CN212874133U

CN212874133U - Flexible low-voltage fireproof cable

Info

Publication number: CN212874133U
Application number: CN202021917654.8U
Authority: CN
Inventors: 孙锋
Original assignee: Wuxi Chili Cable Technology Co ltd
Current assignee: Jiangsu chili Cable Co.,Ltd.
Priority date: 2020-09-05
Filing date: 2020-09-05
Publication date: 2021-04-02
Anticipated expiration: 2030-09-05

Abstract

The utility model discloses a flexible low-voltage fireproof cable, which comprises an inner core, wherein a fireproof filling layer is arranged on the outer side of the inner core, a heat dissipation layer is arranged in the center of the fireproof filling layer, the heat dissipation layer comprises an aluminum strip, a coating layer is arranged on the outer side of the aluminum strip, a silicone rubber layer is arranged on the outer side of the filling layer, a nylon fiber rope is arranged inside the silicone rubber layer, a shielding layer is arranged on the outer side of the silicone rubber layer, a PVC sheathing layer is arranged on the outer side of the shielding layer, the utility model discloses a flexible low-voltage fireproof cable with an inner core, a fireproof filling layer is arranged on the outer side of the inner core, a ceramic fiber material is used as a filler, the cable is provided with a multi-layer body, a silicone rubber layer is arranged on the outer side of the fireproof filling layer, a nylon fiber rope is arranged inside the silicone rubber layer, the nylon fiber rope can, the outside of waterproof layer is equipped with fire prevention insulating layer, and multilayer body can play the fire prevention effect.

Description

Flexible low-voltage fireproof cable

Technical Field

The utility model relates to the technical field of cables, specifically be a flexible low pressure fireproof cable.

Background

Fire resisting cable among the prior art, only one deck fire prevention layer body, fire-resistant degree is unsatisfactory, and the inside insulating effect of sinle silk is relatively poor moreover, and easy short circuit arouses inside to catch fire, only adds this aspect of refractory material outside insulating sinle silk, and it is not obvious to obtain the fire prevention result among the prior art, hardly passes through the fire resistance test of the high requirement in the test standard, because there is not refractory material inside the sinle silk. To this end, we propose a flexible low-voltage fireproof cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible low pressure fireproof cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flexible low pressure fireproof cable, includes the inner core, the outside of inner core is equipped with the fire prevention filling layer, the central authorities of fire prevention filling layer are equipped with the heat dissipation layer, the heat dissipation layer includes the aluminium strip, the outside of aluminium strip is equipped with the coating, the outside of fire prevention filling layer is equipped with the silastic-layer, the inside on silastic-layer is equipped with the nylon fiber rope, the outside on silastic-layer is equipped with the shielding layer, the outside of shielding layer is equipped with the PVC restrictive coating, the inner core includes the aluminium core, the outside of aluminium core is equipped with the waterproof layer, the outside of waterproof layer is equipped with the fire prevention insulating.

The purpose of this setting is that this flexible low pressure fireproof cable has the inner core, the outside of inner core is equipped with the fire prevention filling layer, the fire prevention filling layer filler is ceramic fiber material, this cable has multilayer layer body, the outside of fire prevention filling layer is equipped with the silastic-layer, the inside on silastic-layer is equipped with the nylon fiber rope, the nylon fiber rope can play the effect of tensile resistance, the outside on silastic-layer is equipped with the shielding layer, the outside of shielding layer is equipped with the PVC restrictive coating, the inner core includes the aluminium core, the outside of aluminium core is equipped with the waterproof layer, the outside of waterproof layer is equipped with the fire prevention insulating layer, multilayer layer body can play the fire prevention.

Preferably, the fireproof insulating layer is a halogen-free low-smoke high-flame-retardant polyolefin layer body.

Preferably, the coating layer is a halogen-free environment-friendly flame-retardant TPE layer body.

Preferably, the shielding layer is an aluminum-plastic composite shielding layer.

Preferably, the thickness of the silicone rubber layer is 3 mm.

Preferably, the silicone rubber layer is bonded with the fireproof filling layer through waterproof glue.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses have the inner core, the outside of inner core is equipped with the fire prevention filling layer, the fire prevention filling layer filler is ceramic fiber material, this cable has the multilayer body, the outside of fire prevention filling layer is equipped with the silastic-layer, the inside on silastic-layer is equipped with nylon fiber rope, nylon fiber rope can play the effect of stretch-proofing, the outside on silastic-layer is equipped with the shielding layer, the outside of shielding layer is equipped with the PVC restrictive coating, the outside of waterproof layer is equipped with the fire prevention insulating layer, the multilayer body can play the fire prevention effect, inlayer and outside homoenergetic fire prevention.

The central authorities of fire prevention filling layer are equipped with the heat dissipation layer, and the heat dissipation layer includes the aluminium strip, and the outside of aluminium strip is equipped with the coating, and the aluminium strip has good homothermal property, and the inner core includes the aluminium core, and the outside of aluminium core is equipped with the waterproof layer, can play the inside effect of starting a fire of preventing.

Drawings

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

FIG. 2 is a schematic view of the structure of the heat dissipation layer of the present invention;

fig. 3 is a schematic view of the inner core structure of the present invention.

In the figure: 1. a fire-resistant filler layer; 2. a heat dissipation layer; 21. a coating layer; 22. aluminum strips; 3. an inner core; 31. a fire-resistant insulating layer; 32. a waterproof layer; 33. an aluminum core; 4. a PVC jacket layer; 5. a nylon fiber rope; 6. a shielding layer; 7. a silicone rubber layer.

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, the present invention provides a technical solution: the utility model provides a flexible low pressure fireproof cable, includes inner core 3, the outside of inner core 3 is equipped with fire prevention filling layer 1, and the fire prevention filling layer filler is ceramic fiber material, the central authorities of fire prevention filling layer 1 are equipped with heat dissipation layer 2, heat dissipation layer 2 includes aluminium strip 22, the outside of aluminium strip 22 is equipped with coating 21, the outside of fire prevention filling layer 1 is equipped with silastic-layer 7, the inside of silastic-layer 7 is equipped with nylon fiber rope 5, the outside of silastic-layer 7 is equipped with shielding layer 6, shielding layer 6's the outside is equipped with PVC restrictive coating 4, inner core 3 includes aluminium core 33, the outside of aluminium core 33 is equipped with waterproof layer 32, the outside of waterproof layer 32 is equipped with fireproof insulation layer 31.

Specifically, the fireproof insulating layer 31 is a halogen-free low-smoke high-flame-retardant polyolefin layer.

Specifically, the coating layer 21 is a halogen-free environment-friendly flame-retardant TPE layer body.

Specifically, the shielding layer 6 is an aluminum-plastic composite shielding layer.

Specifically, the thickness of the silicone rubber layer 7 is 3 mm.

Specifically, the silicone rubber layer 7 is bonded with the fireproof filling layer 1 through waterproof glue.

Specifically, during the use, this flexible low pressure fireproof cable has inner core 3, the outside of inner core 3 is equipped with fire

prevention filling layer

1, 1 filler of fire prevention filling layer is ceramic fiber material, this cable has multilayer layer body, the outside of fire prevention filling layer 1 is equipped with silastic-layer 7, the inside of silastic-layer 7 is equipped with nylon fiber rope 5, nylon fiber rope 5 can play the effect of stretch-proofing, the outside of silastic-layer 7 is equipped with shielding layer 6, shielding layer 6's the outside is equipped with PVC restrictive coating 4, inner core 3 includes aluminium core 33, aluminium core 33's the outside is equipped with waterproof layer 32, waterproof layer 32's the outside is equipped with fire prevention insulating layer 31, multilayer layer body can play the fire prevention effect, inlayer and outside homoenergetic are prevented fires.

The central authorities of fire prevention filling layer 1 are equipped with heat dissipation layer 2, and heat dissipation layer 2 includes aluminium strip 22, and the outside of aluminium strip 22 is equipped with coating 21, and aluminium strip 22 has good homogeneous thermal behavior, can prevent inside overheated fire.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A flexible low-voltage fireproof cable comprises an inner core (3), and is characterized in that: the outside of inner core (3) is equipped with fire prevention filling layer (1), the central authorities of fire prevention filling layer (1) are equipped with heat dissipation layer (2), heat dissipation layer (2) are including aluminium strip (22), the outside of aluminium strip (22) is equipped with coating (21), the outside of fire prevention filling layer (1) is equipped with silastic-layer (7), the inside of silastic-layer (7) is equipped with nylon fiber rope (5), the outside of silastic-layer (7) is equipped with shielding layer (6), the outside of shielding layer (6) is equipped with PVC restrictive coating (4), inner core (3) are including aluminium core (33), the outside of aluminium core (33) is equipped with waterproof layer (32), the outside of waterproof layer (32) is equipped with fire prevention insulating layer (31).

2. A flexible low-voltage fire-resistant cable according to claim 1, characterized in that: the fireproof insulating layer (31) is a halogen-free low-smoke high-flame-retardant polyolefin layer body.

3. A flexible low-voltage fire-resistant cable according to claim 1, characterized in that: the coating layer (21) is a halogen-free environment-friendly flame-retardant TPE layer body.

4. A flexible low-voltage fire-resistant cable according to claim 1, characterized in that: the shielding layer (6) is an aluminum-plastic composite shielding layer.

5. A flexible low-voltage fire-resistant cable according to claim 1, characterized in that: the thickness of the silicon rubber layer (7) is 3 mm.

6. A flexible low-voltage fire-resistant cable according to claim 1, characterized in that: the silicone rubber layer (7) is bonded with the fireproof filling layer (1) through waterproof glue.