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Water-blocking type radio frequency coaxial cable and manufacturing process thereof

A technology of radio frequency coaxial cable and manufacturing process, which is applied in the direction of circuits, electrical components, waveguide devices, etc., can solve problems such as abnormal operation of equipment, weakened signal transmission performance, scrapped and replaced cables, etc., and achieve good water blocking effect and speed Fast, high-throughput results

Active Publication Date: 2017-01-04
JIANGSU TRIGIANT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the cable runs in water for a long time, the insulation dielectric constant will gradually increase, the attenuation constant will gradually increase, and the signal transmission performance will gradually weaken. To a certain extent, the equipment will not operate normally, and the cable will need to be scrapped and replaced if it does not reach the design service life. Bring great inconvenience to people's production and life

Method used

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  • Water-blocking type radio frequency coaxial cable and manufacturing process thereof
  • Water-blocking type radio frequency coaxial cable and manufacturing process thereof

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Embodiment Construction

[0017] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] Such as figure 1 and figure 2 As shown, a water-blocking type radio frequency coaxial cable, the cable structure is arranged in sequence from the inside to the outside: the cable inner conductor 1, the insulation layer 2 is arranged outside the cable inner conductor 1, the outer conductor 3 is arranged outside the insulation layer 2, the outer conductor 3. Protective layer 4 is set outside. Wherein, the outer conductor 3 is composed of aluminum rods through continuous extrusion, stretching, cooling, and embossing; After the machine, medium-frequency induction is used to heat and extrude in sections, and high-strength carbon steel material screws and barrels are used for homogeneous extrusion, and then split and joined to form aluminum tubes with uniform thickness, which are then coated on the surface of the core wire through stretch...

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Abstract

The invention discloses a water-blocking type radio frequency coaxial cable and a manufacturing process thereof. The cable is sequentially equipped with a cable inner conductor, an insulating layer, an outer conductor and a protective layer from inside to outside, wherein the outer conductor is made of extruded aluminum rods, the aluminum rods are continuously extruded into aluminum tubes, and the aluminum tubes are subjected to processes such as stretching, cooling and embossing. The manufacturing process comprises the following specific steps of: adopting two aluminum rods as blank, carrying out straightening, alkali-washing and blow-drying on the two aluminum rods under the normal temperature, and strongly guiding the two aluminum rods into a machine; after the two aluminum rods enter the machine, adopting a medium-frequency inducting ring to induct and heat the two aluminum rods in sections, and homogenizing and extruding by use of a carbon-steel screw with extremely high strength and a screw barrel; and then, carrying out dividing and splice-grafting to form aluminum tubes with uniform thicknesses, stretching the aluminum tubes, coating the surface of a core cable with the aluminum tubes in a spaced manner, quickly cooling by pure water subjected to low-temperature treatment during coating, and embossing. According to the water-blocking type radio frequency coaxial cable and the manufacturing process thereof disclosed by the invention, influences on the insulating property during long-time operation in water of the radio frequency coaxial cable of solder-skip water seepage of welding seams are solved, good water-blocking effects and social benefits are achieved.

Description

technical field [0001] The invention relates to a radio frequency coaxial cable product and its manufacturing process in the field of communication transmission, in particular to a water-blocking radio frequency coaxial cable and its manufacturing process. The outer conductor of the cable is manufactured by extruding an aluminum rod into an aluminum tube, and the protective layer is The water-repellent polymer material is made by molding extrusion process, and finally a radio frequency coaxial cable can be laid in water for long-term use. This type of cable can be used in special occasions where communication signals need to be transmitted in water, and can be widely used in mines, cabins, concealed underwater facilities, and ordinary communication base stations, underground pipelines, grooves, ditches and other closed area space communications covered by water Signal transmission. Background technique [0002] RF coaxial cable, also known as feeder, is a communication cabl...

Claims

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Application Information

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IPC IPC(8): H01P3/06H01P11/00
CPCH01P3/06H01P11/005
Inventor 赵士悦钱利荣郭志宏宋德兴
Owner JIANGSU TRIGIANT TECH
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