WO2023138043A1

WO2023138043A1 - Ultrasonic atomization assembly and aerosol generation device

Info

Publication number: WO2023138043A1
Application number: PCT/CN2022/113028
Authority: WO
Inventors: 陈跃勇; 陈杰
Original assignee: 深圳市吉迩科技有限公司
Priority date: 2022-01-18
Filing date: 2022-08-17
Publication date: 2023-07-27
Also published as: CN114287670A

Abstract

An ultrasonic atomization assembly, comprising a liquid storage chamber (10), a base (20), a heating member (30) and an ultrasonic atomization member (40), wherein the base (20) is provided with an atomization cavity (210) and a liquid intake channel (220), and two ends of the liquid intake channel (220) are respectively in communication with the liquid storage chamber (10) and the atomization cavity (210), so that a liquid matrix in the liquid storage chamber (10) is guided into the atomization cavity (210); the heating member (30) and the ultrasonic atomization member (40) are both arranged in the atomization cavity (210), and the heating member (30) is used for absorbing the liquid matrix that enters the atomization cavity (210) via the liquid intake channel (220) and is used for heating the liquid matrix in the heating member (30); and the ultrasonic atomization member (40) is used for atomizing the liquid matrix in the heating member (30).

Description

An ultrasonic atomization component and an aerosol generating device

technical field

The present application relates to the technical field of aerosol generating devices, and more specifically, to an ultrasonic atomization component and an aerosol generating device.

Background technique

The existing atomization assembly includes a liquid control and an atomization part; during the atomization process, the liquid substrate in the liquid storage chamber (such as a liquid aerosol substrate) is absorbed by the liquid control, and the liquid substrate in the liquid control is atomized through the atomization part.

At present, the atomizer is generally an ultrasonic atomizer or a heating element. The ultrasonic atomizer heats and atomizes the liquid matrix in the liquid control through high-frequency vibration to form an aerosol. The heating temperature of the matrix is too high, resulting in the generation of too many harmful substances after atomizing the liquid matrix, which poses a safety hazard.

Contents of the invention

The technical problem to be solved by the embodiments of the present application is the problem of poor taste consistency and low safety of existing aerosols.

In order to solve the above technical problems, the embodiment of the present application provides an ultrasonic atomization component, which adopts the following technical solutions:

Including liquid storage tank, base, heating parts and ultrasonic atomization parts;

The base has an atomization chamber and a liquid inlet channel, and the two ends of the liquid inlet channel are respectively communicated with the liquid storage bin and the atomization chamber, so that the liquid matrix of the liquid storage bin can be introduced into the atomization chamber;

Both the heating element and the ultrasonic atomizing element are arranged in the atomizing chamber, and the heating element is used to absorb the liquid matrix entering the atomizing chamber from the liquid inlet channel and to heat the liquid matrix of the heating element, and the ultrasonic atomizing element is used to atomize the liquid matrix in the heating element.

Further, the heating element is a conductive fiber body or a porous conductor.

Further, when the heating element is a conductive fiber body, the conductive fiber body is a metal felt; and/or, when the heating element is a porous electrical conductor, the porous electrical conductor is a metal foam.

Further, the liquid inlet channel is a capillary channel or a liquid inlet;

And/or, a liquid control is also included, the liquid control is arranged at one end of the liquid inlet channel close to the atomization chamber, and the liquid control is used to introduce the liquid matrix in the liquid inlet channel to the heating element.

Further, the base has an air inlet channel, an aerosol channel and an air outlet channel, both ends of the aerosol channel communicate with the air inlet channel and the air outlet channel respectively, and the atomization chamber communicates with the aerosol channel.

Further, the heating element has an air outlet, and the air outlet communicates with the aerosol channel;

The air outlet is a through hole or a blind hole; or, the shape of the air outlet is mesh.

Further, it also includes a conductive structure, the conductive structure is installed on the base;

The ultrasonic atomizing element is electrically connected to the conductive structure; the heating element is electrically connected to the conductive structure.

Further, at least one supporting piece is also included, each of the supporting pieces is arranged in the atomizing chamber, and the supporting piece is used to make the ultrasonic atomizing piece lean against the heating piece.

Further, at least one of the supports is a conductive support, and the ultrasonic atomizer is electrically connected to the conductive structure through at least one of the conductive supports.

In order to solve the above technical problems, the embodiment of the present application also provides an aerosol generating device, which adopts the following technical solutions:

Including ultrasonic atomization components as described above.

Compared with the prior art, the embodiments of the present application mainly have the following beneficial effects:

(1) The heating element has a liquid absorption function and a heating effect. The heating element absorbs the liquid matrix entering the atomization chamber from the liquid inlet channel through the liquid absorption effect, and heats the liquid matrix in the heating element through the heating effect to improve the fluidity of the liquid matrix in the heating element, thereby effectively improving the heating efficiency of the liquid matrix and ensuring the atomization effect of the liquid matrix.

(2) This application uses a heating element and an ultrasonic atomizing element in conjunction, so the heating temperature of the heating element can be set lower, as long as the fluidity of the liquid matrix in the heating element can be improved, effectively reducing the harmful substances produced during the atomization process, and improving the safety of suction; at the same time, during the atomization process, under the interaction of the heating element and the ultrasonic atomizing element, the aerosol formed has sufficient concentration and good taste, and the aerosol has a good taste continuity, which improves the suction experience.

Description of drawings

In order to illustrate the solution in this application more clearly, a brief introduction will be given below to the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, other accompanying drawings can also be obtained based on these drawings without creative work.

Fig. 1 is a three-dimensional structural schematic diagram of an ultrasonic atomization assembly according to the present application;

Fig. 2 is an exploded schematic diagram of the three-dimensional structure of the ultrasonic atomization assembly according to the present application;

Fig. 3 is a schematic cross-sectional view of an ultrasonic atomization assembly according to the present application (with a liquid control and the support is a first electrical connector);

Fig. 4 is a schematic cross-sectional view of the ultrasonic atomization assembly according to the present application (without liquid control and the support is the first electrical connector);

Fig. 5 is a schematic cross-sectional view of an ultrasonic atomization assembly according to the present application (with a liquid control and the support is not the first electrical connector);

Fig. 6 is a schematic structural view of a heating element in an ultrasonic atomization assembly according to the present application.

Reference signs:

10. Liquid storage bin; 20. Base; 210. Atomization chamber; 220. Liquid inlet channel; 230. Intake channel; 240. Aerosol channel; 250. Air outlet channel; 260. First base; 270. Second base; 90. Insulation piece; A0, shell; A10, suction nozzle; A20, air inlet; B0, sealing seat; C0, air pipe.

Detailed ways

Unless otherwise defined, all the technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the application; the terms used herein in the description of the application are only for the purpose of describing specific embodiments, and are not intended to limit the application; the terms "comprising" and "having" in the description and claims of the application and the description of the drawings above, as well as any variations thereof, are intended to cover non-exclusive inclusion. The terms "first", "second" and the like in the description and claims of the present application or the above drawings are used to distinguish different objects, rather than to describe a specific order.

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 occurrences of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiments.

An embodiment of the present application provides an ultrasonic atomization assembly, as shown in FIGS. 1 to 6 , which includes a liquid storage chamber 10 , a base 20 , a heating element 30 and an ultrasonic atomization element 40 .

In this embodiment, the above-mentioned liquid storage bin 10 is used to store a liquid base, wherein the liquid base may be a liquid aerosol base.

Preferably, the above liquid storage bin 10 has a liquid injection port (not shown) and a sealing plug (not shown) for opening or closing the liquid injection port (not shown). When the sealing plug (not shown) closes the liquid injection port (not shown), the interior of the liquid storage bin 10 forms a sealed structure as a whole to avoid leakage of the liquid matrix built into the liquid storage bin 10; when the sealing plug (not shown) opens the liquid injection port (not shown), the liquid storage bin 10 can be injected to replenish the liquid The liquid substrate in the chamber 10.

In this embodiment, the above-mentioned base 20 includes a first seat body 260 and a second seat body 270; wherein, the first seat body 260 and the second seat body 270 can be a detachable connection structure; specifically, the detachable connection structure is a buckle connection structure, such as a snap-in protrusion is provided on the first seat body 260, a card slot is provided on the second seat body 270, and the first seat body 260 and the second seat body 270 are fixedly connected by the snap-fit protrusion and the card slot; in addition, the detachable connection structure can also be a plug-in connection structure, screw connection structure, etc., are not specifically limited here.

Further, the first seat 260 and the second seat 270 enclose the atomization chamber 210; specifically, the atomization chamber 210 is opened in the first seat 260 or the second seat 270, or part of the atomization chamber 210 is opened in the first seat 260, and another part of the atomization chamber 210 is opened in the second seat 270.

Further, the base 20 has a liquid inlet channel 220, and the two ends of the liquid inlet channel 220 are respectively connected with the liquid storage chamber 10 and the atomization chamber 210, so that the liquid matrix of the liquid storage chamber 10 can be introduced into the atomization chamber 210;

Preferably, the number of the liquid inlet channel 220 is at least one, and the more the number of oil inlet channels, the faster the efficiency of introducing the liquid matrix in the liquid storage chamber 10 to the atomization chamber 210; and when the number of the liquid inlet channels 220 is at least two, at least two liquid inlet channels 220 are arranged in an array on the base 20 to ensure the liquid inlet efficiency in all directions, so as to achieve uniform liquid inlet to the heating element 30 described below.

In this embodiment, the above-mentioned heating element 30 is arranged in the atomization chamber 210, and the heating element 30 has a liquid absorption function (oil guiding function) and a heating function; specifically, the heating element 30 is located at one end of the atomization chamber 210 close to the liquid inlet channel 220. Among them, the heating element 30 is in the state of energizing and heating, so as to realize the heating of the liquid matrix through the heating effect of the heating element 30, thereby improving the fluidity of the liquid matrix in the heating element 30, thereby ensuring the atomization effect of the liquid matrix in the heating element 30, and the aerosol formed by atomization has a good taste consistency.

It should be noted that since the heating element 30 and the ultrasonic atomizing element 40 are used together in this application, the heating temperature of the heating element 30 can be set lower than the heating temperature of the existing heating element (please refer to the description of the heating element in the background technology). During the process, the production of harmful substances is effectively reduced, which further ensures the safety of the smokers.

Preferably, the above-mentioned heating element 30 is a sheet structure, so that the heating element 30 has a larger liquid absorption surface and heating area, the heating element 30 has good liquid absorption performance, and the heating efficiency is fast, effectively ensuring the atomization effect in the subsequent atomization process.

In this embodiment, the above-mentioned ultrasonic atomizing element 40 is disposed in the atomizing chamber 210 , and the ultrasonic atomizing element 40 is used to atomize the liquid matrix in the heating element 30 to form an aerosol.

Preferably, the above-mentioned ultrasonic atomizing element 40 can be against the heating element 30 (see below for details), so as to ensure the atomization effect of the ultrasonic atomizing element 40 on the liquid substrate adsorbed on the heating element 30 .

Preferably, the above-mentioned ultrasonic atomizing element 40 has a sheet structure, so that the ultrasonic atomizing element 40 has a larger atomizing surface, so as to ensure the atomization effect of the liquid substrate during the atomization process.

Preferably, the above-mentioned ultrasonic atomizing element 40 can be arranged on the side of the heating element 30 close to the second base body 270, and an interval is provided between the ultrasonic atomizing element 40 and the second base body 270, so that the vibration space is reserved for the ultrasonic atomizing element 40 through the above-mentioned interval, so as to ensure the atomization effect of the ultrasonic atomizing element 40; The aerosol formed during the atomization process of the liquid substrate on the heating element 30 is discharged.

The working principle of the ultrasonic atomization assembly is as follows: initially, the liquid substrate in the liquid storage chamber 10 is introduced into the atomization chamber 210 through the liquid inlet channel 220, and at this time, the liquid substrate entering the atomization chamber 210 is absorbed by the liquid absorption effect of the heating element 30; The airflow carries the aerosol out for suction.

It should be noted that during the above-mentioned entire atomization process, both the heating element 30 and the ultrasonic atomizing element 40 are in working condition; specifically, if the end of the liquid inlet channel 220 communicating with the atomizing chamber 210 is located at the edge area of the heating element 30, when the liquid matrix in the heating element 30 flows from the edge area of the heating element 30 to the middle area, the liquid matrix is preheated by the heating element 30; As another example, the end of the liquid inlet channel 220 communicating with the atomization chamber 210 is located in the central area of the heating element 30. When the liquid matrix in the heating element 30 flows from the central area of the heating element 30 to the edge area, the liquid matrix is preheated by the heating element 30. When the liquid matrix in the heating element 30 is located in the edge area, the liquid matrix is atomized by the ultrasonic atomizing element 40.

In addition, the above-mentioned atomization process includes a preheating stage and an atomization stage. In the preheating stage, the heating effect of the heating element 30 is used to heat the liquid matrix in the heating element 30, thereby improving the fluidity of the liquid matrix in the heating element 30, making the liquid matrix easier to be atomized, so as to improve the atomization effect and atomization efficiency of the liquid matrix in the atomization stage; The liquid matrix in 0 is heated. When the heating element 30 stops heating the liquid matrix in the heating element 30, the heating element 30 acts as a liquid absorber and continues to absorb the liquid matrix entering the atomization chamber 210 from the liquid inlet channel 220. At the same time, the heating element 30 also has a heat conduction function to introduce the heat generated by the ultrasonic atomizing element 40 during the vibration process, and conduct the imported heat to the entire heating element 30. The waste heat on the heating element 30 and the heat introduced, and the ultrasonic atomizing element 40 continue The liquid matrix in the heating element 30 is atomized; when the heating element 30 continues to heat the liquid matrix in the heating element 30, the heating element 30 is kept at the target heating temperature for constant temperature heating. Compared with the above-mentioned embodiment of "the heating element 30 stops heating the liquid matrix in the heating element 30", the atomization effect and atomization efficiency of the liquid matrix are more effectively guaranteed.

In summary, compared with the prior art, the ultrasonic atomization component has at least the following beneficial effects:

(1) The heating element 30 has a liquid absorption function and a heating function. The heating element 30 absorbs the liquid matrix entering the atomization chamber 210 from the liquid inlet channel 220 through the liquid absorption action, and heats the liquid matrix in the heating element 30 through the heating action to improve the fluidity of the liquid matrix in the heating element 30, thereby effectively improving the heating efficiency of the liquid matrix and ensuring the atomization effect of the liquid matrix.

(2) This application uses the heating element 30 and the ultrasonic atomizing element 40 used in conjunction, so the heating temperature of the heating element 30 can be set lower, as long as the fluidity of the liquid matrix in the heating element 30 can be improved, effectively reducing the harmful substances produced during the atomization process, and improving the safety of suction; at the same time, during the atomization process, under the mutual cooperation of the heating element 30 and the ultrasonic atomizing element 40, the aerosol formed has sufficient concentration and good taste, and the aerosol has a good taste continuity and improves the suction experience.

In some optional implementation manners, referring to FIGS. 2 to 5 , the heating element 30 is a conductive fiber body or a porous conductor.

In this embodiment, the conductive fiber body is formed by weaving a plurality of fibers, so that the conductive fiber body has a plurality of weaving holes, and the weaving holes are used to absorb the liquid matrix entering the atomization chamber 210 from the liquid inlet channel 220; the above-mentioned fibers can be metal fibers, graphite fibers and other fibers with electrical conductivity; the above-mentioned conductive fiber body is electrically connected to the conductive structure 60 described below, so that the conductive fiber body heats the liquid matrix in the weaving holes in the energized state.

The porous conductor is a conductor having a plurality of pores and/or micropores, wherein the conductor can be a conductor with conductive properties such as a metal body and a graphite body; specifically, the above-mentioned pores and/or micropores (such as capillary pores) have a liquid absorption effect and are used to absorb the liquid matrix that enters the atomization chamber 210 from the liquid inlet channel 220; the above-mentioned porous conductor is electrically connected to the conductive structure 60 described below, so that the porous conductor heats the pores and/or the liquid matrix in the micropores in the energized state.

In some optional implementations, when the heating element 30 is a conductive fiber body, the conductive fiber body is metal felt; and/or, when the heating element 30 is a porous conductor, the porous conductor is metal foam.

In this embodiment, the above-mentioned metal felt is formed by weaving a plurality of metal fibers, so that the metal felt body has a plurality of weaving holes, which are used to realize the liquid guiding function, and also during the suction process, so that the suction airflow can take out the aerosol in the weaving holes, and further ensure the taste of the aerosol.

The above-mentioned metal foam has a plurality of foam pores (i.e. the fine pores and/or micropores mentioned above), the diameter of the foam pores can reach the millimeter level, and almost or all of the foam pores on the metal foam are connected to each other, which can also realize the liquid guiding effect and allow the aerosol on the metal foam to be taken out as much as possible.

In some optional implementations, referring to FIGS. 2 to 5 , the liquid inlet channel 220 is a capillary channel or a liquid inlet;

And/or, a liquid control 50 is also included, the liquid control 50 is arranged at one end of the liquid inlet channel 220 close to the atomization chamber 210 , and the liquid control 50 is used for introducing the liquid matrix in the liquid inlet channel 220 to the heating element 30 .

In this embodiment, when the liquid inlet channel 220 is a capillary channel, the capillary channel has a liquid control function, so as to ensure that the heating element 30 is introduced with enough liquid matrix, and at the same time avoid excessive liquid matrix in the heating element 30, so that the aerosol formed by atomization has a good taste consistency.

When the liquid inlet channel 220 is a liquid inlet, the cross-sectional area of the liquid inlet is larger than the cross-sectional area of the capillary channel. Correspondingly, the liquid inlet has a large amount of liquid, which can quickly replenish the liquid matrix in the heating element 30, thereby ensuring the taste of the aerosol.

When the liquid control 50 is also included, the above-mentioned liquid control 50 can be a liquid-conducting cotton, a liquid-conducting rope, etc., wherein the above-mentioned liquid control 50 has a liquid-conducting function and a liquid-controlling function, while ensuring the liquid-conducting efficiency of the liquid substrate from the liquid inlet channel 220 to the heating element 30, it also realizes the control of the liquid-conducting rate, so as to avoid excessive accumulation of liquid substrate in the heating element 30.

Further, the number of the above-mentioned liquid controls 50 corresponds to the number of the liquid inlet channels 220, so as to ensure the efficiency of liquid conduction in all directions; preferably, the liquid controls 50 provided on each liquid intake channel 220 are integrally formed, which facilitates the assembly of the liquid control 50 into the atomization chamber 210, and also increases the liquid guide surface of the liquid control 50, further improving the liquid guide efficiency of the liquid control 50.

It should be noted that, in the above-mentioned embodiments of "the liquid inlet channel 220 is a capillary channel" and "the liquid inlet channel 220 is a liquid inlet hole", the liquid control 50 may or may not be set, and the setting of the liquid control 50 is compared to the absence of the liquid control 50, which can realize the buffering of the liquid substrate when the liquid substrate enters the atomization chamber 210 from the liquid inlet channel 220, thereby realizing the liquid control effect of the liquid control 50.

In some optional implementations, referring to FIGS. 2 to 5 , the base 20 has an air inlet channel 230 , an aerosol channel 240 and an air outlet channel 250 , the two ends of the aerosol channel 240 communicate with the air inlet channel 230 and the air outlet channel 250 respectively, and the atomization chamber 210 communicates with the aerosol channel 240 .

In this embodiment, the inlet end of the above-mentioned aerosol channel 240 communicates with the outlet end of the inlet channel 230, and the outlet end of the aerosol channel 240 communicates with the inlet end of the outlet channel 250; during the atomization process, the liquid substrate on the heating element 30 is atomized to form an aerosol, and the aerosol flows to the aerosol channel 240, and when the aspirator sucks, the aerosol in the aerosol channel 240 flows along with the suction air flow generated by the aspirator. .

Preferably, the above-mentioned heating element 30 is arranged at the place where the atomization chamber 210 communicates with the aerosol channel 240 , so that the aerosol generated by the liquid matrix in the heating element 30 can be quickly discharged into the aerosol channel 240 .

Further, the ultrasonic atomization assembly also includes a housing A0 and a sealing seat B0. The above-mentioned liquid storage bin 10 is set in the housing A0, and is connected to the housing A0 through the sealing seat B0 to form a seal for the liquid storage bin 10; wherein, the above-mentioned housing A0 has a suction nozzle A10 and an air inlet A20. The inlet end of 30 is connected; the above-mentioned sealing seat B0 is a hollow structure, and the above-mentioned base 20 is installed in the hollow structure of the sealing seat B0.

Preferably, the number of the air inlets A20 is at least one. If the number of the air inlets A20 is greater, the corresponding amount of air entering the air inlet channel 230 from the outside air is larger, so as to ensure that the aerosol formed by atomization can be taken out; if the number of the air inlets A20 is at least two, at least two air inlets A20 are arranged in an array on the housing A0 to ensure the amount of air intake in all directions.

Further, the ultrasonic atomization assembly also includes a trachea C0, the first seat body 260 is a hollow structure, and the above-mentioned atomization chamber 210 is located in the hollow structure; the above-mentioned trachea C0 is located in the housing A0, and one end of the trachea C0 is installed on the end of the housing A0 close to the suction nozzle A10, and the other end of the trachea C0 is suspended in the hollow structure. The channel 230 is ingeniously designed. The air outlet channel 250 is opened in the air pipe C0; in addition, the air intake channel 230 can also be opened in the housing A0.

Further, the above-mentioned ultrasonic atomization assembly also includes a heat insulating member 90, which is arranged in the atomizing chamber 210 to divide the atomizing chamber 210 into an area for accommodating the liquid control 50 and an area for the air inlet channel 230, the aerosol channel 240 and the air outlet channel 250 (specifically, the heat insulating member 90 is arranged between the liquid control 50 and the aerosol channel 240), so as to avoid contact between the aerosol in the aerosol channel 240 and the liquid control 50, As a result, condensate is formed at the aerosol channel 240 when it is cold, which affects the taste of the aerosol formed subsequently; preferably, the above-mentioned heat insulating member 90 is quartz glass or a reflective member (not shown) made of a material with low thermal conductivity. rate.

In some optional implementations, referring to FIG. 6, the heating element 30 has an air outlet 310, and the air outlet 310 communicates with the aerosol channel 240;

The air outlet 310 is a through hole or a blind hole; or, the shape of the air outlet 310 is a mesh.

In this embodiment, the air outlet 310 is used to improve the fluidity of the aerosol generated by the liquid matrix in the heating element 30 passing through the heating element 30 , so that the aerosol can flow to the aerosol channel 240 of the heating element 30 more easily, and is more likely to be taken out of the air outlet channel 250 by the airflow generated by the user's suction.

The air outlet 310 is further described below:

Referring to the mark 6a in FIG. 6, the schematic diagram of mark 6a shows that when the air outlet 310 is a through hole or a blind hole, the through hole has a larger space than the blind hole, and it is easier to discharge the aerosol on the heating element 30, improving the discharge efficiency of the aerosol in the heating element 30, and the blind hole structure is conducive to ensuring the structural stability of the heating element 30, and at the same time further reducing the phenomenon of liquid leakage.

Referring to the mark 6b in FIG. 6 , the schematic diagram of mark 6b shows that when the air outlet 310 is in the shape of a mesh, compared with the above-mentioned through holes and blind holes, it also has a strong aerosol export performance under the premise of ensuring the structural stability of the heating element 30 .

In some optional implementation manners, referring to FIGS. 2 to 5 , a conductive structure 60 is further included, and the conductive structure 60 is installed on the base 20;

The ultrasonic atomizing element 40 is electrically connected to the conductive structure 60 ; the heating element 30 is electrically connected to the conductive structure 60 .

In this embodiment, the above-mentioned ultrasonic atomizer 40 is electrically connected to the conductive structure 60 through a first electrical connector (not marked in the figure), wherein the first electrical connector (not marked in the figure) includes a positive electrical connector and a negative electrical connector, wherein the positive electrical connector is electrically connected to the positive electrical terminals of the positive and negative electrodes, and the negative electrical connector is electrically connected to the negative electrical terminals of the positive and negative electrodes; preferably, the positive electrical connector can be at least one of electrical wires, pins, conductive silica gel, and elastic members (such as springs).

The above-mentioned heating element 30 is electrically connected to the conductive structure 60 through a second electrical connector (not marked in the figure), wherein the second electrical connector (not marked in the figure) also includes the above-mentioned positive and negative electrical connectors, please refer to the above description for the specific structure.

Preferably, the above-mentioned second base body 270 has a mounting groove 271 for electrically connecting the second electrical connector (not marked in the figure) with the conductive structure 60 .

The above-mentioned conductive structure 60 is a positive and negative electrode; for example, when the positive and negative electrodes include a positive electrical conductor and a negative electrical conductor, the positive electrical terminal of the first electrical connector (not marked) and the positive electrical terminal of the second electrical connector are both electrically connected to the positive electrical conductor, and the negative electrical terminal of the first electrical connector (not marked) and the negative electrical terminal of the second electrical connector (not marked) are both electrically connected to the negative electrical conductor; when the positive and negative electrodes include two positive electrical conductors and a negative electrical conductor When connecting the components, the two positive conductors are respectively electrically connected to the positive terminal of the first electrical connector (not marked in the figure) and the positive terminal of the second electrical connector (not marked in the figure), and the negative terminal of the first electrical connector (not marked in the figure) and the negative terminal of the second electrical connector (not marked in the figure) are both electrically connected to the negative conductor; Corresponding electrical connection with the first electrical connector (not marked in the figure) and the second electrical connector.

Preferably, the above-mentioned positive and negative electrodes are magnetic-attractive electrodes, which are used to achieve magnetic-attractive electrical connection with the host body (not shown in the figure) and/or transmission of control signals.

Further, the ultrasonic atomization assembly of the present application also includes a first control unit (such as a circuit board), the first control unit (not shown) is installed on the first base 260 or the second base 270, and the conductive structure 60 is electrically connected to the first control unit (not shown) to provide power for the first control unit (not shown) or as a medium for signal transmission with the host body (not shown), the first control unit (not shown) is also electrically connected to the heating element 30 and the ultrasonic atomization element 40 to control the heating element 30 and The work of the ultrasonic atomizing part 40.

Further, referring to FIG. 2 to FIG. 5 , it also includes an insulator 80 disposed in the atomization chamber 210 , the insulator 80 is disposed between the first electrical connector (not marked in the figure) and the second electrical connector (not marked in the figure) or between the first electrical connector (not marked in the figure) and the ultrasonic atomizer 40 . The insulator 80 is used to electrically isolate between the first electrical connector (not marked) and the second electrical connector (not marked) or between the first electrical connector (not marked) and the ultrasonic atomizer 40 to avoid short circuit.

Preferably, the heating element 30 is located at one end of the insulating element 80 close to the first seat body 260, and the second electrical connector (not marked) of the heating element 30 passes through the insulating element 80 and is electrically connected to the conductive structure 60 installed on the second seat body 270; the insulating element 80 is a ring-shaped hollow structure, and the ultrasonic atomizing element 40 is located in the hollow structure.

Preferably, the above-mentioned conductive structure 60 can be a PIN needle structure, the PIN needle structure includes an electrode seat, a conductive spring and an electric contact, the electrode seat is installed on the second seat body 270, the conductive spring and the electric contact are arranged in the atomization chamber 210, and the above-mentioned first electrical connector (not marked) is formed by the combination of the conductive spring and the electric contact, and the two ends of the conductive spring are respectively connected to the electric contact and the electrode seat;

In some optional implementations, referring to FIG. 3 to FIG. 5 , at least one support member 70 is further included, and each support member 70 is provided in the atomization chamber 210 , and the support member 70 is used to make the ultrasonic atomizer 40 lean against the heating element 30 .

In this embodiment, the two ends of the support member 70 respectively abut against the side of the ultrasonic atomizing member 40 away from the heating element 30 and the side of the second seat 270 close to the first seat 260, and the support member 70 has elastic properties, such as the support member 70 is a spring or colloid with elastic properties, so that the atomizing sheet is firmly against the heating element 30; , so as to ensure the atomization effect of the ultrasonic atomizing element 40 on the liquid substrate (such as liquid aerosol substrate) on the heating element 30 .

Further, the number of support members 70 is at least one, and the more the number of support members 70 , the more balanced the support force received by the ultrasonic atomizer 40 in all directions, and the stronger the abutment stability between the ultrasonic atomizer 40 and the heating element 30 .

Further, the above-mentioned supporting member 70 may be a first electrical connector (not marked in the figure, please refer to the description below for the first electrical connector); the above-mentioned supporting member 70 may not be the first electrical connector (not marked in the figure), at this time, the first electrical connector (not marked in the figure) and the supporting member 70 are provided separately.

In some optional implementation manners, referring to FIG. 3 and FIG. 4 , at least one support member 70 is a conductive support member, and the ultrasonic atomizer 40 is electrically connected to the conductive structure 60 through at least one conductive support member.

In this embodiment, the above-mentioned ultrasonic atomizer 40 is electrically connected to the conductive structure 60 through a first electrical connector (not marked in the figure), wherein the first electrical connector (not marked in the figure) includes a positive electrode electrical connector and a negative electrode electrical connector; among the above, at least one support 70 is a conductive support, that is, the support 70 has electrical conductivity; preferably, when the number of supports 70 is at least two, at least one support 70 is a positive electrical connector, and at least one support 70 is a negative electrical connector. 70 is a conductive spring or conductive silica gel, which improves the utilization rate of the support member 70 while further improving the abutting stability of the atomizing sheet and the liquid control 50, and the design is ingenious.

In the above, at least one non-conductive support member 70 can be provided, and the two ends of the non-conductive support member 70 respectively abut against the side of the ultrasonic atomizer 40 away from the heating element 30 and the side of the second seat 270 close to the first seat 260, so as to further ensure the abutment stability of the ultrasonic atomizer 40 and the heating element 30.

In order to solve the above technical problems, the embodiment of the present application further provides an aerosol generating device, including the above ultrasonic atomization assembly.

In this embodiment, the aerosol generating device further includes a host body (including a battery (not shown) and a first control chip (not shown)), the host body (not shown) is detachably connected to the ultrasonic atomization component, the battery (not shown) provides power for the ultrasonic atomizer 40 and the heating element 30, and the first control chip (not shown) controls the operation of the ultrasonic atomizer 40 and the heating element 30; in practical applications, the ultrasonic atomizer 40 and the heating element 30 are controlled by the first control chip (not shown) Start, atomize the liquid substrate (such as liquid aerosol substrate) on the heating element 30 to form an aerosol.

In addition, the aerosol generating device also includes a microphone (not shown in the figure), which communicates with the air intake channel 230; the microphone (not shown in the figure) is used to detect each inhalation of the user, and controls the ultrasonic atomization element 40 and the heating element 30 to atomize the liquid substrate (such as a liquid aerosol substrate) on the heating element 30 according to the preset temperature during each inhalation.

In summary, compared with the prior art, the aerosol generating device has at least the following beneficial effects:

Apparently, the embodiments described above are only some of the embodiments of the present application, but not all of them. The drawings show preferred embodiments of the present application, but do not limit the patent scope of the present application. The present application can be implemented in many different forms, on the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure content of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned specific embodiments, or perform equivalent replacements for some of the technical features. All equivalent structures made using the contents of the description and drawings of this application, directly or indirectly used in other related technical fields, are also within the scope of protection of this application.

Claims

An ultrasonic atomization component, which includes a liquid storage tank, a base, a heating element and an ultrasonic atomization element;

The base has an atomization chamber and a liquid inlet channel, and the two ends of the liquid inlet channel are respectively communicated with the liquid storage bin and the atomization chamber, so that the liquid matrix of the liquid storage bin can be introduced into the atomization chamber;

Both the heating element and the ultrasonic atomizing element are arranged in the atomizing chamber, and the heating element is used to absorb the liquid matrix entering the atomizing chamber from the liquid inlet channel and to heat the liquid matrix of the heating element, and the ultrasonic atomizing element is used to atomize the liquid matrix in the heating element.
The ultrasonic atomization assembly according to claim 1, wherein the heating element is a conductive fiber body or a porous conductive body.
The ultrasonic atomization assembly according to claim 2, wherein, when the heating element is a conductive fiber body, the conductive fiber body is a metal felt; and/or, when the heating element is a porous electrical conductor, the porous electrical conductor is metal foam.
The ultrasonic atomization assembly according to claim 1, wherein the liquid inlet channel is a capillary channel or a liquid inlet;

And/or, a liquid control is also included, the liquid control is arranged at one end of the liquid inlet channel close to the atomization chamber, and the liquid control is used to introduce the liquid matrix in the liquid inlet channel to the heating element.
The ultrasonic atomization assembly according to claim 1, wherein the base has an air inlet channel, an aerosol channel and an air outlet channel, the two ends of the aerosol channel communicate with the air inlet channel and the air outlet channel respectively, and the atomization chamber communicates with the aerosol channel.
The ultrasonic atomization assembly according to claim 5, wherein the heating element has an air outlet, and the air outlet communicates with the aerosol channel;

The air outlet is a through hole or a blind hole; or, the shape of the air outlet is mesh.
The ultrasonic atomization assembly according to claim 1, further comprising a conductive structure mounted on the base;

The ultrasonic atomizing element is electrically connected to the conductive structure; the heating element is electrically connected to the conductive structure.
The ultrasonic atomization assembly according to claim 2, further comprising a conductive structure mounted on the base;

The ultrasonic atomizing element is electrically connected to the conductive structure; the heating element is electrically connected to the conductive structure.
The ultrasonic atomization assembly according to claim 7, further comprising at least one support member, each of the support members is arranged in the atomization chamber, and the support members are used to make the ultrasonic atomization member lean against the heating member.
The ultrasonic atomization assembly according to claim 9, wherein at least one of the supports is a conductive support, and the ultrasonic atomizer is electrically connected to the conductive structure through at least one of the conductive supports.
An aerosol generating device, including an ultrasonic atomization component;

The ultrasonic atomization assembly includes a liquid storage bin, a base, a heating element and an ultrasonic atomization element;

The base has an atomization chamber and a liquid inlet channel, and the two ends of the liquid inlet channel are respectively communicated with the liquid storage bin and the atomization chamber, so that the liquid matrix of the liquid storage bin can be introduced into the atomization chamber;

Both the heating element and the ultrasonic atomizing element are arranged in the atomizing chamber, and the heating element is used to absorb the liquid matrix entering the atomizing chamber from the liquid inlet channel and to heat the liquid matrix of the heating element, and the ultrasonic atomizing element is used to atomize the liquid matrix in the heating element.
The aerosol generating device according to claim 11, wherein the heating element is a conductive fiber body or a porous conductive body.
The aerosol generating device according to claim 12, wherein, when the heating element is a conductive fiber body, the conductive fiber body is a metal felt; and/or, when the heating element is a porous electrical conductor, the porous electrical conductor is metal foam.
The aerosol generating device according to claim 11, wherein the liquid inlet channel is a capillary channel or a liquid inlet;

And/or, a liquid control is also included, the liquid control is arranged at one end of the liquid inlet channel close to the atomization chamber, and the liquid control is used to introduce the liquid matrix in the liquid inlet channel to the heating element.
The aerosol generating device according to claim 11, wherein the base has an air inlet channel, an aerosol channel and an air outlet channel, both ends of the aerosol channel communicate with the air inlet channel and the air outlet channel respectively, and the atomization chamber communicates with the aerosol channel.
The aerosol generating device according to claim 15, wherein the heating element has an air outlet, and the air outlet communicates with the aerosol channel;

The air outlet is a through hole or a blind hole; or, the shape of the air outlet is mesh.
The aerosol generating device according to claim 11, further comprising a conductive structure mounted on the base;

The ultrasonic atomizing element is electrically connected to the conductive structure; the heating element is electrically connected to the conductive structure.
The aerosol generating device according to claim 12, further comprising a conductive structure mounted on the base;

The ultrasonic atomizing element is electrically connected to the conductive structure; the heating element is electrically connected to the conductive structure.
The aerosol generating device according to claim 17, further comprising at least one supporting member, each of the supporting members is arranged in the atomizing chamber, and the supporting member is used to make the ultrasonic atomizing member lean against the heating member.
The aerosol generating device according to claim 19, wherein at least one of the supports is a conductive support, and the ultrasonic atomizer is electrically connected to the conductive structure through at least one of the conductive supports.