Electric Meter Orientation Change Detection
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Solution Overview
Problem
Utilities face challenges with unreported damage to their assets, including electric meters, due to improper orientation which can lead to safety and power quality issues.
Innovation Solution
The system continuously monitors the orientation of electric meters using accelerometers, comparing initial and subsequent measurements to detect changes exceeding a threshold, and records timestamped events with an alarm flag.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electric meter orientation is not monitored, then device complexity is reduced, but safety hazards and power quality issues occur due to improper orientation
Solution Approach 1:
The patent replaces manual visual inspection of meter orientation with an automated electronic monitoring system using accelerometers and processors to detect orientation changes, thereby improving safety while accepting increased device complexity
Solution Approach 2:
The electric meter performs self-monitoring of its own orientation through integrated sensors and processing capabilities, enabling the device to autonomously detect and report improper orientation without external inspection
2Measurement precision
If continuous orientation monitoring is implemented, then detection precision is improved, but energy consumption increases
Solution Approach 1:
The monitoring system uses periodic sampling of accelerometer data at predetermined time intervals rather than continuous monitoring, maintaining orientation detection precision while reducing overall energy consumption of the monitoring system
Solution Approach 2:
The system changes the monitoring parameters by adjusting the sampling interval and threshold values dynamically, allowing precise detection of orientation changes while optimizing energy consumption based on operational conditions
3Reliability
If threshold-based detection is used, then false detections are reduced, but response time to detect actual changes increases
Solution Approach 1:
The system uses a threshold-based detection mechanism that monitors orientation changes continuously but only triggers alerts when changes exceed predetermined thresholds, reducing false detections while maintaining timely response to significant orientation events
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
This approach enables early detection of changes in electric meter orientation, preventing potential safety hazards, power quality issues, and facilitating timely maintenance.
Implementation Method 1
an accelerometer positioned in the electric meter may be operable to detect acceleration of the electric meter
Data Source
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AI summary
A method for detecting electric meter installation issues includes: determining an initial orientation of an electric meter based on initial acceleration measurements from an accelerometer positioned in the electric meter. Subsequent acceleration measurements from the accelerometer may be continuously monitoring, and a subsequent orientation of the electric meter may be determined based on the subsequent acceleration measurements. A difference between the initial orientation and the subsequent orientation based on the initial acceleration measurements and the subsequent acceleration measurements may be determined and compared to a threshold value. Based on the difference exceeding the threshold value, a notification of a change in orientation of the electric meter may be generated to a head-end system.