Coaxial Filter Housing Merging for Compact Assembly
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Solution Overview
Problem
Existing coaxial filters have a large construction volume and require many components, leading to high-precision reproducibility issues and increased costs, which complicates their assembly and affects electric properties.
Innovation Solution
A coaxial filter design featuring a housing with a trough-shaped structure and a one-piece resonator inner conductor arrangement, reducing the number of components and assembly points, allowing for a simpler, cost-efficient production process with improved electric properties and reduced interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional coaxial filters are constructed with multiple discrete components and continuous frames, then the filter can be assembled with standard parts, but the construction volume becomes large and assembly precision becomes difficult to reproduce
Solution Approach 1:
The patent merges multiple discrete components into a single integrated housing structure made of electrically conducting material. The housing combines the functions of multiple frames and lid arrangements into one piece, eliminating the need for separate components and their associated assembly operations. This integration directly reduces the number of components while improving manufacturing precision and reproducibility of electric properties.
Solution Approach 2:
The housing structure serves multiple functions simultaneously: it provides mechanical support, acts as an electromagnetic shield, and forms the resonator cavities. This multi-functionality eliminates the need for separate components for each function, reducing overall device complexity while maintaining or improving manufacturing precision.
2Volume of moving object
If traditional coaxial filters use multiple continuous frames and lid arrangements, then the filter can be assembled with standard components, but the construction height becomes large
Solution Approach 1:
Multiple frames and lid arrangements are merged into a single integrated housing structure, significantly reducing the construction height. The housing is designed as one piece that combines the functions of multiple separate components, eliminating the cumulative height of stacked frames and lids while simplifying the assembly process to a single installation operation.
Solution Approach 2:
The patent transitions from a multi-layer stacked structure (multiple frames and lids in vertical arrangement) to a single-integrated three-dimensional housing structure. This dimensional reorganization reduces the vertical height while maintaining all necessary functional volumes, effectively solving the construction height problem without compromising ease of manufacture.
3Productivity
If traditional coaxial filters require many discrete components, then the filter can be assembled with standard parts, but production costs increase and assembly time increases
Solution Approach 1:
The patent combines multiple discrete components into a single integrated housing structure, reducing the number of assembly points from multiple frame and lid connections to a single housing installation. This dramatically increases assembly speed and productivity while eliminating the complexity of coordinating multiple component assemblies.
Solution Approach 2:
The housing structure is pre-manufactured as a single integrated component with all necessary features already incorporated. This preliminary action of integrating components during manufacturing rather than during final assembly eliminates time-consuming on-site assembly operations and reduces the number of assembly points to a minimum.
4Manufacturing precision
If traditional coaxial filters use many discrete components with adhesive bonding, then the filter can be assembled flexibly, but high-precision reproducible electric properties are not achieved
Solution Approach 1:
The patent merges multiple discrete components that require adhesive bonding into a single integrated housing structure. This eliminates the adhesive bonding process entirely and removes the variability introduced by manual or automated bonding operations. The integrated housing ensures consistent electric properties through precise manufacturing of a single piece rather than assembly of multiple parts with varying bond qualities.
Data Source
AI summary
A coaxial filter comprises a housing that surrounds a receiving space. The housing comprises a trough-shaped housing element with sidewalls and a front wall. The housing further comprises a further trough-shaped housing element, wherein the two trough-shaped housing elements are placed on top of one another, thus forming the receiving space; or a lid arrangement which, together with the trough-shaped housing element forms the receiving space. At least one resonator inner conductor arrangement comprises a connecting bridge, with which resonator inner conductors are conductingly connected.