CN219202823U

CN219202823U - Metal sheath inorganic matter insulated cable

Info

Publication number: CN219202823U
Application number: CN202222120451.1U
Authority: CN
Inventors: 王建斌; 夏自然
Original assignee: Shanghai Durant Electronics Co ltd
Current assignee: Shanghai Durant Electronics Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2023-06-16
Anticipated expiration: 2032-08-12

Abstract

The utility model relates to a metal sheath inorganic matter insulated cable, which comprises a cable core, wherein an inorganic matter filling layer is fixed on the outer surface of the cable core, an insulating high-temperature resistant component is fixed on the outer surface of the inorganic matter filling layer, a protection component is fixed on the outer surface of the insulating high-temperature resistant component, the insulating high-temperature resistant component comprises a first insulating layer fixed on the outer surface of the inorganic matter filling layer, a second insulating layer is fixed on the outer surface of the first insulating layer, a first high-temperature resistant layer is fixed on the outer surface of the second insulating layer, and a second high-temperature resistant layer is fixed on the outer surface of the first high-temperature resistant layer. This inorganic matter insulated cable of metal sheath through being provided with insulating high temperature resistant subassembly, can strengthen insulated cable's high temperature resistance to also can strengthen the insulating nature of cable, in order to prevent that the cable from working under high temperature environment, cause the incident, and through the protection subassembly, can protect the cable, and can strengthen the intensity of cable, strengthen the life of cable.

Description

Metal sheath inorganic matter insulated cable

Technical Field

The utility model relates to the technical field of cables, in particular to a metal sheath inorganic matter insulated cable.

Background

The cable is an electric energy or signal transmission device, and is usually formed by combining several or unit wires, and is divided into a direct current cable and an alternating current cable, wherein the direct current cable is a series cable between components, and parallel cables between groups and a direct current distribution box.

The cable is an indispensable material in the power and signal transmission process, and is an indispensable material in daily life along with the gradual improvement of living standard, and because the cable is used for transmitting power or signals, the outer surface of the cable is covered with an insulating layer to prevent accidents of electric leakage, short circuit and electric shock caused by contact with the outside, and at present, the insulating cable is poor in high temperature resistance, particularly when used in high temperature weather and environment, safety accidents can be caused, and certain potential safety hazards exist, so that the metal-sheath inorganic insulating cable is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the metal sheath inorganic matter insulated cable which has the advantages of enhancing the high temperature resistance of the cable and the like and solves the problem of poor high temperature resistance.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the inorganic matter insulated cable with the metal sheath comprises a cable core, wherein an inorganic matter filling layer is fixed on the outer surface of the cable core, an insulating high-temperature-resistant component is fixed on the outer surface of the inorganic matter filling layer, and a protection component is fixed on the outer surface of the insulating high-temperature-resistant component;

the insulating high temperature resistant assembly comprises a first insulating layer fixed with the outer surface of the inorganic filling layer, a second insulating layer is fixed on the outer surface of the first insulating layer, a first high temperature resistant layer is fixed on the outer surface of the second insulating layer, and a second high temperature resistant layer is fixed on the outer surface of the first high temperature resistant layer.

Further, the cable core is a copper core, and the inorganic matter filling layer is magnesium oxide.

Further, the first insulating layer is a glass fiber insulating layer, and the second insulating layer is a mica sheet.

Further, the first high temperature resistant layer is a mica tape, and the second high temperature resistant layer is asbestos.

Further, the protection component comprises a protection sleeve fixed with the outer surface of the second high-temperature resistant layer, and a wear-resistant layer is fixed on the outer surface of the protection sleeve.

Further, the protective sleeve is a metal protective sleeve, and the wear-resistant layer is wear-resistant paint.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this inorganic matter insulated cable of metal sheath through being provided with insulating high temperature resistant subassembly, can strengthen insulated cable's high temperature resistance to also can strengthen the insulating nature of cable, in order to prevent that the cable from working under high temperature environment, cause the incident, and through the protection subassembly, can protect the cable, and can strengthen the intensity of cable, strengthen the life of cable.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of an insulating refractory component of the present utility model;

fig. 3 is a schematic structural view of the protection component of the present utility model.

In the figure: 1 cable core, 2 inorganic matter filling layer, 3 insulating high temperature resistant subassembly, 301 first insulating layer, 302 second insulating layer, 303 first high temperature resistant layer, 304 second high temperature resistant layer, 4 protective component, 401 lag, 402 wearing layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, an inorganic insulated cable with a metal sheath in this embodiment includes a cable core 1, an inorganic filling layer 2 is fixed on an outer surface of the cable core 1, the cable core 1 is a copper core, the inorganic filling layer 2 is magnesium oxide, which is an inorganic substance with good fire-resistant and insulating properties, an insulating high temperature resistant component 3 is fixed on an outer surface of the inorganic filling layer 2, and a protective component 4 is fixed on an outer surface of the insulating high temperature resistant component 3.

Referring to fig. 1-2, the insulating refractory component 3 in this embodiment includes a first insulating layer 301 fixed to an outer surface of the inorganic filler layer 2, a second insulating layer 302 fixed to an outer surface of the first insulating layer 301, a first refractory layer 303 fixed to an outer surface of the second insulating layer 302, and a second refractory layer 304 fixed to an outer surface of the first refractory layer 303.

Meanwhile, the first insulating layer 301 is a glass fiber insulating layer, is an inorganic nonmetallic material, has good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, and the second insulating layer 302 is a mica sheet, has good insulativity and low-damage thermal resistance, and can enhance the insulativity of the cable and also enhance the thermal resistance of the cable with the first insulating layer 301.

The first high temperature resistant layer 303 is a mica tape, has better high temperature resistance, has better combustion resistance, can enhance the high temperature resistance of the cable, and the second high temperature resistant layer 304 is asbestos, has better electrical insulation, has higher tensile strength, high flexibility, chemical resistance and thermal erosion resistance, can also enhance the high temperature resistance of the cable, and can also improve the electrical insulation, tensile strength and corrosion resistance of the cable.

The insulating high temperature resistant assembly 3 in the present embodiment can enhance the insulating performance of the cable by the first insulating layer 301 and the second insulating layer 302, and can pass the electrical insulating performance of the cable by the second high temperature resistant layer 304.

Referring to fig. 1 and 3, the protection component 4 in this embodiment includes a protection sleeve 401 fixed to the outer surface of the second high temperature resistant layer 304, and an abrasion resistant layer 402 is fixed to the outer surface of the protection sleeve 401.

Wherein, the lag 401 is the metal lag, can strengthen the intensity of cable to protect the cable, wearing layer 402 is wear-resisting coating, has better wear resistance, can pass through the wearability and the life of lag 401.

The protection component 4 in the embodiment protects the cable through the protection sleeve 401 and enhances the strength of the cable.

The working principle of the embodiment is as follows:

when the cable core is used, the fire resistance and the insulation performance of the cable core 1 can be enhanced through the inorganic matter filling layer 2, the insulation performance of the cable can be enhanced through the first insulation layer 301, the heat resistance, the corrosion resistance and the mechanical strength of the cable can be enhanced, the insulation performance of the cable can be enhanced through the second insulation layer 302, the heat resistance of the cable can be enhanced through the first high temperature resistant layer 303 and the second high temperature resistant layer 304, the heat resistance, the electrical insulation performance, the tensile strength and the corrosion performance of the cable can be enhanced through the second high temperature resistant layer 304, the cable is protected through the protective sleeve 401, the strength of the cable can be enhanced due to the fact that the protective sleeve 401 is a metal protective sleeve, the wear resistance of the protective sleeve 401 is enhanced through the wear-resistant layer 402, the service life of the protective sleeve 401 is guaranteed, and meanwhile the service life of the cable is also enhanced.

It is noted that relational terms such as first and second, and the like are 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. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, 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 process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a metal sheath inorganic matter insulated cable, includes cable core (1), its characterized in that: an inorganic matter filling layer (2) is fixed on the outer surface of the cable core (1), an insulating high-temperature-resistant component (3) is fixed on the outer surface of the inorganic matter filling layer (2), and a protection component (4) is fixed on the outer surface of the insulating high-temperature-resistant component (3);

the insulating high temperature resistant assembly (3) comprises a first insulating layer (301) fixed with the outer surface of the inorganic filling layer (2), a second insulating layer (302) is fixed on the outer surface of the first insulating layer (301), a first high temperature resistant layer (303) is fixed on the outer surface of the second insulating layer (302), and a second high temperature resistant layer (304) is fixed on the outer surface of the first high temperature resistant layer (303).

2. A metal-jacketed mineral insulated cable according to claim 1, wherein: the cable core (1) is a copper core, and the inorganic matter filling layer (2) is magnesium oxide.

3. A metal-jacketed mineral insulated cable according to claim 1, wherein: the first insulating layer (301) is a glass fiber insulating layer, and the second insulating layer (302) is a mica sheet.

4. A metal-jacketed mineral insulated cable according to claim 1, wherein: the first high temperature resistant layer (303) is a mica tape, and the second high temperature resistant layer (304) is asbestos.

5. A metal-jacketed mineral insulated cable according to claim 1, wherein: the protection component (4) comprises a protection sleeve (401) fixed with the outer surface of the second high-temperature resistant layer (304), and a wear-resistant layer (402) is fixed on the outer surface of the protection sleeve (401).

6. A metal-jacketed mineral insulated cable according to claim 5, wherein: the protective sleeve (401) is a metal protective sleeve, and the wear-resistant layer (402) is wear-resistant paint.