CN116584703A - An aerosol generating device - Google Patents

Abstract

The embodiment of the application provides an aerosol generating device, which comprises an atomization seat assembly, an atomization core, an air outlet channel and a power supply assembly, wherein the atomization core is provided with an atomization surface and a liquid suction surface which are oppositely arranged; the atomizing core is arranged in the atomizing space, the atomizing surface and the atomizing space facing the atomizing surface define an atomizing cavity, the liquid storage cavity is communicated with the liquid suction surface, and the atomizing core is used for atomizing aerosol generation matrixes to generate aerosol; the air outlet channel is communicated with the atomization cavity and used for discharging aerosol in the atomization cavity, wherein the atomization surface is arranged towards the air outlet channel; the power supply assembly comprises a battery and a conductive piece, the battery is electrically connected with the atomizing core through the conductive piece, and the conductive piece is arranged on one side of the atomizing surface facing the air outlet channel and extends towards the air outlet channel. The aerosol generating device provided by the application can improve the mouthfeel of aerosol, reduce the difficulty of a manufacturing process and reduce the manufacturing cost.

Description

An aerosol generating device

technical field

The present application relates to the technical field of atomization, in particular to an aerosol generating device.

Background technique

The aerosol generating device is an electronic transmission system that controls the working state and smoke output through the control circuit and atomization components for users to inhale.

The atomizing core generally includes a substrate and a heat-generating conductive film arranged on the atomizing surface of the substrate. When the atomizing surface is set upward, it can improve the taste, and the battery is generally arranged below the atomizing core. In related technologies, generally through the The substrate is drilled and grouted or printed on the side of the substrate to guide the electrode of the atomizing core from the atomizing surface of the substrate to the bottom surface of the substrate, which increases the difficulty of the manufacturing process of the atomizing core and increases the manufacturing cost.

Contents of the invention

In view of this, the embodiment of the present application expects to provide an aerosol generating device, which can reduce the difficulty of the manufacturing process and reduce the manufacturing cost while improving the taste of the aerosol.

In order to achieve the above purpose, an embodiment of the present application provides an aerosol generating device, including:

An atomization seat assembly, the atomization seat assembly is formed with an atomization space and a liquid storage chamber for storing the aerosol generating substrate;

An atomizing core with an atomizing surface and a liquid-absorbing surface oppositely arranged, the atomizing core is arranged in the atomizing space, and the atomizing surface and the atomizing space facing it define an atomizing chamber, so The liquid storage chamber communicates with the liquid-absorbing surface, and the atomizing core is used to atomize the aerosol-generating substrate to generate an aerosol;

an air outlet channel, the air outlet channel communicates with the atomization chamber, and is used to discharge the aerosol in the atomization chamber, wherein the atomization surface is arranged facing the air outlet channel;

A power supply assembly, the power supply assembly includes a battery and a conductive member, the battery is electrically connected to the atomizing core through the conductive member, the conductive member is arranged on the side of the atomizing surface facing the air outlet channel, And extend toward the air outlet channel.

In some embodiments, the atomization seat assembly includes an atomization top seat and an atomization base, the atomization base is arranged on the bottom side of the atomization top seat, and defines the reservoir with the atomization top seat liquid cavity.

In some embodiments, the atomizing top includes a top wall, a cylinder, and a top side wall surrounding the top top wall, and the top top wall and the top side wall surround a void A cavity, at least part of the structure of the atomization base is arranged in the cavity;

One end of the cylinder is connected to the top wall of the top seat, and the other end extends toward the atomization base, and a connection channel is formed inside the cylinder, and the connection channel has a first opening and a second opening oppositely arranged , the first opening runs through the top wall of the top seat, the second opening communicates with the connecting channel and the liquid storage chamber, the atomizing core is arranged at the bottom of the connecting channel, and the atomizing facing the first opening.

In some embodiments, the atomizing seat assembly includes a mounting seat disposed in the connecting channel, the atomizing space is defined between the mounting seat and the inner wall of the connecting channel, and the atomizing chamber and the inner wall of the connecting channel define the atomizing space. The first opening communicates, and the conductive member passes through the mounting base.

In some embodiments, the mounting seat includes a first part and a second part, the first part is sandwiched between the atomizing core and the inner wall of the connecting channel, and the second part is located at the atomizing core above, the conductive element passes through the second part.

In some embodiments, the aerosol generating device includes an air inlet channel, the first opening communicates with the outside through the air inlet channel, and the gap between the mounting base and the inner wall of the cylinder forms a first passageway. An air passage, the atomization chamber communicates with the first opening through the first air passage.

In some embodiments, the mounting seat is formed with a second air passage and a third air passage, and the first air passage, the second air passage and the third air passage communicate in sequence, so that The extension direction of the first gas passage and the third gas passage are the same as the extension direction of the outlet channel, the extension direction of the second gas passage is perpendicular to the extension direction of the outlet channel, and the The third air passage is arranged towards the atomizing surface.

In some embodiments, the centerline of the third air passage coincides with the centerline of the atomizing surface.

In some embodiments, a fourth air passage is formed inside the conductive member, and outside air enters the atomization chamber through the fourth air passage.

In some embodiments, the aerosol generating device includes a housing component, and a gap between the atomizing top seat and the housing component forms an air intake channel, and the first opening communicates with the outside through the air intake channel.

In some embodiments, the power supply assembly includes a wire, one end of the wire is electrically connected to the battery, and the other end extends into the connection channel through the air intake channel and the first opening in turn, and is connected to the battery. One end of the conductive member away from the atomizing core is electrically connected.

In some embodiments, the inner wall of the cylinder is provided with a ventilation groove, one end of the ventilation groove extends to the second opening, and the other end extends to the atomization chamber.

In some embodiments, the aerosol generating device includes a housing assembly, the housing assembly includes an air outlet tube having the air outlet channel, at least part of the air outlet tube extends into the connecting channel, so that the air outlet channel and the air outlet channel The atomization chamber is connected.

In some embodiments, the atomization seat assembly includes a liquid guide, the liquid guide is arranged at the bottom of the atomization base, and is located at the second opening, and the liquid guide is used for dispelling the aerosol The formation matrix is directed towards the absorbent surface.

In some embodiments, on a plane perpendicular to the central line of the air outlet channel, the cross-sectional area of the atomizing base decreases gradually as it moves away from the top wall of the top seat.

In some embodiments, on a plane perpendicular to the central line of the air outlet channel, the cross-sectional shape of the atomizing base is circular, elliptical, polygonal or racetrack.

The aerosol generating device provided in the embodiment of the present application includes an atomizing seat assembly, an atomizing core with oppositely arranged atomizing surfaces and liquid-absorbing surfaces, an air outlet channel, and a power supply assembly. The atomizing seat assembly forms an atomizing space and uses In the liquid storage chamber for storing the aerosol generating substrate, the atomization core is arranged in the atomization space, the atomization surface and the atomization space facing it define the atomization chamber, and the liquid storage chamber communicates with the liquid absorption surface. That is to say, the aerosol in the liquid storage chamber can be diverted to the liquid-absorbing surface of the atomizing core, and the atomizing core is used to atomize the aerosol generating matrix to generate aerosol, and the air outlet channel communicates with the atomizing chamber for discharging Aerosol in the atomization chamber. The aerosol generating device of the embodiment of the present application is used to enhance the mouthfeel of the aerosol by setting the atomizing surface toward the air outlet channel. Secondly, by setting the conductive piece on the side of the atomizing surface facing the air outlet channel and extending towards the air outlet channel, the battery is electrically connected to the atomizing core through the conductive piece, so that the conductive piece can be connected to the heat-generating conductive film on the atomizing surface Located on the same side of the atomizing core, there is no need to drill holes and grout on the atomizing core or print circuits on the side, which simplifies the structure and processing technology of the atomizing core. That is to say, the aerosol generating device provided by the embodiment of the present application can While improving the taste of the aerosol, the difficulty of the manufacturing process is reduced, and the manufacturing cost is reduced. In addition, because there is no need to print circuits on the side or bottom of the atomizing core, it is beneficial to improve the flatness of the side or bottom of the atomizing core, thereby improving the sealing performance of the atomizing core.

Description of drawings

Fig. 1 is a schematic structural diagram of an aerosol generating device in an embodiment of the present application;

Fig. 2 is the sectional view of Fig. 1;

Fig. 3 is a sectional view of another viewing angle of Fig. 1;

Fig. 4 is the enlarged view of place A in Fig. 2;

Fig. 5 is the enlarged view of place B in Fig. 3;

6 is a cross-sectional view of an aerosol generating device in another embodiment of the present application;

7 is a cross-sectional view of an aerosol generating device in another embodiment of the present application;

Figure 8 is an enlarged view at C in Figure 7;

Fig. 9 is a schematic structural view of the mount shown in Fig. 7;

Fig. 10 is a schematic structural diagram of an atomizing top seat in an embodiment of the present application;

Fig. 11 is a schematic structural diagram of an atomizing base in an embodiment of the present application.

Explanation of reference signs

10. Atomization seat assembly; 10a, atomization cavity; 10b, liquid storage cavity; 10c, first air passage; 11, atomization top seat; 111, top wall of top seat; 111a, liquid injection port; 112, top Seat side wall; 113, cylinder; 113a, connecting channel; 113b, first opening; 113c, second opening; 113d, ventilation slot; 113e, ventilation inlet; 114, skirt; 12, atomization base; 12a , connecting rib; 12b, clamping groove; 12c, surrounding edge; 13, sealing plug; 14, mounting seat; 14a, second air passage; 14b, third air passage; ;142, the second part; 15, the seal; 20, the atomizing core; 20a, the atomizing surface; 20b, the liquid absorbing surface; 30, the power component; 31, the battery; Channel; 33, wire; 50, shell assembly; 51, top cover; 52, shell; 53, bottom cover; 53a, air inlet; 54, air outlet pipe; 54a, air outlet channel; A control module; 100. An aerosol generating device.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments in the application and the technical features in the embodiments can be combined with each other. Undue Limitation of This Application.

In the description of the embodiment of the present application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", etc. is based on the orientation or positional relationship shown in Figure 2 , these orientation terms are only for the convenience of describing the embodiment of the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a reference to the embodiment of the application. limits. The present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

The embodiment of the present application provides an aerosol generating device, please refer to Fig. 1, Fig. 2 and Fig. 4, which includes an atomizing seat assembly 10, an atomizing core 20 having an oppositely arranged atomizing surface 20a and a liquid absorbing surface 20b, and an air outlet Channel 54a and power supply assembly 30. The power supply assembly 30 is used for supplying power to the atomizing core 20 and controlling the operation of the atomizing core 20 so that the atomizing core 20 can atomize the aerosol generating substrate to form an aerosol.

The aerosol generating device 100 is used to atomize an aerosol generating substrate to generate an aerosol for inhalation by a user.

Aerosol-generating substrates include, but are not limited to, pharmaceuticals, nicotine-containing or non-nicotine-containing materials, and the like.

Please refer to FIG. 2 to FIG. 8 , the atomizing seat assembly 10 is formed with an atomizing space and a liquid storage cavity 10 b for storing the aerosol generating substrate, and the liquid storage cavity 10 b communicates with the liquid absorption surface 20 b. By simultaneously forming the liquid storage chamber 10b and the atomization space in the atomization seat assembly 10, the space of the atomization seat assembly 10 can be fully utilized and the structure compactness can be improved.

Exemplarily, referring to FIGS. 2 to 4 , the atomizing core 20 includes a substrate and a heat-generating conductive film, the atomizing surface 20a and the liquid-absorbing surface 20b are disposed on opposite sides of the substrate, and the heat-generating conductive film is disposed on the atomizing surface 20a , and the heat-generating conductive film can generate heat after electrification.

The atomizing core 20 is arranged in the atomizing space, the atomizing surface 20a and the atomizing space facing it define the atomizing cavity 10a, the atomizing core 20 is used to atomize the aerosol generating substrate to generate an aerosol, and the atomizing surface 20a faces The air outlet channel 54a is set, that is, the aerosol generating device 100 uses the bottom surface to supply liquid, and the aerosol generating substrate is guided to the atomizing surface 20a of the substrate through the liquid absorbing surface 20b of the substrate. The substrate is used to absorb the aerosol-generating substrate, and the heat-generating conductive film on the atomizing surface 20a heats and atomizes the aerosol-generating substrate to generate aerosol.

The atomizing core 20 blocks the flow of the aerosol-generating substrate in the liquid storage chamber 10b, that is, the aerosol-generating substrate will not directly flow into the liquid storage chamber 10b.

The atomizing surface 20a of the atomizing core 20 faces the air outlet channel 54a, the aerosol generating substrate is heated and atomized on the atomizing surface 20a and releases the generated aerosol toward the atomizing chamber 10a, the outside air enters the atomizing chamber 10a and aerosol Mix and carry the aerosol to be discharged from the air outlet channel 54a for use by the user.

For example, please refer to FIG. 2 , the power supply assembly 30 includes a battery 31 and a conductive member 32, the battery 31 is electrically connected to the atomizing core 20 through the conductive member 32, and the conductive member 32 is arranged on the side of the atomizing surface 20a facing the air outlet channel 54a , and extend toward the outlet channel 54a. Specifically, the conductive member 32 is in contact with the heat-generating conductive film to realize the electrical connection between the conductive member 32 and the heat-generating conductive film. The battery 31 supplies power to the heat-generating conductive film. Under action, it is converted into an aerosol that can be used by the user.

It should be noted that the conductive member 32 is arranged on the side of the atomizing surface 20a facing the air outlet channel 54a, and the specific way of electrically connecting with the battery 31 is not limited here. For example, please refer to FIGS. 2 to 8, the power supply The assembly 30 includes a wire 33 (see dotted line in FIG. 2 ), one end of the wire 33 is electrically connected to the battery 31 , and the other end is electrically connected to the end of the conductive member 32 away from the atomizing core 20 . That is to say, the power supply assembly 30 realizes the electrical connection between the conductive member 32 and the battery 31 by setting the wire 33 .

Wherein, the conductive member 32 is, for example, a thimble.

The aerosol generating device provided in the embodiment of the present application includes an atomizing seat assembly 10, an atomizing core 20 having an oppositely arranged atomizing surface 20a and a liquid absorbing surface 20b, an air outlet channel 54a, and a power supply assembly 30, and the atomizing seat assembly 10 An atomization space and a liquid storage chamber 10b for storing the aerosol generating substrate are formed, the atomization core 20 is arranged in the atomization space, the atomization surface 20a and the atomization space facing it define the atomization chamber 10a, and the liquid storage chamber 10b communicates with the liquid-absorbing surface 20b. That is to say, the aerosol in the liquid storage chamber 10b can flow to the liquid-absorbing surface 20b of the atomizing core 20, and the atomizing core 20 is used to atomize the aerosol-generating substrate to generate an aerosol, and the air outlet channel 54a and the atomizing chamber 10a is connected to discharge the aerosol in the atomization chamber 10a. The aerosol generating device 100 of the embodiment of the present application is used to enhance the taste of the aerosol by setting the atomizing surface 20a toward the air outlet channel 54a. Secondly, by setting the conductive member 32 on the side of the atomizing surface 20a facing the air outlet channel 54a, and extending toward the air outlet channel 54a, the battery 31 is electrically connected to the atomizing core 20 through the conductive member 32, so that the conductive member 32 can be connected to the air outlet channel 54a. The heat-generating conductive film on the atomizing surface 20a is located on the same side of the atomizing core 20, so there is no need to drill holes and grout on the atomizing core 20 or print circuits on the side, which simplifies the structure and processing technology of the atomizing core 20, that is to say , the aerosol generating device 100 provided in the embodiment of the present application can improve the taste of the aerosol while reducing the difficulty of the manufacturing process and reducing the manufacturing cost. In addition, because there is no need to print circuits on the side or bottom of the atomizing core 20 , it is beneficial to improve the flatness of the side or bottom of the atomizing core 20 , thereby improving the sealing performance of the atomizing core 20 .

Exemplarily, referring to FIGS. 2 to 8 , the atomization seat assembly 10 includes an atomization top seat 11 and an atomization base 12 .

It should be noted that the formation manner of the liquid storage cavity 10b is not limited here. Exemplarily, in some embodiments, please refer to FIG. 2 , the atomization base 12 is disposed on the bottom side of the atomization top seat 11 , and defines a liquid storage cavity 10 b with the atomization top seat 11 .

Of course, in some other implementations, the aerosol generating device 100 includes the housing assembly 50 , and the liquid storage cavity 10 b may also be defined between the atomization seat assembly 10 and the housing assembly 50 .

Exemplarily, referring to Fig. 2 and Fig. 10, the atomizing top seat 11 comprises a top seat top wall 111, a cylinder 113 and a top seat side wall 112 surrounding the top seat top wall 111, the top seat top wall 111 and the top seat side The wall 112 surrounds and forms a cavity, and at least part of the structure of the atomization base 12 is arranged in the cavity, and defines the liquid storage chamber 10 b with the atomization top base 11 .

The appearance profile of the top seat top wall 111 and the top seat side wall 112 surrounding the top seat top wall 111 determines the appearance profile of the atomizing top seat 11 . The cylinder 113 is disposed inside the cavity.

At least a part of the structure of the atomization base 12 is disposed in the cavity means that the atomization base 12 may have a part of the structure disposed in the cavity of the atomization top seat 11 , or all of the structures may be disposed in the cavity.

Certainly, in other embodiments, the atomization base 12 may also be docked with the atomization top base 11 without protruding into the cavity.

Specifically, in some embodiments, please refer to FIG. 2 and FIG. 5 , the atomizing base 12 includes a surrounding edge 12c around the outside of the atomizing base 12, and abuts against the side wall 112 of the top seat through the surrounding edge 12c, so as to realize The connection between the atomization base 12 and the atomization top base 11 .

Of course, in other embodiments, the atomization base 12 can also contact the top seat side wall 112 through the outer side wall of the atomization base 12 to realize the connection between the atomization base 12 and the atomization top seat 11 .

It should be noted that the specific connection method between the atomization base 12 and the atomization top seat 11 is not limited here, for example, it may be an interference fit, snap connection, etc. FIG. It is beneficial to realize the disassembly and assembly of the atomization base 12 and the atomization top seat 11 , improve the efficiency of assembly, and improve the convenience of use.

In the related technology, the aerosol generating device injects liquid at the bottom of the liquid storage chamber, and the liquid flows into the atomization core after the atomization core is assembled, and large bubbles are easily formed in the liquid storage chamber, and the bubble volume expands when the temperature rises. The aerosol-generating matrix squeezes out of the reservoir, causing leakage.

As for the aerosol generating device of the embodiment of the present application, please refer to FIG. 2 and FIG. 10 , the atomizing top seat 11 is provided with a liquid injection port 111 a penetrating through the top wall 111 of the top seat. That is to say, by setting the liquid injection port 111a on the top wall 111, the liquid injection can be performed after the atomizing core 20 is assembled, that is, the aerosol-generating substrate is injected into the liquid storage chamber 10b through the liquid injection port 111a, so that Reducing the air bubbles in the liquid storage chamber 10b can further improve the situation that when the temperature rises, the volume expansion of the air bubbles pushes the aerosol-generating matrix out of the liquid storage chamber 10b.

Exemplarily, please refer to FIG. 2 and FIG. 6 , the atomizing seat assembly 10 includes a sealing plug 13, and after filling the aerosol generating device 100 through the liquid injection port 111a, the sealing plug 13 is inserted into the liquid injection port 111a, In order to seal the liquid storage chamber 10b, the aerosol-generating substrate is prevented from leaking from the liquid injection port 111a during use or transportation.

Exemplarily, please refer to FIG. 2 and FIG. 5 , the atomization seat assembly 10 includes a sealing member 15, and the sealing member 15 is interposed between the atomization base 12 and the atomization top seat 11 for sealing the atomization base 12 and the atomization base 12. Minimize the assembly gap between the top seats 11, improve the sealing of the liquid storage chamber 10b, and prevent the aerosol-generating substrate in the liquid storage chamber 10b from flowing out from the assembly gap between the atomization base 12 and the atomization top seat 11, thereby avoiding The service life and user experience of the aerosol generating device 100 are affected.

The material of the sealing member 15 is not limited, for example, silica gel, rubber and the like.

Exemplarily, please refer to FIG. 2 to FIG. 8 , the cylinder 113 is arranged inside the cavity, one end of the cylinder 113 is connected to the top wall 111 of the top seat, and the other end extends toward the atomizing base 12, and the inside of the cylinder 113 forms A connecting channel 113a, the connecting channel 113a has a first opening 113b and a second opening 113c oppositely arranged, the first opening 113b penetrates the top wall 111 of the top seat, the second opening 113c penetrates the bottom wall of the cylinder 113, and the second opening 113c communicates with The channel 113a is connected to the liquid storage chamber 10b, and the atomizing core 20 is disposed at the bottom of the connecting channel 113a, and the atomizing surface 20a faces the first opening 113b.

That is to say, the atomizing top seat 11 is formed by setting the top seat top wall 111, the cylinder 113 and the top seat side wall 112 around the top seat top wall 111, so that the top seat top wall 111 and the top seat side wall 112 are surrounded and formed Cavity, the inside of the cylinder 113 forms a connecting channel 113a, that is, the atomizing top seat 11 forms two independent spaces of the cavity and the connecting channel 113a, and the two independent spaces are communicated through the second opening 113c, so that it can be fully utilized The space of the atomizing top seat 11 improves the structural compactness of the atomizing seat assembly 10 .

When the atomization base 12 is arranged on the bottom side of the atomization top seat 11, and defines the liquid storage chamber 10b with the atomization top seat 11, the inside of the cylinder 113 forms a connecting channel 113a, and the atomizing core 20 is arranged on the connecting channel The bottom of 113a, that is, the atomization chamber 10a is disposed in the connecting channel 113a. In this way, the aerosol-generating substrate in the liquid storage chamber 10b can flow into the atomizing core 20 through the second opening 113c.

The atomizing core 20 is arranged at the bottom of the connecting channel 113a, for example, the atomizing core 20 is arranged on the bottom wall of the cylinder 113, that is, the atomizing core 20 overlaps the edge of the second opening 113c, and the bottom wall of the cylinder 113 It acts as a bearing for the atomizing core 20 .

Exemplarily, please refer to FIG. 2 to FIG. 8 , the atomization seat assembly 10 includes a liquid guide 60, the liquid guide 60 is arranged at the bottom of the atomization base 12, and is located at the second opening 113c, the liquid guide 60 is used for The aerosol-generating substrate is directed toward the atomizing core 20 . Specifically, the liquid guiding member 60 protrudes into the second opening 113c and abuts against the substrate. Of course, it is also possible that the base body protrudes into the second opening 113c and abuts against the liquid guiding member 60 .

The liquid guiding member 60 may be one or a combination of non-woven fabric, linen or wood pulp cotton. Of course, other materials that can conduct fluid can also be used. The liquid-guiding cotton is made of cotton fiber, which can be stored stably and quickly guide the aerosol-generating matrix in the liquid storage chamber 10b to the atomizing core 20 for atomization and generation of aerosol.

The arrangement of the liquid guide 60 can guide the aerosol-generating substrate at the bottom of the liquid storage chamber 10b to the atomizing core 20 for heating and atomizing even when the liquid level of the aerosol-generating substrate is lower than the atomizing core 20 To generate aerosol, improve the utilization rate of the aerosol generating substrate.

It should be noted that there are many ways to form the atomizing chamber 10a. For example, please refer to FIG. 2 to FIG. An atomization space is defined between inner walls of the channel 113a. That is to say, the atomizing seat assembly 10 is provided with the cylinder 113 and the mounting base 14, and the mounting base 14 is arranged in the connecting channel 113a of the cylinder 113, so that the space between the mounting base 14 and the inner wall of the connecting channel 113a Form an atomized space.

The atomizing chamber 10a communicates with the first opening 113b, that is, outside air can enter the atomizing chamber 10a through the first opening 113b, which is beneficial for the outside air to enter the atomizing chamber 10a from the top of the atomizing chamber 10a.

Please refer to FIG. 2 to FIG. 8 , the conductive member 32 passes through the mounting seat 14 , that is, the conductive member 32 can be disposed on the mounting seat 14 and used for electrical connection with the atomizing core 20 .

The specific structure of the mounting seat 14 is not limited here, as long as it can define the atomizing chamber 10a together with the inner wall of the connecting channel 113a. For example, in some implementations, please refer to FIGS. 2 to 9, the mounting seat 14 Including a first part 141 and a second part 142, the first part 141 is sandwiched between the atomizing core 20 and the inner wall of the connecting channel 113a, the second part 142 is located above the atomizing core 20, and the conductive member 32 is passed through the second part 142. That is to say, there is a certain space between the first part 141 and the second part 142, for example, the first part 141 and the second part 142 are arranged at intervals along the extending direction of the connecting channel 113a, and are in common with the inner wall of the connecting channel 113a. An atomizing chamber 10a is defined.

The first part 141 is sandwiched between the atomizing core 20 and the inner wall of the connecting channel 113a. There may be an installation gap between the atomizing core 20 and the inner wall of the connecting channel 113a, and the first part 141 is sandwiched between the atomizing core 20 and the connecting channel 113a. The installation gap between the inner walls of the channel 113a can seal the installation gap between the atomizing core 20 and the inner wall of the connecting channel 113a to a certain extent. For example, the atomizing core 20 is interference-fitted in the first part 141 , and the first part 141 is interference-fitted in the cylinder 113 , which is convenient for assembly and has good sealing performance.

It should be noted that the first part 141 and the second part 142 can be in contact, that is, the second part 142 is supported on the first part 141 . Certainly, the first part 141 and the second part 142 may not be in contact with each other, but may be arranged at intervals.

Exemplarily, the first part 141 and the second part 142 are split structures. Easy to assemble and improve assembly efficiency.

Certainly, the mounting seat 14 may also be an integral structure, for example, integrally injection molded. The one-piece mounting seat 14 can reduce the number of components, reduce assembly time, and improve assembly efficiency.

Exemplarily, the mount 14 can be made of plastic or silicone material.

Exemplarily, the aerosol generating device 100 includes a ventilation channel, the aerosol generating substrate in the liquid storage chamber 10b is guided to the atomizing core 20, and heated and atomized in the atomizing chamber 10a to generate an aerosol, the aerosol Exhausted from the end of the air outlet channel 54a for the user to inhale, the aerosol-generating substrate in the liquid storage chamber 10b is consumed to form a negative pressure, and the outside air enters the liquid storage chamber 10b through the ventilation channel under the action of atmospheric pressure to balance The pressure in the liquid storage chamber 10b is favorable for the aerosol-generating substrate in the liquid storage chamber 10b to flow continuously to the atomizing core 20, so as to realize continuous atomization.

Exemplarily, please refer to Fig. 2, Fig. 4 and Fig. 10, the inner wall of the cylinder 113 is provided with a ventilation groove 113d, one end of the ventilation groove 113d extends to the second opening 113c, and the other end extends to the atomizing chamber 10a, also That is to say, the ventilation groove 113d communicates with the atomization chamber 10a and the second opening 113c.

When the mounting base 14 and the atomizing core 20 are assembled to the connecting channel 113a, a ventilation channel is defined between the mounting base 14, the atomizing core 20 and the ventilation groove 113d, and the ventilation channel communicates with the liquid storage chamber 10b and the atomization chamber 10a.

When inhaling, the air outlet channel 54a generates negative pressure, and the aerosol in the atomization chamber 10a is sucked into the air outlet channel 54a under the action of negative pressure, and then enters the user's mouth, the atomization chamber 10a generates negative pressure, and the air in the external environment Under the action of pressure, it will replenish into the atomization chamber 10a to realize continuous aerosol inhalation.

For example, please refer to FIG. 2 and FIG. 4 , the end of the ventilation groove 113d away from the second opening 113c is a ventilation inlet 113e, and the ventilation inlet 113e is higher than the atomizing surface 20a. It can be understood that since the atomizing surface 20a is set towards the air outlet channel 54a, that is, it is set upward, and the ventilation inlet 113e is in the atomizing chamber 10a and is higher than the atomizing surface 20a, the negative pressure in the atomizing chamber 10a is negative during suction. The pressure can suck a part of the aerosol-generating substrate in the ventilation groove 113d to the atomization chamber 10a, and flow to the atomization core 20 to form an auxiliary liquid supply.

The number of ventilation slots 113d is not limited, there may be one or more. Exemplarily, there are multiple ventilation slots 113d. In this way, the arrangement of multiple air exchange slots 113d not only facilitates the airflow in the atomization chamber 10a to replenish into the atomization chamber 10a through the air exchange slots 113d, but also prevents any one of the air exchange slots 113d from being blocked, resulting in obstructed ventilation and affecting suction.

In a specific embodiment, please refer to FIG. 4 , there are two air exchange slots 113d, and the two air exchange slots 113d are located on opposite sides of the cylinder 113, which is beneficial to the uniformity of air exchange.

In related technologies, the air intake channel generally enters from the bottom of the atomization chamber, and due to temperature changes, the aerosol-forming matrix overflowing from the air exchange channel and the condensate formed by condensation during suction tend to flow out through the air intake channel, causing leakage. liquid, which reduces the utilization rate of the aerosol-generating substrate and reduces the user experience.

For the aerosol generating device of the embodiment of the present application, please refer to Fig. 2 and Fig. 6, the gap between the atomizing top seat 11 and the housing assembly 50 forms an air intake passage (see the continuous dotted line with arrow shown in Fig. 6 ), the first opening 113b communicates with the outside world through the air intake channel. That is to say, the outside air can enter the connecting channel 113a through the air inlet channel and the first opening 113b in sequence, so as to enter the atomizing chamber 10a. And the first opening 113b runs through the top wall 111 of the top seat, that is to say, the air in the air intake passage enters the atomizing chamber 10a through the first opening 113b at the top, that is, it is beneficial for the outside air to enter from the top of the atomizing chamber 10a. Atomization chamber 10a.

Therefore, when the temperature changes, the aerosol-generating substrate overflowing from the ventilation channel and the condensate formed by condensation during suction will not flow out through the air intake channel to form liquid leakage. Since the atomizing surface 20a is set upward, the aerosol-generating substrate overflowing from the ventilation channel will flow to the atomizing core 20 to form an auxiliary liquid supply; the condensate formed by condensation during suction will also flow to the atomizing core 20 for Secondary atomization, thus, while avoiding liquid leakage, the utilization rate of the aerosol-generating substrate can also be improved.

Exemplarily, referring to FIG. 2 , the housing assembly 50 includes a top cover 51 , a housing 52 and a bottom cover 53 . The atomizing seat assembly 10 is disposed in the shell assembly 50 .

The gap between the atomizing top seat 11 and the housing assembly 50 forms an air intake channel, and there may be a gap between the top wall 111 of the top seat and the housing assembly 50 , or there may be a gap between the top seat side wall 112 and the housing assembly 50 , it may also be that there is a gap between the top wall 111 of the top seat and the side wall 112 of the top seat and the shell assembly 50 .

Please refer to FIG. 2 and FIG. 6, the housing assembly 50 is provided with an air inlet 53a, and the outside air enters the air inlet passage through the air inlet 53a. It can be understood that the air inlet 53a can be arranged on the top cover 51, the housing 52 Or on one of the bottom covers 53 , of course, more than one of the top cover 51 , the casing 52 and the bottom cover 53 may be provided with air inlets 53 a.

Exemplarily, the top cover 51 and the casing 52 are a split structure. It is beneficial to assemble other components of the aerosol generating device 100 .

Certainly, the top cover 51 and the housing 52 may also be of an integral structure, for example, integrally injection molded. The one-piece top cover 51 and housing 52 can reduce the number of components, reduce assembly time, and improve assembly efficiency.

Exemplarily, the bottom cover 53 and the casing 52 are a split structure. It is beneficial to assemble other components of the aerosol generating device 100 .

Certainly, the bottom cover 53 and the housing 52 may also be of an integral structure, for example, integrally injection molded. The one-piece top cover 51 and housing 52 can reduce the number of components, reduce assembly time, and improve assembly efficiency.

In a specific embodiment, the top cover 51, the casing 52 and the bottom cover 53 are of a split structure, and the top cover 51, the casing 52 and the bottom cover 53 are connected and fixed by clamping or interference fit, and the connection structure is simple. And easy to disassemble.

It should be noted that the specific method of using the aerosol generating device 100 is not limited here. For example, the user can directly inhale the aerosol through the shell assembly 50, that is, the top cover 51 of the shell assembly 50 is made into a suction nozzle structure, or The aerosol can be inhaled by cooperating with the housing assembly 50 through an additional suction nozzle.

Exemplarily, please refer to FIG. 2 , the power supply assembly 30 includes a wire 33 , one end of the wire 33 is electrically connected to the battery 31 , and the other end extends into the connection channel 113 a through the air intake channel and the first opening 113 b in turn, and is away from the conductive member 32 One end of the atomizing core 20 is electrically connected. The power supply assembly 30 implements electrical connection between the conductive member 32 and the battery 31 by providing wires 33 . That is to say, by arranging the atomizing surface 20a toward the air outlet channel 54a, it is used to enhance the mouthfeel of the aerosol. Secondly, by arranging the conductive member 32 and the wire 33 on the side of the atomizing surface 20a facing the outlet channel 54a, and extending toward the outlet channel 54a, the wire 33 extends into the connection channel 113a and the connection channel 113a through the inlet channel and the first opening 113b in sequence. The end of the conductive member 32 away from the atomizing core 20 is electrically connected, and the wire 33 does not need to pass from the atomizing surface 20a of the base body through the lower surface of the base body to connect to the battery 31. In this way, a common atomizing core 20 can be used without special design The atomizing core 20 threaded with the metal wire 33 simplifies the structure and processing technology of the atomizing core 20, while improving the taste of the aerosol, it reduces the difficulty of the manufacturing process and reduces the manufacturing cost.

Exemplarily, please refer to Fig. 2, Fig. 3 and Fig. 10, a skirt 114 is formed on the outer peripheral side of the top seat side wall 112, and the skirt 114 overlaps the top of the housing 52, so that the spray seat Positioning of component 10.

Exemplarily, please refer to FIG. 2 to FIG. 8 , the housing assembly 50 includes an air outlet pipe 54 having an air outlet channel 54a, at least part of the air outlet pipe 54 extends into the connecting channel 113a, so that the air outlet channel 54a communicates with the atomizing chamber 10a. Specifically, the air outlet pipe 54 is disposed on the top cover 51 .

2 and 9, the top of the mounting base 14 is formed with an avoidance port 14c communicating with the atomization chamber 10a. The channel 54a communicates with the atomizing chamber 10a through the avoidance port 14c.

It should be noted that there are multiple ways for the atomization chamber 10a to communicate with the first opening 113b. Exemplarily, in some implementations, please refer to FIG. 5 , the gap between the mounting seat 14 and the inner wall of the cylinder 113 forms a first air passage 10c, and the atomization chamber 10a passes through the first air passage 10c and the first opening. 113b is connected. For example, one of the mounting seat 14 and the inner wall of the cylinder 113 forms an air passage groove, so that the gap between the installation seat 14 and the inner wall of the cylinder 113 forms the first air passage 10c.

In this way, when inhaling, a negative pressure is generated in the air outlet channel 54a and the atomization chamber 10a, and the air in the air intake channel enters the atomization chamber 10a through the first air passage 10c, and discharges the aerosol to the end of the air outlet channel 54a. available to users.

The number of the first air passage 10c is not limited, and may be one or multiple. Exemplarily, there are multiple first air passages 10c. In this way, the arrangement of multiple first air passages 10c not only facilitates the transfer of outside air to the atomization chamber 10a through the first air passages 10c to improve the atomization efficiency, but also prevents any one of the first air passages 10c from being blocked and causing Air intake is blocked and affects suction.

In a specific embodiment, please refer to FIG. 5 , there are two first air passages 10c, and the two first air passages 10c are located on opposite sides of the mounting base 14, which is beneficial to the uniformity of air intake.

It can be understood that the outside air can enter the connecting channel 113a through the air inlet channel and the first opening 113b sequentially, and the air in the connecting channel 113a directly enters the atomizing chamber 10a through the first air passing channel 10c.

Of course, the air in the connecting channel 113a does not directly enter the atomizing chamber 10a through the first passing air channel 10c. Exemplarily, referring to Fig. 7 to Fig. 9, the mounting seat 14 is formed with a second air passage 14a and a third air passage 14b, a first air passage 10c, a second air passage 14a and a third air passage 14b are connected successively, the extension direction of the first air passage 10c and the third air passage 14b are the same as the extension direction of the outlet passage 54a, the extension direction of the second air passage 14a is perpendicular to the extension direction of the outlet passage 54a, the second The three air passages 14b are arranged towards the atomizing surface 20a. That is to say, the air in the connecting channel 113a enters the atomizing chamber 10a through the first air passage 10c, the second air passage 14a and the third air passage 14b in sequence.

By arranging the first air passage 10c, the second air passage 14a and the third air passage 14b to communicate in sequence, the direction and position of the air entering the atomization chamber 10a can be controlled, that is, the flow of the air can be guided. The third air passage 14b is arranged towards the atomizing surface 20a, that is, the outside air can enter the atomizing chamber 10a along the direction perpendicular to the atomizing surface 20a, so that the outside air can directly flow vertically to the atomizing surface 20a, improving atomization Effect.

Wherein, the second air passage 14a may be formed on the first portion 141 , or may be formed on the second portion 142 , or may be jointly defined and formed between the first portion 141 and the second portion 142 .

The third air passage 14b may be formed on the second portion 142 , or may be defined jointly between the first portion 141 and the second portion 142 .

Exemplarily, the centerline of the third air passage 14b coincides or approximately coincides with the centerline of the atomizing surface 20a, and the outside air enters the atomizing chamber 10a through the third air passage 14b toward the center of the atomizing surface 20a, further Improve the atomization effect.

In some other embodiments, the first air passage 10c may not be formed by the gap between the mounting seat 14 and the inner wall of the cylinder 113 , but the first air passage 10c is formed inside the mounting seat 14 .

In some other embodiments, please refer to FIG. 6 , a fourth air passage 32 a is formed inside the conductive member 32 , and the atomization chamber 10 a communicates with the first opening 113 b through the fourth air passage 32 a. In this embodiment, the conductive member 32 is a hollow structure, so that the inside of the conductive member 32 forms a fourth air passage 32a, and the outside air can enter the connecting passage 113a through the air intake passage, the first opening 113b, and the connecting passage 113a. The air then enters the atomizing chamber 10a through the fourth air passage 32a inside the conductive member 32. By forming the fourth air passage 32 a inside the conductive member 32 , the reliability of the air flow passage can be improved, and the structure of the mounting base 14 can be simplified.

In related technologies, the aerosol generating device with the atomizing surface of the atomizing core facing upwards generally uses the bottom surface for liquid supply, and the support and sealing of the bottom surface affect the liquid supply area of the substrate, and at the same time, it is easy to cause the aerosol generation matrix at the bottom of the liquid storage chamber It cannot be diverted to the atomizing core to generate aerosol, which leads to the problem of low utilization rate of the aerosol generating substrate.

In the aerosol generating device of the embodiment of the present application, on a plane perpendicular to the center line of the air outlet channel 54a, the cross-sectional area of the atomization base 12 gradually decreases as it moves away from the top wall 111, that is, as it moves away from the top In the direction of the seat top wall 111, the atomizing base 12 is contracted or umbrella-shaped. This structure can make the aerosol generating device 100 in a vertical use state or an inclined use state, which is conducive to the liquid level of the aerosol generation substrate being higher than the mist. Transform the core 20, and guide it to the heating element under the action of gravity, so as to improve the utilization rate of the aerosol-generating substrate.

For example, please refer to FIG. 2 to FIG. 8 and FIG. 11 , the atomization base 12 is in the shape of an inverted cone, such as a prism or a circular truncated. The atomization base 12 is an inverted hollow structure, and the conical frustum opens to one side of the cavity, and defines a liquid storage chamber 10b with the cavity of the atomization top base 11 . The liquid-guiding cotton is arranged on the bottom wall of the atomization base 12 .

It should be noted that, on a plane perpendicular to the central line of the air outlet channel 54a, the cross-sectional shape of the atomizing base 12 is not limited here. Exemplarily, the cross-sectional shape of the atomizing base 12 is a circle, an ellipse, a polygon or a racetrack.

Among them, the track shape refers to a shape similar to a track and field track, which is formed by alternately connecting two semicircles and two parallel straight sides.

It should be noted that, on a plane perpendicular to the central line of the air outlet channel 54a, the cross-sectional shape of the cylinder 113 is not limited here. Exemplarily, the cross-sectional shape of the cylinder 113 is a circle, an ellipse, a polygon or a racetrack.

Exemplarily, referring to FIG. 2 to FIG. 7, the aerosol generating device 100 includes a control module 70, the control module 70 is assembled on the housing assembly 50, for example, on the bottom cover 53, and the battery 31 is assembled and fixed on the housing 52 and the bottom. Between the covers 53, the bottom cover 53 is provided with an air intake hole, the battery 31 is electrically connected to the control module 70, the conductive member 32 is electrically connected through the wire 33, the bottom cover 53 and the housing 52 are fixed by buckle or interference fit, the bottom cover 53 , the shell 52, the top cover 51, and the atomizing seat assembly 10 form a closed cavity. When the user inhales, the air enters the closed cavity through the air inlet on the bottom cover 53, forming a negative pressure, and passes through The air intake channel enters the atomizing chamber 10a, and the control module 70 is provided with a negative pressure sensor. The negative pressure sensor senses the negative pressure, the circuit is connected, the atomizing core 20 starts to work, and the atomized aerosol generates a substrate, generates liquid droplets, and The air entering the air passage is mixed and flows out from the end of the air outlet passage 54a for use by the user.

For example, please refer to FIG. 2 and FIG. 11 , the outer wall of the atomizing base 12 is provided with a connecting rib 12a extending downward, and the connecting rib 12a is formed with a locking groove 12b matching the outline of the battery 31 , and the atomizing base 12 12 is clamped on the battery 31 through the clamping groove 12b, and is used to limit and support the atomization base 12.

Exemplarily, the assembly steps of the aerosol generating device 100 include: assembling the atomizing core 20 to the first part 141 of the mounting base 14, assembling the conductive member 32 to the second part 142 of the mounting base 14, and assembling the atomizing core 20 to the second part 142 of the mounting base 14. The first part 141 of 20 is assembled to the bottom of the cylinder 113, the second part 142 equipped with the conductive part 32 is fitted into the connection channel 113a, and the conductive part 32 is electrically connected with the heating conductive film of the atomizing core 20, and the sealing The member 15 is assembled on the atomization base 12, and the atomization base 12 equipped with the seal 15 is assembled to the atomization top seat 11 to form the atomization seat assembly 10, and the atomization seat assembly 10 is assembled into the housing 52, Connect the top cover 51 to the housing 52, assemble the battery 31 into the housing 52, assemble the control module 70 into the bottom cover 53 to form a bottom cover 53 assembly, and connect the battery 31 and the conductive member 32 to the control module 70 through wires 33 , connect the bottom cover 53 assembly with the housing 52 .

In the description of the present application, references to the terms "in one embodiment," "in some embodiments," "in other embodiments," "in further embodiments," or "exemplary" mean that The specific features, structures, materials or characteristics described in conjunction with this embodiment or example are included in at least one embodiment or example of the embodiments of the present application. In this application, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine different embodiments or examples and features of different embodiments or examples described in the present application without conflicting with each other.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, various modifications and changes may be made to the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application are included in the protection scope of the present application.

Claims (10)

1. An aerosol-generating device, comprising:

an aerosol-generating base assembly forming an aerosol-generating space and a liquid storage cavity for storing an aerosol-generating substrate;

the atomization device comprises an atomization core, a liquid storage cavity and an aerosol generating substrate, wherein the atomization core is provided with an atomization surface and a liquid suction surface which are oppositely arranged, the atomization core is arranged in the atomization space, the atomization surface and the atomization space facing the atomization surface define an atomization cavity, the liquid storage cavity is communicated with the liquid suction surface, and the atomization core is used for atomizing the aerosol generating substrate to generate aerosol;

the air outlet channel is communicated with the atomization cavity and used for discharging aerosol in the atomization cavity, and the atomization surface is arranged towards the air outlet channel;

the power supply assembly comprises a battery and a conductive piece, wherein the battery is electrically connected with the atomizing core through the conductive piece, and the conductive piece is arranged on one side of the atomizing surface facing the air outlet channel and extends towards the air outlet channel.

2. An aerosol-generating device according to claim 1, wherein the atomizing base assembly comprises an atomizing base and an atomizing top base, the atomizing base being disposed on a bottom side of the atomizing top base and defining the reservoir with the atomizing top base; and/or the number of the groups of groups,

A fourth air passage is formed in the conductive piece, and outside air enters the atomization cavity through the fourth air passage.

3. An aerosol-generating device according to claim 2, wherein the atomising footstock comprises a footstock top wall, a canister and footstock side walls surrounding the footstock top wall, the footstock top wall and footstock side walls enclosing a cavity, at least part of the atomising base being arranged within the cavity;

one end of the column casing with the footstock roof is connected, and the other end orientation atomizing base extends, the inside of column casing forms the connecting channel, the connecting channel has relative first opening and the second opening that sets up, first opening runs through the footstock roof, the second opening intercommunication connecting channel with the stock solution chamber, the atomizing core set up in the bottom of connecting channel, just the atomizing face orientation first opening.

4. An aerosol-generating device according to claim 3, wherein the atomizing seat assembly comprises a mounting seat disposed within the connecting channel, the mounting seat and the inner wall of the connecting channel defining the atomizing space therebetween, the atomizing chamber being in communication with the first opening, the conductive member passing through the mounting seat.

5. An aerosol-generating device according to claim 4, wherein the mount comprises a first portion and a second portion, the first portion being sandwiched between the atomizing core and an inner wall of the connecting channel, the second portion being located above the atomizing core, the conductive element passing through the second portion; and/or the number of the groups of groups,

the aerosol generating device comprises an air inlet channel, the first opening is communicated with the outside through the air inlet channel, a first air passing channel is formed by a gap between the mounting seat and the inner wall of the column casing, and the atomization cavity is communicated with the first opening through the first air passing channel.

6. An aerosol-generating device according to claim 5, wherein the mounting seat is formed with a second overair passage and a third overair passage, the first overair passage, the second overair passage and the third overair passage are in communication in sequence, the extension directions of the first overair passage and the third overair passage are the same as the extension direction of the air outlet passage, the extension direction of the second overair passage is perpendicular to the extension direction of the air outlet passage, the third overair passage is arranged towards the atomizing surface, and the center line of the third overair passage coincides with the center line of the atomizing surface.

7. An aerosol-generating device according to claim 3, comprising a housing assembly, the gap between the atomizing footstock and the housing assembly forming an air inlet passage through which the first opening communicates with the outside; and/or the number of the groups of groups,

the inner wall of the column casing is provided with a ventilation groove, one end of the ventilation groove extends to the second opening, and the other end of the ventilation groove extends to the atomizing cavity.

8. An aerosol-generating device according to claim 7, wherein the power supply assembly comprises a wire having one end electrically connected to the battery and the other end extending into the connection channel through the air inlet channel and the first opening in sequence and electrically connected to an end of the conductive member remote from the atomizing core.

9. An aerosol-generating device according to claim 3, comprising a housing assembly including an outlet duct having the outlet passage, at least part of the outlet duct extending into the connection passage to communicate the outlet passage with the atomising chamber; and/or the number of the groups of groups,

the atomizing seat assembly comprises a liquid guide piece, wherein the liquid guide piece is arranged at the bottom of the atomizing base and positioned at the second opening, and the liquid guide piece is used for guiding the aerosol generating substrate to the liquid suction surface.

10. An aerosol-generating device according to claim 2, wherein the cross-sectional area of the atomizing base decreases progressively with distance from the top seat top wall in a plane perpendicular to the centre line of the outlet channel; and/or the number of the groups of groups,

and on a plane perpendicular to the central line of the air outlet channel, the cross section of the atomizing base is round, elliptic, polygonal or racetrack.