CN213042707U - Novel high flame-retardant high-temperature-resistant cable - Google Patents

Abstract

The utility model provides a novel high fire-retardant high temperature resistant cable can include: the framework comprises three fan rings, wherein an opening of any fan ring faces outwards, an included angle alpha between the openings of every two adjacent fan rings is 120 degrees, and the fan rings are made of silicon rubber; the insulating wire core is arranged in the fan ring; the mica tape wrapping layer is arranged on the outer side of the framework and on the outer side of the insulating wire core; the quartz fiber silk covering layer is arranged on the outer side of the mica tape wrapping layer; the steel wire armor layer is arranged on the outer side of the quartz fiber cladding; the protective sheath sets up in the steel wire armor outside, and the protective sheath is the silicon rubber material. The utility model discloses high fire-retardant high temperature resistant cable adopts high temperature resistant mica tape around covering, quartz fiber silk covering, improves the cable and insulates against heat, heat-resisting ability, and the protection cable does not receive the injury of high temperature.

Description

Novel high flame-retardant high-temperature-resistant cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a novel high fire-retardant high temperature resistant cable.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. 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, those skilled in the art have provided a novel high flame-retardant and high temperature-resistant cable to solve the above-mentioned problems in the background art.

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 solve a novel high fire-retardant high temperature resistant cable in the above problem.

A novel high flame retardant high temperature resistant cable may include: the framework comprises three fan rings, wherein an opening of any fan ring faces outwards, an included angle alpha between the openings of every two adjacent fan rings is 120 degrees, and the fan rings are made of silicon rubber; the insulating wire core is arranged in the fan ring; the mica tape wrapping layer is arranged on the outer side of the framework and on the outer side of the insulating wire core; the quartz fiber silk covering layer is arranged on the outer side of the mica tape wrapping layer; the steel wire armor layer is arranged on the outer side of the quartz fiber cladding; the protective sheath sets up in the steel wire armor outside, and the protective sheath is the silicon rubber material.

Preferably, the sector ring opening may have a section central angle β equal to 90 ° -180 °.

Preferably, the fan ring shapes and sizes may be equal.

Preferably, the insulated wire core may comprise a conductor and an insulating layer coated outside the conductor.

Preferably, the conductor can be made of a plurality of oxygen-free copper wires by stranding.

Preferably, the mica tape wrapping layer can be formed by bonding mica sheets with a glass fiber cloth substrate.

Preferably, the skeleton may further include: and the grounding wire core is arranged among the three fan rings.

Preferably, the novel high flame-retardant and high temperature-resistant cable may further include: and the coolant is arranged between the framework and the mica tape wrapping layer.

The utility model discloses high fire-retardant high temperature resistant cable has following technological effect:

1. according to the novel high-flame-retardant high-temperature-resistant cable, the three fan rings form the framework, so that a high-efficiency heat conduction path can be formed inside the cable, and the internal environment temperature of the cable core is balanced;

2. according to the novel high-flame-retardant high-temperature-resistant cable, the firmness of the cable is enhanced under the condition that the outer diameter of the cable is not increased by the silicon rubber framework, and the cable is more resistant to dragging; the framework and the protective sleeve are made of silicon rubber, so that the fireproof and high-temperature resistant performances are good;

3. the utility model provides a novel high fire-retardant high temperature resistant cable adopts the mica tape around covering, quartz fiber silk covering, and it has higher dielectric constant, and electric capacity exceeds 300PF, effectively improves the flame retardant property of cable.

Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.

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 flame retardant and high temperature resistant cable of the present invention;

fig. 2 exemplarily shows the framework structure diagram of the present invention.

In the figure:

10. a framework; 11. a fan ring; 20. an insulated wire core; 30. a mica tape lapping layer; 40. a quartz fiber filament cladding; 50. a steel wire armor layer; 60. a protective sleeve; 21. a conductor; 22. an insulating layer; 12. a grounding wire core; 13. a coolant.

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 novel high-flame-retardant and high-temperature-resistant cable is described in detail below with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1-2, an object of the present invention is to provide a novel high flame retardant and high temperature resistant cable, which may include:

the framework 10 comprises three fan rings 11, wherein an opening of any fan ring 11 faces outwards, an included angle alpha between the openings of two adjacent fan rings 11 is 120 degrees, and the fan rings 11 are made of silicon rubber; the insulating wire core 20 is arranged in the fan ring 11; the mica tape wrapping layer 30 is arranged on the outer side of the framework 10 and on the outer side of the insulated wire core 20; the quartz fiber silk cladding 40 is arranged outside the mica tape wrapping layer 30; a steel wire armor layer 50 disposed outside the quartz fiber cladding 40; and the protective sleeve 60 is arranged on the outer side of the steel wire armor layer 50, and the protective sleeve 60 is made of silicon rubber.

In particular, the sector ring 11 may open with a section central angle β equal to 90 ° -180 °.

In practice, the fan rings 11 may be of equal shape and size.

To improve the insulation, the insulated wire core 20 may include a conductor 21 and an insulating layer 22 covering the conductor 21.

In a preferred embodiment, the conductor 21 may be made of a plurality of strands of oxygen-free copper wire.

To improve the flame retardancy, the mica tape wrapping layer 30 may be formed of a glass fiber cloth substrate bonded with mica sheets.

In a specific application, the framework 10 may further include: and the grounding wire core 12 is arranged among the three fan rings 11.

In order to improve the heat insulation and heat resistance of the cable, the novel high-flame-retardant and high-temperature-resistant cable can further comprise:

and a coolant 13 disposed between the skeleton 10 and the mica tape wrapping layer 30.

The utility model provides a novel high fire-retardant high temperature resistant cable adopts high temperature resistant mica tape around covering, quartz fiber silk covering, improves the cable and insulates against heat, heat-resisting ability, and the protection cable does not receive the injury of high temperature. And the cable has excellent physical and mechanical properties, electrical insulation property, heat resistance, chemical medium corrosion resistance, impact resistance, irradiation resistance and the like by adopting the rubber framework, the steel wire armor layer and the silicon rubber protective sleeve.

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 (8)

1. A novel high fire-retardant high temperature resistant cable which characterized in that includes:

the framework (10) comprises three fan rings (11), an opening of any fan ring (11) faces outwards, an included angle alpha between the openings of two adjacent fan rings (11) is 120 degrees, and the fan rings (11) are made of silicon rubber;

the insulating wire core (20) is arranged in the fan ring (11);

the mica tape wrapping layer (30) is arranged on the outer side of the framework (10) and on the outer side of the insulating wire core (20);

the quartz fiber silk cladding (40) is arranged on the outer side of the mica tape wrapping layer (30);

a steel wire armor layer (50) arranged outside the quartz fiber cladding (40);

and the protective sleeve (60) is arranged on the outer side of the steel wire armor layer (50), and the protective sleeve (60) is made of silicon rubber.

2. The novel high flame-retardant high temperature-resistant cable according to claim 1,

the section central angle beta of the opening of the fan ring (11) is 90-180 degrees.

3. The novel high flame-retardant high temperature-resistant cable according to claim 1,

the fan rings (11) are equal in shape and size.

4. The novel high flame-retardant high temperature-resistant cable according to claim 1,

the insulated wire core (20) comprises a conductor (21) and an insulating layer (22) coated outside the conductor (21).

5. The novel high flame-retardant high temperature-resistant cable according to claim 4,

the conductor (21) is formed by stranding a plurality of oxygen-free copper wires.

6. The novel high flame-retardant high temperature-resistant cable according to claim 1,

the mica tape wrapping layer (30) is formed by bonding mica sheets on a glass fiber cloth substrate.

7. The novel high flame-retardant and high temperature-resistant cable according to claim 1, wherein the framework (10) further comprises:

and the grounding wire core (12) is arranged among the three fan rings (11).

8. The novel high flame retardant and high temperature resistant cable according to claim 1, further comprising:

a coolant (13) disposed between the skeleton (10) and the mica tape wrapping layer (30).

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