Fire Panel Integrating Current Sensors for Electrical Fault Detection
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Solution Overview
Problem
Existing fire detection systems often fail to provide adequate early warning for fast-developing electrical fires in high occupancy buildings, as they rely solely on smoke detectors that may not be sensitive enough to detect electrical malfunctions such as short circuits, overloading, or arcing until it is too late.
Innovation Solution
The integration of current sensors with fire panels that adjust the sensitivity of smoke detectors in response to detected electrical faults like short circuits, arcing, or overloading, allowing for pre-alarm indications and increased sensitivity to detect fires at an early stage, thereby enhancing the detection of potential fire threats.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If smoke detectors are used alone to detect fires, then the system is simple and easy to operate, but the detection precision is insufficient for early-stage electrical fires
Solution Approach 1:
The patent combines multiple detection technologies (smoke detection, heat detection, electrical fault detection via current sensors) into a single integrated fire detection system. The control panel receives signals from all sensor types and processes them together, allowing the system to leverage the strengths of each detection method while maintaining unified operation and alerting functionality.
Solution Approach 2:
The control panel serves multiple functions: it processes signals from smoke detectors, heat detectors, and current sensors; it determines fire locations based on multiple input types; and it generates alerts based on integrated analysis of all sensor data. This multi-functional approach allows a single device to handle diverse detection needs without requiring separate standalone systems for each sensor type.
2Reliability
If current sensors are integrated with fire panels to detect electrical faults, then the detection precision improves, but the device complexity increases
Solution Approach 1:
The patent integrates current sensors that detect electrical faults (short circuits, overloads, arcing) with the existing fire panel system. The control panel receives electrical fault signals from these current sensors and processes them alongside smoke and heat detector signals, creating a unified reliability enhancement without requiring completely separate systems.
Solution Approach 2:
The system continuously monitors electrical parameters through current sensors and provides real-time feedback to the control panel. When electrical anomalies are detected, the system can trigger alerts or adjust detection sensitivity, creating a closed-loop system that improves reliability through continuous monitoring and adaptive response based on electrical system conditions.
Data Source
AI summary
A method and apparatus are provided including a current detector monitoring an electrical conductor supplying power to a geographic area for shorts, arcing or overloads, the current detector detecting a short, arc or overload on the electrical conductor, and a fire alarm panel adjusting a sensitivity of a fire detector within the geographic area in response to the detected short, arc or overload.