CAN Bus Adapter for Real-Time Data Access in Transport Refrigeration
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Solution Overview
Problem
Current transport refrigeration systems lack direct connectivity to the controller area network bus, limiting data accessibility and requiring time-consuming data collection and evaluation, which hampers efficient monitoring and troubleshooting.
Innovation Solution
A cable adapter with connectors allows a portable device to directly connect to the control system's CAN bus, enabling real-time data access and expanded data collection through an engine emission system port, facilitating direct communication with the CAN bus.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a break out box is used to access the controller area network bus, then data can be collected, but the information is limited and the process is time-consuming
Solution Approach 1:
The patent introduces an adapter as an intermediary device that connects the portable device directly to the CAN bus through the engine emission system port. This adapter serves as a mediator that enables full data access without the limitations of using a break out box, allowing real-time data collection and eliminating the time-consuming process of evaluating limited data through intermediate devices.
2Loss of information
If a break out box is used to access the controller area network bus, then data can be collected, but the information that may be collected is limited
Solution Approach 1:
The adapter acts as a simplified intermediary that provides direct access to the CAN bus through the existing engine emission system port. Rather than using a complex break out box setup with limited access points, the adapter enables complete data collection by directly interfacing with the CAN bus, thus improving data completeness without significantly increasing system complexity.
3Reliability
If pico scopes or recorders are used to collect data, then troubleshooting information can be obtained, but the evaluation of collected data is time consuming
Solution Approach 1:
The adapter serves as a direct communication intermediary between the portable device and the CAN bus, enabling real-time data access and monitoring. This eliminates the need to use pico scopes or recorders that require subsequent data evaluation, as the adapter provides immediate access to all relevant troubleshooting information, thereby maintaining reliability while dramatically reducing the time required for data evaluation.
Data Source
AI summary
An adapter for connecting a portable device to a control system of a transport refrigeration system includes a cable having a first end and a second end. A first connector is arranged at the first end of the cable and a second connector is arranged at the second end of the cable. The first connector is connectable to the portable device and the second connector is receivable within a port of the control system.