Capsule Beverage Machine Optical Recognition for Multi-Brand Brewing
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Solution Overview
Problem
Existing beverage preparation machines are limited to using capsules from a single manufacturer, restricting consumer choice and competition, as they rely on specific encoding that only recognizes capsules from their own producer.
Innovation Solution
A machine with a control system that includes an optical sensor capable of recognizing and processing graphic information from various capsule manufacturers, allowing it to operate with a wide range of capsules by pre-storing brewing information for different types, independent of angular positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the machine uses specific encoding (barcode, magnetic element, RFID tag) on the capsule body, then the machine can automatically recognize the capsule type and control operating parameters, but the machine is limited to using capsules from a single manufacturer
Solution Approach 1:
The optical sensor device is designed to read multiple types of graphic codes (barcodes, DataMatrix codes, QR codes) from capsules of different manufacturers. The control system stores brewing information for various capsule types and can automatically select the appropriate parameters based on the recognized code, enabling the machine to work with capsules from multiple manufacturers while maintaining automatic recognition capability
Solution Approach 2:
The system changes the recognition parameter from manufacturer-specific encoding to universal graphic code patterns. By recognizing the position and structure of graphic codes relative to the capsule sealing foil (independent of angular positioning), the system adapts to read codes from different manufacturers without requiring manufacturer-specific recognition algorithms
2Device complexity
If the machine requires predefined angular positioning of the capsule sealing foil for code reading, then the recognition system is simpler, but the machine cannot reliably recognize capsules inserted at different angles
Solution Approach 1:
Instead of relying on angular positioning in the horizontal plane, the system uses the vertical dimension and geometric relationships of the code position relative to the sealing foil. The optical sensor reads the code based on its position relative to the foil's geometry (such as distance from the rim or relationship to other visual features), allowing recognition regardless of the capsule's rotational angle
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 the machine to function with capsules from different manufacturers, enhancing consumer choice and competition by automatically selecting optimal brewing parameters for various capsules, ensuring reliable and safe operation.
Implementation Method 1
an optical sensor device, for detecting graphic information associated to the body of a capsule
Data Source
AI summary
A machine for preparing liquid food products using capsules includes a dispensing assembly having a first part and a second part designed to define an infusion chamber between them, a loading arrangement for the insertion of the capsule, an actuation system, a control system, and an arrangement for heating the fluid. A processor of the control system is prearranged for controlling at least the heating arrangement and the feeding arrangement. Encoded instructions contained in a memory of the control system has sets of brewing information that are differentiated from each other according to a type of capsule. The processor is prearranged for comparing an image acquired by an optical sensor device with reference images of the capsules that are encoded in the memory and for associating a set of brewing information to a corresponding type of capsule to select an operation mode.