Modular RF Transmission Line with Tap Conductor for Transient Voltage Suppression
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Solution Overview
Problem
Existing RF transmission line devices face challenges with inaccessible protective and filtering components, leading to high replacement costs and limited modifiability, as well as inefficiencies in handling transient voltages and signal filtering.
Innovation Solution
A modular RF transmission line device with a tap conductor for diverting transient voltages and a modular attachment for easy replacement of protective and filtering components, featuring a quarter wave stub design for wide band RF transmission and integrated voltage suppression and filtering capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If protective and filtering components are integrated into the RF transmission line device, then reliability and functionality are improved, but ease of repair and maintenance deteriorate due to inaccessibility of components
Solution Approach 1:
The device is divided into separate functional modules: the RF transmission line portion and the protective/filtering attachment. This segmentation allows the protective and filtering components to be accessed, removed, or replaced independently without affecting the RF transmission line, thus resolving the contradiction between integrated functionality and ease of repair.
Solution Approach 2:
A connector or interface mechanism serves as an intermediary between the RF transmission line and the protective/filtering attachment. This intermediary allows the attachment to be coupled to or separated from the transmission line, providing both integrated protection during operation and easy access during maintenance.
2Adaptability or versatility
If protective and filtering components are integrated into the RF transmission line device, then functionality is improved, but device complexity increases
Solution Approach 1:
By separating the protective and filtering components into a distinct attachment rather than integrating them into the RF transmission line structure, the patent adds functionality while minimizing structural complexity. The attachment is a self-contained module that can be coupled to the transmission line without complicating its basic coaxial structure.
Solution Approach 2:
The attachment is designed to provide multiple functions (voltage suppression and signal filtering) in a single integrated component, reducing the need for multiple separate devices and thereby limiting the increase in overall device complexity while enhancing adaptability.
3Object-affected harmful factors
If traditional protective devices with shunt conductors are used, then voltage suppression is improved, but signal filtering capability is limited
Solution Approach 1:
The patent combines voltage suppression components (gas discharge tubes with shunt conductors) and filtering components (inductors and capacitors) into a single integrated attachment. This merging allows the device to handle both transient voltage suppression and signal filtering functions simultaneously, resolving the contradiction between these two capabilities.
Solution Approach 2:
The attachment is designed as a multi-functional component that performs both protective functions (voltage suppression via gas discharge tubes) and filtering functions (signal separation via inductors and capacitors), thereby enhancing adaptability without requiring separate devices for each function.
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 enables cost-effective, modular, and easily maintainable RF transmission with enhanced protective and filtering capabilities, effectively managing transient voltages and signal separation, while maintaining high performance and wide band RF pass characteristics.
Implementation Method 1
a protective device provided with a shunt conductor for diverting undesirable impulses away from an RF transmission line... one or more gas discharge tubes
Implementation Method 2
a quarter wave stub design for wide band RF transmission
Data Source
AI summary
An RF transmission line device with high performance, wide band characteristics includes an inner conductor for transmitting communication signals of a desired frequency band and a grounded outer conductor electrically insulated from the inner conductor by at least one dielectric material. A tap conductor is connected to the inner conductor and serves as an auxiliary path through which signals outside the desired frequency band can be externally injected into and/or retrieved from the through RF path, the tap conductor extending longitudinally through a tap housing conductively coupled to the outer conductor. As a feature of the invention, a modular attachment is removably coupled to the tap housing and includes a plurality of voltage suppression components that are arranged in the conductive path between the tap conductor and the tap housing, the voltage suppression components discharging transient voltages diverted from the inner conductor by the tap conductor.