Wireless Sensor Battery Monitoring With Location-Based Low-Power Alerts
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Solution Overview
Problem
In industrial settings, it is impractical to regularly check the batteries of wireless sensors, leading to potential malfunctions and safety incidents due to low battery levels.
Innovation Solution
A wireless sensor battery alarm system that includes a wireless control device to communicate with sensors, a sensor monitoring device to manage and store battery state data, and a manager terminal device to receive error alarms and locate sensors with low batteries.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual battery checking is implemented in industrial settings, then battery safety can be monitored, but the complexity of operation and time consumption increase significantly
Solution Approach 1:
The wireless sensor performs self-monitoring of its battery status and automatically transmits battery level data to the monitoring system without requiring manual intervention. The sensor node includes a battery status detection module that continuously monitors voltage levels and autonomously reports when battery levels fall below thresholds, enabling the system to serve itself in terms of battery monitoring.
Solution Approach 2:
The system establishes a feedback loop where the wireless sensor continuously reports battery status to the monitoring system, which then provides alerts when battery levels drop below predetermined thresholds. This automated feedback mechanism eliminates the need for manual checking while maintaining reliable battery safety monitoring through continuous data transmission and threshold-based alerting.
2Area of stationary object
If wireless sensors are deployed extensively in industrial environments, then monitoring coverage increases, but the difficulty of tracking and locating individual sensors with low batteries increases
Solution Approach 1:
The system introduces a centralized monitoring system as an intermediary that collects, processes, and manages battery status data from all wireless sensors. This intermediary system maintains a database mapping sensor IDs to their physical locations and provides a user interface that displays location information for sensors with low batteries, making it easy to locate specific sensors without manually searching through extensively deployed devices.
Solution Approach 2:
The monitoring system creates a virtual representation or copy of the physical sensor network layout, including sensor locations and statuses. This digital twin allows users to visually locate sensors with low batteries on a map or diagram interface, eliminating the need for physical searches while maintaining accurate location information for all deployed sensors across the industrial environment.
3Reliability
If battery level monitoring is implemented for all wireless sensors, then safety incidents are prevented, but the system complexity and data management burden increase
Solution Approach 1:
The monitoring system applies different monitoring thresholds and alert levels to different sensors based on their specific applications and locations. Critical sensors have lower thresholds and higher priority alerts, while non-critical sensors use higher thresholds. This localized differentiation reduces the overall complexity by focusing attention on the most important sensors while still maintaining comprehensive monitoring coverage.
Solution Approach 2:
The system segments the monitoring function into distinct modules: battery status detection at the sensor level, data transmission through wireless communication, data storage and management at the monitoring system level, and alert generation. This segmentation allows each module to be independently optimized and managed, reducing overall system complexity while maintaining effective battery level monitoring and safety incident prevention across all sensors.
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
Prevents safety incidents and allows for quick responses to low battery levels by sending alarm messages to managers and providing location information for sensors with low batteries, thus reducing the need for extensive searches.
Implementation Method 1
The wireless sensor may measure the voltage by measuring an amount of charges of a cross-sectional area per unit time provided from a battery unit to the control unit
Data Source
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AI summary
The present invention relates to a battery alarm system for wireless sensors and a method thereof, the battery alarm system for sensors, according to an embodiment of the present invention, comprising: a wireless control device for communicating with a plurality of wireless sensors that monitor the status of a random space or equipment so as to receive status data related to the battery status of each wireless sensor; and a sensor monitoring device for matching the received status data to identification information of each wireless sensor to store and manage same, providing an error alarm to an administrator terminal device that manages the plurality of wireless sensors, and, in case the administrator terminal device selects the error alarm provided thereto, providing a monitoring screen for identifying the location of the wireless sensor at which an error has occurred.