CN215680217U - Insulated cable with stable heat dissipation - Google Patents

Abstract

The utility model relates to an insulated cable with stable heat dissipation, which comprises a conductor, a first insulating layer, a filling layer, a low-smoke halogen-free high-flame-retardant wrapping tape, a metal armor layer, a heat dissipation layer and a second insulating layer, wherein the first insulating layer is wrapped outside the conductor, an arc-shaped heat conduction sheet matched with the conductor is arranged on one side of the first insulating layer, a plurality of heat conduction blocks are uniformly arranged on one side of the heat dissipation layer, the other ends of the heat conduction blocks are connected onto the arc-shaped heat conduction sheet, a plurality of arc-shaped convex strips are uniformly arranged on the outer side of the second insulating layer, and arc-shaped grooves are uniformly formed in the second insulating layer between the arc-shaped convex strips. Beneficial effect, the heat conduction silica gel on heat dissipation layer dispels the heat, and the area of contact of arc sand grip and arc recess air, the intraformational aluminium silicate fiber structure of packing is stable, and low smoke and zero halogen high fire-retardant band has fire-retardant effect, and arc conducting strip cooperation heat conduction piece carries out direct heat dissipation to the conductor and handles, design benefit, simple structure, and the heat dissipation is stable, has prolonged the life of cable.

Description

Insulated cable with stable heat dissipation

Technical Field

The utility model relates to the technical field of cables, in particular to an insulated cable with stable heat dissipation.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation. The cable includes power cable, compensation cable, shielding cable, flame-retardant cable, computer cable, signal cable, coaxial cable, fire-resistant cable, ship cable, mining cable, aluminum alloy cable and the like. They are composed of single-strand or multi-strand wires and insulating layer for connecting circuit and electric appliances, and are used in different places

When the existing electric wire and cable are used, the heat dissipation effect is poor, heat can be generated inside the electric wire and cable due to the fact that the conductor generates heat, the normal work of the electric wire and cable can be influenced even accidents such as short circuit happen due to the fact that the heat is too high, and therefore the insulating cable with stable heat dissipation is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an insulated cable with stable heat dissipation, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: an insulated cable with stable heat dissipation comprises a conductor, a first insulating layer, a filling layer, a low-smoke halogen-free high-flame-retardant wrapping tape, a metal armor layer, a heat dissipation layer and a second insulating layer, and is characterized in that the cable body contains four uniformly arranged conductors, the outer side of each conductor is wrapped by the first insulating layer, one side of each first insulating layer is provided with an arc-shaped heat conduction sheet matched with the conductor, the outer side of each first insulating layer is provided with the filling layer, one side of the filling layer, far away from the first insulating layer, is provided with the low-smoke halogen-free high-flame-retardant wrapping tape, one side of the low-smoke halogen-free high-flame-retardant wrapping tape, far away from the filling layer, is provided with the metal armor layer, one side of the metal armor layer, far away from the low-smoke halogen-free high-flame-retardant wrapping tape, is provided with the heat dissipation layer, the outer side of the heat dissipation layer is provided with the second insulating layer, one side of the heat dissipation layer is uniformly provided with a plurality of heat conduction blocks, and the other end of the heat conduction block is connected to the arc-shaped heat conduction sheet, a plurality of arc-shaped convex strips are uniformly arranged on the outer side of the second insulation layer, and arc-shaped grooves are uniformly formed between the arc-shaped convex strips on the second insulation layer.

Furthermore, a plurality of metal wire fibers are arranged between the four conductors.

Furthermore, the conductor adopts conductive materials such as copper wires or aluminum wires, the first insulating layer and the second insulating layer adopt polyethylene materials, and the thickness of the first insulating layer and the second insulating layer is 2-3 mm.

Furthermore, the filling layer is internally made of refractory aluminum silicate fibers.

Furthermore, the heat-conducting silica gel is adopted by the heat dissipation layer.

Furthermore, the metal armor layer is an isolation net woven by steel wires.

Compared with the prior art, the utility model has the following beneficial effects: adopt the heat conduction silica gel on heat dissipation layer will dispel the heat because of the heat that electric current overload produced in the cable in the use, arc sand grip and the arc recess in the cable outside have increased the area of contact of cable and air simultaneously more, make cable heat-sinking capability obtain improving, the intraformational aluminium silicate fiber stable in packing, cooperation low smoke and zero halogen high fire-retardant band has fire-retardant effect to when taking place the conflagration, the factor of safety of improvement cable, and arc conducting strip cooperation conducting strip carries out direct heat dissipation to the conductor and handles, and the design is ingenious, moreover, the steam generator is simple in structure, whole cable stable in structure is safe, the heat dissipation is stable, the service life of cable has been prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a thermally stable insulated cable in accordance with the present invention;

reference numerals:

1. a conductor; 11. an arc-shaped heat conducting fin; 2. a first insulating layer; 3. a filling layer; 4. low-smoke halogen-free high-flame-retardant wrapping tape; 5. a metal armor layer; 6. a heat dissipation layer; 61. a heat conducting block; 7. a second insulating layer; 71. arc-shaped convex strips; 72. an arc-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, an insulated cable with stable heat dissipation according to the present invention includes a conductor 1, a first insulating layer 2, a filling layer 3, a low-smoke halogen-free high-flame-retardant tape 4, a metal armor layer 5, a heat dissipation layer 6 and a second insulating layer 7, the cable includes four uniformly arranged conductors 1, the first insulating layer 2 is wrapped outside the conductors 1, an arc-shaped heat conduction sheet 11 matched with the conductor 1 is arranged on one side of the first insulating layer 2, the filling layer 3 is arranged outside the first insulating layer 2, the low-smoke halogen-free high-flame-retardant tape 4 is arranged on one side of the filling layer 3 away from the first insulating layer 2, the metal armor layer 5 is arranged on one side of the low-smoke halogen-free high-flame-retardant tape 4 away from the filling layer 3, the heat dissipation layer 6 is arranged on one side of the metal armor layer 5 away from the low-smoke halogen-free high-flame-retardant tape 4, the second insulating layer 7 is arranged outside the heat dissipation layer 6, and a plurality of heat conduction blocks 61 are uniformly arranged on one side of the heat dissipation layer 6, and the other end of the heat conducting block 61 is connected to the arc-shaped heat conducting fin 11, a plurality of arc-shaped convex strips 71 are uniformly arranged on the outer side of the second insulating layer 7, and arc-shaped grooves 72 are uniformly arranged between the arc-shaped convex strips 71 on the second insulating layer 7.

Wherein, a plurality of metal wire fibers 8 are arranged among the four conductors 1, so that the cable is more stable and has strong pulling capacity.

The conductor 1 is made of conductive materials such as copper wires or aluminum wires and is high in conductivity, the first insulating layer 2 and the second insulating layer 7 are made of polyethylene materials, environment friendliness and energy conservation are achieved, and the thicknesses of the first insulating layer 2 and the second insulating layer 7 are both 2-3 mm.

Wherein, the filling layer 3 is internally provided with alumina silicate fiber made of refractory materials, thereby realizing stable fireproof performance.

The heat-conducting silica gel adopted by the heat dissipation layer 6 has a good heat dissipation effect.

The metal armor layer 5 is an isolation net woven by steel wires, so that the cable is stable and safe in the using process.

Principle of operation

According to the scheme, when the insulated cable with stable heat dissipation is used, heat generated due to current overload in the cable is dissipated by the heat conducting silica gel of the heat dissipation layer 6 in the using process, meanwhile, the contact area between the cable and air is increased by the arc-shaped convex strips 71 and the arc-shaped grooves 72 on the outer side of the cable, so that the heat dissipation capacity of the cable is improved, the aluminum silicate fibers in the filling layer 3 are stable in structure, have a flame-retardant effect when a fire disaster happens by matching with the low-smoke halogen-free high-flame-retardant wrapping belt 4, the safety coefficient of the cable is improved, the arc-shaped heat conducting fins 11 are matched with the heat conducting blocks 61 to perform direct heat dissipation treatment on the conductors 1, the design is ingenious, the structure is simple, the whole cable is stable and safe in structure, the heat dissipation is stable, and the service life of the cable is prolonged.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. Any reference sign in a claim should not 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 (6)

1. An insulated cable with stable heat dissipation comprises a conductor (1), a first insulating layer (2), a filling layer (3), a low-smoke halogen-free high-flame-retardant belting (4), a metal armor layer (5), a heat dissipation layer (6) and a second insulating layer (7), and is characterized in that the cable body contains four uniformly arranged conductors (1), the first insulating layer (2) is wrapped outside the conductor (1), an arc-shaped heat conduction sheet (11) matched with the conductor (1) is arranged on one side of the first insulating layer (2), the filling layer (3) is arranged outside the first insulating layer (2), the low-smoke halogen-free high-flame-retardant belting (4) is arranged on one side of the filling layer (3), the metal armor layer (5) is arranged on one side of the filling layer (3) far away from the first insulating layer (2), keep away from on metal armor (5) low smoke and zero halogen high flame retardant band (4) one side is equipped with heat dissipation layer (6), heat dissipation layer (6) outside is equipped with second insulating layer (7), heat dissipation layer (6) one side evenly is equipped with a plurality of heat conduction piece (61), just heat conduction piece (61) other end is connected to on arc conducting strip (11), second insulating layer (7) outside evenly is equipped with a plurality of arc sand grip (71), lie in on second insulating layer (7) evenly be equipped with arc recess (72) between arc sand grip (71).

2. A heat-stabilised insulated electrical cable according to claim 1, characterised in that a number of metal wire fibres (8) are arranged between four of the conductors (1).

3. The insulated cable with stable heat dissipation according to claim 1, wherein the conductor (1) is made of a copper wire or an aluminum wire, the first insulating layer (2) and the second insulating layer (7) are made of polyethylene, and the thickness of each of the first insulating layer (2) and the second insulating layer (7) is between 2 and 3 mm.

4. A thermally stable insulated cable as claimed in claim 1, characterized in that the filling layer (3) is made of aluminium silicate fibres of a fire-resistant material.

5. The insulated cable with stable heat dissipation according to claim 1, wherein the heat dissipation layer (6) is made of heat conductive silicone.

6. A thermally stable insulated cable according to claim 1, characterized in that the metallic armouring layer (5) is an insulating mesh woven from steel wires.

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