CN213339805U

CN213339805U - Low-smoke halogen-free flame-retardant cable

Info

Publication number: CN213339805U
Application number: CN202022597799.0U
Authority: CN
Inventors: 高素杰
Original assignee: Chongqing Wanxing Wire And Cable Factory
Current assignee: Chongqing Wanxing Wire And Cable Factory
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-06-01
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a low smoke and zero halogen flame retardant cable, including a plurality of outer conductors and a plurality of interior wire, it is a plurality of be provided with the insulating layer between outer conductor and a plurality of interior wire, it is a plurality of be provided with outer filling layer between the outer conductor, it is a plurality of be provided with inner filling layer, it is a plurality of in the outside week side of outer conductor is provided with interior flame retardant coating, the outside week side of interior flame retardant coating is provided with outer flame retardant coating, outer flame retardant coating is woven by fiber material and is formed. The fiber material of the outer flame-retardant layer is Nomex. The inner flame-retardant layer is made of silicon rubber. Through setting up the outer flame retardant coating that nomex fibre made, can effectually prevent the burning on fire of cable, because wherein do not have the halide, can be fine avoid producing strong smog when on fire, assurance cable security that can be fine. Through setting up the interior flame retardant coating that the silicon rubber was made, silicon rubber self has good heat resistance, and tasteless nontoxic, cooperates outer flame retardant coating reinforcing holistic flame retardant property.

Description

Low-smoke halogen-free flame-retardant cable

Technical Field

The utility model relates to a cable field especially relates to a fire-retardant cable of low smoke and zero halogen.

Background

Cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting power and other multiple functions, and is a common and indispensable object in daily life. Installation requires special care since the cable is live.

The outside of the existing cable is mostly made of halogen-containing plastic, so that the cable has certain flame retardant performance, but during combustion, the halogen-containing plastic can release a large amount of irritant gas, smoke is large, when the cable catches fire, people are difficult to approach the cable to extinguish the fire, and loss is easily enlarged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a low-smoke halogen-free flame-retardant cable.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a fire-retardant cable of low smoke and zero halogen, includes a plurality of outer conductors and a plurality of inner conductor, and is a plurality of be provided with the insulating layer between outer conductor and a plurality of inner conductor, it is a plurality of be provided with outer filling layer between the outer conductor, it is a plurality of be provided with interior filling layer between the inner conductor, it is a plurality of outer conductor's outside week side is provided with interior fire-retardant layer, interior fire-retardant layer's outside week side is provided with outer fire-retardant layer, outer fire-retardant layer is woven by fiber material and is formed.

As a further description of the above technical solution:

the fiber material of the outer flame-retardant layer is Nomex.

As a further description of the above technical solution:

the inner flame-retardant layer is made of silicon rubber.

As a further description of the above technical solution:

the outer filling layer and the inner filling layer are both made of antistatic foam.

As a further description of the above technical solution:

the insulating layer is made of insulating rubber.

As a further description of the above technical solution:

the outer lead and the inner lead are made of copper.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up the outer flame retardant coating that nomex fibre made, can effectually prevent the burning on fire of cable, because wherein do not have halide, avoid that can be fine produces intense smog when on fire, assurance cable security that can be fine.

2. The utility model discloses a set up the interior fire-retardant layer that silicon rubber made, silicon rubber self has good heat resistance, and tasteless nontoxic, and the holistic fire behaviour of fire-retardant layer reinforcing outside the cooperation.

3. The utility model discloses a set up inside and outside wire layer to cut apart through the bubble cotton, the wire rod can the exclusive action and collective effect, increases the compatibility of cable.

Drawings

Fig. 1 is a cross-sectional view of a low smoke halogen-free flame retardant cable provided by the present invention;

fig. 2 is a schematic diagram of a side view of a low smoke zero halogen flame retardant cable provided by the utility model.

Illustration of the drawings:

1. an outer flame retardant layer; 2. an inner flame retardant layer; 3. an outer filling layer; 4. an outer lead; 5. an insulating layer; 6. an inner lead; 7. and (4) an inner filling 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides an embodiment: a low smoke zero halogen flame retardant cable comprises a plurality of outer leads 4 and a plurality of inner leads 6, wherein the inner leads 6 and the outer leads 4 are arranged, and are divided by a foam filling layer, wires can act independently and collectively to increase the compatibility of the cable, an insulating layer 5 is arranged between the outer leads 4 and the inner leads 6 and is used for separating the inner leads 6 from the outer leads 4 to avoid mutual contact and generate discharge, an outer filling layer 3 is arranged between the outer leads 4, an inner filling layer 7 is arranged between the inner leads 6, an inner flame retardant layer 2 is arranged on the outer periphery of the outer leads 4, an inner flame retardant layer 2 made of silicon rubber is arranged on the inner periphery of the inner flame retardant layer 2, the silicon rubber has good heat resistance and is tasteless and nontoxic, the integral flame retardant performance is enhanced by matching with the outer flame retardant layer 1, an outer flame retardant layer 1 is arranged on the outer periphery of the inner flame retardant layer 2, and the outer flame retardant layer 1 made of Nomex fiber is arranged, can effectually prevent that the cable from firing the burning, because wherein do not have halide, can be fine avoid producing strong smog when firing, assurance cable security that can be fine, outer flame retardant layer 1 is woven by fiber material and is formed, strengthens the bulk strength of cable.

The fiber material of the outer flame-retardant layer 1 is Nomex, and the material does not contain halide, so that strong smoke can be well avoided from being generated during fire, and the safety of the cable can be well ensured. The inner flame-retardant layer 2 is made of silicon rubber, the silicon rubber has good heat resistance, is tasteless and nontoxic, and is matched with the outer flame-retardant layer 1 to enhance the overall flame-retardant performance. The outer filling layer 3 and the inner filling layer 7 are made of anti-static foam, so that the influence on transmission efficiency caused by static electricity generated by the cable is avoided. The insulating layer 5 is made of insulating rubber, so that the flexibility of the whole cable is ensured. The outer lead 4 and the inner lead 6 are made of copper, are soft and have good power transmission performance.

The working principle is as follows: through setting up outer flame retardant coating 1 that nomex fibre made, can effectually prevent the burning on fire of cable, because wherein do not have halide, can be fine avoid producing strong smog when on fire, assurance cable security that can be fine. Through setting up the interior fire-retardant layer 2 that the silicon rubber was made, silicon rubber self has good heat resistance, and tasteless nontoxic, cooperates outer fire-retardant layer 1 to strengthen holistic fire behaviour. Through setting up inner conductor 6 and outer conductor 4 to cut apart through the cotton filling layer of bubble, the wire rod can the exclusive action with collective effect, increase the compatibility of cable.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A low smoke zero halogen flame retardant cable, includes a plurality of outer conductor (4) and a plurality of inner conductor (6), its characterized in that: it is a plurality of be provided with insulating layer (5), a plurality of between outer wire (4) and a plurality of inner wire (6) be provided with outer filling layer (3), a plurality of be provided with between outer wire (4) inner filling layer (7), a plurality of the outside week side of outer wire (4) is provided with interior flame retardant coating (2), the outside week side of interior flame retardant coating (2) is provided with outer flame retardant coating (1), outer flame retardant coating (1) is woven by fiber material and is formed.

2. A low smoke, zero halogen and flame retardant cable according to claim 1, characterized in that: the fiber material of the outer flame-retardant layer (1) is Nomex.

3. A low smoke, zero halogen and flame retardant cable according to claim 1, characterized in that: the inner flame-retardant layer (2) is made of silicon rubber.

4. A low smoke, zero halogen and flame retardant cable according to claim 1, characterized in that: the outer filling layer (3) and the inner filling layer (7) are both made of antistatic foam.

5. A low smoke, zero halogen and flame retardant cable according to claim 1, characterized in that: the insulating layer (5) is made of insulating rubber.

6. A low smoke, zero halogen and flame retardant cable according to claim 1, characterized in that: the outer lead (4) and the inner lead (6) are made of copper.