Dryer and holder
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Solution Overview
Problem
Existing dryers lack the ability to effectively utilize internal power without physical restrictions, such as limited battery life, leading to inefficient power usage and potential interruptions in operation.
Innovation Solution
A dryer and holder system that includes a controller to detect the charging ratio of internal batteries and enter a power-saving mode, selectively limiting power supply to electronic parts based on a threshold, allowing for extended operation by classifying parts into retention and restriction categories and displaying power limitations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If internal battery power is used to enable free drying without physical restrictions, then mobility and ease of operation are improved, but power supply duration is limited due to battery capacity constraints
Solution Approach 1:
The dryer dynamically adjusts power consumption based on battery charging ratio. The controller monitors battery status and automatically modifies operational parameters (such as heating power, fan speed) to extend operation time while maintaining drying effectiveness. This dynamic adaptation resolves the contradiction by making the system flexible rather than static in its power usage.
Solution Approach 2:
The system performs preliminary classification of electronic parts into power retention and power restriction categories before power becomes critically low. By pre-planning power allocation strategies and notifying users in advance about upcoming power limitations, the system maximizes the usable battery capacity and extends operational duration.
2Duration of action of moving object
If power is limited to extend battery operation time, then duration of action is improved, but drying performance deteriorates due to reduced power availability
Solution Approach 1:
The electronic parts are segmented into two categories: power retention parts (critical for drying function) and power restriction parts (non-essential or adjustable functions). This segmentation allows the system to maintain core drying performance while restricting secondary functions, thereby extending operation time without significantly compromising drying effectiveness.
Solution Approach 2:
Different power management strategies are applied to different parts of the system. Critical components (heating element, airflow generation) receive sufficient power to maintain drying performance, while non-critical components (display, auxiliary sensors) have their power consumption reduced. This localized quality approach ensures drying performance is preserved where needed while extending overall operation time.
3Duration of action of moving object
If power saving mode is activated to extend usage time, then duration of action is improved, but device functionality is reduced due to limited power availability
Solution Approach 1:
The power saving mode implements partial action by selectively maintaining only the essential drying functions while reducing or suspending non-essential features. Rather than completely limiting all functions, the system applies power restriction partially to specific components, thereby extending usage time while preserving core functionality. Users can still perform drying operations, just with reduced auxiliary capabilities.
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
Enables the dryer to operate effectively without external power, extending usage time by optimizing power distribution and user awareness of power constraints through display feedback.
Implementation Method 1
a first battery configured to supply power to the first electronic parts
Data Source
AI summary
A dryer includes a plurality of first electronic parts including a fan and a heater, a first battery to supply power to the first electronic parts, and a first controller to control power of the first battery. The first controller detects a charging ratio of the first battery, enters a first power saving mode if the charging ratio is a threshold charging ratio or less, and limits power supplied to at least one of the plurality of first electronic parts. A holder for holding the dryer includes a plurality of second electronic parts including a plurality of contact terminals, a second battery to supply power to the second electronic parts, and a second controller to detect a charging ratio of the second battery and enter a second power saving mode to limit power supplied to at least one of the plurality of second electronic parts.