Rotary knob assembly with display
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In composite cooking apparatuses, users face difficulty in distinguishing between knobs for adjusting power levels and timer settings, leading to confusion and suboptimal user experience, especially when separate displays are not necessary.
Innovation Solution
A knob assembly featuring a rotatable knob for power level adjustment and an independent knob ring with a display for showing power level and timer time, where the knob ring can return to its initial position and includes encoders for detecting manipulations, allowing for unified display of information with color differentiation between power level and timer time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If separate displays are provided for power level and timer information, then information display completeness is improved, but device complexity increases
Solution Approach 1:
The patent combines the power level display and timer display into a single shared display unit. The display shows power level information when the knob is rotated and timer information when the knob ring is rotated, eliminating the need for separate display components while maintaining complete information presentation.
Solution Approach 2:
The display dynamically changes its content based on which component is being manipulated. When the inner knob is rotated, the display shows power level information; when the outer knob ring is rotated, the display shows timer information. This dynamic adaptation allows one display to serve multiple functions without user confusion.
2Measurement precision
If multiple separate controls are provided for power level and timer adjustment, then control precision is improved, but ease of operation deteriorates
Solution Approach 1:
The patent merges the power level adjustment knob and timer adjustment knob into a single integrated control assembly. The inner knob controls power level while the outer ring controls timer, allowing both functions to be accessed from one location rather than requiring users to locate and operate separate controls.
Solution Approach 2:
The control assembly has differentiated local qualities: the inner knob and outer ring are structurally distinct with different rotational characteristics. The inner knob is optimized for power level adjustment while the outer ring is optimized for timer adjustment, allowing each function to have its own optimized control interface within the unified assembly.
3Adaptability or versatility
If independent displays are installed for different cooking apparatuses, then adaptability is improved, but manufacturing precision requirements increase
Solution Approach 1:
The control assembly with the shared display is designed as a universal component that can be applied to various cooking apparatuses including gas ranges, electric ranges, and composite cooking apparatuses. The display adapts its content based on the specific apparatus operation rather than requiring different display hardware for different applications.
Solution Approach 2:
By combining multiple display functions into a single display unit, the patent reduces the number of components that need to be manufactured and assembled. This consolidation simplifies manufacturing processes and reduces precision requirements compared to installing and aligning multiple separate display components for different functions.
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
Enhances user convenience by clearly displaying power level and timer information on a single interface, reducing the need for separate displays and improving design cohesion across various cooking apparatuses.
Implementation Method 1
The encoder may be provided and configured to detect a manipulation of the knob ring
Data Source
Figure 1
Figure 2
Figure 3~4
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.