Radio frequency coaxial cable with compressive shielding function
A radio frequency coaxial cable, functional technology, applied in the direction of circuits, electrical components, waveguides, etc., can solve problems such as communication failures, damage, and pressure-resistant shielding functions that are difficult to adapt to harsh use requirements, etc., to achieve extended service life and good bending performance , Enhance the effect of anti-pressure shielding function
Inactive Publication Date: 2015-05-06
江苏通鼎光电科技有限公司
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- Abstract
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Problems solved by technology
Due to the deficiencies in the material and structure of the existing radio frequency coaxial cables, when the cables are used in the communication industry, their anti-pressure shielding function is difficult to meet the harsh requirements of use, and they are easily damaged and cause communication failures.
Method used
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[0019] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0020] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0021] A radio frequency coaxial cable with anti-crush shielding function, such as figure 1 As shown, it includes an inner conductor 1, an insulating layer 2, an outer conductor 3 and an outer sheath 5 arranged from the inside out; a double steel tape armor layer 4 is also arranged between the outer conductor 3 and the outer sheath 5 ; The outer conductor 3 is a conductive plastic outer conductor with a seamless tubular structure. The outer conductor 3 is easy to process, covered as a whole, and no gap is generated.
[0022] It should be noted that the outer conductor 3 utilizes an extrusion machine to adopt an extrusion-type production method, so the outer conductor 3 as a shielding l...
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The invention provides a radio frequency coaxial cable with a compressive shielding function. The radio frequency coaxial cable comprises an inner conductor, an insulating layer, an outer conductor and an outer jacket which are arranged front inside to outside, a double-steel-belt armored layer is arranged between the outer conductor and the outer jacket, and the outer conductor is a seamless electroconductive plaster outer conductor. An outer conductor shielding layer integrally wrapped by electroconductive plastic is adopted and is seamless, thereby being free of electromagnetic leakage and good in shielding effect. In addition, the outer conductor shielding layer is not made by using a nonferrous metal material and replaces a lining layer of the steel-belt armored layer in the cable, so that manufacturing cost of the cable is lowered. The double-steel-belt wrapped armored layer is adopted, so that the cable is high in mechanical strength and bending performance, the compressive shielding function of the cable is enhanced, and service life of the cable is prolonged.
Description
technical field [0001] The invention belongs to the technical field of cables, in particular to a radio frequency coaxial cable with the function of anti-pressure shielding. Background technique [0002] Coaxial cables are widely used in wired transmission network systems such as cable television transmission network systems, closed-circuit television systems, monitoring systems, and security systems. , It is also used in other impedance matching wired transmission networks with similar purposes. With the continuous improvement of people's living standards, in order to obtain more real transmission information, the requirements for coaxial cables are also getting higher and higher. Due to the deficiencies in material and structure of the existing radio frequency coaxial cables, when the cables are used in the communication industry, their anti-pressure shielding function is difficult to meet the harsh requirements of use, and they are easily damaged and cause communication ...
Claims
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Inventor 沈小平周江
Owner 江苏通鼎光电科技有限公司