HVAC system with headless thermostat
Solution Overview
Problem
Conventional thermostats for HVAC systems are costly due to expensive physical displays, which can break and require replacement, and their installation can damage building structures and is time-consuming, while also being limited by display size constraints.
Innovation Solution
A headless thermostat system that includes a device without a display, using wireless connectivity to receive user inputs and control signals, and an adapter unit to operate HVAC equipment, with optional projector-based interfaces for user interaction and modular components for flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a physical display is included in the thermostat, then user interaction capability is improved, but manufacturing cost increases and reliability decreases due to display breakage
Solution Approach 1:
The patent removes the physical display component from the thermostat, extracting the problematic element that causes breakage and high cost. The thermostat operates without a display, using wireless communication for user interaction instead, thereby eliminating display-related reliability issues while maintaining operational capability.
Solution Approach 2:
The patent introduces a wireless communication intermediary (WiFi or other wireless protocols) between the user and the thermostat. Instead of direct interaction through a physical display, users interact with the thermostat remotely through smartphones or other devices, with wireless signals serving as the mediator that transmits control commands and status information.
2Ease of operation
If a physical display is included in the thermostat, then user interaction capability is improved, but manufacturing cost increases
Solution Approach 1:
The patent removes the physical display component from the thermostat, extracting the problematic element that causes breakage and high cost. The thermostat operates without a display, using wireless communication for user interaction instead, thereby eliminating display-related reliability issues while maintaining operational capability.
Solution Approach 2:
The patent replaces the expensive, fragile physical display with a software-based interface running on a user's existing smartphone or device. The display functionality is effectively moved to a disposable or already-owned device rather than being built into the thermostat, significantly reducing manufacturing costs.
3Productivity
If thermostat wire installation is required, then HVAC system installation is completed, but wall damage occurs and installation time increases
Solution Approach 1:
The patent replaces the mechanical wire installation system with a wireless communication system. Instead of physically running thermostat wires through walls and ceilings, the thermostat communicates with the HVAC system and users via wireless protocols (WiFi, Bluetooth, or other wireless standards), eliminating the need for invasive mechanical installation.
4Productivity
If thermostat wire installation is required, then HVAC system installation is completed, but wall damage occurs
Solution Approach 1:
The patent replaces the mechanical wire installation system with a wireless communication system. Instead of physically running thermostat wires through walls and ceilings, the thermostat communicates with the HVAC system and users via wireless protocols (WiFi, Bluetooth, or other wireless standards), eliminating the need for invasive mechanical installation.
Data Source
AI summary
A heating, ventilation, or air conditioning (HVAC) system includes a headless thermostat device and an adapter unit. The headless thermostat device includes one or more circuits configured to receive a control input from a user device via a local wireless network and generate a control signal for HVAC equipment based on the control input. The adapter unit includes one or more circuit configured to receive the control signal from the headless thermostat device via the local wireless network and provide the control signal to the HVAC equipment for operation of the HVAC equipment in accordance with the control input.