Building automation controller with configurable audio/visual cues
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Solution Overview
Problem
Current HVAC systems lack advanced user interfaces and network connectivity, limiting user control and efficiency in managing building comfort and energy usage.
Innovation Solution
An HVAC controller with a user interface that accepts inputs, displays information, and connects to HVAC components and networks, allowing remote access and control through mobile devices and web services, enabling advanced scheduling, energy management, and user-defined macros.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional HVAC controllers are used, then the system structure is simple, but the user interface functionality is limited and remote access is not available
Solution Approach 1:
The HVAC control system is divided into separate functional modules: a local HVAC controller unit, remote user devices (smartphones, tablets), and cloud-based web services. This segmentation allows the user interface functionality to be distributed across multiple devices while keeping the core HVAC control logic in the dedicated controller, thereby enhancing adaptability without significantly increasing the complexity of any single component.
Solution Approach 2:
The HVAC controller is designed with multi-functional capabilities including local display and control, remote access through mobile applications, web-based interface access, scheduling functions, energy management, and integration with building automation systems. This universal design allows a single device to perform multiple functions that would traditionally require separate systems, enhancing versatility while managing complexity through integrated design.
2Productivity
If basic HVAC control is used, then the device complexity is low, but energy management efficiency is limited
Solution Approach 1:
The HVAC controller incorporates multiple sensors that continuously monitor environmental conditions (temperature, humidity, occupancy) and system performance (energy consumption, equipment status). This real-time feedback is processed by the controller to automatically adjust HVAC operations, optimize energy usage, and provide actionable insights to users through the interface, thereby improving energy management efficiency while the intelligence is distributed across the system rather than concentrated in one complex device.
Solution Approach 2:
The system includes scheduling capabilities that allow users to pre-program temperature setpoints and operational parameters for specific times and dates. This preliminary action enables the HVAC system to automatically optimize energy consumption during unoccupied periods without requiring real-time user intervention, improving productivity while keeping the control logic manageable through rule-based automation.
3Ease of operation
If local control only is provided, then the device complexity is low, but user accessibility and remote monitoring are limited
Solution Approach 1:
The system introduces network communication infrastructure as an intermediary between the local HVAC controller and remote user devices. This includes wireless communication modules in the controller, mobile applications on user devices, and optional cloud-based web services. This intermediary layer enables remote access and monitoring capabilities while keeping the core HVAC control logic in the dedicated controller, thereby improving ease of operation without significantly increasing the complexity of any single component.
Data Source
AI summary
An HVAC controller includes a user interface configured to accept inputs from a user and to display information to the user, and a controller configured to process inputs from the user interface and to provide the user interface with information to be displayed. An equipment connection may be connectable to one or more HVAC components and may be operably coupled to the controller. A network connection may be operably coupled to the controller and may provide the controller with access to outside information. The controller may output (via the user interface) a particular cue in response to information received from the equipment connection and/or the network connection, and wherein the particular cue is a cue that was previously selected and activated by the user.