Hairstyling Heater Circuit Reconfiguration for Variable Voltage
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Solution Overview
Problem
Hairstyling apparatuses face challenges in operating efficiently and safely across different mains voltages and voltage fluctuations, particularly when using battery power, leading to potential user errors and reduced battery life.
Innovation Solution
The hairstyling apparatus incorporates a sensor to determine voltage and current output, with switching components that reconfigure current flows through heating elements based on detected voltage ranges, allowing it to adapt to different voltage conditions and improve efficiency, safety, and battery longevity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the hairstyling apparatus uses a fixed circuit configuration for heating elements, then the device structure is simple, but it cannot adapt to different mains voltages and voltage fluctuations
Solution Approach 1:
The patent implements dynamic circuit reconfiguration by controlling switching components to change the electrical connection topology between heating elements based on detected voltage conditions. The controller dynamically adjusts the circuit configuration from series to parallel connections or individual heating element activation, enabling the apparatus to adapt to different mains voltages (110V/220V) and voltage fluctuations without requiring multiple fixed circuit designs.
2Reliability
If the apparatus operates at high power to maintain styling performance, then the heating effect is strong, but battery life is reduced and safety risks increase during voltage fluctuations
Solution Approach 1:
The patent employs feedback control through a voltage sensor that continuously monitors the electrical energy source output and provides signals to the controller. Based on this feedback, the controller adjusts the power delivery to heating elements by reconfiguring circuit connections and controlling switching components. This feedback mechanism prevents overheating and excessive current draw during voltage fluctuations, ensuring operational safety while optimizing battery consumption to extend usage duration.
Solution Approach 2:
The patent changes operational parameters by adjusting the electrical resistance configuration of the heating circuit based on detected voltage conditions. When voltage is high, the system increases circuit resistance by using series connections or activating fewer heating elements, reducing power consumption to protect the battery. When voltage is low, the system decreases resistance through parallel connections to maintain adequate heating performance, thereby extending battery life while ensuring safety across all operating conditions.
3Ease of operation
If the apparatus uses a simple switching mechanism for voltage selection, then the operation is easy, but user error in selecting regional voltage occurs
Solution Approach 1:
The patent implements self-service voltage detection and automatic configuration where the system autonomously identifies the applicable mains voltage through sensor monitoring and automatically reconfigures the heating circuit without requiring user intervention. The controller detects voltage conditions and autonomously adjusts switching component states to match the detected voltage, eliminating the need for manual voltage selection by the user and preventing voltage selection errors while maintaining ease of 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 solution enables the apparatus to operate reliably across varying voltages without user intervention, enhancing efficiency, safety, and extending battery life by optimizing current flow through heating elements.
Implementation Method 1
a plurality of heating elements
Data Source
AI summary
A hairstyling apparatus having heating elements, and a sensor for determining voltage and/or current output of an electrical energy source, and outputting a signal indicative of the determined voltage and or/current output. Switching components are connected with the heating elements. The switching components are controlled to reconfigure current flows through the plurality of heating elements in reliance on the signal.