Silver-plated coaxial high-frequency wire

Abstract

The utility model discloses a silver-plated coaxial high-frequency wire, which comprises a conductor, an insulating layer is coated outside the conductor, a silver-plated copper wire braided shielding layer is coated outside the insulating layer, an aluminum foil shielding layer is coated outside the silver-plated copper wire braided shielding layer, a silver-plated copper strip shielding layer is coated outside the aluminum foil shielding layer, and a silver-plated copper strip shielding layer is coated outside the silver-plated copper strip shielding layer. The outer side of the silver-plated copper strip shielding layer is coated with a non-woven fabric wrapping layer, the outer side of the non-woven fabric wrapping layer is coated with a tension-compression-resistant layer, and the outer side of the tension-compression-resistant layer is coated with a sheath. According to the utility model, through the combined action of the silver-plated copper wire braided shielding layer, the aluminum foil shielding layer and the silver-plated copper strip shielding layer, the anti-shielding performance of the cable is enhanced; the conductor adopts a solid silver-plated copper wire or a plurality of twisted silver-plated copper wires, so that the transmission frequency of the cable is higher; the tension and compression resistant layer is composed of a steel belt layer, a metal rope, a rubber strip and a rubber wrapping belt, so that the tension and compression resistant performance of the cable is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coaxial high-frequency lines, in particular to a silver-plated coaxial high-frequency line. Background Art

[0002] Coaxial cable is one of the main types of wires and cables. The industrial application site environment is complex, and the radiation or conduction of electromagnetic noise (EMI) may seriously interfere with the normal operation of the equipment. In this process, an important carrier of electromagnetic noise propagation is the various cables used in production line equipment. In automated industrial manufacturing production lines, coaxial cables are required for electrical connection and control of small robots and electronic machines. The shielding layer of coaxial cable is usually a double-layer shielding structure of copper foil or aluminum foil shielding and metal wire braiding shielding.

[0003] The existing publication number CN219916737U discloses an anti-attenuation reinforced thin-diameter anti-bending coaxial cable, including an inner conductor, the outer portion of which is sequentially coated with an XLPE inner insulation layer, an ETFE outer insulation layer, a copper foil shielding layer, a shielding wire winding layer, an anti-attenuation layer, and a silane grafted cross-linked high-density polyethylene sheath layer, the shielding wire winding layer is a structure of several shielding wires spirally wound side by side, and the shielding wire is composed of a silver-plated copper wire conductor and a PET resin coating layer; the coaxial cable can eliminate the contact current generated by the shielding layer, reduce the transmission attenuation of high-frequency signals, and enhance the noise shielding performance. Although the existing technology has improved the shielding performance, the shielding performance still needs to be further improved, and the cable tensile and compressive performance of the existing technology is poor. Utility Model Content

[0004] The utility model aims to provide a silver-plated coaxial high-frequency line to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a silver-plated coaxial high-frequency line, comprising a conductor, the outer side of the conductor is coated with an insulating layer, the outer side of the insulating layer is coated with a silver-plated copper wire braided shielding layer, the outer side of the silver-plated copper wire braided shielding layer is coated with an aluminum foil shielding layer, the outer side of the aluminum foil shielding layer is coated with a silver-plated copper tape shielding layer, the outer side of the silver-plated copper tape shielding layer is coated with a non-woven fabric wrapping layer, the outer side of the non-woven fabric wrapping layer is coated with a tensile and compressive layer, and the outer side of the tensile and compressive layer is coated with a sheath.

[0006] Preferably, the conductor is a solid silver-plated copper wire or a plurality of twisted silver-plated copper wires.

[0007] Preferably, the insulating layer is a cross-linked polyethylene layer, and the sheath is a silicone rubber layer.

[0008] Preferably, the tensile and compressive layer is composed of a steel belt layer, a metal rope, a rubber strip and a rubber wrapping tape, the metal rope and the rubber strip are distributed on the outside of the steel belt layer, and the outside of the metal rope and the rubber strip are coated with a rubber wrapping tape.

[0009] Preferably, the metal rope and the rubber strip are arranged at intervals, and the metal rope is a steel wire rope.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The outer side of the insulation layer is covered with a silver-plated copper wire braided shielding layer, the outer side of the silver-plated copper wire braided shielding layer is covered with an aluminum foil shielding layer, and the outer side of the aluminum foil shielding layer is covered with a silver-plated copper tape shielding layer. The anti-shielding performance of the cable is enhanced through the combined effect of the silver-plated copper wire braided shielding layer, the aluminum foil shielding layer and the silver-plated copper tape shielding layer.

[0012] 2. The conductor uses a solid silver-plated copper wire or multiple twisted silver-plated copper wires, and the cable has a higher transmission frequency; the tensile and compressive layer is composed of a steel belt layer, a metal rope, a rubber strip and a rubber wrapping tape, which improves the tensile and compressive performance of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the tensile and compressive layer of the utility model.

[0016] In the figure: 1. conductor; 2. insulation layer; 3. silver-plated braided shielding layer; 4. aluminum foil shielding layer; 5. silver-plated copper tape shielding layer; 6. non-woven fabric wrapping layer; 7. tensile and compression layer; 8. sheath; 71. steel tape layer; 72. metal rope; 73. rubber strip; 74. rubber wrapping tape. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are 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. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0018] See also Figure 1 In an embodiment of the utility model, a silver-plated coaxial high-frequency line includes a conductor 1, wherein the conductor 1 is a solid silver-plated copper wire or a plurality of twisted silver-plated copper wires, the conductor 1 is coated with an insulating layer 2 on the outside, wherein the insulating layer 2 is a cross-linked polyethylene layer, the insulating layer 2 is coated with a silver-plated copper wire braided shielding layer 3 on the outside, the silver-plated copper wire braided shielding layer 3 is coated with an aluminum foil shielding layer 4 on the outside, the aluminum foil shielding layer 4 is coated with a silver-plated copper tape shielding layer 5 on the outside, the silver-plated copper tape shielding layer 5 is coated with a non-woven fabric wrapping layer 6 on the outside, the non-woven fabric wrapping layer 6 is coated with a tensile and compression layer 7 on the outside, and the tensile and compression layer 7 is coated with a sheath 8 on the outside, and the sheath 8 is made of silicone rubber layer; the insulating layer 2 is coated with a silver-plated copper wire braided shielding layer 3 on the outside, the silver-plated copper wire braided shielding layer 3 is coated with an aluminum foil shielding layer 4 on the outside, and the aluminum foil shielding layer 4 is coated with a silver-plated copper tape shielding layer 5 on the outside. Through the joint action of the silver-plated copper wire braided shielding layer 3, the aluminum foil shielding layer 4 and the silver-plated copper tape shielding layer 5, the anti-shielding performance of the cable is enhanced; and the conductor 1 adopts a solid silver-plated copper wire or a plurality of twisted silver-plated copper wires, and the transmission frequency of the cable is relatively high.

[0019] The tensile and compressive resistant layer 7 is composed of a steel belt layer 71, a metal rope 72, a rubber strip 73 and a rubber wrapping tape 74. The metal rope 72 and the rubber strip 73 are distributed on the outside of the steel belt layer 71. The outside of the metal rope 72 and the rubber strip 73 are coated with a rubber wrapping tape 74. The metal rope 72 and the rubber strip 73 are arranged at intervals. The metal rope 72 is made of steel wire rope, which improves the tensile and compressive resistance of the cable.

[0020] The working principle of the utility model is as follows: the outer side of the insulating layer 2 is coated with a silver-plated copper wire braided shielding layer 3, the outer side of the silver-plated copper wire braided shielding layer 3 is coated with an aluminum foil shielding layer 4, and the outer side of the aluminum foil shielding layer 4 is coated with a silver-plated copper tape shielding layer 5. Through the joint action of the silver-plated copper wire braided shielding layer 3, the aluminum foil shielding layer 4 and the silver-plated copper tape shielding layer 5, the anti-shielding performance of the cable is enhanced; and the conductor 1 adopts a solid silver-plated copper wire or a plurality of twisted silver-plated copper wires, and the transmission frequency of the cable is relatively high; the tensile and compressive layer 7 is composed of a steel belt layer 71, a metal rope 72, a rubber strip 73 and a rubber wrapping tape 74, which improves the tensile and compressive performance of the cable.

[0021] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A silver-plated coaxial high-frequency line, comprising a conductor (1), characterized in that: The conductor (1) is coated with an insulating layer (2) on the outside, the insulating layer (2) is coated with a silver-plated copper wire braided shielding layer (3) on the outside, the silver-plated copper wire braided shielding layer (3) is coated with an aluminum foil shielding layer (4) on the outside, the aluminum foil shielding layer (4) is coated with a silver-plated copper tape shielding layer (5) on the outside, the silver-plated copper tape shielding layer (5) is coated with a non-woven fabric wrapping layer (6) on the outside, the non-woven fabric wrapping layer (6) is coated with a tensile and compressive layer (7) on the outside, and the tensile and compressive layer (7) is coated with a sheath (8) on the outside.

2. The silver-plated coaxial high-frequency line according to claim 1, characterized in that: The conductor (1) is a solid silver-plated copper wire or a plurality of twisted silver-plated copper wires.

3. The silver-plated coaxial high-frequency line according to claim 1, characterized in that: The insulating layer (2) is a cross-linked polyethylene layer, and the sheath (8) is a silicone rubber layer.

4. The silver-plated coaxial high-frequency line according to claim 1, characterized in that: The tensile and compressive resistance layer (7) is composed of a steel belt layer (71), a metal rope (72), a rubber strip (73) and a rubber wrapping tape (74); the metal rope (72) and the rubber strip (73) are distributed on the outside of the steel belt layer (71); and the outside of the metal rope (72) and the rubber strip (73) are coated with a rubber wrapping tape (74).

5. The silver-plated coaxial high-frequency line according to claim 4, characterized in that: The metal rope (72) and the rubber strip (73) are arranged at intervals, and the metal rope (72) is a steel wire rope.

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