Mobile Fire Alarm Walk Testing for Single-Technician Maintenance

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Solution Overview

Problem

Current fire alarm system walk testing requires two technicians, one at the control panel and one at the device location, leading to communication errors, inefficient building navigation, and increased risk due to non-operational systems during testing.

Innovation Solution

A mobile device-based system that allows a single technician to initiate commands, identify and test fire alarm devices in physical order, and manage maintenance directly, using visual indicators and mobile application functionalities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If two technicians are used for walk testing (one at control panel and one at device location), then communication coordination is improved, but system reliability deteriorates because the fire alarm system is not in operation during testing

Engineering Contradiction:
Improvecommunication coordinationVSAvoidsystem operational status
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The system allows the technician to independently initiate and control the walk test from the control panel without requiring a second technician at the device location. The control panel automatically manages the testing process, device activation, and status monitoring, eliminating the need for coordinated manual testing while maintaining system safety through automated control.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces the manual mechanical coordination between two technicians with an automated electronic control system. The control panel uses electronic signaling and automated protocols to manage the walk test, substituting the need for human coordination at multiple locations with a centralized automated system that maintains communication and control.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Manufacturing precision

If technicians follow device address order from control panel, then systematic testing is improved, but productivity deteriorates due to inefficient building navigation

Engineering Contradiction:
Improvetesting systematic approachVSAvoidtesting efficiency
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The system dynamically adjusts the testing sequence based on the technician's real-time location within the building. Instead of following a fixed address order, the control panel uses location data to dynamically reorder test devices, allowing the technician to move efficiently through the building while maintaining systematic coverage of all devices.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The control panel receives feedback about the technician's physical location and uses this information to automatically adjust the testing sequence. This feedback mechanism ensures the technician is always directed to the next most efficient device location, optimizing productivity while maintaining systematic testing coverage.

Inventive Principle:
Principle #23Feedback

3Device complexity

If control panel initiates all commands, then centralized control is improved, but ease of operation deteriorates requiring technician presence at control panel

Engineering Contradiction:
Improvecentralized control structureVSAvoidtechnician location requirement
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The control panel serves multiple functions: it acts as the centralized control system, the communication hub, the location tracking system, and the test coordination platform. This multi-functionality eliminates the need for the technician to be physically present at the control panel while maintaining centralized control, as the system automatically manages all commands based on location data.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentEP3907719B1Fire alarm system using a mobile device for a walk test, and corresponding method
Publication Date: 2025.07.02 HONEYWELL INTERNATIONAL INC
  • EP3907719B1 patent drawingFigure 1
  • EP3907719B1 patent drawingFigure 2
  • EP3907719B1 patent drawingFigure 3

AI summary

Methods and systems for performing a walk test for fire alarm systems using a mobile device (106) are described herein. One fire alarm system, includes a system control panel (104) fixedly positioned within a building for controlling a plurality of fire alarm system devices (102-1, 102-2) connected to the panel and positioned within the building, a mobile device (106) wirelessly connected to the control panel, and a fire alarm system control application on the mobile device, wherein the fire alarm control system application gains access to the control panel and, therethrough, the plurality of fire alarm system devices and wherein the fire alarm control system application issues a command to a particular fire alarm system device of the plurality of fire alarm system devices to perform a particular test or maintenance function and the control panel relays the command to the particular fire alarm system device.