CN213339752U

CN213339752U - High-temperature-resistant insulated cable

Info

Publication number: CN213339752U
Application number: CN202021799292.7U
Authority: CN
Inventors: 张国胜
Original assignee: Wanjiang Xiamen Cable Co ltd
Current assignee: Wanjiang Xiamen Cable Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-06-01
Anticipated expiration: 2030-08-25

Abstract

The utility model provides a high temperature resistant insulated cable can include: an outer jacket layer; the waterproof layer is arranged on the inner side of the outer sheath layer; the glass fiber fireproof layer is arranged on the inner side of the waterproof layer; the mica tape insulating layer is arranged on the inner side of the glass fiber fireproof layer; the isolation sleeve is arranged on the inner side of the mica tape insulating layer and comprises an inner sleeve and a partition plate arranged on the inner sleeve, the inner sleeve and the partition plate are made of silicon rubber materials, and high-temperature-resistant fiber yarns which are lapped in an overlapped mode are wrapped on the outer side of the isolation sleeve; and the wire core is arranged in the inner sleeve and between the mica tape insulating layer and the isolation sleeve. The utility model discloses high temperature resistant insulated cable is provided with glass silk flame retardant coating, mica tape insulating layer, can effectively improve cable thermal-insulated, heat-resisting ability, and the protection cable does not receive the injury of high temperature.

Description

High-temperature-resistant insulated cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a high temperature resistant insulated cable.

Background

Cables are generally rope-like cables made by stranding several wires or groups of wires, each group insulated from the other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The cable has the characteristics of internal electrification and external insulation. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.

Most of the cables in the current market have poor flame retardant property, cannot well prevent the spread of fire, have poor high temperature resistance and influence the service life of the cables. Accordingly, one skilled in the art provides a high temperature resistant insulated cable to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to solving the above-described problems. An object of the utility model is to provide a high temperature resistant insulated cable among the above problem of solution.

A high temperature resistant insulated cable may include: an outer jacket layer; the waterproof layer is arranged on the inner side of the outer sheath layer; the glass fiber fireproof layer is arranged on the inner side of the waterproof layer; the mica tape insulating layer is arranged on the inner side of the glass fiber fireproof layer; the isolation sleeve is arranged on the inner side of the mica tape insulating layer and comprises an inner sleeve and a partition plate arranged on the inner sleeve, the inner sleeve and the partition plate are made of silicon rubber materials, and high-temperature-resistant fiber yarns which are lapped in an overlapped mode are wrapped on the outer side of the isolation sleeve; and the wire core is arranged in the inner sleeve and between the mica tape insulating layer and the isolation sleeve.

Preferably, the outer sheath layer can be prepared by low-smoke halogen-free flame-retardant irradiation cross-linked polyolefin.

Preferably, the waterproof layer may be silicone rubber.

Preferably, the partition plates may include at least three, and the adjacent two partition plates are equally spaced.

Preferably, the wire core may be formed by stranding a plurality of nickel-plated copper conductors.

Preferably, the high temperature resistant insulated cable may further include: the heat dissipation holes are formed in the side wall of the outer sheath layer.

Preferably, the high temperature resistant insulated cable may further include: and the thin steel wires are arranged between the waterproof layer and the glass fiber fireproof layer.

The utility model discloses high temperature resistant insulated cable has following technological effect:

1. the high-temperature-resistant insulated cable is provided with the isolating sleeve of the high-temperature-resistant fiber yarns, so that the overall high-temperature resistance and mechanical performance of the cable are improved;

2. according to the high-temperature-resistant insulated cable, the glass fiber fireproof layer plays roles in reflecting light, insulating heat, resisting high temperature and absorbing heat, and the cable is protected from being damaged by high temperature; the mica tape insulating layer is high-temperature resistant, so that external high temperature can be prevented from radiating to the cable core, meanwhile, redundant heat is absorbed, and the invasion of heat energy is reduced;

3. the outer sheath layer of the high-temperature-resistant insulated cable is provided with the heat dissipation holes, so that the heat dissipation capacity of the cable can be improved, and the influence of high temperature on the electric conductivity of the cable is prevented;

4. the high-temperature-resistant insulated cable has high tensile strength, impact strength, water resistance, corrosion resistance, creep resistance, wear resistance and mechanical property.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.

Fig. 1 exemplarily shows a structure diagram of the high temperature resistant insulated cable of the present invention.

In the figure:

10. an outer jacket layer; 20. a waterproof layer; 30. a fiberglass fire barrier; 40. a mica tape insulating layer; 50. an isolation sleeve; 51. an inner sleeve; 52. a partition plate; 53. high temperature resistant fiber yarn; 60. a wire core; 61. a nickel-plated copper conductor; 11. heat dissipation holes; 70. thin steel wires.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The high temperature resistant insulated cable will be described in detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1, an object of the present invention is to provide a high temperature resistant insulated cable, which may include:

an outer jacket layer 10; a waterproof layer 20 disposed inside the outer sheath layer 10; a glass fiber fireproof layer 30 disposed inside the waterproof layer 20; a mica tape insulating layer 40 arranged on the inner side of the glass fiber fireproof layer 30; the isolation sleeve 50 is arranged on the inner side of the mica tape insulating layer 40 and comprises an inner sleeve 51 and a partition plate 52 arranged on the inner sleeve 51, the inner sleeve 51 and the partition plate 52 are made of silicon rubber, and high-temperature resistant fiber yarns 53 which are lapped and lapped are wrapped on the outer side of the isolation sleeve 50; and a wire core 60 arranged in the inner sleeve 51 and between the mica tape insulating layer 40 and the isolation sleeve 50.

In order to improve the flame retardant ability, the outer sheath layer 10 may be prepared from low-smoke halogen-free flame retardant radiation cross-linked polyolefin.

Generally, the waterproof layer 20 may be silicone rubber.

In practical applications, the partition plates 52 may include at least three partition plates 52, and the adjacent two partition plates 52 are spaced apart from each other equally.

In a preferred embodiment, the wire core 60 may be stranded from a plurality of nickel plated copper conductors 61.

In order to improve the heat dissipation capability, the high temperature resistant insulated cable may further include: and the heat dissipation holes 11 are formed in the side wall of the outer sheath layer 10.

In order to improve the mechanical properties thereof, the high temperature resistant insulated cable may further include: and a plurality of fine steel wires 70 disposed between the waterproof layer 20 and the glass fiber fireproof layer 30.

This high temperature resistant insulated cable of application is provided with glass silk flame retardant coating, mica tape insulating layer, can effectively improve the cable and insulate against heat, heat-resisting ability, and the protection cable does not receive the injury of high temperature, and is provided with the louvre on the oversheath layer, can improve the heat-sinking ability of cable, prevents that high temperature from influencing the electric conductive property of cable, has improved the life of cable.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.

The above embodiments are merely for illustrating the technical solutions of the present invention and are not to be construed as limiting, and the present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all the modifications and equivalents should be covered by the scope of the claims of the present invention.

Claims

1. A high temperature resistant insulated cable, comprising:

an outer jacket layer (10);

a waterproof layer (20) arranged on the inner side of the outer sheath layer (10);

the glass fiber fireproof layer (30) is arranged on the inner side of the waterproof layer (20);

the mica tape insulating layer (40) is arranged on the inner side of the glass fiber fireproof layer (30);

the isolation sleeve (50) is arranged on the inner side of the mica tape insulating layer (40) and comprises an inner sleeve (51) and a partition plate (52) arranged on the inner sleeve (51), the inner sleeve (51) and the partition plate (52) are made of silicon rubber materials, and high-temperature-resistant fiber yarns (53) which are lapped and lapped are wrapped on the outer side of the isolation sleeve (50);

and the wire core (60) is arranged in the inner sleeve (51) and between the mica tape insulating layer (40) and the isolating sleeve (50).

2. The high temperature resistant insulated cable of claim 1,

the outer sheath layer (10) is prepared from low-smoke halogen-free flame-retardant irradiation cross-linked polyolefin.

3. The high temperature resistant insulated cable of claim 1,

the waterproof layer (20) is made of silicon rubber.

4. The high temperature resistant insulated cable of claim 1,

the partition plates (52) comprise at least three, and the distance between every two adjacent partition plates (52) is equal.

5. The high temperature resistant insulated cable of claim 1,

the wire core (60) is formed by stranding a plurality of nickel-plated copper conductors (61).

6. The high temperature resistant insulated cable of claim 1, further comprising:

the heat dissipation hole (11) is formed in the side wall of the outer sheath layer (10).

7. The high temperature resistant insulated cable of claim 1, further comprising:

and the plurality of thin steel wires (70) are arranged between the waterproof layer (20) and the glass fiber fireproof layer (30).