Inhalation Device Power Control With Timed Flavor Heating
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Solution Overview
Problem
Inhalation devices lack user-friendly control mechanisms for determining when to terminate the inhalation-possible state, leading to uncertainty and potential inefficiencies in flavor component addition to the aerosol.
Innovation Solution
A power supply unit with a control unit that manages electrical power to heating units for aerosol and flavor sources, allowing user input to switch between inhalation-possible and inhalation-impossible states, and adjusts heating modes based on predetermined times or conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the inhalation device maintains an inhalation-possible state with electrical power supplied to heating units, then the user can terminate inhalation at a desired time, but the user lacks clear guidance on when to terminate, reducing user convenience
Solution Approach 1:
The control unit provides feedback to the user by changing the heating mode of the flavor source heating unit at a predetermined change time, creating a distinguishable change in flavor component addition. This feedback mechanism informs the user that the inhalation-possible state has been maintained for a sufficient duration, guiding them to terminate inhalation.
Solution Approach 2:
The patent uses changes in flavor intensity as a sensory indicator (analogous to color changes) to communicate device state to the user. The control unit adjusts the heating mode of the flavor source, resulting in a perceptible change in flavor component addition to the aerosol, which signals the user about the inhalation duration.
2Productivity
If the device continuously adds flavor components to the aerosol throughout the inhalation-possible state, then flavor is available, but excessive or inconsistent flavor addition may occur without proper timing control
Solution Approach 1:
The control unit performs preliminary action by changing the heating mode of the flavor source heating unit at a predetermined change time before the user terminates inhalation. This advance adjustment ensures optimal flavor component addition occurs at the appropriate moment, improving both efficiency and consistency.
Solution Approach 2:
The patent implements dynamic control of the flavor source heating unit, switching between different heating modes based on the elapsed time in the inhalation-possible state. This dynamic adjustment optimizes flavor component addition throughout the inhalation process, preventing excessive or inconsistent flavor delivery.
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
Enhances user convenience by providing controlled and efficient addition of flavor components to the aerosol, optimizing power usage, and ensuring consistent user experience.
Implementation Method 1
a first heating unit for heating the aerosol source by the supply of electrical power
Implementation Method 2
a second heating unit for heating the flavor source by the supply of electrical power
Data Source
Figure 1
Figure 2(a)~2(b)
Figure 3
AI summary
An inhalation device (100) has an inhalation-impossible state in which electrical power is not supplied to a first heating unit (121) for heating an aerosol source or a second heating unit (132) for heating a flavor source (131), and an inhalation-possible state in which electrical power can be supplied to at least the first heating unit (121), the inhalation-possible state being entered in response to predetermined input during the inhalation-impossible state. A control unit (116) of a power supply unit (110) of the inhalation device (100) causes heating of the aerosol source by the first heating unit (121) when there is inhalation on the inhalation device (100) while the inhalation device (100) is in the inhalation-possible state, and changes a mode of heating by at least either of the first heating unit (121) and the second heating unit (132) in response to a change time being reached after the inhalation device (100) has entered the inhalation-possible state.