CN210039672U

CN210039672U - Multilayer insulated cable

Info

Publication number: CN210039672U
Application number: CN201921279861.2U
Authority: CN
Inventors: 徐雄; 龙云
Original assignee: Guangan Jin Youda Electric Industry Science And Technology Ltd
Current assignee: Guangan Jin Youda Electric Industry Science And Technology Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-02-07
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a multilayer insulated cable, including cable core, first insulating layer, first heat conduction post, heat conduction ring, shielding layer, second insulating layer, fire-retardant layer and second heat conduction post, the first insulating layer will including the cable core suit, the heat conduction ring suit is in on the first insulating layer, the shielding layer suit is in on the heat conduction ring, the second insulating layer suit is in on the shielding layer, fire-retardant layer suit is in on the second insulating layer, the one end of first heat conduction post is inserted in the first insulating layer, the other end of first heat conduction post with the heat conduction ring is connected, the second heat conduction post has a plurality ofly, and is a plurality of the one end of second heat conduction post with the heat conduction ring is connected, and is a plurality of the second heat conduction post extends to fire-retardant layer is kept away from on the terminal surface of cable core one side. The utility model discloses still have good heat dispersion under having good insulating properties.

Description

Multilayer insulated cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to multilayer insulated cable.

Background

Typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another 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. Because need guarantee to insulate between each cable core and need set up thicker insulating layer in cable inside, the outside parcel of cable has higher insulating layer simultaneously also, can lead to the heat dispersion of cable poor like this, and high temperature can influence the performance of cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a multilayer insulated cable to solve current cable and lead to the poor problem of heat dispersion because of setting up the insulating layer that is thicker.

In order to realize the purpose, the utility model discloses a technical scheme be: the multi-layer insulated cable comprises a cable core, a first insulating layer, a first heat conduction column, a heat conduction ring, a shielding layer, a second insulating layer, a flame-retardant layer and a second heat conduction column, wherein the first insulating layer is used for sleeving the cable core, the heat conduction ring is sleeved on the first insulating layer, the shielding layer is sleeved on the heat conduction ring, the second insulating layer is sleeved on the shielding layer, the flame-retardant layer is sleeved on the second insulating layer, one end of the first heat conduction column is inserted into the first insulating layer, the other end of the first heat conduction column is connected with the heat conduction ring, the second heat conduction columns are provided with a plurality of second heat conduction columns, one ends of the plurality of second heat conduction columns are connected with the heat conduction ring, and the plurality of second heat conduction columns extend to the end face, far away from the cable core, of the flame-retardant layer.

Furthermore, the cable core includes wire and insulating tube, the wire has three, three the wire winds insulating tube sets up and is the triangle-shaped range.

Furthermore, the shielding layer is made of metal woven ribbons.

Furthermore, the material of the flame-retardant layer is an inorganic mineral material.

Further, the inorganic mineral material is antimony trioxide.

Furthermore, a mica tape layer is sleeved on the surface of the first insulating layer.

Furthermore, a groove for accommodating the heat conduction ring is formed in the mica tape layer.

Since the technical scheme is used, the beneficial effects of the utility model are that:

the utility model discloses in be provided with the multilayer insulating layer, can make the utility model discloses have good insulating properties, thereby the first heat conduction post that sets up between the insulating layer can be exported the heat that the cable core twines the production to the heat conduction ring on make the abundant dispersion of heat, many evenly distributed second heat conduction posts on the heat conduction ring can evenly just derive the heat of heat conduction ring fast and give off, thereby make the utility model discloses still have good heat dispersion under the prerequisite of guaranteeing insulating properties.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic view of the heat conductive ring of the present invention.

Reference numerals: 100-cable core, 110-wire, 120-insulating tube, 200-first insulating layer, 300-mica tape layer, 400-heat conducting ring, 410-first heat conducting column, 420-second heat conducting column, 500-shielding layer, 600-second insulating layer, 700-flame retardant layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

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 efforts belong to the protection scope of the present invention.

The utility model provides a multilayer insulated cable, as shown in figure 1, including cable core 100, cable core 100 is formed by many wires 110 combination, in this embodiment, cable core 100 comprises a plurality of wires 110 and insulating tube 120, the quantity of wire 110 can be three, three wires 110 set up and be the triangle array around insulating tube 120, the quantity of wire 110 also can be four, four wires 110 set up and are the rectangle array around insulating tube 120, can prevent through setting up insulating tube 120 that wire 110 from conducting electricity each other and damaging wire 110, specifically, cable core 100 can be pasted on insulating tube 120. The cover is equipped with first insulating layer 200 on cable core 100, the outer wall of wire 110 and the inner wall butt of first insulating layer 200, thereby make wire 110 can fix in first insulating layer 200, surface cover at first insulating layer 200 is equipped with mica tape layer 300, the mica tape has thermal-insulated insulating effect, be provided with the recess on the surface of mica tape, be provided with heat conduction ring 400 in the recess, be provided with first heat conduction post 410 in first insulating layer 200 simultaneously, the other end of first heat conduction post 410 extends to heat conduction ring 400 department and is connected with heat conduction ring 400, heat conduction ring 400 is concave to be established and can be reduced in mica tape layer 300 the diameter of the utility model discloses a diameter, simultaneously because heat conduction ring 400's effect lies in the transmission heat, consequently the excessive thickness and the unnecessary excessive width that sets up of its thickness and width are too thick and too wide.

The mica tape layer 300 is sleeved with a shielding layer 500, the shielding layer 500 is made of metal woven ribbons, specifically, aluminum woven ribbons can be adopted, the shielding layer 500 is sleeved with a second insulating layer 600, the first insulating layer 200 and the second insulating layer 600 are made of low-smoke halogen-free polyolefin, the second insulating layer 600 is sleeved with a flame-retardant layer 700, and the flame-retardant layer 700 is made of inorganic mineral materials, specifically, antimony trioxide can be adopted.

Still be connected with second heat conduction post 420 on heat conduction ring 400, second heat conduction post 420 has a plurality ofly and is the annular array and around heat conduction ring 400 distribute, and the other end of second heat conduction post 420 extends to the surface on fire-retardant layer 700 to the heat that cable core 100 that can make produced transmits to fire-retardant layer 700 through first heat conduction post 410, heat conduction ring 400 and second heat conduction post 420 outside, so that the utility model discloses good heat dispersion has under the prerequisite of guaranteeing insulating properties.

To save cost, the heat dissipation system formed by the first heat conduction column 410, the heat conduction ring 400 and the second heat conduction column 420 are spaced apart.

The utility model discloses a theory of operation:

Claims

1. A multilayer insulated cable characterized by: the cable comprises a cable core (100), a first insulating layer (200), a first heat conduction column (410), a heat conduction ring (400), a shielding layer (500), a second insulating layer (600), a flame retardant layer (700) and a second heat conduction column (420), wherein the cable core (100) is sleeved in the first insulating layer (200), the heat conduction ring (400) is sleeved on the first insulating layer (200), the shielding layer (500) is sleeved on the heat conduction ring (400), the second insulating layer (600) is sleeved on the shielding layer (500), the flame retardant layer (700) is sleeved on the second insulating layer (600), one end of the first heat conduction column (410) is inserted into the first insulating layer (200), the other end of the first heat conduction column (410) is connected with the heat conduction ring (400), the second heat conduction column (420) is provided with a plurality of columns, and one end of the second heat conduction columns (420) is connected with the heat conduction ring (400), the second heat-conducting columns (420) extend to the end face of the flame-retardant layer (700) on the side far away from the cable core (100).

2. The multilayer insulated cable of claim 1, wherein: the cable core (100) comprises three or three conducting wires (110) and insulating tubes (120), wherein the conducting wires (110) are wound around the insulating tubes (120) and are arranged in a triangular mode.

3. The multilayer insulated cable of claim 1, wherein: the shielding layer (500) is made of metal woven ribbons.

4. The multilayer insulated cable of claim 1, wherein: the flame-retardant layer (700) is made of inorganic mineral materials.

5. The multilayer insulated cable of claim 4, wherein: the inorganic mineral material is antimony trioxide.

6. The multilayer insulated cable of claim 1, wherein: the surface of the first insulating layer (200) is sleeved with a mica tape layer (300).

7. The multilayer insulated cable of claim 6, wherein: the mica tape layer (300) is provided with a groove for accommodating the heat conduction ring (400).