Refrigeration system and device
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Solution Overview
Problem
Current refrigeration systems lack adaptability, energy efficiency, and effective inventory management, leading to increased operational costs and maintenance needs for restaurant and food service operators.
Innovation Solution
A refrigeration device with a processor-controlled environmental system, equipped with sensors for temperature monitoring and product identification, and a graphical user interface for real-time data presentation, which adjusts operations based on temperature gradients and door status, and integrates with a refrigeration management system for alarm detection and energy optimization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If traditional refrigeration systems are used, then the system structure is simple, but the energy efficiency is poor and operational costs are high
Solution Approach 1:
The refrigeration system is divided into multiple independent temperature zones (e.g., refrigeration zone at 3-8°C and freezing zone at -18 to -25°C), each with independent temperature control. This segmentation allows each zone to operate at optimal temperatures independently, improving overall energy efficiency while maintaining manageable system complexity through modular control architecture
Solution Approach 2:
The system implements dynamic temperature control that adjusts cooling intensity based on real-time conditions. The processor monitors temperature gradients and door status continuously, dynamically adjusting compressor operation and cooling intensity to match actual demand, thereby improving energy efficiency without requiring overly complex fixed-control systems
Solution Approach 3:
Multiple temperature sensors provide continuous feedback to the processor about temperature distribution throughout the cabinet. The processor uses this feedback to adjust cooling operations in real-time, optimizing energy consumption while maintaining temperature uniformity. The system also provides feedback to users through display interfaces about system status and energy usage
2Adaptability or versatility
If basic temperature control is used, then the device complexity is low, but the adaptability to different storage conditions is poor
Solution Approach 1:
The interior space is segmented into multiple temperature zones with independent control capabilities, allowing different storage conditions (refrigeration, freezing, chill) to be maintained simultaneously in different areas. This enables high adaptability to diverse storage needs while keeping each zone's control relatively simple
Solution Approach 2:
The refrigeration system is designed to provide multiple storage functions (refrigeration, freezing, chilling) within a single cabinet structure. The system can operate in different modes depending on requirements, making it universally applicable to various food storage needs without requiring separate specialized equipment for each function
3Ease of repair
If manual monitoring is used, then the device complexity is low, but the maintenance needs increase and operational costs are high
Solution Approach 1:
Temperature sensors continuously monitor temperature conditions in each zone and provide feedback to the processor. The system automatically detects temperature deviations, door opening events, and potential malfunctions, then adjusts operations or alerts users accordingly. This automated monitoring reduces maintenance needs by enabling early detection of issues while using simple sensor-based feedback mechanisms
Solution Approach 2:
The system performs self-diagnosis and self-adjustment based on sensor data. When temperature deviations or anomalies are detected, the processor automatically adjusts cooling operations or activates alarm functions without requiring manual intervention. This self-service capability reduces maintenance burden while using relatively simple automated monitoring components
4Productivity
If comprehensive sensor monitoring is implemented, then the productivity and inventory management improve, but the device complexity increases
Solution Approach 1:
Temperature sensors are strategically placed in different zones and locations throughout the cabinet to monitor temperature distribution segment by segment. This segmented monitoring approach provides comprehensive inventory management data for different storage areas while keeping the sensor network manageable through zoned coverage rather than universal dense sensing
Solution Approach 2:
The temperature sensors serve multiple functions: monitoring storage conditions for inventory management, detecting door opening events, identifying temperature gradients for cooling optimization, and providing data for energy efficiency analysis. This multi-functionality improves productivity across multiple operational areas while using a single sensor infrastructure
Data Source
AI summary
A refrigeration device includes a cabinet defining a compartment and is operable to control an environment within the compartment. At least one sensor is associated with the compartment. A processor receives compartment data from the at least one sensor associated with the compartment. The processor operates an environmental control system of the refrigeration device according to the compartment data. The processor is communicatively connected to and operates a graphical display of an input module to present compartment data in a graphical user interface of the input module.