Electrical Wiring Discharge Detection Using Transient Signal Analysis
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Solution Overview
Problem
Current methods for detecting early-stage electrical discharges in residential wiring systems are inadequate, as they often require expensive installations and do not provide timely or accurate identification of potential fire hazards, leading to a high risk of electrical fires.
Innovation Solution
A system comprising sensor devices coupled to electrical circuits that detect signal waveforms, identify transient signals, and generate alert signals when electrical discharge indications are detected, allowing for early notification of potential fire dangers and long-term monitoring of electrical wiring systems to track discharge severity and correlate with appliance operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional electrical fire detection methods are used, then installation cost is reduced, but detection accuracy and timeliness deteriorate
Solution Approach 1:
The system divides the electrical circuit monitoring into multiple independent sensor devices, each capable of detecting transient signals and communicating findings to a central server. This segmentation allows for distributed detection across multiple circuits without requiring a single complex system, improving detection accuracy while managing complexity through modular deployment
Solution Approach 2:
A server computing device acts as an intermediary that receives transient characteristics from multiple sensor devices, performs centralized analysis to identify electrical discharge indications, and generates alert signals. This intermediary approach enables sophisticated detection algorithms to be implemented in software rather than requiring complex hardware in each sensor device
2Reliability
If comprehensive electrical discharge detection is implemented, then fire prevention capability is improved, but installation cost increases
Solution Approach 1:
The sensor devices are designed to be universally applicable across different electrical circuits and outlets. Each sensor device can detect various types of electrical discharges (arc faults, ground faults, series arcs) and the system can be deployed in residential, commercial, or industrial settings without requiring custom-designed components, thereby improving fire prevention capability while reducing installation complexity
Solution Approach 2:
The sensor devices automatically detect transient signals, generate transient characteristics, and communicate findings to the server without requiring manual intervention. The system self-configures and begins monitoring when sensor devices are connected to electrical outlets, eliminating the need for complex installation procedures and reducing dependency on specialized technicians
3Loss of time
If early-stage electrical discharges are detected, then response time is improved, but detection sensitivity requirements increase
Solution Approach 1:
The system detects transient signals associated with early-stage electrical discharges before they develop into dangerous arc faults. By identifying these preliminary transient characteristics through high-speed sampling and analysis, the system provides early warning that enables preventive action before fire hazards materialize, improving response time while managing detection sensitivity through advanced signal processing algorithms
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
Enables rapid detection and notification of early-stage electrical discharges, providing detailed information on discharge activity and trends, thereby reducing the risk of electrical fires and allowing for timely remedial measures.
Implementation Method 1
One or more sensor devices coupled to a circuit detect one or more signal waveforms generated by electrical activity on the circuit
Data Source
AI summary
Described herein are methods and systems for detecting electrical discharges that precede electrical fires in electrical wiring. One or more sensor devices coupled to a circuit detect one or more signal waveforms generated by electrical activity on the circuit. The sensor devices identify one or more transient signals within the one or more signal waveforms, and generate one or more transient characteristics based upon the identified transient signals. A server communicably coupled to the sensor devices receives the one or more transient characteristics. The server analyzes the one or more transient characteristics to identify one or more electrical discharge indications. The server generates one or more alert signals when one or more electrical discharge indications are identified.