Analog HVAC controller including dial for setting temperature set points
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Solution Overview
Problem
Current HVAC systems lack an efficient and user-friendly method for dynamically adjusting temperature set points and modes, often requiring complex programming and manual intervention, which can lead to inefficient energy use and comfort issues.
Innovation Solution
An HVAC controller with a dial and analog display that allows users to easily switch between heating and cooling set points, using a rotatable dial with LEDs to indicate modes and temperature changes, and enabling communication with external devices for remote control and data exchange.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a digital display and programming interface are used for temperature control, then temperature set points can be precisely adjusted, but the system becomes complex and difficult to operate
Solution Approach 1:
The display is segmented into multiple independent LED indicators: a rotating ring of temperature value LEDs, directional arrow LEDs for mode indication, and status LEDs. This segmentation allows complex temperature information to be presented through simple, intuitive visual elements that are easy to interpret at a glance.
Solution Approach 2:
The patent replaces complex mechanical or digital programming interfaces with an optical display system using LEDs. The temperature control is achieved through rotational input that directly manipulates the visual display, eliminating the need for complex menus, buttons, or digital programming while maintaining precision.
2Adaptability or versatility
If heating and cooling set points are independently adjustable, then flexible temperature control is achieved, but there is risk of improper configuration leading to energy inefficiency
Solution Approach 1:
The system provides visual feedback through the LED display showing both heating and cooling set points simultaneously. The rotating ring display and directional arrows give immediate feedback on current mode and temperature values, allowing users to verify proper configuration and preventing energy-inefficient settings where heating and cooling set points might overlap incorrectly.
Solution Approach 2:
The display dynamically adapts its presentation based on operational mode. The same rotating ring display shows different information depending on whether heating or cooling is active, and the system can dynamically adjust set points while providing continuous visual feedback, ensuring energy efficiency is maintained throughout operation.
3Ease of operation
If a rotatable dial with multiple LED indicators is used, then the interface becomes intuitive and easy to use, but the device complexity increases
Solution Approach 1:
The rotating ring of LED indicators serves multiple functions: displaying temperature values, indicating operational mode through directional arrows, and providing status information. This single structural element performs what would otherwise require multiple separate display components, reducing overall device complexity while maintaining intuitive operation.
Solution Approach 2:
The system changes the operational parameters of the LED indicators based on mode. The same physical LED ring changes its illumination pattern, rotation direction, and displayed values depending on whether heating or cooling is active. This parameter-based adaptation allows a single structure to replace multiple specialized components.
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
Enables intuitive adjustment of temperature set points, improves energy efficiency by maintaining heating set points below cooling set points, and enhances user comfort through seamless integration with smart devices for remote control and monitoring.
Implementation Method 1
a plurality of light emitting diodes (LEDs) arranged in a circular pattern around the circumference of the analog display
Data Source
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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. Additionally, the devices includes processing circuitry configured to determine whether one or both of a cooling set point mode and a heating set point mode is activated and cause a set point to change from a first set point value to a second set point value in response to receiving a first rotation input to a dial. Additionally, the processing circuitry is configured to control a set of LEDs to transition from illuminating a first marker of the set of markers to illuminating a second marker of the set of markers, wherein the first marker corresponds to the first set point value and the second marker corresponds to the second set point value.