RFID Tag in Shipping Container Document Port
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Solution Overview
Problem
Existing RFID tags either function solely as passive or active devices, failing to meet the need for a system that can seamlessly transition between both roles and operate effectively in extreme environments, such as sensitive assets like missiles, and lack integration with internal monitoring systems for shipping containers.
Innovation Solution
An RFID identification system with integrated sensors, mounted inside a shipping container's document port, utilizing electromagnetic radiation for data communication, which includes a microcontroller for energy conservation and can transmit data via radio, cellular, or satellite frequencies, incorporating various sensors like shock, temperature, and humidity sensors, and allowing for internal system integration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If RFID tags are mounted externally on shipping containers, then data collection is facilitated, but the tags are exposed to external environmental damage and tampering
Solution Approach 1:
The RFID tag is nested within the document port cover structure, which provides protective enclosure while maintaining operational functionality. The tag is positioned inside the cover rather than externally mounted, allowing it to be shielded from environmental factors and tampering while still enabling data communication when the port is accessed.
2Reliability
If RFID tags are mounted inside shipping containers, then tags are protected from environmental damage, but data collection becomes more difficult
Solution Approach 1:
The document port cover serves as an intermediary structure that bridges the protective interior environment and the external data collection need. The RFID tag mounted on the inner surface of the cover can communicate with external readers when the port is opened, while remaining protected when closed. This intermediary position resolves the contradiction between protection and accessibility.
3Adaptability or versatility
If active RFID tags with sensors are used, then environmental monitoring capability is improved, but device complexity and cost increase
Solution Approach 1:
The document port cover is designed to serve multiple functions: it acts as a protective enclosure for the RFID tag, provides a mounting surface for the tag, enables data communication when opened, and can incorporate sensors for environmental monitoring. This multi-functionality reduces the need for separate components, thereby managing complexity while enhancing versatility.
4Device complexity
If passive RFID tags are used, then device complexity is reduced, but the tags cannot provide active environmental monitoring
Solution Approach 1:
The system merges passive RFID functionality with active sensor capabilities by integrating both on the document port cover. The passive RFID tag provides identification and basic data storage, while additional sensor components add environmental monitoring capabilities. This combination allows the system to achieve both simplicity and versatility by consolidating multiple functions into a single integrated unit.
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
This solution provides a compact, reliable, and cost-effective means for monitoring container conditions, ensuring compatibility with emerging standards, reducing data collection time, minimizing losses, and enhancing system availability by enabling proactive condition assessment and integration with existing monitoring systems.
Implementation Method 1
which tag communicates data via electromagnetic radiation
Data Source
AI summary
An identification system and method comprising attaching an identification tag to an inside surface of a shipping container port cover and communicating data from the tag via electromagnetic radiation.