HVAC Controller Display Layout for Guided Installer Setup
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Solution Overview
Problem
Existing electronic devices, such as HVAC control panels, lack ease of use, assembly, and reliability, leading to suboptimal performance and user experience.
Innovation Solution
The development of an HVAC controller with a display featuring a dot matrix format and predefined fixed segment graphical icons, allowing for sequential display of installer setup items, including names and values, and a method for setting up the controller that includes accepting selections of predefined icons to reveal hidden values, enhancing user interaction and assembly processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional display interface is used in HVAC controllers, then the device complexity is reduced, but the ease of operation deteriorates due to lack of intuitive setup guidance
Solution Approach 1:
The controller pre-sequences installer setup items in a predetermined order, automatically presenting configuration steps in the correct sequence without requiring the installer to navigate menus or understand the setup process flow. This preliminary organization of information significantly improves ease of setup while maintaining simple interface elements.
Solution Approach 2:
The display interface is segmented into distinct functional regions: a first region displaying setup item identifiers and names, and a second region displaying fixed segment graphical icons representing available actions or values. This segmentation organizes complex setup information into manageable, intuitive sections that improve operability without increasing overall device complexity.
2Ease of operation
If all installer setup item values are displayed simultaneously, then the loss of information is reduced, but the ease of operation worsens due to information overload
Solution Approach 1:
The controller prepares and stages setup information in advance, displaying only the current setup item's relevant values and options in the second region while keeping other items available in the sequence. This preliminary organization ensures information is accessible when needed without overwhelming the installer with all possible values simultaneously.
Solution Approach 2:
Rather than displaying all possible setup values at once (excessive action), the interface displays only the partial set of values relevant to the current setup item being configured. This selective display reduces information overload while maintaining access to complete information through the sequential navigation mechanism.
3Measurement precision
If a dot matrix display format is used, then the measurement precision of displayed information is improved, but the device complexity increases
Solution Approach 1:
The display is segmented into two distinct types: a dot matrix region providing high-resolution text and numerical information for setup item identifiers and names, and a fixed segment icon region providing stable, easily recognizable graphical representations of actions and values. This segmentation leverages the precision of dot matrix technology where needed while using simpler fixed segments for iconic information.
Solution Approach 2:
Different display regions are assigned different qualities appropriate to their function: the dot matrix region provides high measurement precision for displaying variable text information like setup item names and values, while the fixed segment region provides stable, high-contrast graphical icons for actions and selections. Each region's display characteristics are optimized for its specific purpose.
Data Source
AI summary
An HVAC controller including a controller and a display operatively coupled to the controller. The display may include a first region and a second region. The first region of the display may have an array of pixels arranged in a plurality of rows and a plurality of columns for displaying an image in a dot matrix format. The second region of the display may have a plurality of predefined fixed segment graphical icons. The controller may be configured to sequentially display two or more installer set up items. Illustratively, each of the installer setup items may include an installer set up item number displayed in the second region of the display, an installer setup item name that may be displayed in the first region of the display, and an installer setup item value that may be displayed in the first region of the display.