Floating Shock Detector Network for Water Safety
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Solution Overview
Problem
Electrical faults in bodies of water can lead to electric shock drowning, where swimmers can be electrocuted due to current leakage, and existing shock detectors may not effectively alert individuals to hazardous electrical conditions or locate their source, especially when conditions are localized or beyond visual and audible ranges.
Innovation Solution
A shock detector system comprising floating, self-activating units with visual and audible alarms, and wireless communication between detectors to alert users to both immediate dangers and cautionary conditions, using water electrodes to measure voltage gradients and perform self-tests for operational readiness, and allowing for the isolation of electrical shorts through displacement in the water.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single shock detector is used to monitor a body of water, then the device complexity is reduced, but the ability to detect localized harmful electrical conditions throughout the entire water body is insufficient
Solution Approach 1:
The monitoring system is divided into multiple independent shock detector units distributed throughout the water body. Each detector independently monitors its local area, and together they provide comprehensive coverage of the entire water body, solving the limitation of a single detector unable to detect localized conditions elsewhere.
Solution Approach 2:
The system transitions from a single-point detection model to a distributed spatial network. By adding the spatial dimension of multiple detection points across the water body, the system achieves three-dimensional coverage, enabling detection of localized harmful electrical conditions anywhere in the monitored area.
2Reliability
If shock detectors are placed throughout the water body to detect localized harmful conditions, then the detection coverage is improved, but the visual and audible alarm range remains limited when conditions are beyond direct detection range
Solution Approach 1:
Wireless communication acts as an intermediary between shock detectors and remote monitoring devices. When a detector identifies a harmful electrical condition, it transmits this information wirelessly to remote devices, allowing alerts to be received beyond the visual and audible range of the original detector, thus extending the effective warning distance.
Solution Approach 2:
The system implements feedback through wireless communication between detectors and remote monitoring devices. Detection results are continuously transmitted and updated, allowing real-time monitoring of harmful electrical conditions across the entire water body, even for conditions beyond direct sensory range of individual detectors.
3Loss of information
If multiple shock detectors are deployed with wireless communication, then the ability to locate and monitor harmful electrical conditions is improved, but the device complexity and system cost increase
Solution Approach 1:
Each shock detector unit is designed as a universal, multi-functional device that can both detect local harmful electrical conditions and communicate wirelessly with other units and remote devices. This standardized multi-functional design reduces overall system complexity compared to having specialized components for each function.
Solution Approach 2:
The system merges detection and communication functions into integrated shock detector units. By combining these functions in single modular units rather than separating them, the system reduces the number of discrete components and simplifies deployment while maintaining comprehensive monitoring capabilities.
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 effectively detects and alerts users to harmful electrical conditions in bodies of water, preventing electrocution by providing real-time information on voltage gradients and aiding in the localization of electrical sources, even when conditions are remote or localized, thereby ensuring safer water usage.
Implementation Method 1
measuring the existence of a harmful water voltage in a body of water by measuring a voltage gradient on a set of water electrodes
Data Source
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.