken Damage fracture causes transmission line of electricity impaired, so it is proposed that a kind of low temperature resistant cable.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and the electricity that the one kind proposed is low temperature resistant Cable.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of low temperature resistant cable, including insulating layer are designed, multiple conducting wires, and multiple conducting wire phases are equipped in the insulating layer It is mutually twisted, it is equipped with insulating layer on the outside of the insulating layer, flame-retardant layer is equipped on the outside of the insulating layer, is equipped with bullet on the outside of the flame-retardant layer Property layer, be equipped with freeze proof layer on the outside of the elastic layer, be equipped with wearing layer on the outside of the freeze proof layer.

Preferably, the elastic layer includes butadiene rubber layer, and TPE layers are equipped on the inside of the butadiene rubber layer.

Preferably, the insulating layer internal diameter accounts for 3/5ths of cable size.

Preferably, the wearing layer includes ABS resin layer, and polyamide resin layer is equipped on the outside of the ABS resin layer.

The utility model proposes the low temperature resistant cable of one kind, beneficial effect is: the design of freeze proof layer enhances cable Anti-seismic design, prevents cable from brittle failure is occurred by low temperature, and the design of elastic layer plays buffering when cable is by cold events Effect, prevents the internal structure of cable to be destroyed, while also enhancing the elasticity of cable, convenient for carrying out take-up winding to cable, The design of ABS resin layer enhances the intensity and toughness of cable, prevents cable by external pressure, and making cable, deformation occurs, leads Cable failure is caused to cause peril, the design of polyamide resin layer enhances the wear resistance of cable, prevents cable Breakage causes the leakage of conducting wire.

Detailed description of the invention

Fig. 1 be the utility model proposes the low temperature resistant cable of one kind structural schematic diagram；

Fig. 2 is the structural schematic diagram of elastic layer；

Fig. 3 is the structural schematic diagram of wearing layer.

In figure: conducting wire 1, wearing layer 2, ABS resin layer 21, polyamide resin layer 22, freeze proof layer 3, flame-retardant layer 4, elastic layer 5, butadiene rubber layer 51, TPE layer 52, insulating layer 6, insulating layer 7.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-3, a kind of low temperature resistant cable, including insulating layer 7, insulating layer 7 are made of rubber, and rubber has good Insulation effect, so that insulating layer 7 is played the effect of insulation, insulating layer 7 accounts for cable size with a thickness of 2mm-3mm, 7 internal diameter of insulating layer 3/5ths, multiple conducting wires 1 are equipped in insulating layer 7, and multiple conducting wires 1 are mutually twisted, the diameter of conducting wire 1 is 1.5mm- 2.2mm, conducting wire 1 are made of copper wire, and copper wire has good electric conductivity, it is possible to reduce the loss of electric energy is equipped on the outside of insulating layer 7 and protects Warm layer 6, insulating layer 6 are made with a thickness of 2.2mm-3.5mm, insulating layer 6 of glass fibre, and glass fibre is good electrical isolation material Material and heat-insulating material are equipped with flame-retardant layer 4 on the outside of insulating layer 6, and flame-retardant layer 4 is with a thickness of 1.8mm-2.2mm, and flame-retardant layer 4 is by stone Cotton fiber is made, and asbestos fibre has good anti-flammability, and the design of insulating layer 6 plays the effect kept the temperature to inside, prevents Extraneous low temperature flows into, and causes cable to become fragile, cable is made to be damaged, while insulating layer 6 also has good insulation effect, when exhausted When edge layer 7 is damaged, insulation can be played the role of, the design of flame-retardant layer 4 plays fire-retardant effect, prevents cable by fire It is damaged.

Elastic layer 5 is equipped on the outside of flame-retardant layer 4, for elastic layer 5 with a thickness of 2.1mm-2.5mm, elastic layer 5 includes butadiene rubber layer 51, butadiene rubber layer 51 is made of butadiene rubber, and butadiene rubber has good elastic force, is equipped with TPE layers on the inside of butadiene rubber layer 51 It is made of thermoplastic elastomer (TPE) for 52, TPE layer 52, has high-intensitive and high resiliency, be equipped with freeze proof layer 3, freeze proof layer 3 on the outside of elastic layer 5 Be made of polytetrafluoroethylene (PTFE), polytetrafluoroethylene (PTFE) have lower temperature resistance, it is still soft at subzero 100 degree, freeze proof layer 3 with a thickness of 1.9mm-2.3mm is equipped with wearing layer 2 on the outside of freeze proof layer 3, and for wearing layer 2 with a thickness of 1.3mm-1.6mm, wearing layer 2 includes ABS tree Rouge layer 21, ABS resin layer 21 are made of ABS resin, and ABS resin has the characteristics that high intensity, are equipped on the outside of ABS resin layer 21 poly- Amide resin layer 22, polyamide resin layer 22 are made of polyamide resin layer, and polyamide has good wearability, polyamide The design of resin layer 22 enhances the wearability of cable, cable is prevented to be worn, and causes to leak electricity, and 21 layers of ABS resin layer set Meter, enhances the intensity of cable, prevents cable by ambient pressure, causing cable, deformation occurs, causes the breakage of cable, freeze proof Layer 3 plays the effect of low-temperature resistance, and when preventing cable by low temperature, cable, which becomes fragile, to be broken, and enhances the low temperature resistivity of cable, The design of elastic layer 5, at cable in low temperature environment, cable can be shunk, and elastic layer 5 plays the role of buffering, be prevented Cable shrinkage, causes the damage inside inside cable, and the design of TPE layer 52 is risen in 51 pairs of cable of butadiene rubber layer by cold events When buffer function, play the role of support to butadiene rubber layer 51.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims

1. a kind of low temperature resistant cable, including insulating layer (7), it is equipped with multiple conducting wires (1) in the insulating layer (7), and multiple is led Line (1) is mutually twisted, which is characterized in that is equipped with insulating layer (6) on the outside of the insulating layer (7), is equipped on the outside of the insulating layer (6) Flame-retardant layer (4), flame-retardant layer (4) outside is equipped with elastic layer (5), is equipped with freeze proof layer (3) on the outside of the elastic layer (5), described Wearing layer (2) are equipped on the outside of freeze proof layer (3).

2. the low temperature resistant cable of one kind according to claim 1, which is characterized in that the elastic layer (5) includes along fourth rubber Glue-line (51), butadiene rubber layer (51) inside are equipped with TPE layers (52).

3. the low temperature resistant cable of one kind according to claim 1, which is characterized in that insulating layer (7) internal diameter accounts for cable 3/5ths of diameter.

4. the low temperature resistant cable of one kind according to claim 1, which is characterized in that the wearing layer (2) includes ABS resin Layer (21), ABS resin layer (21) outside are equipped with polyamide resin layer (22).