CN216353498U - Corrosion-resistant fireproof fire-fighting cable - Google Patents

Abstract

The utility model discloses a corrosion-resistant fireproof fire-fighting cable which comprises a lead, wherein the lead comprises a first conductor and a second conductor, a heat-insulating shielding layer, an outer fire-retardant layer, a PVC (polyvinyl chloride) insulating layer, an electromagnetic shielding layer and a polyvinyl chloride insulating layer are sequentially wrapped outside the lead from inside to outside, a wrapping tape is wound outside the polyvinyl chloride insulating layer, an outer sheath is wrapped outside the wrapping tape, and a tearing rope is arranged in the outer sheath; the upper end of the first conductor and the lower end of the second conductor are respectively attached to the inner side of the heat insulation shielding layer, the lower end of the first conductor and the upper end of the second conductor are mutually attached and are provided with a contact part, the left side of the contact part and the right side of the contact part are respectively provided with a light unit on the inner side of the heat insulation shielding layer, and the filling ropes are respectively connected with the first conductor and the second conductor; the inner side of the thermal insulation shielding layer is filled with non-wet fillers. The utility model has the following advantages and effects: has the advantages of enhanced corrosion resistance, increased refractory temperature and duration.

Description

Corrosion-resistant fireproof fire-fighting cable

Technical Field

The utility model relates to the technical field of cables, in particular to a corrosion-resistant fireproof fire-fighting cable.

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.

The existing fireproof fire-fighting cable has the defects of poor corrosion resistance and low protection effect in practical application, and internal elements are easily damaged directly; meanwhile, the defects of low fire resistance temperature and short fire resistance duration exist in the fire resistance aspect. Therefore, there is a need for a corrosion-resistant fire-fighting cable that has enhanced corrosion resistance, improved fire temperature, and improved duration of fire resistance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a corrosion-resistant fireproof fire-fighting cable, which solves the problems in the background art.

The technical purpose of the utility model is realized by the following technical scheme: a corrosion-resistant fireproof fire-fighting cable comprises a lead, wherein the lead comprises a first conductor and a second conductor, a temperature-insulating shielding layer, an outer fire-retardant layer, a PVC (polyvinyl chloride) insulating layer, an electromagnetic shielding layer and a polyvinyl chloride insulating layer are sequentially wrapped outside the lead from inside to outside, a wrapping tape is wound outside the polyvinyl chloride insulating layer, an outer sheath is wrapped outside the wrapping tape, and a tearing rope is arranged in the outer sheath;

the upper end of the first conductor and the lower end of the second conductor are respectively attached to the inner side of the heat insulation shielding layer, the lower end of the first conductor and the upper end of the second conductor are mutually attached and are provided with a contact part, the left side of the contact part and the right side of the contact part are respectively provided with a light unit and the filling rope, and the filling rope is respectively connected with the first conductor and the second conductor;

and the inner side of the thermal insulation shielding layer is filled with non-wetting fillers.

The further setting is that: the first conductor and the second conductor are composed of a core part formed by twisting a plurality of copper wires and an inner fire-retardant layer wrapping the core part.

The further setting is that: the outer fire-retardant layer and the inner fire-retardant layer are both silicon rubber ceramic belts.

The further setting is that: the heat insulation shielding layer is composed of ceramic fiber paper adhered with aluminum foil.

The further setting is that: the electromagnetic shielding layer is of a metal net structure.

The further setting is that: the non-wet filler comprises glass fiber and polypropylene.

The further setting is that: the filling rope is made of polypropylene.

The utility model has the beneficial effects that:

the purpose of fire resistance is achieved by arranging the outer fire-resistant layer, and the high-temperature-resistant threshold is improved by matching the heat-insulating shielding layer, so that the high temperature within 1100 ℃ can be borne in actual use; meanwhile, the inner fire-resistant layer is arranged outside the first conductor and the second conductor, the high-temperature-resistant threshold value is optimized again, the fire-resistant duration time is prolonged, and the defects of low fire-resistant temperature and short fire-resistant duration time in the background technology are overcome. In addition, the PVC insulating layer, the electromagnetic shielding layer, the polyvinyl chloride insulating layer, the wrapping tape and the outer sheath are arranged, so that the purpose of corrosion resistance is achieved, and external moisture can be effectively prevented from entering; the structures can effectively prevent and delay the generation of micro-channels in the internal clearance by wrapping the outer cover, and further improve the anti-corrosion and anti-seepage capabilities. In addition, through the spacing to first conductor and second conductor position to improve the effect that the wire stretch-proofing, anti sway through setting up the filling rope, optimize overall structure's stability.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

In the figure: 11. a first conductor; 12. a second conductor; 21. a thermal insulation shielding layer; 22. an outer flame retardant layer; 23. a PVC insulating layer; 24. an electromagnetic shielding layer; 25. a polyvinyl chloride insulating layer; 26. wrapping a tape; 27. an outer sheath; 31. tearing the rope; 41. a light unit; 51. filling a rope; 61. a non-wetting filler; 71. a core; 72. an inner flame-retardant layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in the attached drawing 1, the corrosion-resistant fireproof fire-fighting cable comprises a lead, wherein the lead comprises a first conductor 11 and a second conductor 12, a temperature-insulating shielding layer 21, an outer fire-retardant layer 22, a PVC (polyvinyl chloride) insulating layer 23, an electromagnetic shielding layer 24 and a polyvinyl chloride insulating layer 25 are sequentially wrapped outside the lead from inside to outside, a wrapping tape 26 is wrapped outside the polyvinyl chloride insulating layer 25, an outer sheath 27 is wrapped outside the wrapping tape 26, and a tearing rope 31 is arranged in the outer sheath 27;

the upper end of the first conductor 11 and the lower end of the second conductor 12 are respectively attached to the inner side of the thermal insulation shielding layer 21, the lower end of the first conductor 11 and the upper end of the second conductor 12 are attached to each other and provided with a contact part, the light unit 41 is arranged on the left side of the contact part and the filling rope 51 is arranged on the right side of the contact part on the inner side of the thermal insulation shielding layer 21, and the filling rope 51 is respectively connected with the first conductor 11 and the second conductor 12;

the inside of the thermal insulation shield layer 21 is filled with a non-moisture filler 61.

The first conductor 11 and the second conductor 12 are composed of a core 71 formed by twisting a plurality of copper wires and an inner flame retardant layer 72 wrapping the core 71.

Wherein, the outer fire-retardant layer 22 and the inner fire-retardant layer 72 are both silicon rubber ceramic tapes.

Wherein, the thermal insulation shielding layer 21 is composed of ceramic fiber paper adhered with aluminum foil.

Electromagnetic shield layer 24 is a metal mesh structure.

The non-wetting filler 61 includes glass fiber and polypropylene.

Wherein the filler string 51 is made of polypropylene.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (7)

1. The utility model provides a corrosion-resistant fire prevention fire control cable, including the wire, its characterized in that: the lead comprises a first conductor (11) and a second conductor (12), a thermal insulation shielding layer (21), an outer fire-retardant layer (22), a PVC insulating layer (23), an electromagnetic shielding layer (24) and a polyvinyl chloride insulating layer (25) are sequentially wrapped outside the lead from inside to outside, a wrapping tape (26) is wound outside the polyvinyl chloride insulating layer (25), an outer sheath (27) is wrapped outside the wrapping tape (26), and a tearing rope (31) is arranged in the outer sheath (27);

the upper end of the first conductor (11) and the lower end of the second conductor (12) are respectively attached to the inner side of the heat insulation shielding layer (21), the lower end of the first conductor (11) and the upper end of the second conductor (12) are mutually attached and are provided with a contact part, the left side of the contact part on the inner side of the heat insulation shielding layer (21) is provided with a light unit (41), the right side of the contact part is provided with a filling rope (51), and the filling rope (51) is respectively connected with the first conductor (11) and the second conductor (12);

and the inner side of the thermal insulation shielding layer (21) is filled with a non-wetting filler (61).

2. The corrosion-resistant fire-fighting cable of claim 1, wherein: the first conductor (11) and the second conductor (12) are composed of a core part (71) formed by twisting a plurality of copper wires and an inner fire-retardant layer (72) wrapping the core part (71).

3. The corrosion-resistant fire-fighting cable of claim 2, wherein: the outer fire-retardant layer (22) and the inner fire-retardant layer (72) are both silicon rubber ceramic belts.

4. The corrosion-resistant fire-fighting cable of claim 1, wherein: the heat insulation shielding layer (21) is composed of ceramic fiber paper adhered with aluminum foil.

5. The corrosion-resistant fire-fighting cable of claim 1, wherein: the electromagnetic shielding layer (24) is of a metal net structure.

6. The corrosion-resistant fire-fighting cable of claim 1, wherein: the non-wetting filler (61) comprises glass fiber and polypropylene.

7. The corrosion-resistant fire-fighting cable of claim 1, wherein: the filling rope (51) is made of polypropylene.

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