HF Coaxial Cable Angular Plug Connection
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Solution Overview
Problem
Existing HF coaxial angular plug connections have high production costs and complex installation processes, with limited flexibility in design that restricts their use in compact spaces and high-frequency applications.
Innovation Solution
A HF coaxial cable with a corrugated sheath and a smaller bending radius than the manufacturer's minimum, achieved through cold forming with a bending force transverse to the cable and a tensile force along it, allowing for a compact angular plug connection with improved signal transmission at frequencies above 4 GHz.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If soldered connections are used to join cable conductors to housing conductors, then reliable electrical connection is achieved, but production costs and installation complexity increase significantly
Solution Approach 1:
The patent replaces the mechanical soldering process with a mechanical crimping connection system. The cable outer conductor is crimped directly onto the housing outer conductor region, and the cable inner conductor is crimped onto the housing inner conductor region, eliminating the need for soldered connections while maintaining reliable electrical contact and simplifying the manufacturing process
2Volume of moving object
If the cable bending radius is reduced below the manufacturer's minimum specification, then compact angular plug connection design is enabled, but cable signal transmission quality may deteriorate
Solution Approach 1:
The patent changes the cable construction parameters by using a corrugated outer conductor instead of a smooth one. This corrugated structure increases the cable's flexibility and allows it to be bent to radii smaller than the manufacturer's minimum specification for smooth cables, while maintaining signal transmission quality through the rigidized corrugated structure that prevents excessive deformation
3Adaptability or versatility
If a corrugated outer conductor is used instead of smooth, then cable flexibility and bend radius are improved, but manufacturing complexity increases
Solution Approach 1:
The patent employs a corrugated outer conductor shell that provides flexible bending capability while maintaining structural integrity. The corrugated thin-walled structure allows the cable to be bent to small radii without excessive deformation, enabling compact angular plug connections while the corrugation pattern itself provides the necessary flexibility
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution reduces production costs and complexity, enabling compact designs while maintaining or improving high-frequency signal transmission quality, even below the manufacturer's minimum bending radius specifications.
Implementation Method 1
a permanent curved bend subtending an angle between 85° and 95° in the corrugated coaxial cable with a radius length rα extending from a center point to the curved bend of the HF corrugated coaxial cable which provides the line impedance Zk with a maximum of less than 1 ohm when 0.2 rk,min≤rα≤0.9 rk,min
Implementation Method 2
cold forming with a bending force transverse to the cable and a tensile force along it
Data Source
AI summary
The invention is a HF coaxial cable that comprises a cable inner conductor and a cable outer conductor, as well as an angular plug connection at least one of its two cable ends. The cable is straight HF corrugated cable including a cable outer conductor, a trimmed HF corrugated cable end, straight plug connector connected to the prepared cable end; and a cold forming region of the HF corrugated cable which is bent with a force directed transversely to a longitudinal extension of the HF corrugated cable and a tensile force applied to the cable. The HF corrugated cable is permanently bend, to have a bending radius which alters line impedance to be a maximum of 1 ohm.