Wearable Voltage Detection Using Magnetometer-Based Field Sensing
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Solution Overview
Problem
Current voltage detectors are not readily available and fail to provide real-time situational awareness, posing risks to workers exposed to hazardous voltages in electrical environments.
Innovation Solution
A multi-sensor wearable digital device that detects voltage by measuring electromagnetic fields and monitors environmental conditions, providing real-time alerts through visual and audible signals, integrating a digital magnetometer, temperature and humidity sensors, and a microcontroller for precise detection of AC and DC voltages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If voltage detectors are carried in a bag or worn on clothing, then portability is improved, but reliability deteriorates because they are not readily available when needed and may be misplaced or forgotten
Solution Approach 1:
The wearable device automatically activates and provides voltage detection without requiring manual retrieval or activation by the worker. The device serves itself by being constantly accessible on the person and automatically functioning when near electrical sources, eliminating the need to remember to bring it along.
Solution Approach 2:
The device is worn on the person in advance before any electrical work begins, ensuring it is already in position and ready for immediate use. This preliminary placement ensures the device is always available when needed without requiring last-minute retrieval.
2Measurement precision
If conventional voltage detectors are used, then basic voltage detection is achieved, but real-time situational awareness deteriorates because they do not provide continuous environmental monitoring
Solution Approach 1:
The device combines multiple functions into a single wearable unit: voltage detection through electromagnetic field sensing, temperature monitoring, and humidity sensing. This multi-functionality provides comprehensive situational awareness while maintaining accurate voltage detection capability.
Solution Approach 2:
The device provides real-time feedback through visual and audible alerts when voltage is detected, along with continuous monitoring of environmental conditions. This immediate feedback loop keeps the worker informed of both electrical hazards and environmental factors without interruption.
3Reliability
If workers manually check for voltage before each task, then safety is improved, but productivity deteriorates due to time loss and interruption of workflow
Solution Approach 1:
The wearable device provides continuous voltage detection and environmental monitoring without interruption to the worker's tasks. The automatic sensing and alerting system maintains constant safety monitoring while allowing the worker to proceed with tasks uninterrupted, eliminating repeated manual checking.
Solution Approach 2:
The device autonomously performs continuous safety monitoring and alerting without requiring worker intervention or manual checking. This self-service capability maintains safety while preserving workflow continuity, as the device independently tracks and communicates electrical hazards.
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 safe work practices by accurately detecting AC and DC voltages at various distances, offering real-time feedback on environmental conditions, thus preventing inadvertent contact with hazardous electrical sources.
Implementation Method 1
The present invention is a multi-sensor wearable digital device that can detect the presence of voltage by measuring electromagnetic fields
Data Source
AI summary
A wearable voltage detector that uses a magnetometer to sense electro-magnetic fields within range of the detector. The wearable voltage detector converts the electro-magnetic data into voltage. The wearable voltage detector is programed to a pre-set voltage threshold via a microcontroller. When the voltage detected by the wearable voltage detector reaches the pre-set voltage threshold, the wearable voltage detector notifies the user via a buzzer, a light, and/or a screen display.