Energy Meter Sensor Integration for Fault Detection
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Solution Overview
Problem
Existing energy meters with interrupters do not allow energy suppliers to restrict or completely stop energy supply to consumers in case of faults on the consumer side, such as temperature rises, gas leaks, or natural events.
Innovation Solution
Incorporating sensors to detect disturbance variables like temperature, humidity, and gas composition near the energy meter, which communicate alerts to the energy supplier for potential power interruptions via wireless or wired signals, enabling them to control an interrupter to limit or stop energy supply.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional energy meters with interrupters are used, then energy consumption can be monitored and interrupted based on counting intervals, but the energy supplier cannot detect or respond to faults on the consumer side such as temperature rises, gas leaks, or natural events
Solution Approach 1:
The energy meter is enhanced with multiple sensors (temperature, humidity, gas) that enable it to perform both traditional energy measurement and environmental fault detection functions, making the device universal for both purposes without requiring separate monitoring systems
Solution Approach 2:
Sensors are introduced as intermediary elements between the energy meter and the consumer environment, detecting disturbance variables (temperature, humidity, gas composition) and converting them into signals that can be processed and communicated to the energy supplier
2Loss of information
If sensors are integrated into the energy meter to detect disturbance variables, then the energy supplier can monitor consumer-side conditions, but the device complexity and cost increase
Solution Approach 1:
The energy meter's communication interface is enhanced to serve dual purposes: traditional energy consumption reporting and disturbance variable transmission, eliminating the need for separate communication infrastructure and reducing overall system complexity
Solution Approach 2:
The evaluation electronics for sensors are integrated into the energy meter's existing processing unit, and the communication module is enhanced to handle both energy data and sensor data through a single channel, combining multiple functions into unified system components
3Speed
If the energy supplier can control the interrupter directly, then rapid response to faults is possible, but the system requires sophisticated communication and control mechanisms
Solution Approach 1:
The energy meter continuously monitors disturbance variables and pre-evaluates potential faults, maintaining readiness to trigger the interrupter immediately when threshold values are exceeded, eliminating detection and response delays
Solution Approach 2:
A direct feedback loop is established between the sensor evaluation electronics and the interrupter control mechanism within the energy meter, allowing automatic real-time control based on sensor inputs without requiring continuous external communication
Data Source
Figure 1
AI summary
Energy meter with interrupter (5) for interrupting the power supply to at least one consumer (28) connected to the energy meter (2), with evaluation electronics (27) for evaluating signals from at least one sensor (12), the signals of which the evaluation electronics (27) detects and evaluates, wherein the energy meter (2) and the interrupter (5) are arranged in a distribution cabinet (1) located at the consumer (28), wherein the at least one sensor (12) is arranged on or in the distribution cabinet or on the energy meter (2) and is suitable for detecting a disturbance variable such as exceeding a predetermined temperature, and/or humidity, and/or gas quantity and/or gas composition, and that the evaluation electronics (27) is connected to the energy supplier (6) via at least one signal path (25, 26), which controls the interrupter (5) when the predetermined disturbance variable is exceeded.