Waveguide Conversion Tube for Linear E-Plane and H-Plane Switching
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Solution Overview
Problem
Existing RF signal transmission devices face challenges in efficiently converting between E-plane and H-plane without bending the waveguide path, which complicates manufacturing and increases complexity.
Innovation Solution
A device comprising a first waveguide, a second waveguide, and a conversion tube that allows for linear transmission and conversion between E-plane and H-plane by using a transverse section with partially overlapping quadrilaterals, enabling direct conversion without curved sections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If waveguide structures are bent or twisted into screw shapes to convert between E-plane and H-plane, then plane conversion is achieved, but manufacturing complexity and device length increase
Solution Approach 1:
The waveguide structure is divided into three distinct segments: a first waveguide for H-plane signal input, a conversion tube with overlapping quadrilateral transverse section for plane conversion, and a second waveguide for E-plane signal output. This segmentation allows each component to have a specific function, achieving plane conversion through a simple linear arrangement rather than complex bent structures.
Solution Approach 2:
The conversion tube introduces a new dimensional approach by using a transverse section where two quadrilaterals partially overlap each other. This overlapping configuration in the transverse dimension enables plane conversion without requiring longitudinal bending or twisting of the waveguide path, thus maintaining linearity while achieving the desired functionality.
2Adaptability or versatility
If waveguide structures are bent or twisted to achieve plane conversion, then E-plane and H-plane conversion is possible, but manufacturing efficiency decreases
Solution Approach 1:
By segmenting the waveguide into straight linear sections connected by a conversion tube, the structure becomes suitable for standard manufacturing processes. Each segment can be fabricated separately and assembled, avoiding the need for complex bending or twisting operations that would reduce manufacturing efficiency.
Solution Approach 2:
The overlapping quadrilateral transverse section in the conversion tube provides a manufacturable geometry that can be produced using conventional fabrication techniques. This dimensional approach allows plane conversion without requiring difficult-to-manufacture curved or twisted waveguide paths.
3Adaptability or versatility
If curved paths are included in waveguide structures for plane conversion, then E-plane and H-plane conversion is achieved, but manufacturing complexity increases
Solution Approach 1:
The waveguide system is segmented into straight linear sections that are easy to manufacture and assemble. The conversion function is isolated to a specific conversion tube component with a well-defined overlapping quadrilateral geometry, making the entire system more manufacturable compared to uniformly bent or twisted structures.
Solution Approach 2:
The overlapping quadrilateral transverse section provides a geometric solution that achieves plane conversion through its cross-sectional configuration rather than through curved paths. This approach simplifies manufacturing by eliminating the need for complex bending operations while maintaining the conversion functionality.
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
Facilitates efficient conversion between E-plane and H-plane with reduced manufacturing complexity and line length, enhancing manufacturing efficiency and meeting required return loss specifications.
Implementation Method 1
a conversion tube that extends linearly and has a transverse section with a shape in which two quadrilaterals partially overlap each other, and is disposed between the first waveguide and the second waveguide to connect the first waveguide and the second waveguide, wherein when the RF signal has an H-plane, it passes through the conversion tube and is converted into an E-plane, and when the RF signal has an E-plane, it passes through the conversion tube and is converted into an H-plane
Data Source
AI summary
A device for transmitting an RF signal is disclosed. The device for transmitting an RF signal may include a first waveguide that has a rectangular transverse section with a long side and a short side and extends linearly, and is disposed so that an RF (radio frequency) signal enters one side thereof and the RF signal exits the other side; a second waveguide that has the same shape of transverse section as the transverse section of the first waveguide and extends linearly, and is disposed on the other side of the first waveguide so that the RF signal enters one side thereof and exits the other side, and its transverse section is disposed in a form that crosses the transverse section of the first waveguide; and a conversion tube that extends linearly and has a transverse section with a shape in which two quadrilaterals partially overlap each other, and is disposed between the first waveguide and the second waveguide to connect the first waveguide and the second waveguide.