Cooktop Ventilation Swirler Guide for Safe, Stable Suction
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Solution Overview
Problem
Existing ventilation apparatuses face challenges in maintaining suction performance due to installation position and user safety concerns, particularly when obstacles or walls interfere with the swirler, leading to degraded suction and safety risks.
Innovation Solution
A cooking device with a ventilation apparatus featuring a swirler guide that covers the swirler and guides air flow radially, ensuring swirl formation and user safety by positioning the swirler under the introduction port and using a swirler guide with a rounded shape to direct air flow, while the driving unit is located above to minimize interference, and a filter unit to clean the air before discharge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the swirler is exposed to the outside for high-speed rotation, then suction performance is improved, but user safety is compromised
Solution Approach 1:
The swirler is nested within the swirler guide structure, which encloses the rotating components while allowing the suction function to operate effectively through the guide's opening
Solution Approach 2:
The swirler guide acts as an intermediary structure between the swirler and the external environment, mediating the conflict by containing the swirler to ensure safety while maintaining the necessary air flow for suction performance
2Adaptability or versatility
If the swirler is positioned near walls or obstacles, then installation flexibility is improved, but swirl formation is hindered and suction performance degrades
Solution Approach 1:
The swirler guide serves as an intermediary that shapes and directs air flow, ensuring proper swirl formation even when the apparatus is installed near walls or obstacles by controlling the air flow path through its structured opening
Solution Approach 2:
The swirler guide modifies the air flow parameters (direction, velocity distribution) to maintain effective swirl formation under various installation conditions, allowing the system to adapt to different spatial constraints
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 maintains suction performance regardless of installation position and enhances user safety by ensuring effective swirl formation and containment of swirler components, thereby improving air flow and safety features.
Implementation Method 1
a swirler rotated to suction the contaminated air through the introduction port of the base and having a plurality of wings
Implementation Method 2
The swirler is rotated at a high speed
Data Source
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AI summary
Provided is a cooking device (1) according to one aspect including a main body (10) having a cooking space (11) for cooking food; and a ventilation apparatus (20) disposed at a lower side of the main body (10) and configured to suction contaminated air into the main body (10) and then to discharge the contaminated air from the main body (10), wherein the ventilation apparatus (20) includes a base (21, 22) connected to the lower side of the main body (10) and having an introduction port (23); a swirler (30) rotated to suction the contaminated air through the introduction port (23) of the base (21, 22) and having a plurality of wings (32); a driving unit (51) configured to generate power for rotating the swirler (30); and a swirler guide (40) configured to cover the swirler (30) under the swirler (30) and to guide a flow of the air flowing in a radial direction of the swirler (30).