RFID Base Portion for Fire Device Addressing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Fire detection systems in large facilities face challenges in accurately addressing fire devices during replacements and lack the ability to efficiently locate personnel within the building during emergencies.
Innovation Solution
The integration of radio frequency identification (RFID) tags with fire devices to uniquely identify their locations and personnel, allowing for accurate communication of device and personnel positions to a central control panel, which can then direct communication to smartphones or other devices for rescue operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If rotary switches or DIP switches are used to assign addresses to fire devices, then device addressing is possible, but installation errors occur during device replacement and maintenance becomes complex
Solution Approach 1:
The addressing function is extracted from the replaceable device portion and placed in the permanent base portion. The RFID tag remains fixed in the base while the device portion can be replaced, ensuring the address location is preserved and eliminating addressing errors during maintenance.
Solution Approach 2:
The RFID tag stores a copy of the address information that is automatically read by the transceiver when the device is installed. This copying mechanism eliminates manual address configuration and reduces installation errors.
2Loss of information
If fire devices have unique identifiers for location identification, then device location tracking is enabled, but the system cannot efficiently locate personnel during emergencies
Solution Approach 1:
The RFID transceiver system serves multiple functions: it reads RFID tags from fixed devices for location identification, reads RFID tags from portable personnel tags for personnel tracking, and communicates with the control panel for emergency response coordination. This multi-functionality resolves the limitation of single-purpose addressing 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
This solution reduces installation errors, streamlines maintenance, and enables efficient personnel location and rescue operations by maintaining consistent RFID tags with the base portions of fire devices, ensuring accurate addressing and real-time personnel tracking.
Implementation Method 1
A radio frequency identification (RFID) tag is affixed to the base portion and uniquely identifies a location of the fire device in the array
Implementation Method 2
A transceiver is located at the device portion to receive a signal from the RFID tag
Implementation Method 3
the fire device communicates with the control panel, the location of the device in the facility is known
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A method of operating a fire detection system includes arranging a plurality of fire devices in an array. Each fire device includes a base portion fixed in a location in the array and a replaceable device portion installed to the base portion; the device portion configured to detect fire and/or smoke. A radio frequency identification (RFID) tag is affixed to the base portion and uniquely identifies a location of the fire device in the array. A transceiver is located at the device portion to receive a signal from the RFID tag. The location of each fire device is communicated to a control panel operably connected to the plurality of fire devices.