Thermostat with bi-directional communications interface for monitoring HVAC equipment
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Solution Overview
Problem
Conventional thermostats lack bidirectional communication capabilities, limiting their ability to optimize HVAC system performance based on real-time data and user feedback, leading to inefficiencies in energy usage and comfort control.
Innovation Solution
A thermostat with a user interface, processing circuit, and communications interface that enables bidirectional data communication with HVAC equipment, allowing for performance evaluation, automatic setpoint adjustments, and user notifications, as well as suggestions for equipment replacement and energy cost optimization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional thermostats use one-way communication to control HVAC components, then the device complexity is reduced and ease of manufacture is improved, but the ability to optimize HVAC system performance based on real-time data is limited
Solution Approach 1:
The patent implements bidirectional communication between the thermostat and HVAC equipment, enabling the thermostat to receive performance data (energy consumption, operational status, fault information) and send control commands. This feedback loop allows the system to optimize HVAC performance based on real-time data while maintaining manageable device complexity through standardized communication protocols.
2Loss of information
If conventional thermostats lack bidirectional communication, then the device complexity is reduced, but real-time data analysis and performance monitoring capabilities are lost
Solution Approach 1:
The thermostat's communication interface is designed to perform multiple functions: receiving performance data, transmitting control commands, providing user notifications, and enabling remote monitoring. This multi-functional approach consolidates various communication needs into a single interface, reducing overall system complexity while preventing information loss.
3Use of energy by moving object
If conventional thermostats only provide basic temperature control, then the ease of operation is maintained, but energy usage optimization and comfort control are insufficient
Solution Approach 1:
The thermostat automatically analyzes received performance data and generates optimization recommendations without requiring complex user intervention. The system self-adjusts HVAC control parameters based on analyzed data, while presenting simplified options to users through the user interface, thus improving energy efficiency while maintaining ease of operation.
4Productivity
If conventional thermostats do not provide performance evaluation capabilities, then the device complexity is reduced, but the ability to provide optimization recommendations is lost
Solution Approach 1:
The processing circuit performs selective analysis of performance data, focusing on key parameters such as energy consumption patterns and operational efficiency metrics. Rather than analyzing all possible data points, the system concentrates computational resources on the most impactful factors, improving HVAC productivity while keeping processing requirements manageable.
Data Source
AI summary
A thermostat for a building space. The thermostat includes a user interface and a processing circuit. The user interface is configured to serve notifications to a user and receive input from the user. The communications interface is configured to perform bidirectional data communications with HVAC equipment controlled by the thermostat. The communications interface is configured to receive performance information for the HVAC equipment. The processing circuit is configured to provide control signals to the HVAC equipment to achieve a setpoint for the building space. The processing circuit is further configured to evaluate the performance information for the HVAC equipment to determine a recommendation for improving HVAC equipment performance. The processing circuit is further configured to automatically adjust at least one of the setpoint and the control signals provided to the HVAC equipment based on the recommendation for improving HVAC equipment performance.