Refrigerator door
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Solution Overview
Problem
Existing refrigerator doors require complex installation structures and are difficult to change colors or designs to match changing environments, often necessitating professional assistance and increasing thickness.
Innovation Solution
A refrigerator door with a color module using LEDs, supported by a door frame with protruding ends and support parts, incorporating a tempered glass and LED board, allowing color change through user control without replacing the front panel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a separate decorative plate is attached to the outer surface of the refrigerator door, then the color and design can be changed, but the thickness of the refrigerator door increases
Solution Approach 1:
The color module is nested within a groove formed in the door frame, with only the light-emitting surface protruding slightly. This nesting approach allows the color module to be integrated without significantly increasing the overall door thickness, while still providing external color change functionality.
Solution Approach 2:
Instead of adding thickness in the front-back direction, the solution uses the lateral dimension by forming a groove in the door frame and positioning the color module within it. This dimensional approach maintains a sleek profile while accommodating the color-changing component.
2Shape
If a decorative panel is precisely installed to remove gaps, then the appearance is improved, but the installation structure becomes complicated and installation work becomes difficult
Solution Approach 1:
The color module is integrated with the door frame through a groove structure, merging the decorative function with the structural framework. This integration eliminates the need for separate precise installation procedures while maintaining a gapless appearance.
Solution Approach 2:
The groove structure in the door frame automatically positions and secures the color module, making the installation self-aligning and eliminating the need for complex adjustment procedures to achieve a gapless fit.
3Stability of the object's composition
If coupling parts are used to attach the decorative plate, then the plate can be fixed, but the coupling parts may be damaged during attaching and detaching work
Solution Approach 1:
The mechanical coupling system is replaced with a groove-based retention system. The color module is held in place by the groove structure and a small protrusion, eliminating complex coupling parts that could be damaged during installation and removal operations.
4Adaptability or versatility
If the color module is mounted on the front surface of the door frame, then color change is enabled, but light leakage may occur
Solution Approach 1:
A transparent protective plate is introduced as an intermediary between the color module and the external environment. This plate allows light to pass through while preventing light leakage from the sides, and it is secured by partitioning protrusions that act as intermediaries to hold it in place.
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
Facilitates easy color change, minimizes thickness, and maintains stable installation, preventing light leakage and bending deformations, while integrating the color module with the door surface.
Implementation Method 1
a color module having multiple LEDs on a front surface of a door frame
Data Source
AI summary
A refrigerator door includes a color module which displays various colors by using LEDs. Accordingly, when a consumer desires to change the color of the refrigerator door, the color of the refrigerator door can be changed to color desired by the consumer.