CN216928151U

CN216928151U - Environment-friendly and energy-saving fireproof cable

Info

Publication number: CN216928151U
Application number: CN202220854635.8U
Authority: CN
Inventors: 钱朝兴
Original assignee: Baichuan Cable Co ltd
Current assignee: Baichuan Cable Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-07-08
Anticipated expiration: 2032-04-13

Abstract

The utility model relates to the technical field of cables, in particular to an environment-friendly and energy-saving fireproof cable which comprises a core part and a protective layer, wherein the core part comprises a support column and a plurality of groups of cable cores arranged in the support column, insulating sleeves are sleeved outside the cable cores, the protective layer comprises a waterproof layer, a heat absorption layer, a heat insulation layer, a flame retardant layer and a wear-resistant layer which are sequentially arranged outside a shielding layer, a plurality of groups of heat conducting rods are arranged on the inner circumference of the heat insulation layer, and a low-smoke halogen-free high-flame-retardant belt is arranged to have the functions of fire prevention, fire insulation, fire resistance and flame retardance and is made of a halogen-free and non-toxic material, so that the content of sour taste and the content of bromine and chlorine during combustion are extremely low, and the harm to personnel and electrical equipment is effectively reduced; the core of the cable is prevented from being influenced by high temperature of a fire scene by the arrangement of the heat insulation layer and the heat absorption layer, so that the cable still has good power transmission efficiency in the fire scene, the reliability of the cable is improved, and the failure of an illumination system in the fire scene is avoided.

Description

Environment-friendly and energy-saving fireproof cable

Technical Field

The utility model relates to the technical field of cables, in particular to an environment-friendly and energy-saving fireproof cable.

Background

The fireproof cable is widely applied at the present stage, the imported products mainly come from America and Europe, and the standards of the fireproof cable in the America and the Europe are incompatible with each other, and the fireproof ideas are greatly different, so that the Party A and the design institute are in a passive state when selecting the products, and have various reasons, and the existing electric wire and cable release toxic and harmful gases when catching fire is an important reason for casualties. According to incomplete statistics, one third of fire death personnel caused by electric wires and cables are suffocated and die due to the fact that toxic gas released when the electric wires and cables are burnt is inhaled, the existing fireproof cables are incomplete in safety and environment-friendly functions, substances added into the cables permeate into the environment after long-term use, and the environment is easily polluted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the existing electric wire and cable releases toxic and harmful gases when catching fire, which is an important reason to cause casualties. According to incomplete statistics, one third of fire death personnel caused by electric wires and cables are suffocated and die due to the fact that toxic gas released when the electric wires and cables are burnt is inhaled, the existing fireproof cable is incomplete in safety and environment-friendly function, substances added into the cable permeate into the environment after long-term use, the environment is easily polluted, and the like, so that the environment-friendly and energy-saving fireproof cable is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a fireproof cable of environmental protection and energy saving, includes nuclear core portion and protective layer, nuclear core portion includes the support column and sets up a plurality of groups cable core in the support column, the outside of cable core all overlaps and is equipped with insulating cover, be provided with the insulating layer between nuclear core portion and the protective layer, the outside of insulating layer is provided with the shielding layer, the protective layer is including setting gradually in outside waterproof layer, heat-sink shell, insulating layer, fire-retardant layer and the wearing layer of shielding layer, circumference is provided with a plurality of groups of heat conduction poles in the insulating layer, be provided with the strengthening rib in the heat conduction pole.

Preferably, a plurality of groups of filling cavities are arranged on the inner circumference of the heat insulation layer, and sodium bicarbonate crystals are filled in the filling cavities.

Preferably, the insulating sleeve and the insulating layer are both halogen-free low-smoke flame-retardant irradiation crosslinked polyolefin, and the shielding layer is a metal braid layer.

Preferably, the waterproof layer is an aluminum-plastic composite tape winding layer, the heat absorption layer is a mica tape, and the heat insulation layer is a plurality of layers of aluminum silicate fiber tapes.

Preferably, the flame-retardant layer is a low-smoke halogen-free high-flame-retardant belt, the wear-resistant layer is a hard rubber layer, and the heat-conducting rod is a metal heat-conducting rod.

The utility model provides an environment-friendly and energy-saving fireproof cable, which has the beneficial effects that: the low-smoke halogen-free high-flame-retardant belt has the effects of fire prevention, fire insulation, fire resistance and flame retardance, and is made of halogen-free and nontoxic materials, so that the sour content and the contents of bromine and chlorine are extremely low during combustion, the harm to personnel and electrical equipment is effectively reduced, and the cable is more environment-friendly and safer; the heat insulation layer and the heat absorption layer are arranged to prevent the core of the cable from being influenced by the high temperature of a fire scene, so that the cable still has good power transmission efficiency in the fire scene, the reliability of the cable is improved, and the failure of an illumination system in the fire scene is avoided; through setting up heat conduction pole and sodium bicarbonate crystal, the local temperature of heat conduction pole with the local high temperature dispersion reduction insulating layer of cable when the cable receives the scene of a fire toasts, and sodium bicarbonate crystal is heated fast decomposition and forms carbon dioxide and incombustible's sodium carbonate, and isolated air absorbs the heat to the fire behavior that makes the cable improves greatly.

Drawings

Fig. 1 is a schematic structural view of an environment-friendly and energy-saving fireproof cable provided by the utility model.

In the figure: 1. a support pillar; 2. a cable core; 3. an insulating sleeve; 4. an insulating layer; 5. a shielding layer; 6. a waterproof layer; 7. a heat absorbing layer; 8. a thermal insulation layer; 9. a flame retardant layer; 10. a wear layer; 11. a heat conducting rod; 12. reinforcing ribs; 13. the cavity is filled.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1, an environment-friendly and energy-saving fireproof cable comprises a core part and a protective layer, wherein the core part comprises a support column 1 and a plurality of groups of cable cores 2 arranged in the support column 1, insulating sleeves 3 are sleeved outside the cable cores 2, an insulating layer 4 is arranged between the core part and the protective layer, a shielding layer 5 is arranged outside the insulating layer 4, the protective layer comprises a waterproof layer 6, a heat absorbing layer 7, a heat insulating layer 8, a flame-retardant layer 9 and a wear-resistant layer 10 which are sequentially arranged outside the shielding layer 5, a plurality of groups of heat conducting rods 11 are arranged on the inner circumference of the heat insulating layer 8, reinforcing ribs 12 are arranged in the heat conducting rods 11, the flame-retardant layer 9 has the functions of fire prevention, fire insulation, fire resistance and flame retardance, so that the fire resistance of the cable is improved, when the cable receives the scene of a fire to toast, heat conduction rod 11 reduces the local temperature of insulating layer with the local high temperature dispersion of cable, avoids influencing the normal use of nuclear core portion.

The circumference is provided with a plurality of groups of packing chamber 13 in insulating layer 8, packs and is filled with sodium bicarbonate crystal in chamber 13, and sodium bicarbonate crystal is heated the quick decomposition and forms carbon dioxide and incombustible sodium carbonate, and isolated air absorbs the heat to make the fire behavior of cable improve greatly.

Insulating cover 3 and insulating layer 4 are halogen-free low smoke flame retardant irradiation crosslinked polyolefin, and shielding layer 5 is the metal braid, and low smoke and zero halogen high flame retardant belt has the effect of fire prevention, fire-resistant and fire-retardant of separating to there is not steamed, nontoxic material, and sour content, bromine and chlorine content are extremely low during the burning, effectively reduce the harm to personnel and electrical equipment, and the cable is more environmental protection and safety.

The waterproof layer 6 is an aluminum-plastic composite tape winding layer, the heat absorption layer 7 is a mica tape, and the heat insulation layer 8 is a multilayer aluminum silicate fiber tape.

The flame-retardant layer 9 is a low-smoke halogen-free high-flame-retardant belt, the wear-resistant layer 10 is a hard rubber layer, and the heat conducting rod 11 is a metal heat conducting rod.

According to the utility model, the low-smoke halogen-free high-flame-retardant belt has the effects of fire prevention, fire insulation, fire resistance and flame retardance, and is made of halogen-free and nontoxic materials, so that the sour content and the content of bromine and chlorine are extremely low during combustion, the harm to personnel and electrical equipment is effectively reduced, the cable is more environment-friendly and safer, and the core of the cable is prevented from being influenced by the high temperature of a fire scene by arranging the heat insulation layer 8 and the heat absorption layer 7, so that the cable still has good power transmission efficiency in the fire scene, the reliability of the cable is increased, and the failure of an illumination system in the fire scene is avoided; through setting up heat conduction rod 11 and sodium bicarbonate crystal, heat conduction rod 11 reduces the local temperature of insulating layer with the local high temperature dispersion of cable when the cable receives the scene of a fire toasts, and sodium bicarbonate crystal is heated and is decomposed fast and form carbon dioxide and incombustible's sodium carbonate, and isolated air absorbs the heat to the fire behavior that makes the cable improves greatly.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an environmental protection and energy saving's fireproof cable, includes core portion and protective layer, its characterized in that, core portion includes support column (1) and sets up a plurality of groups cable core (2) in support column (1), the outside of cable core (2) all overlaps and is equipped with insulating cover (3), be provided with insulating layer (4) between core portion and the protective layer, the outside of insulating layer (4) is provided with shielding layer (5), the protective layer is including setting gradually waterproof layer (6), heat-sink shell (7), insulating layer (8), fire-retardant layer (9) and wearing layer (10) of shielding layer (5) outside, circumference is provided with a plurality of groups heat-conducting rod (11) in insulating layer (8), be provided with strengthening rib (12) in heat-conducting rod (11).

2. An environment-friendly and energy-saving fireproof cable according to claim 1, wherein the inner circumference of the heat insulation layer (8) is provided with a plurality of groups of filling cavities (13), and the filling cavities (13) are filled with sodium bicarbonate crystals.

3. The environment-friendly and energy-saving fireproof cable according to claim 1, wherein the insulating sheath (3) and the insulating layer (4) are both halogen-free low-smoke flame-retardant irradiation crosslinked polyolefin, and the shielding layer (5) is a metal braid layer.

4. The environment-friendly and energy-saving fireproof cable according to claim 1, wherein the waterproof layer (6) is a winding layer of aluminum-plastic composite tape, the heat absorbing layer (7) is mica tape, and the heat insulating layer (8) is a multi-layer aluminum silicate fiber tape.

5. The environment-friendly and energy-saving fireproof cable according to claim 1, wherein the flame retardant layer (9) is a low smoke zero halogen high flame retardant tape, the wear layer (10) is a hard rubber layer, and the heat conducting rod (11) is a metal heat conducting rod.