Wireless Presence Detection Assembly for Blind-Corner Collision Warnings
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Solution Overview
Problem
Conventional safety systems in buildings, such as mirrors and hardwired warning sensors, are inadequate for preventing collisions in areas with limited visibility, and relocating or removing these systems is labor-intensive.
Innovation Solution
A wireless sensor assembly that includes motion sensors and visual/audio indicators, which communicate directly with each other to provide warnings when motion is detected in multiple separated areas, eliminating the need for a centralized controller and allowing easy relocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If hardwired warning sensors are used, then reliability of warning system is improved, but ease of installation and relocation deteriorates
Solution Approach 1:
The system divides the warning system into independent wireless sensor assemblies, each capable of autonomous operation. Each assembly includes its own motion sensor, controller, and indicators, eliminating the need for centralized hardwired connections while maintaining system reliability through distributed intelligence.
Solution Approach 2:
The patent replaces the mechanical/electrical hardwired system with a wireless electronic system. Wireless communication modules substitute for physical wiring, allowing reliable data transmission and control signals without requiring electrical connections to building infrastructure, thereby enabling easy relocation.
2Extent of automation
If centralized controller system is used, then coordination of warning signals is improved, but device complexity and installation difficulty worsens
Solution Approach 1:
Each sensor assembly operates autonomously with built-in intelligence to detect motion, process signals from other assemblies, and control its own indicators. The wireless communication enables automatic coordination between distributed units without requiring a centralized controller, reducing system complexity while maintaining automated warning coordination.
3Loss of information
If mirrors are used for visibility, then awareness of approaching traffic is improved, but effectiveness in stairwells and elevator areas deteriorates
Solution Approach 1:
The wireless sensor assembly provides universal motion detection and warning capability applicable to multiple locations including intersections, stairwells, and elevator areas. The system adapts to different environments through configurable detection zones and wireless communication, unlike mirrors which are location-specific and ineffective in areas where line-of-sight is blocked.
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
Effectively prevents collisions by providing real-time visual and auditory warnings in areas with limited visibility, while being easily installable and relocatable without requiring external power or wiring.
Implementation Method 1
a motion sensor oriented to sense motion within a first field of monitoring
Implementation Method 2
at least one visual indicator being changeable between an active state and an inactive state
Data Source
AI summary
A safety system for preventing collisions includes presence detection sensors oriented to sense the presence of a person or machine within a first and a second field of monitoring, and providing a visual indicator indicative of the person and/or machine sensed within the first and second fields of monitoring.