CN212782836U

CN212782836U - Enhanced plastic cable

Info

Publication number: CN212782836U
Application number: CN202020927894.XU
Authority: CN
Inventors: 严长扣
Original assignee: Jiangsu Huayan New Material Co ltd
Current assignee: Jiangsu Huayan New Material Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-03-23
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a belong to the technical field of cables, in particular to an enhanced plastic cable, which comprises a cable core, an inner sheath and an outer sheath, wherein the outer side of the cable core is coated with an insulating layer, the cable core is positioned inside the inner sheath, a first filling layer is arranged between the insulating layer and the inner sheath, the outer wall of the insulating layer is coated with a heat conduction layer, the inner sheath is positioned inside the outer sheath, a second filling layer is arranged between the outer sheath and the heat conduction layer, the outer wall of the outer sheath is provided with a groove, a heat conduction hole is arranged between the second filling layer and the outer sheath, the heat conduction hole is communicated with the groove, heat conduction insulating rubber is filled in the heat conduction hole, heat generated inside the cable can be distributed out through the arrangement of the heat conduction layer, the heat conduction insulating rubber and heat dissipation silicone grease, the temperature of the cable is reduced, and the, the compression resistance of the cable is enhanced, and the cable is not easy to crush.

Description

Enhanced plastic cable

Technical Field

The utility model relates to the technical field of cables, specifically be an enhancement mode plastic cable.

Background

A cable is an electrical energy or signal transmission device, generally formed by twisting several or several groups of conductors, like a rope, each group of conductors being insulated from each other and often twisted around a center, the whole being covered with a highly insulating covering. The cable has the characteristics of internal electrification and external insulation.

The existing cable has insufficient pressure resistance and is easy to break when buried underground, thereby causing the damage of the cable; the normal use of cable can be influenced to the high temperature of cable, and current cable heat dissipation is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reinforced plastic cable to current cable compressive capacity who proposes in solving above-mentioned background art is not enough, buries and breaks easily in the underground, the relatively poor problem of thermal diffusivity.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an enhancement mode plastic cable, includes cable core, inner sheath and oversheath, the cable core outside cladding has the insulating layer, the cable core is located inside the inner sheath, be provided with first filling layer between insulating layer and the inner sheath, the cladding of insulating layer outer wall has the heat-conducting layer, the inner sheath is located inside the oversheath, be provided with the second filling layer between oversheath and the heat-conducting layer, the oversheath outer wall is seted up flutedly, the heat conduction hole has been seted up between second filling layer and the oversheath, heat conduction hole and recess intercommunication, it has heat conduction insulating rubber to fill in the heat conduction hole, it has heat dissipation silicone grease to bond in the recess.

Preferably, the first filling layer is a mica tape filling layer, and the second filling layer is an elastic rubber filling layer.

Preferably, the insulating layer is an ethylene propylene diene monomer insulating layer.

Preferably, the inner sheath is a polyethylene inner sheath, and the outer sheath is a polyvinyl chloride outer sheath.

Preferably, the number of the cable cores is not less than two.

Compared with the prior art, the beneficial effects of the utility model are that:

1) through the arrangement of the heat conducting layer, the heat conducting insulating rubber and the heat dissipation silicone grease, heat generated inside the cable can be dissipated, and the temperature of the cable is reduced;

2) through the arrangement of the second filling layer, the cable has better compression-resistant and impact-resistant effects, the compression resistance of the cable is enhanced, and the cable is not easily crushed;

3) through the arrangement of the first filling layer, the cable has good flame retardant property, and the safety is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the heat-conducting cable comprises an outer sheath 1, a second filling layer 2, a groove 3, a heat-conducting hole 4, a heat-conducting layer 5, an inner sheath 6, a first filling layer 7, an insulating layer 8, a cable core 9, heat-conducting insulating rubber 10 and heat-radiating silicone grease 11.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1, the present invention provides a technical solution: a reinforced plastic cable comprises a cable core 9, an inner sheath 6 and an outer sheath 1, wherein an insulating layer 8 is coated outside the cable core 9, the cable core 9 is positioned inside the inner sheath 6, a first filling layer 7 is arranged between the insulating layer 8 and the inner sheath 6, the outer wall of the insulating layer 8 is coated with a heat conducting layer 5, heat generated inside the cable is absorbed by the heat conducting layer 5, the heat conduction layer 5 is made of boron nitride heat conduction rubber, the inner sheath 6 is positioned inside the outer sheath 1, a second filling layer 2 is arranged between the outer sheath 1 and the heat conducting layer 5, a groove 3 is arranged on the outer wall of the outer sheath 1, a heat conduction hole 4 is arranged between the second filling layer 2 and the outer sheath 1, the heat conduction hole 4 is communicated with the groove 3, the heat conducting holes 4 are filled with heat conducting insulating rubber 10, the grooves 3 are bonded with heat dissipating silicone grease 11, the heat transferred from the heat conducting layer 5 to the heat conducting insulating rubber 10 can be better dissipated through the heat dissipating silicone grease 11.

The first filling layer 7 is a mica tape filling layer and is used for enhancing the fireproof and flame-retardant performance of the cable, and the second filling layer 2 is an elastic rubber filling layer and is used for enhancing the pressure resistance of the cable.

The insulating layer 8 is an ethylene propylene diene monomer insulating layer, and the insulating property is good.

The inner sheath 6 is a polyethylene inner sheath, the outer sheath 1 is a polyvinyl chloride outer sheath, the cold resistance and heat resistance of the cable are enhanced, and the processing cost of polyethylene and polyvinyl chloride is low.

And the number of the cable cores 9 is not less than two.

The working principle is as follows: carry electric power through cable core 9, prevent cable core 9 electric leakage through insulating layer 8, first filling layer 7 is the mica tape filling layer, the fire prevention fire resistance of reinforcing cable, the heat transfer that cable core 9 department produced is for heat-conducting layer 5, heat-conducting layer 5 gives heat dissipation silicone grease 11 through heat-conducting insulating rubber 10 with heat transfer, distribute away the heat through heat dissipation silicone grease 11, reduce the temperature of cable, second filling layer 2 is the elastic rubber filling layer, through the crushing resistance of elastic rubber reinforcing cable.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 an enhancement mode plastic cable, includes cable core (9), inner sheath (6) and oversheath (1), its characterized in that: the cable core (9) outside cladding has insulating layer (8), cable core (9) are located inside inner sheath (6), be provided with first filling layer (7) between insulating layer (8) and inner sheath (6), insulating layer (8) outer wall cladding has heat-conducting layer (5), inner sheath (6) are located oversheath (1) inside, be provided with second filling layer (2) between oversheath (1) and heat-conducting layer (5), oversheath (1) outer wall is seted up flutedly (3), heat conduction hole (4) have been seted up between second filling layer (2) and oversheath (1), heat conduction hole (4) and recess (3) intercommunication, it has heat conduction insulating rubber (10) to fill in heat conduction hole (4), it has heat dissipation silicone grease (11) to bond in recess (3).

2. A reinforced plastic cable according to claim 1, wherein: the first filling layer (7) is a mica tape filling layer, and the second filling layer (2) is an elastic rubber filling layer.

3. A reinforced plastic cable according to claim 1, wherein: the insulating layer (8) is an ethylene propylene diene monomer insulating layer.

4. A reinforced plastic cable according to claim 1, wherein: the inner sheath (6) is a polyethylene inner sheath, and the outer sheath (1) is a polyvinyl chloride outer sheath.

5. A reinforced plastic cable according to claim 1, wherein: the number of the cable cores (9) is not less than two.