CN219370677U - Anti-electromagnetic interference high-temperature coaxial radio frequency cable - Google Patents

Abstract

The utility model discloses an electromagnetic interference resistant high-temperature coaxial radio-frequency cable, which belongs to the technical field of cables and comprises an outer sheath, wherein a shielding layer is arranged in the outer sheath, an aluminum foil layer is arranged in the shielding layer, an insulating protection layer is arranged in the aluminum foil layer, a copper core conductor is arranged in the insulating protection layer, the outer sheath comprises an outer shell layer, a compression layer is arranged in the outer shell layer, a high-temperature resistant layer is arranged in the compression layer, a protection layer is arranged in the high-temperature resistant layer, the compression layer comprises a first rubber tube and a second rubber tube, the diameter of the first rubber tube is larger than that of the second rubber tube, the second rubber tube is positioned in the first rubber tube, and a metal sheet is arranged between the first rubber tube and the second rubber tube. Therefore, the compression resistance effect of the coaxial radio frequency cable can be improved, and the coaxial radio frequency cable has better anti-interference and high temperature resistance effects.

Description

Anti-electromagnetic interference high-temperature coaxial radio frequency cable

Technical Field

The utility model relates to a cable, in particular to an electromagnetic interference resistant high-temperature coaxial radio frequency cable, and belongs to the technical field of cables.

Background

Coaxial radio frequency cable refers to a cable having two concentric conductors, with the conductors and shielding layer sharing the same axis. The coaxial radio frequency cable is used for transmitting radio frequency signals and is used as a communication cable, and the coaxial radio frequency cable is used for transmitting television signals and is connected with video equipment. It can also be used for radio signal and connection to a receiver, transmitter and antenna together.

The coaxial radio-frequency cable generally adopts a single-layer outer protective sleeve to protect the cable, but the single-layer protective structure cannot enable the coaxial cable to have good high-temperature resistance and anti-interference effect when in use, and the coaxial radio-frequency cable is poor in compression resistance effect when in use, so that the electromagnetic interference resistant high-temperature coaxial radio-frequency cable is proposed.

Disclosure of Invention

The utility model aims to provide an electromagnetic interference resistant high-temperature coaxial radio-frequency cable, which can realize the interference resistance and high-temperature resistance of the cable and improve the compression resistance effect of the cable, thereby prolonging the service life of the cable and solving the technical problems of poor compression resistance effect and poor interference resistance and high-temperature resistance effect of the coaxial radio-frequency cable in the prior art.

In order to solve the problems, the following technical scheme is provided:

the utility model provides an anti-electromagnetic interference high temperature coaxial radio frequency cable, includes the oversheath, the inside of oversheath is provided with the shielding layer, the inside of shielding layer is provided with the aluminium foil layer, the inside on aluminium foil layer is provided with insulating protection layer, insulating protection layer's inside is provided with the copper core conductor.

Further, the oversheath includes the crust layer, the inside of crust layer is provided with the compressive layer, the inside of compressive layer is provided with high temperature resistant layer, the inside of high temperature resistant layer is provided with the protective layer.

Further, the compressive layer comprises a first rubber tube and a second rubber tube, the diameter of the first rubber tube is larger than that of the second rubber tube, the second rubber tube is located inside the first rubber tube, and a metal sheet is arranged between the first rubber tube and the second rubber tube.

Further, the shielding layer is formed by braiding copper wires, and the aluminum foil layer is of an annular corrugated tubular structure.

Further, the outer shell layer is a resin outer shell made of polyethylene, and the high-temperature resistant layer is formed by spraying high-temperature resistant paint.

Further, the metal sheets are of arc structures, and the number of the metal sheets is a plurality of positions which are uniformly distributed between the first rubber tube and the second rubber tube.

Further, the protective layer is composed of an anti-interference layer woven by tinned copper wires and a tensile layer woven by aramid yarns.

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

in this application, can effectually improve the compressive effect of cable through the compressive layer that sets up, can avoid the cable to lead to the fracture damage of cable because of the compression in the use of cable to prolonged coaxial radio frequency cable's life greatly, can improve the high temperature resistant effect and the interference immunity ability of cable through the high temperature resistant layer and the protective layer that set up moreover, make coaxial radio frequency cable's result of use better.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic diagram of the overall structure of a preferred embodiment of an electromagnetic interference resistant high temperature coaxial rf cable according to the present utility model;

fig. 2 is a schematic structural view of an outer jacket of a preferred embodiment of an electromagnetic interference resistant high temperature coaxial rf cable according to the present utility model;

fig. 3 is a schematic structural view of a compressive layer of a preferred embodiment of an electromagnetic interference resistant high temperature coaxial rf cable according to the present utility model.

In the figure: 1. an outer sheath; 11. an outer shell layer; 12. a compression-resistant layer; 121. a first rubber tube; 122. a second rubber tube; 133. a metal sheet; 13. a high temperature resistant layer; 14. a protective layer; 2. a shielding layer; 3. an aluminum foil layer; 4. an insulating protective layer; 5. a copper core conductor.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, the anti-electromagnetic interference high-temperature coaxial radio-frequency cable provided by the embodiment comprises an outer sheath 1, wherein the outer sheath 1 is an outer protective layer and is used for protecting the cable, a shielding layer 2 is arranged in the outer sheath 1, the shielding layer 2 has an electromagnetic shielding effect, an aluminum foil layer 3 is arranged in the shielding layer 2, an insulating protective layer 4 is arranged in the aluminum foil layer 3, a copper core conductor 5 is arranged in the insulating protective layer 4, and the copper core conductor 5 is used for transmitting electric signals.

Preferably, the outer sheath 1 comprises an outer sheath layer 11, the outer sheath 11 is used for being waterproof and playing a waterproof and wear-resistant effect, the compression-resistant layer 12 is arranged in the outer sheath layer 11, the compression-resistant layer 12 can enable the cable to have a better compression-resistant effect, the service life of the cable is prolonged, the high-temperature resistant layer 13 is arranged in the compression-resistant layer 12, the high-temperature resistant layer 13 is used for improving the high-temperature resistant effect of the cable, and the protective layer 14 is arranged in the high-temperature resistant layer 13.

Preferably, the compression-resistant layer 12 comprises a first rubber tube 121 and a second rubber tube 122, the diameter of the first rubber tube 121 is larger than that of the second rubber tube 122, the second rubber tube 122 is located inside the first rubber tube 121, a metal sheet 123 is arranged between the first rubber tube 121 and the second rubber tube 122, the metal sheet 123 with an arc-shaped structure has elasticity, when the cable is pressed in the using process, the metal sheet 123 with the arc-shaped structure is matched with the first rubber tube 121 and the second rubber tube 122 to play a rebound role, so that the cable is prevented from being damaged by pressing, and the service life of the cable is prolonged.

Preferably, the shielding layer 2 is formed by braiding copper wires, the aluminum foil layer 3 is of an annular corrugated tubular structure, and the shielding layer 2 and the aluminum foil layer 3 are of common structures of coaxial radio-frequency cables in the prior art.

Preferably, the shell layer 11 is a resin shell made of polyethylene, the shell layer 11 made of polyethylene can play a role in waterproof and wear resistance, the high-temperature resistant layer 13 is formed by spraying high-temperature resistant paint, and the high-temperature resistant layer 13 can improve the high-temperature resistant effect of the cable.

Preferably, the metal sheets 123 are arc-shaped, the number of the metal sheets 123 is a plurality of the metal sheets and the metal sheets are uniformly distributed at the positions between the first rubber tube 121 and the second rubber tube 122, and the metal sheets 123 with arc-shaped structures have certain elasticity, so that the compression-resistant effect is achieved.

Preferably, the protective layer 14 is composed of an anti-interference layer woven by tinned copper wires and a tensile layer woven by aramid yarns.

The application principle and the application flow of the utility model are as follows: during the use, the cable passes through oversheath 1, shielding layer 2, aluminium foil layer 3, insulating protection layer 4 and copper core conductor 5 are constituteed in proper order, polyethylene material's shell layer 11 can play waterproof antifriction's effect, high temperature resistant layer 13 can improve cable's high temperature resistant effect, arc structure's sheetmetal 123 has elasticity, when the cable receives the oppression in the use, first rubber tube 121, second rubber tube 122 cooperation arc structure's sheetmetal 123 can play the resilience effect to avoid the inside core of cable to be damaged by the oppression, extension cable's life.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

While the utility model has been described in connection with specific embodiments, it will be apparent to those skilled in the art that the description is intended to be illustrative and not limiting in scope. Various modifications and alterations of this utility model will occur to those skilled in the art in light of the spirit and principles of this utility model, and such modifications and alterations are also within the scope of this utility model.

Claims (7)

1. The utility model provides an anti-electromagnetic interference high temperature coaxial radio frequency cable, its characterized in that, includes oversheath (1), the inside of oversheath (1) is provided with shielding layer (2), the inside of shielding layer (2) is provided with aluminium foil layer (3), the inside of aluminium foil layer (3) is provided with insulating protection layer (4), the inside of insulating protection layer (4) is provided with copper core conductor (5).

2. An electromagnetic interference resistant high temperature coaxial radio frequency cable according to claim 1, characterized in that the outer sheath (1) comprises an outer sheath layer (11), the inside of the outer sheath layer (11) is provided with a compression resistant layer (12), the inside of the compression resistant layer (12) is provided with a high temperature resistant layer (13), and the inside of the high temperature resistant layer (13) is provided with a protective layer (14).

3. The electromagnetic interference resistant high-temperature coaxial radio-frequency cable according to claim 2, wherein the compression resistant layer (12) comprises a first rubber tube (121) and a second rubber tube (122), the diameter of the first rubber tube (121) is larger than that of the second rubber tube (122), the second rubber tube (122) is located inside the first rubber tube (121), and a metal sheet (123) is arranged between the first rubber tube (121) and the second rubber tube (122).

4. An electromagnetic interference resistant high temperature coaxial radio frequency cable according to claim 1, wherein the shielding layer (2) is formed by braiding copper wires, and the aluminum foil layer (3) has an annular corrugated tubular structure.

5. The electromagnetic interference resistant high-temperature coaxial radio-frequency cable according to claim 2, wherein the outer shell layer (11) is a polyethylene resin outer shell, and the high-temperature resistant layer (13) is formed by spraying high-temperature resistant paint.

6. An electromagnetic interference resistant high temperature coaxial radio frequency cable according to claim 3, wherein the metal sheets (123) are in an arc structure, and the number of the metal sheets (123) is a plurality and uniformly distributed at the positions between the first rubber tube (121) and the second rubber tube (122).

7. An electromagnetic interference resistant high temperature coaxial radio frequency cable according to claim 2, wherein the protective layer (14) consists of an anti-interference layer woven from tinned copper wires and a tensile layer woven from aramid yarns.