Home appliance
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Solution Overview
Problem
Existing refrigerators require complete removal and replacement of decoration panels to change the outer appearance, leading to potential sagging and damage due to added components and repeated impacts.
Innovation Solution
A detachable panel assembly for refrigerators with a load-supporting structure using a back cover, including a metal back cover and brackets to securely mount the panel, allowing color and brightness changes without disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a reflective layer and transparent panel are added to enable color changing, then the outer appearance customization is improved, but the door panel becomes heavy and may sag
Solution Approach 1:
The door assembly is segmented into the door body and a separate panel assembly. The panel assembly (containing transparent panel, reflective layer, and lighting device) can be independently mounted and removed from the door body, allowing customization without permanently increasing door weight.
Solution Approach 2:
The support structure extends in the depth dimension (backward from the front surface) to provide load support. The cover support portion protrudes backward to engage with the door body, creating a three-dimensional support architecture that distributes weight without adding front-surface bulk.
2Adaptability or versatility
If components are added to enable color changing, then the adaptability is improved, but the door panel may be damaged by repeated impact
Solution Approach 1:
The panel assembly is made detachable from the door body through the cover support portion mechanism. This allows the fragile panel assembly to be removed when not in use or when replacement is needed, preventing damage from repeated impacts while maintaining customization capability.
Solution Approach 2:
The cover support portion and its engagement structure with the door body provide protective support before impact occurs. The bracket protrusion and coupling member create a buffered connection that absorbs and distributes impact forces, protecting the transparent panel and reflective layer from direct damage.
3Adaptability or versatility
If the entire decoration panel is removed and replaced to change appearance, then the outer appearance is updated, but the used panel can no longer be used
Solution Approach 1:
The panel assembly is designed as a detachable unit that can be easily removed and replaced. The cover support portion allows quick detachment without damaging the panel assembly, enabling users to swap between different panel assemblies and reuse them in other locations or applications.
Solution Approach 2:
The detachable design enables recovery and reuse of panel assemblies. When one panel assembly is replaced, the old one can be recovered and installed in another location, preventing waste and allowing multiple uses of the same panel assembly throughout its lifespan.
4Stability of the object's composition
If a metal back cover with support structure is added, then the panel mounting stability is improved, but the device complexity increases
Solution Approach 1:
The back cover, cover support portion, and bracket structure are merged into an integrated assembly. The cover support portion is formed as part of the back cover structure, and the bracket protrusion integrates the support and coupling functions, reducing the number of separate components while maintaining mounting stability.
Solution Approach 2:
The cover support portion serves multiple functions: it provides structural support for the transparent panel, creates the mounting interface with the door body, and enables detachable connection. This multi-functionality reduces the need for additional separate components, simplifying the overall structure while ensuring stable mounting.
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 easy customization of the refrigerator's outer appearance by changing colors and brightness without sagging or damage, ensuring stable and durable panel mounting.
Implementation Method 1
a lighting device configured to allow the panel to shine with a set color
Implementation Method 2
a cover support portion of which at least a portion extends backward to be supported on the door body is disposed on a lower end of the back cover
Data Source
AI summary
An appliance includes a cabinet in which a storage space is defined and a door configured to open and close the storage space. The door includes a door body and a panel assembly mounted on the door body. The panel assembly includes a panel that defines a front surface of the door and is configured to transmit light, a lighting device configured to allow the panel to shine with a set color, and a back cover configured to define a rear surface of the panel assembly. A cover support portion of which at least a portion extends backward to be supported on the door body is disposed on a lower end of the back cover.