Steel Refrigerator Door Interface With Hidden Touch and Display
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Solution Overview
Problem
Refrigerator doors made of steel materials face challenges in integrating user-friendly control interfaces and aesthetically pleasing designs, particularly in maintaining the appearance and functionality of the front panel while accommodating display and touch sensor units.
Innovation Solution
The use of a steel front panel with integrated display and touch sensor units, where the display unit and input unit are formed as part of the panel itself, using through holes and etching processes to maintain a clean appearance, and employing a touch sensor assembly and display assembly that are securely attached to the panel without being exposed, ensuring the panel's strength and aesthetic appeal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If display and touch sensor units are mounted on the steel front panel, then user-friendly control interface is achieved, but the appearance and aesthetic quality of the panel deteriorates due to exposed electronic components
Solution Approach 1:
The display unit and touch sensor unit are nested within recesses formed in the steel front panel. The front panel is designed with first and second recesses that accommodate these electronic components, allowing them to be integrated into the panel structure rather than mounted on the surface. This nesting approach maintains the aesthetic quality of the panel while providing functional control interfaces.
Solution Approach 2:
The front panel is designed with different local properties: recessed areas for housing electronic components and raised areas for maintaining aesthetic appearance. The recesses are strategically positioned to conceal electronic components while the surrounding panel surface maintains its steel material appearance and design patterns, creating local differentiation between functional and aesthetic zones.
2Ease of manufacture
If through holes are formed in the steel front panel for component integration, then ease of assembly is improved, but manufacturing precision requirements increase due to etching processes
Solution Approach 1:
The recesses and through holes are pre-formed in the steel front panel during the manufacturing process using etching or other forming methods. By preparing these features in advance during panel fabrication, the subsequent assembly of display and touch sensor units becomes simpler, as components can be directly installed into the pre-prepared recesses without requiring complex on-site modifications.
3Device complexity
If electronic components are integrated into the front panel, then device complexity is reduced, but reliability may worsen due to potential exposure and environmental damage
Solution Approach 1:
The display unit and touch sensor unit are nested within recesses in the front panel, which provides physical protection against environmental factors. The recesses act as protective cavities that shield the electronic components from direct exposure to moisture, dust, and physical impacts, thereby maintaining reliability while achieving component integration.
Solution Approach 2:
The recesses in the front panel serve as intermediary structures between the electronic components and the external environment. These recesses provide a protective interface that allows electronic components to be integrated into the panel while maintaining a barrier against environmental damage, thus mediating between the need for integration and the need for protection.
Data Source
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AI summary
A refrigerator door (10) and a manufacturing method of the same are disclosed. The refrigerator door (10) includes a front panel (20) made of a steel material, the front panel (20) forming a front appearance thereof, the front panel (20) being provided at a front thereof with a first through hole (22) and an input unit (18), a door liner (200) forming a rear appearance thereof, an upper cap decoration unit (30) for sealing an upper side of a space defined by the front panel (20) and the door liner (200), a frame (50) attached to an inside of the front panel (20) for defining a space separated from a space defined by the front panel (20), the door liner (200), and the upper cap decoration unit (30), a display assembly (70) provided between the frame (50) and the front panel (20) for emitting light through the first through hole (22), and a touch sensor assembly (120) provided between the frame (50) and the front panel (20), the touch sensor assembly (120) being fixed to a rear of the front panel (20) at a position at which the input unit (18) is mounted.