CN212303168U

CN212303168U - Cable with flame retardance and high temperature resistance

Info

Publication number: CN212303168U
Application number: CN202020743249.2U
Authority: CN
Inventors: 陈云龙; 陈成庆; 严丙鑫
Original assignee: Guizhou Changtong Line Co ltd
Current assignee: Guizhou Changtong Line Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-01-05
Anticipated expiration: 2030-05-08

Abstract

The utility model discloses a cable with flame-retardant and high-temperature-resistant properties, which belongs to the technical field of cables and comprises wire cores, a compression-resistant strip, a second wrapping layer, radiating holes and attached particles, wherein an insulating layer is wrapped outside the wire cores, the compression-resistant strip is arranged among a plurality of wire cores and winds the plurality of wire cores together, and a central elastic reinforcing strip is arranged on a central axis formed by the plurality of wire cores; the outside of many sinle silks is provided with first parcel layer jointly, is provided with a large amount of attached particles on the fire-resistant filler strip, and the outside on first parcel layer is provided with second parcel layer, and the outside on second parcel layer is provided with fire-retardant layer. The utility model discloses a resistance to compression strip that sets up can increase the compressive capacity of sinle silk, can increase the firm in connection degree between many sinle silks simultaneously to can reduce the frictional force between two sinle silks that link to each other, reduce wearing and tearing, can also make in addition and keep certain clearance between two sinle silks that link to each other, the heat dissipation of the sinle silk of being convenient for more.

Description

Cable with flame retardance and high temperature resistance

Technical Field

The utility model belongs to the technical field of the cable, specifically a possess fire-retardant high temperature resistance cable.

Background

The cable is a device for transmitting electric energy or signals consisting of several or several groups of conducting wires, all the cables are made into cable products by processing conductors and adding insulation, shielding, cabling, protective layers and the like layer by layer on the periphery of the conductors. Wire in the cable conductor all need wrap up through insulating skin and separate, with electric leakage prevention and short circuit, but most of structures of current cable are more single, although wire in the cable conductor all separates through insulating skin, insulating skin is not high temperature resistant, catch fire easily, the core laminating of most parcel insulating skin is in the same place in addition, receive the effect extrusion of external force easily and impaired, lead to insulating skin to break and take place the short circuit, many wire laminating are in the same place simultaneously, influence the heat dissipation, the radiating rate of wire has been slowed down, the life of cable conductor has been reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable that possesses fire-retardant high temperature resistance 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:

a cable with flame retardance and high temperature resistance comprises wire cores, a compression resistant strip, a second wrapping layer, heat dissipation holes and attached particles, wherein an insulating layer wraps the outer sides of the wire cores, the compression resistant strip is arranged among a plurality of wire cores, the compression resistant strip winds the plurality of wire cores together, and a central elastic reinforcing strip is arranged on a central axis formed by the plurality of wire cores; the outside of many sinle silks is provided with first wrapping layer jointly, and first wrapping layer is the insulating layer, is provided with fire-resistant packing between first wrapping layer and the sinle silk, is provided with a large amount of attached particles on the fire-resistant packing, and the outside of first wrapping layer is provided with second wrapping layer, and second wrapping layer is the waterproof layer, and the outside of second wrapping layer is provided with fire-retardant layer, and the equipartition is provided with many fire-retardant strips in the fire-retardant layer, and the outside on fire-retardant layer is provided with the third wrapping layer.

As a further aspect of the present invention: the anti layering material is elastic insulating rubber, and first parcel layer material adopts the glass fiber layer, and fire-resistant packing strip material adopts fire-resistant silica gel.

As a further aspect of the present invention: the material of the attached particles adopts perlite particles, and the material of the second wrapping layer is a polyvinyl chloride waterproof coating.

As a further aspect of the present invention: the third wraps up the layer and is the wearing layer, and the equipartition is provided with a plurality of louvres on the third wraps up the layer, installs the dust screen in the louvre.

As a further aspect of the present invention: the flame-retardant strip is made of polyether-ether-ketone and halogen-free low-smoke flame-retardant materials through mixed filling, and the third wrapping layer is made of glass fiber yarns through warp and weft weaving.

Compared with the prior art, the beneficial effects of the utility model are that: the compression-resistant strip can increase the compression resistance of the wire cores, increase the connection firmness among the wire cores, reduce the friction force between two connected wire cores, reduce the abrasion, and keep a certain gap between the two wire cores connected with each other, thereby facilitating the heat dissipation of the wire cores; the flame-retardant and high-temperature-resistant performance of the cable can be improved by the matched use of the first wrapping layer, the fireproof filling strip, the attached particles, the flame-retardant layer and the flame-retardant strip; the heat dissipation of the wire core can be accelerated through the arranged heat dissipation holes; through the dust screen that sets up, can prevent that the dust from entering into the louvre, block the louvre and influence the heat dissipation.

Drawings

Fig. 1 is a schematic structural diagram of a cable with flame retardant and high temperature resistance.

Fig. 2 is a schematic structural diagram of a core and a compression resistant strip of a cable with flame resistance and high temperature resistance.

Fig. 3 is a schematic structural diagram of a fire-resistant filler strip and attached particles in a cable with fire resistance and high temperature resistance.

In the figure: 1. a wire core; 2. anti-pressing strips; 3. an insulating layer; 4. a central elastic reinforcing strip; 5. a first wrapping layer; 6. a second wrapping layer; 7. a flame retardant layer; 8. a flame retardant strip; 9. a third wrapping layer; 10. heat dissipation holes; 11. a dust screen; 12. a refractory filler strip; 13. the particles are attached.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a cable with flame retardant and high temperature resistance includes a core 1, an anti-compression strip 2, a second wrapping layer 6, a heat dissipation hole 10 and an attached particle 13; the outside parcel of sinle silk 1 has insulating layer 3, be provided with anti layering 2 between many sinle silks 1, anti layering 2 twines many sinle silks 1 together, anti layering 2 material is elastic insulation rubber, can increase sinle silk 1's compressive capacity through setting up anti layering 2, can increase the firm in connection between many sinle silks 1 simultaneously, and can reduce the frictional force between two sinle silks 1 that link to each other, reduce wearing and tearing, in addition can also make and keep certain clearance between two sinle silks 1 that link to each other, the heat dissipation of the sinle silk 1 of being convenient for more, be provided with central elasticity enhancement strip 4 on the center axis that many sinle silks 1 constitute, the compressive capacity of enhancement sinle silk 1 that can step forward through the central elasticity enhancement strip 4.

The outer sides of the multiple wire cores 1 are jointly provided with a first wrapping layer 5, the first wrapping layer 5 is a heat insulation layer, the first wrapping layer 5 is made of a glass fiber layer, a fireproof filling strip 12 is arranged between the first wrapping layer 5 and the wire cores 1, the fireproof filling strip 12 is made of fireproof silica gel, a large number of attached particles 13 are arranged on the fireproof filling strip 12, the attached particles 13 are made of perlite particles, a second wrapping layer 6 is arranged on the outer side of the first wrapping layer 5, the second wrapping layer 6 is a waterproof layer, the second wrapping layer 6 is made of polyvinyl chloride waterproof coating, a flame retardant layer 7 is arranged on the outer side of the second wrapping layer 6, multiple flame retardant strips 8 are uniformly distributed in the flame retardant layer 7, the flame retardant strips 8 are made of polyether-ether-ketone and halogen-free low-smoke flame retardant materials in a mixed filling mode, a third wrapping layer 9 is arranged on the outer side of the flame retardant layer 7, and the third, the material of third wrapping layer 9 is woven for the glass fiber silk longitude and latitude and forms, and the equipartition is provided with a plurality of louvres 10 on the third wrapping layer 9, installs dust screen 11 in the louvre 10, can accelerate sinle silk 1's heat dissipation through setting up louvre 10, can prevent through the dust screen 11 that sets up that the dust from entering into louvre 10 in, blocks louvre 10 and influences the heat dissipation.

The utility model discloses a theory of operation is: through anti layering 2 with many sinle silks 1 winding together, increase sinle silks 1's compressive capacity, increase the firm in connection degree between many sinle silks 1 simultaneously, and reduce the frictional force between two continuous sinle silks 1, reduce wearing and tearing, keep certain clearance between two sinle silks 1 that link to each other in addition, be convenient for sinle silks 1's heat dissipation, first wrapping sheet 5 plays high temperature resistance's effect jointly with fire-resistant filler strip 12, dispel the heat to sinle silks 1 through louvre 10, dust screen 11 keeps the cleanness in the louvre 10, prevent that the dust from entering into and causing the jam in the louvre 10, influence the heat dissipation.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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 by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A cable with flame retardance and high temperature resistance comprises wire cores (1), compression-resistant strips (2), a second wrapping layer (6), heat dissipation holes (10) and attached particles (13), and is characterized in that the outer sides of the wire cores (1) are wrapped with insulating layers (3), compression-resistant strips (2) are arranged among the wire cores (1), the compression-resistant strips (2) wind the wire cores (1) together, and central elastic reinforcing strips (4) are arranged on a central axis formed by the wire cores (1); the outside of many sinle silks (1) is provided with first parcel layer (5) jointly, first parcel layer (5) are the insulating layer, be provided with fire-resistant filler strip (12) between first parcel layer (5) and sinle silks (1), be provided with a large amount of attached particles (13) on fire-resistant filler strip (12), the outside of first parcel layer (5) is provided with second parcel layer (6), second parcel layer (6) are the waterproof layer, the outside of second parcel layer (6) is provided with fire-retardant layer (7), the equipartition is provided with many fire-retardant strips (8) in fire-retardant layer (7), the outside of fire-retardant layer (7) is provided with third parcel layer (9).

2. The cable with flame retardance and high temperature resistance according to claim 1, wherein the compression-resistant strip (2) is made of elastic insulating rubber, the first wrapping layer (5) is made of a glass fiber layer, and the fire-resistant filling strip (12) is made of fire-resistant silica gel.

3. The cable with flame retardance and high temperature resistance according to claim 1, wherein the adhering particles (13) are perlite particles, and the second wrapping layer (6) is a polyvinyl chloride waterproof coating.

4. The cable with flame retardance and high temperature resistance according to claim 1, wherein the third wrapping layer (9) is a wear-resistant layer, a plurality of heat dissipation holes (10) are uniformly distributed in the third wrapping layer (9), and a dust screen (11) is installed in each heat dissipation hole (10).

5. The cable with flame retardance and high temperature resistance according to claim 1, wherein the flame retardant strips (8) are made of polyether ether ketone and halogen-free low-smoke flame retardant materials through mixed filling, and the third wrapping layer (9) is made of glass fiber yarns through warp and weft weaving.