CN219457223U

CN219457223U - Anti-interference signal cable

Info

Publication number: CN219457223U
Application number: CN202320840216.3U
Authority: CN
Inventors: 邢军
Original assignee: Jinan Shengtong Power Cable Co ltd
Current assignee: Jinan Shengtong Power Cable Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-08-01
Anticipated expiration: 2033-04-17

Abstract

The utility model discloses an anti-interference signal cable, which belongs to the field of cables and comprises an outer sheath layer, a flame-retardant layer, an insulating outer layer, an anti-interference layer and a wire core layer which are sequentially arranged from outside to inside, wherein the wire core layer comprises: the anti-interference sheath layer is arranged at the outermost side of the wire core layer, wherein the anti-interference sheath layer is formed by combining arc-shaped cavities arranged at equal intervals along the circumferential direction and connecting strips used for connecting two adjacent arc-shaped cavities, and connecting ports are formed in the connecting strips at equal intervals along the length direction; the cable layer is arranged in the arc-shaped cavity, and is formed by combining a wire core at the central position with a polyethylene layer formed by extruding the outer side of the wire core. According to the utility model, each cable layer is wrapped by the arc-shaped cavities arranged at equal intervals along the circumferential direction, so that the cable layer is integrated into zero, each cable layer is independently protected, the influence of an external electric field on the cable is prevented, and the anti-interference effect of the cable layer is improved.

Description

Anti-interference signal cable

Technical Field

The utility model relates to the field of cables, in particular to an anti-interference signal cable.

Background

At present, the need for rapid data and information transfer, and the reliance on computers, word processors, telex, sensors and communication devices has increased significantly and rapidly. The advent of new technology has enabled the connection and networking of devices in this regard, resulting in the comprehensive development of communication systems. The use of these systems in particular areas has increased, such as in high-rise buildings, ships, airplanes, trains, drilling platforms and mines. To connect these electronic components, a large number of wires and cables are required in these structures and fields, and the cables are applied in various industries such as power systems: the electric wire and cable products adopted by the electric power system mainly comprise overhead bare wires, bus bars (buses), electric power cables (plastic cables, oil paper power cables (basically replaced by plastic power cables), rubber jacketed cables and overhead insulated cables), branch cables (replacing part of buses), electromagnetic wires, electric equipment wires and cables for electric power equipment and the like; and (3) information transmission: the electric wires and cables used for the information transmission system mainly include local telephone cables, television cables, electronic cables, radio frequency cables, optical fiber cables, data cables, electromagnetic wires, electric power communication or other composite cables, and the like.

In order to improve the interference capability of the cable against external electromagnetic fields and prevent the cable from radiating electromagnetic fields to the outside during operation and improve the stable reliability of the cable operation, the protective layer structure of the transmission cable is generally provided with an electromagnetic interference resistant shielding layer. The traditional cable shielding layer is a copper strip, and an electric field shielding body is formed, so that the influence of an external electric field on a cable is prevented, but the situation that the bending performance of the cable is relatively poor due to the strength of the shielding copper strip or the aluminum strip is found in the use process, the manufacturing process is complex, the manufacturing cost is high, and the construction cost is also high.

Disclosure of Invention

The utility model mainly aims to provide an anti-interference signal cable, which wraps each cable layer through arc-shaped cavities arranged at equal intervals along the circumferential direction, so that the cable layer is integrated into zero, each cable layer is independently protected, the influence of an external electric field on the cable is prevented, and the anti-interference effect of the cable layer is improved.

In order to achieve the above object, the present utility model provides an anti-interference signal cable, which includes an outer sheath layer, a flame retardant layer, an insulating outer layer, an anti-interference layer and a core layer sequentially disposed from outside to inside, wherein the core layer includes:

the anti-interference sheath layer is arranged at the outermost side of the wire core layer, wherein the anti-interference sheath layer is formed by combining arc-shaped cavities arranged at equal intervals along the circumferential direction and connecting strips used for connecting two adjacent arc-shaped cavities, and connecting ports are formed in the connecting strips at equal intervals along the length direction;

the cable layer is arranged in the arc-shaped cavity, and is formed by combining a wire core at the central position with a polyethylene layer formed by extruding the outer side of the wire core;

and the insulating inner layer is arranged at the center of the wire core layer.

Preferably, the outer sheath layer is a neoprene sheath, and the flame-retardant layer is formed by extruding polyamide fibers.

Preferably, the insulating outer layer and the insulating inner layer are respectively formed by extruding polyethylene and ETFE plastic.

Preferably, the anti-interference layer is formed by combining a braided shielding wire mesh layer serving as a base layer and a polyethylene layer extruded on the shielding wire mesh layer.

Preferably, the anti-interference sheath layer is formed by combining an aluminum wire warp-weft knitting layer serving as a base layer and an ETFE plastic layer extruded on the aluminum wire warp-weft knitting layer.

The utility model has the advantages that: firstly, through combining the anti-interference sheath layer by the aluminum wire warp and weft weaving layer as the basic unit and the ETFE plastic layer extruded on the aluminum wire warp and weft weaving layer, simultaneously, the anti-interference sheath layer is a prefabricated member, and simultaneously, each cable layer is wrapped by arc-shaped cavities arranged at equal intervals along the circumferential direction, thereby realizing the whole zero, carrying out independent protection on each cable layer, preventing the influence of an external electric field on the cable, and improving the anti-interference effect on the cable layer.

Secondly, the signal cable is internally protected for the second time by the anti-interference layer formed by taking the woven shielding wire mesh layer as a base layer and extruding the polyethylene layer on the shielding wire mesh layer, so that the anti-interference effect of an external electric field on the cable is improved again.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the utility model and are not to be construed as unduly limiting the utility model. In the drawings:

fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic overall cross-sectional structure of the present utility model.

Fig. 3 is a schematic diagram of the structure of an anti-interference sheath layer of the present utility model.

In the above figures, 100, signal cable; 200. an outer sheath layer; 300. a flame retardant layer; 400. an insulating outer layer; 500. an anti-interference layer; 600. an anti-interference sheath layer; 601. an arc-shaped cavity; 602. a connecting strip; 603. a connection port; 700. a cable layer; 800. an insulating inner layer.

Detailed Description

In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present utility model with reference to the accompanying drawings. It will be apparent that the described embodiments are merely some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. 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 the specific circumstances.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Examples

Referring to fig. 1-3, the present embodiment provides an anti-interference signal cable, which includes an outer sheath layer 200, a flame retardant layer 300, an insulating outer layer 400, an anti-interference layer 500, and a core layer sequentially disposed from outside to inside, where the core layer includes:

referring to fig. 3, in this embodiment, the anti-interference sheath layer 600 is disposed at the outermost side of the core layer, where the anti-interference sheath layer 600 is formed by combining arc-shaped cavities 601 disposed at equal intervals along a circumferential direction and connecting strips 602 for connecting two adjacent arc-shaped cavities 601, and the connecting strips 602 are provided with connecting ports 603 at equal intervals along a length direction, and the anti-interference sheath layer 600 is formed by combining an aluminum wire warp and weft woven layer with ETFE plastic layers extruded on the aluminum wire warp and weft woven layer, and meanwhile, the anti-interference sheath layer 600 is a prefabricated member, and meanwhile, each cable layer 700 is wrapped by the arc-shaped cavities 601 disposed at equal intervals along the circumferential direction, so that the whole is zero, each cable layer 700 is individually protected, the influence of an external electric field on the cable is prevented, and the anti-interference effect of the cable layer 700 is improved;

the cable layer 700 is disposed inside the arc-shaped cavity 601, wherein the cable layer 700 is formed by a core at a central position and a polyethylene layer formed by extruding the core outside the core;

the insulating inner layer 800 is disposed at a central position of the core layer, and here, the insulating inner layer 800 is formed by injecting the anti-interference sheath layer 600 through the connection port 603.

In this embodiment, the outer sheath layer 200 is a neoprene sheath, and the flame retardant layer 300 is extruded from polyamide fibers.

In this embodiment, the insulating outer layer 400 and the insulating inner layer 800 are respectively formed by extrusion of polyethylene and ETFE plastic.

In this embodiment, the anti-interference layer 500 is formed by combining a braided shielding wire mesh layer with a polyethylene layer extruded on the shielding wire mesh layer, and the signal cable 100 is internally protected for a second time by the anti-interference layer 500 formed by combining the braided shielding wire mesh layer with the polyethylene layer extruded on the shielding wire mesh layer, thereby improving the anti-interference effect of the external electric field on the cable again.

In this embodiment, the anti-interference sheath layer 600 is formed by combining an aluminum wire warp and weft knitting layer as a base layer and an ETFE plastic layer extruded on the aluminum wire warp and weft knitting layer, and each cable layer 700 is wrapped by an arc-shaped cavity 601 arranged at equal intervals along the circumferential direction, so that the cable layers 700 are individually protected, the influence of an external electric field on the cable is prevented, and the anti-interference effect of the cable layers 700 is improved.

To sum up:

in the use process of the signal cable 100, the anti-interference sheath layer 600 is formed by combining an aluminum wire warp and weft woven layer as a base layer and an ETFE plastic layer extruded on the aluminum wire warp and weft woven layer, meanwhile, the anti-interference sheath layer 600 is a prefabricated part, and meanwhile, each cable layer 700 is wrapped through arc cavities 601 arranged at equal intervals along the circumferential direction, so that the whole is zero, each cable layer 700 is independently protected, the influence of an external electric field on the cable is prevented, the anti-interference effect of the cable layer 700 is improved, and meanwhile, the signal cable 100 can be secondarily protected inside the signal cable 100 through the anti-interference layer 500 formed by combining the braided shielding wire mesh layer as the base layer and the polyethylene layer extruded on the shielding wire mesh layer in the use process of the signal cable 100, so that the anti-interference effect of the external electric field on the cable is improved again.

Claims

1. The utility model provides a signal cable with anti-interference formula, includes oversheath layer (200), flame retardant coating (300), insulating skin (400), anti-interference layer (500) and the sinle silk layer that sets gradually from outside to inside, its characterized in that, the sinle silk layer includes:

the anti-interference sheath layer (600) is arranged at the outermost side of the wire core layer, wherein the anti-interference sheath layer (600) is formed by combining arc-shaped cavities (601) which are arranged at equal intervals along the circumferential direction and connecting strips (602) which are used for connecting two adjacent arc-shaped cavities (601), and the connecting strips (602) are provided with connecting ports (603) at equal intervals along the length direction;

the cable layer (700) is arranged in the arc-shaped cavity (601), wherein the cable layer (700) is formed by a polyethylene layer formed by extruding a wire core at the central position and the outer side of the wire core;

and an insulating inner layer (800) arranged at the center of the wire core layer.

2. The signal cable with interference as claimed in claim 1, wherein the outer sheath layer (200) is a neoprene sheath, and the flame retardant layer (300) is extruded from polyamide fibers.

3. The signal cable of claim 1, wherein the outer insulating layer (400) and the inner insulating layer (800) are extruded from polyethylene and ETFE plastic, respectively.

4. The signal cable of claim 1, wherein the anti-interference layer (500) is formed by a combination of a braided shielding wire mesh layer as a base layer and a polyethylene layer extruded over the shielding wire mesh layer.

5. The signal cable of claim 1, wherein the anti-interference sheath layer (600) is formed by combining an aluminum warp and weft woven layer as a base layer and an ETFE plastic layer extruded on the aluminum warp and weft woven layer.