Fifth Wheel Vibration Sensing for Reliable Kingpin Coupling
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Solution Overview
Problem
Conventional fifth wheels lack effective methods to monitor and indicate proper coupling to a kingpin, leading to potential improper coupling and safety issues due to worn components or incomplete engagement, which can result in accidental decoupling during vehicle movement.
Innovation Solution
A system that includes a sensor to detect vibrations generated during coupling, processing this data to identify a predetermined vibration component indicative of proper coupling, and an indicator to notify the operator of proper or improper coupling status, which can be easily integrated into existing fifth wheels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional fifth wheels are used without monitoring systems, then the device complexity is low, but the reliability of coupling detection is insufficient
Solution Approach 1:
The patent replaces complex mechanical monitoring mechanisms with electronic sensors and controllers. The sensor detects coupling status through electrical or magnetic fields, and the controller processes signals electronically, substituting mechanical detection methods with field-based sensing to achieve reliable coupling detection while minimizing added complexity
Solution Approach 2:
The fifth wheel system performs self-detection and self-indication of coupling status. The sensor automatically detects whether the kingpin is properly coupled, the controller processes this information, and the indicator automatically notifies the operator, eliminating the need for manual inspection and providing autonomous monitoring functionality
2Measurement precision
If vibration sensing is used to detect coupling status, then the measurement precision of coupling detection is improved, but the difficulty of detecting and measuring increases
Solution Approach 1:
The patent introduces an intermediary controller between the vibration sensor and the indicator system. The sensor detects vibration signals, the controller filters and analyzes these signals to distinguish proper coupling vibrations from noise, and the indicator displays the results. This intermediary processing layer simplifies the detection difficulty by handling signal analysis centrally
Solution Approach 2:
The system establishes a feedback loop where the sensor continuously monitors vibration, the controller analyzes the vibration patterns, and the indicator provides real-time feedback to the operator about coupling status. This closed-loop feedback mechanism enables precise coupling detection through continuous vibration pattern recognition and comparison against predetermined criteria
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 monitors and indicates the coupling status, ensuring safe operation by preventing accidental decoupling and damage, and can be easily integrated into existing fifth wheel systems.
Implementation Method 1
A sensor in operative association with the fifth wheel and configured to sense the vibrations and generate vibration data
Data Source
AI summary
A fifth wheel system includes a fifth wheel configured to couple to a kingpin of a towed trailer such that vibrations are generated when the fifth wheel couples to the kingpin. A sensor in operative association with the fifth wheel and configured to sense the vibrations and generates vibration data. A controller receives the vibration data and processes the vibration data to detect a presence or an absence of a predetermined vibration component that occurs when the fifth wheel properly couples to the kingpin. An indicator indicates proper coupling of the fifth wheel to the kingpin when the predetermined vibration component is present.