Appliance Tool Detection via Multi-Component Magnetic Identification
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Solution Overview
Problem
Existing kitchen appliances lack an efficient and reliable method to detect the tool in use, which affects safety and comfort of operation.
Innovation Solution
The appliance incorporates a motor-driven tool with an identification component generating a magnetic field with multiple components, polarity states, and field strengths, detected by sensors to determine the tool type and provide feedback for optimal operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a magnetic identification component with multiple field components is used, then tool detection reliability is improved, but device complexity increases
Solution Approach 1:
The identification component is segmented into multiple independent magnetic field components, each capable of representing a specific aspect of tool identity. This segmentation allows the system to encode more information reliably while maintaining a modular structure that can be detected through sequential or simultaneous measurement of each component.
Solution Approach 2:
The patent extends the identification system from a single-dimensional magnetic field to a multi-dimensional space with multiple field components. Each component adds a new dimension to the magnetic signature, enabling more reliable and distinctive tool identification without requiring stronger or more complex single-field solutions.
2Adaptability or versatility
If multiple magnetic field components with different polarity states are used, then the number of distinguishable tool types increases, but measurement complexity increases
Solution Approach 1:
Each magnetic field component is assigned a specific local quality characteristic (such as polarity state, field strength, or spatial orientation) that contributes to the overall tool identification. This allows the system to differentiate between tool types by measuring specific local properties rather than requiring a complete and complex analysis of the entire magnetic field.
Solution Approach 2:
The magnetic identification system is designed with multi-functionality, where the same basic magnetic component structure can represent multiple tool types through different combinations of polarity states and field strengths. This universal design allows a single identification component type to serve multiple identification purposes, increasing versatility without proportionally increasing complexity.
3Measurement precision
If magnetic sensors are used to detect multiple field components, then tool detection precision is improved, but energy consumption increases
Solution Approach 1:
The detection system employs periodic measurement of magnetic field components rather than continuous monitoring. By measuring each field component at specific intervals or in a sequential manner, the system achieves high measurement precision while minimizing the total energy consumption of the magnetic sensors.
Solution Approach 2:
The system measures only the necessary number of magnetic field components required for accurate tool identification, rather than continuously measuring all possible components. This partial measurement approach maintains sufficient detection precision while reducing the energy burden on the sensor system.
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 enables reliable and efficient tool detection, improving safety and comfort by adapting operational parameters based on the detected tool and tracking usage time.
Implementation Method 1
Each tool from the set of K different tools comprises an identification component which is configured to generate a magnetic field that is indicative of a magnetic code
Implementation Method 2
The appliance comprises a detection unit (with one or more magnetic sensors, e.g. Hall sensors) configured to provide measurement information regarding the magnetic field
Data Source
Figure 1a~1b
Figure 2a~2b
Figure 2c~2d
AI summary
An appliance (100) is described, wherein the appliance (100) comprises a motor (102) configured to drive a tool (107) which is attached to the motor (102), and a receptacle (104) configured to take up content that is to be processed within the receptacle (104) using the tool (107) which is attached to and/or driven by the motor (102). The appliance (100) is configured such that the tool (107) which is attached to the motor (102) is selectable in an interchangeable manner from a set of K different tools (107), with K≥ 2, wherein each tool (107) from the set of K different tools (107) comprises an identification component (210) which is configured to generate a magnetic field that is indicative of a magnetic code from a set of K different magnetic codes for the respective K different tools (107). The appliance (100) further comprises a detection unit (220) configured to provide measurement information regarding the magnetic field that is generated by the identification component (210) of the tool (107) which is attached to the motor (102). In addition, the appliance (100) comprises a control unit (101) which is configured to determine, based on the measurement information, whether or not a tool (107) and/or which tool (107) from the set of K different tools (107) is attached to the motor (102); and/or to operate the appliance (100) in dependence of the measurement information, in particular in dependence of whether or not a tool (107) and/or in dependence of which tool (107) from the set of K different tools (107) is attached to the motor (102).