Wireless Emergency Communication in Building Automation Systems
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Solution Overview
Problem
Existing fire safety systems within building automation systems face challenges in effectively communicating emergency information and location data to emergency personnel during emergency situations, particularly in navigating complex structures efficiently.
Innovation Solution
The implementation of IEEE 802.15.4/ZigBee-compliant wireless devices and automation components that provide location information and emergency communications, enabling the generation and transmission of display data for emergency personnel, and facilitating communication between emergency devices and mobile emergency devices within the building automation system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If wireless devices are implemented within the building automation system, then ease of installation and device mobility are improved, but reliability of emergency communication may worsen due to potential wireless interference or signal loss
Solution Approach 1:
The patent introduces a building automation system with wireless communication capabilities as an intermediary between emergency devices and emergency personnel. The system uses standardized wireless protocols (IEEE 802.15.4/ZigBee) to transmit location information and emergency communications, providing a reliable communication bridge that maintains connection stability while enabling wireless operation.
Solution Approach 2:
The emergency device is designed with multi-functionality, serving both as a location tracker and an emergency communication device. It can operate in multiple modes (wireless communication, display data generation, location tracking) to ensure that emergency information can be transmitted through various channels, improving overall system reliability while maintaining ease of installation.
2Ease of operation
If location information is continuously tracked and communicated, then emergency personnel navigation is improved, but use of energy by the emergency device worsens
Solution Approach 1:
The emergency device implements periodic transmission of location information rather than continuous transmission. The device updates its location status at predetermined time intervals or when significant location changes occur, reducing energy consumption while still providing sufficient navigation information for emergency personnel to track and locate the device effectively.
Solution Approach 2:
The system transmits location information with appropriate precision levels based on operational needs. Rather than continuously transmitting maximum-precision location data, the device provides sufficient location accuracy for emergency navigation purposes, reducing energy consumption while maintaining effective navigation capability.
3Productivity
If display data is generated and transmitted for emergency personnel, then emergency response efficiency is improved, but loss of time for data processing worsens
Solution Approach 1:
The emergency device pre-generates display data and formats emergency information in advance, so that when an emergency situation occurs, the data is already prepared for immediate transmission. Location information and device status are continuously updated in the background, allowing rapid deployment of formatted display data to emergency personnel without processing delays during the critical emergency response phase.
Data Source
AI summary
An emergency device or emergency system is configured for operation within a fire safety system, or a fire safety portion of a building automation system (BAS). For example, wireless devices, emergency devices and/or automation components within the fire safety system or the fire safety portion of the BAS may be configured to automatically provide or otherwise communicate emergency information to an emergency device or system. The emergency information may, in turn, be utilized by emergency personnel or first responders to determine location information regarding the structure and/or relative positions within the structure or communicate with a remote emergency system.