Semi-flexibility coaxial radio frequency cable
A coaxial radio frequency cable, semi-flexible technology, applied in the direction of insulated cables, bendable cables, cables, etc., can solve the problems of low transmission performance, high production cost, and expensive fluoroplastics, so as to improve transmission rate and save consumption , Improve the effect of insulation electrical properties
Inactive Publication Date: 2012-08-22
SUZHOU BAOXING WIRE & CABLE
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Problems solved by technology
Due to the high price of fluoroplastics, although the semi-flexible coaxial radio frequency cables in the prior art can meet the current application requirements in terms of performance, they have the disadvantages of high production cost and low transmission performance when they are solidly pushed by fluoroplastics.
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Embodiment Construction
[0017] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0018] see figure 1 , a semi-flexible coaxial radio frequency cable provided by the present invention comprises a coaxial inner conductor 10, an insulating layer 20, a braided tin-impregnated layer 40, and an outer sheath 50 from the inside to the outside. The insulating layer 20 has a A polytetrafluoroethylene layer with a plurality of porous voids 30 .
[0019] In this embodiment, the inner conductor 10 is a silver-plated copper conductor.
[0020] In this embodiment, the insulating layer 20 is formed by extruding a polytetrafluoroethylene layer on the silver-plated copper conductor, and the extruding process of the polytetrafluoroethylene layer prepares a plurality of hole-like voids with the same pore diameter inside it. 30, and the hole-like spaces 30 are evenly spaced along the coaxial circumference of the inner conductor 10, and the ...
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The invention provides a semi-flexibility coaxial radio frequency cable, which comprises an inner conductor, an insulation layer and a weaving tin immersion layer from the inside to the outside. The inner conductor, the insulation layer and the weaving tin immersion layer are coaxial. The insulation layer is a polytetrafluoroethylene layer with a plurality of hole-shaped gaps inside, and a gas insulation medium is filled in the hole-shaped gaps. Compared with the prior art, the semi-flexibility coaxial radio frequency cable adopts the polytetrafluoroethylene as the insulation layer, the hole-shaped gaps are arranged inside the polytetrafluoroethylene and the gas insulation medium is filled inside the hole-shaped gaps, use of an expensive insulation material polytetrafluoroethylene is reduced, electric performance of the insulation layer is improved simultaneously, insulation performance is improved, transmission performance of the cable is further improved, cable size is reduced under the condition that same electric performance is retained, and production cost of the cable is greatly reduced.
Description
technical field [0001] The invention relates to a coaxial radio frequency cable, in particular to a semi-flexible coaxial radio frequency cable with hole-shaped gaps in the insulating layer. Background technique [0002] At present, the basic structure of semi-flexible coaxial radio frequency cables on the market is composed of coaxial inner conductor, insulating layer, braiding layer, tin-impregnated layer and sheath layer from the inside to the outside. The insulating layer is made of polytetrafluoroethylene solid pushed. Due to the high price of fluoroplastics, although the performance of the semi-flexible coaxial radio frequency cables in the prior art can meet the current application requirements, the solid extrusion of fluoroplastics has the disadvantages of high production cost and low transmission performance. Therefore, it is really necessary to develop a semi-flexible coaxial radio frequency cable that saves materials, reduces the size of the cable structure, has ...
Claims
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IPC IPC(8): H01B7/02H01B7/04H01B7/17
Inventor 李海雄
Owner SUZHOU BAOXING WIRE & CABLE