CN212934238U

CN212934238U - High-temperature-resistant cable

Info

Publication number: CN212934238U
Application number: CN202022125256.9U
Authority: CN
Inventors: 杨坤萍
Original assignee: Shenyang Cable Group Co ltd
Current assignee: Shenyang Cable Group Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-04-09
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a high temperature resistant type cable, including the cable core, the outside cladding of cable core has the triangle-shaped sheath, and it packs sand to fill the cooling heat dissipation between cable core and the triangle-shaped sheath, the outside cladding of triangle-shaped sheath has the insulating layer, and it has flame retardant fiber to fill between triangle-shaped sheath and the insulating layer, the outside cladding of insulating layer has the heat-conducting layer, the outside cladding of heat-conducting layer has the heat dissipation layer, the outside cladding of heat dissipation layer has waterproof ventilative rete, the outside cladding of waterproof ventilative rete has outer lag, the several heat conduction hole has been seted up to the heat-conducting layer, and the heat dissipation layer sets up the louvre with heat conduction hole position one-to-one, the elasticity hole with heat conduction hole position one-to-one is seted up to the elasticity. The utility model relates to a rationally, simple structure for multilayer composite construction, has the characteristics of good high temperature resistance, heat dissipation are fast, resistance to compression, and long service life has spreading value.

Description

High-temperature-resistant cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to high temperature resistant type cable.

Background

The cable industry is the second industry in China next to the automobile industry, and both the product variety satisfaction rate and the domestic market share rate exceed 90%. The total yield of Chinese cables exceeds the United states worldwide, and the China becomes the first cable production control cable country in the world. Along with the high-speed development of the China cable industry, the number of newly added enterprises is continuously increased, and the overall technical level of the industry is greatly improved.

The cable has higher environmental temperature, and the common cable is easy to generate insulation aging and scorching phenomena at high temperature, so that the cable loses performance, is easy to damage and cannot normally transmit signals or electric energy.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature resistant type cable, its structural feature lies in: including the cable core, the outside cladding of cable core has the triangle-shaped sheath, and it packs sand to fill to have the cooling heat dissipation between cable core and the triangle-shaped sheath, and it has flame retardant fiber to fill between triangle-shaped sheath and the insulating layer, the outside cladding of insulating layer has the heat-conducting layer, the outside cladding of heat-conducting layer has the heat dissipation layer, the outside cladding of heat dissipation layer has elastic layer, the outside cladding of elastic layer has waterproof ventilative rete, the outside cladding of waterproof ventilative rete has outer lag, the several heat conduction hole has been seted up to the heat-conducting layer, and the heat dissipation layer sets up the louvre with heat conduction hole position one-to-one, elastic hole with heat conduction hole position one-to-one is seted up.

Preferably, at least one cable core is provided.

Preferably, the triangular sheath is in a three-dimensional net structure or a honeycomb structure.

Preferably, the outer side of the joint of the two adjacent side arms of the triangular sheath is provided with a reinforcing edge.

Preferably, the outer surface of the reinforcing rib is a circular arc surface.

Compared with the prior art, the utility model relates to a rationally, simple structure for multilayer composite construction, has good high temperature resistant, the heat dissipation characteristics fast, the resistance to compression, long service life has spreading value.

Drawings

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

in the figure: 1-cable core, 2-triangular sheath, 3-cooling heat dissipation filling sand, 4-insulating layer, 5-flame-retardant fiber, 6-heat conduction layer, 7-heat dissipation layer, 8-elastic layer, 9-waterproof breathable film layer, 10-outer sheath, 11-heat conduction hole, 12-heat dissipation hole, 13-elastic hole, 14-through hole and 15-reinforcing edge.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but 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" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", 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.

Referring to fig. 1, the present invention provides a technical solution, a high temperature resistant cable, including a cable core 1, the cable core 1 is coated with a triangular sheath 2, a cooling filling sand 3 is filled between the cable core 1 and the triangular sheath 2, the triangular sheath 2 is coated with an insulating layer 4, a flame retardant fiber 5 is filled between the triangular sheath 2 and the insulating layer 4, the insulating layer 4 is coated with a heat conducting layer 6, the heat conducting layer 6 is coated with a heat dissipating layer 7, the heat dissipating layer 7 is coated with an elastic layer 8, the elastic layer 8 is coated with a waterproof and breathable film 9, the waterproof and breathable film 9 is coated with an outer protective cover 10, the heat conducting layer 6 is provided with a plurality of heat conducting holes 11, and the heat dissipating layer 7 is provided with heat dissipating holes 12 corresponding to the heat conducting holes 11, the elastic layer 8 is provided with elastic holes 13 which are in one-to-one correspondence with the positions of the heat conduction holes 11, and the outer protective sleeve 10 is provided with through holes 14 which are in one-to-one correspondence with the positions of the heat conduction holes 11.

In this embodiment, at least one cable core 1 is provided.

In the present embodiment, the triangular sheath 2 has a three-dimensional net structure or a honeycomb structure.

In the embodiment, a reinforcing rib 15 is arranged on the outer side of the joint of the two adjacent side arms of the triangular sheath 2.

In this embodiment, the outer surface of the reinforcing rib 15 is a circular arc surface.

The triangular sheath 2 and the reinforcing ribs 15 are integrally arranged, and the triangular sheath 2 and the reinforcing ribs 15 are both made of ceramic silicon rubber materials. The cable core 1 is converted into a ceramic hard support after being ignited by flame, so that short circuit of the cable core 1 in a fire environment can be prevented, and the service time of the cable in the fire environment is prolonged.

The cooling heat dissipation filling sand 3 can quickly dissipate heat generated when the cable is used, and fire hazard is avoided.

The flame-retardant fiber 5 plays a role in flame retarding and fire retarding in case of fire.

Heat conduction layer 6 conducts the heat that the cable body produced to heat dissipation layer 7, when the air in heat conduction hole 11 and louvre 12 is heated the inflation, outwards exhaust through elasticity hole 13, and see through waterproof ventilative rete 9 from discharging with through-hole 14, set up inside waterproof ventilative rete 9 can prevent that water and dust from getting into the cable, simultaneously because the existence of elasticity hole 13, consequently, when the heat dissipation, thereby gas expansion makes elasticity hole 13 enlarge, so that with gas exhaust, when the air does not expand in heat conduction hole 11 and louvre 12, elasticity hole 13 seals under the elastic action of elasticity layer 8, consequently, can further prevent that external dust from getting into inside the cable, can effectually play good radiating effect to the cable simultaneously.

The outer protective sheath 10 is made of a low smoke zero halogen TPV material.

The utility model relates to a rationally, simple structure for multilayer composite construction, has the characteristics of good high temperature resistance, heat dissipation are fast, resistance to compression, and long service life has spreading value.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high temperature resistant type cable which characterized in that: including the cable core, the outside cladding of cable core have the triangle-shaped sheath, and it packs the sand to fill to have the cooling heat dissipation between cable core and the triangle-shaped sheath, the outside cladding of triangle-shaped sheath have the insulating layer, and it has flame retardant fiber to fill between triangle-shaped sheath and the insulating layer, the outside cladding of insulating layer have the heat-conducting layer, the outside cladding of heat-conducting layer have an elasticity layer, the outside cladding of elasticity layer have waterproof ventilative rete, the outside cladding of waterproof ventilative rete have outer lag, the heat-conducting layer seted up the several heat conduction hole, and the heat dissipation layer seted up the louvre with heat conduction hole position one-to-one, elasticity hole with heat conduction hole position one-to-one is seted up to the elasticity layer, outer lag set up the through-hole with heat conduction hole.

2. A high temperature resistant cable according to claim 1, wherein: at least one cable core is provided.

3. A high temperature resistant cable according to claim 1, wherein: the triangular sheath is in a three-dimensional net structure or a honeycomb structure.

4. A high temperature resistant cable according to claim 1, wherein: and reinforcing edges are arranged on the outer sides of the joints of the two adjacent side arms of the triangular sheath.

5. A high temperature resistant cable according to claim 4, wherein: the outer surface of the reinforcing edge is a circular arc surface.