Multi-purpose handheld kitchen appliance
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Solution Overview
Problem
Conventional multi-purpose handheld kitchen appliances have rudimentary controls, making it challenging for users to select optimal drive speeds for different attachments and may require awkward orientations, which can complicate the use of various attachments.
Innovation Solution
A multi-purpose handheld kitchen appliance with a controller that detects the type of attachment and adjusts motor speed, display orientation, and activation controls to optimize performance and usability based on the attached accessory, using an attachment identifier and potentially a gyroscope for orientation sensing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single motor or drive system is used to support multiple removable attachments, then the appliance becomes multi-purpose and reduces the need for multiple appliances, but the controls become very rudimentary and users struggle to select optimal drive speeds for different attachments
Solution Approach 1:
The system automatically detects the attached tool type via an identifier and autonomously selects appropriate motor control parameters including drive speed, torque, and operational mode. This eliminates the need for users to manually configure complex settings, making the appliance as easy to operate as a single-purpose device while maintaining multi-purpose capability.
Solution Approach 2:
The controller dynamically adjusts motor operating parameters such as speed, torque, and power delivery based on the detected attachment type. Each tool type has optimized parameter profiles stored in memory, allowing the system to transition between different operational states seamlessly without requiring user intervention.
2Adaptability or versatility
If multiple discrete drive speeds are provided via a knob or mechanism, then users have more speed options, but the control mechanism becomes more complex and difficult to use
Solution Approach 1:
The system automatically selects and switches between multiple drive speeds based on the detected attachment type without requiring a manual speed selection mechanism. The controller accesses pre-programmed speed profiles for each tool type and executes them automatically, eliminating knobs, dials, or buttons while maintaining multiple speed options.
Solution Approach 2:
The patent replaces mechanical speed control mechanisms (knobs, dials, switches) with an electronic control system that uses sensors and microprocessors to automatically adjust motor speed. This substitution eliminates complex mechanical controls while providing precise, programmable speed variation for different attachments.
3Adaptability or versatility
If different attachments require different appliance orientations, then each attachment can be optimized for its function, but the display and controls end up in difficult orientations for the user
Solution Approach 1:
The display and control interface are made dynamically adjustable through rotation mechanisms or repositionable mounting. The system can physically reorient the display panel or housing to maintain an ergonomic viewing angle regardless of which attachment is installed and how the appliance is held, ensuring user comfort across all operational modes.
Data Source
AI summary
A multi-purpose handheld kitchen appliance includes a controller configured to customize various aspects of the appliance based upon a type of attachment coupled to the appliance, e.g., to controllably vary a motor speed, to selectively disable an activation control, and/or to rotate a display based on a type of attachment and/or a gyroscope input.