Planar Aerosol Heater Power Split for Fast Pre-Heating
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Solution Overview
Problem
Existing aerosol generation devices face challenges in effective power management and usability, particularly when using planar aerosol generating substrates that require higher power for pre-heating, which can drain the charge level in the charge storage module.
Innovation Solution
The device incorporates a dual charge storage system, where a larger charge storage module in the charging unit powers the heater component during pre-heating, while a smaller module in the holding unit powers the heater during the aerosolization session, maintaining a sufficient charge level for the holding unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the heater component is pre-heated using the first charge storage module, then the heater reaches operating temperature quickly, but the charge level in the first charge storage module is significantly drained
Solution Approach 1:
The charge storage system is segmented into two separate modules: a first charge storage module in the holding unit for powering the heater during aerosolisation, and a second charge storage module in the charging unit for providing power during pre-heating. This segmentation allows each module to be optimized for its specific function, with the second module providing high power for pre-heating without depleting the first module's charge level.
Solution Approach 2:
The controller acts as an intermediary that manages power flow between the two charge storage modules and the heater component. It directs power from the second charge storage module to the heater during pre-heating, and from the first charge storage module during aerosolisation, ensuring proper power distribution and charge level management.
2Power
If a larger charge storage module is included in the holding unit to support pre-heating, then the heater can be pre-heated effectively, but the device size and weight increase
Solution Approach 1:
The charge storage functionality is segmented between two separate modules rather than requiring one large module in the holding unit. The second charge storage module in the charging unit provides the necessary power for pre-heating, allowing the holding unit to contain only a smaller first charge storage module, thereby reducing device weight.
3Volume of moving object
If the cavity is designed to receive planar aerosol generating substrates, then the device becomes more compact, but the power required for heating increases considerably
Solution Approach 1:
The power supply system is segmented into two charge storage modules with distinct roles: the second charge storage module in the charging unit provides high power for pre-heating the planar substrate, while the first charge storage module in the holding unit sustains power during aerosolisation. This segmentation enables the compact planar substrate design without excessive power consumption in the handheld unit.
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
This approach allows for rapid pre-heating of the heater component while preserving charge in the holding unit, enabling a compact and comfortable device design with improved power management and usability.
Implementation Method 1
The product is then heated with an electronic heater to vaporise the constituents of the product for the operator to inhale
Implementation Method 2
a first charge storage module configured to power the heater component
Implementation Method 3
a second charge storage module configured to charge the first charge storage module and power the heater component
Data Source
AI summary
An aerosol generation device includes a holding unit configured to receive and aerosolise an aerosol generating substrate, and a charging unit that is connectable to the holding unit. The holding unit includes a heater component to aerosolise the aerosol generating substrate, a first charge storage module to power the heater component, and a cavity into which the aerosol generating substrate is insertable for heating. The cavity is configured to receive an aerosol generating substrate that is substantially planar in shape. The charging unit includes a second charge storage module configured to charge the first charge storage module and power the heater component. The aerosol generation device further includes a controller configured to: when the holding unit is connected to the charging unit, pre-heat the heater component for an aerosolisation session by directing a power flow from the second charge storage module to the heater component.