CN210006482U

CN210006482U - control cable for bending-resistant EMC system

Info

Publication number: CN210006482U
Application number: CN201921032050.2U
Authority: CN
Inventors: 宋磊; 周建洲; 时兆前; 杜建波; 刘凯; 张奇影
Original assignee: Zhongte Haxon Cable Co Ltd
Current assignee: Zhongte Haxon Cable Co Ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-01-31
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses a resistant control cable for flexure EMC system, the quantity of cable core is seven, and the arrangement mode adopts cable cores to set up in positive central point, all the other six cable cores are the annular and lean on each other, the cable core comprises conductor and insulating layer, the conductor adopts two zero annealing soft copper wires, and copper wire inside packing three divide 's copper foil silk, the insulating layer parcel is twined the surface at the conductor, be provided with the tensile layer in the insulating layer outside of six cable cores that are the annular arrangement, the tensile layer adopts multilayer tensile fiber yarn material to make, the outside of tensile layer is provided with the composite shielding layer, the outer wall parcel of composite shielding layer has wear-resisting outer jacket, the composite shielding layer adopts tinned copper wire to weave and aluminium foil to wrap up the structure of combination, the space is provided with the filling layer between the inside of tensile layer and the cable core, the utility model discloses can provide electromagnetic compatibility performances that can enough satisfy the EMC requirement, possess resistant flexible and resistant good resistant control cable for flexure system EMC.

Description

control cable for bending-resistant EMC system

Technical Field

The utility model relates to a cable product technical field specifically is resistant control cable for warping EMC system.

Background

EMC (electro Magnetic compatibility) is interpreted in Chinese as electromagnetic compatibility and refers to the ability of a device or system to operate in its electromagnetic environment in compliance with requirements and not to generate intolerable electromagnetic interference to any device in its environment, therefore, EMC includes two requirements, namely that the device cannot generate electromagnetic interference to the environment in normal operation exceeding the limit value of , and that the appliance has degrees of immunity to electromagnetic interference existing in the environment, namely electromagnetic sensitivity.

With the widespread use of electronic and electrical equipment, the electromagnetic interference has an increasingly severe effect on the environment, so that the electromagnetic interference and mutual incompatibility of various electrical and electrical equipment in practical application often occur, the electromagnetic interference generated by industrial, scientific, medical, information, motor vehicles, electrical equipment, electric railways and other electrical and electrical equipment can disturb the normal work of public safety and communication equipment, and can affect and harm the daily cultural life of residents and even the personal safety.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an kinds of electromagnetic compatibility that can enough satisfy the EMC requirement can, possess resistant flexure and the good resistant control cable for EMC system of compliance again.

In order to achieve the purpose, the utility model provides a resistant control cable for warping EMC system, including cable core, conductor, insulating layer, tensile layer, compound shielding layer, wear-resisting outer jacket and filling layer, the quantity of cable core is seven, and the arrangement mode adopts cable cores to set up in the exact center position, and other six cable cores are annular each other and lean on , the cable core comprises conductor and insulating layer, the conductor adopts two zero annealing soft copper wires, and copper foil silk that is divided to the filling in the copper wire, the insulating layer parcel is twined around the surface of conductor, be provided with the tensile layer outside the insulating layer of six cable cores that are arranged annularly, the tensile layer adopts multilayer tensile fiber yarn material to make, the outside of tensile layer is provided with compound shielding layer, the outer wall parcel of compound shielding layer has wear-resisting outer jacket, compound shielding layer adopts tinned copper wire to weave and aluminium foil around the structure of making up, wear-resisting outer jacket radiation modification transparent material, be provided with the filling layer between the inside of tensile layer and the cable core, the filling layer adopts the aramid fiber material.

As the utility model discloses a go into step improvements, the conductor adopts the conductive core that the stranded annealing copper wire transposition of stranded processing was twisted again to the bundle hank behind the wire drawing, and the conductor bundle hank and twist adoption with hank to, and the transposition pitch diameter ratio of bundle hank and twist is not more than ten times again.

As the utility model discloses a advance improvement, the insulating layer is made for modified thermoplastic elastomer insulating material, evenly extrudes on the outer wall of conductor through the extruding machine.

As the utility model discloses a go into step improvement, compound shielding layer adopts the tinned copper wire to weave the back and carries out the aluminium foil again and forms around the package combination, and tinned copper wire weaving layer one-way coverage rate is greater than 0.69, and the aluminium foil lap is around wrapping on the tinned copper wire weaving layer and is taken the lid rate and be not less than 30%.

The utility model provides an resistant control cable for warping EMC system possesses following beneficial effect:

the conductor of the technical scheme adopts double-zero annealed soft copper wires, parts of copper foil wires are filled in the copper wires, the conductor cannot be broken after the cable is repeatedly bent due to the diameter of the superfine single wires and the copper foil wires with extremely high toughness, the insulating layer of the technical scheme adopts a modified thermoplastic elastomer material, the cable has lower hardness and super high toughness while playing an electrical insulation requirement, the composite shielding layer of the technical scheme adopts a tinned copper wire weaving and aluminum foil wrapping combined structure, not only can play an excellent water-blocking and moisture-proof role, but also can enable the shielding inhibition coefficient of the cable to be not more than 0.01, the anti-interference performance of the cable meets the requirement of a complex electromagnetic environment, the wear-resistant outer protective layer of the technical scheme adopts a modified transparent PVC material, and has the beneficial technical effects of environmental protection, safety, wear resistance and flexibility, and more convenient maintenance of the cable due to the transparent outer sheath, the cable of the technical scheme has the bending resistance, the wear resistance and the high shielding inhibition coefficient is integrated in bodies, and can be widely applied to the electromagnetic environment which needs.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The reference numbers in the figures are: 1. a cable core; 2. a conductor; 3. an insulating layer; 4. a tensile layer; 5. a composite shielding layer; 6. a wear-resistant outer jacket; 7. and (5) filling the layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments, not all embodiments, of the present invention .

As shown in figure 1, the utility model provides a technical scheme, control cables for a flex-resistant EMC system comprise cable cores 1, conductors 2, insulating layers 3, tensile layers 4, composite shielding layers 5, wear-resistant outer protective layers 6 and filling layers 7, wherein the number of the cable cores 1 is seven, cable cores 1 are arranged in the center of the cable cores, the other six cable cores 1 are arranged in a ring shape and lean against , the cable cores 1 are composed of the conductors 2 and the insulating layers 3, the conductors 2 are made of double zero annealed soft copper wires, tinned wires are filled in the copper wires, the insulating layers 3 wrap the outer surfaces of the conductors 2, the tensile layers 4 are arranged outside the insulating layers 3 of the six cable cores 1 in the ring shape, the tensile layers 4 are made of multilayer tensile fiber yarn shielding materials, the composite shielding layers 5 are arranged outside the tensile layers 4, the outer walls of the composite shielding layers 5 are wrapped with the outer protective layers 6, the composite shielding layers 5 are made of tinned braided wires, the composite shielding layers 5 are made of twisted braided layers, the twisted layers are made of tinned copper wires, twisted copper wires, the twisted copper wires are twisted, the twisted copper wires are made of a twisted wire wrap composite insulating layers, the twisted wire wrap the twisted wire is made of the twisted copper wire wrap the twisted copper wire wrap twisted wire wrap the twisted wire wrap of the twisted composite insulating layers, the twisted wire wrap is equal to be equal to the twisted wire wrap the twisted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

The control cable for the bending-resistant EMC system is characterized by comprising seven cable cores (1), conductors (2), insulating layers (3), a tensile layer (4), a composite shielding layer (5), an abrasion-resistant outer protective layer (6) and filling layers (7), cable cores (1) are arranged in the center of the control cable, the rest six cable cores (1) lean against in a ring shape, the cable cores (1) are composed of the conductors (2) and the insulating layers (3), the conductors (2) are made of double-zero annealed soft copper wires, copper foil wires with the length being equal to three times of are filled in the copper wires, the insulating layers (3) wrap and wind the outer surfaces of the conductors (2), the tensile layer (4) is arranged on the outer sides of the insulating layers (3) of the six cable cores (1) which are arranged in the ring shape, the tensile layer (4) is made of a plurality of tensile fiber yarn materials, the composite shielding layer (5) is arranged on the outer side of the composite shielding layer (5), the outer protective layer (6) wraps the abrasion-resistant shielding layer, the cable cores (1) and the filling layers (7) are made of a modified PVC fiber braided structure, and the aramid fiber filling materials are arranged between the aramid fiber layers (7).
2. The control cable for the flexible EMC system, according to claim 1, wherein the conductor (2) is a conductor core formed by stranding a plurality of strands of annealed copper wires which are drawn and then stranded, the strand and the strand of the conductor are stranded in the same direction, and the ratio of the stranding pitch of the strand and the strand is not more than ten times.
3. control cable for flex endurance EMC system according to claim 1 wherein said insulation layer (3) is made of modified thermoplastic elastomer insulation material uniformly extruded onto the outer wall of the conductor (2) by means of an extruder.
4. The control cable for the flex-resistant EMC system of claim 1, wherein the composite shielding layer (5) is formed by weaving a tinned copper wire and then wrapping with an aluminum foil, the unidirectional coverage rate of the tinned copper wire woven layer is greater than 0.69, the aluminum foil is wrapped on the tinned copper wire woven layer in an overlapping manner, and the overlapping coverage rate is not less than 30%.