Shenzhen First Union Technology Co., Ltd. Patente

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This application provides an aerosol generating device and a control method therefor. The aerosol generating device includes: a power supply circuit; a direct current/alternating current (DC/AC) inverter, including a class-E power amplifier, the class-E power amplifier including a transistor switch and an LC load network consisting of a capacitor and an inductor; where the inductor is inductively coupled to a susceptor, to heat an aerosol-forming substrate to generate an aerosol; and a controller, configured to determine, during operation, an apparent ohmic resistance based on a DC supply voltage and a DC current output by the power supply circuit to the DC/AC inverter; the controller being further configured to monitor a change in the apparent ohmic resistance, and when the apparent ohmic resistance changes, adjust a frequency and a duty cycle of a switch signal supplied to the transistor switch. According to the foregoing aerosol generating device and the control method therefor, a change in an apparent ohmic resistance is monitored, and when the apparent ohmic resistance changes, a frequency and a duty cycle of a switch signal supplied to the transistor switch are adjusted, so that the class-E power amplifier always operates in an optimal state.

This application provides an aerosol generating device and an operation method, including: a battery core; a resonant circuit, including an inductor and a capacitor; a switch circuit, including a first switch transistor and a second switch transistor; a controller, configured to output a first pulse signal and a second pulse signal, the first pulse signal and the second pulse signal being complementary and having a dead time; a driver, configured to drive the first switch transistor based on the first pulse signal and drive the second switch transistor based on the second pulse signal; and a susceptor, configured to be penetrated by the changing magnetic field, to generate heat to heat an aerosol-forming substrate. According to the foregoing aerosol generating device, on the one hand, the dead time can be flexibly set and a direct connection of the switch transistors can be effectively prevented; and on the other hand, the dead time can be reduced, to reduce the loss of the switch transistors and effectively improve the efficiency of the whole machine.

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Disclosed in the present application are an aerosol generation apparatus and a control method therefor. The aerosol generation apparatus comprises: a heater, which is used for heating an aerosol generation product to generate an aerosol, wherein the heater comprises a first heating part and a second heating part; a battery cell, which is used for providing electric power, a temperature sensor, which is arranged on the first heating part; and a circuit, which is configured to control, within at least one of a plurality of heating stages and on the basis of a real-time temperature of the first heating part measured by the temperature sensor, the battery cell to provide heating energy for the first heating part and the second heating part, wherein the heating energy provided for the second heating part is proportional to the heating energy provided for the first heating part. By means of the aerosol generation apparatus and the control method therefor, when a second heating part has no temperature sensing, it is ensured that the second heating part is heated along with a first heating part, thereby realizing temperature control over the second heating part.

This application provides an aerosol generating system and a heating device. The aerosol generating system further includes: a replaceable aerosol generating article, including at least one aerosol generating substrate, where the at least one aerosol generating substrate is configured to generate an aerosol upon being heated; and a reusable heating device, configured to removably receive the aerosol generating article, and heat the at least one aerosol generating substrate of the aerosol generating article. The heating device includes: a first support, at least partially defining a receiving cavity, to receive the aerosol generating article; and an airflow sensor, configured to detect a change of an airflow flowing through the aerosol generating system when a user inhales, where the airflow sensor is accommodated or held by the first support, and avoids the receiving cavity in a longitudinal direction of the heating device. In the foregoing aerosol generating system, the airflow sensor is accommodated and held by the first support defining the receiving cavity in the heating device, and the airflow sensor is staggered from the receiving cavity in the longitudinal direction.

An electronic atomization device (100) and a liquid storage component (200) are provided. The electronic atomization device (100) includes a first housing assembly (101); an atomization assembly (104); and a second housing assembly (201), configured to be connected to the first housing assembly (101) and establish a liquid channel (T1) and an air channel (T2) between a first liquid storage cavity (103) and a second liquid storage cavity (202). A part of a surface of a liquid adsorption element is in communication with the liquid channel (T1), to absorb a liquid substrate from the second liquid storage cavity (202) through the liquid channel (T1). A port of the air channel (T2) in the first liquid storage cavity (103) is covered by the liquid adsorption element, and the liquid adsorption element is configured to hold a partial amount of the liquid substrate, so that the held liquid substrate is capable of blocking air circulation between the air channel (T2) and the first liquid storage cavity (103), and when the liquid substrate held in the liquid adsorption element is consumed, the air channel (T2) is brought back into communication with an air portion of the first liquid storage cavity (103).

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