Aircraft Stowage Bin Control System for Hygiene and Safety
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Solution Overview
Problem
Commercial aircraft stowage bins pose hygiene risks due to frequent handling and are difficult to manage, especially during restricted flight periods like takeoff, landing, and turbulence, as passengers can inadvertently open them, leading to hazardous situations.
Innovation Solution
A wireless stowage bin control system that allows for touch-free operation and remote control by flight personnel, using sensors and actuators to automatically lock/unlock and open/close bins, preventing passenger access during restricted periods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If passengers manually operate stowage bin latches, then bins can be opened and closed, but hygiene risks increase due to frequent contact with germs and bacteria
Solution Approach 1:
The patent replaces the manual mechanical latch operation with an automated motor-driven system. The motor is operatively coupled to the stowage bin compartment and can be remotely controlled via a control system, eliminating the need for passengers to physically touch and manipulate the latch mechanism, thereby reducing hygiene contamination while maintaining operational capability.
2Ease of operation
If passengers can freely open stowage bins, then easy access to belongings is achieved, but safety hazards occur during takeoff, landing, and turbulence
Solution Approach 1:
The patent implements a dynamic control system that can change the operational state of stowage bins based on flight conditions. The master control device can remotely lock or unlock bins, and the system can transition between different operational modes (e.g., locked during takeoff/landing, accessible during cruise), allowing easy access when safe while ensuring safety when hazardous.
Solution Approach 2:
The control system includes sensors that detect flight conditions and provide feedback to the master control device. Based on this feedback, the system automatically adjusts bin accessibility - locking bins during hazardous periods like takeoff, landing, and turbulence, and unlocking them during safe periods, thereby maintaining both ease of operation and flight safety.
3Reliability
If flight attendants manually monitor and control each stowage bin, then passenger safety is maintained, but operational complexity and time consumption increase
Solution Approach 1:
The patent merges the control of multiple individual stowage bins into a single centralized master control system. This master control device can simultaneously or sequentially control numerous bins across the aircraft, reducing the operational complexity for flight attendants while maintaining comprehensive safety monitoring through automated sensor-based detection and control.
Solution Approach 2:
The control system incorporates automated sensors and control algorithms that independently monitor flight conditions and bin states, and automatically execute appropriate actions without requiring constant manual intervention from flight attendants. This self-service capability reduces operational complexity while maintaining reliable safety monitoring.
4Measurement precision
If weight sensors are added to stowage bins, then weight monitoring capability is improved, but device complexity increases
Solution Approach 1:
The patent integrates weight sensors into the existing stowage bin structure, allowing the same sensor system to serve multiple functions: monitoring weight for safety purposes, detecting presence of items, and potentially tracking usage patterns. This multi-functionality approach improves measurement precision while minimizing the increase in device complexity by consolidating sensor purposes.
Data Source
Figure 1
Figure 2A~2B
Figure 3
AI summary
A stowage bin assembly is within an interior cabin of a vehicle. The stowage bin assembly includes a weight sensor that is configured to detect the weight of the stowage bin assembly.