CN211529641U

CN211529641U - Flexible mica tape mineral insulation corrugated copper sheath fireproof cable

Info

Publication number: CN211529641U
Application number: CN202020189654.4U
Authority: CN
Inventors: 芮黎春
Original assignee: Wuxi City Pu Cao Technology Co ltd
Current assignee: Wuxi City Pu Cao Technology Co ltd
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-09-18
Anticipated expiration: 2030-02-21

Abstract

The utility model discloses a soft type mica tape mineral insulation ripple copper sheath fireproof cable relates to cable technical field, and is harder for the copper sheath structure of solving current mineral insulation fireproof cable for the whole rigidity of cable is big, the not easy problem of bending. Be provided with fire resistant mica tape on the outer wall of copper core conductor around the covering, fire resistant mica tape is provided with the internal insulation layer on the outer wall of covering, be provided with the inner liner on the outer wall of internal insulation layer, be provided with the steel wire armor on the outer wall of inner liner, be provided with composite ceramic fiber cloth on the outer wall of steel wire armor, the outside of composite ceramic fiber cloth is provided with outer tegillum, be provided with the copper sheathing on the outer wall of outer tegillum, be provided with the external insulation cover on the outer wall of copper sheathing, be provided with the ripple structure on the outer wall of copper sheathing, the ripple structure is provided with a plurality of, and sets up through the embossing.

Description

Flexible mica tape mineral insulation corrugated copper sheath fireproof cable

Technical Field

The utility model relates to the technical field of cables, specifically be a soft type mica tape mineral insulation ripple copper sheath fireproof cable.

Background

The cable is a conducting wire for transmitting electric energy, and is divided into a bare wire, an electromagnetic wire and an insulating wire, wherein the bare wire has no insulating layer and comprises copper, an aluminum flat wire, an overhead stranded wire and various profiles (such as molded lines, buses, copper bars, aluminum bars and the like). The conductor is mainly copper wire, the thin insulating layer and the good electric mechanical property are needed, the heat resistance, the moisture resistance and the solvent resistance are needed, different insulating materials are selected to obtain different properties, the electromagnetic wire is an insulated wire which generates a magnetic field after being electrified or induces and generates current in the magnetic field, the conductor is mainly copper wire, the thin insulating layer and the good electric mechanical property are needed, the heat resistance, the moisture resistance and the solvent resistance are needed, and different insulating materials are selected to obtain different properties.

However, the copper sheath structure of the existing mineral insulation fireproof cable is hard, so that the cable is high in overall rigidity and not easy to bend; therefore, the existing requirements are not met, and a flexible mica tape mineral insulation corrugated copper sheath fireproof cable is provided for the cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soft type mica tape mineral insulation ripple copper sheathing fireproof cable to the copper sheathing structure of the current mineral insulation fireproof cable who provides in solving above-mentioned background is harder, makes the whole rigidity of cable big, the not pliable problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a soft type mica tape mineral insulation ripple copper sheath fireproof cable, includes the copper core conductor, be provided with fire resistant mica tape on the outer wall of copper core conductor around the covering, fire resistant mica tape is provided with the internal insulation layer on the outer wall of covering, be provided with the inner liner on the outer wall of internal insulation layer, be provided with the steel wire armor on the outer wall of inner liner, be provided with composite ceramic fiber cloth on the outer wall of steel wire armor, the outside of composite ceramic fiber cloth is provided with outer tegillum, be provided with the copper sheath on the outer wall of outer tegillum, be provided with the external insulation cover on the outer wall of copper sheath.

Preferably, the outer wall of the copper sheath is provided with a plurality of corrugated structures which are arranged through embossing.

Preferably, the outer wall of the composite ceramic fiber cloth is provided with a waterproof coating.

Preferably, the steel wire armor is formed by weaving a plurality of steel strands.

Preferably, the fire-resistant mica tape is fixed on the outer wall of the copper core conductor in a multi-layer wrapping mode.

Preferably, the composite ceramic fiber cloth is arranged between the steel wire armor and the outer covering layer.

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

1. the utility model discloses the conductor adopts single copper core structure, need not pass through again and draw, can produce by big length, and the copper sheathing of its outer layer produces a plurality of ripple structures through the embossing, and flexible surplus is big during the bending, has guaranteed the flexibility of cable for the tensile of cable, anti dragging performance are showing and are improving.

2. Through set up multilayer fire-resistant mica tape around the covering on the outer wall at copper core conductor, fire-resistant mica tape is around the covering under conflagration high temperature environment, and its inside mineral insulation mica can firmly sinter on the conductor surface, forms the insulating layer, prevents the cable short circuit.

3. Set up composite ceramic fiber cloth through the outer wall at the steel wire armor, composite ceramic fiber cloth can further improve the fire resistance of cable, scribbles water-proof coating on its outer wall, can strengthen the waterproof nature of cable, avoids the steel wire armor of inner wall to meet water and rust to and the phenomenon emergence of short circuit takes place in the cable infiltration.

4. Through set up outer tegument on composite ceramic fiber cloth's outer wall, outer tegument is made for the polyethylene material, has good oxidation resistance, can avoid the inside composite ceramic fiber cloth of cable and steel wire armor oxidative corrosion.

Drawings

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

fig. 2 is a schematic external structural view of the present invention;

FIG. 3 is a partial enlarged view of the point A of the present invention;

in the figure: 1. a copper-core conductor; 2. a fire-resistant mica tape lapping layer; 3. an inner insulating layer; 4. an inner liner layer; 5. steel wire armoring; 6. composite ceramic fiber cloth; 601. a water-resistant coating; 7. a tegument layer; 8. a copper sheath; 9. a corrugated structure; 10. and an outer insulating sleeve.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a soft type mica tape mineral insulation ripple copper sheathing fireproof cable, including copper core conductor 1, be provided with fire resistant mica tape on copper core conductor 1's the outer wall around covering 2, the fire resistant mica tape is around the mineral insulation mica in covering 2, can firmly sinter on the conductor surface under high temperature environment, form the insulating layer, prevent the cable short circuit, the fire resistant mica tape is provided with inner insulating layer 3 on covering 2's the outer wall, be provided with inner liner 4 on inner insulating layer 3's the outer wall, be provided with steel wire armor 5 on inner liner 4's the outer wall, be provided with composite ceramic fiber cloth 6 on steel wire armor 5's the outer wall, composite ceramic fiber cloth 6's outside is provided with tegument 7, be provided with copper sheathing 8 on tegument 7's the outer wall, be provided with outer insulating cover 10 on copper sheathing.

Further, be provided with corrugated structure 9 on the outer wall of copper sheathing 8, corrugated structure 9 is provided with a plurality of, and sets up through the embossing, and flexible surplus when the corrugated structure 9 of 8 outer walls of copper sheathing makes the cable crooked is big, has guaranteed the flexibility of cable.

Further, be provided with waterproof coating 601 on the outer wall of composite ceramic fiber cloth 6, waterproof coating 601 can adopt PU polyurethane waterproof coating 601, because of composite ceramic fiber cloth 6 itself has better heat resistance, combines waterproof coating 601 can strengthen the waterproof nature of cable, avoids the steel wire armor 5 of inner wall to meet water and rust.

Furthermore, the steel wire armor 5 is formed by weaving a plurality of steel strands, and the steel wire armor 5 can effectively reduce the influence of mechanical force on the cable, so that the mechanical force acting on the cable is borne by the armor layer, and the toughness of the cable is enhanced.

Further, fire-resistant mica tape is fixed on the outer wall of copper core conductor 1 around covering 2 adoption multilayer around the mode of covering, and fire-resistant mica tape is around covering 2 under conflagration high temperature environment, and its inside mineral insulation mica can firmly sinter on the conductor surface, forms the insulating layer, prevents the cable short circuit.

Further, composite ceramic fiber cloth 6 sets up between steel wire armor 5 and tegument 7, and outermost tegument 7 is made for the polyethylene material, has good oxidation resistance, can avoid the inside composite ceramic fiber cloth 6 of cable and the oxidation corrosion of steel wire armor 5.

The working principle is as follows: when in use, because the outer wall of the copper core conductor 1 is provided with the multilayer fire-resistant mica tape wrapping layer 2, the mineral insulation mica inside the copper core conductor can be firmly sintered on the surface of the conductor to form an insulation layer to prevent short circuit of the cable and give sufficient rush repair time, the steel wire armor 5 is arranged in the cable, the steel wire armor 5 can effectively reduce the influence of mechanical force on the cable, the mechanical force applied to the cable is born by the armor layer to enhance the toughness of the cable, the outer wall of the composite ceramic fiber cloth 6 is covered with the composite ceramic fiber cloth 6, the fire resistance of the cable can be further improved, the waterproof coating 601 is coated on the composite ceramic fiber cloth 6, the waterproof performance of the cable can be enhanced, the steel wire armor 5 on the inner wall is prevented from rusting when meeting water, the outer tegument 7 is arranged outside the composite ceramic fiber cloth 6, the tegument 7 is made of polyethylene, can avoid the inside compound ceramic fiber cloth 6 of cable and the 5 oxidative corrosion of steel wire armor, the cable is outmost to be copper sheath 8, is provided with even ripple structure 9 on the copper sheath 8 for flexible surplus when the cable is crooked is big, has guaranteed the compliance performance of cable.

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. The utility model provides a soft type mica tape mineral insulation ripple copper sheath fireproof cable, includes copper core conductor (1), its characterized in that: be provided with fire resistant mica tape on the outer wall of copper core conductor (1) around covering (2), fire resistant mica tape is provided with insulating inner layer (3) on the outer wall of covering (2), be provided with inner liner (4) on the outer wall of insulating inner layer (3), be provided with steel wire armor (5) on the outer wall of inner liner (4), be provided with composite ceramic fiber cloth (6) on the outer wall of steel wire armor (5), the outside of composite ceramic fiber cloth (6) is provided with outer tegillum (7), be provided with copper sheathing (8) on the outer wall of tegillum (7), be provided with outer insulating cover (10) on the outer wall of copper sheathing (8).

2. The flexible mica tape mineral insulation corrugated copper sheath fireproof cable according to claim 1, wherein: the outer wall of the copper sheath (8) is provided with a corrugated structure (9), and the corrugated structure (9) is provided with a plurality of corrugated structures and is arranged through embossing.

3. The flexible mica tape mineral insulation corrugated copper sheath fireproof cable according to claim 1, wherein: and a waterproof coating (601) is arranged on the outer wall of the composite ceramic fiber cloth (6).

4. The flexible mica tape mineral insulation corrugated copper sheath fireproof cable according to claim 1, wherein: the steel wire armor (5) is formed by weaving a plurality of steel strands.

5. The flexible mica tape mineral insulation corrugated copper sheath fireproof cable according to claim 1, wherein: the fire-resistant mica tape is fixed on the outer wall of the copper core conductor (1) in a multi-layer wrapping mode around the covering (2).

6. The flexible mica tape mineral insulation corrugated copper sheath fireproof cable according to claim 1, wherein: the composite ceramic fiber cloth (6) is arranged between the steel wire armor (5) and the outer covering layer (7).