Anti-interference data cable

Abstract

An anti-interference data cable relates to the technical field of data cables and comprises a cable core, four groups of wire cores wound pairwise are arranged in the cable core, conductors are arranged in the wire cores, an inner sheath is wrapped outside the conductors, the inner sheath is composed of a conductor insulating layer, a signal enhancement layer and a conductor shielding layer, and the signal enhancement layer is wrapped outside the conductor insulating layer. An anti-interference layer is arranged outside the cable core, the anti-interference layer is composed of a conductive polymer layer, a magnetic wave-absorbing material layer, a metal net layer and an isolating layer, a reinforcing layer is arranged outside the anti-interference layer, the reinforcing layer is composed of a fiber braid layer and a metal alloy reinforcing band, a weather-proof protective layer is arranged outside the reinforcing layer, and the weather-proof protective layer is arranged outside the cable core. The weather-proof protective layer is composed of a base layer, a reinforcing layer, a waterproof breathable film, an ultraviolet protective layer and a wear-resistant protective layer, and the scheme solves the problems that the data cable is poor in signal transmission quality, anti-interference performance and durability under the occasions of high-speed data transmission and high-frequency signal transmission.

Description

TECHNICAL FIELD

[0001] The utility model relates to data cable technical field, concretely is an anti -interference data cable. BACKGROUND

[0002] Data cable is a kind of for connecting electronic equipment to transmit data and / or power assembly. It is usually composed of internal wire, insulating layer, shielding layer and outer cover etc., these parts collectively ensure that signal is stable, transmission speed is fast and anti-interference ability is strong. Data cable is widely used between computer, mobile phone, camera, audio equipment etc. electronic product, realizes data synchronization, file transmission, charging etc. Common data cable types include USB line, HDMI line, audio line, network cable etc., and each cable has its specific transmission standard and application scenario.

[0003] For example, the Chinese authorized patent "a data cable" with announcement number CN210925547U includes first sheath, the first sheath is cylindrical, first sheath has hollow first cavity inside;Multiple cable assemblies, multiple cable assemblies are arranged in first cavity, multiple cable assemblies surround data cable center and form a circle, multiple cable assemblies include: second sheath, the second sheath is cylindrical, second sheath has hollow second cavity inside;Multiple pairs of twisted pair wires, multiple pairs of twisted pair wires are arranged in second cavity;Filler, the filler is arranged in data cable center, multiple cable assemblies surround the outside of filler, and the filler adopts polypropylene filling rope.

[0004] Although the data cable in the above-mentioned prior art can meet the basic data transmission and power supply requirements to some extent, it has many shortcomings in terms of electrical conductivity, signal transmission efficiency, anti-interference ability, mechanical strength and weather resistance when facing increasingly complex and demanding application environments. Especially in high-speed data transmission, high-frequency signal transmission and occasions requiring high anti-interference performance, such as data centers, communication base stations, industrial automation and other fields, existing data cables often cannot guarantee stable signal transmission and data integrity, so they do not meet the existing requirements. Therefore, we propose an anti-interference data cable. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an anti-interference data cable to solve the problem of poor signal transmission quality, anti-interference performance and durability of data cable in high-speed data transmission and high-frequency signal transmission occasions as mentioned in the background.

[0006] To achieve the above object, the utility model provides the following technical scheme: an anti -interference data cable, the inside of cable core is equipped with four groups of two two winding wire core, the inside of wire core is provided with conductor, the outside of conductor is wrapped with inner sheath, the inner sheath is composed of conductor insulation layer, signal enhancement layer and conductor shielding layer, the outside of cable core is provided with anti -interference layer, the anti -interference layer is composed of conductive polymer layer, magnetic wave -absorbing material layer, metal net layer and isolation layer, the outside of anti -interference layer is provided with reinforcing layer, the reinforcing layer is composed of fibre braiding layer and metal alloy reinforcing belt, the outside of reinforcing layer is provided with weather -resistant protective layer, the weather -resistant protective layer is composed of base layer, enhancement layer, waterproof breathable membrane, ultraviolet protection layer and wear -resisting protective layer.

[0007] Preferably, the conductive polymer layer is fixed on the outside of the cable core by an adhesive, the magnetic wave -absorbing material layer is fixed on the outside of the conductive polymer layer by an adhesive, the metal net layer is wrapped on the outside of the magnetic wave -absorbing material layer, and the isolation layer is coated on the outer wall of the metal net layer.

[0008] Preferably, the fibre braiding layer is braided on the outside of the anti -interference layer, and the metal alloy reinforcing belt is embedded in the outside of the fibre braiding layer.

[0009] Preferably, the base layer is extrusion-molded on the outside of the reinforcing layer, the enhancement layer is fixed on the outside of the base layer by an adhesive, the waterproof breathable membrane is coated on the outside of the enhancement layer, the ultraviolet protection layer is extrusion-molded on the outside of the waterproof breathable membrane, and the wear -resisting protective layer is extrusion-molded on the outside of the ultraviolet protection layer.

[0010] Preferably, the conductor is twisted by a plurality of oxygen-free copper filaments.

[0011] Preferably, the conductor insulation layer is extrusion-molded on the outside of the conductor, the signal enhancement layer is fixed on the outside of the conductor insulation layer by an adhesive, and the conductor shielding layer is wrapped on the outside of the signal enhancement layer.

[0012] Preferably, resin is filled in the gap between the cable core and the wire core.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a combination of conductive polymer layer, magnetic wave -absorbing material layer and metal net layer, forms multilayer, multi -mechanism anti -interference system, effectively blocks and absorbs the electromagnetic wave interference of different frequency, and magnetic wave -absorbing material layer can efficiently absorb electromagnetic wave energy and convert it into heat energy or other forms of energy consumption, significantly reduce the reflection and propagation of electromagnetic wave, and the metal net layer forms a physical barrier, further blocks the propagation of electromagnetic wave, improves the overall anti -interference ability.

[0015] 2、The utility model discloses a high-purity oxygen-free copper as the center conductor, ensures low loss and high efficiency of signal transmission, the use of fluoroplastic insulation layer and signal enhancement layer reduces signal attenuation, improves transmission stability, the double shielding structure of aluminum foil and braided mesh effectively blocks external electromagnetic interference, ensures the stable transmission of signal under complex electromagnetic environment, is applicable to high -speed data transmission, high -frequency signal transmission and the occasion that needs high anti -interference performance, such as data center, communication base station, industrial automation etc.

[0016] 3、The utility model discloses the combination of enhancement layer and ultraviolet protection layer, significantly improve the adaptability of cable to extreme weather conditions, such as high temperature, low temperature, strong ultraviolet radiation etc., prolong the service life of cable, waterproof and breathable membrane layer allows water vapor to pass through while ensuring the dryness inside the cable, effectively prevent the corrosion and aging problem caused by water vapor accumulation, the joint action of basic protection layer and wear -resisting protection layer makes cable have very high wear resistance and chemical corrosion resistance, can resist various physical and chemical damage, waterproof and breathable membrane layer allows the moderate gas exchange between the inside of cable and the external environment while ensuring waterproof, help reduce the water vapor accumulation and temperature rise inside the cable. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the perspective drawing of the utility model;

[0018] Figure 2 It is the internal structure schematic drawing of the utility model;

[0019] Figure 3 It is the anti -interference layer structure schematic drawing of the utility model;

[0020] Figure 4 It is the strengthening layer structure schematic drawing of the utility model;

[0021] Figure 5 It is the weather -resistant protection layer structure schematic drawing of the utility model;

[0022] Figure 6 It is the internal sheath structure schematic drawing of the utility model.

[0023] In the drawing: 1, cable core;2, wire core;3, anti -interference layer;31, conductive polymer layer;32, magnetic wave -absorbing material layer;33, metal mesh layer;34, isolation layer;4, strengthening layer;41, fiber braided layer;42, metal alloy reinforcing belt;5, weather -resistant protection layer;51, basic layer;52, enhancement layer;53, waterproof and breathable membrane;54, ultraviolet protection layer;55, wear -resisting protection layer;6, conductor;71, conductor insulation layer;72, signal enhancement layer;73, conductor shielding layer;7, internal sheath;8, resin filling. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] Please refer to Figures 1-6 , the utility model provides an embodiment: an anti -interference data cable, including cable core 1, four groups of two two winding wire core 2 are established in the inside of cable core 1, wire core 2's inside is provided with conductor 6, the outside of conductor 6 is wrapped with inner sheath 7, and inner sheath 7 is composed of conductor insulation layer 71, signal enhancement layer 72 and conductor shielding layer 73, and conductor 6 is twisted into by multiple strands of oxygen-free copper fine wire, conductor insulation layer 71 is extruded and formed on the outside of conductor 6, signal enhancement layer 72 is fixed on the outside of conductor insulation layer 71 by adhesive, and conductor shielding layer 73 is wrapped on the outside of signal enhancement layer 72, and resin filling 8 is arranged at the gap between cable core 1 and wire core 2;Conductor 6 uses high-purity oxygen-free copper as the center conductor, to ensure the best conductivity and signal transmission quality;Conductor insulation layer 71 is provided with a layer of ultrathin polyethylene around the center conductor to reduce signal attenuation and prevent short circuit;Signal enhancement layer 72 is carbon nanotube, to improve signal transmission efficiency and stability;Conductor shielding layer 73 uses the double shielding structure of aluminum foil and woven mesh, the aluminum foil is used to reflect high-frequency electromagnetic interference, and the woven mesh provides the blocking ability to low-frequency electromagnetic waves, to further enhance the anti-interference performance.

[0026] Please refer to Figure 1 , Figure 2 and Figure 3 , the outside of cable core 1 is provided with an anti-interference layer 3, and the anti-interference layer 3 is composed of a conductive polymer layer 31, a magnetic wave-absorbing material layer 32, a metal mesh layer 33 and an isolation layer 34, the conductive polymer layer 31 is fixed on the outside of the cable core 1 by adhesive, the magnetic wave-absorbing material layer 32 is fixed on the outside of the conductive polymer layer 31 by adhesive, the metal mesh layer 33 is wrapped on the outside of the magnetic wave-absorbing material layer 32, and the isolation layer 34 is coated on the outer wall of the metal mesh layer 33, the conductive polymer layer 31 is selected from polyaniline, which is synthesized by chemical or electrochemical method, and has excellent conductivity and environmental stability;The magnetic wave-absorbing material layer 32 is ferrite, which is used to absorb and consume electromagnetic wave energy;The metal mesh layer 33 is a fine stainless steel structure, which forms a physical barrier to further block the propagation of electromagnetic waves;The isolation layer 34 is polyether ether ketone, which provides electrical isolation and physical protection, while maintaining the overall flexibility and durability.

[0027] Please refer to Figure 1 , Figure 2 and Figure 4, the outer part of the anti-interference layer 3 is provided with a reinforcing layer 4, the reinforcing layer 4 is composed of a fiber woven layer 41 and a metal alloy reinforcing belt 42, the fiber woven layer 41 is woven outside the anti-interference layer 3, and the metal alloy reinforcing belt 42 is embedded outside the fiber woven layer 41, the fiber woven layer 41 is aramid fiber, a high-strength fiber network is formed through a weaving process, and serves as a first layer reinforcing structure inside the cable; the metal alloy reinforcing belt 42 is embedded with a layer of stainless steel alloy belt outside the high-strength fiber woven layer, has high yield strength and good ductility, and can further enhance the tensile strength and torsional capacity of the cable;

[0028] The combination of the high-strength fiber woven layer and the metal alloy reinforcing belt significantly improves the tensile strength and torsional capacity of the cable, so that the cable can withstand greater mechanical stress and prolong the service life.

[0029] Please refer to Figure 1 , Figure 2 and Figure 5 , the outer part of the reinforcing layer 4 is provided with a weatherproof protective layer 5, the weatherproof protective layer 5 is composed of a base layer 51, an enhanced layer 52, a waterproof and breathable film 53, an ultraviolet protection layer 54 and a wear-resistant protective layer 55, the base layer 51 is extrusion molded outside the reinforcing layer 4, the enhanced layer 52 is fixed outside the base layer 51 by an adhesive, the waterproof and breathable film 53 is coated outside the enhanced layer 52, the ultraviolet protection layer 54 is extrusion molded outside the waterproof and breathable film 53, and the wear-resistant protective layer 55 is extrusion molded outside the ultraviolet protection layer 54, the base layer 51 is thermoplastic polyurethane, has excellent elasticity, wear resistance and chemical corrosion resistance, and can provide basic protection for the cable; the enhanced layer 52 is nano aluminum oxide, through the filling effect of nano particles, the hardness, wear resistance and weather resistance of the material are improved; the waterproof and breathable film 53 is a microporous polytetrafluoroethylene film, which ensures the waterproof performance while allowing water vapor to pass through, effectively preventing corrosion and aging caused by water vapor accumulation inside the cable; the ultraviolet protection layer 54 is a zinc oxide coating added with an ultraviolet absorber, which can absorb or reflect ultraviolet rays to protect the cable from damage caused by ultraviolet radiation; and the wear-resistant protective layer 55 is thermoplastic polyester, which has high wear resistance and physical strength.

[0030] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. An interference-resistant data cable comprising a core (1), characterized in that: The inside of the cable core (1) is provided with four groups of two twisted wire cores (2), the inside of the wire core (2) is provided with a conductor (6), the outside of the conductor (6) is wrapped with an inner sheath (7), the inner sheath (7) is composed of a conductor insulation layer (71), a signal enhancement layer (72) and a conductor shielding layer (73), the outside of the cable core (1) is provided with an anti-interference layer (3), the anti-interference layer (3) is composed of a conductive polymer layer (31), a magnetic wave-absorbing material layer (32), a metal mesh layer (33) and an isolation layer (34), the outside of the anti-interference layer (3) is provided with a reinforcing layer (4), the reinforcing layer (4) is composed of a fiber woven layer (41) and a metal alloy reinforcing belt (42), the outside of the reinforcing layer (4) is provided with a weather-resistant protective layer (5), the weather-resistant protective layer (5) is composed of a base layer (51), an enhancement layer (52), a waterproof and breathable film (53), an ultraviolet protection layer (54) and a wear-resistant protective layer (55).

2. The anti-jamming data cable of claim 1, wherein: The conductive polymer layer (31) is fixed on the outside of the cable core (1) by an adhesive, the magnetic wave-absorbing material layer (32) is fixed on the outside of the conductive polymer layer (31) by an adhesive, the metal mesh layer (33) is wrapped on the outside of the magnetic wave-absorbing material layer (32), and the isolation layer (34) is coated on the outer wall of the metal mesh layer (33).

3. The anti-jamming data cable of claim 1, wherein: The fiber woven layer (41) is woven on the outside of the anti-interference layer (3), and the metal alloy reinforcing belt (42) is embedded on the outside of the fiber woven layer (41).

4. The tamper-resistant data cable of claim 1, wherein: The base layer (51) is extrusion molded on the outside of the reinforcing layer (4), the enhancement layer (52) is fixed on the outside of the base layer (51) by an adhesive, the waterproof and breathable film (53) is coated on the outside of the enhancement layer (52), the ultraviolet protection layer (54) is extrusion molded on the outside of the waterproof and breathable film (53), and the wear-resistant protective layer (55) is extrusion molded on the outside of the ultraviolet protection layer (54).

5. The tamper-resistant data cable of claim 1, wherein: The conductor (6) is twisted by a plurality of oxygen-free copper filaments.

6. The tamper-resistant data cable of claim 1, wherein: The conductor insulation layer (71) is extrusion molded on the outside of the conductor (6), the signal enhancement layer (72) is fixed on the outside of the conductor insulation layer (71) by an adhesive, and the conductor shielding layer (73) is wrapped on the outside of the signal enhancement layer (72).

7. The tamper-resistant data cable of claim 1, wherein: A resin filling (8) is arranged at the gap between the cable core (1) and the wire core (2).

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