CN206931405U

CN206931405U - A kind of high residential building single fireproof cable

Info

Publication number: CN206931405U
Application number: CN201720465425.9U
Authority: CN
Inventors: 吴惠明
Original assignee: DONGGUAN MINXING CABLE Co Ltd
Current assignee: DONGGUAN MINXING CABLE Co Ltd
Priority date: 2017-04-28
Filing date: 2017-04-28
Publication date: 2018-01-26
Anticipated expiration: 2027-04-28

Abstract

The utility model relates generally to the technical field of cable, and in particular to a kind of high residential building single fireproof cable, its structure include conductor, inorganic mineral insulating barrier, aluminum pipe clad and the polyethylene color separation insulating barrier set gradually from the inside to the outside；The outside of the polyethylene color separation insulating barrier is provided with the first nonwoven layer, armor is coated with the outside of first nonwoven layer, inorganic mineral oxygen barrier material is also filled between first nonwoven layer and armor, the second nonwoven layer is coated with the outside of the armor, second nonwoven layer is extruded with polyolefin overcoat, it is flexible high, fire line is good, installed available for family, service life is grown, it is mainly used in the electric power facility installation of high residential building and building, solves the problems, such as conventional cable fire-proof poor performance, degree of flexibility difference.

Description

A kind of high residential building single fireproof cable

Technical field

The technical field of crane is the utility model is related to, more particularly to a kind of high residential building single fireproof cable.

Background technology

With attention of the society to fire, when people are to occurring fire, the consciousness for how going to ensure inherently safe constantly adds It is deep, requirement of the relevant department to performances such as wire work fire protection flame retardings also more and more higher, it is desirable to when fire alarm occurs, Fire lift, Fire pump need to keep the normal operation in certain time, and the lighting circuit of residential building needs normal operation longer time, At the same time, it is also necessary to which power equipment caused impurity when burned needs harmless wait to require.

At present, high residential building fire-resisting cable mainly has a mica tape fire-resisting cable of the wrapped mica tape outside cable core, it is this When running into fierce fire, the mica tape of mica tape fire-resisting cable is easy to come off, so as to cause potential safety hazard, also, Some cables pursue fire protecting performance simply, and so as to cause cable tensile resistance poor, therefore, cable can not still meet that cable uses In high residential building, good, the flexible composite request of the fire protecting performance that is reached.

Utility model content

The purpose of this utility model is to be directed to deficiency of the prior art, and provide a kind of fire protecting performance it is good, it is flexible compared with The strong multicore fireproof cable for being mainly used in high residential building.

The purpose of this utility model is achieved through the following technical solutions：

A kind of high residential building single fireproof cable is provided, including the conductor, the inorganic mineral that set gradually from the inside to the outside are exhausted Edge layer, aluminum pipe clad and polyethylene color separation insulating barrier；The outside of the polyethylene color separation insulating barrier is provided with the first nonwoven layer, Armor is coated with the outside of first nonwoven layer, inorganic mineral is filled between first nonwoven layer and armor Oxygen barrier material, the armor outside are coated with the second nonwoven layer, and second nonwoven layer is extruded with polyolefin overcoat.

Wherein, the armor is that finer wire braiding forms, a diameter of 0.1-0.2mm of finer wire.

Wherein, the conductor is the .97% of purity >=99 electrolysis copper conductor, is electrolysed a diameter of 2-3mm of copper conductor.

Wherein, the polyethylene color separation insulating barrier is prepared using XLPE crosslinked polyethylene insulation materials, and its thickness is 0.3mm。

Wherein, the inorganic mineral insulating barrier is prepared using magnesia powder, and its thickness is 0.3mm-0.5mm.

Wherein, first nonwoven layer is the nonwoven fabric belts that thickness is 0.2mm.

Wherein, second nonwoven layer is Ceramic Composite band, and its thickness is 0.25mm.

Wherein, the thickness of the polyolefin overcoat is 2mm.

The beneficial effects of the utility model：

A kind of high residential building single fireproof cable of the present utility model, it is flexible high, and fire line is good, pacifies available for family Dress, service life length, the electric power facility for being mainly used in high residential building and building are installed, compared with prior art, the cable of the application Cored structure includes inorganic mineral insulating barrier, and it is free of any combustible medium, and fire protecting performance is excellent；It is provided with the first nonwoven layer With the second nonwoven layer, double layer screen and isolation strip, cable fire-proof, the performance of insulation have been ensured to greatest extent；Inside cable Filled with inorganic mineral oxygen barrier material, further enhance the performance of fire-proof high-temperature resistant, and the flexibility of cable can be strengthened, solve with The problem of toward cable fire-proof poor performance, degree of flexibility difference.

Brief description of the drawings

Using accompanying drawing, the utility model is described in further detail, but the embodiment in accompanying drawing is not formed to of the present utility model Any restrictions, on the premise of not paying creative work, can also be according to following attached for one of ordinary skill in the art Figure obtains other accompanying drawings.

Fig. 1 is a kind of structural representation of high residential building single fireproof cable of the present utility model.

Reference：

1- conductors；

2- inorganic mineral insulating barriers；

3- aluminum pipe clads；

4- polyethylene color separation insulating barriers；

5- inorganic mineral oxygen barrier materials；

The nonwoven layers of 6- first；

7- armors；

The nonwoven layers of 8- second；

9- polyolefin overcoats.

Embodiment

The utility model is further described with the following Examples.

The embodiment of a kind of high residential building single fireproof cable of the present utility model, as shown in figure 1, a kind of high-rise House single fireproof cable, including conductor 1, inorganic mineral insulating barrier 2, the and of aluminum pipe clad 3 set gradually from the inside to the outside Polyethylene color separation insulating barrier 4；The outside of polyethylene color separation insulating barrier 4 is provided with the first nonwoven layer 6, the first nonwoven layer 6 it is outer Side is coated with armor 7, is also filled with inorganic mineral oxygen barrier material 5 between the first nonwoven layer 6 and armor 7, outside armor 7 Side is coated with the second nonwoven layer 8, and the second nonwoven layer 8 is extruded with polyolefin overcoat 9, and it is flexible high, and fire line is good, can be used for Family installs, service life length, is mainly used in the electric power facility installation of high residential building and building, compared with prior art, this Shen Cable core structure please includes inorganic mineral insulating barrier 2, and it is free of any combustible medium, and fire protecting performance is excellent；It is provided with first The nonwoven layer 8 of nonwoven layer 6 and second, double layer screen and isolation strip, cable fire-proof, the property of insulation have been ensured to greatest extent Energy；Inorganic mineral oxygen barrier material 5 is filled with inside cable, further enhances the performance of fire-proof high-temperature resistant, and cable can be strengthened Flexibility, solve the problems, such as conventional cable fire-proof poor performance, degree of flexibility difference.

Preferably, the second nonwoven layer 8 is Ceramic Composite band, and its thickness is 0.25mm, and Ceramic Composite is with excellent fire-retardant of Property and fire resistance：Vertically, combustion is not prolonged in horizontal firing, and anti-flammability is up to V-0 levels, and oxygen index (OI) is up to more than 43；At 350-3000 DEG C In the case of having flame, nonflame, hard ceramic-like armour body can be burnt till, temperature is higher, the ceramic-like armour body after ablation time longer burning Harder, residue is ceramic inorganic thing, and residual volume is not fallen off up to more than 80%, ceramic-like armour body can play well every Fire screen thermal effect.

Preferably, conductor 1 is the .97% of purity >=99 electrolysis copper conductor 1, is electrolysed a diameter of 2-3mm of copper conductor 1, its Electric conductivity is superior, ensure that cable being capable of normal work.

Preferably, polyethylene color separation insulating barrier 4 is prepared using XLPE crosslinked polyethylene insulation materials, its fire protecting performance, resistance to Corrosive nature and service life are often all very good, are highly suitable for preparing insulating barrier.

Preferably, inorganic mineral insulating barrier 2 is prepared using magnesia powder, and its thickness is 0.3mm-0.5mm, and it is not Containing any combustible medium, fire protecting performance is excellent, high temperature resistant and service life length.

Preferably, the first nonwoven layer 6 is the nonwoven fabric belts that thickness is 0.2mm, has insulation and buffer action well, It is and cheap.

Preferably, the thickness of polyolefin overcoat 9 is 2mm, and polyolefin has the characteristic of low cigarette, Halogen, obtained polyolefin The good flame resistance of overcoat 9, the feature of environmental protection is good, environmentally safe, and halogen-free low-smoke flame retardant material layer is purchased in market obtains, raw material sources Extensively.

Finally it should be noted that above example is only illustrating the technical solution of the utility model, rather than to this reality With the limitation of novel protected scope, although being explained with reference to preferred embodiment to the utility model, this area it is general It is logical it will be appreciated by the skilled person that can be modified to the technical solution of the utility model or equivalent substitution, without departing from this The spirit and scope of utility model technical scheme.

Claims

1. a kind of high residential building single fireproof cable, it is characterized in that, including conductor, the inorganic mineral set gradually from the inside to the outside Insulating barrier, aluminum pipe clad and polyethylene color separation insulating barrier；The outside of the polyethylene color separation insulating barrier is provided with the first non-woven fabrics Layer, armor is coated with the outside of first nonwoven layer, filled with inorganic between first nonwoven layer and armor Mineral oxygen barrier material, the armor outside are coated with the second nonwoven layer, and second nonwoven layer is extruded with outside polyolefin Set.

2. a kind of high residential building single fireproof cable according to claim 1, it is characterized in that, the armor is finer wire Braiding forms, a diameter of 0.1-0.2mm of finer wire.

3. a kind of high residential building single fireproof cable according to claim 1, it is characterized in that, the conductor is purity >=99 .97% electrolysis copper conductor, it is electrolysed a diameter of 2-3mm of copper conductor.

4. a kind of high residential building single fireproof cable according to claim 1, it is characterized in that, the polyethylene color separation insulation Layer is prepared using XLPE crosslinked polyethylene insulation materials, and its thickness is 0.3mm.

5. a kind of high residential building single fireproof cable according to claim 1, it is characterized in that, the inorganic mineral insulation Layer is prepared using magnesia powder, and its thickness is 0.3mm-0.5mm.

6. a kind of high residential building single fireproof cable according to claim 1, it is characterized in that, first nonwoven layer is Thickness is 0.2mm nonwoven fabric belts.

7. a kind of high residential building single fireproof cable according to claim 1, it is characterized in that, second nonwoven layer is Ceramic Composite band, its thickness are 0.25mm.

8. a kind of high residential building single fireproof cable according to claim 1, it is characterized in that, the thickness of the polyolefin overcoat Spend for 2mm.