CN211458858U

CN211458858U - Power supply device and aerosol generating device

Info

Publication number: CN211458858U
Application number: CN201921408451.3U
Authority: CN
Inventors: 邱伟华; 姚秀良; 李剑芳
Original assignee: Changzhou Paiteng Electronic Technology Co Ltd
Current assignee: Changzhou Paiteng Electronic Technology Co Ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-09-11
Anticipated expiration: 2029-08-28

Abstract

The utility model provides a power supply device and an aerosol generating device, the power supply device is used for the aerosol generating device, the aerosol generating device comprises an atomizer and the power supply device, the power supply device comprises a first air flow channel, an air flow detection chip, a power supply and a controller, external air flows into the atomizer through the first air flow channel, or the smoke formed in the atomizer flows out through the first air flow channel, the air flow detection chip is arranged in the first air flow channel, the gas flow detection chip is used for detecting the flow velocity of gas flow flowing through the first gas flow channel, the controller receives an electric signal of the gas flow detection chip to obtain the flow velocity of the gas flow and determine the flow rate of the gas flow when the atomizer works according to the flow velocity of the gas flow, so that the effect of assisting a user to control suction is achieved; in addition, an aerosol generating device adopting the power supply device is also provided.

Description

Power supply device and aerosol generating device

Technical Field

The utility model relates to a simulation smoking technical field especially relates to a power supply unit and adopt this power supply unit's aerosol generating device.

Background

At present, an aerosol generating device has become a relatively mature smoking substitute in the market, and the aerosol generating device supplies power to a heating structure in an atomizer through a power supply device, so that the heating structure heats tobacco juice under electric drive to generate smoke for a user to smoke.

Typically, aerosol generating device users judge the daily puff volume based primarily on their own perception to further determine whether to continue to puff and thereby control the daily puff volume. However, subjective judgments by users of aerosol generating devices are subject to error, and may even be subject to large errors, making it difficult for users of aerosol generating devices to accurately control the amount of puffs taken per day.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a power supply device and an aerosol generating device using the same.

A power supply device for an aerosol generating device, the aerosol generating device comprises an atomizer and the power supply device, the power supply device comprises a first air flow channel, an air flow detection chip, a power supply and a controller, the power supply is used for providing electric energy for the gas flow detection chip, the controller and the atomizer, external air flows into the atomizer through the first air flow channel, or the smoke formed in the atomizer flows out through the first air flow channel, the air flow detection chip is arranged in the first air flow channel, the gas flow rate detecting chip is used for detecting the flow rate of the external air flowing through the first gas flow channel, the gas flow detection chip is electrically connected with the controller, and the controller receives an electric signal of the gas flow detection chip to obtain the flow rate of the gas flow and determine the flow rate of the gas flow when the atomizer works according to the flow rate of the gas flow.

Further, the gas flow detection chip includes a heating element and a temperature sensing element, the temperature sensing element is located the week side of the heating element, the temperature sensing element is used for sensing the ambient temperature of the heating element, the temperature sensing element with controller electric connection, the controller receives the electrical signal of the temperature sensing element is in order to acquire the ambient temperature of the heating element, the controller basis the ambient temperature of the heating element determines the air flow velocity.

Further, the power supply device further comprises a switch assembly, the switch assembly is electrically connected with the controller, and the controller controls the power supply to supply electric energy to the atomizer according to an electric signal of the switch assembly.

Further, the switch assembly comprises a sensor, the sensor is in contact with the air flow in the first air flow passage, the sensor is used for detecting a sound signal in the first air flow passage, the sensor is electrically connected with the controller, and the controller controls the power supply of the power supply to the atomizer according to the sound signal in the first air flow passage.

Furthermore, the power supply device further comprises a flow guide piece and an induction shell, wherein the flow guide piece is connected with the induction shell, a flow guide cavity is formed in the flow guide piece, a through hole is formed in the induction shell, the gas flow detection chip is at least partially accommodated in the through hole, the flow guide cavity is communicated with the through hole, and the flow guide cavity and the through hole jointly form the first gas flow channel.

Furthermore, the flow guide piece comprises an assembly portion and a positioning portion, the assembly portion comprises an installation end and a liquid storage end, the liquid storage end is arranged at the lower end of the installation end, an inner cavity of the installation end is communicated with an inner cavity of the liquid storage end, the inner cavity of the liquid storage end is used for storing condensate, the positioning portion comprises a first connection end, the first connection end is arranged on the side portion of the installation end and connected with the induction shell, and the inner cavity of the first connection end is communicated with the through hole and the inner cavity of the installation end.

Further, the liquid storage end is detachably connected with the mounting end.

Further, a liquid suction piece is arranged in the inner cavity of the liquid storage end.

An aerosol generating device, aerosol generating device includes power supply unit and with power supply unit electric connection's atomizer, power supply unit be above-mentioned any power supply unit.

Further, the atomizer comprises a heating structure, an atomizing cavity and a second airflow channel, wherein the heating structure is at least partially accommodated in the atomizing cavity, the atomizing cavity is communicated with the second airflow channel, and the first airflow channel is communicated with the atomizing cavity, or the first airflow channel is communicated with the second airflow channel.

A method for controlling an aerosol-generating device, which is applied to any one of the aerosol-generating devices described above, comprising the steps of:

in the working process of the atomizer, the controller acquires the flow velocity of the airflow;

the controller calculates the product of the airflow flow rate and the power supply time of the power supply for supplying the electric energy to the atomizer, so as to determine the airflow when the atomizer works.

Further, after the controller obtains the flow rate of the air flow, the method further comprises the following steps: and the controller controls the output power of the power supply to the atomizer according to the flow rate of the air flow.

Further, after the controller obtains the flow rate of the air flow, the method further comprises the following steps: the controller obtains a consumption rate of the aerosol-forming substrate from the airflow rate.

Further, after the air flow when the atomizer works is determined, the method further comprises the following steps: the controller calculates the amount of smoke generated by the atomizer according to the air flow.

Further, after the controller obtains the flow rate of the air flow, the method further comprises the following steps: the controller controls the power supply of the power source to the atomizer according to the airflow rate.

The utility model discloses a power supply unit and adopt this power supply unit's aerosol generating device, gas flow detection chip are used for detecting the air current velocity of flow of air current through first air current channel, and the controller receives the signal of telecommunication of gas flow detection chip in order to acquire the air current velocity of flow to confirm the gas flow of atomizer during operation according to the air current velocity of flow, make the user can learn the gas flow of atomizer during operation, reached the effect of supplementary user control suction.

Drawings

Fig. 1 is a schematic structural diagram of an aerosol generating device according to a first embodiment of the present invention;

FIG. 2 is a cross-sectional view of the aerosol generating device of FIG. 1;

FIG. 3 is a partially exploded view of the power supply unit of the aerosol generating device of FIG. 1;

FIG. 4 is a partially exploded view from another perspective of the power supply device of the aerosol generating device of FIG. 1;

FIG. 5 is an exploded view of the power supply unit of the aerosol generating device of FIG. 1;

FIG. 6 is an exploded view from another perspective of the power supply device of the aerosol generating device of FIG. 1;

FIG. 7 is a flow chart of the aerosol generating device of FIG. 1 for determining the amount of smoke per unit time and the total smoke consumption based on the sensed amount of intake air;

FIG. 8 is an exploded view of the atomizer of the aerosol generating device of FIG. 1;

fig. 9 is a sectional view of an aerosol generating device according to a second embodiment of the present invention;

FIG. 10 is a cross-sectional view of an alternative viewing angle of the aerosol generating device of FIG. 9;

FIG. 11 is a cross-sectional view of yet another perspective of the aerosol generating device of FIG. 9;

FIG. 12 is a partially exploded view of the power supply unit of the aerosol generating device of FIG. 9;

FIG. 13 is a partially exploded view from another perspective of the power supply device of the aerosol generating device of FIG. 9;

FIG. 14 is an exploded view of the power supply unit of the aerosol generating device of FIG. 9;

fig. 15 is an exploded view from another perspective of the power supply device of the aerosol generating device of fig. 9.

The reference numbers in the drawings are as follows:

power supply device 20 atomizing chamber 11 of atomizer 10 of aerosol generating device 100

Second airflow channel 14 power supply body 209 of smoke outlet 13 of shell 12

First air flow channel 22 of shell 21 and light-transmitting member 2053 gas flow rate detection chip 24

Air inlet hole 211 induction shell 25 through hole 251 mounting groove 252

Sensor 27 power supply 28 sensor seal 29 of sensor channel 26

The communicating hole 291 is assembled with the groove 292 and the flow guiding part 202 of the bracket 201

Fixed part 2011 mounting part 2021 connecting part 2022 PCBA203

Electrode contact 2061 of electrode structure 206 of light guide element 205 of USB charging structure 204

Seal 207 magnetic member 208 reservoir assembly 101 atomizing assembly 102

Mounting hole 161 of liquid storage cavity 121 of ventilation piece 15 and liquid sealing piece 16

Liquid inlet hole 181 of heating structure 19 of atomizing shell 18 of base 17

Heating element 192 of liquid guiding element 191 of electrode element 172 of flow guiding hole 171

Mounting end 2023 liquid storage end 2024 of sealing sleeve 1021 sealing member 1022

First connection end 2025 second connection end 2026 first adapter 2027 second adapter 2028

Liquid absorbing piece 2029 air vent 2012 limit part 2013 sealing ring 2014

Light guide housing 2051 light guide 2052 airflow channel 200 switch assembly 210

Positioning part 2032 of guide cavity 2015 assembling part 2031

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example one

Referring to fig. 1, a first embodiment of the present invention provides an aerosol generating device 100, where the aerosol generating device 100 includes an atomizer 10 and a power supply device 20, and when the atomizer 10 is electrically connected to the power supply device 20, the atomizer 10 can heat a tobacco liquid under the electric drive of the power supply device 20, so that the tobacco liquid is atomized into a smoke.

It should be noted that "axial direction" refers to a connection direction of the atomizer 10 and the power supply device 20, and "radial direction" refers to a direction perpendicular to the "axial direction". The "lower end" refers to the end of each part of the atomizer 10, which is partially close to the power supply device 20 in the axial direction of the atomizer 10, and the "upper end" refers to the end of each part of the atomizer 10, which is partially away from the power supply device 20 in the axial direction of the atomizer 10. The "upper end surface" refers to a plane and/or a curved surface of the upper end, and the "lower end surface" refers to a plane and/or a curved surface of the lower end.

Referring to fig. 2, 5, 6 and 7, the atomizer 10 includes a liquid storage cavity 121, a heating structure 19, an atomizing cavity 11 and a second airflow channel 14, the liquid storage cavity 121 is used for storing an aerosol-forming substrate, the heating structure 19 is at least partially accommodated in the atomizing cavity 11, the heating structure 19 absorbs the aerosol-forming substrate in the liquid storage cavity 121 and heats the aerosol-forming substrate, gas and/or liquid particles formed by heating the aerosol-forming substrate flow into the atomizing cavity 11 and are mixed with air in the atomizing cavity 11 to form smoke, the second airflow channel 14 is communicated with the atomizing cavity 11, and the smoke in the atomizing cavity 11 flows out of the atomizer 10 through the second airflow channel 14.

The power supply device 20 includes a first gas flow path 22, a gas flow rate detection chip 24, a power supply 28, and a controller. The power supply 28 is used to provide power to the gas flow sensing chip 24, the controller, and the nebulizer 10. The outside air flows into the atomizer 10 through the first air flow passage 22, or the mist formed in the atomizer 10 flows out through the first air flow passage 22. The gas flow detection chip 24 is disposed in the first gas flow channel 22, the gas flow detection chip 24 is used for detecting the gas flow velocity V of the gas flow flowing through the first gas flow channel 22, and converting the gas flow velocity V signal into an electric signal, the gas flow detection chip 24 is electrically connected with the controller, the controller receives the electric signal of the gas flow detection chip 24 to obtain the gas flow velocity V, the controller further determines the gas flow V1 of the atomizer 10 during operation according to the gas flow velocity V, so that a user can know the gas flow V1 of the atomizer 10 during operation, and the effect of assisting the user in controlling suction is achieved. It will be appreciated that the time period during which the power supply 28 supplies power to the nebulizer 10 is the power supply time period t, and the controller calculates the product of the airflow rate V at which the power supply 28 supplies power to the nebulizer 10 and the power supply time period t, to determine the airflow rate V1, i.e., V1 ═ vt, at which the nebulizer 10 operates. It is understood that the electrical signal includes, but is not limited to, a voltage signal, or a current signal, or an electromagnetic wave signal.

In one embodiment, the airflow in airflow channel 200 is powered by the user's suction action on the air in second airflow channel 14. It will be appreciated that in other embodiments, the airflow in airflow channel 200 is powered by the suction action of the device on the air in second airflow channel 14.

In the present embodiment, the first airflow channel 22 is a channel through which the outside air flows to the atomizing chamber 11, and the second airflow channel 14 is a channel through which the smoke in the atomizing chamber 11 flows out to the outside of the atomizer 10, that is, the airflow sequentially flows through the first airflow channel 22, the atomizing chamber 11, and the second airflow channel 14. In other embodiments, the first airflow channel 22 is a channel through which the smoke generated by the atomizer 10 flows out, and the airflow passes through the atomizing chamber 11, the second airflow channel 14 and the first airflow channel 22 in sequence.

In one embodiment, the gas flow rate detecting chip 24 detects the instantaneous gas flow rate V0 every time the first interval time t1, calculates the product of the first interval time t1 and the instantaneous gas flow rate V0, and then adds up the above products in the power supply time period, thereby obtaining the gas flow rate V1, i.e., V1 ∑ (t1 ∑ V0), when the nebulizer 10 is operating. It is understood that shortening the first interval time t1 can improve the detection accuracy of the gas flow detecting chip 24, and thus improve the calculation accuracy of the gas flow V1 when the nebulizer 10 is in operation. In the present embodiment, the first interval time t1 is 5 ms.

In one embodiment, the gas flow detecting chip 24 includes a heat generating component and a temperature sensing component, the temperature sensing component is disposed on the periphery of the heat generating component, the temperature sensing component is used for detecting the ambient temperature of the heat generating component and converting the temperature into a corresponding electrical signal, the temperature sensing component is electrically connected to the controller, the controller receives the electrical signal of the temperature sensing component to obtain the ambient temperature of the heat generating component, and the controller determines the flow rate v of the gas flow according to the ambient temperature of the heat generating component. It is to be understood that the controller may query a first lookup table or a first lookup curve of the ambient temperature of the heat generating member and the airflow rate v to obtain the airflow rate v; the controller may also read a first conversion coefficient between the ambient temperature of the heat generating member and the flow velocity v of the air flow, and the controller may further calculate a product of the ambient temperature of the heat generating member and the first conversion coefficient to obtain the flow velocity v of the air flow. The aforementioned "look-up table" and "scaling factor" may be determined by a developer and/or user based on multiple trials or experience of use.

Specifically, when the gas flow rate detection chip 24 is in an operating state, the heat generating member generates heat, and external air flowing through the heat generating member takes away heat around the heat generating member and changes the thermal state distribution around the heat generating member, where the temperature around the heat generating member is negatively correlated with the airflow velocity v, that is, the higher the airflow velocity v, the lower the temperature around the heat generating member.

In one embodiment, the power supply device 20 further includes a switch assembly 210, and the switch assembly 210 is electrically connected to the controller, and the controller receives an electrical signal from the switch assembly 210 and controls the power supply 28 to supply power to the atomizer 10 according to the electrical signal from the switch assembly 210. Specifically, when the switch assembly 210 is in the open state, the controller receives the electrical signal of the switch assembly 210 and controls the power supply 28 to supply the power to the atomizer 10; when the switch assembly 210 is in the off state, the controller receives an electrical signal from the switch assembly 210 and controls the power supply 28 to stop supplying power to the nebulizer 10.

In one embodiment, the switch assembly 210 includes a sensor 27, the first air flow channel 22, the aerosolization chamber 11, and the second air flow channel 14 collectively define the air flow channel 200, the sensor 27 being in contact with gaseous and/or liquid particles within the air flow channel 200, the sensor 27 being configured to detect an acoustic signal within the air flow channel 200, the acoustic signal being generated by the air flow within the air flow channel 200, the sensor 27 converting the acoustic signal into an electrical signal, the sensor 27 being electrically coupled to the controller, the controller receiving the electrical signal from the sensor 27 to obtain the acoustic signal within the air flow channel 200, the controller controlling the supply of electrical power from the power source 28 to the nebulizer 10 based on the acoustic signal within the air flow channel 200. Specifically, when the controller obtains the sound signal of the airflow channel 200, that is, when the airflow in the airflow channel 200 flows, the controller controls the power supply 28 to supply the electric power to the atomizer 10; when the audible signal is removed, i.e., the airflow in the airflow path 200 stops, the controller controls the power supply 28 to stop supplying power to the nebulizer 10. It will be appreciated that the flow of air is started or stopped simultaneously with the operation of the atomizer 10. In this embodiment, the switch assembly 210 further includes a sensing channel 26, the sensing channel 26 is communicated with the airflow channel 200, and the sensor 27 is disposed in the sensing channel 26. Specifically, the sensing channel 26 communicates with the first air flow channel 22. In other embodiments, the sensing channel 26 communicates with the nebulization chamber 11, or the sensing channel 26 communicates with the second airflow channel 22.

The controller controls the sensor 27 to detect the sound signal in the air flow channel 200 every time the second interval time t2, and understandably, the second interval time t2 is shortened to improve the detection precision of the sensor 27, thereby improving the control precision of the controller. In the present embodiment, the second interval time t2 is 10 ms. The sound signal includes, but is not limited to, a sound pressure signal and the like. In the present embodiment, the sound signal is a sound pressure, a negative pressure is generated when the airflow flows in the airflow passage 200, and the sensor 27 detects a pressure difference between the negative pressure and a normal atmospheric pressure, thereby detecting the sound pressure signal. In the present embodiment, the sensor 27 is a microphone.

In another embodiment, the switch assembly 210, i.e., the gas flow sensing chip 24, controls the supply of electrical power from the power supply 28 to the nebulizer 10 based on the flow rate v of the gas flow. Specifically, when the controller obtains the airflow velocity v, the controller controls the power supply 28 to supply electric power to the atomizer 10; when the controller does not obtain the flow rate v of the air, the controller controls the power supply 28 to stop supplying power to the nebulizer 10. It will be appreciated that the flow of air is started or stopped simultaneously with the operation of the atomizer 10. The above mentioned controller does not obtain the flow velocity v of the air, i.e. the atomizer obtains zero flow velocity v of the air.

In another embodiment, the switch assembly 210 includes a switch electrically connected to the controller, the controller receives an electrical signal from the switch to obtain an operating state of the switch, and the controller controls the power supply 28 to supply power to the atomizer 10 according to the operating state of the switch. Specifically, when the switch is switched to the on state, the power supply 28 supplies power to the atomizer 10, the atomizer 10 operates and generates smoke, then the airflow in the airflow channel 200 flows and carries the smoke out of the atomizer 10, there is a time difference between a time point at which the atomizer 10 starts to operate and a time point at which the airflow starts to flow, or there is a time difference between a time point at which the airflow in the airflow channel 200 flows and then the switch is switched to the on state, the atomizer 10 operates and generates smoke, and there is a time difference between a time point at which the airflow starts to flow and a time point at which the atomizer 10 starts to operate.

In one embodiment, the controller calculates the amount of smoke V2 generated by the nebulizer 10 based on the amount of airflow V1 when the nebulizer 10 is operating. The aerosol-forming substrate is heated and vaporised, the vaporised aerosol-forming substrate absorbs heat from the air and forms liquid particles which mix with the air to form an aerosol, and the amount of aerosol V2 generated by the atomiser 10 is approximately equal to the airflow V1, i.e. V2 ≈ V1, since the liquid particles occupy a very small, near negligible volume in the aerosol. In other embodiments, the aerosol-forming substrate is heated and vaporised, the vaporised aerosol-forming substrate absorbs heat from the air and forms liquid particles which mix with the air to form an aerosol, and the amount of aerosol V2, i.e. V2-V1- β, generated by the atomiser 10 is obtained by multiplying the air flow V1 during operation of the atomiser 10 by a deviation factor β. The "deviation coefficient β" may be determined by a developer and/or a user based on a plurality of experiments or experience in use.

In the present embodiment, the flow path of the smoke in the second airflow path 14 is short, and the external air flows into the atomizing chamber 11 through the first airflow path 22 under the action of the suction action of the power source, and simultaneously the smoke generated by the atomizer 10 is pushed out of the atomizer 10 from the second airflow path 14 by the external air, and since the flow path of the smoke in the second airflow path 14 is short, the smoke in the second airflow path 14 flows out to the outside of the atomizer 10, and the smoke amount V2 generated by the atomizer 10 flows out to the outside of the atomizer 10.

In one embodiment, the controller controls the output power P of the power supply 28 to the nebulizer 10 according to the flow rate v of the external air flowing through the gas flow detecting chip 24. In order to ensure the taste and concentration of the smoke, the output power P of the power supply 28 to the atomizer 10 is positively correlated with the airflow velocity v, i.e., the faster the airflow velocity v, the greater the output power P of the power supply 28 to the atomizer 10; the slower the airflow velocity v, the less power P the power supply 28 outputs to the atomizer 10. It will be appreciated that the controller may query a second look-up table or curve of the airflow rate v and the power supply 28 to the power output P of the nebulizer 10 to obtain the power output P of the power supply 28 to the nebulizer 10; it is also possible that the controller reads a second scaling factor of the airflow rate v and the output power P of the power supply 28 to the nebulizer 10, and further the controller calculates the product of the airflow rate v and the second scaling factor to obtain the output power P of the power supply 28 to the nebulizer 10.

It can be understood that for the embodiment in which the switch assembly 210 includes a switch, that is, for the embodiment in which there is a time difference between the time point when the atomizer 10 starts to operate and the time point when the airflow starts to flow, when the switch is switched to the on state and the airflow does not flow, and the controller does not obtain the airflow flow rate v, the controller controls the output power P of the power supply 28 to the atomizer 10, where the output power P is zero, or the output power P is smaller, so that the problem of too high smoke concentration when the airflow flows again can be avoided.

Further, the controller obtains a consumption velocity v1 of the aerosol-forming substrate from a flow velocity v of external air flowing through the gas flow sensing chip 24. The consumption velocity v1 of the aerosol-forming substrate is positively correlated with the output power P of the power supply 28 to the nebulizer 10, and the airflow velocity v is positively correlated with the output power P of the power supply 28 to the nebulizer 10, so that the airflow velocity v is positively correlated with the consumption velocity v1 of the aerosol-forming substrate, i.e. the higher the electrical airflow velocity v, the higher the consumption velocity v1 of the aerosol-forming substrate; the slower the airflow velocity v, the smaller the consumption velocity v1 of the aerosol-forming substrate. It will be appreciated that the controller may consult a third look-up table or curve of airflow rate v against consumption velocity v1 of the aerosol-forming substrate to obtain consumption velocity v1 of the aerosol-forming substrate; it is also possible that the controller reads a third scaling factor for the airflow flow rate v and the consumption velocity v1 of the aerosol-forming substrate, and further the controller calculates the product of the airflow flow rate v and the third scaling factor to obtain the consumption velocity v1 of the aerosol-forming substrate.

Further, the atomizer 10 is heated to consume an amount of aerosol-forming substrate V4 and the controller calculates the product of the length of time t of power supply and the rate of consumption of aerosol-forming substrate V1 to yield an amount of aerosol-forming substrate V4 that the atomizer 10 is heated to consume, i.e. V4 ═ V1 ×.t. It will be appreciated that in one embodiment the gas flow sensing chip 24 senses the instantaneous airflow rate V0 once every first interval time t1, the controller derives the instantaneous consumption rate V10 of the aerosol-forming substrate from the airflow rate V by deriving the consumption rate V1 of the aerosol-forming substrate from the airflow rate V, calculates the product of the first interval time t1 and the instantaneous consumption rate V10 of the aerosol-forming substrate, and then sums the products over the power supply time period t to derive the amount V4 of aerosol-forming substrate consumed by the nebulizer 10 as a result of heating (t 4 ∑ (t1 x V10). It will be appreciated that shortening the first interval t1 may improve the accuracy of detection by the gas flow sensing chip 24 and thus the accuracy of the calculation of the amount V4 of aerosol-forming substrate consumed by the heating of the nebulizer 10.

Still further, the aerosol-forming substrate inventory in the nebulizer 10 is calibrated to be V5 and the amount of aerosol-forming substrate remaining in the nebulizer 10 is calibrated to be V6, and the controller calculates the difference between the aerosol-forming substrate inventory in the nebulizer 10, calibrated V5, and the amount of aerosol-forming substrate consumed by heating the nebulizer 10, V4, to obtain the amount of aerosol-forming substrate remaining in the nebulizer 10, V6, i.e. V6-V5-V4. It will be appreciated that in one embodiment, the power supply unit 20 is only capable of identifying the certified nebulizer 10, and the calibrated aerosol-forming substrate volume V5 in the certified nebulizer 10 is a fixed value that is set by the developer and stored in the power supply unit 20 for the controller to read. In other embodiments, the power supply device 20 may identify the aerosol-forming substrate inventory calibration V5 in the nebulizer 10 by identifying an electronic tag or the like. In other embodiments, the power supply means 20 further comprises an input means by which a user inputs the calibrated aerosol-forming substrate inventory V5 in the nebulizer 10 into the power supply means 20. It is to be understood that the input device may be any one of a physical key, a touch screen, a microphone, etc., or any combination of a plurality of devices.

In one embodiment, the controller controls the amount of power output P from the power source 28 to the nebulizer 10 based on the intensity of the sound signal detected by the sensor 27. It is to be understood that the controller may query a fourth comparison table or curve of the intensity of the sound signal detected by the sensor and the magnitude of the output power P of the power source 28 to the nebulizer 10 to determine the magnitude of the output power P of the power source 28 to the nebulizer 10; it is also possible that the controller reads a fourth scaling factor between the intensity of the sound signal detected by the sensor and the magnitude of the output power of the power supply 28 to the nebulizer 10, and further the controller calculates the product of the intensity of the sound signal detected by the sensor and the fourth scaling factor to determine the magnitude of the output power of the power supply 28 to the nebulizer 10.

Further, the controller obtains the consumption velocity v1 of the aerosol-forming substrate from the intensity of the sound signal detected by the sensor 27. This is done in substantially the same way as the controller obtains the consumption velocity v1 of the aerosol-forming substrate from the flow velocity v of the external air flowing through the gas flow detecting chip 24, and will not be described in detail here.

In one embodiment, the power supply device 20 includes a reminder electrically connected to the controller, the reminder being used to prompt a user of the operating status of the aerosol generating device 100 or the usage status of the aerosol generating device. The reminding mode of the reminding device can be any one of visual reminding, vibration reminding, voice reminding and the like, or the combination of any plurality of reminding modes, and the reminding device can be any one of devices such as an indicator light, a display screen, a vibrator, a loudspeaker and the like, or the combination of any plurality of devices corresponding to the reminding mode. One of the specific implementations is: when the amount of aerosol-forming substrate consumed by heating V4 by the nebulizer 10 as described above exceeds the first alert value V7, i.e. V4 ≧ V7, the reminder device issues a reminder to the user to pay attention to the intake of the aerosol-forming substrate. Another specific implementation is as follows: when the amount V6 of aerosol-forming substrate remaining in the nebulizer 10 is less than the second warning value V8, i.e. V6 is less than or equal to V8, the reminder device gives a reminder to the user to pay attention to the amount V6 of aerosol-forming substrate remaining in the nebulizer 10, reminding the user to prevent the nebulizer 10 from being burned dry even if the aerosol-forming substrate is added or the nebulizer 10 is replaced.

Referring to fig. 2-7, the power supply device 20 includes a power supply main body 209, the power supply main body 209 includes a housing 21 and an induction housing 25 installed in the housing 21, the housing 21 is provided with an air inlet 211 communicated with the outside, the induction housing 25 is respectively provided with a through hole 251 and a mounting groove 252, the through hole 251 is communicated with the air inlet 211, the through hole 251 forms at least a part of the first air flow channel 22, the mounting groove 252 is communicated with the through hole 251, and the air flow rate detection chip 24 is installed in the mounting groove 252 and at least partially accommodated in the through hole 251.

The power supply unit 20 further comprises a sensor seal 29 mounted in the housing 21, a sensing channel 26 communicating with the air flow channel 200 is provided in the sensor seal 29, a sensor 27 is provided in the sensing channel 26, and a power supply 28 supplies power to the atomizer 10 when the sensor detects a suction signal.

In one embodiment, the sensor seal 29 is formed with a communication hole 291 and a fitting groove 292, respectively, the communication hole 291 communicates with the first air flow passage 22 and the fitting groove 292 to form a sensing passage 26, and the sensor 27 is mounted in the fitting groove 292. In one embodiment, the sensor seal 29 is made of a material having a good sealing property such as silicon rubber or rubber in order to improve the airtightness.

In one embodiment, the sensor 27 is a differential pressure sensor, and the end of the sensing channel 26 remote from the first airflow channel 22 is sealed by a sensor seal 29 to prevent the sensor 27 from detecting an airflow signal when the power supply unit 20 is at rest.

The power supply main body 209 is still including locating the support 201 in the casing 21, be equipped with water conservancy diversion spare 202 on the support 201, the inner chamber of water conservancy diversion spare 202 is water conservancy diversion chamber 2015, water conservancy diversion chamber 2015 communicates through-hole 251 and atomizing chamber 11, water conservancy diversion chamber 2015 constitutes a part of first air current channel 22, through-hole 251 constitutes first air current channel 22 with water conservancy diversion chamber 2015 jointly, response passageway 26 and water conservancy diversion chamber 2015 intercommunication inlet port 211 and response passageway 26, and then make water conservancy diversion chamber 2015 communicate inlet port 211 and response passageway 26. It will be appreciated that in one embodiment, not shown, the baffle 202 is integrally formed with the induction housing 25.

In this embodiment, one end of the guide member 202 is connected to the induction housing 25, the other end of the guide member 202 is connected to the sensor seal 29, and the guide chamber 2015 communicates the through hole 251 and the communication hole 291.

In one embodiment, the bracket 201 and the housing 21 are detachably connected by a snap-fit or a plug-in connection, and it is understood that in another embodiment, the bracket 201 and the housing 21 are integrally formed.

The upper end of the bracket 201 protrudes downwards along the axial direction to form a fixing part 2011, the flow guide element 202 comprises a mounting part 2021 and a connecting part 2022, the mounting part 2021 is sleeved on the fixing part 2011, an inner cavity of the mounting part 2021 is communicated with an inner cavity of the fixing part 2011, the connecting part 2022 is arranged on the mounting part 2021, an inner cavity of the connecting part 2022 is communicated with the inner cavity of the mounting part 2021, the sensing shell 25 is connected with one end of the connecting part 2022, the sensor sealing element 29 is connected with the other end of the connecting part 2022, and the inner cavity of the connecting part 2022 is. Specifically, the connecting portion 2022 is disposed horizontally in the housing 21, the connecting portion 2022 is disposed at the lower end of the mounting portion 2021, and the sensor seal 29 and the sensing housing 25 are mounted at opposite ends of the connecting portion 2022, respectively.

The power supply device 20 further comprises a PCBA (PRINTED CIRCUIT BOARD ASSEMBLY) 203, a USB (UNIVERSAL SERIAL BUS) charging structure 204, a light guiding element 205 and an electrode structure 206 arranged in the housing 21, wherein the PCBA203 and the electrode structure 206 are mounted on the support 201.

The controller is installed on the PCBA203, the USB charging structure 204, and the light guide element 205 are all electrically connected to the power supply 28, and the controller can control the power supply 28 to supply power to the light guide element 205.

The charging interface in the USB charging structure 204 passes through the housing 21 and extends to the outside, and when the charging interface is triggered, the power supply device 20 can be charged through the charging interface.

In one embodiment, the light guide element 205 is an LED light, and the functions of the light guide element 205 include at least one of prompting the user that the stored tobacco liquid in the atomizer 10 is exhausted, prompting the user that the aerosol generating device 100 has an amount of smoke per unit time, and powering on and lighting the light guide element 205 during smoking.

The electrode structure 206 includes two electrode contacts 2061, the two electrode contacts 2061 are mounted at the upper end of the bracket 201, and the two electrode contacts 2061 are electrically connected to the positive and negative electrodes of the power supply 28 through the PCBA 203.

In one embodiment, a sealing seat 207 is interposed between the bracket 201 and the housing 21, and the sealing seat 207 is used for sealing a gap between the bracket 201 and the housing 21 to improve air tightness. Specifically, the sealing seat 207 is sleeved at the upper end of the bracket 201, and the sealing seat 207 is made of a material with good sealing property, such as silica gel.

In one embodiment, the power supply device 20 and the atomizer 10 are detachably connected, and the detachable connection includes, but is not limited to, a snap-fit connection or a plug-in connection. In the present embodiment, the magnetic member 208 is disposed on the bracket 201, and the magnetic member 208 is magnetically connected to the housing 12 to firmly connect the power supply device 20 and the atomizer 10.

Referring to fig. 2 and 8, the atomizer 10 includes a liquid storage assembly 101 and an atomizing assembly 102 having an atomizing chamber 11, the liquid storage assembly 101 includes a housing 12, a vent 15 disposed in the housing 12, and a liquid sealing member 16 accommodated in the housing 12. The inner cavity of the shell 12 is a liquid storage cavity 121 for storing tobacco juice, and the shell 12 is provided with a smoke outlet 13. One end of the air vent 15 is connected with the shell 12, the other end of the air vent 15 is connected with the liquid storage assembly 101, the inner cavity of the air vent 15 is a second air flow channel 14, and the second air flow channel 14 is communicated with the atomization cavity 11 and the smoke outlet 13. The atomization component 102 can absorb the tobacco juice in the liquid storage cavity 121 and heat the tobacco juice under the electric drive of the power supply device 20, the tobacco juice is heated to generate smoke, the smoke sequentially passes through the second airflow channel 14 and the smoke outlet 13 to flow out, and a user can suck the smoke generated by atomization through the smoke outlet 13.

In one embodiment, the ventilation member 15 is formed by projecting downward in the axial direction of the housing 12 around the wall of the smoke outlet 13, and the ventilation member 15 is integrally formed with the housing 12. Specifically, the smoke outlet 13 is opened at the upper end of the housing 12. It will be appreciated that in another embodiment, the vent 15 and housing 12 may be removably connected by a snap-fit or bayonet connection, for example.

In one embodiment, the side of the liquid sealing member 16 abuts against the wall of the liquid storage chamber 121 to seal the open end of the housing 12, the liquid sealing member 16 is provided with a mounting hole 161 for mounting the atomizing assembly 102, and the mounting hole 161 is communicated with the liquid storage chamber 121. Through the tensioning cooperation between the liquid sealing piece 16 and the wall of the liquid storage cavity 121 cavity, the gap between the side of the liquid sealing piece 16 and the wall of the liquid storage cavity 121 cavity can be sealed, and the smoke liquid in the liquid storage cavity 121 is prevented from leaking to the outside through the gap. It is understood that in another embodiment, the liquid seal 16 may also be integrally formed with the housing 12.

The atomizing assembly 102 includes a base 17, an atomizing housing 18, and a heating structure 19. Base 17 and shell 12 are connected, and atomizing casing 18 installs on base 17, and atomizing casing 18's inner chamber is atomizing chamber 11, sets up the feed liquor hole 181 that communicates stock solution chamber 121 and atomizing chamber 11 on atomizing casing 18, and heating structure 19 is located in atomizing chamber 11.

In one embodiment, the base 17 and the housing 12 are removably connected by snap-fit or bayonet-fit, or the like. It will be appreciated that in another embodiment, the base 17 and the housing 12 are integrally formed.

The base 17 is provided with a flow guide hole 171 for communicating the atomizing chamber 11 with the inner cavity of the fixing portion 2011, so that the flow guide hole 171 communicates the atomizing chamber 11 with the first air flow passage 22. Two electrode elements 172 are spaced apart from each other on the base 17, one end of each electrode element 172 is electrically connected to the heating structure 19, the other end of each electrode element 172 is electrically connected to the electrode contact 2061, one of the electrode elements 172 serves as a positive electrode contact, the other electrode element 172 serves as a negative electrode contact, and both electrode elements 172 are made of an electrically conductive material such as iron, cobalt, or nickel.

The atomization shell 18 is arranged in the mounting hole 161, the lower end of the atomization shell 18 is connected with the base 17, the side part of the atomization shell 18 is abutted against the hole wall of the mounting hole 161, and the upper end of the atomization shell 18 is connected with the ventilation piece 15, so that the atomization cavity 11 is communicated with the second airflow channel 14. The connection mode of the atomizing housing 18 and the base 17 includes, but is not limited to, a snap-fit or plug-in connection mode, and the connection mode of the atomizing housing 18 and the vent 15 includes, but is not limited to, a snap-fit or plug-in connection mode. It will be appreciated that in another embodiment, the atomizing housing 18 is integrally formed with the base 17, or the atomizing housing 18 is integrally formed with the vent 15.

In one embodiment, the atomizing housing 18 is sleeved on the vent 15 and the base 17 at opposite ends thereof. The side of the atomizing housing 18, the side of the vent 15, the upper end face of the liquid sealing member 16 and the inner wall of the housing 12 together enclose a chamber, which is a liquid storage chamber 121. It can be understood that the liquid inlet hole 181 is multiple (i.e., three or more), and the multiple liquid inlet holes 181 are uniformly arranged along the circumference of the atomizing housing 18, so that the smoke liquid in the liquid storage chamber 121 can uniformly flow into the atomizing housing 18.

The heating structure 19 is arranged in the atomizing chamber 11, and the side portion of the heating structure 19 can abut against the inner surface of the atomizing housing 18, so that the atomizing housing 18 can limit the radial displacement of the heating structure 19. The heating structure 19 includes a liquid guiding member 191 and a heating member 192, and the heating member 192 is in contact with the liquid guiding member 191. In one embodiment, the liquid guiding member 191 is coated on the heating member 192, the liquid guiding member 191 is disposed between the atomizing housing 18 and the heating member 192, the outer circumferential surface of the liquid guiding member 191 is attached to the inner circumferential surface of the atomizing housing 18, so that the smoke liquid in the liquid storage chamber 121 can be smoothly adsorbed by the liquid guiding member 191 through the liquid inlet hole 181, the liquid guiding member 191 guides the adsorbed smoke liquid to the heating member 192, and the smoke generated by heating the smoke liquid by the heating member 192 is mainly located in the atomizing chamber 11.

The liquid guide 191 is made of a material which is easy to absorb liquid, such as cotton, cotton cloth or porous ceramic. In one embodiment, fluid-conducting member 191 is a porous ceramic.

The heating member 192 may be a heating net or a heating wire, etc. The heating member 192 may be made of stainless steel or nichrome. When the heating member 192 is mounted in place, the two legs of the heating member 192 are electrically connected to the two electrode members 172, respectively, and thus the atomizer 10 is electrically connected to the power supply unit 20.

In one embodiment, a sealing sleeve 1021 is interposed between the atomizing housing 18 and the vent 15, and the sealing sleeve 1021 may improve the air tightness between the atomizing housing 18 and the vent 15 to prevent air leakage. It can be understood that the sealing sleeve 1021 is made of a material with good sealing performance, such as silicon rubber or rubber.

In one embodiment, a sealing member 1022 is interposed between the housing 12 and the base 17, the sealing member 1022 can improve the sealing property between the housing 12 and the base 17, and in addition, the sealing member 1022 can prevent the housing 12 and the base 17 from being in rigid contact, which affects the service life. It is understood that the sealing member 1022 is made of a material with good sealing property such as silicone rubber or rubber.

In the power supply device 20 and the aerosol generating device 100 using the power supply device 20 of the present invention, the gas flow detection chip 24 is used for detecting the flow velocity of the gas flowing through the first gas flow channel 22, the controller receives the electrical signal of the gas flow detection chip 24 to obtain the flow velocity V of the gas, and determines the flow V1 of the atomizer 10 during operation according to the flow velocity V of the gas, so that the user can know the flow V1 of the atomizer 10 during operation, and the effect of assisting the user in controlling suction is achieved; the controller can determine the smoke amount V2 generated by the atomizer 10 according to the air flow V1 when the atomizer 10 works; the controller can control the output power P of the power supply 28 to the atomizer 10 according to the flow velocity v of the external air flowing through the air flow detection chip 24; the controller is capable of deriving a consumption velocity v1 of the aerosol-forming substrate from a flow velocity v of external air through the gas flow sensing chip 24; further, the controller is capable of determining the consumption velocity V1 of the aerosol-forming substrate, the amount V4 by which the nebulizer 10 heats up and consumes the aerosol-forming substrate; further, the controller is able to determine the amount V6 of aerosol-forming substrate remaining in the nebulizer 10 as a function of the amount V4 of aerosol-forming substrate consumed by heating of the nebulizer 10.

Example two

Referring to fig. 9-15, an aerosol generating device 100 according to a second embodiment of the present invention is different from the aerosol generating device 100 according to the first embodiment in that: the diversion part 202 comprises an assembling part 2031 and a positioning part 2032, the assembling part 2031 comprises an installation end 2023 and a liquid storage end 2024, the installation end 2023 is connected with the bracket 201, the liquid storage end 2024 is arranged at the lower end of the installation end 2023, the inner cavity of the installation end 2023 is communicated with the atomizing cavity 11 and the inner cavity of the liquid storage end 2024, the inner cavity of the liquid storage end 2024 is used for storing condensate, the inner cavity of the installation end 2023 and the inner cavity of the liquid storage end 2024 jointly form a diversion cavity 2015, the positioning part 2032 comprises a first connection end 2025 and a second connection end 2026, the first connection end 2025 and the second connection end 2026 are arranged at the side part of the installation end 2023 at intervals, the first connection end 2025 is used for being, when the sensing shell 25 is connected in place, the inner cavity of the first connecting end 2025 is communicated with the inner cavity of the mounting end 2023 and the through hole 251, the second connecting end 2026 is used for connecting with the sensor sealing member 29, when the sensor seal 29 is attached in place, the lumen of the second connection end 2026 communicates with the lumen of the mounting end 2023 and the sensing channel 26. Because the induction housing 25 and the sensor sealing member 29 are connected to the side of the flow guide member 202, when the aerosol generating device is stationary, the condensed smoke liquid in the second airflow channel 14 flows into the liquid storage end 2024 through the inner cavity of the mounting end 2023, which can prevent the condensed smoke liquid from flowing onto the gas flow rate detecting chip 24 and the sensor 27 and affecting the normal operation of the gas flow rate detecting chip 24 and the sensor 27.

The liquid storage end 2024 is detachably connected to the mounting end 2023 by means of clamping or insertion, in this embodiment, the liquid storage end 2024 is sleeved on the lower end of the mounting end 2023, and the setting position of the first connection end 2025 is higher than the setting position of the second connection end 2026.

In one embodiment, the first connection end 2025 is mounted with a first adaptor 2027, an end of the first adaptor 2027 away from the first connection end 2025 is connected to the sensing housing 25, and an inner cavity of the first adaptor 2027 is communicated with the through hole 251 and the inner cavity of the mounting end 2023. It will be appreciated that in another embodiment, the reservoir end 2024 and the mounting end 2023 are integrally formed.

In one embodiment, a second adaptor 2028 is further disposed on the induction housing 25, the second adaptor 2028 is mounted on the induction housing 25, and an inner cavity of the second adaptor 2028 is communicated with the air inlet hole 211 and the through hole 251.

In one embodiment, the diversion member 202, the first adapter 2027, and the second adapter 2028 are made of a material with good sealing properties, such as silicone or rubber.

In one embodiment, a liquid absorbing member 2029 is disposed in the cavity of the reservoir end 2024, and the liquid absorbing member 2029 is used for absorbing the condensed smoke liquid flowing into the cavity of the reservoir end 2024. Specifically, the liquid absorbing member 2029 is made of a material such as cotton or cotton cloth which easily absorbs liquid. When the reservoir end 2024 and the mounting end 2023 are removably attached, the reservoir end 2024 can be cleaned and/or the absorbent member 2029 can be replaced by detaching the reservoir end 2024 from the mounting end 2023.

In one embodiment, the bracket 201 is opened with an air vent 2012 communicating the air inlet hole 211 and the through hole 251. Spacing portion 2013 is equipped with to the support 201 epirelief, and the inner chamber of spacing portion 2013 and the inner chamber of fixed part 2011 communicate, installs on power supply unit 20 as atomizer 10, and spacing portion 2013 is worn to establish to base 17 in by the below of base 17, and the inner chamber of spacing portion 2013 communicates the inner chamber and the water conservancy diversion hole 171 of fixed part 2011, specifically, and spacing portion 2013 is protruding to be located on the up end of support 201.

In one embodiment, a seal 2014 is interposed between the limiting portion 2013 and the base 17, and the seal 2014 is used for sealing a gap between the limiting portion 2013 and the base 17 so as to improve air tightness. Specifically, the sealing ring 2014 is made of a material with good sealing performance, such as silica gel or rubber.

In one embodiment, the light guide element 205 includes a light guide housing 2051, a light guide member 2052 disposed on one side of the light guide housing 2051, and a light transmission member 2053 disposed on the other side of the light guide housing 2051, where the number of the light guide members 2052 is at least one, and when the number of the light guide members 2052 is two or more, the light transmission member 2053 is disposed between two adjacent light guide members 2052, when the light guide element 205 is powered on to emit light, the light emitted by the light guide member 2052 can be perceived by a user through the light transmission member 2053, and furthermore, the intensity of the light emitted by the light guide member 2052 is weakened after the light penetrates through the light transmission member 2053, so that the light guide element is. Specifically, the light guide 2052 is an LED lamp, and the light transmissive 2053 is made of a transparent material.

The above embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A power supply device for an aerosol generating device, the aerosol generating device comprising an atomizer and the power supply device, wherein: the power supply device comprises a first airflow channel, an airflow detection chip, a power supply and a controller, wherein the power supply is used for supplying electric energy to the airflow detection chip, the controller and the atomizer, external air flows into the atomizer through the first airflow channel, or smoke formed in the atomizer flows out through the first airflow channel, the airflow detection chip is arranged in the first airflow channel and is used for detecting the airflow speed of airflow flowing through the first airflow channel, the airflow detection chip is electrically connected with the controller, and the controller receives the electric signal of the airflow detection chip so as to obtain the airflow speed and determine the airflow quantity during the operation of the atomizer according to the airflow speed.

2. The power supply device according to claim 1, wherein: the gas flow detection chip is including generating heat and temperature sensing piece, temperature sensing piece is located generate heat week side of piece, temperature sensing piece is used for the sensing generate heat the ambient temperature of piece, temperature sensing piece with controller electric connection, the controller is received the signal of telecommunication of temperature sensing piece is in order to acquire generate heat the temperature around the piece, the controller basis generate heat the temperature around the piece and confirm the air current velocity of flow.

3. The power supply device according to claim 1, wherein: the power supply device further comprises a switch assembly, the switch assembly is electrically connected with the controller, and the controller controls the power supply to supply electric energy to the atomizer according to the electric signal of the switch assembly.

4. The power supply device according to claim 3, wherein: the switch assembly comprises a sensor, the sensor is in contact with the airflow in the first airflow channel and is used for detecting the sound signal in the first airflow channel, the sensor is electrically connected with the controller, and the controller controls the power supply of the power supply to the atomizer according to the sound signal in the first airflow channel.

5. The power supply device according to claim 1, wherein: the power supply device further comprises a flow guide piece and an induction shell, the flow guide piece is connected with the induction shell, a flow guide cavity is formed in the flow guide piece, a through hole is formed in the induction shell, at least part of the gas flow detection chip is contained in the through hole, the flow guide cavity is communicated with the through hole, and the flow guide cavity and the through hole jointly form the first gas flow channel.

6. The power supply device according to claim 5, wherein: the flow guide piece comprises an assembly portion and a positioning portion, the assembly portion comprises an installation end and a liquid storage end, the liquid storage end is arranged at the lower end of the installation end, an inner cavity of the installation end is communicated with an inner cavity of the liquid storage end, the inner cavity of the liquid storage end is used for storing condensate, the positioning portion comprises a first connecting end, the first connecting end is arranged on the side portion of the installation end and connected with the induction shell, and the inner cavity of the first connecting end is communicated with the through hole and the inner cavity of the installation end.

7. The power supply device according to claim 6, wherein: the liquid storage end is detachably connected with the mounting end.

8. The power supply device according to claim 6, wherein: and a liquid suction piece is arranged in the inner cavity of the liquid storage end.

9. An aerosol generating device, comprising: the aerosol generating device comprises a power supply device and an atomizer electrically connected with the power supply device, wherein the power supply device is as defined in any one of claims 1 to 8.

10. An aerosol generating device according to claim 9, wherein: the atomizer comprises a heating structure, an atomizing cavity and a second airflow channel, wherein at least part of the heating structure is accommodated in the atomizing cavity, the atomizing cavity is communicated with the second airflow channel, and the first airflow channel is communicated with the atomizing cavity or the second airflow channel.