Safety Belt Hook Monitoring for Worker Fall Risk Alerts
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Solution Overview
Problem
Workers often fail to properly wear safety equipment due to its cumbersome nature, increasing the risk of accidents such as falls and object impacts at industrial sites.
Innovation Solution
A sensor device is attached to a safety belt to detect the fastening state of a safety hook and predict a risk level by analyzing detection signals, generating alarms when the hook is unfastened or the risk level is high.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If safety equipment is made more comprehensive and reliable, then worker safety is improved, but the equipment becomes more cumbersome and difficult to operate
Solution Approach 1:
The patent replaces complex mechanical safety monitoring systems with electronic sensors and wireless communication technology. The sensor device detects hook fastening state electronically rather than through mechanical interlocks, and transmits data wirelessly to eliminate cumbersome wired connections, thereby maintaining safety while improving ease of operation
Solution Approach 2:
The safety belt system performs self-monitoring through integrated sensors that automatically detect the fastening state of the safety hook. The system self-evaluates risk levels and generates alerts without requiring worker intervention or complex manual checks, making the safety equipment more autonomous and easier to use
2Measurement precision
If safety monitoring systems are made more comprehensive, then accident detection capability is improved, but device complexity increases
Solution Approach 1:
The safety monitoring system is divided into independent functional modules: a sensor module for detecting hook fastening state, an altitude measurement module, a processing module for risk assessment, and a communication module for alert transmission. This segmentation allows each component to perform its function simply while the integrated system provides comprehensive monitoring capability
Solution Approach 2:
The sensor device is designed to perform multiple functions using a single integrated unit: detecting hook fastening state, measuring worker altitude, evaluating risk levels, and transmitting alerts. This multi-functionality reduces the need for multiple separate devices and simplifies the overall system while maintaining comprehensive monitoring capability
Data Source
AI summary
An apparatus and method for safety management and a safety management method includes determining whether a safety hook connected through a connecting rope provided to a safety belt worn by a worker is fastened to a safety equipment; loading a first score set in response to whether the safety hook is fastened to the safety equipment and a second score set in response to a duration of a state in which the safety hook is unfastened to the safety equipment, according to a result of the determination; receiving, from a first sensor unit, a first detection signal of detecting an altitude of a worksite in which the worker is working; loading a third score set in response to the first detection signal; and determining a risk level of the worker from a summation result of the first score, the second score, and the third score.


