CN214588097U

CN214588097U - High electromagnetic shielding fatigue-resistant flexible control cable

Info

Publication number: CN214588097U
Application number: CN202120732023.7U
Authority: CN
Inventors: 吴晓晨; 卢晨麟; 钱懿; 李志远; 吴林锴
Original assignee: Jiangsu Zhongchao Cable Corp
Current assignee: Jiangsu Zhongchao Cable Corp
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-11-02
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a high electromagnetic shielding fatigue-resistant flexible control cable, which comprises a cable core, wherein the cable core is formed by stranding a plurality of control wire cores; the cable core is filled with the filling ropes at the gaps, a first wrapping layer is wrapped outside the cable core, a high electromagnetic shielding layer is wrapped outside the first wrapping layer in an overlapping mode, a second wrapping layer is wrapped outside the high electromagnetic shielding layer, an inner sheath is extruded outside the second wrapping layer, an armor layer is woven outside the inner sheath, and finally an anti-fatigue outer sheath is extruded outside the armor layer. The utility model discloses shielding nature, heat resistance, ageing-resistant, fatigue-resistant, resistant time, temperature resistance performance such as high strength have.

Description

High electromagnetic shielding fatigue-resistant flexible control cable

Technical Field

The utility model relates to a cable field specifically is a high electromagnetic shield type flexible control cable that endures fatigue.

Background

The control cable is a power supply connecting circuit for directly transmitting electric energy from a power distribution point of an electric power system to various electric equipment appliances, belongs to the electric equipment cable, and has more complex structure and composition materials, and the composition materials of each structure of the control cable are various according to the special requirements of the use temperature and the working environment. With the rapid development of information such as artificial intelligence and the internet of things, the demands of automation and intelligent equipment are continuously increased, and the market of control cables is developed.

The production, manufacturing and transformation of the wire and cable industry immediately promotes the development of the control cable industry, the control cable industry is promoted to become the second production, processing and manufacturing industry of China, and the market share of products in the China sales market reaches nine percent. At present, the national production total value of the control cable industry in China exceeds a plurality of countries, and becomes a technology-leading cable production and manufacturing country. And with the continuous development of the wire and cable industry in China, a large number of related new companies are developed, and the companies compete with each other, so that the independent innovation and diversification of the control cable production process are reasonably promoted, the upgrading and updating speed of products is increased, and a large amount of new strength is introduced into all the cable industries.

The control cable is mainly applied to more concentrated places of control equipment, particularly to control rooms of some equipment, and the cables are difficult to avoid being interfered by electromagnetic waves or electromagnetic waves when transmitting power signals. In addition, a plurality of cables need to be dragged along with equipment for use in the operation process, and the existing steel-tape armored control cable is easy to cause the cable armor layer and the extrusion material to be fatigued and damaged and short-circuited after being dragged and bent for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that exists among the prior art, provide a high electromagnetic shield type flexible control cable that endures fatigue.

The utility model relates to a high electromagnetic shielding fatigue-resistant flexible control cable, which comprises a cable core, wherein the cable core is formed by stranding a plurality of control wire cores; the cable core is filled with the filling ropes at the gaps, a first wrapping layer is wrapped outside the cable core, a high electromagnetic shielding layer is wrapped outside the first wrapping layer in an overlapping mode, a second wrapping layer is wrapped outside the high electromagnetic shielding layer, an inner sheath is extruded outside the second wrapping layer, an armor layer is woven outside the inner sheath, and finally an anti-fatigue outer sheath is extruded outside the armor layer.

In a further improvement, the control wire core is composed of a soft copper conductor and an insulating layer extruded outside the soft copper conductor.

The soft copper conductor is further improved, the conductor is formed by twisting five types of tinned soft copper wires in a bundle mode, and the diameter of each copper wire is 0.15-0.25 mm.

The insulating layer is further improved and is formed by extruding high-melt-strength polypropylene, and the thickness of the extruded layer is 0.8-1.2 mm.

The improved filling rope is formed by weaving high-performance para-aramid fiber yarns.

The first wrapping layer and the second wrapping layer are respectively made of reinforced polyamide fiber cloth with excellent fatigue resistance and aging resistance, a gap wrapping structure is adopted, the thickness is 0.4mm, and the gap width control range is 30-60 mm.

Further improve, high electromagnetic shield layer adopt the electrically conductive cotton cloth of EMI that has good shielding performance, adopt the individual layer to overlap around the package structure, take the lid width no less than 3 mm.

The inner sheath is formed by extrusion molding of polycarbonate plastic with excellent fatigue resistance, and the nominal thickness is 1.0-1.2 mm.

The improved armor layer is formed by weaving carbon fiber wires with the diameter of 0.12 mm-0.2 mm.

The improved anti-fatigue outer sheath is formed by extruding a thermoplastic elastomer TPE material with excellent anti-fatigue, weather-resistant and temperature-resistant performances, and the nominal thickness of the anti-fatigue outer sheath is 1.8-2.0 mm.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the cable shielding layer abandons the common copper wire or copper strip shielding before, adopts the EMI that has good shielding performance to electrically conduct the cotton cloth of bubble, and this material is on adopting the bubble cotton core that EPDM constitutes to electrically conductive weaving layer winding, and electrically conductive weaving layer comprises silver-plated nickel nylon or nickel copper alloy silk usually, has good electric conductivity and shielding performance, when meetting the radio wave, then can reflect according to the nature of its object, absorb, provide splendid shielding effect, improved the shielding effect of cable greatly.

2. The cable insulating layer, the wrapping layer, the inner sheath layer, the braided armor layer and the outer sheath layer are made of anti-fatigue materials, so that the cable has excellent fatigue resistance and the service life of the cable is prolonged; the wrapping layer is made of reinforced polyamide fiber cloth, 30% of glass fiber is added into the original polyamide fiber cloth, the mechanical property, the dimensional stability, the heat resistance and the aging resistance of the material are obviously improved, and the fatigue resistance is 2.5 times that of the common polyamide fiber cloth; the inner sheath layer is made of polycarbonate plastic, and the material has high strength and elastic coefficient, high impact strength, wide use temperature range, excellent fatigue resistance and weather resistance; the woven armor layer is formed by weaving novel carbon fiber yarns, the material is high in axial strength and modulus, low in density, high in specific performance, free of creep deformation, resistant to ultra-high temperature in a non-oxidation environment, good in fatigue resistance, low in thermal expansion coefficient, anisotropic, good in corrosion resistance and good in X-ray permeability, and specific heat and conductivity are between nonmetal and metal.

3. The materials used by the cable are flexible materials, and particularly, the armor replaces the original steel-tape armor, so that the flexibility of the cable is greatly improved, and the cable can still be dragged at will under a specific environment.

Drawings

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

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The high electromagnetic shielding fatigue-resistant flexible control cable shown in fig. 1 comprises a cable core, wherein the cable core is formed by stranding a plurality of control wire cores; the control wire core is composed of a soft copper conductor 1 and an insulating layer 2 extruded outside the soft copper conductor; the soft copper conductor is formed by twisting five types of tinned soft copper wires in bundles, wherein the diameter of each copper wire is 0.15-0.25 mm; the insulating layer is formed by extruding high-melt-strength modified polypropylene, and the thickness of the extruded layer is 0.8-1.2 mm; the cable core has excellent shock-resistant and energy-absorbing performance, high recovery rate after deformation, good heat resistance, chemical resistance, oil resistance and heat insulation, light weight, environmental protection and recoverability; the filling rope 3 is filled in the gap of the cable core and is woven by high-performance para-aramid fiber yarns, the strength of the cable core is 5-6 times that of steel wires, the specific modulus of the cable core is 2-3 times that of steel or glass fibers, the toughness of the cable core is 2 times that of the steel, and the weight of the cable core is only about 1/5 times that of the steel, so that the cable core not only can be used as a load-bearing structure of the cable, but also can be used as a functional material for heat prevention, ablation prevention and corrosion prevention, and the cable has excellent performances of high strength, high temperature resistance, acid and alkali resistance, light weight and the like; a first wrapping layer 4 is wrapped outside the cable core, reinforced polyamide fiber cloth with excellent fatigue resistance and aging resistance is adopted, a gap wrapping structure is adopted, the thickness is 0.4mm, and the gap width control range is 30-60 mm; the first wrapping layer is externally overlapped with a wrapping high electromagnetic shielding layer 5, the cable shielding layer abandons the common copper wire or copper strip shielding in the past, and adopts EMI conductive foam cotton cloth with good shielding performance, the material is that a conductive braided layer is wound on a foam cotton core formed by EPDM, the conductive braided layer usually consists of silver-plated nickel nylon or nickel-copper alloy wires, the cable has good conductivity and shielding performance, and when radio waves occur, the cable can reflect and absorb the radio waves according to the properties of objects and provide excellent shielding effect; the second wrapping layer 6 is wrapped outside the high electromagnetic shielding layer, the reinforced polyamide fiber cloth with excellent fatigue resistance and aging resistance is adopted, the gap wrapping structure is adopted, the thickness is 0.4mm, the gap width control range is 30-60 mm, 30% of glass fiber is added into the original polyamide fiber cloth, the mechanical property, the size stability, the heat resistance and the aging resistance are obviously improved, and the fatigue resistance is 2.5 times that of the common polyamide fiber cloth; the inner sheath 7 is extruded outside the second wrapping layer and is formed by extruding polycarbonate plastic with excellent fatigue resistance, the nominal thickness is 1.0-1.2mm, and the cable has high strength, elastic coefficient, high impact strength, wide range of service temperature and excellent fatigue resistance and weather resistance; the armor layer 8 is woven outside the inner sheath, and is formed by weaving carbon fiber wires with the diameter of 0.12 mm-0.2 mm, so that the cable is high in axial strength and modulus, low in density, high in specific performance, free of creep deformation, resistant to ultrahigh temperature in a non-oxidation environment, good in fatigue resistance, small in thermal expansion coefficient, anisotropic, good in corrosion resistance and good in X-ray permeability, and specific heat and conductivity are between those of nonmetal and metal; and finally, extruding and wrapping a fatigue-resistant outer sheath 9 outside the armor layer, wherein the fatigue-resistant outer sheath is formed by extruding and wrapping a thermoplastic elastomer TPE material, and the nominal thickness is 1.8-2.0 mm, so that the cable has excellent fatigue resistance, weather resistance and temperature resistance.

The utility model discloses the concrete application way is many, and the above-mentioned only is the preferred embodiment of the utility model, should point out, to ordinary skilled person in this technical field, under the prerequisite that does not deviate from the utility model discloses the principle, can also make a plurality of improvements, and these improvements also should be regarded as the utility model discloses a scope of protection.

Claims

1. A high electromagnetic shielding fatigue-resistant flexible control cable comprises a cable core, wherein the cable core is formed by stranding a plurality of control wire cores; the anti-fatigue cable is characterized in that a filling rope is filled in a gap of the cable core, a first wrapping layer is wrapped outside the cable core, a high electromagnetic shielding layer is wrapped outside the first wrapping layer in an overlapping mode, a second wrapping layer is wrapped outside the high electromagnetic shielding layer, an inner sheath is extruded outside the second wrapping layer, an armor layer is woven outside the inner sheath, and finally an anti-fatigue outer sheath is extruded outside the armor layer.

2. The high electromagnetic shielding fatigue-resistant flexible control cable of claim 1, wherein: the control wire core is composed of a soft copper conductor and an insulating layer extruded outside the soft copper conductor.

3. The high electromagnetic shielding fatigue-resistant flexible control cable of claim 2, wherein: the soft copper conductor is formed by twisting five types of tinned soft copper wires in a bundle mode, and the diameter of each copper wire is 0.15-0.25 mm.

4. The high electromagnetic shielding fatigue-resistant flexible control cable of claim 2, wherein: the insulating layer is formed by extruding high-melt-strength polypropylene, and the thickness of the extruded layer is 0.8-1.2 mm.

5. The high electromagnetic shielding fatigue-resistant flexible control cable of claim 1, wherein: the filling rope is formed by weaving high-performance para-aramid fiber yarns.

6. The high electromagnetic shielding fatigue-resistant flexible control cable of claim 1, wherein: the first wrapping layer and the second wrapping layer are respectively made of reinforced polyamide fiber cloth with excellent fatigue resistance and aging resistance, a gap wrapping structure is adopted, the thickness is 0.4mm, and the control range of the width of the gap is 30-60 mm.

7. The high electromagnetic shielding fatigue-resistant flexible control cable of claim 1, wherein: the high electromagnetic shielding layer adopts the EMI conductive foam cotton cloth with good shielding performance, adopts single-layer overlapping wrapping structure, and has the cover lapping width not less than 3 mm.

8. The high electromagnetic shielding fatigue-resistant flexible control cable of claim 1, wherein: the inner sheath is formed by extrusion molding of polycarbonate plastic with excellent fatigue resistance, and the nominal thickness is 1.0-1.2 mm.

9. The high electromagnetic shielding fatigue-resistant flexible control cable of claim 1, wherein: the armor layer is formed by weaving carbon fiber wires with the diameter of 0.12 mm-0.2 mm.

10. The high electromagnetic shielding fatigue-resistant flexible control cable of claim 1, wherein: the fatigue-resistant outer sheath is formed by extruding a thermoplastic elastomer TPE material with excellent fatigue resistance, weather resistance and temperature resistance, and the nominal thickness of the fatigue-resistant outer sheath is 1.8-2.0 mm.