Building Automation Modules in Standard Gang Boxes
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Solution Overview
Problem
Existing building automation systems face challenges in retrofitting existing infrastructure due to the inability of standard switch and outlet boxes to accommodate the necessary electronics for networking and control, leading to safety risks from heat generation and space constraints, as well as difficulties in establishing reliable wireless networks within building structures.
Innovation Solution
Integration of AC to DC converters, bidirectional switches, load and fault sensors, and computing devices within standard electrical outlet and switch boxes, along with user interfaces and communication modules, to form a mesh network for home and building automation, enabling safe, scalable, and secure power management and control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If AC to DC converters and electronics are integrated into standard switch and outlet boxes, then building automation functionality is improved, but heat generation and fire hazard increase
Solution Approach 1:
The patent extracts the AC to DC conversion function from the standard electrical box by using an external power adapter that plugs into a receptacle. This separates the heat-generating conversion process from the enclosed box environment, eliminating the fire hazard while preserving the automation functionality through wireless communication between the external adapter and box-mounted sensors/switches.
Solution Approach 2:
The patent introduces wireless communication as an intermediary between the power supply system and the automation electronics. The external AC to DC adapter communicates with the box-mounted components wirelessly, allowing functionality integration without physical integration of power conversion components inside the box, thus avoiding heat accumulation issues.
2Extent of automation
If multiple sensors and computer controlled devices are added to existing networks, then automation capability is improved, but network cable routing complexity and cost increase
Solution Approach 1:
The patent replaces the mechanical cable routing system with wireless communication technology. Sensors and controlled devices communicate through wireless signals rather than physical cables, eliminating the need for complex cable installation through building structures while maintaining full automation capability.
Solution Approach 2:
The patent creates a universal wireless communication platform that can be deployed in existing buildings without infrastructure modifications. The same wireless protocol and devices can serve multiple automation functions (lighting, temperature control, security) without requiring separate cable runs for each function.
3Ease of operation
If wireless networks are used to overcome cable routing difficulties, then installation ease is improved, but building structure interference and communication reliability worsen
Solution Approach 1:
The patent uses high-frequency wireless signals that can penetrate building structures more effectively, allowing communication to skip through walls and obstacles rather than being blocked by them. This maintains reliability while preserving the installation ease of wireless systems.
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
The solution provides a safe, efficient, and scalable networked system for power management and control, reducing the risk of overheating and space constraints while enabling seamless integration with existing infrastructure and enhancing wireless communication reliability.
Implementation Method 1
Each electrical module includes an AC to DC power supply
Data Source
AI summary
A building automation system that is comprised of a plurality of network connected electrical modules contained in standard receptacle gang boxes for outlets and switches is described. The system includes an AC to DC power supply, a bidirectional solid state dimmer switch, a microprocessor, and, interconnected sensors that are powered and controlled by microprocessors within the electrical modules. The electrical modules include a user interface for programming and control. The system provides enhanced safety and security, power metering, power control, and home diagnostics. The apparatus replaces existing outlet receptacles and switches with a familiar flush but elegantly updated and seamlessly integrated faceplate.