Wearable ESD Alert Device for Real-Time Detection
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Solution Overview
Problem
Current electrostatic discharge (ESD) detection devices are large, expensive, and difficult to use for tracking ESD events around highly sensitive devices or parts, leading to significant scrap due to undetected ESD events.
Innovation Solution
A compact, cost-effective ESD alert device with circuitry including an antenna for detecting ESD and a signal processor that triggers an alert when an ESD signal reaches a preset threshold, allowing for wearable or integrated applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional ESD detection devices are used, then ESD detection capability is provided, but device size is large and cost is high
Solution Approach 1:
The patent segments the ESD detection system into a wearable alert device for the operator and separate sensing elements that can be placed near sensitive equipment. This allows the main processing unit to be small and wearable while the sensing components are distributed throughout the workspace, resolving the contradiction between detection capability and device size.
Solution Approach 2:
The patent introduces an intermediary wearable alert device that receives signals from distributed ESD sensors and provides alerts to the operator. This intermediary approach allows the system to maintain comprehensive ESD detection coverage without requiring a large centralized detection device, thus resolving the size-capability contradiction.
2Reliability
If traditional ESD detection devices are used, then ESD detection is provided, but device cost is expensive
Solution Approach 1:
The patent employs inexpensive ESD sensor elements that can be distributed throughout the workspace and replaced if needed, rather than using one expensive traditional detection device. The wearable alert device uses cost-effective components like LEDs and simple signal processing, significantly reducing overall system cost while maintaining detection capability.
Solution Approach 2:
The patent extracts the core alerting function from expensive traditional ESD detection systems and implements it using simple, low-cost components in a wearable device. By separating the alerting function from complex detection systems, the patent achieves reliable ESD detection at a fraction of the traditional cost.
3Productivity
If ESD events are not tracked, then operational continuity is maintained, but scrap increases due to undetected ESD events
Solution Approach 1:
The patent implements immediate feedback through wearable alerts that notify operators of ESD events in real-time. This feedback mechanism allows operators to take corrective action immediately, preventing undetected ESD damage to sensitive equipment and reducing scrap while maintaining operational continuity through quick response.
Solution Approach 2:
The patent enables preliminary detection and alerting of ESD events before they cause damage to sensitive equipment. By providing advance warning through the wearable alert system, operators can take protective actions to prevent scrap, thus maintaining productivity while reducing material loss.
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 ESD alert device provides accurate and timely alerts for ESD events, reducing scrap and improving efficiency in manufacturing processes by allowing for real-time monitoring and detection of ESD events.
Implementation Method 1
The circuitry includes an antenna for detecting ESD
Data Source
AI summary
An alert device and method of detecting electrostatic discharge (ESD) events. The ESD alert device includes a substrate for supporting printed circuitry thereon, the printed circuitry, and an alert device fixed relative to the substrate. The printed circuitry may be printed onto the substrate and may include an antenna for detecting ESD as well as a signal processor communicably coupled with the antenna. The signal processor may identify that a signal received from the antenna is equal to or above a preset threshold ESD reading. The alert device may be electrically or communicably coupled to the signal processor and may be triggerable by the signal processor to provide a visual or audible alert to an operator that the preset threshold ESD reading has been reached or surpassed.