Photonic Sensor Stray Voltage Detection
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Solution Overview
Problem
Current methods for detecting stray voltage anomalies in electric fields are inefficient and prone to false readings due to interference from strong ambient magnetic fields, requiring manual inspections that are time-consuming and not practical for vast geographic areas.
Innovation Solution
A photonic sensor system comprising a photonic sensor unit and a detection system unit, utilizing a broadband laser and digital electronic processing to detect electric field anomalies, with multiple sensors and a vehicle-mounted configuration for efficient coverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If electromagnetic radiation assessment is used to detect stray voltages, then detection range is extended, but detection precision deteriorates due to the extremely long wavelength (5000 km) requiring impractically large antenna dimensions
Solution Approach 1:
The patent replaces traditional electromagnetic radiation detection (which requires large physical antennas) with a photonic sensor-based electric field detection system. The photonic sensor uses optical fields instead of electromagnetic waves at 60 Hz, enabling compact sensor design while maintaining detection capability. This substitution resolves the contradiction by using a different physical domain (optics vs. low-frequency electromagnetism) that doesn't suffer from the wavelength-scaling problem.
2Ease of operation
If magnetic field detection is attempted, then detection capability is provided, but measurement precision deteriorates due to interference from strong ambient magnetic fields generated by normal power distribution loads
Solution Approach 1:
The patent extracts and isolates the electric field component from the electromagnetic environment, specifically detecting only the electric field vector associated with stray voltages. By using a photonic sensor that responds selectively to electric fields rather than magnetic fields, the system extracts the useful signal while leaving out the interfering magnetic field components generated by normal power distribution loads.
Solution Approach 2:
The photonic sensor acts as an intermediary that converts electric field information into optical signals for detection. This intermediary mechanism allows indirect measurement of stray voltage anomalies through their electric field effects, avoiding direct measurement in the noisy magnetic field environment where signal-to-noise ratio would be poor.
3Measurement precision
If manual inspection with hand-held detection devices is used, then measurement accuracy is improved, but productivity deteriorates due to time-consuming inspections and inability to cover vast geographic areas efficiently
Solution Approach 1:
The patent merges multiple detection functions into a single photonic sensor system that can detect electric fields, provide real-time alerts, and operate autonomously. By combining the detection capability with automated alerting and positioning systems, the patent eliminates the need for manual operation while maintaining detection accuracy, thereby resolving the contradiction between measurement precision and productivity.
Solution Approach 2:
The detection system performs self-service by automatically detecting stray voltage anomalies, processing the sensor data, and generating alerts without requiring human inspectors. The system serves itself by autonomously navigating (when vehicle-mounted), detecting anomalies, and communicating results, thereby dramatically improving productivity while maintaining the measurement capabilities needed for accurate detection.
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 precise detection of stray voltage anomalies with reduced interference, providing real-time data and alerts, thus improving the efficiency and accuracy of identifying potentially dangerous electric field sources over large areas.
Implementation Method 1
apparatus and methods of detecting stray voltage anomalies in electric fields using a photonic sensor
Data Source
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Figure 2A~3
AI summary
The present invention is directed towards a mobile apparatus mounted to a motor vehicle for detecting energized objects. In some embodiments, the mobile apparatus comprising two or more photonic sensors, mounted to the motor vehicle, and coupled to a photo-receiver, wherein the photo-receiver generates a signal corresponding to an electric field detected by the two or more photonic sensors, for narrowing down the location of a hazardously energized object, a processor, coupled to the two or more photonic sensors, that digitizes the signal to form electric field data, produces field strengths of each of the at least one sensor probes, analyzes the field strengths to identify a general location of the hazardously energized object in the electric field, wherein the electric field data is analyzed based on an expected frequency pertaining to hazardous energy to locate an energized object proximate a street and an indicator, coupled to the processor that alerts a user to a presence of the energized object in the electric field proximate the street.