Water Meter Tamper Detection Using Motorized Valve Closure
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Solution Overview
Problem
Water consumption fraud and inefficiencies in monitoring and preventing unauthorized access to water meters, particularly in systems with remote reading devices, where modifications to the metering information can go undetected, and existing solutions lack comprehensive protection and simplicity in installation and maintenance.
Innovation Solution
A method for monitoring a water metering point using a motorized valve with a removable closure element, where access to the mechanical connection means is monitored, and the valve is closed before separation, incorporating a detection system that signals and records any attempts to access or modify the meter, utilizing a battery-powered solenoid valve and electronics for secure operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional water meters with protective caps are used, then visual inspection of tampering is possible, but remote reading devices can be disconnected or modified without detection
Solution Approach 1:
The patent replaces visual inspection of mechanical protective caps with an electronic monitoring system that uses sensors, microcontrollers, and wireless communication to detect and report tampering events, enabling remote monitoring without requiring physical inspection
Solution Approach 2:
The monitoring system continuously monitors the integrity of the meter assembly and provides feedback through wireless communication when tampering is detected, allowing real-time alerting and response without requiring continuous physical presence
2Reliability
If flow sensors and automated valve control are implemented, then water leak detection is improved, but systematic adoption by water distribution companies is limited due to complexity
Solution Approach 1:
The monitoring device is designed to work with conventional water meters while adding multiple functions including tamper detection, leak detection, and remote communication, allowing water distribution companies to upgrade existing infrastructure without replacing approved meters
Solution Approach 2:
The system separates the monitoring functions into a distinct modular unit that attaches to the existing meter assembly, allowing the core metering function to remain unchanged while adding detection and communication capabilities as separate integrated components
3Productivity
If remote reading devices are installed, then consumption monitoring is enabled, but fraud detection capability is reduced compared to conventional meters
Solution Approach 1:
The patent combines the remote reading functionality with enhanced security features including tamper detection sensors and alert systems in a single integrated device, maintaining the efficiency benefits of remote reading while adding fraud detection capabilities that conventional meters lack
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 solution effectively prevents water consumption fraud by ensuring the valve is closed and alerts are triggered before unauthorized access, simplifying installation and maintenance, and reducing the risk of meter tampering by requiring authorization to reopen the valve.
Implementation Method 1
a detection means monitors the integrity of the mechanical association between the closure element and the valve
Implementation Method 2
battery-powered solenoid valve and electronics for secure operation
Data Source
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AI summary
The subject of the invention is a method of monitoring a water meter, this meter comprising a motor-operated valve (6) with its electrical motor means housed in a case (16), which motor-operated valve is connected to a removable module (7) housing electronics for controlling the operation of the valve, said method being characterized in that the integrity of the connection between the module (7) and, at least indirectly, the valve (6) is monitored and, before said module and said valve are separated, the valve is closed and/or said operation is signalled.