High-temperature-resistant electric wire

Abstract

The utility model discloses a high-temperature-resistant wire, comprising a high-temperature-resistant outer sleeve and a plurality of inner cores, the high-temperature-resistant outer sleeve is internally sleeved and connected with the plurality of inner cores, a flame-retardant filling layer is filled between the plurality of inner cores and the high-temperature-resistant outer sleeve, and the high-temperature-resistant outer sleeve is composed of a high-flame-retardant insulating layer, a ceramic fireproof layer and a metal shielding layer. A ceramic fireproof layer is fixedly arranged on the outer surface of the metal shielding layer, and a high-flame-retardant insulating layer is fixedly arranged on the outer surface of the ceramic fireproof layer. According to the utility model, through the arrangement of the high-temperature-resistant outer sleeve, the high-temperature-resistant outer sleeve improves the high-temperature-resistant and flame-retardant performance through the cooperation of the high-flame-retardant insulating layer and the ceramic fireproof layer, and through the cooperation of the flame-retardant filling layer, the high-temperature-resistant performance of the cable is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of high-temperature-resistant electric wires, belong to electric wire technical field. BACKGROUND

[0002] Electric wire refers to the wire that transmits electric energy, and the current electric wire is widely used, and the traditional electric wire has poor high-temperature resistance in use.

[0003] According to the disclosure number "CN218768832U", a kind of high-temperature-resistant electric wire is searched, including conductor, the periphery of conductor is provided with tin foil layer, the outside of tin foil layer is provided with silicon rubber insulating layer, the outside of silicon rubber insulating layer is provided with high-temperature-resistant paint layer, high-temperature-resistant paint layer is wrapped by flame-retardant filler, and the whole structure makes it possible to prevent electric wire from directly contacting flame to cause combustion-supporting when fire occurs, reduces the resistance generated when electric wire is bent, and the whole is firm and reliable, not easy to loosen, improves structural stability.

[0004] The above-mentioned electric wire only achieves high-temperature resistance by high-temperature-resistant rubber, but we find that the high-temperature resistance is limited during use, in order to further improve the high-temperature resistance of electric wire, we design a kind of high-temperature-resistant electric wire. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high-temperature-resistant electric wire to solve the problems raised in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: including high-temperature-resistant outer cover and multiple inner cores, the inside of high-temperature-resistant outer cover is connected with multiple inner cores, and the high-temperature-resistant outer cover is composed of high-flame-retardant insulating layer, ceramicized fireproof layer and metal shielding layer, the outer surface of metal shielding layer is fixed with ceramicized fireproof layer, and the outer surface of ceramicized fireproof layer is fixed with high-flame-retardant insulating layer.

[0007] In the above-mentioned high-temperature-resistant electric wire, the inner core includes crosslinked insulating layer, multiple metal conductors, mineral mica layer and isolation layer, the surface of multiple metal conductors is fixed with isolation layer, the surface of isolation layer is fixed with mineral mica layer, and the outer surface of mineral mica layer is fixed with crosslinked insulating layer.

[0008] In the above-mentioned high-temperature-resistant electric wire, the crosslinked insulating layer is polyethylene material, the mineral mica layer is mineral mica, and the isolation layer is copper.

[0009] In the above-mentioned high-temperature-resistant electric wire, the surface of high-temperature-resistant outer cover is fixed with braided sheath.

[0010] In the high-temperature-resistant electric wire, the high-flame-retardant insulation layer is flame-retardant rubber, the ceramicized fireproof layer is composite silicone rubber, and the metal shielding layer is aluminum foil.

[0011] In the high-temperature-resistant electric wire, the braided sheath is braided glass fiber, and the flame-retardant filling layer is flame-retardant rubber.

[0012] Compared with the prior art, the cable has the advantages that: the high-temperature-resistant electric wire has high-temperature-resistant and flame-retardant properties due to the high-flame-retardant insulation layer and the ceramicized fireproof layer, and the high-temperature-resistant property of the electric wire is improved due to the flame-retardant filling layer. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 FIG. 1 is a structural schematic view of the high-temperature-resistant electric wire;

[0014] Fig. 2 FIG. 2 is an end surface structural schematic view of the high-temperature-resistant electric wire;

[0015] Fig. 3 FIG. 3 is a cross-sectional structural schematic view of the high-temperature-resistant electric wire.

[0016] In the drawings: 1, high-temperature-resistant outer sleeve; 2, high-flame-retardant insulation layer; 3, ceramicized fireproof layer; 4, metal shielding layer; 5, crosslinked insulation layer; 6, metal conductor; 7, mineral mica layer; 8, isolation layer; 9, flame-retardant filling layer; 10, braided sheath; 11, inner core. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] Please refer to Figs. 1-3 The present application provides a high-temperature-resistant electric wire:

[0019] According to Figs. 1-3 As shown in the drawings, the high-temperature-resistant electric wire comprises a high-temperature-resistant outer sleeve 1 and a plurality of inner cores 11, the high-temperature-resistant outer sleeve 1 is internally sleeved and connected with the plurality of inner cores 11, the plurality of inner cores 11 and the high-temperature-resistant outer sleeve 1 are filled with a flame-retardant filling layer 9, the high-temperature-resistant outer sleeve 1 is composed of a high-flame-retardant insulation layer 2, a ceramicized fireproof layer 3 and a metal shielding layer 4, the outer surface of the metal shielding layer 4 is fixedly provided with the ceramicized fireproof layer 3, and the outer surface of the ceramicized fireproof layer 3 is fixedly provided with the high-flame-retardant insulation layer 2.

[0020] According to Fig. 1 and Fig. 2 As shown in the drawings, the inner core 11 comprises a cross-linked insulation layer 5, a plurality of metal conductors 6, a mineral mica layer 7 and an isolation layer 8, the surface of the plurality of metal conductors 6 is fixedly provided with the isolation layer 8, the surface of the isolation layer 8 is fixedly provided with the mineral mica layer 7, and the outer surface of the mineral mica layer 7 is fixedly provided with the cross-linked insulation layer 5.

[0021] Specifically, the cable improves the high-temperature resistance and flame resistance performance through the cooperation of the high-flame-retardant insulation layer 2 and the ceramic fireproof layer 3, and improves the high-temperature resistance of the wire through the cooperation of the flame-retardant filling layer 9.

[0022] The cross-linked insulation layer 5 is made of polyethylene material, the mineral mica layer 7 is made of mineral mica, and the isolation layer 8 is made of metal copper.

[0023] The surface of the high-temperature-resistant sheath 1 is fixedly provided with a braided sheath 10.

[0024] The high-flame-retardant insulation layer 2 is made of flame-retardant rubber, the ceramic fireproof layer 3 is made of composite silicone rubber, and the metal shielding layer 4 is made of metal aluminum foil. Specifically, the shielding performance of the wire is improved through the setting of the metal shielding layer 4, so as to reduce the interference of the signal on the wire.

[0025] The braided sheath 10 is made of braided glass fiber, and the flame-retardant filling layer 9 is made of flame-retardant rubber. Specifically, the wire is effectively protected through the setting of the braided sheath 10, and the flame-retardant performance of the wire is improved through the setting of the flame-retardant filling layer 9.

[0026] The working principle of the high-temperature-resistant wire is that, during use, the plurality of inner cores 11 arranged inside are not associated with each other, so as to avoid the interference of signals between the inner cores 11, and the high-temperature-resistant wire improves the high-temperature resistance and flame resistance performance through the cooperation of the high-flame-retardant insulation layer 2 and the ceramic fireproof layer 3, and improves the high-temperature resistance of the wire through the cooperation of the flame-retardant filling layer 9.

[0027] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art. The specific embodiments described in the specification are only illustrative of the spirit of the utility model. The person skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.

Claims

1. A high temperature resistant electric wire comprising a high temperature resistant outer jacket (1) and a plurality of inner cores (11), characterized in that, The inside of the high-temperature-resistant outer sleeve (1) is sleeved with a plurality of inner cores (11), and the high-temperature-resistant outer sleeve (1) is filled with a flame-retardant filling layer (9) between the plurality of inner cores (11) and the high-temperature-resistant outer sleeve (1). The high-temperature-resistant outer sleeve (1) is composed of a high-flame-retardant insulation layer (2), a ceramicized fireproof layer (3) and a metal shielding layer (4). The outer surface of the metal shielding layer (4) is fixedly provided with the ceramicized fireproof layer (3), and the outer surface of the ceramicized fireproof layer (3) is fixedly provided with the high-flame-retardant insulation layer (2). The inner core (11) comprises a cross-linked insulation layer (5), a plurality of metal conductors (6), a mineral mica layer (7) and an isolation layer (8). The surface of the plurality of metal conductors (6) is fixedly provided with the isolation layer (8), the surface of the isolation layer (8) is fixedly provided with the mineral mica layer (7), and the outer surface of the mineral mica layer (7) is fixedly provided with the cross-linked insulation layer (5).

2. The high temperature resistant electric wire according to claim 1, wherein: The cross-linked insulation layer (5) is made of polyethylene material, the mineral mica layer (7) is made of mineral mica, and the isolation layer (8) is made of metal copper.

3. The high temperature resistant electric wire according to claim 1, wherein: The surface of the high-temperature-resistant outer sleeve (1) is fixedly provided with a braided sheath (10).

4. The high temperature resistant electric wire according to claim 1, wherein: The high-flame-retardant insulation layer (2) is made of flame-retardant rubber, the ceramicized fireproof layer (3) is made of composite silicone rubber, and the metal shielding layer (4) is made of metal aluminum foil.

5. The high temperature resistant electric wire according to claim 3, wherein: The braided sheath (10) is made of braided glass fiber, and the flame-retardant filling layer (9) is made of flame-retardant rubber.

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