Wireless Shock Detector Network for Electro-Shock Drowning Prevention
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing shock detectors fail to effectively alert individuals to hazardous electrical conditions in bodies of water, particularly when conditions are localized, leading to potential electrocution risks due to electric shock drowning, as they may not detect remote regions with harmful electrical fields within their visual or audible range.
Innovation Solution
A shock detector system comprising a set of floating, wireless, and self-activating units that measure voltage gradients using water electrodes, generate 'danger' and 'caution' signals to alert users of immediate hazards and potential risks in other areas, respectively, and include self-testing and propulsion features for accurate detection and localization of electrical shorts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single shock detector is used to monitor a body of water, then the device complexity is reduced, but the detection coverage and reliability are insufficient because localized harmful electrical conditions may exist in remote regions beyond the detector's visual or audible range
Solution Approach 1:
The system divides the monitoring task into multiple independent shock detector units distributed throughout the body of water. Each detector independently monitors its local region and communicates with others via wireless transceivers, collectively providing comprehensive coverage of the entire water area without requiring a single complex centralized system
Solution Approach 2:
The shock detector system employs a hierarchical structure where individual detectors form a network within the larger monitoring system. Each detector contains nested functional components (electrodes, microcontroller, transceiver, alarms) that work together, while the collective network of detectors provides system-level redundancy and extended coverage beyond what a single detector could achieve
2Reliability
If multiple shock detectors are deployed to cover remote regions, then the detection coverage and reliability improve, but the device complexity and cost increase
Solution Approach 1:
The shock detectors form a wireless network where each unit provides feedback to others about detected electrical conditions. When one detector identifies a hazard, it communicates this information through the transceiver network to other detectors, enabling them to alert users about remote hazardous regions even when those regions are beyond their direct detection range
Solution Approach 2:
Each shock detector unit is designed as a multi-functional device that can both detect local electrical hazards through its electrodes and serve as a communication node in the wireless network. This universal design allows each unit to perform multiple roles: local monitoring, wireless communication, and remote hazard notification, reducing the need for separate specialized devices
3Loss of information
If the alarm range is extended to cover remote hazardous regions, then the detection capability improves, but the harmful factors increase because users may not be able to visually locate the actual hazard source
Solution Approach 1:
The wireless transceiver network acts as an intermediary communication channel between detectors at different locations. When a hazard is detected, the alarm signal is transmitted through this intermediary network to multiple detectors, which then provide audible and visual alerts to users. This intermediary system preserves accurate spatial information about hazard locations while extending the alert range beyond direct visual observation
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
The system provides comprehensive and timely alerts to users about hazardous electrical conditions in bodies of water, enabling safer use and reducing the risk of electrocution by identifying and isolating sources of electrical hazards through visual, audible, and wireless communication, even in areas beyond the immediate range of the detectors.
Implementation Method 1
measuring the water voltage gradient across the body of water with the shock detector
Implementation Method 2
transmitting an alarm signal to at least one other shock detector in the set through a wireless transceiver in each of the shock detectors
Data Source
Figure 1~3
Figure 4
Figure 5
AI summary
A shock detector system for determining the existence of a harmful electrical condition in a body of water proximate a first shock detector or a second shock detector with the first shock detector providing a danger signal if the harmful electrical condition proximate the first shock detector could injure or kill a person coming into contact with the body of water proximate the first shock detector and the second shock detector providing a caution signal if there is no harmful electrical condition detected by the second shock detector even though there is a harmful electrical condition proximate the first shock detector.