Automated Inner Casing Identification for Cooling Apparatus Assembly
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Solution Overview
Problem
The manufacturing of refrigerators and freezers is complex and time-consuming, leading to increased costs due to the manual assembly of components and the need for precise placement of cooling system components within the compartment.
Innovation Solution
A method involving automatic identification of the inner casing model using a detecting device, such as a QR code reader, and subsequent robotic connection of components based on the identified model, reducing human intervention and simplifying the assembly process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual assembly methods are used to fix components to the compartment, then flexibility in handling different component types is maintained, but assembly time and operational complexity increase significantly
Solution Approach 1:
The patent replaces manual mechanical assembly operations with an automated system that uses detecting devices (optical or RFID scanners) to identify component types and positions, then automatically guides or executes the fixation process. This substitution reduces assembly time while maintaining flexibility through programmable control logic that adapts to different component configurations.
Solution Approach 2:
The system enables components to effectively guide their own assembly by incorporating identifying features (codes, RFID tags) that allow the detecting device to automatically recognize component type and determine optimal fixation positions without human intervention. The system serves itself by using the components' inherent identification capabilities to drive the assembly process.
2Reliability
If multiple connecting elements and tapes are used to fix objects to the compartment, then secure fixation is achieved, but the assembling process becomes complex and time-consuming
Solution Approach 1:
The detecting device provides feedback about component type, position, and orientation to the control system, which then determines the appropriate fixation method and parameters. This closed-loop feedback mechanism ensures reliable fixation while simplifying the process by eliminating the need for operators to manually evaluate and select from multiple connecting element options.
Solution Approach 2:
The system changes the parameters of the fixation process dynamically based on detected component characteristics. Different component types trigger different fixation parameters (force, position, method), allowing secure fixation of diverse components through a unified automated system rather than requiring multiple manual procedures for different component types.
3Productivity
If automated identification and connection systems are implemented, then assembly time and complexity are reduced, but initial device complexity and investment increase
Solution Approach 1:
The detecting device and control system are designed to be universal, handling multiple component types and identification methods (optical codes, RFID tags) through a single integrated platform. This multi-functionality reduces the need for separate specialized equipment for different assembly tasks, thereby limiting the increase in overall device complexity while maintaining high productivity.
Solution Approach 2:
The patent introduces simple intermediaries such as identification codes or RFID tags on components that mediate between the physical component and the automated system. These intermediaries enable automated recognition without requiring complex sensing of component geometry, simplifying the automation system while achieving high assembly speed through reliable component identification.
Data Source
AI summary
A method for assembling a cooling apparatus having a cabinet which houses an inner casing defining at least one compartment for the storage of products to be cooled and one or more objects configured to be connected to the inner casing. The method includes: providing the inner casing; automatically univocally identifying the model of the inner casing among various known inner casing models by using a detecting device and performing a step of connecting the one or more objects to the inner casing based on the model of inner casing identified in the identifying step.