CN111739686A

CN111739686A - PVC 150-degree high-temperature-resistant electric wire

Info

Publication number: CN111739686A
Application number: CN202010641481.XA
Authority: CN
Inventors: 江培基
Original assignee: Dongguan Longzhiyi Industrial Co ltd
Current assignee: Dongguan Longzhiyi Industrial Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2020-10-02

Abstract

The invention discloses a PVC 150-DEG C high-temperature-resistant electric wire which comprises a first sheath, wherein a high-temperature-resistant layer is wrapped on the first sheath, an armor is wound on the high-temperature-resistant layer, a fireproof layer is wrapped on the armor, a wear-resistant layer is wrapped on the fireproof layer, a second sheath is tightly attached to the inside of the first sheath, a wire core is wrapped in the second sheath, and a first flame-retardant layer is filled between the first sheath and the second sheath. The high-temperature resistant layer made of the polyvinyl fluoride material can ensure the high-temperature resistant effect of the whole cable, and the first flame-retardant layer and the fireproof layer are matched, so that the effect of delaying the fire or blocking the fire from spreading can be achieved when the cable is in a fire.

Description

PVC 150-degree high-temperature-resistant electric wire

Technical Field

The invention belongs to the technical field of high-temperature-resistant electric wires, and particularly relates to a PVC (polyvinyl chloride) 150-degree high-temperature-resistant electric wire.

Background

The cable is a common electrified circuit, and basically all large-scale electric equipment can be electrified by adopting the cable.

The high-temperature-resistant cable is an electrified cable used for high-temperature environment operation or high-temperature areas, is mainly high-temperature-resistant, and avoids the phenomenon that the surface layer of the cable is softened or the ageing speed of the cable is accelerated due to overhigh temperature, so that safety accidents are caused.

However, the existing high-temperature-resistant cable has poor flame retardance, and particularly in a high-temperature area, once the high-temperature resistance is not lower than that of a high-temperature environment, after a fire disaster occurs, the fire can spread quickly, so that the surrounding environment is damaged.

Disclosure of Invention

The invention aims to provide a PVC 150-DEG C high-temperature-resistant wire to solve the problem of poor flame retardant property of a high-temperature-resistant cable.

In order to achieve the purpose, the invention provides the following technical scheme: PVC150 degree high temperature resistant electric wire, including first sheath, the parcel has high temperature resistant layer on the first sheath, the winding has the armor on the high temperature resistant layer, the parcel has the flame retardant coating on the armor, the parcel has the wearing layer on the flame retardant coating, hug closely in the first sheath has the second sheath, the parcel has the sinle silk in the second sheath, the first flame retardant coating of packing between first sheath and the second sheath.

Preferably, the first sheath and the second sheath are both made of rubber materials, and the thickness of the first sheath and the second sheath is not more than 1 mm.

Preferably, the high temperature resistant layer is made of polyvinyl fluoride material, and the thickness is no less than 0.6 mm, has the effect of high temperature resistance, can endure the height of at least 190 degrees.

Preferably, the armor is formed by interweaving galvanized aluminum wires and galvanized steel wires, and the integral cable is guaranteed to have enough toughness and strength.

Preferably, the fireproof layer is a mica layer, the thickness of the fireproof layer is 0.5 mm to 0.8 mm, a fireproof effect can be achieved from the outside, and an effect of delaying fire or blocking fire from spreading can be achieved when a fire disaster occurs.

Preferably, the wear-resistant layer is made of polyvinyl chloride wiping materials, the thickness of the wear-resistant layer is 0.5 mm to 1 mm, the wear-resistant performance of the materials is high, and the surface layer can be prevented from being easily worn when the cable is rubbed back and forth.

Preferably, the first flame-retardant layer is formed by filling flame retardant particles, so that a flame-retardant effect can be achieved from the inside, and the condition that the inside catches fire due to spontaneous combustion of multiple groups of wire cores can be prevented.

Preferably, the wear-resistant layer is wrapped with annular sleeves, the two sides of each annular sleeve are conical surfaces, and the spacing distance between every two adjacent annular sleeves is 3 meters.

Preferably, the annular sleeve is filled with a second flame-retardant layer, and the second flame-retardant layer is made of flame-retardant foam material.

Compared with the prior art, the invention has the beneficial effects that: the high-temperature resistant layer made of the polyvinyl fluoride material can ensure the high-temperature resistant effect of the whole cable, and the first flame-retardant layer and the fireproof layer are matched, so that the effect of delaying the fire or blocking the fire from spreading can be achieved when the cable is in a fire.

Drawings

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

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

fig. 3 is a schematic view of the shape of the annular sleeve of the present invention.

In the figure: 1. a first sheath; 11. a high temperature resistant layer; 12. armoring; 13. a fire barrier layer; 14. a wear layer; 15. a first flame retardant layer; 16. a second sheath; 17. a wire core, 2 and an annular sleeve; 21. a second flame retardant layer.

Detailed Description

Referring to fig. 1, the PVC 150-degree high temperature resistant electric wire includes a first sheath 1, a high temperature resistant layer 11 is wrapped on the first sheath 1, an armor 12 is wrapped on the high temperature resistant layer 11, a fireproof layer 13 is wrapped on the armor 12, a wear-resistant layer 14 is wrapped on the fireproof layer 13, a second sheath 16 is tightly attached to the first sheath 1, a wire core 17 is wrapped in the second sheath 16, and a first flame retardant layer 15 is filled between the first sheath 1 and the second sheath 16.

Referring to fig. 1, the first sheath 1 and the second sheath 16 are made of rubber materials and have a thickness not exceeding 1 mm.

Referring to fig. 1, the high temperature resistant layer 11 is made of polyvinyl fluoride material, has a thickness of not less than 0.6 mm, has a high temperature resistant effect, and can resist a height of at least 190 degrees.

Referring to fig. 1, the armor 12 is formed by interweaving galvanized aluminum wires and galvanized steel wires, so as to ensure that the whole cable has enough toughness and strength.

Referring to fig. 1, the fireproof layer 13 is a mica layer, has a thickness of 0.5 mm to 0.8 mm, and can play a role in preventing fire from the outside and delaying or blocking the spread of fire when a fire occurs.

Referring to fig. 1, the wear-resistant layer 14 is made of polyvinyl chloride material, has a thickness of 0.5 mm to 1 mm, has high wear resistance, and can ensure that the surface layer is not easily worn when the cable is rubbed back and forth.

Referring to fig. 1, the first flame retardant layer 15 is filled with flame retardant particles, and can play a role in flame retardancy from the inside, thereby preventing the internal ignition caused by spontaneous combustion of the plurality of groups of wire cores 17.

Referring to fig. 2 and 3, the wear-resistant layer 14 is wrapped by the annular sleeves 2, both sides of each annular sleeve 2 are conical surfaces, and the distance between every two adjacent annular sleeves 2 is 3 meters, so that a water blocking effect can be achieved, and rainwater or water stains are prevented from sliding into joints along lines.

Referring to fig. 2 and 3, the second flame retardant layer 21 is filled in the annular sleeve 2, and the second flame retardant layer 21 is made of a flame retardant foam material, so that when a fire breaks out outside, the second flame retardant layer can have an effect of blocking the spread of the fire.

The working principle of the scheme is as follows: the first sheath 1 and the second sheath 16 are both made of rubber materials, the thickness is not more than 1 mm, the high temperature resistant layer 11 is made of polyvinyl fluoride materials, the high temperature resistant effect is achieved, the high temperature resistant cable can resist the height of at least 190 degrees, the armor 12 is formed by interweaving galvanized aluminum wires and galvanized steel wires, the fact that the whole cable has enough toughness and strength is guaranteed, the fireproof layer 13 is a mica layer, the fireproof effect can be achieved from the outside, the effect of delaying the fire or blocking the fire from spreading can be achieved when a fire occurs, the wear-resistant layer 14 is made of polyvinyl chloride rubbing materials, the wear-resistant performance of the materials is high, the surface layer can not be easily worn when the cable rubs back and forth, the first flame-retardant layer 15 is filled with flame retardant particles, the flame-retardant effect can be achieved from the inside, the situation that the inside is ignited due to spontaneous combustion of a plurality of wire cores 17 can be prevented, both sides of the annular sleeve 2 are conical, the spacing distance of adjacent annular cover 2 is 3 meters, can play a effect of blocking water, avoids rainwater or water stain to slide into along the circuit and connects the department, and the fire-retardant layer 21 of second is made by fire-retardant foam material, can play a effect of blocking the intensity of a fire and stretching when the conflagration appears in the outside.

Claims

PVC150 degree high temperature resistant electric wire, including first sheath (1), its characterized in that: the high-temperature-resistant layer (11) wraps the first sheath (1), the armor (12) is wound on the high-temperature-resistant layer (11), the fireproof layer (13) wraps the armor (12), the wear-resistant layer (14) wraps the fireproof layer (13), the second sheath (16) is tightly attached to the first sheath (1), the wire core (17) is wrapped in the second sheath (16), and the first flame-retardant layer (15) filled between the first sheath (1) and the second sheath (16).
2. The PVC150 degree high temperature resistant electric wire of claim 1, characterized in that: the first sheath (1) and the second sheath (16) are both made of rubber materials, and the thickness of the first sheath and the second sheath is not more than 1 mm.
3. The PVC150 degree high temperature resistant electric wire of claim 1, characterized in that: the high temperature resistant layer (11) is made of polyvinyl fluoride material, and the thickness is not less than 0.6 mm.
4. The PVC150 degree high temperature resistant electric wire of claim 1, characterized in that: the armor (12) is formed by interweaving galvanized aluminum wires and galvanized steel wires.
5. The PVC150 degree high temperature resistant electric wire of claim 1, characterized in that: the fireproof layer (13) is a mica layer, and the thickness of the fireproof layer is between 0.5 mm and 0.8 mm.
6. The PVC150 degree high temperature resistant electric wire of claim 1, characterized in that: the wear-resistant layer (14) is made of polyvinyl chloride wiping materials and has the thickness of 0.5 mm to 1 mm.
7. The PVC150 degree high temperature resistant electric wire of claim 1, characterized in that: the first flame-retardant layer (15) is formed by filling flame retardant particles.
8. The PVC150 degree high temperature resistant electric wire of claim 1, characterized in that: the wear-resistant layer (14) is wrapped with the annular sleeve (2), the two sides of the annular sleeve (2) are conical surfaces, and the spacing distance between every two adjacent annular sleeves (2) is 3 m.
9. The PVC150 degree high temperature resistant electric wire of claim 1, characterized in that: the annular sleeve (2) is filled with a second flame-retardant layer (21), and the second flame-retardant layer (21) is made of flame-retardant foam material.