Wireless Multi-User Lockout Interface for Keyless Safety Chains
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Solution Overview
Problem
Conventional lockout/tagout devices and procedures are cumbersome, inefficient, and logistically challenging due to the need for multiple mechanical locks and keys, which can lead to delays, increased costs, and inefficiencies in maintaining electrical power systems, especially in large systems with transient worker populations.
Innovation Solution
The implementation of electronically actuated multi-user locking mechanisms with wireless control interfaces, allowing workers to securely establish and remove safety lockout chains using electronic credentials and wireless communication, reducing the need for physical keys and enabling remote participation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional mechanical lockout/tagout devices are used, then worker safety is ensured through physical locking mechanisms, but the system becomes cumbersome and logistically challenging due to the need for multiple locks and keys
Solution Approach 1:
The patent combines multiple lockout functions into a single electronic lockout device that can store multiple lockout credentials and manage multiple locks electronically. This merging reduces the physical number of locks and keys needed while maintaining the safety function through electronic credential verification and lock management.
Solution Approach 2:
The patent replaces mechanical locking mechanisms with an electronic locking system that uses electronic credentials, wireless communication, and digital authentication. This substitution eliminates the need for physical keys and manual lock manipulation while maintaining security through electronic verification and control.
2Reliability
If multiple mechanical locks are used for each worker, then individual worker safety is ensured, but the procedure becomes inefficient and time-consuming
Solution Approach 1:
The electronic lockout device provides universal functionality by accommodating multiple workers and multiple lockout scenarios through a single device. It can store multiple worker credentials, manage multiple locks, and handle different lockout situations electronically, eliminating the need for separate physical locks for each worker while maintaining individual safety accountability.
Solution Approach 2:
The patent replaces manual mechanical lockout procedures with an automated electronic system that handles credential verification, lock engagement, and safety chain management automatically. This substitution significantly improves procedure efficiency by eliminating manual key distribution, lock installation, and coordination while maintaining individual worker safety through electronic authentication.
3Reliability
If conventional lockout devices are used with transient worker populations, then safety is maintained, but logistical challenges and costs increase
Solution Approach 1:
The electronic lockout device provides universal access control for transient worker populations by storing multiple credentials and providing wireless authentication. This eliminates the need for physical key distribution and retrieval logistics, allowing transient workers to access lockout functions through electronic credentials while maintaining safety standards.
Solution Approach 2:
The patent replaces physical key management infrastructure with an electronic credential system that uses wireless communication and digital authentication. This substitution eliminates logistical challenges associated with key distribution, tracking, and security for transient workers while maintaining safety through electronic verification and audit trails.
4Productivity
If electronic lockout mechanisms with wireless control are implemented, then procedure efficiency is improved and resource allocation is optimized, but the device complexity increases
Solution Approach 1:
The patent implements electronic lockout mechanisms with wireless control interfaces that replace manual mechanical operations. The electronic system provides automated credential verification, wireless communication capabilities, and digital lock management, which improve procedure efficiency by eliminating manual key handling and coordination while the integrated design manages device complexity through consolidation of functions.
Data Source
AI summary
Lockout/tagout devices are configured to receive multi-user, electronically generated locking and unlocking commands over wireless interfaces to realize lockout safety chains of a desired length to assure worker safety in an industrial system. Electronically implemented systems and methods are also disclosed providing for enhanced worker safety, increased security, and improved lockout/tagout oversight involving a reduced number of locking devices and with fewer complications compared to conventional lockout/tagout devices, systems and processes.