RFID Cylinder Vending Unit with Segmented Storage
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Solution Overview
Problem
Standard pressurized gas cylinders used for welding and cutting are inconvenient for small quantity users to obtain or exchange outside of store hours, as they are heavy and require manual handling, necessitating a secure and round-the-clock access solution.
Innovation Solution
A modular vending unit with RFID-tagged container storage and dispensing system that allows incremental rotation and locking, featuring an RFID inventory interrogation and data collection system, electronic container inventory, and secure payment interfaces for convenient and secure access to gas cylinders.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a vending machine system is implemented to provide 24/7 access to gas cylinders, then availability and convenience for users are improved, but device complexity and security requirements increase
Solution Approach 1:
The storage unit is divided into multiple discrete storage volumes, each capable of holding a single container. This segmentation allows the system to manage inventory in discrete units and provides modular scalability while maintaining system security.
Solution Approach 2:
The system replaces manual inventory tracking and security monitoring with an automated RFID-based detection and control system. The RFID transducer automatically detects container presence and updates inventory status, eliminating the need for manual counting and reducing operational complexity.
2Measurement precision
If RFID inventory interrogation and data collection means are implemented, then inventory tracking accuracy is improved, but device complexity and cost increase
Solution Approach 1:
The RFID tags on the containers perform self-identification and the RFID transducer automatically interrogates and collects data from them without human intervention. This self-service approach enables automatic inventory tracking, reducing the need for manual counting while maintaining high accuracy.
Solution Approach 2:
The system implements continuous feedback through the RFID transducer that automatically detects container presence and updates the inventory status in real-time. This feedback mechanism ensures accurate inventory tracking and enables the control unit to respond dynamically to inventory changes.
3Reliability
If secure access control mechanisms are implemented, then security and safety are improved, but ease of operation and user access convenience decrease
Solution Approach 1:
The system introduces an intermediary access control mechanism that mediates between security requirements and user convenience. The access means can be remotely controlled to unlock for authorized users, providing secure access while maintaining convenience through automated authentication and remote control capabilities.
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
Enables users to access and manage gas cylinders conveniently and securely at any time, with real-time inventory tracking and secure payment options, ensuring accurate inventory management and safe handling of various gas types.
Implementation Method 1
an RFID inventory interrogation and data collection means, comprising an RFID transducer capable of sending an interrogate signal, and receiving a RFID response signal from each RFID-tagged container
Data Source
AI summary
A method of RFID inventory control for vending containers is provided, including providing a modular vending unit including a rotatable RFID-tagged container storage and dispensing unit, capable of incrementally rotating and locking in predetermined positions, comprising multiple discrete storage volumes each configured to contain a single RFID-tagged container, an access device for accessing the interior of the rotatable RFID-tagged container storage and dispensing unit, capable of switching between a locked and an unlocked state, and configured to cooperate with the rotatable storage and dispensing unit. The system also includes providing an RFID inventory interrogation and data collection device, comprising an RFID transducer capable of sending an interrogate signal, and receiving a RFID response signal from each RFID-tagged container, and an electronic container inventory device in communication with the RFID inventory interrogation and data collection device, configured to indicate a quantity of available containers, and a quantity of unoccupied storage volumes.