CN211929085U

CN211929085U - Irradiation type low smoke zero halogen fireproof cable

Info

Publication number: CN211929085U
Application number: CN202020238901.5U
Authority: CN
Inventors: 李静海; 吴素贤
Original assignee: Shenyang Shentong Wire And Cable Factory
Current assignee: Shenyang Shentong Wire And Cable Factory
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-11-13
Anticipated expiration: 2030-03-02

Abstract

The utility model provides an irradiation type low smoke and zero halogen fireproof cable, relating to the technical field of fireproof cables, and the irradiation type low smoke and zero halogen fireproof cable comprises a conductor wire core, a fireproof isolation layer, an insulation layer, a halogen-free inner liner layer and an armor layer; also includes a radiation care; the conductor wire cores comprise a plurality of conductor wire cores which are arranged in parallel at intervals, each conductor wire core is respectively wrapped by a fire-resistant isolation layer, an insulation layer and a halogen-free inner lining layer, the halogen-free inner lining layer 4 comprises a halogen-free wrapping tape and a low-smoke halogen-free poly-rare-hydrogen sheath, and the armor layer is wrapped outside a bundle formed by the conductor wire cores; the irradiation material is filled between the halogen-free lining layers of the conductor wire cores and between the halogen-free lining layers and the armor layer. The novel irradiation type low-smoke halogen-free fireproof cable is long in service life, does not release corrosive gas and toxic gas during combustion, does not produce secondary harm, and is suitable for being used in environments with dense population and poor ventilation.

Description

Irradiation type low smoke zero halogen fireproof cable

Technical Field

The utility model relates to a fireproof cable technical field provides a fireproof cable of irradiation type very much.

Background

The wire and cable for fixing and wiring in various building projects such as industrial factory buildings, businesses, office buildings and the like are applied in large quantity, and the public places are densely populated, so that higher requirements are put forward on the cable, and the requirements of the cable meet the national standard GB5023 and the mechanical industry standard JB 8734. However, the insulation layer of the existing cable generally adopts a conventional treatment means, does not pass through a radiation crosslinking process flow, is not stable enough in temperature resistance and various chemical agent resistance, and is easy to ignite in fire, and most of the insulation layers of the existing cable adopt a halogen-containing compound as an insulation material, so that a large amount of smoke and harmful hydrogen halide gas are generated in combustion to form a 'secondary disaster', and the safety of people and equipment is harmed.

SUMMERY OF THE UTILITY MODEL

Contain the halogen-free, the insulating layer is not enough for not handling through irradiation cross-linking technology to present cable insulation layer, the utility model provides a low smoke and zero halogen fireproof cable of irradiation type to security and the feature of environmental protection that provide the cable.

In order to achieve the purpose, the technical scheme of the utility model is that the irradiation type low-smoke halogen-free fireproof cable comprises a conductor wire core, a fireproof isolation layer, an insulating layer, a halogen-free inner liner layer and an armor layer; also includes a radiation care; the conductor wire cores comprise a plurality of conductor wire cores which are arranged in parallel at intervals, each conductor wire core is respectively wrapped by a fire-resistant isolation layer, an insulation layer and a halogen-free lining layer, and the armor layer is wrapped outside a cluster formed by the plurality of conductor wire cores; the irradiation material is filled between the halogen-free lining layers of the conductor wire cores and between the halogen-free lining layers and the armor layer.

Optionally, the radiation is a radiation crosslinked polyolefin.

Optionally, the fire-resistant isolation layer is a fire-resistant mica tape, and the fire-resistant mica tape is wrapped outside the conductor wire core in a multi-layer overlapping mode.

Optionally, the halogen-free inside liner layer includes a halogen-free wrapping tape and a low-smoke halogen-free polyethylene hydrogen sheath.

Optionally, the conductor core is a bundle of a plurality of fine metal wires, and the metal wires are made of copper, aluminum or alloy materials.

Optionally, the cable has an oblong cross section, the conductor cores include a plurality of unidirectional conductor cores arranged side by side, and the irradiation material is filled between the halogen-free inner liners outside the conductor cores and between the halogen-free inner liners and the armor layer.

Optionally, the cross section of the cable is circular, the conductor cores comprise a plurality of conductors arranged in an annular array, and each conductor core is circular or triangular and respectively surrounds the fire-resistant isolation layer and the insulation layer.

The utility model has the advantages that: the low-smoke halogen-free cable generates a little smoke when burning, and the released gas does not contain halogen elements and is nonhazardous, so that the low-smoke halogen-free cable is widely applied to markets, writing rooms, schools, hospitals, airplanes, train carriages or in the environments with dense mouths and poor ventilation such as ships and the like. When a fire occurs, the damage to instruments, equipment and human bodies can be greatly reduced. The novel irradiation type low-smoke halogen-free fireproof cable is long in service life, does not release corrosive gas and toxic gas during combustion, does not produce secondary harm, and is a novel environment-friendly product.

Drawings

FIG. 1: the utility model provides a cross-sectional schematic diagram of a low smoke and zero halogen fireproof cable's of irradiation type first embodiment.

FIG. 2: the utility model provides a cross-sectional schematic diagram of the second kind of embodiment of low smoke and zero halogen fireproof cable of irradiation type.

In the figure, 1-conductor wire core, 2-fire-resistant isolation layer, 3-insulating layer, 4-halogen-free inner lining layer, 5-irradiation material and 6-armor 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.

As shown in fig. 1 and fig. 2, the irradiation type low smoke zero halogen fireproof cable provided by the present invention comprises a conductor core 1, a fire-resistant isolation layer 2, an insulation layer 3, a halogen-free inner liner layer 4, and an armor layer 6; the conductor wire cores 1 comprise a plurality of conductor wire cores which are arranged in parallel at intervals, the conductor wire cores 1 are formed by bundling a plurality of fine metal wires, the metal wires are made of copper, aluminum or alloy materials, each conductor wire core 1 is circular and respectively wraps a fire-resistant isolation layer 2, an insulation layer 3 and a halogen-free inner lining layer 4, and an armor layer 6 wraps the bundling formed by the plurality of conductor wire cores 1; the fire-resistant isolation layer 2 is fire-resistant mica tape, and fire-resistant mica tape is that the multilayer overlaps wraps outside conductor sinle silk 1, and irradiation material 5 is irradiation crosslinked polyolefin, irradiation material 5 is filled between the halogen-free inner liner 4 of each conductor sinle silk and between halogen-free inner liner 4 and the armor.

FIG. 1: the utility model provides a cross-sectional schematic diagram of a low smoke and zero halogen fireproof cable's of irradiation type first embodiment. The cable is characterized in that the cross section of the cable is in an oblong shape, the conductor wire cores 1 comprise a plurality of conductor wire cores which are arranged side by side in a single direction, and the irradiation material 5 is filled between the halogen-free inner liners 4 outside the conductor wire cores and between the halogen-free inner liners 4 and the armor layers 6.

FIG. 2: the utility model provides a cross-sectional schematic diagram of the second kind of embodiment of low smoke and zero halogen fireproof cable of irradiation type. The cross-section of cable is circular, and the conductor sinle silk includes many that the annular array arranged, and each conductor sinle silk is circular or triangle-shaped and wraps up fire-resistant isolation layer, insulating layer respectively, and the irradiation material 5 is between the outer halogen-free inside liner 4 of each conductor sinle silk and between halogen-free inside liner 4 and armor 6.

The utility model discloses a theory of operation: irradiation type's low smoke and zero halogen cable structure includes conductor sinle silk 1, fire-resistant isolation layer 2, insulating layer 3, there is not steamed inner liner 4, armor 6, and irradiation material 5 has been increased between there is not steamed inner liner 4 and armor 6, the life of cable has been prolonged, there is not steamed flame retardant insulation layer has good fire behaviour, low smoke, there is no halogen, it is fire-retardant and have high elongation at break, and processing is convenient, chemical stability is good, there is not steamed sour gas to release during the burning, the smoke generation volume is low, can not produce smog and have the hydrogen halide gas that the corrosivity of "secondary disaster" is very strong, high safety, the feature of environmental protection is good, be suitable for various public occasions to use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An irradiation type low-smoke halogen-free fireproof cable comprises a conductor wire core (1), a fireproof isolation layer (2), an insulation layer (3), a halogen-free inner lining layer (4) and an armor layer (6); the method is characterized in that:

also comprises a radiation (5);

the cable comprises a plurality of conductor wire cores (1), wherein the conductor wire cores (1) are arranged in parallel at intervals, each conductor wire core (1) is circular and is respectively wrapped by a fire-resistant isolation layer (2), an insulation layer (3) and a halogen-free inner lining layer (4), and an armor layer (6) is wrapped outside a cluster formed by the plurality of conductor wire cores (1);

the irradiation materials (5) are filled between the halogen-free lining layers (4) of the conductor wire cores and between the halogen-free lining layers (4) and the armor layers.

2. The irradiation type low smoke zero halogen fireproof cable of claim 1, characterized in that: the irradiation material (5) is irradiation cross-linked polyolefin.

3. The irradiation type low smoke zero halogen fireproof cable of claim 1, characterized in that: the fire-resistant isolation layer (2) is a fire-resistant mica tape which is wrapped outside the conductor wire core (1) in a multi-layer overlapping mode.

4. The irradiation type low smoke zero halogen fireproof cable of claim 1, characterized in that: the halogen-free inner liner layer (4) comprises a halogen-free wrapping tape and a low-smoke halogen-free poly-rare-hydrogen sheath.

5. The irradiation type low smoke zero halogen fireproof cable of claim 1, characterized in that: the conductor wire core (1) is a plurality of fine metal wire bunches, and the metal wires are made of copper, aluminum or alloy materials.

6. The irradiation type low smoke zero halogen fireproof cable of claim 1, characterized in that: the cable is characterized in that the cross section of the cable is in an oblong shape, the conductor wire cores (1) comprise a plurality of unidirectional side-by-side arrangement, and the irradiation material (5) is filled between the halogen-free inner liners (4) outside the conductor wire cores and between the halogen-free inner liners (4) and the armor layers (6).

7. The irradiation type low smoke zero halogen fireproof cable of claim 1, characterized in that: the cross-section of the cable is circular, the conductor wire cores comprise a plurality of conductors which are arranged in an annular array, each conductor wire core is circular or triangular and respectively wraps the fire-resistant isolation layer and the insulating layer, and the irradiation materials (5) are arranged between the halogen-free inner liners (4) outside the conductor wire cores and between the halogen-free inner liners (4) and the armor layers (6).