Power supply unit of aerosol generating device

JP2025039815A5Active Publication Date: 2025-04-15JAPAN TOBACCO INC
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Patent Information

Application Number
JP2025004778
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2025-04-15
Estimated Expiration
2040-07-09

AI Technical Summary

Technical Problem

When the aerosol generation device's battery is overcharged and discharged, the controller may not start even if connected to an external power supply, resulting in the inability to charge or use the device.

Method used

A power unit is designed in which the load and the battery are connected in parallel to the charger, which can supply power to the controller from the load and the battery, ensuring that the battery can be overcharged and discharged to the controller.

Benefits of technology

It solves the problem that the equipment cannot be used when the battery is overcharged and discharged, ensuring that even if the battery is in poor condition, it can be powered to the controller through an external power supply to ensure the normal operation of the equipment.

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Abstract

To make it possible to supply electric power from an external power supply to a controller of a power supply unit, even when a power supply provided in the power supply unit of an aerosol generating device becomes an overcharged state.SOLUTION: A power supply unit 10 of an aerosol aspirator 1 comprises a power supply 12 capable of supplying electric power to a load 21 for heating an aerosol source, a charging terminal 43 receiving electric power for charging the power supply 12 from a plug connected to an external power supply, a charging IC 55 controlling the charge of the power supply 12 by the electric power received by the charging terminal 43, and an MCU 50. The charging terminal 43 and the power supply 12 are connected to the charging IC 55 in parallel, and the charging IC 55 is configured to be able to supply the electric power from the charging terminal 43 and the power supply 12 respectively via the charging IC 55 to the MCU 50.SELECTED DRAWING: Figure 10
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