Composite shielding cable

Abstract

The utility model discloses a composite shielding cable, which comprises a cable core, the cable core comprises a conductor, an insulating layer and an inner sheath, the insulating layer is sleeved outside the conductor, the inner sheath is fixedly connected outside the insulating layer, two ends of the cable core are sleeved with magnetic rings, the magnetic rings are sleeved with shielding layers, the outer sides of the shielding layers are provided with protection assemblies, and the protection assemblies are arranged on the outer sides of the shielding layers. The protection assembly is connected with an outer sheath. The magnetic ring, the shielding layer and the protection assembly are arranged, the shielding layer plays a role in shielding external electromagnetic interference, the magnetic ring is used for absorbing electromagnetic radiation and converting the electromagnetic radiation into heat energy, double-layer shielding can be achieved through the arrangement of the magnetic ring and the shielding layer, the shielding effect is good, and therefore the interference effect is weakened, and the service life is prolonged. The first elastic sleeve, the elastic strip and the second elastic sleeve carry out buffer protection on the cable core and the shielding layer, the shielding layer is prevented from being broken when the cable core is bent, and meanwhile air between the first elastic sleeve 71 and the second elastic sleeve 73 has a heat preservation and insulation effect.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a composite shielded cable. Background Art

[0002] Shielded cable is a transmission line that uses a metal mesh braided layer to wrap the signal line. The shielding is to ensure the transmission performance of the system in an environment with electromagnetic interference.

[0003] When existing composite shielded cables are bent, wires in the metal braided layer are easily broken, and the breakage will increase the resistance of the shielding layer (low conductivity), thereby destroying the passing characteristics or shielding characteristics of the shielded cable. Utility Model Content

[0004] The purpose of the utility model is to provide a composite shielded cable to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a composite shielded cable, comprising a cable core, the cable core comprising a conductor, an insulating layer, and an inner sheath, the insulating layer is sleeved on the outside of the conductor, the inner sheath is fixedly connected to the outside of the insulating layer, magnetic rings are sleeved on both ends of the cable core, a shielding layer is sleeved on the outside of the magnetic ring, a protective component is arranged on the outside of the shielding layer, and the protective component is connected to the outer sheath.

[0006] Preferably, the protection component includes a first elastic sleeve, which is sleeved on the outside of the shielding layer, and a plurality of elastic strips are fixedly connected to the outer side of the first elastic sleeve, and the elastic strips are in the shape of a circular tube, and a second elastic sleeve is fixedly connected to the outside of the plurality of elastic strips, and the outer protective sleeve is sleeved on the outside of the second elastic sleeve.

[0007] Preferably, a filling layer is filled between the cable core and the magnetic ring, and a wear-resistant coating is coated on the surface of the outer sheath.

[0008] Preferably, the shielding layer is a copper wire braided mesh.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The utility model is provided with a magnetic ring, a shielding layer and a protection component. The shielding layer plays a role in shielding external electromagnetic interference. The magnetic ring is used to absorb electromagnetic radiation and convert it into heat energy. Through the arrangement of the magnetic ring and the shielding layer, double-layer shielding can be achieved, and the shielding effect is good, thereby reducing the interference effect. The first elastic sleeve, the elastic strip and the second elastic sleeve provide buffering protection for the cable core and the shielding layer to avoid the shielding layer from breaking when the cable core is bent. At the same time, the air between the first elastic sleeve and the second elastic sleeve has a thermal insulation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model.

[0013] In the figure: 1, cable core; 2, conductor; 3, insulation layer; 4, inner sheath; 5, magnetic ring; 6, shielding layer; 7, protection component; 71, first elastic sleeve; 72, elastic strip; 73, second elastic sleeve; 8, outer sheath; 9, filling layer; 10, wear-resistant coating. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] See also Figure 1-2 The utility model provides a technical solution: a composite shielded cable, including a cable core 1, the cable core 1 includes a conductor 2, an insulating layer 3, and an inner sheath 4, the insulating layer 3 is sleeved on the outside of the conductor 2, the material of the insulating layer 3 is polyethylene, the inner sheath 4 is fixedly connected to the outside of the insulating layer 3, magnetic rings 5 ​​are sleeved on both ends of the cable core 1, a shielding layer 6 is sleeved on the outside of the magnetic ring 5, the shielding layer 6 is a copper wire braided mesh, a protection component 7 is arranged on the outside of the shielding layer 6, and the protection component 7 is connected to the outer sheath 8.

[0016] The protection component 7 includes a first elastic sleeve 71, which is sleeved on the outside of the shielding layer 6. A plurality of elastic strips 72 are fixedly connected to the outer side of the first elastic sleeve 71. The elastic strips 72 are in the shape of a circular tube. A second elastic sleeve 73 is fixedly sleeved on the outside of the plurality of elastic strips 72. The outer sheath 8 is sleeved on the outside of the second elastic sleeve 73.

[0017] A filling layer 9 is filled between the cable core 1 and the magnetic ring 5 to prevent the cable cores 1 from colliding and rubbing against each other. A wear-resistant coating 10 is coated on the surface of the outer sheath 8. The material of the wear-resistant coating 10 is Teflon.

[0018] Working principle: When the utility model is in use, the shielding layer 6 plays a role in shielding external electromagnetic interference, and the magnetic ring 5 is used to absorb electromagnetic radiation and convert it into heat energy. Through the arrangement of the magnetic ring 5 and the shielding layer 6, double-layer shielding can be achieved, and the shielding effect is good, thereby reducing the interference effect. The first elastic sleeve 71, the elastic strip 72 and the second elastic sleeve 73 provide buffering protection for the cable core 1 and the shielding layer to avoid the shielding layer 6 from breaking when the cable core 1 is bent. At the same time, the air between the first elastic sleeve 71 and the second elastic sleeve 73 has a thermal insulation effect. The utility model has the advantages of easy use and good use effect.

[0019] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0020] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A composite shielded cable, comprising a cable core (1), characterized in that: The cable core (1) comprises a conductor (2), an insulating layer (3), and an inner sheath (4); the insulating layer (3) is sleeved on the outer side of the conductor (2); the inner sheath (4) is fixedly connected to the outer side of the insulating layer (3); magnetic rings (5) are sleeved on both ends of the cable core (1); a shielding layer (6) is sleeved on the outer side of the magnetic ring (5); a protective component (7) is arranged on the outer side of the shielding layer (6); and the protective component (7) is connected to the outer sheath (8).

2. A composite shielded cable according to claim 1, characterized in that: The protection component (7) comprises a first elastic sleeve (71), the first elastic sleeve (71) is sleeved on the outside of the shielding layer (6), a plurality of elastic strips (72) are fixedly connected to the outer side of the first elastic sleeve (71), the elastic strips (72) are in the shape of a circular tube, a second elastic sleeve (73) is fixedly connected to the outer side of the plurality of elastic strips (72), and the outer sheath (8) is sleeved on the outside of the second elastic sleeve (73).

3. A composite shielded cable according to claim 1, characterized in that: A filling layer (9) is filled between the cable core (1) and the magnetic ring (5), and a wear-resistant coating (10) is coated on the surface of the outer sheath (8).

4. A composite shielded cable according to claim 1, characterized in that: The shielding layer (6) is a copper wire braided mesh.

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