CN208298602U - A kind of construction of cable of high flame retardant - Google Patents

Abstract

The utility model discloses a kind of construction of cable of high flame retardant, including cable wire body and inner lead body, it is equipped with inner lead body inside the cable body, fire-retardant outside line skin, flame resistant filler layer and insulation inner cladding are equipped with inside the cable body.The utility model inside cable body by being equipped with the fire-retardant outside line skin of thermoplastic low-smoke halogen-free flame-resistant Insulation Material material and the flame resistant filler layer of fire-retardant dense fiber material, external flame retardant effect can effectively be played, heat-insulating and sealing pipe and sodium bicarbonate filled layer by the decomposable PVC material being equipped with, in cable wire body because when conducting wire causes spontaneous heating to cross large-scale combustion, heat-insulating and sealing pipe decomposes the sodium bicarbonate for releasing internal package, sodium bicarbonate chance thermally decomposes to generate sodium carbonate, carbon dioxide and water, play effective flame retardant effect, the effect of reinforcement electric cable wire body is effectively played by the reinforcing filled layer for the polyurethane material being equipped with, it is easy to use, there are good economic benefit and social benefit, it is suitble to promote the use of.

Description

A kind of construction of cable of high flame retardant

Technical field

The utility model relates to a kind of construction of cable, in particular to a kind of construction of cable of high flame retardant belongs to electric power and answers Use technical field.

Background technique

Cable is usually every group by several or the cable of similar rope that several groups of conducting wires (every group at least two) are twisted Mutually insulated between conducting wire, and be often twisted into around a center, entire outside is surrounded by the coating of high-insulation.Cable has Interior energization, the feature of external insulation, cable have power cable, control cable, compensating cable, shielded cable, high-temperature cable, computer Cable, signal cable, coaxial cable, fire-resisting cable, cable for ship, mine cable, aluminium alloy cable etc..They are all by list Stock or stranded conductor and insulating layer composition, for connecting circuit, electric appliance etc., but existing cable-flame retardant effect is poor, fire-retardant Single effect, and cable overall mechanical properties are poor.

Utility model content

The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of cable of high flame retardant Structure, it is easy to use, save a large amount of cost.

In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:

The utility model provides a kind of construction of cable of high flame retardant, including cable wire body and inner lead body, the electricity Inner lead body is equipped with inside cable body, the cable body inside is equipped with packet in fire-retardant outside line skin, flame resistant filler layer and insulation Layer, and flame resistant filler layer is located between fire-retardant outside line skin and insulation inner cladding, is equipped with inside the insulation inner cladding and reinforces filling Layer and inner lead body, and inner lead body is located inside reinforcing filled layer, and conducting wire outside line is equipped with inside the inner lead body Skin and plain conductor core, and plain conductor core is located at the intradermal portion of conducting wire outside line, inner lead body side is equipped with heat-insulating and sealing Pipe and sodium bicarbonate filled layer, and sodium bicarbonate filled layer is located inside heat-insulating and sealing pipe.

As a kind of optimal technical scheme of the utility model, the inner lead body quantity is equipped with several groups, described interior Portion's wire body is fixedly connected with filled layer is reinforced, and the reinforcing filled layer is polyurethane material.

As a kind of optimal technical scheme of the utility model, the flame resistant filler layer respectively with fire-retardant outside line skin and insulation Inner cladding is fixedly connected, and the fire-retardant outside line skin is thermoplastic low-smoke halogen-free flame-resistant Insulation Material material, and the flame resistant filler layer is Fire-retardant dense fiber material.

As a kind of optimal technical scheme of the utility model, the internally positioned wire body centre bit of heat-insulating and sealing pipe It sets, the heat-insulating and sealing pipe is decomposable PVC material.

The utility model beneficial effect achieved is: the utility model is low by being equipped with thermoplasticity inside cable body The fire-retardant outside line skin of cigarette halogen-free flame retardant insulation material material and the flame resistant filler layer of fire-retardant dense fiber material, can effectively play External flame retardant effect prevents external high temperature fire source from wire body being caused to be damaged, by the heat-insulating and sealing pipe for the decomposable PVC material being equipped with With sodium bicarbonate filled layer, in cable wire body because when conducting wire causes spontaneous heating to cross large-scale combustion, the decomposition of heat-insulating and sealing pipe is released interior The sodium bicarbonate of portion's package, sodium bicarbonate chance thermally decompose to generate sodium carbonate, carbon dioxide and water, play effective flame retardant effect, The effect of reinforcement electric cable wire body is effectively played by the reinforcing filled layer for the polyurethane material being equipped with, it is easy to use, have good Good economic benefit and social benefit is suitble to promote the use of.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is the subjective structural schematic diagram of the utility model；

Fig. 2 is the schematic diagram of the section structure of the utility model；

In figure: 1, cable wire body；2, fire-retardant outside line skin；3, flame resistant filler layer；4, insulate inner cladding；5, filled layer is reinforced； 6, inner lead body；7, conducting wire outside line skin；8, plain conductor core；9, heat-insulating and sealing pipe；10, sodium bicarbonate filled layer.

Specific embodiment

It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.

Embodiment: as shown in Figs. 1-2, the utility model provides a kind of construction of cable of high flame retardant, including cable wire body 1 With inner lead body 6, it is equipped with inner lead body 6 inside the cable wire body 1, is equipped with fire-retardant outside line inside the cable wire body 1 Skin 2, flame resistant filler layer 3 and insulation inner cladding 4, and flame resistant filler layer 3 is located between fire-retardant outside line skin 2 and insulation inner cladding 4, institute It states to be equipped with inside insulation inner cladding 4 and reinforces filled layer 5 and inner lead body 6, and inner lead body 6 is located in reinforcing filled layer 5 Portion is equipped with conducting wire outside line skin 7 and plain conductor core 8 inside the inner lead body 6, and plain conductor core 8 is located at conducting wire outside line Inside skin 7,6 side of inner lead body is equipped with heat-insulating and sealing pipe 9 and sodium bicarbonate filled layer 10, and sodium bicarbonate filled layer 10 are located inside heat-insulating and sealing pipe 9.

In order to make the construction of cable of this kind of high flame retardant, easy to use, work efficiency is high, 6 quantity of inner lead body Equipped with several groups, the inner lead body 6 is fixedly connected with filled layer 5 is reinforced, and the reinforcing filled layer 5 is polyurethane material. The flame resistant filler layer 3 is fixedly connected with fire-retardant outside line skin 2 and insulation inner cladding 4 respectively, and the fire-retardant outside line skin 2 is thermoplasticity Low-smoke halogen-free flame-retardant isolating material material, the flame resistant filler layer 3 are fire-retardant dense fiber material.The heat-insulating and sealing pipe 9 is located at 6 center of inner lead body, the heat-insulating and sealing pipe 9 are decomposable PVC material.

When the utility model is used, being equipped with inner lead body 6 inside cable wire body 1, it is equipped with inside cable wire body 1 Fire-retardant outside line skin 2, flame resistant filler layer 3 and insulation inner cladding 4, and flame resistant filler layer 3 is located at fire-retardant outside line skin 2 and insulation inner cladding It between 4, is equipped with inside insulation inner cladding 4 and reinforces filled layer 5 and inner lead body 6, and inner lead body 6 is located at reinforcing filling Inside layer 5, conducting wire outside line skin 7 and plain conductor core 8 are equipped with inside internal wire body 6, and plain conductor core 8 is located at outside conducting wire Inside line skin 7, heat-insulating and sealing pipe 9 and sodium bicarbonate filled layer 10, and sodium bicarbonate filled layer are equipped in internal 6 side of wire body 10 are located inside heat-insulating and sealing pipe 9, by the resistance for being equipped with thermoplastic low-smoke halogen-free flame-resistant Insulation Material material inside cable wire body 1 The flame resistant filler layer 3 for firing outside line skin 2 and fire-retardant dense fiber material, can effectively play external flame retardant effect, prevent outside High temperature fire source causes cable wire body 1 to be damaged, and is filled by the heat-insulating and sealing pipe 9 and sodium bicarbonate for the decomposable PVC material being equipped with Layer 10, in cable wire body 1 because when conducting wire causes spontaneous heating to cross large-scale combustion, heat-insulating and sealing pipe 9 decomposes the carbon for releasing internal package Sour hydrogen sodium, sodium bicarbonate chance thermally decompose to generate sodium carbonate, carbon dioxide and water, play effective flame retardant effect, pass through what is be equipped with The reinforcing filled layer 5 of polyurethane material effectively plays the effect of reinforcement electric cable wire body 1, wraps up flame resistant filler in fire-retardant outside line skin 2 Layer 3 and insulation inner cladding 4 form 1 crust of cable wire body, multiple groups inner lead body 6 is wrapped in, in 1 crust of cable wire body and Filling reinforces filled layer 5 and forms entirety to integral reinforcing between inner lead body 6.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (4)

1. a kind of construction of cable of high flame retardant, including cable wire body (1) and inner lead body (6), the cable wire body (1) is interior Portion is equipped with inner lead body (6), it is characterised in that: fire-retardant outside line skin (2), flame resistant filler are equipped with inside the cable wire body (1) Layer (3) and insulation inner cladding (4), and flame resistant filler layer (3) is located between fire-retardant outside line skin (2) and insulation inner cladding (4), it is described It is equipped with inside insulation inner cladding (4) and reinforces filled layer (5) and inner lead body (6), and inner lead body (6) is located at reinforcing filling Layer (5) is internal, and conducting wire outside line skin (7) and plain conductor core (8), and plain conductor core are equipped with inside the inner lead body (6) (8) it is internal to be located at conducting wire outside line skin (7), inner lead body (6) side is equipped with heat-insulating and sealing pipe (9) and sodium bicarbonate is filled Layer (10), and sodium bicarbonate filled layer (10) is located at heat-insulating and sealing pipe (9) inside.

2. a kind of construction of cable of high flame retardant according to claim 1, which is characterized in that the inner lead body (6) Quantity is equipped with several groups, and the inner lead body (6) is fixedly connected with filled layer (5) are reinforced, and the reinforcing filled layer (5) is poly- Urethane material.

3. a kind of construction of cable of high flame retardant according to claim 1, which is characterized in that the flame resistant filler layer (3) It is fixedly connected respectively with fire-retardant outside line skin (2) and insulation inner cladding (4), the fire-retardant outside line skin (2) is thermoplastic low-smoke halide-free Flame retardant insulation material material, the flame resistant filler layer (3) are fire-retardant dense fiber material.

4. a kind of construction of cable of high flame retardant according to claim 1, which is characterized in that the heat-insulating and sealing pipe (9) Internally positioned wire body (6) center, the heat-insulating and sealing pipe (9) are decomposable PVC material.