Compact Satellite Feed System with Integral Waveguide Housing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional feed systems for satellite reception are bulky, requiring large parabolic mirrors and compromising reception quality, especially when attempting multi-feed reception, due to their wide housing structure and lateral positioning of components.
Innovation Solution
A compact feed system design featuring a one-piece cast housing with a cylindrical waveguide and separate converter chamber, where decoupling pins are anchored on the printed circuit board and protrude into the waveguide, allowing for narrower construction and improved assembly, enabling multi-feed reception with smaller mirrors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If conventional feed systems use lateral positioning of converter housing relative to waveguide, then signal reception function is achieved, but overall housing width becomes large (60-70 mm)
Solution Approach 1:
The converter housing is merged with the waveguide structure to form a one-piece cast housing, eliminating the need for separate lateral positioning of the converter housing. This integration reduces the overall housing width from 60-70 mm to less than 45 mm while maintaining all necessary functions.
Solution Approach 2:
The waveguide is repositioned from a lateral arrangement to a front-facing arrangement relative to the housing. This dimensional change allows the waveguide to emerge on the front side of the housing, enabling a more compact overall structure with reduced width.
2Adaptability or versatility
If feed systems are designed for multi-feed reception, then reception capability is improved, but mirror diameter requirement increases to 80 cm
Solution Approach 1:
Multiple waveguides are integrated into a single compact housing structure, allowing multiple feed signals to be received and processed within a small form factor. This enables multi-feed reception with a 60 cm mirror instead of requiring 80 cm or larger.
3Ease of manufacture
If decoupling pins are mechanically connected to converter housing, then assembly is simplified, but signal coupling efficiency decreases
Solution Approach 1:
The decoupling pins are segmented into two functional parts: electrical contact elements for signal coupling and mechanical support elements for structural connection. This segmentation allows optimized performance in both signal coupling and mechanical assembly.
Solution Approach 2:
The decoupling pins serve as intermediary elements between the waveguide and the printed circuit board, providing both electrical signal transmission and mechanical support functions through their dual-purpose design.
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 design achieves narrower overall width, allowing for efficient multi-feed reception with smaller mirrors (60 cm diameter), enhancing reception performance and protecting the converter from external damage, while maintaining optimal signal quality.
Implementation Method 1
Two decoupling pins protrude into the interior of the waveguide, via which the electromagnetic waves can be received, which are emitted by the satellite in two planes of polarization perpendicular to one another
Implementation Method 2
a waveguide (7), in particular a cylindrical waveguide, in which an electromagnetic wave can be transmitted
Data Source
Figure 1
Figure 2~3
Figure 4
AI summary
The feed system (1) has a waveguide (7) and a converter, which is placed in a converter housing. The waveguide and the housing of the converter are formed as one-piece Housing. The integral housing (3) has a chamber, in which a printed circuit board of the converter is placed. The two uncoupling pins are aligned perpendicularly to each other. A coupling pin is arranged in an angular manner and lies parallel to the level of the printed circuit board.