CN210156163U

CN210156163U - High-voltage cable with fireproof and flame-retardant functions

Info

Publication number: CN210156163U
Application number: CN201920950172.3U
Authority: CN
Inventors: 吴建华
Original assignee: SUZHOU NANHUA AUTO PARTS CO Ltd
Current assignee: SUZHOU NANHUA AUTO PARTS CO Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-03-17
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a high-voltage cable with fireproof and flame-retardant functions, which comprises a high-voltage cable silica gel body, copper core wires, a shielding layer, a fireproof layer, a waterproof film layer and a polyethylene protective layer, wherein the copper core wires are distributed in the high-voltage cable silica gel body; the shielding layer consists of an inner insulating anti-static skin, a shielding braided net layer, an outer insulating anti-static skin and a metal shielding magnetic ring; the fire-proof layer comprises a glass fiber fire-proof cloth layer, a flame-retardant wrapping tape layer and an aluminum foil paper layer. This fire prevention fire-retardant function's high-voltage cable, the high-pressure danger of taking place is avoided in the efficient shielding protection, prevents that static is on fire, and is high-pressure resistant, safe and reliable has improved its shielding property, and the efficient plays the fire-retardant effect of fire prevention, high temperature resistant fire prevention, and the operation is stable, thermal-insulated noise reduction.

Description

High-voltage cable with fireproof and flame-retardant functions

Technical Field

The utility model relates to a high-voltage cable technical field specifically is a high-voltage cable of fire prevention fire-retardant function.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. The high voltage cable is a kind of power cable, which is used for transmitting power between 1kv and 1000kv, and is widely used for power transmission and distribution. The high-voltage cable comprises the following components from inside to outside: conductor, insulation, inner sheath, filler (armor), outer insulation.

The existing high-voltage cable cannot be efficiently shielded and protected, high-voltage danger can be generated, the insulating property is poor, static fire can be caused, the safety performance is insufficient, the fireproof flame-retardant effect is low, cable faults can be caused to occur, the danger coefficient is high, the operation is unstable, and the requirement of the existing high-voltage cable with the fireproof flame-retardant function is difficult to meet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a fire prevention fire-retardant function's high-voltage cable has solved the problem that proposes in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high-voltage cable with a fireproof and flame-retardant function comprises a high-voltage cable silica gel body, copper core wires, a shielding layer, a fireproof layer, a waterproof film layer and a polyethylene protective layer, wherein the copper core wires are distributed in the high-voltage cable silica gel body; the shielding layer consists of an inner insulating anti-static skin, a shielding braided net layer, an outer insulating anti-static skin and a metal shielding magnetic ring, the outer side of the shielding layer is provided with the metal shielding magnetic ring, the inner side of the metal shielding magnetic ring is provided with the outer insulating anti-static skin, the inner side of the outer insulating anti-static skin is provided with the shielding braided net layer, and the inner side of the shielding braided net layer is provided with the inner insulating anti-static skin; the fireproof layer comprises a glass fiber fireproof cloth layer, a flame-retardant winding band layer and an aluminum foil paper layer, wherein the aluminum foil paper layer is arranged on the outer side of the fireproof layer, the flame-retardant winding band layer is arranged on the inner side of the aluminum foil paper layer, and the glass fiber fireproof cloth layer is arranged on the inner side of the flame-retardant winding band layer.

Preferably, the wear-resistant rubber sleeve is sleeved outside the polyethylene protective layer, and nylon wires are filled and distributed in the polyethylene protective layer.

Preferably, the inside of high-voltage cable silica gel body is filled with and is filled the armor rope, it is polypropylene tape, non-woven fabrics, PP rope and hemp rope to fill the armor rope distribution.

Preferably, the waterproof membrane layer is internally embedded with water-absorbing soundproof cotton which is made of glass fiber materials.

Preferably, a high-temperature-resistant rubber layer is sleeved outside the copper core wire, and the high-temperature-resistant rubber is made of an inorganic nano composite material.

(III) advantageous effects

The utility model provides a high-voltage cable of fire prevention fire-retardant function. The method has the following beneficial effects:

(1) this fire prevention flame retardant function's high-voltage cable, through the shielding layer that cup joints in high-voltage cable silica gel body outside, but the efficient shielding protection avoids the high pressure to take place dangerously, prevents static skin, shielding braided net layer and outer insulation through the internal insulation that sets up in its inside and prevents static skin, and the static is prevented to the efficient and is on fire, and is high pressure resistant, safe and reliable, through the metal shielding magnetic ring that sets up in the outside, has further improved its shielding property, reasonable in design.

(2) This fire prevention flame retardant function's high-pressure cable through the flame retardant coating that sets up in high-pressure cable silica gel body inside, through the fine fire prevention cloth layer of glass that sets up with fire-retardant effect of playing the fire prevention of fire with fire-retardant around band layer efficient, through the aluminium foil paper layer that sets up, further has played high temperature resistant fire prevention effect, simple structure, the operation is stable, thermal-insulated noise reduction.

Drawings

Fig. 1 is a schematic view of the overall structure of a high-voltage cable with fireproof and flame-retardant functions according to the present invention;

fig. 2 is a schematic view of the internal structure of the shielding layer of the high-voltage cable with fireproof and flame-retardant functions of the present invention;

fig. 3 is the utility model relates to a flame retardant coating inner structure schematic diagram of high-voltage cable of fire prevention fire-retardant function.

In the figure: the high-voltage cable comprises a high-voltage cable silica gel body-1, a copper core wire-2, a shielding layer-3, a fireproof layer-4, a waterproof film layer-5, a polyethylene protective layer-6, nylon wires-7, a filling armor rope-8, an inner insulating anti-static skin-9, a shielding braided net layer-10, an outer insulating anti-static skin-11, a metal shielding magnetic ring-12, a glass fiber fireproof cloth layer-13, a flame-retardant winding tape layer-14 and an aluminum foil paper layer-15.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: a high-voltage cable with a fireproof and flame-retardant function comprises a high-voltage cable silica gel body 1, a copper core wire 2, a shielding layer 3, a fireproof layer 4, a waterproof film layer 5 and a polyethylene protective layer 6, wherein the copper core wire 2 is distributed in the high-voltage cable silica gel body 1, the shielding layer 3 is sleeved outside the high-voltage cable silica gel body 1, the fireproof layer 4 is arranged outside the shielding layer 3, the waterproof film layer 5 is arranged outside the fireproof layer 4, and the polyethylene protective layer 6 is arranged outside the waterproof film layer 5; the shielding layer 3 consists of an inner insulating anti-static skin 9, a shielding braided net layer 10, an outer insulating anti-static skin 11 and a metal shielding magnetic ring 12, the outer side of the shielding layer 3 is provided with the metal shielding magnetic ring 12, the inner side of the metal shielding magnetic ring 12 is provided with the outer insulating anti-static skin 11, the inner side of the outer insulating anti-static skin 11 is provided with the shielding braided net layer 10, and the inner side of the shielding braided net layer 10 is provided with the inner insulating anti-static skin 9; the fireproof layer 4 comprises a glass fiber fireproof cloth layer 13, a flame-retardant winding band layer 14 and an aluminum foil paper layer 15, the aluminum foil paper layer 15 is arranged on the outer side of the fireproof layer 4, the flame-retardant winding band layer 14 is arranged on the inner side of the aluminum foil paper layer 15, and the glass fiber fireproof cloth layer 13 is arranged on the inner side of the flame-retardant winding band layer 14.

The outer part of the polyethylene protective layer 6 is sleeved with a wear-resistant rubber sleeve, and the nylon wires 7 are filled and distributed in the polyethylene protective layer 6, so that the polyethylene protective layer is wear-resistant, durable, high in toughness and high in structural strength.

The inside packing of high-voltage cable silica gel body 1 has packing armor rope 8, packing armor rope 8 distributes for polypropylene tape, non-woven fabrics, PP rope and hemp rope for it is more stable, increase of service life, corrosion-resistant.

Waterproof rete 5's inside is inlayed and is had the soundproof cotton that absorbs water, the soundproof cotton that absorbs water adopts the fine material of glass to make, and the material is of high quality, absorbs water-proof effects well.

The high-temperature-resistant rubber layer is sleeved outside the copper core wire 2, and the high-temperature-resistant rubber is made of inorganic nano composite materials and is high-temperature-resistant, so that the wire is prevented from being overheated and causing fire.

The working principle is as follows: the copper core wire 2 inside the high-voltage cable silica gel body 1 is connected and can be electrified, the shielding layer 3 sleeved outside the high-voltage cable silica gel body 1 has high-efficiency shielding protection to avoid high-voltage danger, the inner insulation anti-static skin 9, the shielding braided net layer 10 and the outer insulation anti-static skin 11 prevent static fire, and are high-pressure resistant, safe and reliable, the shielding performance of the metal shielding magnetic ring 12 is further improved, the metal shielding magnetic ring 12 is an anti-interference element and has good inhibition effect on high-frequency noise, the metal shielding magnetic ring is made of ferrite material (Mn-Zn), the magnetic ring has different impedance characteristics under different frequencies, the fireproof layer 4 inside the high-voltage cable silica gel body has fireproof and flame-retardant effects through a glass fiber fireproof cloth layer 13 and a flame-retardant wrapping belt layer 14, the glass fiber fireproof cloth layer 13 is plain weave and satin weave and is formed by high-temperature-resistant and nonh, the aluminum foil paper layer 15 further plays a role in high temperature resistance and fire prevention, and is simple in structure, stable in operation, heat-insulating and noise-reducing.

The utility model discloses a high-voltage cable silica gel body 1, copper core wire 2, shielding layer 3, flame retardant coating 4, waterproof membrane layer 5, polyethylene protective layer 6, nylon yarn 7, pack armor rope 8, the static skin is prevented to internal insulation 9, shield braided network layer 10, the static skin is prevented to external insulation 11, metal shielding magnetic ring 12, fine flameproof fabric layer 13 of glass, fire-retardant wrapping tape layer 14, aluminium foil paper layer 15, the part is general standard component or the part that technical staff in the field knows, its structure and principle all are that this technical staff can learn through the technical manual or through conventional experimental approach, the problem that the utility model solves is that current high-voltage cable can not high-efficient shielding protection, probably produces high pressure danger, and insulating properties is poor, probably leads to static to catch a fire, the security performance is not enough, the fire prevention flame retardant effect is low, probably leads to cable trouble to catch a fire, the danger coefficient is high, lead to the operation unstability, be difficult to satisfy the demand scheduling problem of the high-voltage cable of current fire prevention fire-retardant function, the utility model discloses a combination of each other of above-mentioned part, this fire prevention fire-retardant function's high-voltage cable, through the shielding layer that cup joints in high-voltage cable silica gel body outside, but the efficient shielding protection, avoid the high pressure to take place danger, prevent static skin through the internal insulation that sets up in its inside, the shielding braided net layer and the external insulation prevent static skin, the static fire is prevented to the efficient, high pressure resistant, safe and reliable, through the metal shielding magnetic ring that sets up in the outside, its shielding property has further been improved, and reasonable in design. This fire prevention flame retardant function's high-pressure cable through the flame retardant coating that sets up in high-pressure cable silica gel body inside, through the fine fire prevention cloth layer of glass that sets up with fire-retardant around band layer can the efficient play the fire-retardant effect of preventing fires, through the aluminium foil paper layer that sets up, further has played high temperature resistant fire prevention effect, simple structure, the operation is stable, thermal-insulated noise reduction.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a fire prevention flame retardant function's high-voltage cable which characterized in that: the cable comprises a high-voltage cable silica gel body (1), copper core wires (2), a shielding layer (3), a fireproof layer (4), a waterproof film layer (5) and a polyethylene protective layer (6), wherein the copper core wires (2) are distributed in the high-voltage cable silica gel body (1), the shielding layer (3) is sleeved outside the high-voltage cable silica gel body (1), the fireproof layer (4) is arranged outside the shielding layer (3), the waterproof film layer (5) is arranged outside the fireproof layer (4), and the polyethylene protective layer (6) is arranged outside the waterproof film layer (5);

the shielding layer (3) consists of an inner insulating anti-static skin (9), a shielding braided net layer (10), an outer insulating anti-static skin (11) and a metal shielding magnetic ring (12), the outer side of the shielding layer (3) is provided with the metal shielding magnetic ring (12), the inner side of the metal shielding magnetic ring (12) is provided with the outer insulating anti-static skin (11), the inner side of the outer insulating anti-static skin (11) is provided with the shielding braided net layer (10), and the inner side of the shielding braided net layer (10) is provided with the inner insulating anti-static skin (9);

the fireproof layer (4) comprises a glass fiber fireproof cloth layer (13), a flame-retardant winding band layer (14) and an aluminum foil paper layer (15), the aluminum foil paper layer (15) is arranged on the outer side of the fireproof layer (4), the flame-retardant winding band layer (14) is arranged on the inner side of the aluminum foil paper layer (15), and the glass fiber fireproof cloth layer (13) is arranged on the inner side of the flame-retardant winding band layer (14).

2. The high-voltage cable with the fireproof and flame-retardant functions as claimed in claim 1, wherein: the wear-resistant rubber sleeve is sleeved outside the polyethylene protective layer (6), and nylon wires (7) are filled and distributed inside the polyethylene protective layer (6).

3. The high-voltage cable with the fireproof and flame-retardant functions as claimed in claim 1, wherein: the high-voltage cable is characterized in that a filling armor rope (8) is filled in the high-voltage cable silica gel body (1), and the filling armor rope (8) is distributed into a polypropylene tape, a non-woven fabric, a PP rope and a hemp rope.

4. The high-voltage cable with the fireproof and flame-retardant functions as claimed in claim 1, wherein: the waterproof film layer (5) is internally embedded with water-absorbing soundproof cotton which is made of glass fiber materials.

5. The high-voltage cable with the fireproof and flame-retardant functions as claimed in claim 1, wherein: and a high-temperature-resistant rubber layer is sleeved outside the copper core wire (2), and the high-temperature-resistant rubber is made of an inorganic nano composite material.