Methods for implementing cleaning cycles in commercial washing machine appliances
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Solution Overview
Problem
Commercial laundry appliances often suffer from residue buildup due to mineral deposits and undissolved wash additives, leading to unpleasant odors and maintenance challenges, especially in high-use settings where self-clean cycles are frequently neglected due to resource constraints and operational difficulties.
Innovation Solution
A method is introduced to determine self-clean conditions in washing machines, identify daily availability windows based on cost factors, and coordinate self-clean cycles across multiple appliances to ensure efficient, low-cost, and unobtrusive cleaning, utilizing a controller to prompt and initiate these cycles during optimal energy usage times.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If self-clean cycles are run regularly to remove residue buildup, then appliance hygiene is improved, but energy consumption and water usage increase
Solution Approach 1:
The system performs preliminary assessment of self-clean conditions by monitoring residue buildup levels and appliance usage patterns, then schedules clean cycles in advance during optimal times when energy rates are lower and appliance availability permits, rather than running cycles immediately or on fixed schedules
Solution Approach 2:
The self-clean scheduling system dynamically adjusts clean cycle timing based on real-time conditions including energy costs, water availability, appliance usage patterns, and accumulated residue levels, transforming the static fixed-schedule approach into a flexible adaptive system
2Use of energy by moving object
If self-clean cycles are scheduled during off-peak hours to reduce energy costs, then energy efficiency is improved, but cleaning effectiveness may be reduced due to longer wait times
Solution Approach 1:
The system performs preliminary cleaning actions by scheduling and initiating self-clean cycles during off-peak hours when energy costs are lower, preparing the appliance for optimal hygiene conditions during high-demand periods without compromising cleaning thoroughness due to extended duration
3Reliability
If multiple appliances are cleaned simultaneously to maintain hygiene standards, then overall cleanliness is improved, but resource strain and operational complexity increase
Solution Approach 1:
The system merges the scheduling functions of multiple appliances into a centralized coordination system that manages self-clean cycles across the appliance fleet, consolidating resource allocation and timing decisions to reduce individual appliance complexity while maintaining overall cleanliness
Solution Approach 2:
The centralized system performs preliminary coordination of multiple appliance clean cycles by assessing overall resource availability and scheduling appliances sequentially or in staggered groups, preventing resource conflicts before they occur while maintaining hygiene standards across all units
4Reliability
If self-clean cycles are run immediately when needed, then residue removal is maximized, but appliance availability for normal operation is reduced
Solution Approach 1:
The system performs preliminary assessment of residue buildup levels and appliance usage patterns, then schedules self-clean cycles in advance during periods of low demand or off-peak hours, ensuring thorough cleaning occurs before it would interfere with normal operational requirements
Solution Approach 2:
The system dynamically balances cleaning needs against operational demands by continuously monitoring appliance usage patterns and adjusting self-clean scheduling in real-time, ensuring cleaning effectiveness is maintained while minimizing disruption to productivity
Data Source
AI summary
A washing machine appliance or method for operating the same may include determining a self-clean condition exists at one or more washing machine appliances and identifying a daily availability or coordinated arrangement for one or more self-clean cycles. The method may also include prompting a user to initiate the one or more self-clean cycles. The method may further include receiving a cycle-initiation command and initiating the one or more self-clean cycles at the one or more washing machine appliances within the daily availability window or based on the coordinated arrangement.