Coffee Machine Self-Service Descaling Based on Usage Pattern Detection
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Solution Overview
Problem
Existing coffee machines require manual initiation of descaling processes, which can be inconvenient for users as they need to select a time window when the machine is not in use, restricting access to coffee.
Innovation Solution
An intelligent coffee machine with a storage container for cleaning products and a control device that records and evaluates usage behavior to automatically initiate cleaning processes during non-usage times, adapting parameters like process duration and solution concentration based on usage patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual initiation of descaling process is required, then user can control when cleaning occurs, but user convenience deteriorates as they must select time windows and monitor the process
Solution Approach 1:
The coffee machine automatically monitors its own usage, determines when descaling is needed based on internal sensors and usage patterns, and initiates the descaling process without user intervention. The system self-manages the entire cleaning workflow including timing, duration, and process parameters.
Solution Approach 2:
The system continuously monitors usage data, limescale accumulation indicators, and operational parameters to dynamically determine when descaling should occur. This feedback loop allows the machine to adapt cleaning schedules based on actual usage patterns and cleaning needs.
2Productivity
If descaling process is extended to increase cleaning efficiency, then more limescale can be removed with same solution, but machine availability deteriorates during the longer cleaning period
Solution Approach 1:
The descaling process duration and parameters are dynamically adjusted based on real-time monitoring of limescale accumulation, usage patterns, and cleaning progress. The system can extend or shorten cleaning cycles adaptively rather than using fixed durations.
Solution Approach 2:
The system performs preliminary assessments of limescale levels and usage patterns before initiating descaling, allowing it to pre-determine optimal process parameters including duration, solution concentration, and timing to minimize disruption while maximizing cleaning effectiveness.
3Adaptability or versatility
If cleaning/care process parameters are fixed, then process control is simple, but adaptability to usage behavior deteriorates
Solution Approach 1:
The system dynamically changes multiple process parameters including cleaning duration, solution concentration, pump flow rates, and heating temperatures based on monitored usage behavior and cleaning needs. These parameters are adjusted in real-time to optimize cleaning effectiveness for different usage scenarios.
Solution Approach 2:
All cleaning process parameters are made dynamic rather than fixed, allowing the system to adapt to varying usage patterns, limescale accumulation rates, and operational conditions. The system continuously adjusts parameters based on feedback from sensors and usage monitoring.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables self-maintenance of the coffee machine outside of usual usage times, reducing the need for manual intervention and ensuring continuous functionality by optimizing cleaning processes, thus extending the machine's lifespan and improving user convenience.
Implementation Method 1
a heating device (6) for heating the brewing chamber (30) and the beverage dispensing lines (35)
Implementation Method 2
a pump (5) for pumping water from the water tank (20) through the brewing chamber (30) and the beverage dispensing lines (35)
Implementation Method 3
a descaling agent, such as a fluid or descaling tablets, is placed in the water tank and pumped through all water pipes, whereby the acidic solution dissolves the limescale deposited in the pipes
Data Source
Figure 1~2
AI summary
The present invention relates to a coffee machine (1) comprising: - a reservoir (2) for a cleaning/maintenance agent (3), - a control unit (4) for controlling a cleaning/maintenance process, - a data acquisition/evaluation unit (5) for recording and evaluating the operation of the coffee machine (1), wherein the data acquisition/evaluation unit (5) is designed to record and evaluate the usage patterns of the coffee machine (1) and to adapt and automatically activate the cleaning/maintenance process accordingly. This allows the cleaning/maintenance process to be adapted to individual user behavior, thereby increasing user convenience.