Mechanical button interface for use with environmental controls
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Solution Overview
Problem
Existing environmental control systems are often confusing for users due to complex interfaces with numerous hard buttons and small graphical buttons on touch screens, lacking intuitive navigation and tactile feedback, which can lead to difficulty in adjusting settings effectively.
Innovation Solution
An environmental controller with a mechanical button interface that includes 'UP', 'DOWN', 'NEXT', 'BACK', and 'RETURN' buttons, allowing users to navigate through system modes and screens, providing tactile feedback and simplifying the adjustment of setpoints.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a touch screen with multiple graphical buttons is used to provide maximum functions, then the number of functions is increased, but the size of each individual graphic becomes small and difficult to operate
Solution Approach 1:
The interface is segmented into two distinct parts: a touch screen for displaying multiple graphical buttons and a separate mechanical button interface for navigation. This allows the touch screen to provide maximum functions with multiple graphics while the mechanical buttons provide large, easy-to-operate controls for navigation, resolving the contradiction between having many functions and ease of operation.
2Adaptability or versatility
If numerous hard buttons and small graphical buttons are provided to satisfy all functions, then the number of functions is increased, but the interface becomes confusing and difficult to operate
Solution Approach 1:
The mechanical buttons serve as an intermediary navigation layer between the user and the complex touch screen interface. Instead of requiring users to directly navigate through numerous small graphical buttons, the mechanical buttons provide intuitive directional control (up, down, left, right) that simplifies access to functions across multiple screens, reducing interface complexity while maintaining full functionality.
3Adaptability or versatility
If a touch screen is used to provide all functions, then the number of functions is increased, but tactile feedback is lost and response time increases
Solution Approach 1:
The system merges the advantages of both touch screen and mechanical button interfaces. The touch screen provides comprehensive function access while the mechanical buttons provide immediate tactile feedback and faster response times for navigation. This combination allows the system to maintain all touch screen functions while adding the responsiveness and tactile feedback of mechanical buttons, eliminating the trade-off between function completeness and response speed.
Data Source
AI summary
An environmental controller for use within a comfort control system is disclosed. The environmental controller includes a microprocessor controlled display that incorporates a pair of mechanical buttons, generally known as an “UP” button and a “DOWN” button. The display is adapted to dispose a variety of system/installer modes, including a residential mode. The system modes make use of BACK, NEXT, and RETURN buttons, which are used to navigate through the various system/installer modes along with the increment/decrement mechanical buttons.