CN211350179U

CN211350179U - A durable fireproof cable for new forms of energy

Info

Publication number: CN211350179U
Application number: CN201922188494.1U
Authority: CN
Inventors: 田国华
Original assignee: Hebei Jinli Cable Co ltd
Current assignee: Hebei Jinli Cable Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-08-25
Anticipated expiration: 2029-12-09

Abstract

The utility model relates to the technical field of fireproof cables, in particular to a durable fireproof cable for new energy, which comprises an outer wrapping layer and an inner ring, wherein a fire extinguishing mechanism is arranged between the outer wrapping layer and the inner ring, the inner ring consists of an inner core, a separation layer, a filling medium and a protective layer, the separation layer is arranged at the inner side of the protective layer in a crossing manner and is integrally formed with the protective layer, and the filling medium is arranged in a gap between the inner core and the separation layer; the surrounding layer comprises resistant extrusion layer and insulating layer, resistant extrusion layer set up in the insulating layer surface and with the insulating layer between closely laminate, its barrier propterty is better, be provided with simultaneously and put out a fire the mechanism and carry out the segmentation protection with the cable, prevent that the intensity of a fire from causing more damages to the cable.

Description

A durable fireproof cable for new forms of energy

Technical Field

The utility model relates to a fireproof cable technical field specifically says to a durable fireproof cable for new forms of energy.

Background

The wire and cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion, the wire and cable in a broad sense is also called as cable for short, the cable in a narrow sense is insulated cable, and it can be defined as: an aggregate consisting of; one or more insulated wire cores, and a coating layer, a total protective layer and an outer protective layer which can be respectively arranged on the insulated wire cores, and the cable can also be provided with an additional conductor without insulation, wherein the new energy fireproof cable is a cable which is widely applied at the present stage.

Research and analysis find that the existing fireproof cable neglects the functions of heat dissipation and flexibility because the existing fireproof cable pays more attention to the fireproof performance, and simultaneously, once the external fire of the cable is large, the serial cables are also greatly burnt.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned not enough, the utility model provides a durable fireproof cable for new forms of energy here, barrier propterty is better, is provided with simultaneously and puts out a fire the mechanism and carry out the segmentation protection with the cable, prevents that the intensity of a fire from causing more damages to the cable.

The utility model is realized in such a way, a durable fireproof cable for new energy is constructed, which comprises an outer wrapping layer and an inner ring, a fire extinguishing mechanism is arranged between the outer wrapping layer and the inner ring, the inner ring is composed of an inner core, a separating layer, a filling medium and a protective layer, the separating layer is arranged at the inner side of the protective layer in a crossing way and is integrally formed with the protective layer, and the filling medium is arranged in a gap between the inner core and the separating layer; the outer cladding layer consists of an extrusion-resistant layer and a heat-insulating layer, and the extrusion-resistant layer is arranged on the surface of the heat-insulating layer and tightly attached to the heat-insulating layer.

Further, the mechanism of putting out a fire comprises bubble, fire-retardant medium, conducting strip, pastes layer and diaphragm, and the diaphragm is even connection between surrounding layer and inner circle, and the conducting strip laminating in the outside of bubble pastes the layer and sets up in the bubble inboard, can carry out the separation with the intensity of a fire under the prerequisite that the cable is outside or inside catches fire through the mechanism of putting out a fire that sets up, prevents that it from stretching other cable positions.

Further, the bubble sets up between adjacent diaphragm, be thin rubber material through the bubble that sets up and diaphragm, its elasticity and extrusion effect are better, it is gaseous to be filled with the heptafluoropropane of high concentration in the bubble simultaneously, it has the clean gas fire extinguishing agent of physics effect of putting out a fire concurrently, simultaneously colourless, tasteless, low toxicity, nonconducting, can not cause the damage to the cable facility, after the intensity of a fire spreads to burn out the bubble, heptafluoropropane spills over and carries out the separation with the intensity of a fire, thereby reach the effect of putting out a fire, reduce follow-up burning and cause the irreparable loss to the cable.

Further, resistant extrusion layer and insulating layer are and gather the perfluoroethylene material, and polytetrafluoroethylene's mechanical property is softer, has very low surface energy, has high temperature resistant, low temperature resistant, corrosion-resistant, resistant weather, non-adhesion, high lubricated performance simultaneously concurrently, and better protection cable is outside, completely cuts off the heat simultaneously, prevents to influence the use of inner core.

Further, the flame-retardant medium is made of ethylene propylene rubber; the filling medium is the expanded rubber material, further plays the effect of protection inner core through the EP rubbers material, and protective layer and filling medium adopt PP material and expanded rubber material respectively simultaneously, prevent that the inner core from receiving the book damage.

The utility model discloses the advantage embodies to be:

the method has the advantages that: the fire extinguishing mechanism is composed of bubbles, flame-retardant media, heat conducting fins, an adhering layer and a diaphragm, the diaphragm is uniformly connected between the outer cladding layer and the inner ring, the heat conducting fins are adhered to the outer side of the bubbles, the adhering layer is arranged on the inner side of the bubbles, and the fire extinguishing mechanism arranged on the inner side of the bubbles can separate the fire behavior on the premise that the cable is ignited outside or inside to prevent the fire extinguishing mechanism from spreading to other cable parts.

The method has the advantages that: the bubble sets up between adjacent diaphragm, bubble and diaphragm through setting up are thin rubber material, its elasticity is better with the extrusion effect, it is gaseous with the heptafluoropropane of high concentration to fill in the bubble simultaneously, it has the clean gaseous fire extinguishing agent of physics effect of putting out a fire concurrently, simultaneously colourless, tasteless, low toxicity, it is non-conductive, can not lead to the fact the damage to the cable facility, after the intensity of a fire spreads to burn the bubble, heptafluoropropane gas spills over and carries out the separation with the intensity of a fire, thereby reach the effect of putting out a fire, reduce follow-up burning and cause the irreparable loss to the cable.

The method has the advantages that: the extrusion-resistant layer and the heat-insulating layer are made of polyfluortetraethylene, the polyfluortetraethylene is soft in mechanical property, has very low surface energy, has the service performances of high temperature resistance, low temperature resistance, corrosion resistance, weather resistance, non-adhesiveness and high lubrication, well protects the exterior of the cable, and isolates heat to prevent the use of an inner core from being influenced; the function of protecting the inner core is further played through the ethylene propylene rubber material, and meanwhile, the protective layer and the filling medium are respectively made of the PP material and the foamed rubber material, so that the inner core is prevented from being damaged.

Drawings

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

fig. 2 is a schematic structural diagram of the fire extinguishing mechanism of the present invention.

Sequence numbers shown in the figures: the fire extinguishing device comprises an outer cladding layer 1, an extrusion-resistant layer 10, a heat insulation layer 11, a fire extinguishing mechanism 2, bubbles 21, a flame-retardant medium 22, a heat conducting sheet 23, an adhesive layer 24, a diaphragm 25, an inner ring 3, an inner core 31, a separation layer 32, a filling medium 33 and a protection layer 34.

Detailed Description

The present invention will be described in detail below with reference to the attached drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention; furthermore, the terms "first," "second," "third," "upper, lower, left, right," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a durable fireproof cable for new energy through the improvement, as shown in the attached drawing of the specification, can be implemented as follows; the fire extinguishing device comprises an outer cladding layer 1 and an inner ring 3, wherein a fire extinguishing mechanism 2 is arranged between the outer cladding layer 1 and the inner ring 3, the inner ring 3 consists of an inner core 31, a separation layer 32, a filling medium 33 and a protective layer 34, the separation layer 32 is arranged on the inner side of the protective layer 34 in a crossed manner and integrally formed with the protective layer 34 and the protective layer 34, and the filling medium 33 is arranged in a gap between the inner core 31 and the separation layer 32; the outer cladding layer 1 consists of an extrusion-resistant layer 10 and a heat-insulating layer 11, wherein the extrusion-resistant layer 10 is arranged on the surface of the heat-insulating layer 11 and is tightly attached to the heat-insulating layer 11.

The utility model discloses in, as shown in fig. 1-2, fire extinguishing mechanism 2 comprises bubble 21, fire-retardant medium 22, conducting strip 23, pastes layer 24 and diaphragm 25, and diaphragm 25 is even connection between surrounding layer 1 and inner circle 3, and conducting strip 23 laminates in the outside of bubble 21, pastes layer 24 and sets up in bubble 21 inboard, can carry out the separation with the intensity of a fire under the prerequisite that the cable is outside or inside catches fire through the fire extinguishing mechanism 2 that sets up, prevents that it from stretching other cable positions.

Bubble 21 sets up between adjacent diaphragm 25, bubble 21 and diaphragm 25 through setting up are thin rubber material, its elasticity and extrusion effect are better, it is gaseous to fill with the heptafluoropropane of high concentration in bubble 21 simultaneously, it has the clean gas fire extinguishing agent of physics effect of putting out a fire concurrently, simultaneously colourless, tasteless, low toxicity, it is non-conductive, can not cause the damage to the cable facility, after the intensity of a fire spreads bubble 21 and burns out, the heptafluoropropane gas spills over and carries out the separation with the intensity of a fire, thereby reach the effect of putting out a fire, reduce follow-up burning and cause the irreparable loss to the cable.

As shown in fig. 1, the extrusion-resistant layer 10 and the thermal insulation layer 11 are made of polyfluortetraethylene, and the polyfluortetraethylene has a soft mechanical property, a very low surface energy, and has the service performances of high temperature resistance, low temperature resistance, corrosion resistance, weather resistance, non-adhesiveness and high lubrication, so that the cable can be well protected from the outside, and the heat can be isolated from the cable to prevent the use of the inner core 31 from being affected; the flame retardant medium 22 is made of ethylene propylene rubber; the filling medium 33 is made of foamed rubber, the inner core 31 is further protected by ethylene propylene rubber, and meanwhile, the protective layer 34 and the filling medium 33 are made of PP (polypropylene) and foamed rubber respectively, so that the inner core 31 is prevented from being damaged.

It should be noted that, the separation layer 32 separates the cable core 31 into separate independent spaces, and during the power-on operation, the protection layer 34 and the filling medium 33 prevent the core 31 from being damaged, and once the cable catches fire, the high-concentration heptafluoropropane gas filled in the bubbles 21 in advance is burnt out, and then the heptafluoropropane gas overflows to block the fire, thereby greatly reducing the damage degree of the subsequent cable.

In conclusion; a durable fireproof cable for new forms of energy compares with the current durable fireproof cable who is used for the new forms of energy, and barrier propterty is better, is provided with simultaneously and puts out a fire the mechanism and carries out the segmentation protection with the cable, prevents that the intensity of a fire from causing more damages to the cable.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A durable fireproof cable for new energy, including surrounding layer (1) and inner circle (3), its characterized in that: a fire extinguishing mechanism (2) is arranged between the outer cladding layer (1) and the inner ring (3), the inner ring (3) is composed of an inner core (31), a separation layer (32), a filling medium (33) and a protective layer (34), the separation layer (32) is arranged on the inner side of the protective layer (34) in a crossing manner and is integrally formed with the protective layer (34), and the filling medium (33) is arranged in a gap between the inner core (31) and the separation layer (32); the outer cladding layer (1) is composed of an anti-extrusion layer (10) and a heat insulation layer (11), and the anti-extrusion layer (10) is arranged on the surface of the heat insulation layer (11) and tightly attached to the heat insulation layer (11).

2. The durable fireproof cable for new energy according to claim 1, wherein: the fire extinguishing mechanism (2) is composed of air bubbles (21), a flame-retardant medium (22), a heat conducting sheet (23), an adhering layer (24) and a diaphragm (25), the diaphragm (25) is uniformly connected between the outer wrapping layer (1) and the inner ring (3), the heat conducting sheet (23) is adhered to the outer side of the air bubbles (21), and the adhering layer (24) is arranged on the inner side of the air bubbles (21).

3. The durable fireproof cable for new energy according to claim 2, wherein: the air bubbles (21) are arranged between adjacent diaphragms (25).

4. The durable fireproof cable for new energy according to claim 1, wherein: the extrusion-resistant layer (10) and the heat insulation layer (11) are both made of fluorinated ethylene.

5. The durable fireproof cable for new energy according to claim 2, wherein: the flame-retardant medium (22) is made of ethylene propylene rubber; the filling medium (33) is made of foamed rubber.