CN211376291U

CN211376291U - Anti-interference novel broadband cable

Info

Publication number: CN211376291U
Application number: CN201921912508.3U
Authority: CN
Inventors: 陈澍; 王句; 顾卫中; 顾宏亮; 孙莉花
Original assignee: Suzhou Yongding Cable Technology Co ltd
Current assignee: Suzhou Yongding Cable Technology Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-08-28
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a novel anti-interference broadband cable, the wiring body includes that four ways divide the cable, four ways be equipped with the cross division strip between the branch cable, the cross division strip includes magnesium aluminum alloy shielding core and covers the insulating rubber layer on magnesium aluminum alloy shielding core, the outer cladding of line body has the shielding protective layer, the shielding protective layer is by interior insulating glue film, shielding copper net cover and the outer protective layer of including in proper order outside to, the utility model has the advantages of through magnesium aluminum alloy shielding core and the cooperation of shielding copper net cover, constitute Faraday cage outside the branch cable and in order to shield external electromagnetic wave, avoid external electromagnetic wave to cause the interference to communication signal in the line body to guaranteed stable good communication transmission effect.

Description

Anti-interference novel broadband cable

Technical Field

The utility model relates to a communication transmission field, specific saying so, a novel anti-interference broadband cable.

Background

With the advent of the information age, the amount of information transmitted has increased explosively, and electrical and optical cables have gained a great deal of use as an effective means for large-capacity, long-distance transmission. The traditional broadband cable mainly comprises an outer sheath and a wrapping tape arranged in the outer sheath, wherein a plurality of pairs of conductors are arranged in the wrapping tape. The cable with the structure is easily interfered by external signals, and can also interfere other signals by itself; in addition, when a plurality of cables are erected for a long distance, the cables are often difficult to erect due to poor rigidity of the cables, which brings great influence to the telecommunication department. Therefore, the problem of how to provide a cable with good shielding performance and less breakage has become a hot spot of research in the industry.

Disclosure of Invention

The purpose of the invention is as follows: the utility model aims to provide a novel anti-interference broadband cable to prior art not enough.

The technical scheme is as follows: an anti-interference novel broadband cable, including the line body, the line body includes that four ways divide the cable, four ways be equipped with the cross division strip between the branch cable, the cross division strip includes magnesium aluminum alloy shielding core and covers the insulating rubber layer on magnesium aluminum alloy shielding core, the outer cladding of line body has the shielding protective layer, the shielding protective layer is by interior insulating glue layer, shielding copper mesh cover and outer protective layer of including in proper order outside to.

Preferably, the magnalium shielding core is covered with an oxidation coating.

Preferably, the magnesium-aluminum alloy shielding core is a reticular magnesium-aluminum alloy shielding core formed by magnesium-aluminum alloy wires, the area of holes in the reticular magnesium-aluminum alloy shielding core is 0.44-0.8 square centimeter, and the diameter of the magnesium-aluminum alloy wires in the reticular magnesium-aluminum alloy shielding core is 0.5-0.8 mm.

Preferably, the outer protection layer sequentially comprises a heat-preservation anti-folding layer and a wear-resistant layer from inside to outside, the heat-preservation anti-folding layer is a TPU polyurethane cushion layer, and the wear-resistant layer is a polypropylene coating.

Preferably, the surface of the polypropylene coating is provided with a diamond-shaped frosted lattice structure.

Compared with the prior art, the utility model has the following beneficial effects: (1) through the matching of the magnesium-aluminum alloy shielding core and the shielding copper net sleeve, a Faraday cage is formed outside the branching cable to shield external electromagnetic waves, so that the interference of the external electromagnetic waves on communication signals in the cable body is avoided, and a stable and good communication transmission effect is ensured;

(2) the magnesium-aluminum alloy shielding core and the shielding copper net sleeve are matched, so that enough structural strength can be provided for the integral structure of the anti-interference novel broadband cable, and the line body is effectively prevented from being broken under the action of external stress;

(3) the arrangement of the oxidation coating can increase the surface friction force, so that the insulating rubber layer is more stably fixed on the magnesium-aluminum alloy shielding core;

(4) the TPU polyurethane cushion layer can provide good heat insulation performance and bending strength for the whole cable;

(5) the diamond frosted lattice structure arranged on the surface of the polypropylene coating can reduce the contact area of the polypropylene coating and a friction object when the surface of the polypropylene coating is rubbed, and the service life of the polypropylene coating is prolonged.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present invention.

In the figure: 1. splitting cables; 2. a magnesium-aluminum alloy shielding core; 3. an insulating rubber layer; 4. an insulating glue layer; 5. shielding a copper mesh sleeve; 6. a TPU polyurethane cushion layer; 7. and (3) coating polypropylene ethylene.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

Example 1: the utility model provides a novel anti-interference broadband cable, includes the line body, and the line body includes that four are said and is divided cable 1, and four are said and are divided 1 within a definite time and be equipped with the cross division strip, and the cross division strip includes magnesium aluminum alloy shielding core 2 and covers insulating rubber layer 3 on magnesium aluminum alloy shielding core 2, and the outer cladding of line body has the shielding protective layer, and the shielding protective layer is by interior insulating glue layer 4, shielding copper net cover 5 and the outer protective layer of including in proper order outside to.

The magnalium shielding core 2 is covered with an oxidation coating.

The magnesium-aluminum alloy shielding core 2 is a reticular magnesium-aluminum alloy shielding core 2 formed by magnesium-aluminum alloy wires, the area of holes in the reticular magnesium-aluminum alloy shielding core 2 is 0.44-0.8 square centimeter, and the diameter of the magnesium-aluminum alloy wires in the reticular magnesium-aluminum alloy shielding core 2 is 0.5-0.8 mm.

The outer protective layer comprises a heat-preservation anti-folding layer and a wear-resistant layer from inside to outside in sequence, the heat-preservation anti-folding layer is a TPU polyurethane cushion layer 6, and the wear-resistant layer is a polypropylene coating.

The surface of the polypropylene coating 7 is provided with a diamond frosted lattice structure.

Compared with the prior art, the utility model has the following beneficial effects: (1) through the matching of the magnesium-aluminum alloy shielding core 2 and the shielding copper net sleeve 5, a Faraday cage is formed outside the branch cable 1 to shield external electromagnetic waves, so that the interference of the external electromagnetic waves on communication signals in a cable body is avoided, and a stable and good communication transmission effect is ensured;

(2) the magnesium-aluminum alloy shielding core 2 and the shielding copper net sleeve 5 are matched, so that enough structural strength can be provided for the integral structure of the anti-interference novel broadband cable, and the line body is effectively prevented from being broken under the action of external stress;

(3) the arrangement of the oxidation coating can increase the surface friction force, so that the insulating rubber layer 3 is more stably fixed on the magnesium-aluminum alloy shielding core 2;

(4) the TPU polyurethane cushion layer 6 can provide good heat insulation performance and bending strength for the whole cable;

(5) the diamond frosted lattice structure arranged on the surface of the polypropylene coating 7 can reduce the contact area of the polypropylene coating 7 and a friction object when the surface of the polypropylene coating is rubbed, and the service life of the polypropylene coating is prolonged.

In the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first feature or the second feature or indirectly contacting the first feature or the second feature through an intermediate. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example.

Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a novel anti-interference broadband cable, includes the line body, its characterized in that: the cable body comprises four cable branches, cross-shaped separation belts are arranged among the cable branches, each cross-shaped separation belt comprises a magnesium-aluminum alloy shielding core and an insulating rubber layer covering the magnesium-aluminum alloy shielding core, a shielding protection layer covers the cable body, and the shielding protection layer sequentially comprises an insulating rubber layer, a shielding copper net sleeve and an outer protection layer from inside to outside.

2. The novel anti-interference broadband cable according to claim 1, wherein: and the magnalium shielding core is covered with an oxidation coating.

3. The novel anti-interference broadband cable according to claim 1, wherein: the magnesium-aluminum alloy shielding core is a reticular magnesium-aluminum alloy shielding core formed by magnesium-aluminum alloy wires, the area of holes in the reticular magnesium-aluminum alloy shielding core is 0.44-0.8 square centimeter, and the diameter of the magnesium-aluminum alloy wires in the reticular magnesium-aluminum alloy shielding core is 0.5-0.8 mm.

4. The novel anti-interference broadband cable according to claim 1, wherein: the outer protective layer sequentially comprises a heat-preservation anti-folding layer and a wear-resistant layer from inside to outside, the heat-preservation anti-folding layer is a TPU polyurethane cushion layer, and the wear-resistant layer is a polypropylene coating.

5. The novel anti-interference broadband cable according to claim 4, wherein: the surface of the polypropylene coating is provided with a diamond frosted lattice structure.