Distributed RF/Microwave Thawing With Paired Antenna Units
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Solution Overview
Problem
Existing radio frequency or microwave thawing devices suffer from power density unevenness, high energy loss, and inflexible power management, leading to inefficient and potentially unsafe thawing processes.
Innovation Solution
A distributed radio frequency or microwave thawing device with multiple antenna units, each powered by a separate generation module, and a control system for independent unit management, ensuring uniform power distribution and flexible operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If only one pair of antennas is used in the radio frequency space, then the device structure is simple, but the power density becomes uneven and energy loss increases
Solution Approach 1:
The patent divides the single antenna system into multiple antenna units (first antenna group and second antenna group with multiple antenna elements). Each antenna element is independently controlled by separate radio frequency generation modules, allowing distributed power delivery and reducing energy loss while maintaining manageable system complexity through modular architecture.
Solution Approach 2:
The patent implements different power density distributions across different spatial locations by using multiple antenna elements positioned at different locations. Each antenna element can be independently controlled to provide optimized local power density, ensuring uniform overall distribution while preventing energy loss that would occur with a single centralized antenna.
2Device complexity
If only one pair of antennas is used, then the antenna structure is simple, but the power density distribution becomes uneven
Solution Approach 1:
The patent segments the antenna system into multiple independently controllable antenna elements arranged in arrays. This segmentation allows each element to contribute to the overall power density distribution, achieving uniform power delivery across the processing chamber while keeping individual element structures simple and manufacturable.
Solution Approach 2:
The patent combines multiple antenna elements into coordinated arrays (first antenna group and second antenna group) that work together to produce uniform power density distribution. The individual simple antenna structures are merged through synchronized operation to achieve the complex goal of uniform power distribution that would be difficult to achieve with a single antenna.
3Power
If high power is required, then more antennas are needed, but the device complexity and power loss increase
Solution Approach 1:
The patent segments the high power delivery system into multiple independent radio frequency generation modules, each connected to specific antenna elements. This allows the system to scale power output by adding modular units rather than increasing the complexity of a single centralized system, maintaining manageable complexity while achieving high total power output.
Solution Approach 2:
The patent implements dynamic control of multiple antenna elements and radio frequency generation modules, allowing the system to adapt power distribution in real-time. This dynamic capability enables high power output when needed while maintaining system simplicity through coordinated operation of modular components that can be independently adjusted.
4Ease of operation
If centralized power delivery is used, then the system is simple to control, but energy loss and power density unevenness occur
Solution Approach 1:
The patent incorporates feedback mechanisms that monitor power density distribution and energy loss across multiple antenna elements. This feedback enables centralized control systems to automatically adjust individual antenna element operation, maintaining energy efficiency and uniform power distribution without requiring complex manual control of each component.
Solution Approach 2:
The patent implements dynamic control where the centralized system can rapidly adjust power delivery to individual antenna elements based on real-time conditions. This dynamic capability maintains ease of centralized operation while preventing energy loss through optimized power distribution that adapts to changing operational requirements.
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 device achieves uniform thawing, reduces energy loss, allows for flexible unit selection and maintenance, and enhances safety by minimizing power density variations and enabling simultaneous thawing of multiple items.
Implementation Method 1
Radio frequency or microwave thawing is a new type of thawing method, which makes lattice, molecules and ions in articles to be thawed vibrate and rotate violently through the high-speed changing radio frequency or microwave oscillating electromagnetic field to heat up
Implementation Method 2
the power supply module, the radio frequency or microwave generation module, the measuring unit and the antenna means are connected in sequence
Data Source
AI summary
A distributed radio frequency or microwave thawing device includes one or more thawing units. The thawing unit includes a power supply module, a radio frequency or microwave generation module, a measuring unit, a tuning module, a control unit, an antenna module and a thawing chamber. The antenna module is disposed in the thawing chamber and includes a first antenna group and a second antenna group, the first antenna group includes one or more first antennas, the second antenna group includes one or more second antennas, the first antenna and the second antenna are arranged in pairs, pairs of first antenna and second antenna are arranged in parallel and opposite to each other and form an antenna unit, a plurality of antenna units are arranged side by side. The number of each of the radio frequency or microwave generation module and the measuring unit is one or more.