Refrigerator Door Ice Maker Using Guided Cold Air
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Solution Overview
Problem
Conventional refrigerators require users to bend to access ice makers, which are often inconvenient, especially for short individuals, and rearranging the ice maker to address this issue increases manufacturing costs and complexity.
Innovation Solution
A refrigerator design featuring an ice making compartment integrated into the refrigerating compartment door, utilizing a cold air guiding device to direct cold air from a heat exchanger to the ice making compartment, allowing for flexible placement and easy access without altering the refrigerator's capacity or freezing compartment position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the ice maker is arranged in the freezing compartment, then the ice making function is provided, but the user must bend to access it which is inconvenient especially for short individuals
Solution Approach 1:
The ice maker is relocated from the vertical dimension (freezing compartment at bottom) to the door dimension (refrigerating compartment door), changing the spatial arrangement to provide easier access without bending while maintaining functional integration
2Ease of operation
If the ice maker is arranged outside the freezing compartment, then ice access is improved, but manufacturing costs and complexity increase due to additional ice-making heat exchanger installation
Solution Approach 1:
The freezing compartment heat exchanger serves dual functions: cooling the freezing compartment and providing cold air to the ice maker in the refrigerating compartment door, eliminating the need for a separate ice-making heat exchanger and reducing manufacturing complexity
Solution Approach 2:
A cold air guiding device acts as an intermediary to transport cold air from the freezing compartment heat exchanger to the ice maker in the refrigerating compartment door, enabling functional connection without direct physical integration
3Ease of operation
If the freezing compartment is arranged over the refrigerating compartment, then ice access is improved, but it is difficult for short individuals or children to take ice out
Solution Approach 1:
The ice maker is moved from the vertical stacking dimension to the door dimension, allowing it to be positioned at an ergonomically accessible height in the refrigerating compartment door while maintaining the conventional freezing compartment below arrangement
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
Enables convenient ice access without altering the refrigerator's structure or increasing costs, while maintaining efficient temperature control and preventing frosting in the refrigerating compartment.
Implementation Method 1
a cold air guiding device which guides the cold air generated by the heat exchanger to the ice making compartment
Implementation Method 2
the refrigerator includes a refrigerant system which repeatedly performs a refrigerant cycle of compression-condensation-expansion-evaporation
Data Source
AI summary
A refrigerator is disclosed which enables the user to easily take ice out of an ice maker without causing a variation in the capacity of the refrigerator or a limitation on the position of a freezing compartment. The refrigerator includes a refrigerator body which includes a freezing compartment and a refrigerating compartment, an ice making compartment which is arranged in the refrigerating compartment, to make ice, a heat exchanger which generates cold air for freezing food stored in the freezing compartment, and a cold air guiding device which guides the cold air generated by the heat exchanger to the ice making compartment, to enable the ice making compartment to make ice.


