Rack Storage Door Closure Sensor Monitoring
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Solution Overview
Problem
Existing rack store systems fail to immediately detect improper closing of doors, leading to doors being left ajar, which is undesirable and can cause issues during storage and retrieval operations.
Innovation Solution
A closure sensor, preferably part of the uncoupling and displacing device, monitors the closed position of the coupling mechanism using a distance sensor, such as a laser beam, to detect any malpositioning and emit a warning signal, allowing for immediate corrective action.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a catch-bolt mechanism is used to close doors in rack stores, then the door can be securely closed, but improper closing cannot be detected immediately
Solution Approach 1:
A closure sensor is integrated into the catch-bolt mechanism to provide immediate feedback on the door's closing status. The sensor detects whether the door is properly closed and transmits this information to the control system, enabling real-time monitoring and immediate detection of improper closing, thus resolving the information loss problem while maintaining closure reliability
Solution Approach 2:
The mechanical catch-bolt mechanism is supplemented with an electronic sensing system. The closure sensor replaces the need for manual inspection or indirect detection methods, providing direct electronic feedback about the door's closing status to the control system
2Object-affected harmful factors
If the door is not closed properly, then storage articles may be exposed or damaged, but the fault is only detected when the door is approached or opened again
Solution Approach 1:
The closure sensor performs preliminary detection of the door's closing status immediately after the door closing operation. This preliminary action detects improper closing before the storage and retrieval unit approaches or opens the door again, preventing potential exposure or damage to storage articles and reducing the time to detect closure faults
Solution Approach 2:
The control system receives real-time feedback from the closure sensor about the door's closing status. When improper closing is detected, the system can immediately issue warnings or prevent operations, protecting storage articles and eliminating the time delay associated with detecting faults only during subsequent door approaches
3Reliability
If a closure sensor is provided for each coupling mechanism, then immediate detection of improper closing is achieved, but the device complexity increases
Solution Approach 1:
The closure sensor is integrated into the uncoupling and displacing device, which is already present in the rack store system for door operation. This multi-functional approach allows the same device to perform both door displacement and closure monitoring functions, reducing the need for separate closure sensors at each coupling mechanism while maintaining reliable monitoring
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
Ensures proper closure of doors by detecting and alerting on improper closing, enabling automatic or manual re-closure, thus maintaining the integrity of the storage and retrieval process.
Implementation Method 1
A closure sensor, preferably part of the uncoupling and displacing device, monitors the closed position of the coupling mechanism using a distance sensor, such as a laser beam
Data Source
AI summary
A configuration contains a coupling mechanism for closing a door of a rack store, the door being guided in particular on rails, and an uncoupling and displacing device for opening and displacing the door. The uncoupling and displacing device has a displaceable driver, with which the coupling mechanism can be moved from a closed position into an open position and the door can be displaced. A closure sensor monitors the closed position of the coupling mechanism.