Aerosol Inhaler Charging Control for Battery Temperature Protection
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Solution Overview
Problem
Aerosol inhalers experience reduced available time due to premature charging termination caused by high temperatures, leading to impaired user convenience, as existing technologies lack effective charging control methods to extend the power supply's lifespan.
Innovation Solution
A power supply unit for aerosol inhalers, comprising a charger, temperature measuring unit, and charging controller that adjusts the duty ratio of charging power supply based on temperature, ensuring continuous charging within a predetermined range to prevent overheating and prolong battery life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If charging control is performed by ending charging when power supply temperature becomes high, then power supply protection is improved, but available time of aerosol inhaler deteriorates
Solution Approach 1:
The charging control system dynamically adjusts the charging state based on real-time temperature monitoring. Instead of a static charging/ending approach, the system continuously adapts the charging current or voltage according to the power supply's thermal state, allowing charging to continue in a controlled manner even when temperature rises, thereby extending available time while maintaining protection
Solution Approach 2:
The system changes charging parameters (such as charging current, voltage, or power) based on temperature conditions. When temperature increases, the charging parameters are adjusted rather than completely stopping charging, enabling the power supply to continue charging at modified rates and thus extending the operational duration without compromising safety
2Reliability
If charging is ended early to protect power supply, then reliability is improved, but user convenience deteriorates
Solution Approach 1:
The charging control system implements a feedback mechanism where temperature information from the power supply is continuously monitored and fed back to the charging controller. This feedback loop enables intelligent decision-making about charging status, allowing the system to maintain charging under controlled conditions rather than prematurely ending it, thereby improving user convenience while preserving reliability through informed protection
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 effectively extends the aerosol inhaler's operational time by maintaining optimal charging levels, reducing the risk of premature battery deterioration and enhancing user convenience by ensuring consistent power supply.
Implementation Method 1
a temperature measuring unit configured to measure a temperature of the power supply
Implementation Method 2
a charger configured to convert inputted power into charging power for the power supply
Data Source
AI summary
A power supply unit includes: a power supply configured to discharge power to a load for generating an aerosol from an aerosol generation source; a charger configured to convert inputted power into charging power; a temperature measuring unit configured to measure a temperature of the power supply; and a charging controller configured to perform a first control for stopping the charger from supplying the charging power to the power supply and a second control for causing the charger to supply the charging power to the power supply, the charging controller setting a duty ratio to a value greater than 0 and smaller than 100 in a case where the temperature of the power supply is within a predetermined range, and the duty ratio being obtained by dividing a time during which the charging controller performs the first control by a unit time.