CN219515314U - Aerosol generating device - Google Patents

Abstract

The utility model relates to an aerosol generating device, which comprises a microwave heating component and a microwave generating device, wherein the microwave heating component is connected with the aerosol generating device; the microwave generating device comprises a solid-state microwave source and a heat conduction bracket, wherein the solid-state microwave source is arranged on the heat conduction bracket; the solid-state microwave source comprises a radio frequency chip and a radio frequency board, wherein the radio frequency board comprises a first surface and a second surface opposite to the first surface, the radio frequency chip is connected to the first surface, and the first surface is connected with the heat conduction bracket. According to the aerosol generating device, the mounting mode of the radio frequency plate and the heat conduction bracket is changed, the chip surface of the radio frequency plate is mounted in the heat conduction bracket, heat dissipation is facilitated, the whole volume of the aerosol generating device can be effectively reduced, and the operation of a user is facilitated.

Description

Aerosol generating device

Technical Field

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

Background

The aerosol generating device of the related art has the advantages of high speed and good atomization effect because the aerosol generating device is heated and atomized by adopting the solid microwave source, the solid microwave source generally comprises a radio frequency plate and a radio frequency chip, but the efficiency of the radio frequency chip is usually smaller than the theoretical value, so that a large amount of waste heat is generated when the radio frequency chip is heated and atomized, and if the waste heat is not treated, the temperature rise of the chip exceeds the standard and the work is abnormal; or the waste heat is dissipated through the shell, so that the temperature rise of the shell exceeds the standard, the heat dissipation effect is poor, and the user experience is poor. And even if additional heat dissipation components are arranged for assisting in heat dissipation, the problem that the whole machine is overlarge in size due to unreasonable layout of components in the aerosol generating device is solved, and the operation of a user is inconvenient.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide an improved aerosol generating device.

The technical scheme adopted for solving the technical problems is as follows: an aerosol-generating device is configured, comprising:

a microwave heating assembly; and

a microwave generating device connected with the microwave heating assembly; the microwave generating device comprises a solid-state microwave source and a heat conduction bracket, wherein the solid-state microwave source is arranged on the heat conduction bracket;

the solid-state microwave source comprises a radio frequency chip and a radio frequency board, wherein the radio frequency board comprises a first surface and a second surface opposite to the first surface, the radio frequency chip is connected to the first surface, and the first surface is connected with the heat conduction bracket.

In some embodiments, the microwave generating device further comprises a heat sink disposed on the second surface.

In some embodiments, a heat conducting member is disposed between the radio frequency chip and the heat conducting bracket.

In some embodiments, the thermally conductive member is a thermally conductive pad.

In some embodiments, the microwave heating assembly comprises:

an outer conductor unit comprising a closed end, an open end opposite the closed end, and a cavity formed between the closed end and the open end;

the inner conductor unit is arranged in the cavity and comprises a feed-in end, and the feed-in end penetrates through the end wall of the closed end.

In some embodiments, the rf board is soldered to the feed-in terminal.

In some embodiments, the aerosol-generating device further comprises a power supply assembly electrically connected to the microwave heating assembly and comprising at least one battery disposed on a side of the thermally conductive holder adjacent to the radio frequency plate.

In some embodiments, the power supply assembly includes two batteries disposed on opposite sides of the thermally conductive holder.

In some embodiments, the aerosol-generating device further comprises a housing, the microwave heating assembly and the microwave generating device being disposed within the housing.

In some embodiments, the housing is fixedly connected to the thermally conductive holder by screws.

The implementation of the utility model has at least the following beneficial effects: according to the aerosol generating device, the mounting mode of the radio frequency plate and the heat conduction bracket is changed, the chip surface of the radio frequency plate is mounted in the heat conduction bracket, heat dissipation is facilitated, the whole volume of the aerosol generating device can be effectively reduced, and the operation of a user is facilitated.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of an embodiment of an aerosol-generating device of the present utility model;

fig. 2 is a cross-sectional view of an aerosol-generating device of the present utility model from one perspective;

fig. 3 is a cross-sectional view of an aerosol-generating device of the present utility model from another perspective;

FIG. 4 is a schematic view of the structure of an embodiment of the base of the present utility model;

FIG. 5 is a schematic view of the construction of one embodiment of the operating ring of the present utility model;

FIG. 6 is a schematic view of the structure of an embodiment of the microwave heating body of the present utility model;

FIG. 7 is an exploded view of one embodiment of a microwave heating assembly of the present utility model;

FIG. 8 is an exploded view of one embodiment of an aerosol-generating device of the present utility model;

fig. 9 is an exploded view of a microwave generating device and microwave heating assembly of the present utility model from one perspective;

fig. 10 is an exploded view of the microwave generating device and microwave heating assembly of the present utility model from another perspective.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate that the apparatus or element to be referred to must have specific directions, and thus should not be construed as limiting the present utility model.

It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. The terms "first," "second," "third," and the like are used merely for convenience in describing the present utility model and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," etc. may explicitly or implicitly include one or more such features. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present utility model with unnecessary detail.

Fig. 1 shows an aerosol-generating device 100 according to an embodiment of the utility model, which aerosol-generating device 100 may be used for microwave heating of an aerosol-generating article for aerosol generation for inhalation by a user.

Referring to fig. 2 and 3 together, in some embodiments, the aerosol-generating device 100 comprises a microwave heating assembly 10, a microwave generating device 20, and a power supply assembly 40, the microwave generating device 20 being coupled to the microwave heating assembly 10. In some embodiments, the aerosol-generating device 100 further comprises a housing 30, the microwave heating assembly 10, the microwave generating device 20, and the power supply assembly 40 are disposed within the housing 30, the power supply assembly 40 being configured to supply power to the microwave heating assembly 10, the microwave generating device 20. In some embodiments, the microwave heating assembly 10 includes a microwave heating body 1 and an operating ring 2, the operating ring 2 being sleeved on the microwave heating body 1.

Referring to fig. 2 and 4 together, in some embodiments, the aerosol-generating device 100 further comprises a base 3 for mounting an aerosol-generating article, the base 3 being removably inserted into the microwave heating body 1 and secured circumferentially to the operating ring 2. The base 3 includes a cylindrical body 31, and a plurality of limiting strips 32 disposed on the peripheral wall of the cylindrical body 31, wherein the plurality of limiting strips 32 are formed with a plurality of grooves 33, and the plurality of grooves 33 can be used for mounting a flaky aerosol-generating product. When the base 3 is inserted into the microwave heating body 1, the base 3 extends into the microwave heating body 1 through the operation ring 2, and the upper portion of the base 3 is clamped on the limiting structure 212 of the operation ring 2, so that the base 3 and the sheet-shaped aerosol-generating product arranged on the base 3 can be driven to rotate by controlling the operation ring 2.

In some embodiments, the microwave heating body 1 includes an outer conductor unit 14, an inner conductor unit 15, and a cylindrical opening 11, and the opening 11 is formed on the outer conductor unit 14. The opening 11 is provided with a plurality of engaging portions 12, and the engaging portions 12 are provided at intervals in the circumferential direction of the outer wall surface of the opening 11. In some embodiments, the number of the engaging portions 12 may be twelve, and the twelve engaging portions 12 are uniformly and equally spaced in the circumferential direction of the outer wall surface of the opening 11. It should be understood that the number of the engaging portions 12 is not limited to twelve, and may be adjusted according to practical situations, and is not particularly limited herein.

In some embodiments, an annular slot 13 is provided on an outer wall surface of the opening 11, and a plurality of engaging portions 12 are provided in the slot 13. The slot 13 may be used to cooperate with the resilient clip arm 22 to guide the resilient clip arm 22 such that the resilient clip arm 22 is conveniently engaged with the engaging portion 12.

Referring to fig. 5 and 6 together, in some embodiments, the operating ring 2 includes an annular body 21 and at least one resilient catch arm 22. The operation ring 2 can be selectively matched with the plurality of clamping parts 12 through the elastic clamping arms 22, so that the operation ring 2 can be clamped to different positions of the opening part 11, and the rotation stability is improved. The annular body 21 and the elastic clamping arm 22 can be made of stainless steel 304.

The annular body 21 is rotatably sleeved on the opening 11, the annular body 21 comprises at least one through hole 211, and the at least one through hole 211 penetrates from the inner wall surface to the outer wall surface of the annular body 21.

As shown in fig. 5, at least one elastic clamping arm 22 is disposed in at least one through hole 211 and along the circumferential direction of the annular body 21, and the at least one elastic clamping arm 22 can be selectively matched with the plurality of clamping parts 12. One through hole 211 is correspondingly provided with one elastic clamping arm 22, and the size of each through hole 211 is larger than that of each elastic clamping arm 22 so as to be used for installing the elastic clamping arm 22. In some embodiments, the number of the elastic clamping arms 22 is two, and the two elastic clamping arms 22 are arranged at intervals in the circumferential direction of the annular body 21. It should be understood that the number of the elastic clamping arms 22 is not limited to two, and may be adjusted according to the actual engagement with the engaging portion 12, which is not particularly limited herein.

In some embodiments, the resilient clip arms 22 may be spring tabs. In some embodiments, the thickness of the resilient clip arms 22 may be 0.38mm to 0.42mm. The thickness of the resilient clip arms 22 is preferably 0.4mm.

In some embodiments, the through hole 211 may be rectangular, and the elastic clamping arm 22 is substantially in a long sheet shape, and the elastic clamping arm 22 is disposed in the through hole 211. The elastic clamping arm 22 includes a fixed end 221 and a free end 222 opposite to the fixed end 221, the fixed end 221 is fixed on the annular body 21, the free end 222 extends along the circumferential direction of the annular body 21, and the free end 222 can extend into the space defined by the annular body 21 and selectively cooperate with the plurality of clamping portions 12.

In some embodiments, the free end 222 includes a first limiting portion 2221, the first limiting portion 2221 protrudes from an end surface of the elastic clamping arm 22 near the microwave heating body 1, and the first limiting portion 2221 can selectively cooperate with the plurality of clamping portions 12 to complete limiting. The operation ring 2 and the microwave heating main body 1 can be self-locked in the height direction by pressing the elastic clamping arm 22, and the microwave heating main body is not easy to fall off.

In some embodiments, the thickness of the first stop 2221 may be 0.18mm to 0.22mm. The thickness of the first stopper 2221 is preferably 0.2mm. In some embodiments, the engaging portion 12 is a slot, and the slot is elliptical in shape.

The first limiting portion 2221 of the at least one elastic clamping arm 22 is operatively clamped in the clamping groove, so as to realize the function of unidirectional rotation and reverse self-locking. As shown in fig. 6, this embodiment can realize clockwise unidirectional rotation and counter-clockwise self-locking. In some embodiments, the depth of the card slot may be 0.18mm to 0.22mm. The depth of the clamping groove is preferably 0.2mm.

As shown in fig. 5, in some embodiments, a limiting structure 212 is disposed on an inner wall surface of the annular body 21, for the operation ring 2 to cooperate with the opening 11, and the limiting structure 212 is disposed at one end of the inner wall surface of the annular body 21, along a circumferential direction of the annular body 21, and abuts against the opening 11.

In some embodiments, the limiting structure 212 includes a second limiting portion 2121, where the second limiting portion 2121 may be disposed on an inner peripheral wall of one end of the annular body 21, and the second limiting portion 2121 extends from an inner wall of the annular body 21 toward an axis of the annular body 21; when the operating ring 2 is installed from above the microwave heating body 1, the bottom end surface of the second limiting portion 2121 abuts against the top end surface of the opening 11, and the second limiting portion 2121 can limit the operating ring 2 to move downward, and ensure that the elastic clamping arms 22 of the operating ring 2 correspond to the positions of the clamping portions 12, so that the elastic clamping arms 22 can be selectively matched with the plurality of clamping portions 12.

In some embodiments, the spacing structure 212 further includes a boss 2122 disposed on the second spacing portion 2121. The protruding portion 2122 protrudes from the second stopper portion 2121 for fixing the aerosol-generating article or the base 3 equipped with the aerosol-generating article. The number of the protruding portions 2122 may be a plurality, and the protruding portions 2122 are disposed on the second limiting portion 2121 at intervals. In some embodiments, the number of the protrusions 2122 is twelve, and the twelve protrusions 2122 are uniformly and equally spaced on the inner wall surface of the second limiting portion 2121. In some embodiments, the minimum inner diameter of the spacing structure 212 is 0.38mm to 0.42mm smaller than the outer diameter of the aerosol-generating article. Preferably, the minimum inner diameter of the retaining structure 212 is 0.4mm smaller than the outer diameter of the aerosol-generating article, so that the base 3 can be clamped in the retaining structure 212 of the operating ring 2. It will be appreciated that the boss 2122 is for gripping the base 3 fitted with the aerosol-generating article such that the operating ring 2 may rotate the base 3 together, and that the boss 2122 may be omitted if it is not necessary to rotate the base 3.

The plurality of protruding portions 2122 are tightly matched with the columnar aerosol-generating article or the base 3 equipped with the flaky aerosol-generating article to facilitate fixing the aerosol-generating article or the base 3 equipped with the aerosol-generating article, so that the aerosol-generating article can be driven to rotate by controlling the operating ring 2 to heat different positions of the aerosol-generating article, and finally, the heating uniformity and the heating effect of the aerosol-generating article can be improved.

In some embodiments, a gap is left between the inner wall surface of the operation ring 2 and the outer wall surface of the opening 11 of the microwave heating body 1 to ensure that the operation ring 2 can rotate relative to the opening 11 of the microwave heating body 1. In some embodiments, the gap is 0.02mm to 0.05mm.

As shown in fig. 2, in some embodiments, the distance L between the outer wall surface of the operation ring 2 and the inner wall surface of the opening 11 is 0.88mm to 0.92mm. The distance between the outer wall surface of the operation ring 2 and the inner wall surface of the opening 11 is preferably 0.9mm, so that the conversion type engagement is realized, and the entire volume of the device can be made relatively small while ensuring that the operation ring 2 can rotate relative to the opening 11 and can be selectively engaged with the plurality of engaging portions 12.

As shown in fig. 7, in some embodiments, the outer conductor unit 14 has a cylindrical shape including a closed end 141, an open end 142 opposite to the closed end 141, and a cavity formed between the closed end 141 and the open end 142, and the opening 11 is formed at the open end 142. The inner conductor unit 15 is disposed in the cavity of the outer conductor unit 14 and may have good ohmic contact with the outer conductor unit 14. One end of the inner conductor unit 15 is a feed-in end 150, the feed-in end 150 extends away from the opening end 142, a feed-in hole 143 is formed in the end wall of the closed end 141, and the feed-in end 150 is inserted into the feed-in hole 143; the feed-in end 150 is matched with the microwave generating device 20 to realize microwave feed-in; the other end of the inner conductor unit 15 extends toward the open end 142.

In some embodiments, the axis of the inner conductor unit 15 and the axis of the outer conductor unit 14 are coincident with or parallel to each other, one end of which is connected to the closed end 141 of the outer conductor unit 14, and the inner conductor unit 15 is in ohmic contact with the closed end 141 of the outer conductor unit 14, forming a short-circuited end of the microwave heating assembly 10; the other end of the inner conductor element 15 extends toward the open end 142 of the outer conductor element 14 and does not contact the outer conductor element 14, forming an open end of the microwave heating assembly 10. In some embodiments, the inner conductor unit 15 may be made of a metal material. In some embodiments, the inner conductor unit 15 may be made of a non-metallic material and plated with a conductive coating on its inner or outer surface, which may include gold, silver, conductive oxide, conductive ceramic, etc.

As shown in fig. 7, in some embodiments, the inner conductor unit 15 includes a conductor disc 151 and a radiation structure 152 for microwave conduction, and the outer diameter of the conductor disc 151 is smaller than the inner diameter of the outer conductor unit 14, and in some embodiments, the conductor disc 151 may be made of a metallic material or may be made of a non-metallic material with an outer surface plated with a conductive coating. Preferably, the conductor disc 151 may be made of aluminum alloy or copper.

The conductor disc 151 includes a first end surface and a second end surface opposite to the first end surface, the radiation structure 152 is combined with the first end surface, and the feed-in terminal 150 is formed on the second end surface and extends away from the first end surface. In some embodiments, the radiating structure 152 is made of a conductive material or has its outer surface plated with a conductive layer. The radiating structure 152 includes at least one radiating element having a cross-section in the form of a fan to adjust the microwave field distribution and resonant frequency of the cavity. Of course, the radiating element may have another shape such as a rectangular cross section, and is not particularly limited herein.

In some embodiments, the number of radiating elements having a fan-shaped cross section is four, and the four radiating elements may be arranged at intervals, and may be equal or unequal in length. In some embodiments, three of the four radiating elements are of equal length and the three radiating elements of equal length are of smaller length than the remaining one radiating element, the microwave field in this embodiment being strongest around a pair of radiating elements of relatively longer length. It will be appreciated that the width of the radiating element may be adapted to the actual situation.

In some embodiments, the microwave heating assembly 10 further includes a support member 16, wherein the support member 16 is disposed in the cavity and fixed at the closed end 141 of the outer conductor unit 14, and a receiving space 161 for fixing and supporting the inner conductor unit 15 is formed in the support member 16, and the inner conductor unit 15 is mountable in the receiving space 161. The bottom wall 302 of the supporting member 16 is provided with a through hole 162 through which the feeding end 150 of the inner conductor unit 15 passes, and the feeding end 150 is disposed through the through hole 162. The material of the support 16 is chosen to be non-microwave absorbing and may be made of Polytetrafluoroethylene (PTFE).

Referring to fig. 2, 8, 9 and 10 together, the microwave generating device 20 includes a solid state microwave source 201 and a thermally conductive holder 202, the solid state microwave source 201 being mounted on the thermally conductive holder 202. The solid state microwave source 201 may generate microwaves for microwave heating of the aerosol-generating article. The heat conducting bracket 202 is fixedly connected with the housing 30, and the heat conducting bracket 202 may be a metal bracket made of a metal material, which has a heat conducting effect and can conduct heat of the solid state microwave source 201 when the solid state microwave source 201 is mounted on the heat conducting bracket 202.

As shown in fig. 8, in some embodiments, thermally conductive holder 202 is fixedly attached to housing 30 by screws. The housing 30 includes a side wall 301 and a bottom wall 302 that are detachably connected, at least two first screw holes are respectively provided on the side wall 301 and the bottom wall 302, and second screw holes that are matched with the first screw holes are provided on corresponding positions of the heat conducting bracket 202. And the heat conducting bracket 202 is fixed to the shell 30 by using screws to be arranged in the first screw hole and the second screw hole, so that the structure is simple, and the disassembly and the assembly are convenient.

Referring to fig. 2, 9 and 10 together, in some embodiments, the solid state microwave source 201 includes a radio frequency chip 2011 and a radio frequency board 2012, the radio frequency board 2012 includes a first surface 2013 and a second surface 2014 opposite to the first surface 2013, the radio frequency chip 2011 is connected to the first surface 2013, and the first surface 2013 is connected to the thermally conductive holder 202. In this embodiment, the first surface 2013 of the radio frequency board 2012 is a chip surface, and the second surface 2014 of the radio frequency board 2012 is a ground plane. Unlike the ground plane of the radio frequency board 2012 being mounted in the thermally conductive holder 202, this embodiment employs a flip-chip manner, the first surface 2013 (chip side) is mounted in the thermally conductive holder 202, and the radio frequency chip 2011 can be accommodated in a space defined inside the thermally conductive holder 202, so that the overall volume of the aerosol generating device 100 can be reduced by improving the assembly manner between the components.

In some embodiments, a heat conducting member is disposed between the rf chip 2011 and the heat conducting bracket 202. The heat conductive member may be a heat conductive pad. In this way, heat conduction between the rf chip 2011 and the heat conduction bracket 202 can be increased, and heat dissipation of the rf chip 2011 can be further assisted, so that heat of the rf chip 2011 is conducted to the heat conduction bracket 202 to be dissipated, and heat dissipation capacity is improved.

As shown in fig. 9, in some embodiments, the microwave generating device 20 further includes a heat sink 203, the heat sink 203 being disposed on the second surface 2014. The heat sink 203 includes a plurality of fins disposed on the second surface 2014 in parallel and spaced apart. By providing the radiator 203 on the second surface 2014 (ground plane), the heat dissipation of the rf board 2012 can be further assisted, and the first surface 2013 can dissipate heat through the heat conductive bracket 202, so that both sides of the rf board 2012 can dissipate heat simultaneously, and the heat dissipation is improved.

As shown in fig. 2, in some embodiments, the microstrip line of the radio frequency board 2012 is soldered to the feeding end 150 of the inner conductor unit 15 to feed the microwaves generated by the solid state microwave source 201 of the microwave generating device 20 into the inner conductor unit 15 and the outer conductor unit 14 through the feeding end 150, and the microwave heating assembly 10 may form a microwave field after the microwaves are fed, and the microwave field may act on the aerosol-generating article to heat the microwaves. Compared with the mode of inserting the microwave feed-in unit into the outer conductor unit 14 from the outer peripheral wall of the outer conductor unit 14 to realize feed-in, the microstrip line of the radio frequency board 2012 is lap welded with the feed-in end 150 of the inner conductor unit 15, so that the insertion loss can be reduced, and the energy feed-in efficiency can be improved.

As shown in fig. 3, in some embodiments, the power supply assembly 40 is electrically connected to the microwave heating assembly 10, and the power supply assembly 40 includes at least one battery, where the at least one battery is disposed on a side of the heat conducting bracket 202 adjacent to the radio frequency board 2012, so that the internal space of the housing 30 can be fully utilized for arrangement, and the volume of the aerosol generating device 100 is effectively reduced.

In some embodiments, the power supply assembly 40 includes two batteries disposed on opposite sides of the thermally conductive holder 202, the two batteries being disposed on left and right sides of the thermally conductive holder 202.

It is to be understood that the above examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the utility model; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. An aerosol-generating device, comprising:

a microwave heating assembly; and

a microwave generating device connected with the microwave heating assembly; the microwave generating device comprises a solid-state microwave source and a heat conduction bracket, wherein the solid-state microwave source is arranged on the heat conduction bracket;

the solid-state microwave source comprises a radio frequency chip and a radio frequency board, wherein the radio frequency board comprises a first surface and a second surface opposite to the first surface, the radio frequency chip is connected to the first surface, and the first surface is connected with the heat conduction bracket.

2. The aerosol-generating device of claim 1, further comprising a heat sink disposed on the second surface.

3. The aerosol generating device of claim 1, wherein a thermally conductive member is disposed between the rf chip and the thermally conductive holder.

4. An aerosol generating device according to claim 3, wherein the thermally conductive member is a thermally conductive pad.

5. The aerosol-generating device of claim 1, wherein the microwave heating assembly comprises:

an outer conductor unit comprising a closed end, an open end opposite the closed end, and a cavity formed between the closed end and the open end;

the inner conductor unit is arranged in the cavity and comprises a feed-in end, and the feed-in end penetrates through the end wall of the closed end.

6. The aerosol generating device of claim 5, wherein the radio frequency plate is welded to the feed-in end.

7. The aerosol-generating device of claim 1, further comprising a power supply assembly electrically connected to the microwave heating assembly and comprising at least one battery disposed on a side of the thermally conductive support adjacent the radio frequency plate.

8. The aerosol generating device of claim 7, wherein the power supply assembly comprises two batteries disposed on opposite sides of the thermally conductive support.

9. The aerosol-generating device of claim 1, further comprising a housing, the microwave heating assembly and the microwave generating device being disposed within the housing.

10. The aerosol generating device of claim 9, wherein the housing is fixedly connected to the thermally conductive support by a screw.