CN218159743U

CN218159743U - Low-smoke halogen-free flame-retardant flexible fireproof cable conductor

Info

Publication number: CN218159743U
Application number: CN202221865530.9U
Authority: CN
Inventors: 范正军; 谢俊杰
Original assignee: Yixing Xinyijin Metal Material Co ltd
Current assignee: Yixing Xinyijin Metal Material Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-12-27
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a fire-retardant flexible fireproof cable conductor of low smoke and zero halogen, which comprises a conductor, the surface of conductor is provided with the insulating layer, the surface of insulating layer is provided with first shielding layer, the surface of first shielding layer is connected with the second shielding layer, the inside packing of second shielding layer has glass silk filling layer, the surface of second shielding layer is provided with the isolation layer, the surface of isolation layer is provided with weaves the armor, the surface of weaving the armor is provided with first high fire-retardant halogen-free low smoke flame retardant layer, the surface of first high fire-retardant halogen-free low smoke flame retardant layer is provided with the built on stilts layer. The utility model discloses in, through setting up the built on stilts layer, cooperate first high fire-retardant halogen-free low smoke flame retardant layer of steamed low smoke flame retardant layer and second high fire-retardant halogen-free low smoke flame retardant layer, can improve inner conductor's high temperature resistance ability and fire behaviour, can play the guard action to the conductor, also can maintain under the high temperature, the conflagration condition that the longer time is interior stable unblocked carry out signal transmission, the security is high.

Description

Low-smoke halogen-free flame-retardant flexible fireproof cable conductor

Technical Field

The utility model relates to the technical field of cables, in particular to fire-retardant flexible fireproof cable conductor of low smoke and zero halogen.

Background

With the rapid development of the economy of China, the electricity consumption of China is increased every year, various fire accidents also frequently occur, and huge losses of lives and properties are caused. The fireproof cable is widely used in the fields of commercial buildings, industrial facilities, residential houses and the like at present, is mainly used for fire-fighting emergency, can ensure that electric power and control lines are not short-circuited within a certain time after a fire disaster occurs, and provides a powerful guarantee for fire-fighting rescue. Present fireproof cable is when using, though has certain flame retardant efficiency, but because the cable integration, the heat can be caused the cable inner conductor to damage by quick conduction, and fire-retardant fire-resistant effect is relatively poor, for this reason, provides a fire-retardant flexible fireproof cable conductor of low smoke and zero halogen.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a low-smoke halogen-free flame-retardant flexible fireproof cable conductor, which can effectively solve the problems of the background art.

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

the utility model provides a fire-retardant flexible fireproof cable conductor of low smoke and zero halogen, includes the conductor, the surface of conductor is provided with the insulating layer, the surface of insulating layer is provided with first shielding layer, the surface of first shielding layer is connected with the second shielding layer, the inside packing of second shielding layer has the glass silk filling layer, spacing hole has been seted up to the inside of glass silk filling layer, the surface of second shielding layer is provided with the isolation layer, the surface of isolation layer is provided with weaves the armor, the surface of weaving the armor is provided with first high fire-retardant low smoke and zero halogen flame retardant layer, the surface of first high fire-retardant low smoke and zero halogen flame retardant layer is provided with the frame space layer, the louvre has been seted up to the inside of frame space layer.

Preferably, the insulating layer is fixedly connected with the conductor, the thickness of the insulating layer is 2-3mm, and the first shielding layer is fixedly connected with the insulating layer.

Preferably, the number of the conductors is four, the conductors are embedded in the limiting holes in a clamping mode, and the conductors are fixed with the glass fiber filling layer through the insulating layer and the first shielding layer.

The second shielding layer, the glass fiber filling layer and the isolation layer are fixedly connected, the woven armor layer and the isolation layer are fixedly connected, and the woven armor layer is formed by weaving steel wires.

Preferably, the first high-flame-retardant halogen-free low-smoke flame-retardant layer comprises a woven reinforcing layer, the woven reinforcing layer is formed by weaving high-fire-resistant carbon fibers, the outer surface of the woven reinforcing layer is coated with a fireproof layer, the inner surface of the woven reinforcing layer is coated with a flame-retardant layer, and the temperature resistance level of the first high-flame-retardant halogen-free low-smoke flame-retardant layer is greater than or equal to 1500 ℃.

Preferably, the overhead layer is fixedly connected with the first high-flame-retardant halogen-free low-smoke flame-retardant layer, the heat dissipation holes penetrate through the overhead layer, the number of the heat dissipation holes is a plurality, and the heat dissipation holes are arranged at equal intervals in an annular mode along the inside of the overhead layer.

Preferably, the fixed surface of the overhead layer is provided with a second high-flame-retardant halogen-free low-smoke flame-retardant layer, the second high-flame-retardant halogen-free low-smoke flame-retardant layer has the same structure as the first high-flame-retardant halogen-free low-smoke flame-retardant layer, and the second high-flame-retardant halogen-free low-smoke flame-retardant layer is provided with a low-smoke halogen-free outer sheath.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through setting up the built on stilts layer, cooperate first high fire-retardant steamed low cigarette fire-retardant layer of nothing and the steamed low cigarette fire-retardant layer of nothing of second high fire-retardant, can improve inner conductor's high temperature resistance and fire behaviour, can play the guard action to the conductor, also can maintain the unblocked signal transmission that carries on of longer time internal stability under high temperature, the conflagration condition, the security is high.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of a low-smoke halogen-free flame-retardant flexible fireproof cable conductor of the present invention;

FIG. 2 is a side sectional view of a low smoke zero halogen flame retardant flexible fireproof cable conductor of the present invention;

FIG. 3 is a schematic structural view of an outer sheath in a low-smoke halogen-free flame-retardant flexible fireproof cable conductor of the present invention;

FIG. 4 is a schematic structural view of an overhead layer in the low-smoke halogen-free flame-retardant flexible fireproof cable conductor of the present invention;

fig. 5 is the utility model relates to a low smoke and zero halogen fire-retardant flexible fireproof cable conductor in the structure schematic diagram of conductor.

In the figure: 1. a conductor; 2. an insulating layer; 3. a first shielding layer; 4. a glass fiber filler layer; 5. a limiting hole; 6. a second shielding layer; 7. an isolation layer; 8. weaving an armor layer; 9. a first high flame-retardant halogen-free low-smoke flame-retardant layer; 10. an overhead layer; 11. heat dissipation holes; 12. a second high flame-retardant halogen-free low-smoke flame-retardant layer; 13. and a low-smoke halogen-free outer sheath.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-5, a fire-retardant flexible fireproof cable conductor 1 of low smoke and zero halogen, including conductor 1, the quantity of conductor 1 is four groups, the surface of conductor 1 is provided with insulating layer 2, utilize insulating layer 2 can play the insulating role to inside conductor 1, fixed connection between insulating layer 2 and conductor 1, the thickness of insulating layer 2 is 2-3mm, the surface of insulating layer 2 is provided with first shielding layer 3, can shield the magnetic field that single conductor 1 electric current produced through first shielding layer 3, fixed connection between first shielding layer 3 and insulating layer 2, the surface of first shielding layer 3 is connected with second shielding layer 6, can shield the magnetic field that whole cable produced through second shielding layer 6, the inside of second shielding layer 6 is filled with glass silk filling layer 4, utilize the filling layer to play the fixed role to inside conductor 1, spacing hole 5 has been seted up to the inside of glass silk filling layer 4, conductor 1 inlay card is in the inside of spacing hole 5, conductor 1 passes through insulating layer 2, first shielding layer 3 is fixed with glass silk filling layer 4, the surface of second shielding layer 6 is provided with the fixed connection of the shielding layer 7, the fixed connection of the armor layer 7 is woven with the armor layer 8 through the armor braided wire, it is woven and braided through armor 8 to utilize the armor layer 7 to weave the armor layer 7, it to be provided with the armor braided connection of the armor layer 7.

The surface of weaving armor 8 is provided with first high fire-retardant halogen-free low smoke flame retardant layer 9 that does not have, can play the isolation to inside conductor 1 through first high fire-retardant halogen-free low smoke flame retardant layer 9, can improve the fire resistance of conductor 1, first high fire-retardant halogen-free low smoke flame retardant layer 9 is including weaving the enhancement layer, it forms to weave the enhancement layer and adopt high fire-resistant carbon fiber to weave, the surface coating of weaving the enhancement layer has the flame retardant coating, the internal surface coating has flame retardant coating, the temperature resistant grade ≧ C of first high fire-retardant halogen-free low smoke flame retardant layer 9, the surface of first high fire-retardant halogen-free low smoke flame retardant layer 9 is provided with rack layer 10, fixed connection between rack layer 10 and the first high fire-retardant halogen-free low smoke flame

retardant layer

9, 11 has been seted up to the inside louvre of

rack layer

10, 11 louvre runs through rack layer 10 can let play the isolation between cable surface and the conductor 1, prevent the fire-retardant and the high temperature resistance of inside conductor 1 and high temperature-retardant property, the quantity of louvre 11 is a plurality of louvre, 11 is the annular equidistant range of arranging along the inside of rack layer 10, there is high fire-retardant halogen-retardant high fire-retardant low smoke layer 12 that halogen-free halogen-retardant low smoke fixed is the same with low smoke layer 12 that halogen-free low smoke layer 12 is installed.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

It should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. indicate the orientation or positional relationship based on the orientation or positional relationship 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 in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; in addition, unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly, detachably, 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.

Claims

1. The utility model provides a fire-retardant flexible fireproof cable conductor of low smoke and zero halogen, includes conductor (1), its characterized in that: the surface of conductor (1) is provided with insulating layer (2), the surface of insulating layer (2) is provided with first shielding layer (3), the surface of first shielding layer (3) is connected with second shielding layer (6), the inside packing of second shielding layer (6) has glass silk filling layer (4), spacing hole (5) have been seted up to the inside of glass silk filling layer (4), the surface of second shielding layer (6) is provided with isolation layer (7), the surface of isolation layer (7) is provided with weaves armor (8), the surface of weaving armor (8) is provided with first high fire-retardant halogen-free low smoke fire-retardant layer (9), the surface of first high fire-retardant halogen-free low smoke fire-retardant layer (9) is provided with frame empty layer (10), louvre (11) have been seted up to the inside of frame empty layer (10).

2. The low-smoke halogen-free flame-retardant flexible fireproof cable conductor according to claim 1, characterized in that: the insulation layer (2) is fixedly connected with the conductor (1), the thickness of the insulation layer (2) is 2-3mm, and the first shielding layer (3) is fixedly connected with the insulation layer (2).

3. The low-smoke halogen-free flame-retardant flexible fireproof cable conductor according to claim 2, characterized in that: the number of the conductors (1) is four, the conductors (1) are embedded in the limiting holes (5) in a clamped mode, and the conductors (1) are fixed with the glass fiber filling layer (4) through the insulating layer (2) and the first shielding layer (3).

4. The low-smoke halogen-free flame-retardant flexible fireproof cable conductor according to claim 3, characterized in that: the second shielding layer (6) is fixedly connected with the glass fiber filling layer (4) and the isolation layer (7), the woven armor layer (8) is fixedly connected with the isolation layer (7), and the woven armor layer (8) is formed by weaving steel wires.

5. The low-smoke halogen-free flame-retardant flexible fireproof cable conductor according to claim 1, characterized in that: the first high-flame-retardance halogen-free low-smoke flame-retardant layer (9) comprises a braided reinforcing layer, the braided reinforcing layer is formed by braiding high-flame-retardance carbon fibers, the outer surface of the braided reinforcing layer is coated with a fireproof layer, the inner surface of the braided reinforcing layer is coated with a flame-retardant layer, and the temperature-resistant grade of the first high-flame-retardance halogen-free low-smoke flame-retardant layer (9) is larger than or equal to 1500 ℃.

6. The low-smoke halogen-free flame-retardant flexible fireproof cable conductor according to claim 5, characterized in that: fixed connection between overhead layer (10) and first high fire-retardant halogen-free low smoke flame retardant layer (9), louvre (11) run through in overhead layer (10), the quantity of louvre (11) is a plurality of, louvre (11) are the equidistant range of annular along the inside on overhead layer (10).

7. The low smoke zero halogen flame retardant flexible fireproof cable conductor of claim 6, characterized in that: the fixed surface of aerial layer (10) installs the high fire-retardant halogen-free low smoke flame retardant layer of second (12), the structure of the high fire-retardant halogen-free low smoke flame retardant layer of second (12) is the same with the halogen-free low smoke flame retardant layer of first high fire-retardant (9), the fixed surface of the high fire-retardant halogen-free low smoke flame retardant layer of second (12) installs low smoke zero halogen oversheath (13).