Rotary Ring Interface With Light Strip for Angular Position Feedback
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Solution Overview
Problem
Existing operating devices for domestic appliances with rotary rings make it difficult for users to easily discern the angular position of the rotary ring, leading to confusion in setting operating conditions.
Innovation Solution
Incorporating a separate optical light strip adjacent to the rotary ring that indicates the rotary path traveled, allowing for improved visual perception of the angular position and preventing the display area from rotating undesirably, thus enhancing the user's ability to track and select operating conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the rotary ring is integrated with the display area, then the design is compact, but the display area rotates undesirably when the rotary ring is operated
Solution Approach 1:
The operating element is divided into two separate components: the rotary ring and the display area. The rotary ring can rotate independently to change operating conditions, while the display area remains stationary to provide stable visual feedback. This segmentation resolves the contradiction by allowing the rotary ring to be operated without causing the display area to rotate, while still maintaining a compact integrated design.
2Difficulty of detecting and measuring
If no visual indicator is added, then the device complexity is low, but the angular position of the rotary ring is difficult to discern
Solution Approach 1:
A light strip is added that changes its illumination state (on/off or different colors) to indicate the angular position of the rotary ring. This provides clear visual feedback about the current setting without requiring complex mechanical indicators or additional moving parts, thus improving detectability while keeping the device relatively simple.
3Volume of moving object
If the light strip is integrated with the rotary ring, then the visual indication is compact, but the technical implementation becomes complex
Solution Approach 1:
The light strip is extracted from the rotary ring structure and positioned separately adjacent to it. This allows the light strip to remain stationary while the rotary ring rotates, simplifying the mechanical connection and signal wiring. The light strip can be independently controlled to indicate the angular position without being physically attached to the rotating component, reducing technical complexity while maintaining compact visual arrangement.
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 provides a clear and intuitive way for users to understand the angular position of the rotary ring, improving the tracking of selectable operating conditions and maintaining an unobstructed view of the display, even when the rotary ring is gripped, while allowing for compact design and simple signal connection.
Implementation Method 1
an optical light strip 9 in the form of a circumferential ring is formed adjacent to the rotary ring 7 and separate from the rotary ring 7, which light strip is used to indicate visually the length of a rotary path travelled by the rotary ring 7 in a rotary movement
Data Source
AI summary
An operating device for a domestic appliance includes an operating element having a rotary ring to set operating conditions of the domestic appliance according to a rotary movement, and an electronic display area enclosed by the rotary ring. An optical light strip in a form of a circumferential ring is arranged adjacent to and separate from the rotary ring to indicate visually a length of a rotary path travelled by the rotary ring in a rotary movement.