CN218004438U

CN218004438U - Fireproof heat-insulation cable

Info

Publication number: CN218004438U
Application number: CN202123445161.6U
Authority: CN
Inventors: 勾金龙; 徐健康; 梁海峰; 刘杨; 郭廷健
Original assignee: Heilongjiang Jinda Cable Co ltd
Current assignee: Heilongjiang Jinda Cable Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-12-09
Anticipated expiration: 2031-12-30

Abstract

The utility model provides a fire prevention thermal-insulated cable, including ageing resistance wear-resistant coating, fire prevention area, oversheath, metal isolation layer, insulating heat conduction filler, temperature sensing optic fibre, cable inner sheath, cable core, cooling pipeline and water cavity, ageing resistance wear-resistant coating is in the outside of fire prevention area, fire prevention area spiral winding are in the outside of oversheath, the inboard of oversheath are equipped with metal isolation layer, metal isolation layer's inside is equipped with insulating heat conduction filler, and the center department cross-under of insulating heat conduction filler has the cooling pipeline, the cooling pipeline is the stainless steel tubular metal resonator, the inside of cooling pipeline is equipped with water cavity, the outside that insulating heat conduction filler is located cooling pipeline is equipped with the cable core that evenly encircles its axle center distribution, cable core's outside is equipped with the cable inner sheath, the outside that insulating heat conduction filler is located cable core is equipped with a plurality of temperature sensing optic fibre that encircle cooling pipeline axle center distribution. The utility model discloses inside and outside thermal-insulated fireproof effect is good, inside and outside dual protection.

Description

Fireproof heat-insulation cable

Technical Field

The utility model relates to the technical field of cables, very much be a fire prevention thermal-insulated cable.

Background

The cable is formed by stranding a plurality of mutually insulated conductors and is used for power or information interaction, the cable is generally erected at high altitude or buried underground and is used for long-distance high-voltage power transmission, and each cable is generally responsible for power transmission of a plurality of strands of lines, so that the transmission efficiency is high, the manufacturing cost is low, and the stability is good.

Traditional fireproof cable it has the fire prevention insulating layer to carry out outside fire prevention thermal-insulated in outside cladding, but inside cable core can produce the heat at the in-process that uses, and its heat can not in time effluvium influence its life, even spontaneous combustion.

SUMMERY OF THE UTILITY MODEL

The utility model provides a utility model aims to provide a fire prevention thermal-insulated cable is in order to solve above-mentioned problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a fire prevention thermal-insulated cable, includes ageing resistance wear-resistant coating, fire prevention area, oversheath, metal isolation layer, insulating heat conduction filler, temperature sensing optic fibre, cable inner sheath, cable core, cooling tube and water supply cavity, ageing resistance wear-resistant coating is in the outside of fire prevention area, the winding of fire prevention area spiral is in the outside of oversheath, the inboard of oversheath is equipped with metal isolation layer, metal isolation layer's inside is equipped with insulating heat conduction filler, the center department cross-under of insulating heat conduction filler has cooling tube, cooling tube is the stainless steel tubular metal resonator, cooling tube's inside is equipped with water supply cavity, insulating heat conduction filler is located cooling tube's outside is equipped with the cable core that evenly encircles its axle center distribution, cable core's outside is equipped with cable inner sheath, insulating heat conduction filler is located cable core's outside is equipped with a plurality of temperature sensing optic fibre that encircles cooling tube axle center distribution, ageing resistance wear-resistant coating 1 makes this cable have good ageing resistance, and external thermal-insulated flame retardant coating jointly constitutes outside through the inside by the temperature sensing optic fibre 8 work production of cable core of fire prevention area 2 and metal isolation layer 4, and the inside heat transfer cable core that heat generation has avoided the heat transfer to produce greatly with the inside and the heat transfer cable cavity of heat exchange protection.

Preferably, the temperature sensing optical fiber is electrically connected with a temperature alarm of the management terminal.

Preferably, the outer sheath and the cable inner sheath are both made of polyethylene materials.

Preferably, the anti-aging wear-resistant coating is formed by combining an ultraviolet absorber and titanium alloy powder.

Preferably, aramid fiber is adopted as the material of the fireproof belt.

Preferably, the metal isolation layer is a metal fire-proof net coated with heat insulation materials.

The utility model provides a fireproof heat-insulating cable. The method has the following beneficial effects:

(1) The utility model provides a pair of fire prevention thermal-insulated cable is through setting up the wear-resisting coating of ageing resistance, the fire prevention area, the oversheath, the metal isolation layer, insulating heat conduction filler, temperature sensing optic fibre, the cable inner sheath, the cable core, cooling pipeline and feedwater chamber group cost cable, this cable has good ageing resistance, wear-resisting, thermal-insulated ability, simultaneously through the inside temperature by cable core work production of temperature sensing optic fibre perception cable, the heat that the cable core produced is taken away to the cooling liquid that lets in the flow in the feedwater chamber through cooling pipeline, avoid inside high temperature spontaneous combustion, inside and outside dual protection has been realized, the life of greatly increased cable.

Drawings

Fig. 1 is the utility model relates to a fire prevention thermal-insulated cable structure schematic diagram.

In the figure: 1. an anti-aging wear-resistant coating; 2. a fire-retardant belt; 3. an outer sheath; 4. a metal isolation layer; 5. insulating heat-conducting filler; 6. a temperature sensing optical fiber; 7. a cable inner sheath; 8. a cable core; 9. a cooling pipe; 10. A water supply cavity.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

in the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 as a specific case by those skilled in the art.

As shown in fig. 1, a fireproof and heat-insulating cable comprises an anti-aging wear-resistant coating 1, a fireproof belt 2, an outer sheath 3, a metal isolation layer 4, an insulating heat-conducting filler 5, temperature-sensitive optical fibers 6, a cable inner sheath 7, a cable core 8, a cooling pipeline 9 and a water supply cavity 10, wherein the anti-aging wear-resistant coating 1 is coated on the outer portion of the fireproof belt 2, the fireproof belt 2 is spirally wound on the outer portion of the outer sheath 3, the metal isolation layer 4 is arranged on the inner side of the outer sheath 3, the insulating heat-conducting filler 5 is arranged inside the metal isolation layer 4, the center of the insulating heat-conducting filler 5 is connected with the cooling pipeline 9 in a penetrating manner, the cooling pipeline 9 is a stainless steel metal pipe, the water supply cavity 10 is arranged inside the cooling pipeline 9, the cable core 8 uniformly surrounding the axis of the insulating heat-conducting filler 5 is arranged outside the cooling pipeline 9, the cable core 8 is arranged outside the cable core 7, and the insulating heat-conducting filler 5 is arranged outside the cable core 8 and is provided with a plurality of temperature-sensitive optical fibers 6 surrounding the axis of the cooling pipeline 9.

According to the above technical scheme of the utility model, the temperature alarm at 6 electric connection management terminals of temperature sensing optic fibre carries out temperature alarm, can set up independent controller control according to the temperature feedback and supply water for water supply cavity 8.

According to the above technical scheme of the utility model, oversheath 3 and cable inner sheath 7 are the polyethylene material.

According to the above technical scheme of the utility model, ageing resistance wear-resisting coating 1 is formed by ultraviolet absorber and the combination of titanium alloy powder and is carried out outside ageing resistance and wear-resisting.

According to the above technical scheme of the utility model, the material of fire prevention area 2 adopts aramid fiber.

According to the above technical scheme of the utility model, metal isolation layer 4 is thermal-insulated for the coating has the metal fire prevention net of thermal insulation material to prevent fires.

During the use, the utility model provides a pair of fire prevention thermal-insulated cable is through setting up ageing resistance wear-resistant coating 1, the fire prevention area 2, the oversheath 3, metal isolation layer 4, insulating heat conduction filler 5, temperature sensing optic fibre 6, cable inner sheath 7, cable core 8, this cable is constituteed to cooling duct 9 and feed water chamber 10, ageing resistance wear-resistant coating 1 makes this cable have good ageing resistance, wear resistance, fire prevention area 2 and metal isolation layer 4 constitute outside thermal-insulated flame retardant coating jointly, simultaneously through the inside temperature by cable core 8 work production of temperature sensing optic fibre 6 perception cable, the heat that cable core 8 produced is taken away with insulating heat conduction filler 5 heat transfer to feed water chamber 10 through cooling duct 9 lets in the coolant liquid that flows, avoid inside high temperature spontaneous combustion, inside and outside dual protection has been realized, the life of greatly increased cable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fire prevention thermal-insulated cable, its characterized in that, includes ageing resistance wear-resistant coating (1), fire hose (2), oversheath (3), metal isolation layer (4), insulating heat conduction filler (5), temperature sensing optic fibre (6), cable inner sheath (7), cable core (8), cooling tube (9) and gives water cavity (10), ageing resistance wear-resistant coating (1) coating is in the outside of fire hose (2), fire hose (2) spiral winding is in the outside of oversheath (3), the inboard of oversheath (3) is equipped with metal isolation layer (4), the inside of metal isolation layer (4) is equipped with insulating heat conduction filler (5), the center department cross-under of insulating heat conduction filler (5) has cooling tube (9), cooling tube (9) are the stainless steel tubular metal resonator, the inside of cooling tube (9) is equipped with for water cavity (10), the outside that insulating heat conduction filler (5) are located cooling tube (9) is equipped with evenly encircles core (8) of its axle center distribution, the outside of cable core (8) is equipped with cable core (7), the temperature sensing cable core (5) is located a plurality of outer heat conduction core (6) and distributes.

2. A fire-resistant and heat-insulating cable according to claim 1, wherein: the temperature sensing optical fiber (6) is electrically connected with a temperature alarm of the management terminal.

3. A fire-resistant and heat-insulating cable according to claim 1, wherein: the outer sheath (3) and the cable inner sheath (7) are made of polyethylene materials.

4. The fireproof and heat-insulating cable according to claim 1, wherein: the fireproof belt (2) is made of aramid fiber.

5. The fireproof and heat-insulating cable according to claim 1, wherein: the metal isolation layer (4) is a metal fireproof net coated with heat insulation materials.