Dual-Rotation Knob Assembly With Shared Display for Cooking Controls
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Solution Overview
Problem
In composite cooking apparatuses, users face difficulty in distinguishing between knobs for adjusting power levels and timer times, leading to confusion and inconvenient operation, especially when separate displays are not necessary for each function.
Innovation Solution
A knob assembly featuring a rotatable knob handle for power level adjustment and a separate rotatable knob ring for timer time adjustment, both integrated with a display that shows power level and timer time, using different colors to differentiate between the two, allowing for component sharing across various cooking apparatuses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If separate displays are provided for power level and timer time, then information display clarity is improved, but device complexity increases
Solution Approach 1:
The patent combines the power level display and timer time display into a single shared display unit. The display shows different information depending on which knob (power level knob or timer time knob) is being operated, eliminating the need for separate displays while maintaining clear information presentation.
Solution Approach 2:
The single display unit serves multiple functions by displaying both power level information and timer time information. The display adapts its content based on the operational context, making one display component perform the role of what would traditionally require two separate displays.
2Ease of operation
If different colors are used to differentiate power level and timer time, then ease of operation is improved, but manufacturing complexity increases
Solution Approach 1:
The patent employs color differentiation in the display to indicate different operational modes or information types. The display can show different colors for power level information versus timer time information, providing intuitive visual feedback to users and improving ease of operation.
3Device complexity
If a single display is shared between power level and timer time, then device complexity is reduced, but information display clarity may deteriorate
Solution Approach 1:
The display dynamically changes its content based on the operational state. When the power level knob is being adjusted, the display shows power level information; when the timer time knob is being adjusted, it shows timer time information. This dynamic adaptation ensures clear information display despite using a single display unit.
Data Source
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AI summary
A knob assembly with a display that displays information such as power level and a timer time, and a cooking apparatus including a knob assembly are provided. The knob assembly may include a knob coupled to an adjustment shaft configured to adjust power level and a knob ring configured to surround a periphery of the knob, configured to be rotatable independent of the knob, and provided with a display. The display may be provided at the knob ring, and information may be displayed on the display so that a user may easily manipulate the knob assembly.