Smart Window API Coordination Across Building Control Systems
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Solution Overview
Problem
Existing smart window systems lack sophisticated control and monitoring capabilities, necessitating improved techniques for managing interacting building systems as they become more widely deployed.
Innovation Solution
A window control system configured to communicate via an API with other systems like HVAC, lighting, and security systems, enabling data exchange and control operations to optimize the optical state of optically switchable windows.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If smart window systems are widely deployed, then building functionality and comfort are improved, but system complexity and difficulty of management increase
Solution Approach 1:
The window control system is designed to perform multiple functions including controlling the optical state of windows, communicating with HVAC systems, lighting systems, and security systems through a unified API interface. This multi-functionality allows a single system to manage diverse building systems, improving versatility while managing complexity through standardized interfaces.
Solution Approach 2:
An application programming interface (API) serves as an intermediary between the window control system and other building systems such as HVAC, lighting, and security systems. This intermediary layer enables standardized communication and data exchange, making the overall system more manageable despite the increased number of interacting components.
2Productivity
If multiple building systems interact with smart windows, then overall building performance is improved, but control and monitoring difficulty increases
Solution Approach 1:
The window control system serves as a universal control platform that can interact with multiple building systems (HVAC, lighting, security) through standardized API interfaces, enabling coordinated control that improves overall building performance while maintaining ease of operation through a unified control mechanism.
Solution Approach 2:
The system enables bidirectional communication between the window control system and other building systems through APIs, allowing for feedback mechanisms where system states are monitored and adjusted automatically. This feedback capability improves building performance while reducing manual control difficulty through automated coordination.
3Loss of information
If window control system communicates with multiple external systems, then data sharing and coordination are improved, but integration complexity increases
Solution Approach 1:
A standardized application programming interface (API) acts as an intermediary that enables data sharing and communication between the window control system and multiple external systems (HVAC, lighting, security) without requiring complex custom integrations for each system pair. This intermediary layer reduces integration complexity while maintaining comprehensive data sharing capabilities.
Solution Approach 2:
The API interface is designed with universal communication capabilities that can handle data exchange with various types of building systems through a common protocol, reducing the need for system-specific integration code and simplifying the overall integration process while enabling comprehensive data sharing.
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 the management and integration of building systems by allowing for coordinated control and monitoring of smart windows, improving energy efficiency and occupant comfort through seamless communication and data sharing.
Implementation Method 1
a plurality of electrochromic windows in electrical communication with one or more window controllers
Data Source
AI summary
Disclosed are platforms for communicating among one or more otherwise independent systems involved in controlling functions of buildings or other sites having switchable optical devices deployed therein. Such independent systems include a window control system and one or more other independent systems such as systems that control residential home products (e.g., thermostats, smoke alarms, etc.), HVAC systems, security systems, lighting control systems, and the like. Together the systems control and/or monitor multiple features and/or products, including switchable windows and other infrastructure of a site, which may be a commercial, residential, or public site.