Wireless Sensor Network for Building Automation
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Solution Overview
Problem
Current building automation systems rely on hardwired components, leading to complex installations, limited information transfer between control systems, and inefficient control of building environments, particularly in terms of energy management and asset tracking.
Innovation Solution
A network of wireless radios with receivers, transmitters, processors, sensors, and actuators that use dynamic routing algorithms to automatically control building equipment and track movable items, allowing for efficient energy management and asset location within a building.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If hardwired components are used in building automation systems, then system reliability is improved, but device complexity and installation difficulty increase
Solution Approach 1:
The patent replaces the mechanical hardwired electrical system with a wireless communication system. Sensors, controllers, and actuators communicate via wireless radio frequency signals instead of physical electrical connections, eliminating the need for extensive wiring infrastructure while maintaining system reliability through protocol-based data transmission and acknowledgment mechanisms.
Solution Approach 2:
The wireless building automation system uses universal wireless communication protocols that allow different types of devices (sensors, actuators, controllers) to interoperate without dedicated wiring for each device type. A single wireless network infrastructure supports multiple control systems including HVAC, lighting, security, and access control, reducing overall system complexity.
2Loss of information
If hardwired components are used in building automation systems, then information transfer between control systems is limited, but ease of operation is improved
Solution Approach 1:
The patent merges multiple separate control systems (HVAC, lighting, security, access control) into a single integrated wireless network. All systems share common wireless communication infrastructure and can exchange information freely through the network, enabling comprehensive building-wide monitoring and control while simplifying system operation through centralized management.
Solution Approach 2:
The wireless communication system dynamically routes information between different control systems based on real-time network conditions and device availability. The system can adaptively adjust communication paths, data transmission rates, and device activation states, enabling flexible information transfer that responds to changing building conditions and operational requirements.
3Manufacturing precision
If fixed components are used in building automation systems, then manufacturing precision is improved, but adaptability worsens
Solution Approach 1:
The system uses dynamic wireless communication that allows devices to be added, removed, or repositioned without physical reconfiguration. Controllers can dynamically discover and register new sensors or actuators on the wireless network, and can adapt communication parameters based on device capabilities, enabling the system to accommodate various manufacturing precision levels while maintaining overall system functionality.
Solution Approach 2:
The wireless building automation system allows dynamic adjustment of operational parameters such as temperature setpoints, lighting schedules, and device activation thresholds. These parameter changes can be made remotely through the wireless network without requiring physical access to devices or reconfiguration of hardwired connections, enhancing system adaptability while maintaining precise environmental control.
Data Source
AI summary
A network of wireless radios automatically conserves energy, directs the operation of equipment, and locates assets and personnel. The network may identify changes in the occupancy of a building area and automatically alter the building environment according to predetermined settings, personal preferences, or unexpected conditions. The wireless radios also may include sensors that monitor specific parameters, the parameters may relate to building environment conditions or operating equipment. The network may automatically alter the operating building equipment in response to the parameters received. The wireless radios also may be portable and mounted upon movable items, such as personal identification devices, office furniture, equipment, containers, or other assets. The network may locate the movable items within a building based upon signals received from the wireless radios. The network also may track the movement of the movable items within a building. The wireless radios may operable as a mesh network.