WO2022165674A1

WO2022165674A1 - Atomizer, electronic atomization device, and atomization method for aerosol-generating substrate

Info

Publication number: WO2022165674A1
Application number: PCT/CN2021/075093
Authority: WO
Inventors: 刘成川; 龚博学; 姜茹; 赵月阳; 雷桂林
Original assignee: 深圳麦克韦尔科技有限公司
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2022-08-11

Abstract

An atomizer (10), an electronic atomization device, and an atomization method for an aerosol-generating substrate. The atomizer (10) comprises a bubble flow cavity (11) and a bubble flow spray head (12), wherein the bubble flow cavity (11) is used for mixing an aerosol-generating substrate with gas to form a bubble flow; and the bubble flow spray head (12) is in communication with the bubble flow cavity (11) and is used for spraying the bubble flow to form an aerosol. The atomizer (10) can not only effectively increase the atomization amount of the aerosol, but also uniformly spray out various components of the aerosol-generating substrate.

Description

Atomizer, electronic atomization device, and atomization method of aerosol-generating substrate

【Technical field】

The invention relates to the technical field of atomization equipment, in particular to an atomizer, an electronic atomization device and an atomization method for an aerosol-generating substrate.

【Background technique】

A nebulizer is a device that atomizes an aerosol-generating substrate into an aerosol, which is widely used in medical equipment and electronic atomization devices.

At present, atomizers are generally based on porous ceramics and heating surfaces to atomize the aerosol-forming matrix and form an aerosol; but using porous ceramics for atomization, the components of the aerosol-forming matrix are transported in the ceramic during the boiling process. This is not uniform; and the particle size of the aerosol formed by atomization is difficult to control; and the nebulizer that atomizes the aerosol-forming substrate based on the negative pressure-driven jet method used in medical treatment, which is used in the atomization of high-viscosity. When the aerosol forms the matrix, there is less atomization and more noise.

[Content of the Invention]

The present application provides an atomizer, an electronic atomization device, and an atomization method for an aerosol-generating substrate, which can solve the problem of a small amount of atomization when atomizing a high-viscosity aerosol in an existing atomizer.

In order to solve the above technical problems, the first technical solution adopted in this application is to provide an atomizer. The atomizer includes a bubble flow cavity and a bubble flow jet head; wherein, the bubble flow cavity is used to mix the aerosol generating substrate with the gas to form a bubble flow; the bubble flow spray head communicates with the bubble flow cavity and is used for A stream of bubbles is jetted and an aerosol is formed.

In order to solve the above technical problems, the second technical solution adopted in this application is to provide an electronic atomization device. The electronic atomization device includes an atomizer and a power supply assembly; wherein the atomizer is the aforementioned atomizer; the power supply assembly is connected to the atomizer for supplying power to the atomizer.

In order to solve the above-mentioned technical problems, the third technical solution adopted in this application is to provide an atomization method for an aerosol-generating substrate. The method includes: mixing an aerosol generating substrate with a gas through a bubble flow cavity to form a bubble flow; and spraying the bubble flow through a bubble flow jet head to form an aerosol.

The atomizer, the electronic atomization device and the atomization method of the aerosol generation substrate provided by the present application, the atomizer is provided with a bubble flow cavity, so that the aerosol generation substrate and the gas are mixed and the bubble flow is formed; at the same time, by A bubble flow jet head is set, and the bubble flow jet head is communicated with the bubble flow cavity, so as to spray the bubble flow through the bubble flow jet head and form an aerosol; wherein, because the aerosol generation matrix is mixed with the gas before the spray atomization and forms Bubble flow to realize atomization by utilizing the surface tension of the bubble flow, so as to reduce the influence of the viscosity of the aerosol-generating matrix on the atomization process, and at the same time, it can not only effectively increase the amount of aerosol atomization, but also make the aerosol generation The components of the matrix are sprayed out uniformly.

[Description of drawings]

1 is a schematic structural diagram of an electronic atomization device provided by an embodiment of the application;

2 is a schematic structural diagram of an atomizer provided by an embodiment of the application;

3 is a schematic diagram of bubble atomization provided by an embodiment of the present application;

4 is a schematic structural diagram of an atomizer provided by another embodiment of the application;

5 is a schematic structural diagram of an atomizer provided by another embodiment of the application;

6 is a flowchart of an atomization method for an aerosol-generating matrix provided by an embodiment of the application;

FIG. 7 is a flowchart of a method for atomizing an aerosol-generating substrate according to an embodiment of the present application.

【Detailed ways】

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

The terms "first", "second" and "third" in this application are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", "third" may expressly or implicitly include at least one of that feature. In the description of the present application, "a plurality of" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined. All directional indications (such as up, down, left, right, front, rear...) in the embodiments of the present application are only used to explain the relative positional relationship between components under a certain posture (as shown in the accompanying drawings). , motion situation, etc., if the specific posture changes, the directional indication also changes accordingly. Furthermore, the terms "comprising" and "having", and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally also includes For other steps or units inherent to these processes, methods, products or devices.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor a separate or alternative embodiment that is mutually exclusive of other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

The present application will be described in detail below with reference to the accompanying drawings and embodiments.

Please refer to FIG. 1 , which is a schematic structural diagram of an electronic atomization device according to an embodiment of the present application; in this embodiment, an electronic atomization device 100 is provided. The electronic atomization device 100 can be used to heat and atomize an aerosol-generating substrate to form an aerosol for the user to inhale; wherein, the electronic atomization device 100 can specifically be an electronic cigarette, a portable medical atomizer, and aerosol generation The substrate can specifically be e-liquid, medicinal liquid or other liquid that can be smoked after being aerosolized.

Specifically, the electronic atomization device 100 includes an atomizer 10 and a host 20 . The atomizer 10 and the host 20 are detachably connected. Wherein, the atomizer 10 is used to heat and atomize the aerosol-generating substrate when powered on; the main unit 20 is provided with a power supply assembly, and the atomizer 10 is plugged into one end port of the main unit 20 and connected to the power supply component in the main unit 20 , to supply power to the atomizer 10 through the power supply assembly. When the atomizer 10 needs to be replaced, the atomizer 10 can be disassembled and a new atomizer 10 can be installed on the main unit 20 to realize the repeated use of the main unit 20.

Of course, the electronic atomization device 100 also includes other components in the existing electronic atomization device, such as a microphone head, a bracket, etc., the specific structures and functions of these components are the same as or similar to those in the prior art. For details, please refer to the prior art , and will not be repeated here.

In a specific embodiment, please refer to FIG. 2 , which is a schematic structural diagram of an atomizer according to an embodiment of the application; the atomizer 10 may specifically include a bubble flow cavity 11 , a bubble flow spray head 12 , and a gas storage The cavity 13 , the liquid storage cavity 14 and the pressure vessel 15 .

Wherein, the bubble flow chamber 11 is used to mix the aerosol generation substrate with the gas and form a bubble flow; wherein, the viscosity of the aerosol generation substrate may be a high viscosity aerosol generation substrate with a viscosity of not less than 200cps; in a specific embodiment, When the flowing aerosol-generating substrate is in contact with the gas, the two form a plurality of air bubbles 31, and the several air bubbles 31 converge with the flow of the aerosol-generating substrate to form a bubble flow.

Specifically, the bubble flow chamber 11 may be a columnar body structure with an accommodating cavity, and the aerosol-generating matrix and the gas are specifically mixed in the accommodating cavity to form a bubble flow.

Among them, the bubble jet head 12 can be specifically arranged at one end of the bubble flow cavity 11 , corresponding to the middle position of the bubble flow cavity 11 , and communicated with the bubble flow cavity 11 , and is used for spraying the bubble flow to form gas by atomization. Sol 41; specifically, see FIG. 3, which is a schematic diagram of bubble atomization provided by an embodiment of the application; the bubble jet head 12 is formed with a through hole, and when the bubble flow in the bubble flow cavity 11 passes through the through hole , the hole wall of the through hole is stretched and deformed, and it ruptures at one end port of the through hole away from the bubble flow cavity 11, thereby forming aerosol 41 with a smaller particle size; Tension realizes atomization, which can not only reduce the influence of the viscosity of the aerosol generation matrix on the atomization process, but also effectively increase the atomization amount of the aerosol 41, and enable the components of the aerosol generation matrix to be uniformly taken out, ensuring that the Consistency of taste.

Specifically, the radial dimension of the through hole gradually decreases from the end close to the bubble flow chamber 11 to the end away from the bubble flow chamber 11 , so as to use the surface of the bubbles 31 to atomize the aerosol 41 to form the matrix. Of course, the radial dimension of the through hole remains unchanged from the end close to the bubble flow cavity 11 to the end away from the bubble flow cavity 11 , that is, the through hole is an equal diameter hole.

Among them, the gas storage chamber 13 is communicated with the bubble flow chamber 11 for storing gas; the liquid storage chamber 14 is used for storing the aerosol generating matrix; the pressure vessel 15 is communicated with the gas storage chamber 13 and the liquid storage chamber 14, It is used to drive the gas in the gas storage chamber 13 to flow to the bubble flow chamber 11, and to drive the aerosol generation matrix in the liquid storage chamber 14 to flow to the bubble flow chamber 11, so that the aerosol entering the bubble flow chamber 11 is generated. The matrix contacts the gas entering the bubble flow chamber 11 and forms several bubbles 31 .

In a specific embodiment, the gas storage cavity 13 is disposed outside the bubble flow cavity 11, and has a first common wall with the bubble flow cavity 11, and a plurality of first communication holes are opened on the first common wall to The air storage cavity 13 and the bubble flow cavity 11 are communicated, so that the gas in the air storage cavity 13 can enter the bubble flow cavity 11 through the first communication hole; it can be understood that the direction of the air bubble 31 in the first communication hole A port at one end of the accommodating cavity is formed.

Specifically, in the embodiment, referring to FIG. 2 , the gas storage cavity 13 is disposed along the periphery of the bubble flow cavity 11 and surrounds the periphery of the bubble flow cavity 11 . And the first common wall can be an annular side wall; the gas storage cavity 13 forms an annular cavity to store gas.

In another specific embodiment, referring to FIG. 4, FIG. 4 is a schematic structural diagram of an atomizer provided by another embodiment of the present application; the bubble flow chamber 11 is arranged on the outside of the air storage chamber 13, and is connected with the air storage chamber. The body 13 has a first common wall; and a plurality of first communication holes are opened on the first common wall to communicate with the gas storage cavity 13 and the bubble flow cavity 11 . Specifically, the plurality of first communication holes are evenly distributed on the first common side wall, so that the formed air bubbles 31 are evenly distributed in the air bubble flow cavity 11 .

Specifically, in this embodiment, the gas storage cavity 13 has a cylindrical cavity to store gas; the bubble flow cavity 11 includes a first cavity part and a second cavity part, and the first cavity part is along the gas storage. The cavity 13 is arranged around the circumference of the air storage cavity 13, and has a first common sub-wall with the air storage cavity 13; There is a second common sub-wall between and with the gas storage cavity 13; wherein, the first common sub-wall and the second common sub-wall form a first common wall.

Specifically, the first cavity portion and the second cavity portion are integrally formed and communicated; referring to FIG. 4 , the vertical section of the bubble flow cavity 11 is approximately in the shape of a “door”.

In a specific embodiment, the liquid storage chamber 14 and the pressure vessel 15 are disposed at the end of the bubble flow cavity 11 away from the bubble flow jetting head 12, so as to be convenient for users to hold with their hands; in a specific embodiment, see FIG. 2 , the liquid storage chamber 14 and the pressure vessel 15 are arranged side by side along the radial direction of the bubble flow chamber 11; in another specific embodiment, referring to FIG. 4, the liquid storage chamber 14 is arranged around the periphery of the pressure vessel 15; , in other embodiments, the pressure vessel 15 can also be arranged around the periphery of the liquid storage chamber 14 .

Specifically, referring to FIGS. 2 and 4 , the atomizer 10 further includes a first control element 16 , a second control element 17 , a third control element 18 and a fourth control element 19 .

In a specific embodiment, the liquid storage chamber 14 and the bubble flow chamber 11 have a second common wall, the gas storage chamber 13 and the pressure vessel 15 have a third common wall, and the liquid storage chamber 14 and the pressure vessel 15 have a third common wall. Four common walls; the bubble jet head 12 and the bubble flow chamber 11 have a fifth common wall.

Wherein, the first control element 16 can be specifically arranged on the second common wall, and is used to control the communication between the bubble flow cavity 11 and the liquid storage cavity 14; specifically, when the atomizer 10 needs to be used, the first control element The element 16 is opened to communicate the bubble flow chamber 11 and the liquid storage chamber 14 .

The second control element 17 can be specifically arranged on the third public wall, and is used to control the communication between the pressure vessel 15 and the gas storage cavity 13; The pressure vessel 15 and the gas storage chamber 13 are communicated with each other, so that the gas in the gas storage chamber 13 is driven by the pressure vessel 15 to flow to the bubble flow chamber 11 through the first communication hole.

The third control element 18 is specifically arranged on the fourth common wall for controlling the communication between the pressure vessel 15 and the liquid storage chamber 14; specifically, when the atomizer 10 needs to be used, the first control element 16 and the second control element 16 are turned on. After the control element 17, the third control element 18 is controlled to open to communicate the pressure vessel 15 and the liquid storage chamber 14, so that the aerosol generating substrate in the liquid storage chamber 14 is driven by the pressure vessel 15 to flow toward the bubble flow chamber 11; It can be understood that when the first control element 16 is turned on, it is difficult for the aerosol-generating matrix in the liquid storage chamber 14 to flow to the bubble flow chamber 11 spontaneously, and the pressure vessel 15 needs to be driven to enter the bubble flow chamber 11 smoothly. , so as to avoid the problem of the aerosol generating matrix entering the bubble flow cavity 11 and entering the gas storage cavity 13 through the first communication hole when the atomizer 10 is idle; and when the third control element 18 is turned on , because the pressure vessel 15 communicates with the gas storage chamber 13 and the liquid storage chamber 14 at the same time, the pressure balance between the gas storage chamber 13 and the bubble flow chamber 11 can be controlled by the pressure vessel 15 , thereby preventing the gas from entering the bubble flow chamber 11 The aerosol-generating matrix inside enters into the gas storage cavity 13 through the first communication hole.

The fourth control element 19 is specifically arranged on the fifth common wall for controlling the communication between the bubble jet head 12 and the bubble flow cavity 11 . Specifically, when the user needs to pump the aerosol 41 , the fourth control element 19 is controlled to be turned on to connect the bubble jet head 12 and the bubble flow cavity 11 , so that the bubble flow can be sprayed and atomized by the bubble flow jet head 12 .

In a specific embodiment, referring to FIG. 5 , FIG. 5 is a schematic structural diagram of an atomizer provided by another embodiment of the present application; the atomizer 10 may further include a detector 23 and a controller 24 .

The detector 23 can be arranged at the port of the end of the bubble jet head 12 away from the bubble flow cavity 11, and is used to detect and send the opening signal of the atomizer 10; specifically, the detector 23 can be a sensor, and the opening signal is specifically It can be a negative pressure signal of the port of the end of the bubble jet head 12 away from the bubble flow cavity 11; for example, when the user sucks, a negative pressure is formed at the corresponding position of the bubble jet head 12, and the sensor senses the negative pressure , and generate a negative pressure signal. The controller 24 is connected to the detector 23 for receiving an opening signal and controlling the fourth control element 19 to open according to the opening signal, so that the bubble jet head 12 communicates with the bubble flow cavity 11 .

Specifically, the first control element 16 , the second control element 17 , the third control element 18 and/or the fourth control element 19 are control valves.

Specifically, the above-mentioned pressure vessel 15 can be integrally formed with the bubble flow chamber 11, the gas storage chamber 13 and the liquid storage chamber 14, or can be a separate pressure gas tank, which stores gas with a certain pressure; There is no need to use a pressure pump, which can effectively reduce product noise. In one embodiment, the atomizer 10 has an integrally formed housing that forms a bubble flow chamber 11 , a gas storage chamber 13 , a liquid storage chamber 14 and a pressure vessel 15 . In another embodiment, the atomizer 10 has an integrally formed outer shell and a plurality of partitions arranged in the outer shell, so as to divide the space in the outer shell into a bubble flow cavity 11 , an air storage cavity 13 , and a liquid storage cavity Cavity 14 and pressure vessel 15.

In a specific embodiment, in order to reduce the particle size of the aerosol 41 formed by spraying, the atomizer 10 may include a heating element 22, and the heating element 22 is disposed at least at one end of the bubble jet head 12 away from the bubble flow cavity 11, The aerosol 41 sprayed from the bubble jet head 12 is heated and further atomized, thereby further reducing the particle size of the aerosol 41 to control the particle size of the aerosol 41 within a certain range. Specifically, the heating temperature of the heating element 22 may be 60°C-90°C.

In a specific embodiment, the atomizer 10 further includes a suction nozzle assembly 21. The suction nozzle assembly 21 can be disposed at one end of the bubble jet head 12 away from the bubble flow cavity 11 and communicated with the bubble flow spray head 12 for use in The aerosol 41 ejected from the bubble jet head 12 is sucked. Specifically, the suction nozzle assembly 21 may include an air duct, and one end of the air duct is sleeved around the bubble jet head 12 . In this embodiment, the heating element 22 is specifically disposed between the bubble jet head 11 and the suction nozzle assembly 21 .

Specifically, one end of the heating element 22 may be in contact with the outer side wall of the bubble flow chamber 11 on the side facing the bubble flow jetting head 12 and disposed around the bubble flow jetting head 12 . In a specific embodiment, the heating element 22 may have a ring-shaped structure, which is specifically disposed around the air duct, so as to continuously heat the aerosol 41 sprayed from the bubble jet head 12 during the process of passing through the air duct. In one embodiment, one end of the housing of the atomizer 10 has a groove, the air bubble jet head 12 is disposed at the bottom of the groove, and one end of the air duct of the suction nozzle assembly 21 is disposed in the groove and the bottom wall of the groove Abutting and sleeved around the bubble jet head 12, the heating element 22 is arranged around the air duct of the suction nozzle assembly 21, and abuts the side wall and bottom wall of the groove.

The working principle of the atomizer 10 will be described in detail below.

When the controller 24 detects the user's activation signal, it controls the first control element 16 and the second control element 17 to be turned on, so that the pressure vessel 15 is communicated with the gas storage chamber 13 , so that the liquid storage chamber 14 can flow the air bubbles into the chamber 11 . Then, the pressure vessel 15 is used to drive the gas in the gas storage chamber 13 into the bubble flow chamber 11; then the third control element 18 is controlled to open, so that the pressure vessel 15 is communicated with the liquid storage chamber 14, and the pressure vessel 15 is used Drive the aerosol-generating matrix in the liquid storage chamber 14 into the bubble flow chamber 11, so that the aerosol-generating matrix and the gas form bubbles 31 at the interface of the first communication hole, and the bubbles 31 flow with the flow of the aerosol-generating matrix A bubbly stream is formed.

Afterwards, when the controller 24 detects an opening signal (eg, a suction signal) of the atomizer 10 through the detector 23, the controller 24 controls the fourth control element 19 to open, and the air bubble flows toward the air bubble jet head under the action of the pressure difference 12 moves, and is stretched and deformed by the hole wall of the bubble jet head 12, and is broken at the outlet of the bubble jet head 12 to form an aerosol 41; at the same time, the heating element 22 is turned on and the formed aerosol 41 is further processed. The aerosol 41 with smaller particle size is obtained by heating and atomizing; when the detector 23 fails to detect the turn-on signal, the fourth control element 19 is controlled to be turned off, thereby completing the suction process of the aerosol 41 .

The atomizer 10 provided in this embodiment adopts a two-phase flow atomization method in which the gas and the aerosol-generating substrate are mixed in the atomizer 10, so that the aerosol-generating substrate is mixed with the gas before being sprayed and atomized to form a bubble flow, so that the The atomization is realized by utilizing the surface tension of the bubble flow, so as to reduce the influence of the viscosity of the aerosol-generating substrate on the atomization process, not only can the atomization amount of the aerosol 41 be effectively increased, but also the various parts of the aerosol-generating substrate can be effectively The components are sprayed evenly; at the same time, by setting the pressure vessel 15 as a pressure gas tank, the atomizer 10 does not need to use a pressure pump, which effectively reduces the noise of the product; The sol 41 is heated, so that the particle size of the finally obtained aerosol 41 can be effectively reduced, so that the particle size of the aerosol 41 can be controlled within a certain range.

Please refer to FIG. 6, FIG. 6 is a flowchart of an atomization method for an aerosol-generating matrix provided by an embodiment of the application; in the present embodiment, an atomization method for an aerosol-generating matrix is provided, and the method specifically includes:

Step S11: Mix the aerosol-generating substrate with the gas and form a bubble flow.

Specifically, the aerosol-generating substrate and the gas are mixed through the bubble flow chamber 11 to form a bubble flow; in the specific implementation process, the aerosol-generating substrate and the gas are obtained respectively, and the aerosol-generating substrate and the gas are in contact at the interface and form several The air bubbles 31, a plurality of air bubbles 31 form a bubble flow with the flow of the aerosol generating matrix; for details, please refer to the relevant text description of the atomizer 10 in the above-mentioned embodiment, which will not be repeated here.

Step S12 : jetting a stream of bubbles and forming an aerosol.

Specifically, the bubble flow is sprayed through the bubble flow spray head 12 to form the aerosol 41 . In the specific implementation process, after the bubble jet head 12 is communicated with the bubble flow cavity 11, the bubble jet head 12 sprays the bubble flow and forms the aerosol 41; for the specific process, please refer to the relevant text of the above-mentioned embodiment about the atomizer 10 description, which will not be repeated here.

In a specific embodiment, referring to FIG. 7 , FIG. 7 is a flowchart of an atomization method for an aerosol-generating matrix provided by another embodiment of the present application; in order to reduce the particle size of the aerosol 41 and ensure the consistency of the taste, relatively In the method of Figure 6, the method further includes:

Step S13: Heating the aerosol.

Specifically, the sprayed aerosol 41 is heated by the heating element 22 to atomize the aerosol 41 to form the aerosol 41 with smaller particle size; specifically, the heating temperature may be 60°C-90°C.

The method for atomizing an aerosol-generating substrate provided in this embodiment, by mixing the aerosol-generating substrate with a gas and forming a bubble flow, realizes atomization by utilizing the surface tension of the bubble flow, thereby reducing the amount of the aerosol-generating substrate. While the viscosity has an effect on the atomization process, it can not only effectively increase the atomization amount of the aerosol 41, but also enable the components of the aerosol generation matrix to be uniformly sprayed; at the same time, by heating the formed aerosol 41, The particle size of the aerosol 41 obtained by suction is effectively reduced, so that the particle size of the aerosol 41 can be controlled within a certain range.

The above are only the embodiments of the present application, and are not intended to limit the scope of the patent of the present application. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present application, or directly or indirectly applied in other related technical fields, All are similarly included in the scope of patent protection of the present application.

Claims

An atomizer comprising:

a bubbly flow chamber for mixing the aerosol-generating substrate with the gas and forming a bubbly flow;

A bubble flow jet head, communicated with the bubble flow cavity, is used for spraying the bubble flow and forming an aerosol.
The atomizer of claim 1, further comprising:

a gas storage cavity, communicated with the bubble flow cavity, and used for storing the gas;

a liquid storage chamber for storing the aerosol-generating substrate;

a pressure vessel, communicated with the gas storage chamber and the liquid storage chamber, and used for driving the gas in the gas storage chamber to flow to the bubble flow chamber and driving the aerosol generation in the liquid storage chamber The matrix flows toward the bubbly flow cavity, thereby contacting the aerosol-generating matrix and gas entering the bubbly flow cavity and forming the bubbly flow.
The atomizer according to claim 2, wherein the gas storage cavity is disposed outside the bubble flow cavity, and has a first common wall with the bubble flow cavity, and the first common wall is A plurality of first communication holes are opened on the wall to communicate with the gas storage cavity and the air bubble flow cavity.
The atomizer according to claim 3, wherein the gas storage cavity is arranged around the periphery of the bubble flow cavity, and the first common wall is an annular side wall.
The atomizer according to claim 2, wherein the bubble flow cavity is disposed outside the gas storage cavity, and has a first common wall with the gas storage cavity; and the first common wall is A plurality of first communication holes are opened on the wall to communicate with the gas storage cavity and the air bubble flow cavity.
The atomizer according to claim 5, wherein the bubble flow cavity comprises a first cavity part and a second cavity part, and the first cavity part is arranged around the periphery of the gas storage cavity , and has a first common sub-wall with the gas storage cavity; the second cavity part is arranged between the gas storage cavity and the bubble jet head, and has a A second common sub-wall, the first common sub-wall and the second common sub-wall form the first common sub-wall.
The atomizer of claim 3, wherein a plurality of the first through holes are evenly distributed on the first common wall.
The atomizer of claim 5, wherein a plurality of the first through holes are evenly distributed on the first common wall.
The atomizer according to claim 2, wherein the liquid storage chamber and the pressure vessel are arranged at one end of the bubble flow chamber away from the bubble flow jetting head; and the liquid storage chamber and The pressure vessels are arranged side by side along the radial direction of the bubble flow chamber; or the liquid storage chamber is arranged around the periphery of the pressure vessel; or the pressure vessel is arranged around the periphery of the liquid storage chamber set up.
The atomizer of claim 9, wherein the liquid storage chamber and the bubbly flow chamber have a second common wall, and the gas storage chamber and the pressure vessel have a third common wall, the The liquid storage chamber and the pressure vessel have a fourth common wall; the atomizer further includes:

a first control element, disposed on the second common wall, for controlling the communication between the air bubble flow cavity and the liquid storage cavity;

a second control element, disposed on the third common wall, for controlling the communication between the pressure vessel and the gas storage cavity;

A third control element, disposed on the fourth common wall, is used to control the communication between the pressure vessel and the liquid storage chamber.
The atomizer according to claim 10, further comprising a fourth control element, disposed at the communication between the bubble jet head and the bubble flow cavity, for controlling the bubble jet head and the bubble flow jet The bubble flow cavity is communicated.
The nebulizer of claim 11, further comprising:

a detector for detecting and sending an opening signal of the atomizer;

A controller, connected to the detector, is configured to receive the opening signal and control the fourth control element to open according to the opening signal, so that the bubble jet head is communicated with the bubble flow cavity.
The atomizer of claim 12, wherein the first control element, the second control element, the third control element and/or the fourth control element are control valves.
The atomizer of claim 2, wherein the pressure vessel is a pressurized gas tank.
The atomizer of claim 1, further comprising a heating element for heating the aerosol sprayed from the bubble jet head.
The atomizer according to claim 15, characterized in that it further comprises a suction nozzle assembly, which is communicated with the air bubble jet head, and is used for sucking the aerosol sprayed by the air bubble jet head; the A heating element is provided between the bubble jet head and the suction nozzle.
The atomizer according to claim 16, wherein one end of the heating element is in contact with the outer side wall of the bubble flow cavity, and is arranged around the bubble flow jet head.
The atomizer according to claim 17, wherein the suction nozzle assembly comprises an air duct, one end of the air duct is sleeved around the air bubble jet head, and the heating element is arranged around the air duct .
An electronic atomization device, comprising:

Atomizer, is the atomizer as claimed in claim 1;

A power supply assembly, connected with the atomizer, for supplying power to the atomizer.
A method for atomizing an aerosol-generating substrate, comprising:

mixing the aerosol-generating substrate with the gas and forming a bubbly stream;

The stream of bubbles is ejected and an aerosol is formed.
The method for atomizing an aerosol-generating substrate according to claim 20, wherein after the step of spraying the bubble flow and forming an aerosol, the method further comprises:

The aerosol is heated.
The method for atomizing an aerosol-generating substrate according to claim 20, wherein the viscosity of the aerosol-generating substrate is not less than 200 cps at normal temperature.