CN216928082U

CN216928082U - Wire and cable with high flame retardance

Info

Publication number: CN216928082U
Application number: CN202123341911.5U
Authority: CN
Inventors: 刘信化; 刘京; 李祖飞
Original assignee: Shanghai Wempe Gradually Cable Co ltd
Current assignee: Shanghai Wempe Gradually Cable Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-07-08
Anticipated expiration: 2031-12-28

Abstract

The utility model relates to the technical field of electric wires and cables, in particular to an electric wire and cable with high flame retardance, which comprises wires, wherein an insulating layer is arranged outside the wires, four wires are arranged, a heat conducting layer is jointly arranged outside the four wires, a baffle is arranged between two adjacent wires and is in a cross shape, a heat insulating layer is arranged outside the heat conducting layer, the end part of the baffle penetrates through the heat conducting layer and is fixedly connected with the inner wall of the heat insulating layer, a gap of 0.2-0.5 mm is reserved between the heat conducting layer and the heat conducting layer, a flame retarding component is arranged outside the heat insulating layer and comprises a first flame retarding layer, a second flame retarding layer, a third flame retarding layer and a fourth flame retarding layer, and the flame retardance of the electric wire and cable is enhanced by arranging the flame retarding layer, therefore, the application range of the wire and cable is expanded while the requirement of people on the performance of the wire and cable is met, and the protective layer is arranged outside the flame-retardant component so as to protect the flame-retardant component and prolong the service life of the flame-retardant component.

Description

Wire and cable with high flame retardance

Technical Field

The utility model relates to the technical field of electric wires and cables, in particular to an electric wire and cable with high flame retardance.

Background

The wire and cable is used for transmitting electric energy, information and realizing wire products of electromagnetic energy conversion, and is an aggregate consisting of the following parts: one or more insulated wire cores, and a coating layer, a total protective layer and an outer protective layer which may be respectively arranged on the insulated wire cores, and the cable can also be provided with additional conductors without insulation, and with the continuous development and progress of the society, the safety consciousness of people is gradually increased, so that the requirements of people on the performance of the wire cable are higher and higher.

SUMMERY OF THE UTILITY MODEL

In order to remedy the above disadvantage, the present invention provides an electric wire cable having high flame retardancy.

The technical scheme of the utility model is as follows:

the utility model provides an electric wire and cable with high fire-retardant, includes the wire, the outside of wire is equipped with the insulating layer, the wire is equipped with four, four the outside of wire is equipped with the heat-conducting layer jointly, adjacent two establish the baffle between the wire, the baffle is cross shape, the outside of heat-conducting layer is equipped with the insulating layer, the tip of baffle pass the heat-conducting layer and with the inner wall fixed connection of insulating layer, the insulating layer with leave 0.2-0.5 millimeter's space between the heat-conducting layer, the outside of insulating layer is equipped with fire-retardant subassembly, fire-retardant subassembly includes first fire-retardant layer, the fire-retardant layer of second, the fire-retardant layer of third and the fire-retardant layer of fourth.

As a preferred technical scheme, the outer wall of the insulating layer is fixedly connected with the baffle, and a rubber layer is arranged on the outer wall of the baffle.

According to the preferable technical scheme, the outer wall of one side, away from the baffle, of the insulating layer is fixedly connected with the heat conducting layer, heat conducting silicone grease is arranged in a gap between the insulating layer and the heat conducting layer, and heat conducting silicone grease is also arranged in a gap between the baffle and the heat conducting layer.

According to a preferable technical scheme, a protective layer is arranged outside the flame-retardant component and is made of a thermoplastic polyurethane elastomer material.

As a preferable technical scheme, flame-retardant acrylic adhesives are arranged between the second flame-retardant layer and the first and third flame-retardant layers.

As a preferable technical scheme, temperature-resistant acrylate pressure-sensitive adhesive is arranged between the third flame-retardant layer and the fourth flame-retardant layer.

As a preferable technical scheme, the heat insulation layer is made of a rubber sponge material.

Compared with the prior art, the utility model has the beneficial effects that:

1. the flame-retardant component is provided with the flame-retardant layer so as to enhance the flame retardance of the electric wire and the electric cable, so that the application range of the electric wire and the electric cable is expanded while the requirements of people on the performance of the electric wire and the electric cable are met, and the protective layer is arranged outside the flame-retardant component so as to protect the flame-retardant component and prolong the service life of the flame-retardant component.

2. The heat-conducting layer is arranged on the heat-insulating layer, and the heat-conducting layer is arranged on the heat-insulating layer.

Drawings

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

FIG. 2 is a partial schematic structural view of the present invention;

FIG. 3 is a cross-sectional view of a flame retardant layer of the present invention;

fig. 4 is a partial structure schematic diagram of the present invention after a partial structure is cut.

The meaning of the individual reference symbols in the figures is:

a wire 1; an insulating layer 11; a heat conducting layer 2; a heat insulation layer 3; a flame retardant component 4; a first flame retardant layer 41; a second flame retardant layer 42; a third flame retardant layer 43; a fourth flame retardant layer 44; a protective layer 5; a baffle 6.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an electric wire and cable with high fire-retardant, including wire 1, the outside of wire 1 is equipped with insulating layer 11, wire 1 is equipped with four, the outside of four wires 1 is equipped with heat-conducting layer 2 jointly, establish baffle 6 between two adjacent wires 1, baffle 6 is cross shape, the outside of heat-conducting layer 2 is equipped with insulating layer 3, the tip of baffle 6 pass heat-conducting layer 2 and with the inner wall fixed connection of insulating layer 3, leave 0.2-0.5 millimeter's space between insulating layer 3 and the heat-conducting layer 2, the outside of insulating layer 3 is equipped with fire-retardant subassembly 4, fire-retardant subassembly 4 includes first fire-retardant layer 41, the fire-retardant layer 42 of second, fire-retardant layer 43 of third and the fire-retardant layer 44 of fourth.

It should be added that the first flame-retardant layer 41 is made of glass fiber, and can realize flame retardance due to good electrical insulation, heat insulation and fire resistance, the second flame-retardant layer 42 is made of antimony trioxide, the third flame-retardant layer 43 is made of magnesium hydroxide, and the fourth flame-retardant layer 44 is made of zinc borate.

Preferably, the outer wall of the insulating layer 11 is fixedly connected with the baffle 6, and the outer wall of the baffle 6 is provided with a rubber layer, so as to reduce the abrasion of the baffle 6 on the outer wall of the insulating layer 11.

As the optimization of this embodiment, the outer wall that the baffle 6 one side is kept away from to insulating layer 11 and heat-conducting layer 2 fixed connection, be equipped with heat conduction silicone grease in the space between insulating layer 11 and the heat-conducting layer 2, also be equipped with heat conduction silicone grease in the space between baffle 6 and the heat-conducting layer 2, through addding heat conduction silicone grease to reinforcing insulating layer 11 and baffle 6 with heat transfer to heat-conducting layer 2 on, thereby improve the radiating efficiency of insulating layer 11 and baffle 6.

Preferably, the outer part of the flame retardant component 4 is provided with a protective layer 5, and the protective layer 5 is made of thermoplastic polyurethane elastomer material.

It is worth to be noted that the thermoplastic polyurethane elastomer material has excellent characteristics of high tension, high tensile force, toughness and aging resistance, has the incomparable characteristics of high strength, good toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance and the like compared with other plastic materials, and also has excellent functions of high waterproofness, moisture permeability, wind resistance, cold resistance, bacteria resistance, mildew resistance, warmth retention, ultraviolet resistance, energy release and the like, so that the surface protection of the components such as the flame-retardant component 4 and the like can be realized, and the service life of the components such as the flame-retardant component 4 and the like can be prolonged.

Preferably, a flame-retardant acrylic adhesive is disposed between the second flame-retardant layer 42 and the first and third flame-

retardant layers

41 and 43, so as to enhance the adhesion between the second flame-retardant layer 42 and the first and third flame-

retardant layers

41 and 43 by adding the flame-retardant acrylic adhesive, and meanwhile, the flame-retardant acrylic adhesive has a certain flame retardancy so as to enhance the overall flame retardancy of the flame-retardant component 4.

Preferably, a temperature-resistant acrylate pressure-sensitive adhesive is disposed between the third flame-retardant layer 43 and the fourth flame-retardant layer 44, and the temperature-resistant acrylate pressure-sensitive adhesive is additionally disposed to enhance the tightness between the third flame-retardant layer 43 and the fourth flame-retardant layer 44, wherein the first flame-retardant layer 41, the second flame-retardant layer 42, the third flame-retardant layer 43, and the fourth flame-retardant layer 44 are sequentially arranged from inside to outside.

In the present embodiment, the heat insulating layer 3 is preferably made of a rubber sponge material, and the sponge rubber is a porous structure material having pores extending over the entire material, and has a low density, excellent elasticity and flexibility, and high shock absorbing, sound insulating, and heat insulating properties.

When the electric wire and cable with high flame retardance are used, the first flame-retardant layer 41 made of glass fibers, the second flame-retardant layer 42 made of antimony trioxide, the third flame-retardant layer 43 made of magnesium hydroxide and the fourth flame-retardant layer 44 made of zinc borate have good flame retardance, so that the flame retardance of the electric wire and cable is enhanced, part of heat generated in the working process of the lead 1 is transferred to the heat conducting layer 2 through the insulating layer 11, a little of heat is transferred to the heat insulating layer 3 through the baffle 6, the heat insulating layer 3 isolates the heat, meanwhile, a gap between the heat conducting layer 2 and the heat insulating layer 3 can delay the heat to be transferred to the outside, and the heat insulating layer 3 can reduce the external temperature to be transferred to the lead 1, so that the lead 1 is protected, and the influence of high-temperature weather on the use of the lead 1 is avoided.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A wire cable with high flame retardance, comprising a conductor (1), the outside of the conductor (1) is provided with an insulating layer (11), characterized in that: wire (1) is equipped with four, four the outside of wire (1) is equipped with heat-conducting layer (2) jointly, adjacent two establish baffle (6) between wire (1), baffle (6) are cross shape, the outside of heat-conducting layer (2) is equipped with insulating layer (3), the tip of baffle (6) is passed heat-conducting layer (2) and with the inner wall fixed connection of insulating layer (3), insulating layer (3) with leave 0.2-0.5 millimeter's space between heat-conducting layer (2), the outside of insulating layer (3) is equipped with fire-retardant subassembly (4), fire-retardant subassembly (4) include first fire-retardant layer (41), second fire-retardant layer (42), third fire-retardant layer (43) and fourth fire-retardant layer (44).

2. The electric wire cable with high flame retardancy according to claim 1, wherein: the outer wall of the insulating layer (11) is fixedly connected with the baffle (6), and a rubber layer is arranged on the outer wall of the baffle (6).

3. The electric wire cable with high flame retardancy according to claim 1, wherein: keep away from insulating layer (11) the outer wall of baffle (6) one side with heat-conducting layer (2) fixed connection, insulating layer (11) with be equipped with heat conduction silicone grease in the space between heat-conducting layer (2), baffle (6) with also be equipped with heat conduction silicone grease in the space between heat-conducting layer (2).

4. The electric wire cable with high flame retardancy according to claim 1, wherein: the flame retardant module is characterized in that a protective layer (5) is arranged outside the flame retardant module (4), and the protective layer (5) is made of a thermoplastic polyurethane elastomer material.

5. The electric wire cable with high flame retardancy according to claim 1, wherein: and flame-retardant acrylic adhesives are arranged between the second flame-retardant layer (42) and the first flame-retardant layer (41) and between the second flame-retardant layer and the third flame-retardant layer (43).

6. The electric wire cable with high flame retardancy according to claim 1, wherein: and a temperature-resistant acrylate pressure-sensitive adhesive is arranged between the third flame-retardant layer (43) and the fourth flame-retardant layer (44).

7. The electric wire cable with high flame retardancy according to claim 1, wherein: the heat insulation layer (3) is made of rubber sponge materials.