CN215868777U

CN215868777U - Shielded cable

Info

Publication number: CN215868777U
Application number: CN202122090915.4U
Authority: CN
Inventors: 蔡艳松
Original assignee: Guangdong Cable Best Cable Co ltd
Current assignee: Guangdong Cable Best Cable Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-18
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a shielded cable which comprises a plurality of cable units, wherein the outer surfaces of the cable units are jointly wrapped with wrapping layers, filling layers are fixedly arranged on the outer surfaces of the wrapping layers, shielding layers are fixedly arranged on the outer surfaces of the filling layers, outer sheaths are fixedly arranged on the outer surfaces of the shielding layers, the shielding layers are aluminum magnesium alloy films, and aramid yarns are filled between the wrapping layers and the cable units. According to the shielding cable, the aluminum magnesium alloy film is used as the shielding layer and applied to the cable, so that the shielding cable has a good shielding function, good ductility and low price, the shielding performance of the cable is guaranteed, the manufacturing cost is reduced, and the shielding cable is suitable for large-area popularization and application; the outer surface of the conductor body formed by twisting the three wires is provided with the insulating layer, and the surface of the insulating layer is provided with the protective layer with the fireproof fiber net, so that the conductor body in the insulating layer is protected against fire, the damage of the inner core is avoided, and the safety performance of the cable is improved.

Description

Shielded cable

Technical Field

The utility model relates to the technical field of cables, in particular to a shielded cable.

Background

The cable is an electric power transmission device which needs to be used in a large amount in real life, can carry out remote transmission of electric power, and brings great convenience to work and life of people. With the development of economy, buildings are developed to high floors, and various electrical facilities are gradually increased, so that cables are widely applied; the existing cable often has the following problems in the application process: 1. the shielding performance of the existing cable cannot be guaranteed in the using process, the production cost of the cable is high, and the cable is not beneficial to large-area popularization and use; 2. the tensile resistance and the fire resistance of the existing cable cannot be guaranteed, so that the safe use of the cable is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a shielded cable which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a shielded cable, includes a plurality of cable unit, and is a plurality of the common parcel of cable unit surface has around the covering, install the filling layer around covering surface fixed mounting, the outer fixed surface of filling layer installs the shielding layer, the outer fixed surface of shielding layer installs the oversheath, the shielding layer is almag film, it has aramid yarn, adjacent a plurality of all to fill between covering and a plurality of cable unit each other the adhesion between the cable unit.

Preferably, the cable units comprise three mutually twisted conductor bodies, the outer surfaces of the three conductor bodies are fixedly provided with insulating layers, and the outer surfaces of the insulating layers are fixedly provided with protective layers.

Preferably, the inside of the filling layer is provided with a plurality of glass fibers, and the wrapping layer is a non-woven fabric wrapping tape.

Preferably, the outer surface of the protective layer is coated with fireproof paint, a fireproof fiber net is fixedly mounted inside the protective layer, and the cross section of the cable unit is of a circular structure.

Preferably, the diameter of the lead body is 4mm-10 mm.

Preferably, the outer sheath is a nylon sheath layer.

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

(1) according to the utility model, the shielding layer is fixedly wrapped on the outer surface of the filling layer, the outer sheath is fixedly arranged on the outer surface of the shielding layer, the shielding layer is made of the aluminum magnesium alloy film, and the aluminum magnesium alloy film serving as the shielding layer is applied to the cable, so that the cable has a good shielding function, good ductility and low price, the shielding performance of the cable is ensured, the manufacturing cost is reduced, and the cable is suitable for large-area popularization and application.

(2) According to the utility model, the insulating layer is arranged on the outer surface of the three stranded conductor bodies, and the protective layer with the fire-resistant fiber net is arranged on the surface of the insulating layer, so that the conductor bodies in the insulating layer are protected against fire, the damage of the inner core is avoided, and the tensile resistance of the cable can be improved and the safety performance of the cable can be improved due to the aramid yarn filled between the cable units and the wrapping layer.

Drawings

Fig. 1 is a schematic view of an overall structure of a shielded cable according to the present invention;

fig. 2 is a schematic view showing an internal structure of a cable unit of a shielded cable according to the present invention;

fig. 3 is a schematic view of the connection between the cable units of a shielded cable according to the present invention.

In the figure: 1. an outer sheath; 2. a shielding layer; 3. a filling layer; 4. wrapping a covering; 5. a cable unit; 6. aramid yarn; 51. a lead body; 52. a protective layer; 53. an insulating layer.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the technical solution provided in this embodiment is as follows:

the utility model provides a shielded cable, includes a plurality of

cable unit

5, 5 outer surface parcels of a plurality of cable unit have around covering 4 jointly, have filling layer 3 around 4 outer fixed surface of covering, and 3 outer fixed surface of filling layer have

shielding layer

2, and 2 outer fixed surface of shielding layer have oversheath 1, and shielding layer 2 is almag film, all fills aramid yarn 6 around between covering 4 and a plurality of cable unit 5, mutual adhesion between a plurality of adjacent cable unit 5.

Specifically, referring to fig. 1-3, the cable units 5 include three stranded conductors 51, an insulating layer 53 is fixedly mounted on outer surfaces of the three conductors 51, and a protective layer 52 is fixedly mounted on outer surfaces of the insulating layer 53; the outer surface of the protective layer 52 is coated with fireproof paint, a fireproof fiber net is fixedly arranged in the protective layer 52, and the cross section of the cable unit 5 is of a circular structure; the lead body 51 has a diameter of 4mm to 10 mm.

In the embodiment of the present invention, each of the plurality of cable units 5 is formed by twisting three conductor bodies 51, after twisting, the surface thereof is jointly wound with the insulating layer 53, the outer surface of the insulating layer 53 is fixedly provided with the protective layer 52, and the protective layer 52 can protect the conductor bodies 51 in the insulating layer 53 against fire, thereby preventing the inner core from being damaged.

Specifically, referring to fig. 1, a plurality of glass fibers are arranged inside the filling layer 3, and the wrapping layer 4 is a non-woven fabric wrapping tape; the outer sheath 1 is a nylon sheath layer.

In the specific embodiment of the utility model, the nylon sheath layer is durable and wear-resistant, has good corrosion resistance, and the non-woven fabric wrapping tape can be wound on the surface of the cable unit 5 to fix the cable unit 5.

It should be noted that the present invention is a shielded cable, which is composed of a plurality of cable units 5, and the outer surfaces of the plurality of cable units 5 are jointly wound with a wrapping layer 4, the outer surface of the wrapping layer 4 is fixedly provided with a filling layer 3, the outer surface of the filling layer 3 is fixedly provided with a shielding layer 2, the outer surface of the shielding layer 2 is fixedly provided with an outer sheath 1, and the shielding layer 2 is made of an aluminum magnesium alloy film, and the aluminum magnesium alloy film is used as the shielding layer 2, which not only has good shielding function and good ductility, but also has low price, thereby reducing the manufacturing cost while ensuring the shielding performance of the cable, and the plurality of cable units 5 are formed by twisting three conductor bodies 51, after twisting, the surfaces thereof are jointly wound with an insulating layer 53, the outer surface of the insulating layer 53 is fixedly provided with a protective layer 52, and the protective layer 52 can perform fire protection on the conductor bodies 51 in the insulating layer 53, avoid the inner core to damage, and a plurality of cable units 5 and fill between the covering 4 and have aramid yarn 6, can improve the stretch-proofing performance of cable.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A shielded electrical cable comprising a plurality of cable elements (5), characterized in that: a plurality of cable unit (5) surface wraps up jointly has around covering (4), install filling layer (3) around covering (4) surface fixed surface, filling layer (3) surface fixed surface installs shielding layer (2), shielding layer (2) surface fixed surface installs oversheath (1), shielding layer (2) are almag film, it has aramid yarn (6), adjacent a plurality of all to fill between covering (4) and a plurality of cable unit (5) mutual adhesion between cable unit (5).

2. A shielded electrical cable according to claim 1, wherein: the cable units (5) comprise three mutually twisted conductor bodies (51), an insulating layer (53) is fixedly mounted on the outer surface of each conductor body (51), and a protective layer (52) is fixedly mounted on the outer surface of each insulating layer (53).

3. A shielded electrical cable according to claim 1, wherein: the filling layer (3) is internally provided with a plurality of glass fibers, and the wrapping layer (4) is a non-woven fabric wrapping tape.

4. A shielded electrical cable according to claim 2, wherein: the outer surface of the protective layer (52) is coated with fireproof paint, a fireproof fiber net is fixedly mounted inside the protective layer (52), and the cross section of the cable unit (5) is of a circular structure.

5. A shielded electrical cable according to claim 2, wherein: the diameter of the lead body (51) is 4mm-10 mm.

6. A shielded electrical cable according to claim 1, wherein: the outer sheath (1) is a nylon sheath layer.