CN210378533U

CN210378533U - Isolated flexible mineral insulated cable

Info

Publication number: CN210378533U
Application number: CN201921685819.0U
Authority: CN
Inventors: 蔡穗城
Original assignee: Guangdong Yongyi Zhujiang Cable Co Ltd
Current assignee: Guangdong Yongyi Zhujiang Cable Co Ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-04-21
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses an isolated flexible mineral insulated cable, which comprises a conducting wire, a flexible strength layer, a heat dissipation and conduction component and a rubber wear-resistant layer, wherein the outer surface of the conducting wire is provided with an insulating layer, the outer surface of the insulating layer is provided with a fireproof filling layer, the outer surface of the fireproof filling layer is connected with a waterproof isolating layer in a gluing way, the outer surface of the waterproof isolating layer is connected with the flexible strength layer in a sliding way, the joint of an outer heat conducting fin and a liquid storage cavity layer is also provided with a sealing ring, a spring is arranged below a steel ball, a check valve is also arranged below an overflow hole, the heat conducting fin is connected with the waterproof isolating layer in an embedding way, and the outer surface of an inner heat conducting fin is coated with heat conducting glue, so that the cable has better bending and twisting performance while the good strength is improved, the high strength of the, the over-high temperature during the work of the device is prevented, and the over-high temperature and the internal expansion of the overflow hole are prevented.

Description

Isolated flexible mineral insulated cable

Technical Field

The utility model relates to a relevant technical field of cable specifically is a flexible mineral insulated cable of isolated form.

Background

A cable, i.e. a cable made of one or more mutually insulated conductors and an outer insulating layer, for transmitting power or information from one location to another, is generally a rope-like cable made by twisting several or groups of conductors (at least two in each group), each group of conductors being insulated from each other and usually twisted around a center, and being entirely covered with a highly insulating layer having characteristics of inner current conduction and outer insulation.

However, the existing cables have some disadvantages, firstly, most cables are difficult to maintain a good state between the strength and the bending flexibility, and the situations that the cables are high in strength, poor in flexibility, inconvenient to fold and bend or convenient to fold and bend and good in flexibility but insufficient in strength often occur, secondly, in a working state, due to self resistance and overlarge current, the cables often generate higher temperature and sometimes even reach tens of degrees, so that the cables emit higher temperature, but most cables are lack of response heat dissipation measures, and therefore the isolated flexible mineral substance insulated cables are improved to solve the problems.

SUMMERY OF THE UTILITY MODEL

For solving the defect that prior art exists, the utility model provides a flexible mineral substance insulated cable of isolated form.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a flexible mineral substance insulated cable of isolated form, including wire, flexible strength layer, heat conduction parts and rubber wearing layer loose, the wire surface is equipped with the insulating layer, the insulating layer surface is equipped with the fire prevention filling layer, fire prevention filling layer surface veneer is connected with waterproof isolation layer, waterproof isolation layer surface sliding connection has flexible strength layer, flexible strength layer surface is equipped with the rubber wearing layer, rubber wearing layer internal surface both sides are equipped with heat conduction parts that looses along flexible strength layer surface, waterproof isolation layer internal surface middle part veneer is connected with middle heat conduction parts.

As a preferred technical scheme of the utility model, flexible strength layer is still including parcel layer, gluey ring, metal mesh, metal strip, inner chamber, wire, parcel layer one end is equipped with glues the ring, it is equipped with the metal strip to glue the ring internal surface, metal strip and metal mesh fixed connection, it is equipped with the inner chamber to glue the ring internal surface, the inner chamber is equipped with the wire, wire and metal strip fixed connection.

As a preferred technical scheme of the utility model, heat-radiating component is still including stock solution inner chamber layer, heat dissipation sheetmetal, outer conducting strip, upper aperture, little filter screen, check valve, overflow hole, steel ball, stock solution inner chamber in situ surface is equipped with the heat dissipation sheetmetal, the outer conducting strip of heat dissipation sheetmetal one side fixedly connected with, stock solution inner chamber layer top is equipped with the upper aperture, upper aperture inner surface top is equipped with little filter screen, the check valve is installed to upper aperture inner surface below, stock solution inner chamber in situ side is equipped with the overflow hole, the downthehole surface sliding connection of overflow has the steel ball.

As a preferred technical scheme of the utility model, middle heat-conducting component is still including well frame, interior conducting strip, biography pole, conducting strip, well frame is equipped with interior conducting strip along the wire direction, well frame fixedly connected with biography pole, biography pole one side fixedly connected with conducting strip.

As an optimal technical scheme of the utility model, the rubber ring surface is folding corrugate, and the parcel level internal surface is located to the metal mesh.

As the utility model discloses a preferred technical scheme, outer conducting strip still is equipped with the sealing ring with the junction on stock solution inner chamber layer, the steel ball below is equipped with the spring, and also installs the check valve below the overflow hole.

As an optimal technical scheme of the utility model, the conduction piece is inlayed with waterproof isolation layer and is connected, and interior conduction piece surface scribbles the heat conduction glue.

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

(1) this kind of flexible mineral substance insulated cable flexible strength layer of isolated form can be for the cable when improving good intensity, possesses the distortion performance of buckling that has the preferred, avoids appearing the cable intensity although high, nevertheless buckles the difficult condition to avoid influencing the cable construction of some circumstances.

(2) This kind of flexible mineral substance insulated cable of isolated form heat dissipation conducting part can collect external water droplet, is used as the cable cooling, prevents that its during operation from appearing too high temperature, and the overflow hole also prevents to appear the condition of high temperature, inside inflation simultaneously.

(3) The heat conducting component in the middle of the isolated flexible mineral insulated cable can transfer high temperature generated during the operation of the cable inside outwards, so that the insulating layer is prevented from being burnt out by the high temperature of the cable.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic structural view of the heat dissipation and conduction component of the present invention;

fig. 3 is a schematic diagram of the structure of the flexible strength layer of the present invention.

In the figure: the heat-insulating and heat-insulating composite wire comprises a wire 1, an insulating layer 2, a fireproof filling layer 3, a waterproof isolating layer 4, a flexible strength layer 5, a wrapping layer 51, a rubber ring 52, a metal net 53, a metal strip 54, an inner cavity 55, a metal wire 56, a heat-radiating conducting part 6, a liquid-storing inner cavity layer 61, a heat-radiating metal sheet 62, an outer heat-conducting sheet 63, an upper hole 64, a micro-filtering net 65, a one-way valve 66, an overflow hole 67, a steel ball 68, a rubber wear-resisting layer 7, an intermediate heat-conducting part 8, a middle frame 81, an inner heat-conducting sheet 82, a transmission.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, fig. 2 and fig. 3, the utility model relates to a flexible mineral insulated cable of isolated form, including wire 1, flexible strength layer 5, heat dissipation conduction part 6 and rubber wearing layer 7, 1 surface of wire is equipped with

insulating layer

2, 2 surfaces of insulating layer are equipped with fire prevention filling layer 3, 3 surface plys of fire prevention filling layer are connected with

waterproof isolation layer

4, 4 surface sliding connection of waterproof isolation layer have

flexible strength layer

5, 5 surfaces on flexible strength layer are equipped with rubber wearing layer 7, 7 internal surface both sides on rubber wearing layer are equipped with heat dissipation conduction part 6 along 5 surfaces on flexible strength layer, 4 internal surface middle part plys of waterproof isolation layer are connected with middle heat conduction part 8.

The flexible strength layer 5 further comprises a wrapping layer 51, a rubber ring 52, a metal net 53, a metal strip 54, an inner cavity 55 and a metal wire 56, the rubber ring 52 is arranged at one end of the wrapping layer 51, the metal strip 54 is arranged on the inner surface of the rubber ring 52, the metal strip 54 is fixedly connected with the metal net 53, the inner cavity 55 is arranged on the inner surface of the rubber ring 52, the metal wire 56 is arranged in the inner cavity 55, and the metal wire 56 is fixedly connected with the metal strip 54.

Wherein, heat dissipation conduction part 6 is still including stock solution inner chamber layer 61, heat dissipation sheetmetal 62, outer conducting strip 63, go up hole 64, micro-filtration net 65, check valve 66, overflow hole 67, steel ball 68, stock solution inner chamber layer 61 internal surface is equipped with heat dissipation sheetmetal 62, heat dissipation sheetmetal 62 one side fixedly connected with outer conducting strip 63, stock solution inner chamber layer 61 top is equipped with hole 64, it is equipped with micro-filtration net 65 to go up hole 64 internal surface top, check valve 66 is installed to last hole 64 internal surface below, stock solution inner chamber layer 61 below is equipped with overflow hole 67, overflow hole 67 internal surface sliding connection has steel ball 68.

The middle heat conducting member 8 further includes a middle frame 81, an inner heat conducting fin 82, a transmission rod 83, and a conducting fin 84, the middle frame 81 is provided with the inner heat conducting fin 82 along the direction of the lead 1, the middle frame 81 is fixedly connected with the transmission rod 83, and one side of the transmission rod 83 is fixedly connected with the conducting fin 84.

Wherein, the outer surface of the rubber ring 52 is in a folding corrugated shape, and the metal mesh 53 is arranged on the inner surface of the wrapping layer 51.

Wherein, the junction of outer conducting strip 63 and liquid storage inner chamber layer 61 still is equipped with the sealing ring, and the spring is equipped with below the steel ball 68, and also installs check valve 66 below overflow hole 67.

Wherein, the conduction slice 84 is connected with the waterproof isolation layer 4 in an embedding way, and the outer surface of the inner heat conduction slice 82 is coated with heat conduction glue.

The working principle is as follows: when the cable is buckled and twisted, the rubber ring 52 provides flexibility, the cable is folded by utilizing waves on the outer side of the rubber ring, certain bending can be performed, the metal strip 54 and the metal wire 56 of the inner cavity 55 provide certain flexibility containing strength, a certain airspace space mainly exists inside the cable, bending is convenient, and when the cable is pulled by strength, the metal wire 56 is straightened slightly after being pulled, and the cable can resist pulling together with the metal mesh 53, so that the cable is ensured to have good strength.

After the cable is laid, by upper hole 64 opening, constantly collect a small amount of underground water droplet and go into stock solution inner chamber layer 61, conduct the temperature that gives off when the cable work to stock solution inner chamber layer 61 by middle heat-conducting component 8 and outer conducting strip 63, heat dissipation sheetmetal 62 cooperation, utilize its self to collect the water droplet, be used as the cable cooling, prevent that its during operation from appearing too high temperature, overflow hole 67 also prevents to appear too high temperature simultaneously, the circumstances of inside inflation.

This is the method of use of the isolated flexible mineral insulated cable and is not described in detail in this specification, which is well known to those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a flexible mineral substance insulated cable of isolated form, includes wire (1), flexible strength layer (5), heat dissipation conduction part (6) and rubber wearing layer (7), its characterized in that: wire (1) surface is equipped with insulating layer (2), insulating layer (2) surface is equipped with fire prevention filling layer (3), fire prevention filling layer (3) surface veneer is connected with waterproof isolation layer (4), waterproof isolation layer (4) surface sliding connection has flexible strength layer (5), flexible strength layer (5) surface is equipped with rubber wearing layer (7), rubber wearing layer (7) internal surface both sides are equipped with scattered heat conduction part (6) along flexible strength layer (5) surface, waterproof isolation layer (4) internal surface middle part veneer is connected with middle heat conduction part (8).

2. An isolated flexible mineral insulated cable according to claim 1, characterized in that: flexible strength layer (5) are still including parcel layer (51), rubber ring (52), metal mesh (53), metal strip (54), inner chamber (55), wire (56), parcel layer (51) one end is equipped with rubber ring (52), rubber ring (52) internal surface is equipped with metal strip (54), metal strip (54) and metal mesh (53) fixed connection, rubber ring (52) internal surface is equipped with inner chamber (55), inner chamber (55) are equipped with wire (56), wire (56) and metal strip (54) fixed connection.

3. An isolated flexible mineral insulated cable according to claim 1, characterized in that: scattered heat-transfer part (6) still including stock solution inner chamber layer (61), heat dissipation sheetmetal (62), outer conducting strip (63), go up hole (64), micro-filtration net (65), check valve (66), overflow hole (67), steel ball (68), stock solution inner chamber layer (61) internal surface is equipped with heat dissipation sheetmetal (62), outer conducting strip (63) of heat dissipation sheetmetal (62) one side fixedly connected with, stock solution inner chamber layer (61) top is equipped with hole (64), it is equipped with micro-filtration net (65) to go up hole (64) internal surface top, check valve (66) are installed to go up hole (64) internal surface below, stock solution inner chamber layer (61) below is equipped with overflow hole (67), overflow hole (67) internal surface sliding connection has steel ball (68).

4. An isolated flexible mineral insulated cable according to claim 1, characterized in that: the middle heat-conducting component (8) further comprises a middle frame (81), inner heat-conducting fins (82), a transmission rod (83) and conducting fins (84), wherein the inner heat-conducting fins (82) are arranged on the middle frame (81) along the direction of the lead (1), the transmission rod (83) is fixedly connected to the middle frame (81), and the conducting fins (84) are fixedly connected to one side of the transmission rod (83).

5. An isolated flexible mineral insulated cable according to claim 2, characterized in that: the outer surface of the rubber ring (52) is in a folding corrugated shape, and the metal net (53) is arranged on the inner surface of the wrapping layer (51).

6. An isolated flexible mineral insulated cable according to claim 3, characterized in that: the joint of the outer heat conducting fin (63) and the liquid storage inner cavity layer (61) is further provided with a sealing ring, a spring is arranged below the steel ball (68), and a check valve (66) is also arranged below the overflow hole (67).

7. An isolated flexible mineral insulated cable according to claim 4, wherein: the conduction sheet (84) is connected with the waterproof isolation layer (4) in an embedded mode, and the outer surface of the inner heat conduction sheet (82) is coated with heat conduction glue.