CN220557413U - Microwave heating assembly and aerosol generating device - Google Patents

Abstract

The application relates to a microwave heating assembly and an aerosol generating device. The microwave heating assembly comprises a heating assembly, a transmission channel and a resonant cavity are formed in the heating assembly, the transmission channel is used for accommodating aerosol generating substrates, and at least part of the transmission channel is communicated with the resonant cavity to form an atomization area; a transfer assembly extending at least partially into the transfer passage; and an extrusion member provided in the conveyance passage; wherein the transport assembly is controlled to drive the aerosol-generating substrate along the transport channel, and the extrusion is capable of extruding the aerosol-generating substrate positioned within the transport channel. Through setting up the extrusion piece in the transfer passage that holds aerosol and generate the matrix, form the extrusion to aerosol and generate the matrix for aerosol generates the matrix and increases in the pull-out plug force of transfer passage, and the user is difficult for taking the aerosol and generates the matrix away from the heating zone of microwave heating subassembly by mistake in the suction process, has improved user experience.

Description

Microwave heating assembly and aerosol generating device

Technical Field

The application relates to the technical field of atomization, in particular to a microwave heating component and an aerosol generating device.

Background

A Heating Not Burn (HNB) aerosol generating device is an electronic device for a system in which an aerosol generating substrate (processed plant product) is heated but Not burned.

In the related art, an aerosol generating device adopts a microwave heating mode, and when in use, a user inserts an aerosol generating substrate into a microwave heating component for heating, so as to generate aerosol for sucking by the user. However, the user may easily take the aerosol-generating substrate away from the heating area of the microwave heating assembly during the pumping process due to improper operation or sticky saliva, resulting in improper heating and thus reduced user experience.

Disclosure of Invention

Accordingly, it is necessary to provide a microwave heating unit and an aerosol-generating device that are capable of preventing an aerosol-generating substrate from being easily carried away from a heating region of the microwave heating unit, with respect to a conventional heating non-combustion type aerosol-generating device.

The application provides a microwave heating assembly, comprising:

the heating component is internally provided with a conveying channel and a resonant cavity, the conveying channel is used for accommodating aerosol generating substrates, and at least part of the conveying channel is communicated with the resonant cavity to form an atomization area;

a transfer assembly extending at least partially into the transfer passage; and

an extrusion piece arranged in the conveying channel;

wherein the transport assembly is controlled to drive the aerosol-generating substrate along the transport channel, and the extrusion is capable of extruding the aerosol-generating substrate positioned within the transport channel.

In one embodiment, the extrusion is coupled to the transfer assembly and moves in synchronism with the transfer assembly.

In one embodiment, the extrusion has an extrusion cavity for receiving at least a portion of the aerosol-generating substrate and extruding the aerosol-generating substrate.

In one embodiment, the extrusion chamber comprises a side wall forming the extrusion of the aerosol-generating substrate and a bottom wall forming the support for the aerosol-generating substrate.

In one embodiment, at least a portion of the sidewalls are made of a wave-transparent material.

In one embodiment, the side wall and the aerosol-generating substrate have a first air gap therebetween and/or the bottom wall is provided with a first vent.

In one embodiment, the cross-section of the extrusion chamber is profiled.

In one embodiment, the extrusion forms a compression space with the inner wall of the transfer channel, the compression space being adapted to receive and compress the aerosol-generating substrate.

In one embodiment, the extrusion includes a carrier portion disposed at one end of the transfer assembly and an insert portion disposed at an end of the carrier portion remote from the transfer assembly.

In one embodiment, the carrier part is provided with a second ventilation hole, or a second air gap is formed between the aerosol-generating substrate and the carrier part

In a second aspect, there is also provided an aerosol-generating device comprising a microwave heating assembly according to any of the embodiments described above.

According to the microwave heating assembly and the aerosol generating device, the extrusion piece is arranged in the conveying channel containing the aerosol generating substrate, the aerosol generating substrate is extruded, so that the pulling and inserting force of the aerosol generating substrate in the conveying channel is large, a user cannot easily take the aerosol generating substrate away from the heating area of the microwave heating assembly in the sucking process, and the user experience is improved.

In addition, as the pulling and inserting force of the aerosol generating substrate in the conveying channel is large, the aerosol generating substrate can keep the conveying matching relation with the conveying assembly, the heating and atomizing stability of the aerosol generating substrate is improved, and the sucking taste is kept consistent all the time.

Drawings

Fig. 1 is a schematic structural diagram of a microwave heating assembly according to an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of the microwave heating assembly shown in fig. 1.

Fig. 3 is a schematic cross-sectional view of the microwave heating assembly shown in fig. 2 in a use state.

Fig. 4 is a schematic view showing a combined structure of a pusher plate and an extrusion in the microwave heating assembly shown in fig. 2.

FIG. 5 is a schematic cross-sectional view of an extrusion in an embodiment of the present application.

Fig. 6 is a schematic cross-sectional structure of a microwave heating assembly in another embodiment.

Fig. 7 is a schematic cross-sectional view of the microwave heating assembly shown in fig. 6 in a use state.

Fig. 8 is a schematic cross-sectional structure of a microwave heating assembly in yet another embodiment.

Fig. 9 is a schematic cross-sectional view of the microwave heating assembly shown in fig. 8 in a use state.

Fig. 10 is a schematic view showing a combination structure of a push plate and an extrusion in the microwave heating assembly shown in fig. 8.

Reference numerals:

a microwave heating assembly 100;

a heating assembly 10;

a transfer channel 11, an atomizing area 111, a first transfer channel 112, a second transfer channel 113, a receiving port 1131, a resonator 12, an inner housing 13, an inner conductor 131, an outer housing 14, an outer conductor 141, an upper cover 142, a coaxial connector 15;

a transfer assembly 20;

the push rod 21, the driving assembly 22, the air inlet channel 24 and the air inlet 241;

an extrusion 30;

the pressing chamber 31, the side wall 311, the bottom wall 312, the first air gap 32, the first vent hole 33, the pressing space 34, the bearing portion 35, the second vent hole 351, the insertion portion 36, the tip portion 361, the connection portion 362;

an aerosol-generating substrate 200.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., these terms refer to the orientation or positional relationship based on the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

The accompanying drawings are not 1:1, and the relative dimensions of the various elements are drawn by way of example only in the drawings and are not necessarily drawn to true scale.

Fig. 1 is a schematic structural diagram of a microwave heating assembly according to an embodiment of the present application. FIG. 2 is a schematic cross-sectional view of the microwave heating assembly shown in FIG. 1; fig. 3 is a schematic cross-sectional view of the microwave heating assembly shown in fig. 2 in a use state.

Referring to fig. 1-3, a microwave heating assembly 100 is provided in accordance with an embodiment of the present application. Microwave heating is a heating technique whereby an aerosol-generating substrate 200 is irradiated by microwaves, causing it to rise in temperature by self dielectric loss to generate an aerosol. The microwave source is configured to generate a microwave signal to the microwave heating assembly 100, and to generate microwave radiation after the microwave signal is fed into the microwave heating assembly 100, thereby heating the aerosol-generating substrate 200.

In particular embodiments of the present application, microwave heating assembly 100 includes a heating assembly 10, a delivery assembly 20, and an extrusion 30.

The heating element 10 has a transfer channel 11 and a cavity 12 formed therein, the transfer channel 11 being adapted to receive an aerosol-generating substrate 200, at least a portion of the transfer channel 11 being in communication with the cavity 12 and forming an atomization zone 111. In this manner, the microwave signal generated by the microwave source is capable of forming microwave radiation within the cavity 12. The microwaves within the cavity 12 can be transmitted to the nebulization region 111 of the delivery channel 11, thereby heating the nebulized aerosol-generating substrate 200.

The delivery assembly 20 extends at least partially into the delivery channel 11, the delivery assembly 20 being controlled to drive the movement of the aerosol-generating substrate 200 along the delivery channel 11.

It should be noted here that the nebulization region 111 of the delivery channel 11 is located in the path of movement of the aerosol-generating substrate. In practice, the aerosol-generating substrate 200 is placed in the conveying channel 11, and the aerosol-generating substrate 200 is moved along the conveying channel 11 under the pushing of the conveying assembly 20, so that different segments of the aerosol-generating substrate 200 sequentially pass through the atomization region 111 during the sucking process, and the aerosol-generating substrate 200 in the current segment is heated and atomized by the microwaves conducted to the atomization region 111. In this way, the next segment of the aerosol-generating substrate 200 that is not heated for atomization is continuously conveyed to the atomization zone 111 throughout the atomization process, stabilizing the heated atomization process.

In particular, in the embodiment of the present application, the conveying channel 11 extends along the Z direction as shown in fig. 2, and the conveying component 20 may drive the aerosol-generating substrate 200 to move along the Z direction, so that the aerosol-generating substrate 200 is sequentially heated and atomized from top to bottom along the Z direction.

The extrusion 30 is disposed within the delivery channel 11 and is capable of at least partially extruding the aerosol-generating substrate 200 positioned within the delivery channel 11.

The extrusion 30 may be in contact with the aerosol-generating substrate 200 within the delivery channel 11 to extrude the aerosol-generating substrate 200. Of course, the extrusion 30 may also extrude the aerosol-generating substrate 200 in an indirect manner within the delivery channel 11.

It should be noted that the direction of the pressing force of the pressing member 30 against the aerosol-generating substrate 200 should intersect the moving direction of the aerosol-generating substrate 200 along the conveying channel 11, i.e. the direction of insertion and extraction of the aerosol-generating substrate 200, preferably both may be perpendicular to each other, for example, the direction of insertion and extraction of the aerosol-generating substrate 200 is the Z-direction shown in fig. 2, the pressing force direction is perpendicular to the Z-direction, and may be any direction perpendicular to the Z-direction.

By arranging the extrusion 30 in the conveying channel 11 accommodating the aerosol-generating substrate 200, the aerosol-generating substrate 200 is extruded, so that the pulling and inserting force of the aerosol-generating substrate 200 in the conveying channel 11 is increased, the aerosol-generating substrate 200 is not easily carried away from the heating area of the microwave heating assembly 100 by a user in the sucking process, and the user experience is improved.

In addition, since the insertion and withdrawal force of the aerosol-generating substrate 200 in the transport duct 11 is increased, the aerosol-generating substrate 200 can be maintained in a transport engagement relationship with the transport unit 20, the heating and atomizing stability of the aerosol-generating substrate 200 can be improved, and the suction taste can be kept consistent all the time.

Referring to fig. 2 and 3, in the embodiment of the present application, the heating assembly 10 includes an inner shell 13 and an outer shell 14 sleeved with each other, wherein a transmission channel 11 is formed inside the inner shell 13, and the outer shell 14 and at least part of the inner shell 13 are spaced apart from each other and define a resonant cavity 12 therebetween. In this way, the inner shell 13 and the outer shell 14 enclose the delivery channel 11 and the resonator 12, and the aerosol-generating substrate 200 in the delivery channel 11 is heated and atomized.

Specifically, the inner housing 13 includes an inner conductor 131, the outer housing 14 includes an outer conductor 141, and the outer conductor 141 is disposed around the outer periphery of the inner conductor 131, and defines a resonant cavity 12 with the inner conductor 131.

The inner conductor 131 and the outer conductor 141 may be made of a highly conductive metal such as copper or aluminum.

Further, the conveying channel 11 includes a first conveying channel 112 and a second conveying channel 113 coaxially arranged, the inner conductor 131 has the first conveying channel 112, the housing 14 further includes an upper cover 142, the upper cover 142 covers one end of the outer conductor 141, a resonant cavity 12 is defined among the inner conductor 131, the outer conductor 141 and the upper cover 142, the upper cover 142 has the second conveying channel 113, a space is arranged between a bottom surface of the upper cover 142 and a top surface of the inner conductor 131 to form a narrow slit communicated with the conveying channel 11, and the atomization area 111 is arranged corresponding to the narrow slit. The aerosol-generating substrate 200 within the transfer channel 11 is moved by the transfer assembly 20 from the first transfer channel 112 to the second transfer channel 113, allowing each segment of the aerosol-generating substrate 200 to move axially past the nebulization region 111, providing sufficient space for movement of the aerosol-generating substrate 200.

Further, the end of the second transfer channel 113 remote from the first transfer channel 112 forms a receiving opening 1131 in the upper cover 142, from which receiving opening 1131 the aerosol-generating substrate 200 enters the transfer channel 11.

In the embodiment of the present application, the heating assembly 10 further comprises a coaxial connector 15, the coaxial connector 15 being connected to a microwave source for feeding microwaves into the resonant cavity 12.

Specifically, one end of the coaxial connector 15 is connected to a microwave source, and the other end is inserted into the cavity 12 to be in contact with the inner wall surface of the cavity 12.

Referring to fig. 2-4, in some embodiments, extrusion 30 is coupled to and moves in synchronization with conveyor assembly 20.

The manner in which the extrusion 30 is connected to the transfer module 20 may be that the extrusion 30 contacts the transfer module 20 to be connected, or that the extrusion 30 is integrally connected to the transfer module 20, or that the extrusion 30 is indirectly connected to the transfer module 20, which is not particularly limited.

Because the extrusion 30 is coupled to the delivery assembly 20, the extrusion 30 may also follow the delivery assembly 20 and thus the aerosol-generating substrate 200 during movement of the aerosol-generating substrate 200 by the delivery assembly 20. In this way, the extrusion 30 can be kept pressed against the aerosol-generating substrate 200 during movement of the aerosol-generating substrate 200, thereby keeping providing a large pull-in force during heating and atomization.

In particular, the delivery assembly 20 comprises a push rod 21 protruding into the delivery channel 11, one side of the push rod 21 being capable of pushing the aerosol-generating substrate 200 along the delivery channel 11.

The extrusion 30 is connected to the side of the push rod 21 facing the aerosol-generating substrate 200. In this way, the extrusion 30 is able to follow the movement of the push rod 21 and thus the aerosol-generating substrate 200. More specifically, the outer contour shape of the push rod 21 is adapted to the inner contour shape of the transfer passage 11. For example, if the inner shape of the transfer passage 11 is circular, the outer shape of the push rod 21 is also circular.

Further, the conveying assembly 20 further comprises a driving assembly 22, one end of the push rod 21 is arranged outside the conveying channel 11 in a penetrating manner and connected with the driving assembly 22, and the driving assembly 22 is used for driving the push rod 21 to move along the conveying channel 11. The driving assembly 22 may include a driving member and a transmission assembly, where the driving member may be a motor, and the transmission assembly may convert a rotational motion of the motor into a linear motion of the push rod 21, and may specifically be a rack and pinion, a cam mechanism, or the like.

In other embodiments, the extrusion 30 may be attached to the inner wall of the delivery channel 11 to extrude the aerosol-generating substrate 200. For example, the extrusion 30 may include a raised structure protruding from the inner wall of the transfer channel 11.

Referring to fig. 2-4, in some embodiments of the present application, the extrusion 30 has an extrusion chamber 31, the extrusion chamber 31 for receiving and extruding the aerosol-generating substrate 200.

The extrusion 30 having the extrusion chamber 31 means that the extrusion 30 itself is configured to form the extrusion chamber 31 without being matched with other components to form the extrusion chamber 31.

When the aerosol-generating substrate 200 is at least partially disposed within the extrusion chamber 31, it can be extruded by the inner walls of the extrusion chamber 31, thereby generating a large pulling-in force. Thus, the manner in which the aerosol-generating substrate 200 is extruded by providing the extrusion chamber 31 is simple and the resulting insertion and extraction forces are reliable.

In particular, the extrusion chamber 31 comprises a side wall 311 and a bottom wall 312, the side wall 311 forming the extrusion of the aerosol-generating substrate 200 and the bottom wall 312 forming the support for the aerosol-generating substrate 200.

The side walls 311 can form lateral compression of the aerosol-generating substrate 200, while the bottom wall 312 can not only support the aerosol-generating substrate 200, but also limit deformation of the aerosol-generating substrate 200 in other directions due to lateral compression, thereby reliably generating a large pulling-in force.

In the present embodiment, the bottom wall 312 is connected to the transfer assembly 20.

Further, the cross-sectional shape of the pressing chamber 31 is shaped.

The cross-sectional shape of the pressing chamber 31 refers to a cross-sectional shape taken in the horizontal direction as shown in fig. 2.

The profile refers to a shape that is different from the cross-section of the housed aerosol-generating substrate 200. Typically, the aerosol-generating substrate 200 is cylindrical in cross-sectional shape and circular, and the cross-sectional shape of the extrusion chamber 31 is non-circular.

By providing the extrusion chamber 31 with a non-circular cross-sectional shape, at least one opposing non-uniform force can be generated against the extrusion chamber 31 after the aerosol-generating substrate 200 is received in the extrusion chamber 31, whereby the aerosol-generating substrate 200 is hindered from being inserted and removed with a large insertion and removal force.

As shown in fig. 5, in particular, in the embodiment of the present application, the cross-sectional shape of the pressing chamber 31 is elliptical.

In practical applications, when the aerosol-generating substrate 200 is accommodated in the extrusion chamber 31, the opposite position of the minor axis of the ellipse of the extrusion chamber 31 can be in interference fit with the aerosol-generating substrate 200 to form extrusion, wherein the X-hatched area in the figure is the area where the aerosol-generating substrate 200 is extruded, and the opposite position of the major axis of the ellipse of the extrusion chamber 31 provides a small amount of release space for the aerosol-generating substrate 200 to deform in extrusion, so as to avoid the aerosol-generating substrate 200 from being damaged during extrusion.

Therefore, by providing the cross-sectional shape of the pressing chamber 31 with an elliptical shape, two pressing forces in the direction of the minor axis of the ellipse can be provided to the aerosol-generating substrate 200, so that the aerosol-generating substrate 200 can form a large pressing friction force with the opposite sides of the pressing chamber 31, thereby providing a large insertion and extraction force.

In other embodiments, the cross-sectional shape of the extrusion chamber 31 may be triangular, corrugated circular, rectangular, etc., which is not particularly limited.

Referring to fig. 6 and 7, in the embodiment of the present application, at least part of the sidewall 311 is made of a wave-transparent material.

The wave-transmitting material is a material that transmits microwaves. Specifically, the material can be quartz glass or plastic materials such as polytetrafluoroethylene, peek (polyether ether ketone) and the like.

In practical applications, during the controlled driving of the delivery assembly 20 to move the aerosol-generating substrate 200 along the delivery channel 11, if the extrusion member 30 is connected to the delivery assembly 20, the extrusion member 20 may move along the delivery channel 11, and when moving to the atomization region 111, a narrow gap between the resonant cavity 12 and the delivery channel 11 may be covered, so that microwaves from the resonant cavity 12 may reach the extrusion cavity 11 through the sidewall 311 of the wave-transparent material to heat and atomize the aerosol-generating substrate 200.

In the related art, when the aerosol with higher temperature passes through the narrow gap between the resonant cavity 12 and the transmission channel 11, that is, the narrow gap between the bottom surface of the upper cover 142 and the top surface of the inner conductor 131, a circle of large-particle water drops are formed by condensation and deposition on the bottom surface of the upper cover 142, so that the heating and atomization of the aerosol generating substrate 200 are not facilitated, the energy loss and insufficient heating are caused, and the aerosol generating amount and the taste are affected. Accordingly, the sidewall 311 provided with the wave-transparent material can be covered with a narrow slit, thereby reducing the condensation deposition phenomenon.

Alternatively, the extrusion 30 includes a wave-transparent tube having a sidewall 311 of the extrusion cavity 31.

Referring again to fig. 5, in some embodiments, a first air gap 32 is provided between the sidewall 311 and the aerosol-generating substrate 200.

The first air gap 32 refers to a gap that can communicate with the outside atmosphere.

For example, when the cross-sectional shape of the extrusion chamber 31 is elliptical, the air gap 32 is formed on both sides of the aerosol-generating substrate 200 opposite to the major axis of the ellipse of the extrusion chamber 31.

By providing the first air gap 32, air can smoothly and sufficiently reach the side portion of the aerosol-generating substrate 200, and aerosol generated by heating and atomizing can be smoothly sucked by a user.

Referring again to fig. 4, in other embodiments, the bottom wall 312 is provided with a first vent hole 33.

The first vent hole 33 is a hole that can communicate with the outside atmosphere.

By providing the first ventilation holes 33 in the bottom wall 312, the arrangement of the air intake flow path can be simplified and the air flow can be made to reach the aerosol-generating substrate 200 directly.

In other embodiments, a first air gap 32 is provided between the sidewall 311 and the aerosol-generating substrate 200, and the bottom wall 312 is provided with a first vent hole 33.

Specifically, outside air may enter the first air gap 32 through the first vent 33. For example, when the cross-sectional shape of the pressing chamber 31 is elliptical, the first vent 33 may be provided directly below the first air gap 32. Therefore, air circulation is smooth, heating and atomization are more complete, and aerosol discharge is smoother.

In addition to the extrusion 30 having an extrusion chamber 31 for extruding the aerosol-generating substrate 200, referring to fig. 8 and 9, in other embodiments of the present application, an extrusion space 34 is formed between the extrusion 30 and the inner wall of the delivery channel 11, the extrusion space 34 being for receiving and extruding the aerosol-generating substrate 200.

The extrusion space 34 formed between the extrusion member 30 and the inner wall of the transfer passage 11 may be the extrusion space 34 formed directly between the extrusion member 30 and the transfer passage 11, for example, the extrusion space 34 formed between the outer wall of the extrusion member 30 and the inner wall of the transfer passage 11, or the extrusion space 34 formed indirectly between the extrusion member 30 and the inner wall of the transfer passage 11, for example, an intermediate member provided between the extrusion member 30 and the transfer passage 11, the extrusion space 34 formed between the outer wall of the extrusion member 30 and the intermediate member, which may be a wave-transmitting tube.

When the aerosol-generating substrate 200 is at least partially disposed within the extrusion space 34, it can be extruded within the extrusion space 34, thereby generating a large extraction force. The manner of pressing the aerosol-generating substrate 200 by the pressing space 34 formed between the pressing member 30 and the transfer passage 11 is simple and the generated insertion and extraction force is reliable.

Referring to fig. 8-10, in particular, the extrusion 30 has one end connected to a side of the delivery assembly 20 facing the aerosol-generating substrate 200 and the other end projecting away from the delivery assembly 20. Specifically, the protruding direction of the pressing member 30 is the Z direction shown in fig. 8.

When the aerosol-generating substrate 200 is inserted into the extrusion space 34, the extrusion 30 can be inserted into the interior of the aerosol-generating substrate 200 to extrude the aerosol-generating substrate.

In general, the medium is filled in the aerosol-generating substrate 200, and therefore, without changing the solid structure of the aerosol-generating substrate 200, the extrusion 30 is inserted into the aerosol-generating substrate 200, so that the aerosol-generating substrate 200 can be smoothly inserted into the extrusion space 34, and a corresponding extrusion force can be generated inside the aerosol-generating substrate 200 after the extrusion 30 is inserted into the aerosol-generating substrate 200.

Referring to fig. 10, in some embodiments, the extrusion 30 includes a carrier 35 and an insert 36, the carrier 35 being disposed at one end of the transfer module 20, and the insert 36 being disposed at an end of the carrier 35 remote from the transfer module 20.

The carrying portion 35 refers to a portion capable of carrying the aerosol-generating substrate 200.

Because the insertion portion 36 is disposed at one end of the bearing portion 35, the aerosol-generating substrate 200 can be pierced at first at the moment when the aerosol-generating substrate 200 is inserted into the extrusion space 34, so that the aerosol-generating substrate 200 can be conveniently inserted continuously, the subsequent insertion process is smoother, and damage to the aerosol-generating substrate 200 due to insertion into the extrusion 30 is reduced.

Further, the insertion portion 36 includes a tip portion 361 having a conical shape. The conical tip 361 has a small head end and an opposite large head end, the small head end being disposed farther from the transfer assembly 20 than the large head end.

At the moment when the aerosol-generating substrate 200 is inserted into the pressing space 34, the small end of the conical tip 361 can pierce the end face of the aerosol-generating substrate 200, and as the aerosol-generating substrate 200 is further inserted, the conical surface continuously presses the aerosol-generating substrate 200 to move along the circumferential radial direction, so that the aerosol-generating substrate 200 is smoothly inserted and uniformly stressed.

Further, the insertion portion 36 further has a connecting portion 362, the connecting portion 362 is connected between the tip portion 361 and the carrying portion 35, and the connecting portion 362 is cylindrical.

As the aerosol-generating substrate 200 continues to be inserted by the extrusion of the tip portion 361, the cylindrical connecting portion 362 will be inserted into the aerosol-generating substrate 200 and the cylindrical surface will compress the aerosol-generating substrate 200 radially along the circumference until it is in contact with the carrier portion 35. In this way, the cylindrical connecting portion 362 can form a large contact surface with the aerosol-generating substrate 200, thereby increasing the pressing friction force and further increasing the insertion/extraction force. The cylindrical connecting portion 362 may make the pressing force applied to the aerosol-generating substrate 200 uniform.

In some embodiments, the bearing portion 35 is provided with a second ventilation hole 351.

The second ventilation holes 351 are holes that can communicate with the outside atmosphere.

By providing the second ventilation holes 351 in the carrier portion 35, the arrangement of the air intake passage can be simplified, and the air flow can directly reach the aerosol-generating substrate 200.

In other embodiments, a second air gap is formed between the aerosol-generating substrate 200 and the carrier 35.

The second air gap refers to a gap that is capable of communicating with the outside atmosphere.

By providing the second air gap, air can smoothly and sufficiently reach the bottom of the aerosol-generating substrate 200, and aerosol generated by heating and atomizing can be smoothly sucked by a user.

In the embodiment of the present application, the side of the carrying part 35 facing away from the insertion part 36 is connected to the transfer module 20.

Based on the same inventive concept, the present application also provides an aerosol-generating device comprising the microwave heating assembly 100 of any of the embodiments described above.

Further, the aerosol-generating device may further comprise a microwave source, a power supply assembly, a controller or the like. The controller is in communication with the microwave source for controlling the microwave source to generate microwaves. The power supply assembly may provide power for the microwave source and the controller to operate.

Based on the same inventive concept, the present application also provides an aerosol-generating system comprising an aerosol-generating device and an aerosol-generating substrate 200 according to any of the embodiments described above.

Further, the aerosol-generating substrate 200 may be provided separately from the aerosol-generating device or may be inserted into the delivery channel 11 of the aerosol-generating device.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the patent. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (11)

1. A microwave heating assembly, comprising:

a heating assembly having a transfer passage and a resonant cavity formed therein, the transfer passage being adapted to receive an aerosol-generating substrate, at least a portion of the transfer passage being in communication with the resonant cavity to form an atomization zone;

a transfer assembly extending at least partially into the transfer passage; and

an extrusion piece arranged in the conveying channel;

wherein the transport assembly is controlled to drive the aerosol-generating substrate along the transport channel, the extrusion being capable of extruding the aerosol-generating substrate within the transport channel.

2. The microwave heating assembly of claim 1, wherein the extrusion is coupled to the delivery assembly and moves in unison with the delivery assembly.

3. A microwave heating assembly in accordance with claim 2, wherein the extrusion has a extrusion cavity for receiving at least a portion of the aerosol-generating substrate and extruding the aerosol-generating substrate.

4. A microwave heating assembly in accordance with claim 3 wherein the extrusion chamber comprises side walls forming an extrusion of the aerosol-generating substrate and a bottom wall forming a support for the aerosol-generating substrate.

5. The microwave heating assembly of claim 4, wherein at least a portion of the side wall is made of a wave-transparent material.

6. A microwave heating assembly in accordance with claim 4, wherein the side wall and the aerosol-generating substrate have a first air gap therebetween and/or the bottom wall is provided with a first vent.

7. The microwave heating assembly of claim 4, wherein the extrusion chamber is profiled in cross-section.

8. A microwave heating assembly as in claim 2 wherein a compression space is formed between the extrusion and an inner wall of the delivery channel, the compression space for receiving and compressing the aerosol-generating substrate.

9. The microwave heating assembly of claim 8, wherein the extrusion comprises a carrier portion disposed at an end of the delivery assembly and an insert portion disposed at an end of the carrier portion remote from the delivery assembly.

10. A microwave heating assembly as in claim 9 wherein the carrier is provided with a second vent or a second air gap is formed between the aerosol-generating substrate and the carrier.

11. An aerosol-generating device comprising a microwave heating assembly according to any one of claims 1 to 10.