Beverage Machine Power Management for Adaptive Auto Shut-Down

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Solution Overview

Problem

Existing beverage preparation devices with electric heaters consume significant energy even when not in use, leading to inefficiency and environmental waste, as they often remain switched on for extended periods after the last beverage preparation due to timer-based shut-off systems that do not adapt to user needs.

Innovation Solution

A user-programmable power management system that allows automatic shut-down of beverage preparation devices after the last beverage batch is prepared, with customizable shut-down conditions such as number of batches, maintenance needs, or ingredient shortages, and optional timer-based modes for added flexibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the device remains switched on after beverage preparation, then the user can avoid lengthy start-up periods for consecutive beverages, but significant energy is consumed unnecessarily

Engineering Contradiction:
Improveconsecutive beverage preparation speedVSAvoidenergy consumption
Core Design Contradiction:
ProductivityVSLoss of energy

Solution Approach 1:

The system dynamically adjusts the device state based on usage patterns. It transitions from a static on/off state to a dynamic state that includes standby mode, automatically adapting to user behavior by learning when consecutive beverages are prepared and when the device should remain active versus when it should shut down to save energy

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system incorporates feedback mechanisms through sensors that detect beverage preparation status, capsule presence, and usage patterns. This feedback enables the control unit to make intelligent decisions about when to maintain power for quick consecutive preparations and when to shut down, creating a closed-loop system that optimizes energy consumption based on actual usage

Inventive Principle:
Principle #23Feedback

2Loss of energy

If a timer-based automatic shut-off system is used, then energy consumption is reduced, but the device cannot adapt to user needs and may shut down during beverage preparation

Engineering Contradiction:
Improveenergy consumptionVSAvoidadaptability to user needs
Core Design Contradiction:
Loss of energyVSAdaptability or versatility

Solution Approach 1:

The system replaces static timer-based control with dynamic, condition-based control. Multiple sensors continuously monitor device state, capsule presence, and beverage preparation status, allowing the system to adapt its shutdown behavior in real-time based on actual conditions rather than following a predetermined timer schedule

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system performs self-adjustment by automatically detecting usage patterns and learning when to remain active for consecutive preparations. The control unit autonomously decides when to shut down or remain active without requiring user programming, making the system adaptable to individual user behaviors while minimizing energy consumption

Inventive Principle:
Principle #25Self-service

3Loss of energy

If the device shuts down automatically after each beverage, then energy is saved, but the user experiences lengthy start-up periods for the next beverage

Engineering Contradiction:
Improveenergy consumptionVSAvoidstart-up time
Core Design Contradiction:
Loss of energyVSLoss of time

Solution Approach 1:

The system implements dynamic power management that adjusts shutdown timing based on detected usage patterns. When sensors indicate frequent consecutive beverage preparations, the system extends active time or enters a low-power standby state rather than complete shutdown, dynamically balancing energy savings with user convenience based on actual behavior

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system uses periodic sensing and evaluation of usage patterns to determine optimal shutdown timing. Rather than fixed periodic shutdowns, the control unit continuously evaluates sensor data at regular intervals to decide whether to shut down or remain active, creating an adaptive periodic control mechanism

Inventive Principle:
Principle #19Periodic action

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

This solution significantly reduces energy consumption by allowing precise control over when the device shuts down, aligning with user behavior and preferences, thereby minimizing unnecessary energy usage and enhancing environmental sustainability.

Implementation Method 1

such devices, especially those having electric heaters for heating up the liquid of the beverage

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Data Source

PatentEP2252182B1Energy saving manager for beverage preparation devices
Publication Date: 2012.06.20 NESTEC SA
  • EP2252182B1 patent drawingFigure 1~2

AI summary

An electrically powered device for preparing beverages, in particular hot beverages, comprises: means for conditioning a liquid to prepare one or more batches of beverage after such a beverage preparation device has been switched on; and a power management arrangement for shutting down such beverage preparation device automatically.