CN210640043U

CN210640043U - Power cable for electrical equipment

Info

Publication number: CN210640043U
Application number: CN201922021710.3U
Authority: CN
Inventors: 张学院
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-05-29
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a power cable for electrical equipment, which comprises a cable body, the cable body includes restrictive coating, spiral ripple, heat dissipation layer, first shielding layer, first strip arc arch, first heat-conducting layer, second shielding layer, second strip arc arch, second heat-conducting layer, insulating layer and sinle silk, the cladding has the insulating layer on the outer wall of sinle silk, the cladding has the second heat-conducting layer on the outer wall of insulating layer, the outside of second heat-conducting layer is provided with first heat-conducting layer, be provided with the second shielding layer between second heat-conducting layer and the second heat-conducting layer, the outside of first heat-conducting layer is provided with the heat dissipation layer, be provided with first shielding layer between first heat-conducting layer and the heat dissipation layer. The utility model solves the problem that the prior power cable for the electrical equipment has poor heat dissipation performance; the utility model discloses heat dispersion is strong, and shielding effect is good, and insulating nature is good, the effectual life who improves the cable body, and the practicality is strong.

Description

Power cable for electrical equipment

Technical Field

The utility model relates to a power cable technical field specifically is a power cable for electrical equipment.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500KV and above, and various insulated power cables.

However, when the existing power cable for electrical equipment is applied to a large-current environment for a long time, heat generated by current flowing through the cable cannot be dissipated in time, and the cable is easy to age quickly after being used for a long time, so that the service life is shortened; therefore, the existing use requirements are not satisfied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric power cable for equipment 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 power cable for electrical equipment, includes the cable body, the cable body includes restrictive coating, spiral ripple, heat dissipation layer, first shielding layer, first strip arc arch, first heat-conducting layer, second shielding layer, second strip arc arch, second heat-conducting layer, insulating layer and sinle silk, the cladding has the insulating layer on the outer wall of sinle silk, the cladding has the second heat-conducting layer on the outer wall of insulating layer, the outside of second heat-conducting layer is provided with first heat-conducting layer, be provided with the second shielding layer between second heat-conducting layer and the second heat-conducting layer, the outside of first heat-conducting layer is provided with the heat dissipation layer, be provided with first shielding layer between first heat-conducting layer and the heat dissipation layer, the cladding has the restrictive coating on the outer wall of heat dissipation layer.

Preferably, the outer wall of the second heat conduction layer is provided with second strip-shaped arc-shaped protrusions which are distributed in an annular array.

Preferably, the outer wall of the first heat conduction layer is provided with first strip-shaped arc-shaped protrusions which are distributed in an annular array.

Preferably, the outer wall of the sheath layer is provided with spiral corrugations.

Preferably, the first shielding layer and the second shielding layer are both made of metal copper powder.

Preferably, the first heat conduction layer, the second heat conduction layer, the first strip-shaped arc-shaped protrusion, the second strip-shaped arc-shaped protrusion heat dissipation layer and the insulating layer are all made of insulating nano-scale SIC materials.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a setting of first shielding layer and second shielding layer, first shielding layer and second shielding layer are made by the metal copper powder, make first shielding layer and second shielding layer not only have the effect of dual shielding, still have very strong heat conductivity, because the metal copper powder has higher coefficient of heat conductivity, make the heat that the cable produced in the use can faster spill, improved the utility model discloses a radiating effect, through the setting of first heat-conducting layer, second heat-conducting layer, first strip arc arch, the protruding heat dissipation layer of second strip arc and insulating layer, first heat-conducting layer, second heat-conducting layer, first strip arc arch, the protruding heat dissipation layer of second strip arc and insulating layer are made by insulating nanometer SIC material, and insulating nanometer SIC material has higher coefficient of heat conductivity and insulating nature to first heat-conducting layer, second heat-conducting layer, the protruding heat dissipation layer of first strip arc, The heat dissipation layer with the second strip-shaped arc-shaped bulges and the insulating layer both have heat conductivity and insulativity, so that the insulation effect of the heat dissipation cable is greatly improved, and the heat dissipation effect of the heat dissipation cable is further improved; the utility model discloses heat dispersion is strong, and shielding effect is good, and insulating nature is good, the effectual life who improves the cable body, and the practicality is strong.

Drawings

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

fig. 2 is a cross-sectional view of the present invention.

In the figure: 1. a cable body; 101. a sheath layer; 102. spiral corrugation; 103. a heat dissipation layer; 104. a first shielding layer; 105. a first strip-shaped arc-shaped bulge; 106. a first thermally conductive layer; 107. a second shielding layer; 108. a second strip-shaped arc-shaped bulge; 109. a second thermally conductive layer; 110. an insulating layer; 111. and a wire core.

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", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made 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," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

Referring to fig. 1-2, the present invention provides an embodiment: a power cable for electrical equipment comprises a cable body 1, wherein the cable body 1 comprises a sheath layer 101, spiral corrugations 102, a heat dissipation layer 103, a first shielding layer 104, a first strip-shaped arc-shaped protrusion 105, a first heat conduction layer 106, a second shielding layer 107, a second strip-shaped arc-shaped protrusion, a second heat conduction layer 109, an insulating layer 110 and a wire core 111, the outer wall of the wire core 111 is coated with the insulating layer 110, the outer wall of the insulating layer 110 is coated with the second heat conduction layer 109, the outer side of the second heat conduction layer 109 is provided with the first heat conduction layer 106, the second shielding layer 107 is arranged between the second heat conduction layer 109 and the second heat conduction layer 109, the outer side of the first heat conduction layer 106 is provided with the heat dissipation layer 103, the first shielding layer 104 is arranged between the first heat conduction layer 106 and the heat dissipation layer 103, the outer wall of the heat dissipation layer 103 is coated with the sheath layer 101, the outer wall of the second heat conduction layer 109 is, the outer wall of the first heat conduction layer 106 is provided with first strip-shaped arc protrusions 105, the first strip-shaped arc protrusions 105 are distributed in an annular array, the outer wall of the sheath layer 101 is provided with spiral corrugations 102, the first shielding layer 104 and the second shielding layer 107 are made of copper metal powder, and the first heat conduction layer 106, the second heat conduction layer 109, the first strip-shaped arc protrusions 105, the second strip-shaped arc protrusions 108, the heat dissipation layer 103 and the insulating layer 110 are made of insulating nano-scale SIC materials.

The working principle is as follows: the utility model discloses a setting of first shielding layer 104 and second shielding layer 107, first shielding layer 104 and second shielding layer 107 are made by metal copper powder, make first shielding layer 104 and second shielding layer 107 not only have the effect of double shielding, still have very strong thermal conductivity, because metal copper powder has higher coefficient of thermal conductivity, make the heat that the cable produced in the use can be fast shed, improve the radiating effect of the utility model, through the setting of first heat-conducting layer 106, second heat-conducting layer 109, first strip arc bulge 105, second strip arc bulge 108 heat-radiating layer 103 and insulating layer 110, first heat-conducting layer 106, second heat-conducting layer 109, first strip arc bulge 105, second strip arc bulge 108 heat-radiating layer 103 and insulating layer 110 make insulating nanometer SIC material, insulating nanometer SIC material has higher coefficient of thermal conductivity and insulating nature, thereby the first heat-conducting layer 106, the second heat-conducting layer 109, the first strip-shaped arc-shaped protrusion 105, the second strip-shaped arc-shaped protrusion 108 heat-dissipating layer 103 and the insulating layer 110 all have heat conductivity and insulativity, the insulating effect of the utility model is greatly improved, and the heat-dissipating effect of the utility model is further improved, the heat-dissipating area of the outer wall of the sheath layer 101, the first heat-conducting layer 106 and the second heat-conducting layer 109 is increased through the arrangement of the spiral corrugation 102, the first strip-shaped arc-shaped protrusion 105 and the second strip-shaped arc-shaped protrusion 108, and the heat-dissipating effect of the utility model is improved again, thereby the utility model solves the problem that the heat-dissipating performance of the power cable for the existing electrical; the utility model discloses heat dispersion is strong, and shielding effect is good, and insulating nature is good, the effectual life who improves cable body 1, the practicality is strong.

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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A power cable for electrical equipment, comprising a cable body (1), characterized in that: the cable body (1) comprises a sheath layer (101), spiral corrugations (102), a heat dissipation layer (103), a first shielding layer (104), a first strip-shaped arc-shaped protrusion (105), a first heat conduction layer (106), a second shielding layer (107), a second strip-shaped arc-shaped protrusion, a second heat conduction layer (109), an insulating layer (110) and a wire core (111), wherein the outer wall of the wire core (111) is coated with the insulating layer (110), the outer wall of the insulating layer (110) is coated with the second heat conduction layer (109), the outer side of the second heat conduction layer (109) is provided with the first heat conduction layer (106), the second shielding layer (107) is arranged between the second heat conduction layer (109) and the second heat conduction layer (109), the outer side of the first heat conduction layer (106) is provided with the heat dissipation layer (103), and the first shielding layer (104) is arranged between the first heat conduction layer (106) and the heat dissipation, the outer wall of the heat dissipation layer (103) is coated with a sheath layer (101).

2. A power cable for electric equipment according to claim 1, wherein: and second strip-shaped arc-shaped bulges (108) are arranged on the outer wall of the second heat conduction layer (109), and the second strip-shaped arc-shaped bulges (108) are distributed in an annular array.

3. A power cable for electric equipment according to claim 1, wherein: the outer wall of the first heat conduction layer (106) is provided with first strip-shaped arc-shaped bulges (105), and the first strip-shaped arc-shaped bulges (105) are distributed in an annular array.

4. A power cable for electric equipment according to claim 1, wherein: the outer wall of the sheath layer (101) is provided with spiral ripples (102).

5. A power cable for electric equipment according to claim 1, wherein: the first shielding layer (104) and the second shielding layer (107) are both made of metal copper powder.

6. A power cable for electric equipment according to claim 1, wherein: the first heat conduction layer (106), the second heat conduction layer (109), the first strip-shaped arc-shaped protrusion (105), the second strip-shaped arc-shaped protrusion (108), the heat dissipation layer (103) and the insulating layer (110) are all made of insulating nano-scale SIC materials.