Cooking Chamber Deodorization Using Plasma Odor Removal
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Solution Overview
Problem
Conventional cooking devices fail to effectively remove odor and odor-producing materials, leading to unpleasant experiences, especially when cooking fish.
Innovation Solution
A cooking device equipped with an odor removal unit that generates plasma discharge to remove odor-producing materials, utilizing ozone and ions, and includes a controller to automatically operate based on cooking modes and user input, with an ozone removal unit to manage residual ozone.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional cooking devices are used, then cooking function is provided, but odor and odor-producing materials escape to the outside causing unpleasant experience
Solution Approach 1:
The patent extracts odor-producing materials from the cooking chamber air stream by introducing a plasma discharge odor removal unit. This unit generates plasma that breaks down odor-producing materials into harmless substances, effectively separating and removing the harmful components from the air flow before discharge to the outside environment.
Solution Approach 2:
The patent changes the chemical state of odor-producing materials through plasma discharge. The plasma generates reactive species and energy that transform the molecular structure of odor-causing compounds, converting them from harmful aromatic substances into harmless breakdown products, thereby changing the chemical parameters of the air composition.
2Object-affected harmful factors
If plasma discharge is used to remove odor-producing materials, then odor removal effectiveness is improved, but device complexity increases
Solution Approach 1:
The odor removal unit is designed to perform multiple functions: it removes odor-producing materials through plasma discharge, filters particulate matter, and can operate in different modes depending on cooking conditions. This multi-functionality consolidates several air treatment functions into a single integrated unit, reducing overall device complexity while maintaining effectiveness.
Solution Approach 2:
The patent introduces an intermediary plasma discharge unit between the cooking chamber and the external environment. This intermediary component handles the complex task of odor removal through plasma technology, isolating the complexity from the main cooking device structure and allowing the primary cooking functions to remain simple and straightforward.
3Object-affected harmful factors
If odor removal unit operates continuously, then odor removal performance is maintained, but energy consumption increases
Solution Approach 1:
The odor removal unit operates periodically rather than continuously, activating during and after cooking cycles when odor-producing materials are present. The controller monitors cooking status and triggers plasma discharge only when needed, creating a periodic operation pattern that maintains odor removal performance while significantly reducing overall energy consumption compared to continuous operation.
Solution Approach 2:
The system incorporates feedback control where the controller monitors cooking conditions and air quality, then adjusts the operation of the odor removal unit accordingly. When odor-producing materials are detected or cooking is in progress, the plasma discharge is activated; when cooking is complete and no odor sources remain, operation is reduced or stopped, optimizing energy usage based on real-time conditions.
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
Effectively removes odor and odor-producing materials from the cooking space, improving user experience by minimizing odor release and ensuring safe ozone levels.
Implementation Method 1
an odor removal unit configured to generate a plasma discharge for removing odor-producing materials from the cooking chamber
Implementation Method 2
The plasma discharge may generate ozone and/or ions for removing the odor-producing materials
Data Source
AI summary
A method for deodorizing air in a cooking device including exhausting air containing odor-producing materials from a cooking chamber of the cooking device through a first opening, and selectively deodorizing air passing through the first opening by removing the odor-producing materials.