CN212934180U

CN212934180U - Mineral substance insulation fireproof cable

Info

Publication number: CN212934180U
Application number: CN202021386080.6U
Authority: CN
Inventors: 杨孟衡
Original assignee: Guangzhou Xinxing Cables Industry Co ltd
Current assignee: Guangzhou Xinxing Cables Industry Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-04-09
Anticipated expiration: 2030-07-15

Abstract

The utility model provides an insulating fireproof cable of mineral substance, it is poor to have solved current cable insulating properties, and its fire prevention fire behaviour is also relatively poor simultaneously, is unfavorable for the problem of the use of cable, and it includes cable conductor, mineral substance insulating layer, crosslinked polyethylene waterproof layer, vertical welding embossing aluminium strip, mineral substance filling flame retardant coating, low smoke and zero halogen high flame retardant glass fiber tape and low smoke and zero halogen polyolefin sheath, cable conductor's the outside has the mineral substance insulating layer around the package, and the outside of mineral substance insulating layer has the crosslinked polyethylene waterproof layer extruded, and the outside of crosslinked polyethylene waterproof layer has vertical welding embossing aluminium strip around the package, and the outside of vertical welding embossing aluminium strip has the mineral substance to fill the flame retardant coating, and the outside of mineral substance filling the flame retardant coating has low smoke and zero halogen high flame retardant glass.

Description

Mineral substance insulation fireproof cable

Technical Field

The utility model relates to a cable specifically is an insulating fireproof cable of mineral substance.

Background

A cable is a conductor made of one or more conductors insulated from each other and an outer insulating sheath that carries power or information from one location to another.

The existing cable has poor insulating property and poor fireproof and flame-retardant properties, and is not beneficial to the use of the cable.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides an insulating fireproof cable of mineral substance, the effectual current cable insulating properties of having solved is poor, and its fire prevention fire behavior is also relatively poor simultaneously, is unfavorable for the problem of the use of cable.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a cable conductor, mineral substance insulating layer, crosslinked polyethylene waterproof layer, vertical welding embossing aluminium strip, mineral substance filling flame retardant coating, low smoke and zero halogen high flame retardant glass fiber tape, low smoke and zero halogen polyolefin sheath, first aluminium silk and second aluminium silk, cable conductor's the outside has the mineral substance insulating layer around the package, and the outside of mineral substance insulating layer has extruded crosslinked polyethylene waterproof layer, and the outside of crosslinked polyethylene waterproof layer has vertical welding embossing aluminium strip around the package, and the outside of vertical welding embossing aluminium strip has the mineral substance to fill the flame retardant coating, and the outside that the flame retardant coating was filled to the mineral substance has low smoke and zero halogen high flame retardant glass fiber tape around the package, and the outside of low smoke and zero halogen high flame retardant glass fiber tape has extruded low smoke and zero halogen polyolefin sheath.

Preferably, the mineral insulating layer is a component made of a double-sided synthetic mica tape.

Preferably, the longitudinal welding embossing aluminum strip is formed by winding a first aluminum wire and a second aluminum wire.

Preferably, the first aluminum wire and the second aluminum wire are wound at sixty degrees.

Has the advantages that: the utility model discloses a cable conductor outside is around the mineral substance insulating layer of package, make cable conductor have better insulating properties, the extruded crosslinked polyethylene waterproof layer in the mineral substance insulating layer outside, make cable conductor have better waterproof performance, the extruded mineral substance of the vertical welding embossing aluminium strip outside is filled the flame retardant coating and the mineral substance is filled the flame retardant coating outside is around the low smoke and zero halogen high fire-retardant glass fiber tape of package, make cable conductor have better fire behavior, the outside of low smoke and zero halogen high fire-retardant glass fiber tape has low smoke and zero halogen polyolefin sheath, strengthen fire behavior.

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 view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the longitudinal welding embossed aluminum strip of the present invention;

reference numbers in the figures: 1. a cable conductor; 2. a mineral insulating layer; 3. a waterproof layer of crosslinked polyethylene; 4. longitudinally welding the embossed aluminum strip; 5. a mineral filled fire barrier layer; 6. the low-smoke halogen-free high-flame-retardant glass fiber tape; 7. low smoke zero halogen polyolefin sheath.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-2.

In the first embodiment, as shown in fig. 1 and 2, the utility model provides a mineral insulated fireproof cable, which comprises a cable conductor 1, a mineral insulated layer 2, a crosslinked polyethylene waterproof layer 3, a longitudinal welded embossed aluminum strip 4, mineral substance filling fireproof layer 5, low-smoke halogen-free high-flame-retardant glass fiber tape 6, low-smoke halogen-free polyolefin sheath 7, first aluminum wire 8 and second aluminum wire 9, the outside of cable conductor 1 is wrapped with mineral substance insulating layer 2, cross-linked polyethylene waterproof layer 3 has been extruded in the outside of mineral substance insulating layer 2, cross-linked polyethylene waterproof layer 3's the outside is wrapped with longitudinal welding rolled grain aluminum tape 4, longitudinal welding rolled grain aluminum tape 4's the outside is extruded with mineral substance filling fireproof layer 5, the outside of mineral substance filling fireproof layer 5 is wrapped with low-smoke halogen-free high-flame-retardant glass fiber tape 6, low-smoke halogen-free high-flame-retardant glass fiber tape 6's the outside is extruded with low-smoke halogen-free polyolefin.

The mineral insulating layer 2 is a component made of 3 layers of double-sided synthetic mica tapes, so that the cable conductor 1 has good insulating performance.

The longitudinal welding embossed aluminum strip 4 is formed by winding a first aluminum wire 8 and a second aluminum wire 9, so that the longitudinal welding embossed aluminum strip 4 has better strength.

The first aluminum wire 8 and the second aluminum wire 9 are wound by sixty degrees, and the using effect is good.

Has the advantages that: the utility model discloses a 1 outside of cable conductor is around the mineral substance insulating layer 2 of package, make cable conductor 1 have better insulating properties, the extruded crosslinked polyethylene waterproof layer 3 in 2 outside of mineral substance insulating layer, make cable conductor 1 have better waterproof performance, the extruded mineral substance in the 4 outside of longitudinal weld line aluminium strip is filled flame retardant coating 5 and the 5 outsides of mineral substance filling flame retardant coating around the low smoke and zero halogen high flame retardant glass fiber tape 6 of package, make cable conductor 1 have better fire behavior, the extruded low smoke and zero halogen high flame retardant glass fiber tape 6's the outside has low smoke and zero halogen polyolefin sheath 7, strengthen fire behavior.

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 mineral substance insulation fireproof cable, includes cable conductor (1), mineral substance insulating layer (2), crosslinked polyethylene waterproof layer (3), vertical welding line aluminium strip (4), mineral substance filling flame retardant coating (5), low smoke and zero halogen high flame retardant glass fiber tape (6), low smoke and zero halogen polyolefin sheath (7), first aluminium silk (8) and second aluminium silk (9), its characterized in that: the utility model discloses a cable conductor, including cable conductor (1), the outside of cable conductor (1) is wrapped there is mineral substance insulating layer (2), the outside of mineral substance insulating layer (2) is crowded to have crosslinked polyethylene waterproof layer (3), the outside of crosslinked polyethylene waterproof layer (3) is wrapped there is vertical welding rolled grain aluminium strip (4), the outside of vertical welding rolled grain aluminium strip (4) is crowded to have mineral substance to fill flame retardant coating (5), the outside of mineral substance filling flame retardant coating (5) is wrapped there is low smoke and zero halogen high flame retardant glass fiber tape (6), the outside of low smoke and zero halogen high flame retardant glass fiber tape (6) is crowded there is low smoke polyolefin sheath (7) of steamed.

2. A mineral-insulated fireproof cable according to claim 1, wherein the mineral-insulated layer (2) is a 3-layer double-sided synthetic mica tape material.

3. A mineral-insulated fireproof cable according to claim 1, wherein the longitudinal welded embossed aluminium strip (4) is wound from a first aluminium wire (8) and a second aluminium wire (9).

4. A mineral-insulated fireproof cable according to claim 3, wherein the first and second aluminum wires (8, 9) are wound at sixty degrees.