Trailer compartment transportation refrigeration unit operation visualization
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Solution Overview
Problem
Existing transport refrigeration systems face inefficiencies in power consumption, particularly in electrically driven systems, and lack effective monitoring and control of refrigerated cargo spaces to maintain optimal conditions for perishable goods.
Innovation Solution
A transport refrigeration system with a controller and display unit that monitors and displays operating parameters of multiple compartments, allowing for precise temperature and humidity control, and integrates energy storage devices to optimize power usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple temperature zones are maintained in the trailer compartment, then different product freshness requirements are met, but energy consumption increases
Solution Approach 1:
The trailer compartment is divided into multiple temperature zones (first temperature zone with first refrigeration unit, second temperature zone with second refrigeration unit) to maintain different temperatures for different products. This segmentation allows each zone to be optimized independently, preventing energy waste from cooling entire compartments to the lowest required temperature.
Solution Approach 2:
Different regions of the trailer compartment are assigned different temperature characteristics based on local product requirements. The first refrigeration unit maintains a first temperature for products requiring lower temperatures, while the second refrigeration unit maintains a second temperature for products requiring higher temperatures, optimizing energy usage by cooling only necessary areas to necessary levels.
2Ease of operation
If manual temperature monitoring and adjustment is performed, then operational simplicity is maintained, but temperature control precision deteriorates
Solution Approach 1:
Temperature sensors continuously monitor the actual temperature in each zone, and this feedback is sent to the control unit. The control unit compares the actual temperature with the setpoint temperature and automatically adjusts the refrigeration units accordingly, maintaining precise temperature control without requiring manual intervention or expertise from operators.
Solution Approach 2:
The refrigeration system performs self-adjustment through automated control. The control unit autonomously regulates the refrigeration units based on temperature feedback, eliminating the need for manual temperature monitoring and adjustment by operators, thus maintaining both simplicity and precision.
3Adaptability or versatility
If multiple refrigeration units operate independently, then temperature control flexibility is improved, but system complexity increases
Solution Approach 1:
The control unit serves multiple functions: it controls both the first and second refrigeration units, monitors temperatures from multiple sensors, manages defrost cycles, and coordinates operations across different temperature zones. This centralized multi-functional control reduces overall system complexity despite having multiple refrigeration units operating independently.
Solution Approach 2:
Multiple control functions (temperature regulation, sensor monitoring, defrost control, and coordination between zones) are merged into a single control unit. This consolidation simplifies the system architecture by providing centralized intelligence that manages all refrigeration operations, reducing the need for separate control systems for each zone.
4Reliability
If frequent manual inspections are conducted, then product safety is monitored, but productivity decreases
Solution Approach 1:
Temperature sensors continuously provide feedback on the actual temperature in each zone, enabling real-time monitoring of product storage conditions without manual inspection. This automated feedback system ensures product safety by detecting temperature deviations immediately while allowing operations to proceed uninterrupted.
Solution Approach 2:
Manual inspection processes are replaced with automated electronic temperature monitoring and control systems. The electronic sensors and control units continuously monitor and regulate temperatures, eliminating the need for frequent manual checks and thereby maintaining product safety while improving operational efficiency.
Data Source
Figure 1
Figure 2
Figure 3A~3B
AI summary
A transport refrigeration system (100) including a refrigerated cargo space (119) subdivided into one or more compartments (121A, 121B 121C) including a first compartment; a transportation refrigeration unit (22) configured to provide conditioned air to each of the one or more compartments; and a display (400) configured to generate a graphical user interface comprising one or more graphical user interface sections (422A, 422B, 422C), wherein the one or more graphical user interface sections comprise a first graphical user interface section (422A) associated with the first compartment (121A), wherein the first graphical user interface section displays operating parameters for the first compartment, and wherein the first graphical user interface section displays a compartment icon (428) illustrating a current compartment layout of the one or more compartments and identifies the first compartment.