Ice Maker Airflow Bypass Layout for Frost-Free Freezer Cooling
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Solution Overview
Problem
In refrigerators with an automatic ice maker in the freezing compartment, cold air supply can be obstructed, leading to ineffective ice making performance, frost formation, and temperature distribution issues due to stagnant air.
Innovation Solution
A refrigerator design featuring an ice maker assembly with a front cover and heat insulating material to shield the ice maker, a distribution duct for guiding cold air, and discharge ports to ensure uniform air circulation and prevent frost, allowing cold air to bypass the ice maker and be directed towards the front of the compartment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the ice maker is provided in front of the cold air discharge port, then the ice making performance is improved, but the cold air circulation is obstructed and frost is generated
Solution Approach 1:
A guide partition is introduced as an intermediary component between the cold air discharge port and the ice maker. The guide partition directs cold air to flow along its surface and be discharged through the front cover, preventing direct contact between cold air and the front cover while ensuring adequate cooling of the ice maker. This mediator resolves the conflict between improving ice making performance and preventing frost formation.
2Object-affected harmful factors
If the cold air discharge port is covered by the ice maker, then the ice maker is shielded, but cold air cannot be effectively supplied to the storage space
Solution Approach 1:
The solution redirects cold air flow from a direct frontward path to a three-dimensional circulation pattern. Cold air is discharged through the cold air discharge port, flows along the guide partition surface, and is discharged through the front cover to circulate throughout the storage space. This dimensional change in air flow path ensures both shielding and effective cold air supply.
3Shape
If the front cover is exposed when the door is opened, then the aesthetic appearance is maintained, but cold air passes through to the front surface causing condensation
Solution Approach 1:
The guide partition serves as a thermal and flow mediator between the cold air discharge port and the front cover. It channels cold air along its surface and directs it through the front cover for circulation, preventing cold air from directly contacting and cooling the front cover surface. This eliminates the temperature differential that causes condensation while preserving the aesthetic appearance of the exposed front cover.
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 design enhances ice making performance, maintains uniform temperature distribution, and prevents frost and condensation in the freezing compartment by ensuring effective cold air circulation and distribution.
Implementation Method 1
a heat insulating material provided on a rear surface of the front cover to block cold air passing through the ice maker from being delivered to a front surface of the front cover
Implementation Method 2
cold air may be smoothly supplied to a plurality of ice makers and a storage space provided in a freezing compartment
Data Source
AI summary
A refrigerator includes a cabinet defining a storage space, a door configured to open and close at least a portion of the storage space, and an ice maker assembly provided in the storage space. The ice maker assembly includes an ice maker provided forward of a cold air discharge port that is provided at a rear portion of the storage space, where the cold air discharge port is configured to deliver cold air, a front cover that covers a front side of the ice maker and that is configured to be exposed to an outside of the cabinet based on the door being opened, and a heat insulating material provided at a rear surface of the front cover and configured to at least partially block the cold air passing through the ice maker from being delivered past a front surface of the front cover.