Metal Control Panel Structure for Theft-Resistant Laundry Machines
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Solution Overview
Problem
Commercial clothes treating apparatuses face issues with the vulnerability of plastic control panels, which are prone to damage and theft, and lack sufficient durability due to their design and material, especially in unmanned settings where coin boxes are frequently targeted.
Innovation Solution
A clothes treating apparatus with a metal control panel and separate installation members for mounting components, such as a payment unit, display unit, and manipulation unit, enhancing rigidity and security by using steel for the control panel and synthetic resin for installation members, along with locking mechanisms for added protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a plastic control panel is used, then the manufacturing cost is low and ease of manufacture is improved, but the rigidity and durability are insufficient
Solution Approach 1:
The control panel uses a composite structure combining metal (steel sheet) for the main body to provide rigidity and durability, with plastic components (bosses, installation members) integrated for mounting functions. This composite approach resolves the contradiction by leveraging the strength of metal while incorporating the ease of manufacturing and cost-effectiveness of plastic for specific components.
2Reliability
If a plastic control panel is used, then the manufacturing cost is low, but the reliability and security against theft are worsened
Solution Approach 1:
The control panel employs a composite structure with a metal main body providing enhanced security and reliability against theft and damage, while plastic components maintain ease of manufacture and cost-effectiveness for mounting features. The metal construction significantly improves security compared to all-plastic designs.
3Strength
If the control panel is made of metal, then the rigidity and durability are improved, but the weight and manufacturing complexity increase
Solution Approach 1:
The control panel applies local quality by using metal (steel sheet) for the main body where rigidity and durability are most needed, while using lighter plastic materials for bosses and installation members where structural strength is less critical. This localized material selection reduces overall weight while maintaining necessary rigidity.
4Duration of action of stationary object
If the control panel is made of metal, then the durability is improved, but the manufacturing process complexity increases
Solution Approach 1:
The control panel uses a composite structure where the metal main body provides enhanced durability, while plastic components (bosses, installation members) are integrated to simplify mounting operations. The combination allows for standardized manufacturing processes for each material type, reducing overall manufacturing complexity despite the multi-material construction.
5Device complexity
If bosses are formed directly on the metal control panel, then the structure is simplified, but the rigidity of the metal panel deteriorates
Solution Approach 1:
The control panel structure is segmented by separating the mounting features (bosses, installation members) made of plastic from the metal main body. This segmentation allows the metal panel to maintain its rigidity without direct boss formations, while the plastic components provide the necessary mounting functions. The separation resolves the contradiction between structural simplification and rigidity maintenance.
Data Source
AI summary
A clothes treating apparatus with a metal control panel includes a cabinet, a control panel formed of a metal and mounted to one side of a front surface of the cabinet, one or a plurality of installation members mounted at a rear surface of the control panel and disposed within the metal control panel, and at least one of a payment unit, a display unit and a manipulation unit disposed within the control panel, wherein the at least one of the payment unit, the display unit and the manipulation unit is fixed to the installation member.