CN-122003189-A - Aerosol generating device

Abstract

The aerosol-generating device comprises an aerosol generator for generating an aerosol, and a potential difference sensor for generating a signal in dependence on a potential difference that varies as the composition of the aerosol generated by the aerosol generator varies.

Inventors

• ZHANG ZHEHAO
• Pu Xiangzhe
• LI YUANJING

Assignees

• 韩国烟草人参公社

Dates

Publication Date

20260508

Application Date

20250625

Priority Date

20240904

Claims (15)

1. 1. An aerosol-generating device, characterized in that, Comprising the following steps: An aerosol generator for generating an aerosol, and A potential difference sensor that generates a signal based on a potential difference that varies with a composition of an aerosol generated by the aerosol generator.
2. 2. An aerosol-generating device according to claim 1, wherein, Also included is a channel through which at least a portion of an aerosol generated by the aerosol generator can flow, the potential difference sensor generating the signal based on a change in composition of the aerosol flowing through the channel.
3. 3. An aerosol-generating device according to claim 2, wherein, At least a portion of the potential difference sensor is located in the channel.
4. 4. An aerosol-generating device according to claim 1, wherein, The potential difference sensor generates the signal based on a pH change of the aerosol.
5. 5. An aerosol-generating device according to claim 2, wherein, The aerosol generator comprising an aerosol-generating chamber for generating an aerosol, the channel being connected to the aerosol-generating chamber, the aerosol generated from the aerosol-generating chamber flowing through the channel, The potential difference sensor generates the signal based on a change in composition of the aerosol flowing through the channel.
6. 6. An aerosol-generating device according to claim 2, wherein, The aerosol generator includes a housing portion that houses an aerosol-generating article for generating an aerosol, and a heater for heating the aerosol-generating article; The channel is formed by a space between the aerosol-generating article received in the receiving portion and an inner surface of the receiving portion.
7. 7. An aerosol-generating device according to claim 2, wherein, The aerosol generator includes a housing portion that houses an aerosol-generating article for generating an aerosol, and a heater for heating the aerosol-generating article; the passage passes through the receiving portion.
8. 8. An aerosol-generating device according to claim 1, wherein, The aerosol generator comprises: Cartridge for generating an aerosol from an aerosol-generating substance, and A housing portion that houses an aerosol-generating article to which an aerosol generated at the cartridge is transferred; The potential difference sensor is disposed in the accommodating portion.
9. 9. An aerosol-generating device according to claim 8, wherein, The aerosol-generator further comprises a heater which heats the aerosol-generating article housed in the housing and generates an aerosol, The potential difference sensor generates a signal according to a potential difference that varies with a variation in at least one component of an aerosol generated from the aerosol-generating article and an aerosol generated at the cartridge.
10. 10. An aerosol-generating device according to claim 1, wherein, Also included is a controller for controlling the action of the aerosol generator, The aerosol generator generates an aerosol from an aerosol-generating substance, The controller detects depletion of the aerosol-generating substance based on the signal of the potential difference sensor, and stops operation of the aerosol generator when the aerosol-generating substance is depleted.
11. 11. An aerosol-generating device according to claim 1, wherein, Also included is a controller for controlling the action of the aerosol generator, The controller detects an abnormal operation of the aerosol generator based on the signal of the potential difference sensor, and stops the operation of the aerosol generator when the aerosol generator is abnormally operated.
12. 12. An aerosol-generating device according to claim 1, wherein, The aerosol generator comprises a heater for heating the aerosol-generating substance, A controller is also included for controlling the operation of the heater based on a predetermined temperature profile, The controller changes the temperature profile for controlling the operation of the heater based on the signal of the potential difference sensor.
13. 13. An aerosol-generating device according to claim 1, wherein, The potential difference sensor includes a signal generating section of a mesh member through which an aerosol can pass, and the aerosol passes through the signal generating section and generates droplets, and the signal generating section generates the signal according to a potential difference that varies with a composition change of the droplets.
14. 14. An aerosol-generating device according to claim 1, wherein, The potential difference sensor is in contact with the aerosol and liquefies a portion of the aerosol, and the potential difference sensor is in contact with droplets generated from the aerosol and generates the signal.
15. 15. An aerosol-generating device according to claim 1, wherein, The potential difference sensor comprises a reference electrode and a measuring electrode, and the potential difference between the reference electrode and the measuring electrode changes according to the composition change of the aerosol, so that the signal is generated.

Description

Aerosol generating device Technical Field Embodiments relate to an aerosol-generating device, and more particularly, to an aerosol-generating device capable of accurately detecting a composition change of an aerosol. Background Recently, there has been an increasing demand for alternatives to conventional combustion cigarettes. For example, a method of supplying an aerosol by heating an aerosol-generating substance in a liquid state or a solid state, or a method of generating an aerosol by heating an aerosol-generating substance and passing the generated aerosol through an aroma medium has been studied. In order to control the operation of the aerosol-generating device, the aerosol-generating device further comprises a sensor. For example, when the aerosol-generating device comprises a temperature sensor, the heater or a change in temperature around the heater may be detected. As another example, in the case where the aerosol-generating device includes a suction sensor for detecting a suction action of the user, the action of the aerosol-generating device may be controlled based on the suction action of the user inhaling the aerosol. Disclosure of Invention Technical problem to be solved An aerosol-generating device comprising a temperature sensor or a puff sensor may utilize temperature related to the action of the aerosol-generating device or signal information related to the puff action of the user. However, the relevant signal information, such as temperature or the user's pumping action, is not directly related to the components contained in the aerosol generated by the aerosol-generating device and delivered to the user. It is important that the aerosol-generating device performs an effective action corresponding to various environments in which the aerosol-generating device is used and various types of users in which the aerosol-generating device is used. For efficient operation of an aerosol-generating device, an aerosol-generating device capable of detecting components contained in an aerosol is required. Embodiments provide an aerosol-generating device that may operate based on signal information directly related to the composition of aerosol generated by the aerosol-generating device. The problems to be solved by the embodiments of the present disclosure are not limited to the above-described technical problems, and the non-mentioned problems can be clearly understood from the present specification and drawings by those having ordinary skill in the art to which the embodiments belong. Additional aspects will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments provided in the disclosure. Technical scheme for solving problems An aerosol-generating device according to an aspect comprises an aerosol generator for generating an aerosol, and a potential difference sensor for generating a signal in dependence on a potential difference that varies as a function of the composition of the aerosol generated by the aerosol generator. The aerosol-generating device may further comprise a channel through which at least a portion of the aerosol generated by the aerosol generator may flow. The potential difference sensor may generate a signal based on a change in composition of the aerosol flowing through the channel. At least a portion of the potential difference sensor may be located in the channel. The potential difference sensor may generate a signal based on a pH change of the aerosol. The aerosol generator may comprise an aerosol-generating chamber for generating an aerosol. The channel may be connected with the aerosol-generating chamber, through which aerosol generated from the aerosol-generating chamber may flow. The potential difference sensor may generate a signal based on a change in composition of the aerosol flowing through the channel. The aerosol generator may comprise a receptacle for receiving an aerosol-generating article for generating an aerosol. The aerosol generator may further comprise a heater for heating the aerosol-generating article. The channel may be formed by a space between the aerosol-generating article received in the receptacle and an inner surface of the receptacle. The aerosol generator may comprise a receiving portion for receiving an aerosol-generating article for generating an aerosol, and a heater for heating the aerosol-generating article. The channel may pass through the receptacle. The aerosol generator may comprise a cartridge for generating an aerosol from an aerosol-generating substance. The aerosol generator may further comprise a receptacle which receives the aerosol-generating article and transfers aerosol generated at the cartridge to the aerosol-generating article. The potential difference sensor may be disposed in the housing portion. The aerosol-generator may further comprise a heater which heats the aerosol-generating article housed in the housing and generates an a