CN215265675U - Low-smoke halogen-free high-flame-retardant comprehensive sheathed cable - Google Patents

Abstract

The utility model discloses a low smoke zero halogen high flame retardant integrated sheathed cable, which comprises a cable, wherein a conductor is arranged inside the cable, a temperature-resistant protective sleeve is arranged on the outmost layer of the cable, a cable core is arranged inside the conductor, a fixed reinforcing steel bar is arranged outside the cable core, the outside of the fixed reinforcing steel bar is filled with buffer filling, a protective layer is connected below the temperature-resistant protective sleeve, a heat-proof oxygen-insulating layer is arranged below the protective layer, a protective armor layer is connected below the heat-proof oxygen-insulating layer, an insulating shielding layer is arranged below the protective armor layer, and heat-insulating filling is filled inside the cable. The cable can resist high temperature and is not damaged by the high temperature.

Description

Low-smoke halogen-free high-flame-retardant comprehensive sheathed cable

Technical Field

The utility model relates to a protection cable field especially relates to low smoke and zero halogen high fire-retardant comprehensive sheath cable.

Background

The manufacture of wire and cable is quite different from the way most electromechanical products are produced. Electromechanical products generally employ the assembly of parts into components, and the reassembly of multiple parts into a single product, with the product being metered in units or pieces. The wire and cable are in basic unit of measurement of length. All the electric wires and cables are made by processing conductors, and adding insulation, shielding, cabling, sheath and the like layer by layer on the periphery of the conductors to form electric wire and cable products. The more complex the product structure, the more levels are superimposed.

At present, most of cables are not fire-resistant and can be burnt in case of open fire, so that the low-smoke halogen-free high-flame-retardant comprehensive sheathed cable is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a low-smoke halogen-free high-flame-retardant comprehensive sheathed cable.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the low-smoke halogen-free high-flame-retardant comprehensive sheathed cable comprises a cable, wherein a conductor is arranged in the cable, a temperature-resistant protective sleeve is arranged on the outermost layer of the cable, a cable core is arranged in the conductor, a fixed reinforcing steel bar is arranged on the outer side of the cable core, a buffer filling layer is filled in the outer side of the fixed reinforcing steel bar, a protective layer is connected below the temperature-resistant protective sleeve, a heat-proof oxygen-insulating layer is arranged below the protective layer, a protective armor layer is connected below the heat-proof oxygen-insulating layer, an insulating shielding layer is arranged below the protective armor layer, and a heat-insulating filling layer is filled in the cable.

As a further description of the above technical solution:

temperature-resistant protective sheath fixed connection is outermost at the cable, the temperature-resistant protective sheath comprises high temperature resistant insulating rubber, the size of temperature-resistant protective sheath is greater than the size of cable.

As a further description of the above technical solution:

conductor fixed connection is in the inside of cable, the size of conductor is less than the size of cable, the quantity of conductor is three, cable core fixed connection is in the center department of conductor, fixed reinforcement fixed connection is in the inside of cable, the quantity of fixed reinforcement is a plurality of, fixed connection is filled in the buffering in the inside of conductor.

As a further description of the above technical solution:

the protective layer is fixedly connected below the temperature-resistant protective sleeve, the size of the protective layer is smaller than that of the temperature-resistant protective sleeve, the heat-proof oxygen-insulating layer is fixedly connected below the protective layer and is made of an oxygen-insulating material which forms a non-fusible and non-combustible alumina hard shell when meeting open fire, and the size of the heat-proof oxygen-insulating layer is smaller than that of the protective layer.

As a further description of the above technical solution:

the protective armor layer is fixedly connected between the heat-proof oxygen-insulating layer and the insulating shielding layer, the insulating shielding layer is fixedly connected below the protective armor layer, and the heat-insulating filling layer is fixedly connected inside the cable.

The utility model discloses following beneficial effect has:

the utility model discloses in, the heat-proof oxygen barrier layer of the oxygen barrier material preparation of the incombustible aluminium oxide crust that has been formed to the chance naked light has been adopted, can not burn when meetting flame, can protect inside cable not receive the infringement of flame well, the existence that has temperature-resistant protective sheath and protective layer can block high temperature, make the cable can resist high temperature and do not receive the high temperature harm, it comprises copper sheet and high fire-retardant low smoke and zero halogen polyolefin to protect the armour layer, not only can make the cable sturdy and durable, even can not send dense smoke when meetting flame yet, the existence on insulating shield layer can prevent the electricity and can resist signal interference again.

Drawings

Fig. 1 is a schematic view of the overall structure of the low-smoke halogen-free high-flame-retardant comprehensive sheathed cable provided by the utility model;

fig. 2 is a schematic cross-sectional view of a low-smoke halogen-free high-flame-retardant composite sheathed cable provided by the utility model;

fig. 3 is a schematic view of a cross section of a conductor of the low-smoke halogen-free high-flame-retardant composite sheathed cable provided by the utility model.

Illustration of the drawings:

1. a cable; 2. a temperature-resistant protective sleeve; 3. a conductor; 4. a cable core; 5. fixing the steel bars; 6. buffer filling; 7. a protective layer; 8. a heat-proof oxygen-insulating layer; 9. a armor layer; 10. an insulating shield layer; 11. and (4) insulating and filling.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, 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, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: low smoke and zero halogen high fire-retardant comprehensive sheath cable, including cable 1, cable 1's inside is provided with conductor 3, cable 1's outmost temperature-resistant protective sheath 2 that is provided with, conductor 3's inside is provided with cable core 4, cable core 4's the outside is provided with fixed reinforcement 5, fixed reinforcement 5's the outside packing has buffering to fill 6, temperature-resistant protective sheath 2's below is connected with protective layer 7, protective layer 7's below is provided with heat-proof oxygen layer 8 that separates, heat-proof oxygen layer 8's below is connected with protects armour layer 9, the below of protecting armour layer 9 is provided with insulating shielding layer 10, cable 1's inside packing has thermal-insulated packing 11.

The utility model discloses in, 2 fixed connection of temperature-resistant protective sheath are outmost at cable 1, and temperature-resistant protective sheath 2 comprises high temperature resistant insulating rubber, and temperature-resistant protective sheath 2's size is greater than cable 1's size, has had the existence of temperature-resistant protective sheath 2 to block high temperature, makes cable 1 can resist the high temperature and does not receive the high temperature harm.

Conductor 3 fixed connection is in cable 1's inside, conductor 3's size is less than cable 1's size, conductor 3's quantity is three, 4 fixed connection of cable core are located at conductor 3's center, 5 fixed connection of fixed reinforcing bar are in cable 1's inside, the quantity of fixed reinforcing bar 5 is a plurality of, 6 fixed connection are filled in the buffering in conductor 3's inside, fixed reinforcing bar 5 and buffering fill 6 existence fixed cable core 4 that can be fine, make it can not remove at will, also can be more convenient during the use.

Protective layer 7 fixed connection is in the below of temperature-resistant protective sheath 2, the size of protective layer 7 is less than the size of temperature-resistant protective sheath 2, heat protection separates oxygen layer 8 fixed connection in the below of protective layer 7, heat protection separates oxygen layer 8 and is formed by the oxygen material preparation that separates that meets the incombustible aluminium oxide crust that naked light formed, heat protection separates the size of oxygen layer 8 and is less than the size of protective layer 7, heat protection separates the existence on oxygen layer 8, even cable 1 can not burn when meetting flame, can protect inside cable 1 not infringement of flame well.

Protecting armour layer 9 fixed connection and protecting between oxygen layer 8 and the insulating and shielding layer 10 of preventing heat, insulating and shielding layer 10 fixed connection is in the below of protecting armour layer 9, and thermal-insulated packing 11 fixed connection has not sent dense smoke even when meetting flame in the existence of protecting armour layer 9 in the inside of cable 1, protects armour layer 9 can protect cable 1 moreover, and the existence of insulating and shielding layer 10 can prevent electric and can resist signal interference again.

The working principle and the using process thereof are as follows: when the user uses the cable 1, the user can not worry about the damage of flame to the cable 1, because the heat-proof oxygen-isolating layer 8 is made of an oxygen-isolating material which is formed by an alumina hard shell which is not melted and is not inflammable when meeting open fire, the flame can be prevented from burning, the cable 1 is protected, the cable 1 can be made hard due to the existence of the protective armor layer 9, the pressure resistance can not be easily damaged, the insulation shielding layer 10 can prevent signals from interfering the cable 1, and the stable and safe transmission of the signals of the cable 1 is maintained.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (5)

1. Low smoke and zero halogen high flame retardant comprehensive sheath cable, including cable (1), its characterized in that: the cable is characterized in that a conductor (3) is arranged inside the cable (1), a temperature-resistant protective sleeve (2) is arranged on the outermost layer of the cable (1), a cable core (4) is arranged inside the conductor (3), a fixed steel bar (5) is arranged outside the cable core (4), a buffer filling (6) is filled outside the fixed steel bar (5), a protective layer (7) is connected below the temperature-resistant protective sleeve (2), a heat-proof oxygen-insulating layer (8) is arranged below the protective layer (7), a protective armor layer (9) is connected below the heat-proof oxygen-insulating layer (8), an insulating shielding layer (10) is arranged below the protective armor layer (9), and a heat-insulating filling (11) is filled inside the cable (1).

2. The low-smoke halogen-free high-flame-retardant comprehensive sheathed cable according to claim 1, characterized in that: temperature-resistant protective sheath (2) fixed connection is outermost at cable (1), temperature-resistant protective sheath (2) comprises high temperature resistant insulating rubber, the size of temperature-resistant protective sheath (2) is greater than the size of cable (1).

3. The low-smoke halogen-free high-flame-retardant comprehensive sheathed cable according to claim 1, characterized in that: conductor (3) fixed connection is in the inside of cable (1), the size of conductor (3) is less than the size of cable (1), the quantity of conductor (3) is three, cable core (4) fixed connection is in the center department of conductor (3), fixed reinforcing bar (5) fixed connection is in the inside of cable (1), the quantity of fixed reinforcing bar (5) is a plurality of, the inside at conductor (3) is filled in the buffering (6) fixed connection.

4. The low-smoke halogen-free high-flame-retardant comprehensive sheathed cable according to claim 1, characterized in that: the protective layer (7) is fixedly connected below the temperature-resistant protective sleeve (2), the size of the protective layer (7) is smaller than that of the temperature-resistant protective sleeve (2), the heat-proof oxygen-insulating layer (8) is fixedly connected below the protective layer (7), the heat-proof oxygen-insulating layer (8) is made of an oxygen-insulating material which forms a non-fusible alumina hard shell when exposed to fire, and the size of the heat-proof oxygen-insulating layer (8) is smaller than that of the protective layer (7).

5. The low-smoke halogen-free high-flame-retardant comprehensive sheathed cable according to claim 1, characterized in that: the heat-insulating and oxygen-insulating cable is characterized in that the armor protection layer (9) is fixedly connected between the heat-insulating and oxygen-insulating layer (8) and the insulating and shielding layer (10), the insulating and shielding layer (10) is fixedly connected below the armor protection layer (9), and the heat-insulating filler (11) is fixedly connected inside the cable (1).

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