Refrigerator Cold Air Guide Design for Uniform Ice Making
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional ice making in refrigerators is inefficient due to non-uniform distribution of cold air, leading to longer ice making times.
Innovation Solution
A cold air guide system is introduced to direct and uniformly distribute cold air over the ice making tray, using a hollow guide body with inlet and outlet sections and guide ribs to optimize cold air flow and reduce leakage, ensuring consistent ice formation across the tray.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If cold air is supplied to the ice making compartment without a guide, then the ice making device can operate, but the cold air is not uniformly distributed over the ice making tray leading to longer ice making time
Solution Approach 1:
A cold air guide is introduced as an intermediary component between the cold air inlet and the ice making tray. The guide directs and distributes cold air uniformly across the tray surface, improving heat transfer efficiency and reducing ice making time without requiring additional energy input.
Solution Approach 2:
The cold air guide extends in the vertical dimension above the ice making tray, creating a three-dimensional air distribution structure. This allows cold air to be delivered from multiple directions and heights, ensuring uniform coverage across the entire tray surface and eliminating dead zones.
2Productivity
If a cold air guide is added to improve cold air distribution, then ice making time is reduced, but the device complexity increases
Solution Approach 1:
The cold air guide is divided into multiple independent guide sections, each corresponding to a specific region of the ice making tray. This segmentation allows for modular manufacturing, easier assembly, and simplified maintenance while achieving uniform cold air distribution across the entire tray.
Solution Approach 2:
The cold air guide structure serves multiple functions simultaneously: it directs cold air flow, distributes air uniformly, prevents air leakage, and structurally supports the tray assembly. This multi-functionality reduces the need for additional separate components, thereby limiting the increase in device complexity.
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 significantly reduces ice making time by ensuring uniform cold air distribution, allowing for faster and more consistent ice production.
Implementation Method 1
a cold air guide configured to guide cold air entering the ice making compartment through the cold air inlet toward the ice making tray
Implementation Method 2
an ice making tray provided at the ice making device and configured to receive liquid be frozen into ice
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A refrigerator, which includes an ice making compartment, an ice making device arranged in the ice making compartment, and an ice making tray provided at the ice making device and configured to receive and retain water to be frozen to make ice. The refrigerator also includes a cold air inlet provided at the ice making compartment and configured to allow cold air to be introduced into the cold air compartment, and a cold air guide configured to guide cold air from the cold air inlet toward the ice making tray.