Kitchen Appliance Tool-Adaptive Parameter Control for Safe Operation

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Solution Overview

Problem

Kitchen appliances, particularly food processors, lack enhanced operational safety and comfort features, as existing technologies do not adequately restrict operating parameters based on connected tools, leading to potential misuse and reduced food quality.

Innovation Solution

A kitchen appliance with a control unit that determines connected tools and sets permissible operating ranges for the motor and temperature control unit, ensuring safe and comfortable operation by limiting speed and temperature settings based on tool-specific parameters, using user input or sensor data to adjust settings within defined permissible ranges.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the kitchen appliance allows broad operating parameter ranges for motor speed and temperature, then the appliance is more versatile and adaptable to different tools, but the operational safety decreases and misuse becomes more likely

Engineering Contradiction:
Improveadaptability to different toolsVSAvoidoperational safety
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The control unit dynamically adjusts the permissible operating parameter ranges for motor speed and temperature based on the detected tool type. Each tool has specific permissible ranges stored in memory, and the control unit modifies the available parameter settings to match the connected tool's requirements, thereby ensuring safety while maintaining versatility.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The system implements a feedback mechanism where the control unit continuously monitors which tool is connected, retrieves the corresponding permissible parameter ranges from memory, and adjusts the operating parameters accordingly. This closed-loop control ensures that the appliance operates safely within tool-specific parameters while remaining adaptable to different tools.

Inventive Principle:
Principle #23Feedback

2Reliability

If the kitchen appliance restricts operating parameters to tool-specific ranges, then operational safety and food quality improve, but the appliance becomes less versatile

Engineering Contradiction:
Improveoperational safetyVSAvoidadaptability to different tools
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The control unit dynamically changes the permissible operating parameter ranges based on the detected tool type. By storing multiple sets of parameter ranges in memory and selecting the appropriate set based on tool identification, the system maintains both safety (through restriction) and versatility (through adaptive selection).

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The system transitions from static fixed parameter ranges to dynamic adaptive ranges. The permissible operating parameters are not fixed but change dynamically based on which tool is connected to the appliance, allowing the system to optimize safety for each specific tool while maintaining overall versatility.

Inventive Principle:
Principle #15Dynamics

3Ease of operation

If the kitchen appliance provides extensive parameter adjustment options, then user flexibility and adaptability increase, but the complexity of the control system increases

Engineering Contradiction:
Improveuser flexibilityVSAvoidcontrol system complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The control unit automatically determines the connected tool and configures the permissible parameter ranges without requiring manual user input. The system serves itself by autonomously selecting the appropriate parameter set from memory based on tool detection, thereby providing user flexibility while minimizing the complexity of user interaction.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The control system uses feedback from tool detection to automatically configure operating parameters. This self-adjusting mechanism reduces the need for complex user interfaces and manual configuration, providing ease of operation while managing control system complexity through automated decision-making.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP3636118B1Kitchen appliance with adaptive adjustment of an operating parameter
Publication Date: 2021.06.23 BSH HAUSGERATE GMBH
  • EP3636118B1 patent drawingFigure 1~2
  • EP3636118B1 patent drawingFigure 3~4
  • EP3636118B1 patent drawingFigure 5

AI summary

A kitchen appliance (100) is described, comprising a container (106) for holding one or more ingredients for a food product. The kitchen appliance (100) also includes an actuator (104) for driving an interchangeable tool (105) with which one or more ingredients for a food product can be processed, and a temperature control unit (111) for maintaining the temperature of the container (106). The kitchen appliance (100) further includes a control unit (101) configured to determine whether a tool (105) and, if so, which tool (105) is connected to the actuator (104). Furthermore, the control unit (101) is set up to determine, depending on this, a permissible operating range for the actuator (104) and a permissible operating range for the temperature control unit (111), and to operate the kitchen appliance (100) within the permissible operating ranges for the actuator (104) and for the temperature control unit (111).