Portion Capsule Identifier for Coffee Machine Compatibility Check
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Solution Overview
Problem
Existing portion capsules for coffee machines are not specifically designed for certain machines, leading to potential safety issues and damage when used inappropriately.
Innovation Solution
A portion capsule with an identifier that allows individualization, preventing unsuitable capsules from being inserted into the coffee machine, using optical, mechanical, or electrical means to ensure compatibility, and incorporating grooves for stability and efficient extraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an identifier system is added to the capsule, then capsule compatibility and safety are improved, but device complexity is worsened
Solution Approach 1:
The patent applies optical property variations on capsule surfaces (different reflectivity, absorption, or color characteristics) as identifiers. This allows the capsule to carry identification information without adding mechanical complexity, resolving the contradiction between reliability improvement and device complexity increase.
Solution Approach 2:
The patent replaces potential mechanical identification systems with optical detection methods. By using surface areas with different optical properties that can be detected by sensors, the system achieves capsule identification and compatibility verification without complex mechanical structures.
2Reliability
If detection system is added to verify identifier, then safety and compatibility control are improved, but manufacturing cost and system complexity are worsened
Solution Approach 1:
The patent employs optical sensors and detection systems that use light interaction with differently optically-proportioned surface areas to identify capsules. This optical detection approach is less complex than mechanical verification systems while maintaining high reliability in compatibility control.
Solution Approach 2:
The detection system reads optical information from the capsule surface without physical contact or complex interaction. The optical properties serve as information carriers that can be detected and verified through non-invasive sensing, reducing the complexity of the verification system.
3Adaptability or versatility
If surface areas with different optical properties are used as identifier, then capsule individualization is improved, but manufacturing precision requirements are worsened
Solution Approach 1:
The patent uses variations in optical properties (color, reflectivity, absorption) on capsule surfaces as identifiers. These can be applied through conventional printing or coating techniques during normal manufacturing processes, achieving identification capability without requiring extreme manufacturing precision.
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
Ensures safe operation by ensuring only compatible capsules are used, enhancing the stability and efficiency of the extraction process while preventing damage to the coffee machine.
Implementation Method 1
the identifier is composed of surface areas having different optical properties, for example reflection
Data Source
AI summary
A method of using a portion capsule for producing a beverage. The method includes providing an apparatus including a barcode reader, the apparatus including a pump adapted to supply heated water; loading the portion capsule into the apparatus; piercing the foil lid; reading a barcode on the portion capsule with the barcode reader; determining whether the read barcode agrees with a stored reference; and activating the pump to push heated water into the portion capsule only upon a determination that the read barcode agrees with the stored reference.