CN217113922U

CN217113922U - Environment-friendly wire and cable for building

Info

Publication number: CN217113922U
Application number: CN202123390233.1U
Authority: CN
Inventors: 章志飞
Original assignee: Jiangsu Chenlin Cable Co ltd
Current assignee: Jiangsu Chenlin Cable Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-02
Anticipated expiration: 2031-12-31

Abstract

The utility model belongs to the technical field of wire and cable, especially, be an environment-friendly wire and cable for building, including three sinle silks, the sinle silk is including being used for electrically conductive conductor, the outside of conductor is equipped with the flame retardant coating, the outside of flame retardant coating is equipped with the inner insulating layer, the outside of inner insulating layer is equipped with outer insulating layer, three be equipped with between the sinle silk and strengthen the core, three the sinle silk constitutes the cable core around strengthening the core cooperation. The utility model discloses a there is not steamed fire-retardant filler around packing between covering and three sinle silks for dense cigarette can not appear when the cable burns, through the flame retardant coating who sets up to synthetic mica tape, make the cable can bear higher temperature and incombustible, make through the thermal-insulated fire-retardant layer that sets up ceramic silicon rubber, can not melt and drip when the conflagration appears, can play the constraint effect to cable inside material, avoid cable material to melt back residue adhesion and be difficult to the clearance on the building.

Description

Environment-friendly wire and cable for building

Technical Field

The utility model relates to a wire and cable technical field specifically is an environment-friendly electric wire and cable for building.

Background

The lines are generally required to be arranged inside a building, so that various types of electric wires and cables are required to be used, the common problem that the electric wires and cables are poor in environment-friendly characteristic is solved, when a fire disaster occurs, a large amount of dense smoke is generated by an insulating layer of the electric wires and cables and halogen-containing materials in a protective sleeve, adverse effects are caused to emergency rescue, and meanwhile residues generated after the cables are burnt are easily adhered to a cable channel and are difficult to clean, so that the electric wires and cables for the environment-friendly building are provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an environment-friendly wire and cable for building has solved the problem mentioned in the above-mentioned background art.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides an environment-friendly wire and cable for building, includes three sinle silks, the sinle silk is including being used for electrically conductive conductor, the outside of conductor is equipped with the flame retardant coating, the outside of flame retardant coating is equipped with the inner insulating layer, the outside of inner insulating layer is equipped with the outer insulating layer, three be equipped with between the sinle silk and strengthen the core, three the sinle silk constitutes the cable core around strengthening the core cooperation, and the cable core outside is equipped with around the covering, the sinle silk with around packing have the fire-retardant filler of steamed nothing between the covering, outside from inside to outside around the covering is equipped with tensile anti-compression layer, thermal-insulated fire-retardant layer and oversheath in proper order.

Furthermore, the fire-resistant layer is made of a synthetic mica tape, the inner insulating layer is made of an environment-friendly cross-linked polyethylene material, and the outer insulating layer is made of an irradiation cross-linked polyolefin material.

Further, the wrapping layer is formed by wrapping the environment-friendly water-blocking tape, and the wrapping covering rate is not lower than 50%.

Furthermore, the tensile and compressive layer is a tinned copper mesh woven layer.

Furthermore, the material of the heat-insulating flame-retardant layer is ceramic silicon rubber.

Furthermore, the inner insulating layer is extruded on the fire-resistant layer in the anticlockwise direction, and the outer insulating layer is extruded on the inner insulating layer in the clockwise direction.

(III) advantageous effects

Compared with the prior art, the utility model provides an environment-friendly electric wire and cable for building possesses following beneficial effect:

the utility model discloses, there is not steamed fire-retardant filler through filling around between covering and three sinle silks, dense cigarette can not appear when making the cable burning, through the flame retardant coating who sets up to synthetic mica tape, make the cable can bear higher temperature and incombustible, make through the thermal-insulated fire-retardant layer that sets up ceramic silicon rubber, can not melt and drip when the conflagration appears, can play the constraint effect to cable inside material, avoid cable material to melt the back residue adhesion and be difficult to the clearance on the building.

Drawings

Fig. 1 is a sectional view of the cross-sectional structure of the present invention.

In the figure: 1. a wire core; 101. a conductor; 102. a refractory layer; 103. an inner insulating layer; 104. an outer insulating layer; 2. wrapping a covering; 3. a halogen-free flame retardant filler; 4. a tensile and compressive layer; 5. a heat insulating flame retardant layer; 6. an outer sheath; 7. and (6) reinforcing the core.

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.

Examples

As shown in fig. 1, an embodiment of the present invention provides an environment-friendly electric wire and cable for buildings, including three wire cores 1, the wire cores 1 include a conductor 101 for conducting electricity, a fire-resistant layer 102 is disposed on the outer side of the conductor 101, an inner insulating layer 103 is disposed on the outer side of the fire-resistant layer 102, an outer insulating layer 104 is disposed on the outer side of the inner insulating layer 103, a reinforcing core 7 is disposed between the three wire cores 1, the three wire cores 1 surround the reinforcing core 7 to form a cable core, a wrapping layer 2 is disposed on the outer side of the cable core, a halogen-free flame-retardant filler 3 is filled between the wire cores 1 and the wrapping layer 2, a tensile and compressive layer 4, a thermal insulation and flame-retardant layer 5 and an outer insulating layer 6 are sequentially disposed on the outer side of the wrapping layer 2 from inside to outside, the wire cores 1 of the cable are formed by the conductor 101, the fire-resistant layer 102, the inner insulating layer 103 and the outer insulating layer 104, so that the cable has good insulation and heat resistance, the time for maintaining the function of the outer sheath 1 in a fire field can be prolonged by filling the halogen-free flame-retardant filler 3, also prevent going on of air admission suppression burning between sinle silk 1 simultaneously, through twining around covering 2 to sinle silk 1 and the winding of steamed fire-retardant filler 3 of nothing for sinle silk 1 is more closely knit, and difficult appearance warp between three sinle silks 1, through setting up tensile compressive layer 4, can promote the tensile and the compressive property of cable, through the setting of thermal-insulated fire-retardant layer 5, can promote the heat-resisting and fire behaviour of cable.

As shown in fig. 1, in some embodiments, the material of the fire-resistant layer 102 is a synthetic mica tape, the material of the inner insulating layer 103 is an environment-friendly cross-linked polyethylene material, the material of the outer insulating layer 104 is a radiation cross-linked polyolefin material, the synthetic mica tape is a high-performance mica insulating product, and has excellent high-temperature resistance and combustion resistance, the electrical performance and mechanical performance of the cable are ensured by using the environment-friendly cross-linked polyethylene insulating material with excellent electrical performance for the inner insulating layer 103, and the aging resistance of the cable is ensured by using the aging-resistant low-smoke halogen-free flame-retardant radiation cross-linked polyolefin insulating material for the outer insulating layer 104, so that the service life of the cable is prolonged.

As shown in fig. 1, in some embodiments, the wrapping layer 2 is formed by wrapping an environment-friendly water-blocking tape, the wrapping coverage rate is not lower than 50%, and the wrapping layer 2 is formed by wrapping the environment-friendly water-blocking tape with the wrapping coverage rate not lower than 50%, so that the waterproof performance is good, and moisture and water are not easy to permeate into the interior of the wrapping layer 2.

As shown in fig. 1, in some embodiments, the tensile and compressive layer 4 is a tinned copper mesh braid layer, and the tensile and compressive layer 4 passing through the tinned copper mesh braid layer can also serve as a metal shield while having tensile and compressive properties.

As shown in fig. 1, in some embodiments, the heat-insulating flame-retardant layer 5 is made of ceramic silicone rubber, which has excellent characteristics of fire prevention, flame retardation, low smoke, no toxicity, and the like, and the extrusion molding process is simple, and the residue after combustion is a hard ceramic shell, which is not melted and does not drip in a fire environment, and is suitable for any place requiring fire prevention, and plays a role in firm protection in ensuring smooth power transmission under a fire condition, and meanwhile, when the site is cleaned after a fire, the cable can still maintain a relatively complete whole due to the protection of the ceramic silicone rubber, so as to be convenient for cleaning the cable.

In some embodiments, the inner insulating layer 103 is extruded on the fire-resistant layer 102 in a counterclockwise direction, and the outer insulating layer 104 is extruded on the inner insulating layer 103 in a clockwise direction, so that the inner insulating layer 103 can be extruded through the outer insulating layer 104, and is not easy to loosen during transportation and wire laying.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an environment-friendly wire and cable for building, includes three sinle silks (1), its characterized in that: sinle silk (1) is including being used for electrically conductive conductor (101), the outside of conductor (101) is equipped with flame retardant coating (102), the outside of flame retardant coating (102) is equipped with insulating inner layer (103), the outside of insulating inner layer (103) is equipped with insulating outer layer (104), three be equipped with between sinle silk (1) and strengthen core (7), three sinle silk (1) constitutes the cable core around strengthening core (7) cooperation, and the cable core outside is equipped with around covering (2), sinle silk (1) and around packing have halogen-free fire-retardant filler (3) between covering (2), outside from interior to exterior of covering (2) is equipped with tensile anti-compression layer (4), thermal-insulated fire-retardant layer (5) and oversheath (6) in proper order.

2. The environment-friendly electric wire and cable for building of claim 1, wherein: the fireproof layer (102) is made of a synthetic mica tape, the inner insulating layer (103) is made of an environment-friendly cross-linked polyethylene material, and the outer insulating layer (104) is made of a radiation cross-linked polyolefin material.

3. The environment-friendly electric wire and cable for building of claim 1, wherein: the wrapping layer (2) is formed by wrapping an environment-friendly water-blocking tape, and the wrapping and covering rate is not lower than 50%.

4. The environment-friendly electric wire and cable for buildings as claimed in claim 1, wherein: the tensile and anti-pressure layer (4) is a tinned copper mesh woven layer.

5. The environment-friendly electric wire and cable for building of claim 1, wherein: the heat-insulating flame-retardant layer (5) is made of ceramic silicon rubber.