Refrigeration appliance
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Solution Overview
Problem
The manufacturing and maintenance of refrigeration appliances are complicated due to the complex assembly and positioning of components within the working chamber, which increases time and costs, and poses challenges in handling and managing numerous components.
Innovation Solution
A refrigeration appliance with a holding device that can be removably connected to the chamber wall to temporarily hold components of the refrigerating circuit and electrical cables, featuring a sliding mechanism and snap-in device for easy assembly and disassembly, allowing external handling and quick disconnection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple components are assembled inside the working chamber, then the refrigeration system functions properly, but the assembly complexity and time increase
Solution Approach 1:
The holding device is divided into a support portion (fixed to chamber wall) and a holding portion (movable relative to support), allowing components to be held separately during assembly and then released for final positioning. This segmentation reduces assembly complexity by enabling staged component management.
Solution Approach 2:
The holding device acts as an intermediary tool between the chamber wall and the refrigeration components. It temporarily holds components in position during assembly, facilitating proper component placement without requiring complex fixed positioning structures, thus reducing overall assembly complexity.
2Reliability
If multiple components are assembled inside the working chamber, then the refrigeration system functions properly, but the assembly time increases
Solution Approach 1:
The holding device enables preliminary positioning of components during assembly. Components can be temporarily held in correct positions using the holding portion, ensuring proper alignment before final assembly steps, thereby reducing total assembly time while maintaining system functionality.
Solution Approach 2:
The holding portion is configured to be movable relative to the support portion, allowing dynamic adjustment during assembly operations. This movability enables quick positioning and release of components, reducing assembly time while ensuring proper component placement for system functionality.
3Reliability
If components are fixed inside the working chamber, then the refrigeration system operates reliably, but maintenance operations become difficult
Solution Approach 1:
The holding device is segmented into fixed support portion and movable holding portion, allowing components to be securely held during operation (maintaining reliability) but easily released during maintenance. The movable holding portion can be disengaged to provide access to components for maintenance operations.
Solution Approach 2:
The holding portion's movability relative to the support portion enables a transition between secured (for reliable operation) and accessible (for maintenance) states. This dynamic capability allows components to be firmly held during operation but easily accessed during maintenance, resolving the contradiction between reliability and ease of repair.
Data Source
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AI summary
A refrigeration appliance comprises at least one compartment for the storage of products to be cooled and an outer cabinet (2) enclosing said at least one compartment and a refrigeration system (100; 210) configured to cool said at least one compartment and comprising a closed refrigerating circuit (102; 202) filled with a refrigerant. A working chamber (20) is apt to receive at least one component (102a, 114) of the refrigerating circuit (102; 202) and/or at least one electrical cable (116; 216) for the functioning of the appliance, wherein at least one chamber wall (30A, 30B) at least partially delimits the working chamber (20). The appliance (1; 201) comprises a holding device (50A, 50B) apt to be removably connected to said at least one chamber wall (30A, 30B) and apt to at least temporarily hold said at least one component (102a, 114) of said refrigerating circuit (102; 202) and/or said at least one electrical cable (116; 216).