Chaotic Hand Mixer Variable Speed Control to Reduce Emulsion Time
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Solution Overview
Problem
Constant speed hand mixers require a long time and consume excessive energy to mix emulsified food products effectively, as they do not efficiently create the necessary turbulence for rapid emulsion formation.
Innovation Solution
A chaotic hand mixer with a microprocessor-controlled DC motor that operates at variable speeds, utilizing logistic transformations to generate chaotic mixing patterns, reducing energy consumption and achieving emulsion in less time by creating turbulence in the food product.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If constant speed mixers are used to mix emulsified food products, then mixing is achieved through gradual speed options, but mixing time is long and energy consumption is high
Solution Approach 1:
The patent applies dynamics by transitioning from constant speed operation to variable speed operation. The mixer uses chaotic speed variations where the rotation speed continuously changes according to a chaotic function, allowing the system to adapt its mixing action dynamically rather than operating at fixed speeds throughout the mixing process
Solution Approach 2:
The patent implements parameter changes by modifying the speed parameter over time using a chaotic function. The rotation speed is no longer constant but varies chaotically within a defined range, creating different shear rates and mixing intensities at different moments, which accelerates emulsion formation and reduces mixing time
2Productivity
If constant speed mixers operate at high speed to reduce mixing time, then productivity increases, but energy consumption increases significantly
Solution Approach 1:
The patent applies periodic action through chaotic variations in rotation speed. Instead of maintaining constant high speed, the mixer operates with periodic speed fluctuations that create chaotic flow patterns. This periodic variation in speed generates turbulence and enhances mixing efficiency without requiring continuously high energy input
Solution Approach 2:
The dynamic speed adjustment allows the system to achieve effective mixing through variable intensity rather than constant high intensity. The chaotic speed profile creates periods of high shear followed by lower shear, optimizing energy utilization while maintaining mixing effectiveness
3Ease of operation
If constant speed mixers are used, then operation is simple, but turbulence generation is insufficient for rapid emulsion formation
Solution Approach 1:
The patent changes the speed parameter from constant to chaotically variable, which fundamentally alters the flow regime. This parameter change generates turbulence and chaotic advection that dramatically improves emulsion formation quality, creating more uniform and stable emulsions compared to constant speed operation
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 chaotic hand mixer achieves emulsion in half the time and with significantly reduced energy consumption compared to conventional constant speed mixers, maintaining equivalent viscosity, shear rate, and shear stress characteristics.
Implementation Method 1
create turbulence in the food product by operating the chaotic hand mixer (1) at speeds varying in a chaotic manner
Implementation Method 2
The DC motor (3) is driven by the signals produced by the control board (5)
Data Source
Figure 1
Figure 2~3
AI summary
The invention is about a chaotic hand mixer that mixes the food products in a chaotic way. It comprises a propeller, a DC motor, an energizing socket, a control card (5) that drives the DC motor by the chaotic signal or constant speed signal and buttons.