Container Verification via Electrical Plug and Receptacle Coupling
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Solution Overview
Problem
In intermodal freight distribution, tracking devices on containers often fail due to power shortages and harsh environments, and drivers may mistakenly mate trailers with the wrong tractors, leading to delivery errors and losses for both shipping companies and clients.
Innovation Solution
A system that uses an electrical receptacle and plug on transport vehicles and containers, coupled with a switch and actuator, to activate tracking devices and verify container identity through GPS and electronic readers, ensuring accurate mating and tracking without additional driver action.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If tracking devices are placed on containers, then container tracking capability is improved, but power availability and device reliability deteriorate due to power shortages and harsh environments
Solution Approach 1:
The system uses the existing electrical connection process between tractor and trailer to automatically activate tracking. The electrical receptacle and plug coupling itself triggers the tracking device activation through switch and actuator coupling, requiring no additional action from the driver and no separate power provisioning beyond the normal electrical connection already being made during mating.
Solution Approach 2:
The electrical receptacle and plug system serves multiple functions: it provides electrical power for trailer lights and communication, and simultaneously activates the tracking device through integrated switch and actuator coupling. This multi-functionality eliminates the need for separate tracking device power provisioning.
2Measurement precision
If verification mechanisms are added to prevent wrong mating, then mating accuracy is improved, but operational complexity and driver workload increase
Solution Approach 1:
The verification system automatically reads the identification tag and compares container identity upon electrical connection without requiring any additional actions from the driver. The driver simply performs the normal electrical plug coupling, and the system self-activates verification through the switch and actuator coupling.
Solution Approach 2:
The verification function is merged with the existing electrical connection process. The same electrical receptacle and plug that provide power also trigger verification through integrated switch and actuator coupling, combining multiple functions into a single operational step that requires no additional driver effort.
3Reliability
If tracking devices are continuously powered, then tracking reliability is improved, but energy consumption increases
Solution Approach 1:
The tracking device is activated periodically based on event triggers rather than continuously. The switch and actuator coupling detects when electrical connection occurs (mating event) and activates tracking only at those moments, eliminating continuous power consumption while maintaining reliability during critical operations.
Solution Approach 2:
The tracking device power state dynamically changes based on operational conditions. It transitions from off to on state when electrical connection is detected through the switch and actuator coupling, and returns to off state when disconnected, optimizing energy usage according to actual operational needs.
Data Source
AI summary
A method and system related to container identification through an electrical receptacle and plug associated with the container of an intermodal freight transport system is disclosed. According to one embodiment, a method includes coupling an electrical power plug of a container and an electrical power receptacle of a transport vehicle. Also, the method includes activating a tracking device of the container through a switch and actuator coupling. Further, the method includes verifying an identity of the container upon coupling the electrical power plug to the electrical power receptacle through an identification tag of the container and an electronic reader. Furthermore, the method may include conserving battery power through deactivating the tracking device of the container when the electrical power plug is de-coupled to the electrical power receptacle. The method may also include delivering an alert message to a driver when an incorrect container is identified.