Pot And Pan Washer Control for Extended Cycles and Targeted Alerts
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Solution Overview
Problem
Conventional control systems for continuous motion pot and pan washing machines limit washing cycles to predetermined run-times, requiring frequent draining and refilling, and lack efficient methods for maintaining optimal operational conditions such as temperature and chemical levels, leading to incomplete cleaning and resource wastage, especially towards the end of cycles. Additionally, existing warning systems are intrusive and not tailored to minimize alerts to unintended recipients.
Innovation Solution
A microprocessor-based control system that includes a punitive wash action lockout mechanism to enforce compliance with operational conditions without resetting the cycle, an extended wash cycle to allow continued operation beyond predetermined times, and a condition warning system that provides alerts outside the operator's direct line of sight to minimize distractions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a predetermined run-time limit is imposed on washing cycles, then the cleansing fluid soil level is controlled to maintain cleaning efficiency, but the washing cycle must be interrupted requiring draining and refilling, reducing productivity
Solution Approach 1:
The control system continuously monitors operational conditions including fluid temperature, chemical concentration, and soil level throughout the washing cycle. This feedback mechanism allows the system to detect when conditions deviate from optimal ranges and trigger appropriate responses such as extending the cycle or alerting the operator, thereby maintaining cleaning efficiency without arbitrary time limits.
Solution Approach 2:
The washing cycle duration is made dynamic rather than fixed. The control system can extend the cycle beyond the predetermined run-time if monitoring indicates that optimal cleaning conditions have not yet been achieved. This dynamic adjustment resolves the contradiction by allowing the cycle to continue as long as necessary while still maintaining quality control through active monitoring.
2Reliability
If the wash pump is locked out due to non-compliance with operational conditions, then safety and quality are enforced, but the washing cycle is interrupted requiring draining and refilling, increasing loss of time
Solution Approach 1:
The control system performs preliminary monitoring and assessment of operational conditions throughout the washing cycle. When non-compliance is detected, the system first issues a warning alert to the operator, providing an opportunity to correct the condition before the pump is locked out. This preliminary warning mechanism reduces the likelihood of complete cycle interruption by enabling corrective action in advance.
Solution Approach 2:
The system automatically monitors and assesses its own operational conditions using integrated sensors and control logic. When conditions are non-compliant, the system can extend the cycle automatically or lock out the pump based on the severity and persistence of the condition, enabling self-regulation without requiring external intervention for every minor deviation, thus reducing unnecessary cycle interruptions.
3Reliability
If warning alerts are provided to the operator, then operational conditions are monitored and enforced, but the operator experiences distractions from intrusive alerts
Solution Approach 1:
The warning system provides localized and targeted alerts rather than uniform notifications for all conditions. The control system assesses the severity and specificity of each non-compliance condition and generates appropriate warning levels, directing attention only to relevant issues. This localized warning approach maintains reliable monitoring while reducing unnecessary operator distraction by eliminating generic or low-priority alerts.
Data Source
AI summary
A condition warning system for an apparatus such as a pot and pan washing machine, a control system and control methods for a pot and pan washing machine are provided. The condition warning system includes a control system that monitors operational, safety or compliance parameters of an apparatus, and a light that illuminates a location below (or above) an operator's direct line of sight, and which is outside of the operator's direct line of sight. The control system and control methods include a punitive wash action lockout, an extended wash cycle time, and a deep clean wash cycle.