CN209962754U

CN209962754U - Fireproof low-smoke halogen-free flexible water-resistant and impact-resistant cable

Info

Publication number: CN209962754U
Application number: CN201920671841.3U
Authority: CN
Inventors: 潘芳松; 居铁燕
Original assignee: Shanghai Everbright Cable Co Ltd
Current assignee: Shanghai Everbright Cable Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-01-17
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses a flexible water-fast, impact-resistant cable of fire prevention type low smoke and zero halogen relates to cable technical field, specifically is including the conductor cable core, the surface swing joint of conductor cable core has fire-resistant insulation layer, fire-resistant insulation layer's surface swing joint has ceramic silastic-layer, ceramic silastic-layer's surface swing joint has the colour separation protective layer, the surface of colour separation protective layer is provided with the filling layer. This flexible water-fast, shock-resistant cable of fire prevention type low smoke and zero halogen, through the setting on colour separation protective layer and ceramic silicon rubber layer, not only easily distinguish the sinle silk, improved the insulating properties when the cable is normally used simultaneously, the problem of mineral insulation easy moisture absorption and insulation resistance on the low side has been solved, through the setting of filling layer and low smoke and zero halogen sheath, along with the rising of temperature, ceramic silicon rubber can be burnt the hard complete casing of ceramic form rapidly, the flame time is longer more, the temperature is higher, it is hard more.

Description

Fireproof low-smoke halogen-free flexible water-resistant and impact-resistant cable

Technical Field

The utility model relates to the technical field of cables, specifically a flexible water-fast, impact-resistant cable of fire prevention type low smoke and zero halogen.

Background

Along with the rapid development of national economy and the continuous improvement of the living standard of people, the social electricity consumption is greatly increased, the consumption of various electrical equipment is sharply increased, and electrical fire accidents are also sharply increased, according to statistics, the number of the fires occurring in China is about more than ten thousand every year, and the direct property loss is more than ten billion yuan, wherein, the fires caused by electrical reasons such as short circuit of electric wires and cables, overload, electrical equipment faults and the like account for about 30 percent of the total number, the occurrence frequency of the electrical fires and the caused loss all account for the first of various fires, in the electrical fires, the fires caused by the electric wires and cables account for about half, so people pay more and more attention to the problems of low-smoke halogen-free flame retardance and fire safety of the electric wires and cables, and the requirements for the low-smoke halogen-free flame retardance and fire.

Therefore, on one hand, the environment using the cable needs to be ventilated, dry, wide in space and good in heat dissipation performance, and has a certain protection function on the cable, which is obviously difficult to achieve, on the other hand, the fireproof cable which is good in cable process technical performance, low-smoke halogen-free, fireproof, waterproof, strong in corrosion resistance, convenient to install and lay and high in safety is required, the fireproof cable has the excellent characteristics of high temperature resistance, fire resistance, low smoke, no toxicity, ageing resistance and the like of the mineral insulated cable, and meanwhile, the defects of poor bending performance, easiness in moisture absorption and the like of the mineral insulated cable are overcome.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a flexible water-fast, the shock-resistant cable of fire prevention type low smoke and zero halogen has solved the problem of proposing in the above-mentioned background art.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a flexible water-fast, shock-resistant cable of fire prevention type low smoke and zero halogen, includes the conductor cable core, the surface swing joint of conductor cable core has the fire insulation layer, the surface swing joint of fire insulation layer has ceramic silastic-layer, the surface swing joint on ceramic silastic-layer has the colour separation protective layer, the surface of colour separation protective layer is provided with the filling layer, the surface of filling layer is provided with low smoke and zero halogen sheath, the surface swing joint of filling layer has the waterproof layer, the surface swing joint of waterproof layer has the armor, the surface swing joint of armor has the inoxidizing coating.

As a further preferable technical proposal of the utility model; the inside glass fiber rope that includes of filling layer, the surface of colour separation protective layer is twined to the glass fiber rope.

As a further preferable technical proposal of the utility model; the material of the fire-resistant insulating layer is synthetic mica, the thickness of the synthetic mica is.millimeter, and the number of the synthetic mica wrapping layers is two.

As a further preferable technical proposal of the utility model; the protective layer comprises an outer sheath, an insulating layer and an inner sheath, wherein a first clamping block is fixedly connected to the inner wall of the outer sheath, a first clamping groove is formed in the outer surface of the insulating layer, a second clamping block is fixedly connected to the inner wall of the insulating layer, and a second clamping groove is formed in the outer surface of the inner sheath.

As a further preferable technical proposal of the utility model; the first clamping groove is matched with the first clamping block, the second clamping groove is matched with the second clamping block, and reserved seams are formed in the inner walls of the first clamping groove and the second clamping groove.

As a further preferable technical proposal of the utility model; the size of the color separation protective layer is the same.

To sum up, the utility model discloses following beneficial effect has:

the fireproof low-smoke halogen-free flexible waterproof and impact-resistant cable is characterized in that through the arrangement of the color separation protective layer and the ceramic silicon rubber layer, not only can wire cores be easily distinguished, but also the insulating property of the cable in normal use is improved, the problems that mineral insulation is easy to absorb moisture and the insulation resistance is low are solved, through the arrangement of the filling layer and the low-smoke halogen-free sheath, along with the rise of temperature, the ceramic silicon rubber can be quickly fired into a ceramic-shaped hard complete shell, the longer the flame-burning time is, the higher the temperature is, the harder the temperature is, a good protection effect can be realized on a circuit, the resistance of the circuit is enhanced, and the color separation protective layer can also play a certain heat insulation role in the cable burning process, so that the smoothness of the circuit under the fire condition is ensured, the purpose of fire prevention is achieved, through the arrangement of the waterproof layer and the armor layer, the damage of the cable wire is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic sectional view of the protective layer of the present invention;

fig. 4 is a schematic structural view of the glass fiber rope of the present invention.

In the figure: 1. a conductor cable core; 2. a refractory insulating layer; 3. a silicon rubber layer is ceramic; 4. a color separation protective layer; 5. a filling layer; 501. a glass fiber rope; 6. a low smoke zero halogen sheath; 7. a waterproof layer; 8. an armor layer; 9. a protective layer; 901. an outer sheath; 902. an insulating layer; 903. an inner sheath; 904. a first clamping block; 905. a first card slot; 906. a second fixture block; 907. and a second card slot.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 to 2, the present invention provides a technical solution: a fireproof low-smoke halogen-free flexible water-resistant impact-resistant cable comprises a conductor cable core 1, wherein the outer surface of the conductor cable core 1 is movably connected with a fire-resistant insulating layer 2, the fire-resistant insulating layer 2 is made of synthetic mica, the thickness of the synthetic mica is 0.18 mm, the number of the synthetic mica is two, the outer surface of the fire-resistant insulating layer 2 is movably connected with a ceramic silicon rubber layer 3, the outer surface of the ceramic silicon rubber layer 3 is movably connected with a color separation protective layer 4, the size of the color separation protective layer 4 is the same, the outer surface of the color separation protective layer 4 is provided with a filling layer 5, the filling layer 5 comprises a glass fiber rope 501, the glass fiber rope 501 is wound on the outer surface of the color separation protective layer 4, the outer surface of the filling layer 5 is provided with a low-smoke halogen-free sheath 6, the outer surface of the armor layer 8 is movably connected with a protective layer 9, the protective layer 9 comprises an outer sheath 901, an insulating layer 902 and an inner sheath 903, the inner wall of the outer sheath 901 is fixedly connected with a first clamping block 904, the outer surface of the insulating layer 902 is provided with a first clamping groove 905, the inner wall of the insulating layer 902 is fixedly connected with a second clamping block 906, the outer surface of the inner sheath 903 is provided with a second clamping groove 907, the first clamping groove 905 is matched with the first clamping block 904, the second clamping groove 907 is matched with the second clamping block 906, the inner walls of the first clamping groove 905 and the second clamping groove 907 are both provided with reserved seams, through the arrangement of the color separation protective layer 4 and the ceramic silicon rubber layer 3, not only the wire cores are easy to distinguish, but also the insulating property of the cable in normal use is improved, the problems that the mineral insulation is easy to absorb moisture and the insulation resistance is lower, through the arrangement of the filling layer 5 and the low smoke zero halogen sheath, the longer the time of burning flame, the higher the temperature is, and is harder more, can play fine guard action to the circuit, strengthens the resistance of this circuit to colour separation protective layer 4 also can play certain thermal-insulated effect in the cable combustion process, thereby guarantees that the unobstructed of circuit under the conflagration condition reaches the purpose of fire prevention, through waterproof layer 7 and armor 8's setting, can make the cable when the normality, has the ability of water-fast shock resistance, reduces the damage of cable conductor.

As an optimal technical solution of the utility model: the material of the protective layer 9 is melamine resin.

In conclusion, when the fireproof low-smoke halogen-free flexible water-resistant and impact-resistant cable is used, the color separation protective layer 4 and the ceramic silicon rubber layer 3 are arranged, so that not only can wire cores be easily distinguished, but also the insulating property of the cable in normal use is improved, the problems that mineral insulation is easy to absorb moisture and the insulation resistance is low are solved, through the arrangement of the filling layer 5 and the low-smoke halogen-free sheath 6, the ceramic silicon rubber can be quickly fired into a ceramic-like hard complete shell along with the rise of temperature, the longer the firing time is, the higher the temperature is, the harder the temperature is, the better the protection effect on a circuit can be achieved, the resistance of the circuit is enhanced, the color separation protective layer 4 can also play a certain heat insulation role in the cable combustion process, the smoothness of the circuit under the fire condition is ensured, the purpose of fire prevention is achieved, and through the arrangement of the waterproof layer 7 and the armor layer 8, the cable has the water resistance and impact resistance, and the damage of the cable is reduced.

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. The utility model provides a flexible water-fast, shock-resistant cable of fire prevention type low smoke and zero halogen, includes conductor cable core (1), its characterized in that: the surface swing joint of conductor cable core (1) has fire-resistant insulation layer (2), the surface swing joint of fire-resistant insulation layer (2) has ceramic silicon rubber layer (3), the surface swing joint of ceramic silicon rubber layer (3) has colour separation protective layer (4), the surface of colour separation protective layer (4) is provided with filling layer (5), the surface of filling layer (5) is provided with low smoke and zero halogen sheath (6), the surface swing joint of filling layer (5) has waterproof layer (7), the surface swing joint of waterproof layer (7) has armor (8), the surface swing joint of armor (8) has inoxidizing coating (9).

2. The fireproof low-smoke halogen-free flexible water-resistant impact-resistant cable according to claim 1, characterized in that: the filling layer (5) comprises a glass fiber rope (501) inside, and the glass fiber rope (501) is wound on the outer surface of the color separation protective layer (4).

3. The fireproof low-smoke halogen-free flexible water-resistant impact-resistant cable according to claim 1, characterized in that: the material of the fire-resistant insulating layer (2) is synthetic mica, the thickness of the synthetic mica is 0.18 mm, and the number of the synthetic mica wrapping layers is two.

4. The fireproof low-smoke halogen-free flexible water-resistant and impact-resistant cable according to claim 1, wherein the protective layer (9) comprises an outer sheath (901), an insulating layer (902) and an inner sheath (903), a first clamping block (904) is fixedly connected to the inner wall of the outer sheath (901), a first clamping groove (905) is formed in the outer surface of the insulating layer (902), a second clamping block (906) is fixedly connected to the inner wall of the insulating layer (902), and a second clamping groove (907) is formed in the outer surface of the inner sheath (903).

5. The fireproof low-smoke halogen-free flexible water-resistant impact-resistant cable according to claim 4, wherein the first clamping groove (905) is matched with the first clamping block (904), the second clamping groove (907) is matched with the second clamping block (906), and reserved seams are formed in the inner walls of the first clamping groove (905) and the second clamping groove (907).

6. The fireproof low-smoke halogen-free flexible water-resistant impact-resistant cable according to claim 1, wherein the color separation protective layers (4) are the same in size.