Beverage or foodstuff preparation system
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Solution Overview
Problem
Beverage or foodstuff preparation systems face issues with power transfer between base units and removable components due to exposure to debris and corrosion, leading to ineffective and potentially damaging electrical connections.
Innovation Solution
The implementation of an inductive power coupling system using magnetic induction for wireless energy transfer between the base unit and removable component, ensuring the electrical circuitry is hermetically sealed and protected from environmental factors, with a start-up mode for safe and efficient energy transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If physical contact terminals are used for power transfer, then electrical connection is established, but the terminals become exposed and damaged or soiled by beverage or foodstuff debris or corrosion
Solution Approach 1:
The patent replaces the mechanical contact-based power transfer system with an inductive power transfer system using electromagnetic fields. The base unit and removable component each have coils that generate magnetic fields to transfer power wirelessly, eliminating exposed physical terminals that are susceptible to debris and corrosion.
Solution Approach 2:
The patent introduces magnetic fields as an intermediary medium to transfer power between the base unit and removable component. The electromagnetic field acts as a mediator that carries energy without requiring direct physical contact between electrical terminals, thus protecting them from environmental harm.
2Reliability
If inductive power transfer is implemented, then electrical circuitry is hermetically sealed and protected from fluid and corrosion, but device complexity increases
Solution Approach 1:
The inductive power coupling system serves multiple functions: it transfers power wirelessly, hermetically seals the electrical circuitry, and enables the removable component to be easily detached and cleaned. This multi-functionality justifies the increased complexity by providing comprehensive protection and operational flexibility.
3Reliability
If inductive power transfer is used, then safety is improved by reducing stray magnetic fields when uncoupled, but power transfer efficiency may be reduced when coupled
Solution Approach 1:
The patent implements dynamic control of the inductive power transfer system, adjusting the electromagnetic field generation based on coupling status. When uncoupled, the system minimizes or shuts off field generation to reduce stray magnetic fields and improve safety. When coupled, the system optimizes field strength and frequency to maximize power transfer efficiency.
Solution Approach 2:
The system uses feedback mechanisms to detect the coupling status between the base unit and removable component. Based on this feedback, the control system adjusts the power transfer parameters dynamically - reducing or stopping power transfer when uncoupled to ensure safety, and optimizing transfer efficiency when properly coupled.
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 provides a robust, safe, and efficient power transfer mechanism that reduces the risk of corrosion and damage, maintaining the sterility of electrical circuitry and allowing precise control of energy delivery to the component processing system.
Implementation Method 1
The power coupling is adapted for inductive power transfer by magnetic induction of electrical energy (i.e. wirelessly) between the base unit and removable component when they are coupled
Data Source
AI summary
A beverage or foodstuff preparation system (2) comprising: a base unit (74); a removable component (76) having a beverage or foodstuff component processing system (4); a power coupling (78) adapted for inductive power transfer of electrical energy between the base unit and the removable component when the removable component (76) is coupled with the base unit (74).