Coffee Filter Holder RFID Identification for Grinder Adaptation
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Solution Overview
Problem
Current filter holder devices for ground coffee require manual adaptation of coffee grinders and beverage preparation machines, leading to increased time and reliability issues due to operator errors, and existing detection systems are limited by proximity constraints and design complexities.
Innovation Solution
A radio frequency identification (RFID) system using a radio tag positioned on the filter holder device, allowing for contactless identification and easy adaptation, combined with presence detection at the machine mouth to generate operating control signals, enabling efficient and reliable operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual adaptation of coffee grinders and beverage preparation machines is used, then device complexity is reduced, but productivity decreases and reliability worsens due to operator errors
Solution Approach 1:
The patent replaces manual mechanical adaptation with an automated RFID-based detection system. The reader device automatically identifies the filter holder type through radio frequency communication, eliminating the need for manual selection and configuration by the operator, thus resolving the contradiction between device complexity and productivity
Solution Approach 2:
The system enables self-service automation where the machine automatically detects the filter holder type and configures itself without human intervention. The RFID tag on the filter holder provides identification data that the reader uses to automatically adjust brewing parameters, eliminating operator error and improving both productivity and reliability
2Measurement precision
If Hall effect magnetic sensors are used for detection, then measurement precision is achieved, but device complexity increases and reliability worsens due to proximity constraints
Solution Approach 1:
The patent replaces contact-based Hall effect magnetic sensors with contactless RFID technology. The RFID system uses electromagnetic fields for communication, eliminating the need for precise mechanical positioning and proximity alignment, thus reducing device complexity while maintaining identification accuracy
Solution Approach 2:
The RFID tag acts as an intermediary carrier of identification information. Instead of requiring direct sensor-to-component contact, the tag stores and transmits filter holder type data wirelessly, simplifying the reading system design and removing proximity constraints
3Adaptability or versatility
If radio frequency identification system is used, then adaptability increases and ease of operation improves, but device complexity increases due to additional components
Solution Approach 1:
The RFID system provides universal identification capability that can handle multiple filter holder types through a single standardized interface. The RFID tags can be programmed with different identification codes, allowing the same reader device to accommodate various filter holder configurations without requiring multiple specialized sensors
Solution Approach 2:
The system uses programmable RFID tags that can store different identification parameters for various filter holder types. By changing the data stored in the RFID tag rather than changing the physical detection hardware, the system achieves high adaptability with minimal additional complexity
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
The RFID system enables flexible identification of various filter holder devices, reduces operator errors, and simplifies design by allowing greater flexibility in device types and machine compatibility, ensuring smooth operation and preventing unsuitable device usage.
Implementation Method 1
A radio frequency identification (RFID) system using a radio tag positioned on the filter holder device, allowing for contactless identification
Data Source
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AI summary
The invention relates to a filter holder (1) for coffee grinding, comprising a handle (3), a filter-carrying cup (2), and identification means, said device being characterised in that the identification means comprise a radio label. The invention can be applied to coffee grinders and to machines used to prepare coffee drinks.