CN218647678U

CN218647678U - Flexible mineral insulation copper corrugated metal sheath fireproof cable

Info

Publication number: CN218647678U
Application number: CN202222837959.3U
Authority: CN
Inventors: 金霞; 王秀字; 徐忠甫
Original assignee: Shanghai Yeshen Technology Co ltd
Current assignee: Shanghai Yeshen Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-17
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to a flexible mineral insulation copper ripple metal sheath fireproof cable relates to circuit cable technical field. The utility model comprises an outer cover structure, a heat conducting structure and an electric core structure, wherein the inner part of the outer cover structure is fixedly connected with the heat conducting structure, and the inner part of the heat conducting structure is fixedly connected with the electric core structure; the jacket structure comprises a low-smoke halogen-free fireproof jacket and a mineral flame-retardant belt, wherein the interior of the low-smoke halogen-free fireproof jacket is fixedly connected with the mineral flame-retardant belt; the heat conduction structure comprises heat conduction silica gel, and the inside of the mineral flame-retardant belt is provided with the heat conduction silica gel. The utility model discloses a fireproof cable is when using, and is not only fire-retardant and insulating effectual, and heat conduction radiating efficiency is higher.

Description

Flexible mineral insulation copper corrugated metal sheath fireproof cable

Technical Field

The utility model relates to a circuit cable technical field especially relates to a flexible mineral insulation copper ripple metal sheath fireproof cable.

Background

With the accelerated urbanization process, various fire accidents frequently occur, and great loss of lives and properties is caused, so that the power department strictly requires that a part of electric distribution lines need to select fireproof cables according to different purposes. At present, a general fireproof cable has low fire-resistant temperature and low fire-resistant reliability due to the structural characteristics, and has poor heat dissipation capability and easy accumulated heat aging due to the sealing reasons of an internal copper sleeve and a fireproof layer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fireproof cable that flame retardant efficiency is good and the radiating effect is good.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

a flexible mineral insulation copper corrugated metal sheath fireproof cable comprises a jacket structure, a heat conduction structure and a battery cell structure, wherein the inside of the jacket structure is fixedly connected with the heat conduction structure, and the inside of the heat conduction structure is fixedly connected with the battery cell structure;

the cable is characterized in that the outer sleeve structure comprises a low-smoke halogen-free fireproof outer sleeve and a mineral flame-retardant belt, the interior of the low-smoke halogen-free fireproof outer sleeve is fixedly connected with the mineral flame-retardant belt, and the fireproof flame-retardant capability of the outer layer of the cable can be greatly enhanced through the arrangement of the low-smoke halogen-free fireproof outer sleeve and the mineral flame-retardant belt;

the heat conduction structure includes heat conduction silica gel, the inside in the fire-retardant area of mineral is provided with heat conduction silica gel, and heat conduction silica gel is used for carrying out the outside quick transmission of production heat in the conductor use, slows down the ageing of cable.

Preferably, the jacket structure further comprises a corrugated copper sheath, wherein the inner part of the mineral flame-retardant belt is fixedly connected with the corrugated copper sheath, and the corrugated copper sheath is used for enhancing the strength of the cable.

Preferably, the heat conducting structure further comprises a belting layer and a filling layer, and the interior of the corrugated copper sheath is fixedly connected with the belting layer;

the inside of band layer and heat conduction silica gel and filling layer fixed connection, heat conduction silica gel and filling layer interval distribution, the band layer is used for carrying out the cladding to inner structure, strengthens inner structure's compactness, and the filling layer can keep apart inner line.

Preferably, the battery cell structure comprises an insulating isolation layer, a mineral substance insulating layer and a conductor, wherein the inside of the heat-conducting silica gel and the filling layer are fixedly connected with the insulating isolation layer;

the inside and the mineral substance insulating layer fixed connection of insulating isolation layer, the inside and the conductor fixed connection of mineral substance insulating layer, insulating isolation layer are used for carrying out the insulation protection to mineral substance insulating layer and outer, and the mineral substance insulating layer is used for carrying out the insulation protection to the conductor, avoids the interference of electric current.

The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:

the utility model discloses a fireproof cable includes the overcoat structure, has solved the poor problem of fireproof cable fire-retardant effect, is provided with low smoke and zero halogen fireproof overcoat and the fire-retardant area of mineral in the overcoat structure, through the setting of low smoke and zero halogen fireproof overcoat and the fire-retardant area of mineral, not only is used for carrying out the isolation protection to the cable outside, can also strengthen the outer fire-retardant ability of cable greatly, can avoid the damage that causes the cable under the high temperature condition, and the security is higher;

the utility model discloses a fireproof cable includes the heat conduction structure, has solved the poor problem of fireproof cable radiating effect, is provided with heat conduction silica gel in the heat conduction structure, and the cladding of heat conduction silica gel large tracts of land can carry out outside quick transmission to the heat production in the conductor use in the outside of electric core structure, not only can promote the radiating efficiency of cable heat conduction greatly, and the life-span of extension cable that can also be further used slows down the ageing of cable.

Drawings

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

FIG. 2 is a schematic view of the structure of the jacket of the present invention;

FIG. 3 is a schematic view of the heat conducting structure of the present invention;

fig. 4 is a schematic diagram of the electrical core structure of the present invention.

In the attached drawings, 1, a jacket structure; 2. a heat conducting structure; 3. a battery cell structure; 101. a low-smoke halogen-free fireproof jacket; 102. a mineral flame retardant tape; 103. a corrugated copper sheath; 201. a belting layer; 202. heat conducting silica gel; 203. a filling layer; 301. an insulating isolation layer; 302. a mineral insulating layer; 303. a conductor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

Example 1

As shown in fig. 1-4, the flexible mineral insulated copper corrugated metal sheath fireproof cable according to the present invention comprises a sheath structure 1, a heat conducting structure 2 and a cell structure 3, wherein the interior of the sheath structure 1 is fixedly connected to the heat conducting structure 2, and the interior of the heat conducting structure 2 is fixedly connected to the cell structure 3;

the jacket structure 1 comprises a low-smoke halogen-free fireproof jacket 101 and a mineral flame-retardant belt 102, wherein the interior of the low-smoke halogen-free fireproof jacket 101 is fixedly connected with the mineral flame-retardant belt 102;

the low-smoke halogen-free fireproof outer sleeve 101 is an environment-friendly outer sleeve coated on the outermost layer of the cable, is made of a sizing material which does not contain halogen (F, cl, br, I, at), lead, cadmium, chromium, mercury and other environmental substances, does not emit toxic smoke during combustion, and has good flame retardance and elasticity, the mineral flame-retardant belt 102 is a flame-retardant secondary outer sleeve made of flame-retardant minerals, and has the characteristics of self-extinguishing and difficult combustion, through the arrangement of the low-smoke halogen-free fireproof outer sleeve 101 and the mineral flame-retardant belt 102, the low-smoke halogen-free fireproof outer sleeve is not only used for isolating and protecting the outside of the cable, but also can greatly enhance the fireproof and flame-retardant capability of the outer layer of the cable, can avoid damage to the cable under a high-temperature condition, and is higher in safety;

the heat conducting structure 2 comprises heat conducting silica gel 202, and the heat conducting silica gel 202 is arranged inside the mineral flame retardant belt 102;

heat conduction silica gel 202 sets up the inlayer at band layer 201 to the setting is between filling layer 203, through the cover to electric core structure 3 large tracts of land, be used for carrying out the outside quick transmission of production heat in the conductor 303 use, not only can promote the radiating efficiency of cable heat conduction greatly, life-span that can also further extension cable used slows down the ageing of cable.

Preferably, the jacket structure 1 further comprises a corrugated copper sheath 103, and the inside of the mineral flame retardant belt 102 is fixedly connected with the corrugated copper sheath 103;

the corrugated copper sheath 103 is a copper pipe arranged on the inner layer of the mineral flame-retardant belt 102, is used for enhancing the strength of the cable, is convenient to erect and use, and also plays a role in grounding and water resistance of the cable.

Preferably, the heat conducting structure 2 further comprises a wrapping layer 201 and a filling layer 203, and the inside of the corrugated copper sheath 103 is fixedly connected with the wrapping layer 201;

the inner part of the belting layer 201 is fixedly connected with the heat-conducting silica gel 202 and the filling layer 203, and the heat-conducting silica gel 202 and the filling layer 203 are distributed at intervals;

the wrapping layer 201 is arranged between the filling layer 203 and the corrugated copper sheath 103, is a layer of wrapping tape wound outside the internal circuit, enables the wrapping tape to be tightly and circularly wound together and is used for wrapping the internal structure and enhancing the tightness of the internal structure, and the filling layer 203 isolates the internal circuit in a mode of filling internal materials.

Preferably, the cell structure 3 includes an insulating isolation layer 301, a mineral insulating layer 302 and a conductor 303, and the interiors of the heat-conducting silica gel 202 and the filling layer 203 are fixedly connected to the insulating isolation layer 301;

the inside of the insulating isolation layer 301 is fixedly connected with the mineral insulating layer 302, and the inside of the mineral insulating layer 302 is fixedly connected with the conductor 303;

electric core structure 3 is the structure of inlayer, and outside-in is insulating isolation layer 301, mineral matter insulating layer 302 and conductor 303 in proper order, and wherein insulating isolation layer 301 is the cladding at the outer isolating construction of mineral matter insulating layer 302 for carry out the insulation protection to mineral matter insulating layer 302 and outer, mineral matter insulating layer 302 is made for mineral material, and the cladding is in the outside of conductor 303, is used for carrying out the insulation protection to conductor 303, avoids the interference of electric current.

The utility model discloses a fireproof cable includes three big structures altogether, be respectively overcoat structure 1, heat conduction structure 2 and electric core structure 3, its distribution structure outside-in is overcoat structure 1 in proper order, heat conduction structure 2 and electric core structure 3, the subdivision is the little structure, outside-in can divide into low smoke and zero halogen fireproof cover 101, the fire-retardant area of mineral 102, ripple copper sheath 103, band layer 201, heat conduction silica gel 202 and filling layer 203, insulating isolation layer 301, mineral substance insulating layer 302, conductor 303, it is the same with current cable structure arrangement, well-defined.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a flexible mineral insulation copper ripple metal sheath fireproof cable which characterized in that: the battery comprises a jacket structure (1), a heat conduction structure (2) and a battery cell structure (3), wherein the inside of the jacket structure (1) is fixedly connected with the heat conduction structure (2), and the inside of the heat conduction structure (2) is fixedly connected with the battery cell structure (3);

the jacket structure (1) comprises a low-smoke halogen-free fireproof jacket (101) and a mineral flame-retardant belt (102), wherein the interior of the low-smoke halogen-free fireproof jacket (101) is fixedly connected with the mineral flame-retardant belt (102);

the heat conduction structure (2) comprises heat conduction silica gel (202), and the heat conduction silica gel (202) is arranged in the mineral flame-retardant belt (102).

2. The flexible mineral insulated copper corrugated metal sheathed fireproof cable of claim 1, wherein: the jacket structure (1) further comprises a corrugated copper sheath (103), and the interior of the mineral flame-retardant belt (102) is fixedly connected with the corrugated copper sheath (103).

3. A flexible mineral insulated copper corrugated metal sheathed fireproof cable according to claim 2, wherein: the heat conduction structure (2) further comprises a wrapping layer (201) and a filling layer (203), and the interior of the corrugated copper sheath (103) is fixedly connected with the wrapping layer (201).

4. A flexible mineral insulated copper corrugated metal sheathed fireproof cable according to claim 3, wherein: the inner part of the belting layer (201) is fixedly connected with the heat-conducting silica gel (202) and the filling layer (203), and the heat-conducting silica gel (202) and the filling layer (203) are distributed at intervals.

5. A flexible mineral insulated copper corrugated metal sheathed fireproof cable according to claim 3, wherein: the battery core structure (3) comprises an insulating isolation layer (301), a mineral insulating layer (302) and a conductor (303), and the interiors of the heat conduction silica gel (202) and the filling layer (203) are fixedly connected with the insulating isolation layer (301).

6. A flexible mineral insulated copper corrugated metal sheath fireproof cable according to claim 5, wherein: the inside and the mineral matter insulating layer (302) fixed connection of insulating layer (301), the inside and the conductor (303) fixed connection of mineral matter insulating layer (302).