CN112826142A

CN112826142A - Atomizing core, atomizing device and aerosol generating device

Info

Publication number: CN112826142A
Application number: CN202110174338.9A
Authority: CN
Inventors: 陈平
Original assignee: Shenzhen Huachengda Precision Industry Co Ltd
Current assignee: Shenzhen Huachengda Precision Industry Co Ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-05-25
Also published as: WO2022170799A1

Abstract

The invention relates to an atomizing core, an atomizing device and an aerosol generating device, wherein the atomizing core comprises: the atomizing core comprises an atomizing core main body, a liquid inlet groove and a liquid outlet groove, wherein the liquid inlet groove is used for sucking and temporarily storing atomized liquid; and the heating body is arranged on the bottom surface of the atomizing core main body and is used for heating the atomized liquid conducted through the atomizing core main body to generate aerosol. This atomizing core area is 2 times of ordinary ceramic core, and its temperature distribution who improves the atomizing core lets temperature distribution more even, and the atomizing uniformity is better, improves atomizing device and sticks with paste the flavor to can increase the area that generates heat, promote the smog volume, and this atomizing core structure is simple relatively, and the part is less, has reduced manufacturing cost.

Description

Atomizing core, atomizing device and aerosol generating device

Technical Field

The invention relates to the technical field of smoke articles, in particular to an atomizing core, an atomizing device and an aerosol generating device.

Background

The atomizer heats nicotine-containing tobacco tar to boiling point with a heating component, and forms a gas-liquid mixture (scholar aerosol, similar to cigarette) together with air, so that a user can feel smoking, and can supplement nicotine to achieve the effects of smoking and addiction relief. However, atomizers have been associated with several disadvantages that are difficult to solve:

1 is burnt flavor: generally, the atomization temperature of the tobacco tar is about 210-230 ℃, and when the heating component is heated unevenly, the local temperature is too high and exceeds 250 ℃, and when the temperature is too high, namely higher than the boiling point of the tobacco tar, glycerol (VG) and essence components in the tobacco tar are cracked at high temperature to release harmful substances such as formaldehyde and benzenes, so that peculiar smell or burnt smell is generated.

2, the existing ceramic atomizing cores have complex structure, many parts and high cost. However, most atomizers are disposable, and the high cost hinders the popularization of products.

Disclosure of Invention

The invention aims to solve the technical problem of providing an atomizing core, an atomizing device and an aerosol generating device.

The technical scheme adopted by the invention for solving the technical problems is as follows: constructing an atomizing cartridge comprising:

the atomizing core comprises an atomizing core main body, a liquid inlet groove and a liquid outlet groove, wherein the liquid inlet groove is used for sucking and temporarily storing atomized liquid;

and the heating body is arranged on the bottom surface of the atomizing core main body and is used for heating the atomized liquid conducted through the atomizing core main body to generate aerosol.

Preferably, the atomizing core body is a porous structure.

Preferably, the liquid inlet tank comprises at least two liquid inlet tanks arranged at intervals.

Preferably, the liquid inlet groove is arranged through the upper surface and the lower surface of the atomizing core main body, and a liquid absorbing piece is arranged in the through cavity of the liquid inlet groove.

Preferably, the absorbent member comprises absorbent cotton.

Preferably, the middle part of the bottom surface of the atomizing core main body is provided with a protrusion extending downwards, and the protrusion extends along the width direction of the atomizing core main body to be connected with the lower side edge of the groove.

Preferably, the side wall of the liquid inlet groove protrudes out of the upper surface of the atomizing core main body and extends upwards.

Preferably, the heat generating body includes a first conductive part, a second conductive part, a first heat generating part, a second heat generating part, and a connecting part;

the first heat-generating portion and the second heat-generating portion are connected through the connecting portion, the first conductive portion and the second conductive portion are arranged opposite to the connecting portion, the first conductive portion is connected with the first heat-generating portion, and the second conductive portion is connected with the second heat-generating portion;

the liquid inlet groove comprises a first liquid inlet groove and a second liquid inlet groove which are arranged at intervals, the first heating part is arranged opposite to the first liquid inlet groove, and the second heating part is arranged opposite to the second liquid inlet groove.

Preferably, the heat-generating body further includes a first hook portion connected to the first conductive portion, and a second hook portion connected to the second conductive portion, the first hook portion and the second hook portion being embedded in the atomizing core main body.

The invention also discloses an atomization device, comprising: the atomizing device comprises an atomizing sleeve, a sealing piece, an atomizing core, a partition piece, an electrode and a bottom shell, wherein the atomizing core is the atomizing core;

a liquid storage cavity for storing atomized liquid is arranged in the atomizing sleeve, an air outlet hole is formed in the upper end of the atomizing sleeve, and an air guide pipe extends downwards along the periphery of the air outlet hole;

the sealing element is accommodated in the atomizing sleeve and comprises a first base, and the first base is provided with a liquid passing hole penetrating through the upper surface and the lower surface of the first base;

the atomizing core is accommodated in the first base, and the groove is matched with the inner side wall of the first base to form an airflow cavity;

the isolating piece is accommodated in the atomizing sleeve and is matched with the sealing piece to enclose the atomizing core, the isolating piece comprises a second base, and a through hole penetrating through the upper surface and the lower surface of the second base is formed in the bottom of the second base;

the bottom shell is accommodated in the opening of the atomizing sleeve and used for fixing the electrode, and an air inlet hole penetrating through the upper surface and the lower surface of the bottom shell is formed in the bottom plate of the bottom shell;

the air inlet hole, the through hole, the airflow cavity and the air guide pipe are matched to form an airflow channel so as to guide the aerosol out of the air outlet hole.

Preferably, the through holes comprise at least two through holes which are respectively arranged at two sides of the axis of the air guide tube;

the air inlet hole and the air guide pipe are coaxially arranged.

Preferably, the liquid inlet holes comprise at least two, and the liquid inlet holes and the liquid inlet grooves are correspondingly arranged.

Preferably, the electrode includes a conductive column, and the conductive column is disposed through the bottom case and the separator to be electrically connected to the heating element.

Preferably, the lower end of the air duct is provided with a connecting cylinder;

the middle part of the first base is provided with a barrel body, the barrel body is sleeved on the periphery of the connecting barrel, and the liquid passing holes are respectively formed in two sides of the barrel body.

Preferably, the inner walls of the two sides of the first base in the length direction are provided with limiting grooves, and the stepped parts are clamped in the limiting grooves.

Preferably, a downward clamping groove is formed in the periphery of the second base;

the bottom shell comprises the bottom plate, the periphery of the upper surface of the bottom plate extends upwards to form a side plate, the upper side edge of the side plate is provided with a clamping portion, and the clamping portion is arranged in the clamping groove to fixedly connect the bottom shell with the isolating piece.

Preferably, the lateral surface of curb plate is equipped with spacing bump, the inner wall correspondence of atomizing cover is equipped with spacing recess, spacing bump embedding spacing recess is in order to install the drain pan is in on the atomizing cover.

The present invention also provides an aerosol-generating device comprising an atomizing device as described above and a power supply unit for supplying electric power to the atomizing device.

The implementation of the invention has the following beneficial effects: this atomizing core area is 2 times of ordinary ceramic core, and its temperature distribution who improves the atomizing core lets temperature distribution more even, and the atomizing uniformity is better, improves atomizing device and sticks with paste the flavor to can increase the area that generates heat, promote the smog volume, and this atomizing core structure is simple relatively, and the part is less, has reduced manufacturing cost.

The atomizing device comprises an atomizing core, and a double airflow channel is formed in the atomizing core, so that condensate is prevented from being sucked, the oil frying condition is reduced, and the user satisfaction is improved.

Drawings

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

FIG. 1 is a schematic view of the construction of an atomizing device according to the present invention;

FIG. 2 is a front cross-sectional view of the atomizing device of FIG. 1;

FIG. 3 is a schematic view of the airflow path of the atomizing device of FIG. 2;

FIG. 4 is a side cross-sectional view of the atomizing device of FIG. 1;

FIG. 5 is a schematic view of the airflow path of the atomizing device of FIG. 4;

FIG. 6 is an exploded schematic view of the atomizing device of FIG. 1;

FIG. 7 is a schematic view of the construction of an atomizing sleeve according to the present invention;

FIG. 8 is a cross-sectional view of an atomizing sleeve of the present invention;

FIG. 9 is a schematic view of the seal of the present invention;

FIG. 10 is a cross-sectional view of the seal of the present invention;

FIG. 11 is a schematic view of an atomizing core according to an embodiment of the present invention;

FIG. 12 is a schematic view of the atomizing core of FIG. 11 from another perspective;

FIG. 13 is a schematic view from a perspective of an atomizing core in accordance with another embodiment of the present invention;

FIG. 14 is a schematic view from a perspective of an atomizing core in accordance with another embodiment of the present invention;

FIG. 15 is a schematic view of the atomizing core of FIG. 14 from another perspective;

FIG. 16 is a cross-sectional view of an atomizing core of the atomizing core of FIG. 14;

FIG. 17 is a schematic view showing a structure of a heat-generating body in one embodiment of the invention;

FIG. 18 is a schematic view showing a structure of a heat-generating body in another embodiment of the invention;

FIG. 19 is a schematic view showing a structure of a heat-generating body in another embodiment of the present invention;

FIG. 20 is a schematic view showing a structure of a heat-generating body in another embodiment of the present invention;

FIG. 21 is a schematic view of the construction of the spacer of the present invention;

FIG. 22 is a cross-sectional view of a spacer of the present invention;

FIG. 23 is a schematic structural view of the bottom case of the present invention;

fig. 24 is a cross-sectional view of the bottom case of the present invention.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it is to be understood that the orientations and positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "leading", "trailing", and the like are configured and operated in specific orientations based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate that the device or element referred to must have a specific orientation, and thus, are not to be construed as limiting the present invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The atomized liquid disclosed by the application can be tobacco tar, liquid medicine components or other heating volatile substances containing aromatic components.

As shown in fig. 1 to 6, an atomizing device according to the present invention includes: atomizing cover 1, sealing member 2, atomizing core 3, separator 4, drain pan 5 and electrode 6.

Referring to fig. 6-8, a liquid storage cavity 12 for storing atomized liquid is provided in the atomizing sleeve 1, an air outlet 11 is provided at the upper end of the atomizing sleeve 1, and an air duct 13 extends downward from the periphery of the air outlet 11.

In this embodiment, the insulating material is made of hard insulating material, such as phenolic plastic, polyurethane plastic, epoxy plastic, unsaturated polyester plastic, furan plastic, silicone resin, acryl resin, etc. and modified resin thereof. The atomizing sleeve 1 is a long structure extending along a central axis direction, that is, the length along the central axis direction is far greater than the width and thickness in two perpendicular directions in the cross section, the upper end of the atomizing sleeve 1 is provided with an air outlet 11, and an air duct 13 extends downwards from the periphery of the air outlet 10. The lower extreme of atomizing cover 1 is uncovered, and the inside stock solution chamber 12 that forms the storage atomized liquid of atomizing cover 1. The gas guide tube 13 is made of metal parts, such as stainless steel, and is of a hollow circular tube structure, of course, the gas guide tube 13 can also be made of high polymer with good stability, and the material, shape and size of the gas guide tube can be selected according to requirements and are not specifically limited.

Referring to fig. 9-10, the sealing member 2 is connected to the lower portion of the air duct 13 and is accommodated in the atomizing sleeve 1, the sealing member 2 is a silicone member, and includes a first base 21, the shape of the first base 21 is similar to the cross-sectional shape of the inner cavity of the atomizing sleeve 1, and the first base 21 is provided with a liquid passing hole penetrating through the upper surface and the lower surface thereof, and may include at least two liquid passing holes, such as a first liquid passing hole 22 and a second liquid passing hole 23.

The lower end of the gas-guide tube 13 is provided with a connecting tube 14, which may be an integral structure, the middle of the first base 21 is provided with a tube 24, and the liquid-passing holes are respectively arranged on two opposite sides of the tube 24. The barrel 24 is sleeved on the periphery of the connecting barrel 14, and interference fit can be adopted, so that the connecting barrel 14 is riveted on the inner periphery of the barrel 24, preferably, an inclined surface (guide surface) is arranged on the inner wall of the opening of the barrel 24, and plays a role in guiding, so that the connecting barrel is conveniently connected and fixed with the connecting head 14.

The cylinder 24 may include a first portion 241 and a second portion 242 connected to each other, the first portion 241 and the second portion 242 are coaxial and communicate with each other in an inner cavity, an outer diameter of the second portion 242 is smaller than that of the first portion 241, and a top of the second portion 242 is connected to an inner wall of the first portion 241 to form a support wall 2411 for supporting a bottom of the connecting cylinder 14. Further, the first portion 241 is disposed to protrude from the upper surface of the first base 21.

Further, the sealing member 2 further includes a connecting block 25, the connecting block 25 is disposed on the upper surface of the first base 21, and one end of the connecting block is connected to the radial side surface of the cylinder 24 for fixing the cylinder 24. The connecting blocks 25 are two symmetrically arranged on the opposite side surfaces of the cylinder 24. It can be understood that the outer edge of the sealing element 2 is tightly attached to the inner wall of the atomizing sleeve 1, so as to surround the air duct 13 and the inner wall of the atomizing sleeve 1 to form the liquid storage cavity 12.

Referring to fig. 11 to 12, the atomizing core 3 of the present invention is made of porous ceramic, and it is understood that the atomizing core 3 may be made of porous material with micro-pore capillary effect, such as foamed metal, porous glass or hard glass fiber tube.

This atomizing core 3 includes atomizing core main part 31, and it is porous structure, and atomizing core main part 31 is equipped with the feed liquor groove that is used for drawing and temporarily stores the atomizing liquid, and this feed liquor groove can include at least two, if including first feed liquor groove 311 and second feed liquor groove 312, preferably, the upper surface of the lateral wall outstanding atomizing core main part 31 of feed liquor groove and upwards extend the setting, can increase stock solution volume and imbibition area from this. In the present embodiment, the atomizing core 3 is disposed in the first base 21, and the liquid inlet slot and the liquid passing hole are disposed correspondingly, for example, the first liquid inlet slot 311 and the first liquid passing hole 22 are disposed correspondingly, and the second liquid inlet slot 312 and the second liquid passing hole 23 are disposed correspondingly.

The atomizing core main body 31 has two end sides extending outward in the longitudinal direction to form step portions 313, and preferably, the inner walls of the two sides of the first base 21 in the longitudinal direction are provided with limit grooves 26, and the step portions 313 are engaged in the limit grooves 26. The limiting groove 26 wraps the step part 313, sealing performance is improved, and oil leakage is prevented. Of course, the inner wall of the first base 21 may be provided with the whole annular limiting groove 26, and the step portion 313 may be provided around the circumferential side surface of the atomizing core main body 31, so as to improve the whole wrapping property.

At least one side of the middle part of the atomizing core main body 31 in the length direction is concavely provided with a groove, the groove is matched with the inner side wall of the first base 21 to form an airflow chamber, the number of the grooves can be two, for example, the grooves include a first groove 314 and a second groove 315, as shown in fig. 10, correspondingly, the inner side wall of the first base 21 and the corresponding groove can be provided with a groove 27, and the size of the groove and the groove 27 can be adjusted, thereby the size of the airflow chamber can be adjusted.

As shown in fig. 13, in some embodiments, the middle of the bottom surface of the atomizing core main body 31 is provided with a protrusion 316 extending downward, the protrusion 316 extends along the width direction of the atomizing core main body 31 to connect with the lower edge of the groove, so as to forcibly guide the airflow to flow toward the side of the atomizing core main body 31, that is, the airflow is guided out of the groove, and the airflow is prevented from flowing directly from the air inlet hole to the air outlet hole 11, thereby increasing the amount of smoke to be carried out.

The atomizing core 3 further includes a heating element 32 provided on the second surface of the atomizing core main body 31, for heating the atomized liquid conducted through the atomizing core main body 31 to generate aerosol.

In another embodiment, as shown in fig. 14-16, the atomizing core 3 ' includes an atomizing core main body 31 ' having a non-porous structure, and the atomizing core main body 31 ' is provided with at least two liquid inlet grooves for sucking and temporarily storing the atomized liquid, such as a first liquid inlet groove 311 ' and a second liquid inlet groove 312 ', preferably, the side walls of the liquid inlet grooves protrude from the upper surface of the atomizing core main body 31 and extend upward, so that the liquid storage volume can be increased. In the embodiment, the atomizing core 3 ' is disposed in the first base 21, and the liquid inlet slot and the liquid passing hole are disposed correspondingly, for example, the first liquid inlet slot 311 ' is disposed correspondingly to the first liquid passing hole 22, and the second liquid inlet slot 312 ' is disposed correspondingly to the second liquid passing hole 23.

The atomizing core main body 31 ' has two end sides extending outward in the longitudinal direction to form step portions 313 ', preferably, the inner walls of the first base 21 on the two sides in the longitudinal direction are provided with limiting grooves 26, and the step portions 313 ' are engaged in the limiting grooves 26. The limiting groove 26 wraps the step part 313', sealing performance is improved, and oil leakage is prevented. Of course, the inner wall of the first base 21 may be provided with the whole annular limiting groove 26, and the step portion 313 'may also be provided around the circumferential side surface of the atomizing core main body 31', so as to improve the overall wrapping property.

At least one side of the middle part of the atomizing core main body 31 ' in the length direction is concavely provided with a groove in the center, the groove is matched with the inner side wall of the first base 21 to form an airflow chamber, the grooves can be two symmetrically arranged, for example, the groove comprises a first groove 314 ' and a second groove 315 ', as shown in fig. 10, correspondingly, the inner side wall of the first base 21 and the groove can be provided with a groove 27 correspondingly, and the size of the groove and the groove 27 can be adjusted, thereby adjusting the size of the airflow chamber.

In some embodiments, the middle of the bottom surface of the atomizing core main body 31 ' is provided with a downward extending protrusion, the protrusion extends along the width direction of the atomizing core main body 31 ' to connect with the lower side edge of the groove, so as to forcibly guide the airflow to flow towards the side edge of the atomizing core main body 31 ', that is, the airflow is guided out of the groove, and the airflow is prevented from directly flowing from the air inlet hole to the air outlet hole 11, thereby increasing the amount of smoke brought out.

Preferably, the liquid inlet slot is disposed through the upper and lower surfaces of the atomizing core main body 31 ', and a liquid absorbing member is disposed in the liquid inlet slot through cavity, such as the first liquid absorbing member 316 ' disposed in the through cavity of the first liquid inlet slot 311 ' and the first liquid absorbing member 317 ' disposed in the through cavity of the second liquid inlet slot 312 ', the liquid absorbing member may be liquid absorbing cotton or other materials for achieving the liquid absorbing and liquid permeating functions. The liquid absorbing piece is arranged at the bottom in the through cavity of the liquid inlet groove and is closest to the heating track of the heating body 32', so that the atomization of atomized liquid is accelerated.

The atomizing core 3 'further includes a heating element 32' provided on the bottom surface of the atomizing core main body 31 'for heating the atomized liquid conducted through the atomizing core main body 31' to generate aerosol. The heat generating part of the heat generating body 32' is provided corresponding to the liquid absorbing member.

Referring to fig. 17 to 20, the heat-generating body 32' and the heat-generating body 32 may have the same structure, and the heat-generating body 32 is used as an example for explanation, and the heat-generating body 32 is powered on to heat the atomized liquid stored in the atomizing core main body 31, so as to generate aerosol for direct suction by a user. The heating element 32 is a sheet-like heating net, and the heating element 32 is bonded and fixed to the atomizing surface of the atomizing core main body 31. The heating element 32 may be a heating wire bent into a disk shape or a heating sheet in a grid shape, and the heating element 32 may be sintered with the atomizing core main body 31 into an integral structure to be attached to the atomizing surface. In some embodiments, the heating element 32 may also be a heating line, a heating track, a heating coating, a heating film, or the like formed on the bottom surface (atomizing surface) of the atomizing core main body 31. The structure shape can be various and can be selected according to the requirement. The heating net, the heating wire, the heating sheet, the heating circuit, the heating track, the heating coating or the heating film and the like are arranged corresponding to the liquid inlet groove, so that the distance between the liquid inlet groove and the heating body 32 is the shortest, and the heating net is used for atomizing liquid such as tobacco tar and the like to quickly reach the heating track for atomization.

The material of the heat-generating body 32 may be a metal material having an appropriate resistance, a metal alloy, graphite, carbon, a conductive ceramic or other ceramic material, and a composite material of the metal material. Suitable resistive metal or alloy materials include at least one of nickel, cobalt, zirconium, titanium, nickel alloys, cobalt alloys, zirconium alloys, titanium alloys, nickel-chromium alloys, nickel-iron alloys, iron-chromium-aluminum alloys, titanium alloys, iron-manganese-aluminum based alloys, or stainless steel, among others.

As shown in fig. 12, the heat generating body 32 preferably includes a first conductive portion 321, a second conductive portion 323, a first heat generating portion 322, a second heat generating portion 324, and a connecting portion 325, the first heat generating portion 322 and the second heat generating portion 324 are connected by the connecting portion 325, the first conductive portion 321 and the second conductive portion 323 are disposed opposite to the connecting portion 325, the first conductive portion 321 is connected to the first heat generating portion 322, the first conductive portion 321 is disposed on the left side of the first heat generating portion 322, the second conductive portion 323 is connected to the second heat generating portion 324, and the second conductive portion 323 is disposed on the right side of the second heat generating portion 324. Preferably, the first heat generating portion 322, the connecting portion 325 and the second heat generating portion 324 are electrically connected in series, the resistance of the connecting portion 325 is smaller than that of the first heat generating portion 322, and the resistance of the connecting portion 325 is also smaller than that of the second heat generating portion 3244.

After the heating element 32 is powered on, since the first heating part 322, the connection part 325 and the second heating part 324 are connected in series, the currents passing through the three parts are equal, and since the resistance of the connection part 325 is small, the heating power of the connection part 325 is smaller than that of the first heating part 322, and the heating power of the connection part 325 is also smaller than that of the second heating part 324, so that the heat generated on the connection part 325 is small in the same time, thereby avoiding the situation that the middle temperature of the heating element 32 is too high and the taste is burnt, and ensuring good user experience. Of course, the first heat generating portion 322, the connecting portion 325, and the second heat generating portion 324 may be connected in other relationships, so that the heat generating power may be adjusted. And is not particularly limited herein.

Preferably, the first heat generating portion 322 is disposed opposite to the first liquid inlet tank 311, and the second heat generating portion 324 is disposed opposite to the second liquid inlet tank 312.

Preferably, the heat-generating body 32 further includes a first claw portion 326 connected to the first conductive portion 321, and a second claw portion 327 connected to the second conductive portion 323, the first claw portion 326 and the second claw portion 327 being embedded in the atomizing core main body 31, and the first claw portion 326 and the second claw portion 327 may be of an L-shaped structure, which improves the fixing stability of the heat-generating body 32. It can be understood that the heating element 32 may be integrated with the atomizing core main body 31, or may be printed on the atomizing core main body 31 by using a printing process, and the structure may be various, which is not specifically limited herein.

As shown in fig. 21-22, the spacer 4 is accommodated in the atomizing sleeve 1, and cooperates with the sealing member 2 to surround the atomizing core 3, which can be made of hard plastic material, such as phenolic plastic, polyurethane plastic, epoxy plastic, unsaturated polyester plastic, furan plastic, silicone resin, acryl resin, etc., and modified resin thereof.

The partition 4 includes a second base 41, and the second base 41 is a basin-shaped structure, and includes a bottom wall and a side wall surrounding the circumferential side of the bottom wall and extending upward, the bottom wall and the side wall cooperate to define an atomizing chamber 411, and the aforementioned heat-generating body 32 is exposed in the atomizing chamber 411.

The bottom (bottom wall) of the second base 41 is provided with at least two through holes penetrating the upper and lower surfaces thereof, and the through holes are air-guiding holes, such as a first through hole 412 and a first through hole 413. The second base 41 is provided with a downward slot 416 at the periphery thereof, and the slot 416 may be a ring structure with one or a whole segment.

Referring to fig. 23 and 24, the bottom shell 5 is connected to the spacer 4 and is accommodated in the opening of the atomizing sleeve 1 for fixing the electrode 6, the bottom shell 5 may be made of a metal member, such as stainless steel, and includes a bottom plate 51, a side plate 52 extending upward along the upper surface of the bottom plate 51, the side plate 52 being provided with a locking portion 53 at an upper edge thereof, the locking portion 53 being inserted into the locking slot 416 to fixedly connect the bottom shell 5 to the spacer 4, the locking portion 53 may be a ring structure with several segments or a whole segment, and may be an integral structure with the side plate 52. Further, the bottom plate 51 of the bottom case 5 is provided with an air inlet hole 56 penetrating through the upper and lower surfaces thereof, and the air inlet hole 56 is provided at the center position of the bottom plate 51. Preferably, an air guide pillar 56 may be provided, and the air guide pillar 56 is located at a middle position of the base plate 51 and protrudes from the upper surface of the base plate 51.

Preferably, the outer side surface of the side plate 52 is provided with a limit salient point 54, the lower position of the inner wall of the atomizing sleeve 1 is correspondingly provided with a limit groove 15, and the limit salient point 54 is embedded into the limit groove 15 to mount the bottom shell 5 on the atomizing sleeve 1. Preferably, the side plate is further provided with an annular limiting portion 55 at the periphery thereof, and when the bottom shell 5 is mounted in the atomizing sleeve 1, the limiting portion 55 abuts against the lower side edge of the opening of the atomizing sleeve 1, so as to improve the sealing performance and the overall consistency of the appearance. Referring to fig. 3 and 5, preferably, the air inlet hole 56 or the air guide pillar 56 is coaxial with the air guide tube 13, and the first through hole 412 and the second through hole 413 are respectively located at two sides of the axis of the air guide tube 13, so that the air inlet hole 56, the first through hole 412, the second through hole 413, the airflow chamber and the air guide tube 13 cooperate to form an airflow channel with a substantially double-C-shaped structure, so as to guide the aerosol out of the air outlet hole 11. It will be appreciated that the air flow passage is generally of a double C configuration which better carries aerosol into the mouth of the user and reduces frying oil conditions.

As shown in fig. 6, the electrode 6 includes a columnar conductive column, the conductive column penetrates through the bottom case 5 and the separator 4 to be electrically connected with the heating element 32, in this embodiment, the conductive column includes a first conductive column 61 electrically connected with the first conductive portion 321, an end of the first conductive column 61 away from the first conductive portion 321 is a first contact portion 62, and a second conductive column 63 electrically connected with the second conductive portion 323, and an end of the second conductive column 63 away from the second conductive portion 323 is a second contact portion 64. The conductive posts are made of a metal having high conductivity, such as copper, gold, silver, or aluminum.

Further, the bottom wall of the second base 41 is provided with a first hole 414 and a second hole 415 penetrating the upper and lower surfaces thereof, the first hole 414 is located on the left side of the first through hole 412, and the second hole 415 is located on the right side of the first through hole 413.

The bottom plate 51 of the bottom case 5 is provided with a first guide post 57 and a second guide post 58, the first guide post 57 and the second guide post 58 are located on the left and right sides of the air inlet hole 56, and the first guide post 57 and the second guide post 58 are provided with through cavities penetrating through the upper and lower surfaces thereof so as to allow the conductive posts to penetrate therethrough. The guide post adopts the columnar structure can support spacing to leading electrical pillar better.

The first conductive pillar 61 is disposed through the first guiding pillar 57 and the first hole 414 to connect with the first conductive portion 321, the second conductive pillar 63 is disposed through the second guiding pillar 58 and the second hole 415 to connect with the second conductive portion 323, and preferably, the bottom surface of the bottom plate 51 is further provided with a positioning groove for mounting the contact portion. In some embodiments, the electrode 6 may also be an elastic conductive sheet, and the structure type thereof may be selected according to the requirement, which is not limited herein.

It can be understood that this atomizing core area is 2 times of ordinary ceramic core, and its temperature distribution who improves the atomizing core lets temperature distribution more even, and the atomizing uniformity is better, improves atomizing device and sticks with paste the flavor to can increase the area that generates heat, promote the smog volume, and this atomizing core structure is simple relatively, and the part is less, has reduced manufacturing cost.

The application also discloses an aerosol generating device, it includes atomizing device and is used for providing the power supply module of electric energy for atomizing device, and atomizing device is foretell atomizing device. Preferably, the aerosol atomizer further comprises a casing, a suction nozzle, a control assembly and the like, wherein the control assembly is used for controlling the heat-generating body 32 to be conducted with a battery in the power supply assembly, further controlling the heat-generating body 32 to generate heat, heating the atomized liquid in the atomizing core main body 31, thereby generating aerosol and releasing the aerosol into the atomizing cavity 411, and external fresh air enters and is taken out of the air outlet 11 by the airflow channel, so that a user can enjoy the aerosol.

It is to be understood that the foregoing examples, while indicating the preferred embodiments of the invention, are given by way of illustration and description, and are not to be construed as limiting the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims

1. An atomizing core, comprising:

the atomizing core comprises an atomizing core main body (31) and a liquid inlet groove, wherein the atomizing core main body (31) is provided with a liquid inlet groove used for sucking and temporarily storing atomized liquid, the side surfaces of two ends of the atomizing core main body (31) in the length direction extend outwards to form a step part (313), and at least one side of the middle part of the atomizing core main body (31) in the length direction is concavely provided with a groove (314) towards the center;

and a heating element (32) which is provided on the bottom surface of the atomizing core main body (31) and which heats the atomized liquid conducted through the atomizing core main body (31) to generate aerosol.

2. The atomizing core according to claim 1, characterized in that the atomizing core body (31) is of porous structure.

3. The atomizing core of claim 1, wherein the liquid inlet slot includes at least two spaced apart slots.

4. The atomizing core according to claim 1, characterized in that the liquid inlet slot is disposed through the upper and lower surfaces of the atomizing core body (31), and a liquid absorbing member is disposed in the through cavity thereof.

5. The atomizing cartridge of claim 4, wherein the wicking member comprises a wicking cotton.

6. The atomizing core according to claim 1, characterized in that the middle of the bottom surface of the atomizing core body (31) is provided with a downwardly extending projection which extends in the width direction of the atomizing core body (31) to connect with the lower side edge of the groove (314).

7. The atomizing core according to claim 1, characterized in that the side wall of the liquid inlet slot protrudes from the upper surface of the atomizing core body (31) and is disposed extending upward.

8. The atomizing core according to claim 1, characterized in that the heat-generating body (32) includes a first conductive portion (321), a second conductive portion (323), a first heat-generating portion (322), a second heat-generating portion (324), a connecting portion (325);

the first heat-generating portion (322) and the second heat-generating portion (324) are connected by the connection portion (325), the first conductive portion (321) and the second conductive portion (323) are disposed opposite to the connection portion (325), the first conductive portion (321) is connected to the first heat-generating portion (322), and the second conductive portion (323) is connected to the second heat-generating portion (324);

the liquid inlet groove comprises a first liquid inlet groove (311) and a second liquid inlet groove (312) which are arranged at intervals, the first heating part (322) is arranged opposite to the first liquid inlet groove (311), and the second heating part (324) is arranged opposite to the second liquid inlet groove (312).

9. The atomizing core according to claim 8, characterized in that the heat-generating body (32) further includes a first claw portion (326) connected to the first conductive portion (321), and a second claw portion (327) connected to the second conductive portion (323), the first claw portion (326) and the second claw portion (327) being embedded in the atomizing core main body (31).

10. An atomizing device, comprising: an atomizing sleeve (1), a sealing member (2), an atomizing core (3), a partition (4), an electrode (6) and a bottom shell (5), wherein the atomizing core (3) is the atomizing core of any one of claims 1 to 9;

a liquid storage cavity (12) for storing atomized liquid is arranged in the atomizing sleeve (1), an air outlet hole (11) is formed in the upper end of the atomizing sleeve (1), and an air guide pipe (13) extends downwards along the periphery of the air outlet hole (11);

the sealing element (2) is accommodated in the atomizing sleeve (1) and comprises a first base (21), and the first base (21) is provided with a liquid passing hole penetrating through the upper surface and the lower surface of the first base;

the atomizing core (3) is accommodated in the first base (21), and the groove is matched with the inner side wall of the first base (21) to form an airflow cavity;

the isolating piece (4) is accommodated in the atomizing sleeve (1) and matched with the sealing piece (2) to enclose the atomizing core (3), the isolating piece (4) comprises a second base (41), and a through hole penetrating through the upper surface and the lower surface of the second base (41) is formed in the bottom of the second base (41);

the bottom shell (5) is accommodated in the opening of the atomizing sleeve (1) and is used for fixing the electrode (6), and a bottom plate (51) of the bottom shell (5) is provided with an air inlet (56) penetrating through the upper surface and the lower surface of the bottom shell;

the air inlet hole (56), the through hole, the airflow cavity and the air guide pipe (13) are matched to form an airflow channel so as to guide the aerosol out of the air outlet hole (11).

11. The atomizing device according to claim 10, characterized in that the through holes include at least two, which are respectively disposed on both sides of the axis of the air duct (13);

the air inlet hole (56) and the air guide pipe (13) are coaxially arranged.

12. The atomizing device according to claim 10, wherein the liquid inlet hole includes at least two holes which are provided corresponding to the liquid inlet groove.

13. The atomizing device according to claim 10, characterized in that the electrode (6) comprises a conductive post which is inserted through the bottom shell (5) and the separator (4) to be electrically conductively connected with the heating body (32).

14. An atomising device according to claim 10, characterised in that the lower end of the air duct (13) is provided with a connecting barrel (14);

the middle part of first base (21) is equipped with barrel (24), barrel (24) cover is located connecting cylinder (14) periphery, cross the liquid hole and locate respectively the both sides of barrel (24).

15. The atomizing device according to claim 10, characterized in that the inner walls of the first base (21) on both sides in the longitudinal direction are provided with a stopper groove (26), and the stepped portion (313) is engaged in the stopper groove (26).

16. Nebulising device according to claim 10, characterized in that the periphery of the second seat (41) is provided with a downward-facing catch (416);

the bottom shell (5) comprises the bottom plate (51), the periphery of the upper surface of the bottom plate (51) extends upwards to form a side plate (52), the upper edge of the side plate (52) is provided with a clamping part (53), and the clamping part (53) is arranged in the clamping groove (416) to fixedly connect the bottom shell (5) and the partition (4).

17. The atomizing device according to claim 16, characterized in that the outer side of the side plate (52) is provided with a limit protrusion (54), the inner wall of the atomizing sleeve (1) is correspondingly provided with a limit groove (15), and the limit protrusion (54) is embedded in the limit groove (15) to mount the bottom shell (5) on the atomizing sleeve (1).

18. An aerosol generating device comprising an atomising device and a power supply assembly for supplying electrical power to the atomising device, the atomising device as claimed in any one of claims 10 to 17.