refrigerator
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Solution Overview
Problem
Refrigerators lack an efficient configuration for integrating an ice-making chamber, storage space, and dispenser, which hinders optimal use of space and user convenience, particularly in terms of visibility and temperature control.
Innovation Solution
A refrigerator design featuring a first door with an integrated ice-making chamber and door storage portion, where the ice-making chamber is recessed from the rear surface and the door storage portion is on the front, with a second door that rotates to open and close both, allowing for independent temperature control and visibility of the storage space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If an ice-making chamber and door storage portion are integrated in a single door, then space utilization is improved, but temperature control and cold air supply become more complex
Solution Approach 1:
The door is divided into two independent functional zones: the ice-making chamber and the door storage portion. Each zone has its own cold air supply passage, allowing independent temperature control. The segmentation enables both functions to coexist in one door while maintaining separate thermal environments, resolving the contradiction between space utilization and temperature control complexity.
Solution Approach 2:
Separate cold air supply passages act as intermediaries between the refrigerating compartment and the two functional zones. These passages deliver cold air independently to each zone without direct thermal interaction, enabling efficient temperature control while maintaining compact integration. The intermediary passages prevent thermal interference between the ice-making chamber and door storage portion.
2Ease of operation
If a second door is added to provide selective access to the door storage portion, then user convenience and visibility are improved, but device complexity increases
Solution Approach 1:
The door assembly is segmented into a first door (containing the ice-making chamber) and a second door (providing access to the door storage portion). This segmentation allows selective access to different functional zones, improving user convenience by enabling access to stored items without exposing the ice-making chamber. The modular door structure manages complexity through clear functional separation.
Solution Approach 2:
The second door is nested within or attached to the first door structure, creating a door-within-a-door configuration. The second door rotates on the first door, providing selective access to the door storage portion while maintaining the overall door assembly as a integrated unit. This nesting approach improves ease of operation without significantly increasing external complexity.
3Volume of moving object
If the ice-making chamber is recessed from the rear surface and door storage portion is on the front, then space efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
The ice-making chamber is recessed into the depth of the first door from the rear surface, while the door storage portion protrudes from the front surface. This three-dimensional arrangement optimizes space utilization by utilizing the door's depth dimension. The recessed and protruding features are integrated into the door's overall structure, managing manufacturing complexity through unified design.
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 configuration efficiently utilizes space by allowing simultaneous use of the ice-making chamber, storage, and dispenser, enhancing user convenience by maintaining a neat appearance and providing selective visibility of stored items while ensuring efficient cold air supply to both compartments.
Implementation Method 1
a second door provided in front of the first door and configured to rotate in the same direction as the first door so as to open and close at least a portion of a front surface of the first door
Implementation Method 2
a supply passage allowing the refrigerating compartment to communicate with the door storage portion and the ice-making chamber, wherein the cold air of the refrigerating compartment is supplied to the door storage portion and the ice-making chamber
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Provided is a refrigerator. The refrigerator includes a cabinet in which a refrigerating compartment and a freezing compartment, each of which has an opened front surface, are defined, and a door configured to open and close the refrigerating compartment. The refrigerating compartment door includes a first door rotatably mounted on the cabinet, and a second door provided in front of the first door and configured to rotate in the same direction as the first door so as to open and close at least a portion of a front surface of the first door. The first door includes an ice-making chamber which is defined in the first door and in which an ice maker is accommodated, and a door storage portion provided in front of the ice-making chamber and opened and closed by the second door to store food.