Home Appliance Door Valve Cover to Prevent Clogging
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Solution Overview
Problem
Home appliance doors, particularly those of chillers, face issues with usability and hygiene due to sharp edges and clogging of valves by debris and condensed water, which compromise user safety and efficiency.
Innovation Solution
A home appliance door design featuring an inner and outer wall section with a valve connected by a cover element that is separate and fixed, covering the inner wall section perpendicularly to prevent clogging and enhance safety, and incorporating a fixing unit for easy assembly and air flow management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the valve is exposed without a cover element, then the structure is simple and manufacturing is easy, but the valve can be clogged by debris and condensed water, reducing hygiene and reliability
Solution Approach 1:
A cover element is introduced as an intermediary component between the valve and the environment. This cover element prevents debris and condensed water from clogging the valve while maintaining airflow functionality, thus improving reliability without fundamentally changing the valve structure itself.
Solution Approach 2:
The door structure is segmented into distinct functional components: the inner wall section, the valve, and the cover element. This segmentation allows the cover element to be designed and manufactured separately and then assembled to the valve, improving manufacturability while providing protective functionality.
2Object-affected harmful factors
If sharp edges of the inner wall section and valve are exposed, then manufacturing is easier, but user safety is compromised
Solution Approach 1:
The cover element serves as a protective intermediary that covers sharp edges of the inner wall section and valve. This eliminates direct contact between users and sharp edges, improving safety while maintaining the original manufacturing simplicity of the door structure.
3Ease of manufacture
If the cover element is integrated with the valve, then the structure is simpler, but the cover element cannot be easily replaced if damaged
Solution Approach 1:
The cover element is designed as a separate, modular component that can be independently manufactured and assembled to the valve using standard fastening methods. This segmentation enables easy replacement of the cover element if damaged, while the assembly process remains simple through standardized connection mechanisms.
4Reliability
If the cover element covers the inner wall section perpendicularly, then it effectively prevents clogging, but it increases the overall dimension of the door
Solution Approach 1:
The cover element is designed to provide just enough coverage over the valve and inner wall section to prevent clogging by debris and condensed water. The coverage is optimized to be sufficient for protection while minimizing the extension beyond the valve boundaries, thus limiting the increase in overall door dimension.
Data Source
AI summary
For the purpose of improving a usability, a home appliance door, in particular a home chiller appliance door, is proposed: The home appliance door has an inner wall section; an outer wall section; a valve connecting the inner wall section and the outer wall section; and a cover element which is separate from and fixed to the valve and at least partly covers the inner wall section.