HVAC controller indicating current temperature and set point temperature
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Solution Overview
Problem
Existing HVAC systems lack intuitive and efficient mechanisms for users to interact with and control temperature settings, leading to suboptimal comfort and energy usage.
Innovation Solution
An HVAC controller with an analog display featuring a dial and stepper motor that indicates current and set point temperatures, along with LEDs for mode indication, allowing users to easily adjust and monitor temperature settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a digital display is used to show temperature settings, then information can be displayed clearly, but user interaction becomes less intuitive and tactile
Solution Approach 1:
The patent combines digital temperature display with an analog rotary dial interface into a single integrated control mechanism. The rotary dial physically rotates to change temperature settings while digital LEDs display the current temperature value, merging tactile interaction with clear visual feedback to resolve the contradiction between information clarity and ease of operation
Solution Approach 2:
The patent employs a circular rotary dial interface that provides natural tactile feedback through rotation. The curved, analog-style dial allows users to intuitively adjust temperature settings by turning the dial, maintaining ease of operation while digital indicators provide precise temperature information
2Adaptability or versatility
If multiple control buttons and displays are added to provide comprehensive control options, then functionality is improved, but device complexity increases
Solution Approach 1:
The rotary dial serves multiple functions: it displays the current temperature setting, allows temperature adjustment through rotation, and provides tactile feedback for user interaction. This single multi-functional component replaces what would traditionally require multiple separate buttons and displays, maintaining versatility while reducing device complexity
Solution Approach 2:
The patent uses LED indicators that visually replicate the temperature value shown on the analog dial scale. This copying approach allows the system to provide digital precision information without requiring a separate digital display interface, reducing component complexity while maintaining adaptability
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 interaction and control over HVAC systems, improving comfort and energy efficiency by providing clear visual feedback and enabling precise temperature adjustments.
Implementation Method 1
a pointer connected to a stepper motor. The stepper motor may set a position of the pointer to indicate, or 'point,' at a marker corresponding to a current temperature of the area
Implementation Method 2
the dial may include a set of LEDs which indicate one or more markers of the set of markers which correspond to one or more temperature set points
Data Source
AI summary
In some examples, a device controls a heating, ventilation, and air conditioning (HVAC) system within a building. The device includes an analog display including a set of markers, a stepper motor, and a pointer connected to the stepper motor. Additionally, the device includes processing circuitry configured to control the stepper motor in order to cause the pointer to indicate a first marker of the set of markers, wherein the first marker corresponds to a current parameter value and control a dial to indicate a set point parameter value by indicating a second marker of the set of markers which corresponds to the set point parameter value.