CN116919007A - Power supply assembly, atomizer and aerosol generating device - Google Patents

Abstract

The application relates to a power supply assembly, an atomizer and an aerosol generating device, which comprises a first shell, a second shell and a first shell, wherein a butt joint space is formed in the first shell and is used for receiving at least part of the atomizer, the first shell is also provided with a containing space, and an air inlet hole is formed in the side wall of the first shell corresponding to the containing space; the bracket is arranged in the first shell, the power supply assembly is arranged on the bracket, the bracket comprises a first mounting plate, the first mounting plate is transversely arranged to separate the accommodating space and the butting space, the first mounting plate is provided with a through hole which is communicated with the accommodating space and the butting space, and the through hole is communicated with the air inlet hole through the accommodating space; and the electric contact is fixed on the first mounting plate, one end of the electric contact extends into the docking space so as to be electrically connected with the atomizer, and the other end of the electric contact is electrically connected with the power supply assembly. The first mounting plate is arranged to separate the butt joint space of the power supply assembly and the atomizer from the air inlet, so that the first mounting plate and the atomizer can have larger liquid storage space capacity, and the stable suction resistance in the long-time use process is ensured.

Description

Power supply assembly, atomizer and aerosol generating device

Technical Field

Embodiments of the present application relate to the field of aerosol generation technology, and in particular, to a power supply assembly, an atomizer, and an aerosol generating device.

Background

Aerosol-generating devices are used to produce an aerosol for inhalation from an aerosol substrate, such as tobacco tar, disposed therein.

The aerosol-generating device generally comprises a power supply assembly and an atomizer for Chu Cunqi the aerosol substrate and for atomizing the aerosol substrate by means of an atomizing core to form an aerosol, and the atomizer comprises a cylindrical electrode electrically connected to the atomizing core, the power supply assembly generally comprising a battery and a spring needle electrode electrically connected to the battery, the spring needle electrode being elastically abutted against the cylindrical electrode when the power supply assembly is assembled with the atomizer, thereby effecting an electrical connection. The power supply assembly is also typically provided with a receiving cavity to receive a portion of the atomizer when electrically connected thereto, thereby enabling the atomizer to be retained on the power supply assembly.

The housing of the power supply assembly is typically provided with an air inlet aperture which is provided in the housing of the power supply assembly forming a docking space through which air enters the docking space during suction and then from there into the atomizer. However, in the long-term (such as one month or even one week) use process, the oil formed by condensation of the aerosol and the leaked oil of the atomizer can enter the butting space, but the liquid storage space in the butting space is limited, the liquid storage space is quickly filled with the oil, so that the air inlet is blocked, the suction resistance is increased, and the user experience is poor.

Disclosure of Invention

The embodiment of the application provides a power supply assembly, an atomizer and an aerosol generating device, wherein a first mounting plate is arranged to separate a butt joint space of the power supply assembly and the atomizer from an air inlet hole, so that a larger liquid storage space capacity can be provided between the first mounting plate and the atomizer, and stable suction resistance in a long-time use process is ensured.

The embodiment of the application provides a power supply assembly, which comprises:

the first shell is internally provided with a longitudinally-spaced butt joint space and a containing space, the butt joint space is used for receiving at least part of the atomizer, and the first shell is provided with an air inlet hole which is in fluid communication with the containing space;

the bracket is arranged in the first shell, a power supply assembly is arranged on the bracket, the bracket comprises a first mounting plate, the first mounting plate separates the accommodating space from the docking space, and the first mounting plate is provided with a through hole which is communicated with the accommodating space and the docking space; and

and one end of the electric contact is extended into the docking space so as to be electrically connected with the atomizer, and the other end of the electric contact is electrically connected with the power supply assembly.

The aerosol generating device provided by the embodiment of the application comprises the power supply assembly and the atomizer, wherein at least part of the atomizer is positioned in the butt joint space and is electrically connected with the electrical contact.

An atomizer provided in an embodiment of the present application includes:

a second housing having a storage chamber formed therein for storing the aerosol substrate, and an installation chamber formed therein;

an atomizing core at least partially disposed in the mounting cavity, the atomizing core comprising a carrier for absorbing the aerosol matrix and a heat generating body connected to the carrier, the heat generating body atomizing at least a portion of the aerosol matrix on the carrier by heat generation, the heat generating body comprising an electrical contact adapted to contact an electrical contact of a power supply assembly;

the lower end of the mounting cavity is opened to form an opening, and the electric contact part of the heating element is exposed from or accommodated in the opening, and the opening is configured to receive a part of the electric contact of the power supply assembly so that the electric contact part of the heating element is contacted with the electric contact.

In above power supply module, atomizer and aerosol-generating device, have in power supply module's the first casing be used for with the butt joint space of atomizer butt joint and be used for holding power supply module's accommodation space, the air inlet sets up on the first casing that corresponds with the accommodation space, have first mounting panel in the first casing, first mounting panel separates butt joint space and accommodation space for stock solution space between first mounting panel and the atomizer can have bigger capacity, can prevent that the inlet port from being blocked by fluid, can guarantee that aerosol-generating device has stable suction resistance in long-term use, helps improving user experience.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.

Fig. 1 is a schematic view of an aerosol-generating device according to an embodiment of the present application with a power supply assembly separated from a nebulizer;

fig. 2 is an assembled cross-sectional view of an aerosol-generating device according to an embodiment of the present application;

fig. 3 is an assembled cross-sectional view of an aerosol-generating device according to another embodiment of the present application;

FIG. 4 is an exploded view of a power module according to one embodiment of the present application;

FIG. 5 is a schematic view of a first bracket according to another embodiment of the present application;

FIG. 6 is a schematic view of a nebulizer provided in an embodiment of the application;

FIG. 7 is an exploded schematic view of a nebulizer provided in an embodiment of the application;

FIG. 8 is a cross-sectional view of a nebulizer provided in an embodiment of the application;

FIG. 9 is an exploded schematic view of a nebulizer provided in a further embodiment of the application;

fig. 10 is a schematic view of an atomizing base of an atomizer provided in a further embodiment of the present application;

FIG. 11 is an exploded schematic view of a nebulizer provided in another embodiment of the application;

FIG. 12 is yet another exploded schematic view of a nebulizer provided in another embodiment of the application;

FIG. 13 is a schematic view of a nebulizer provided in a further embodiment of the application;

fig. 14 is a cross-sectional view of a nebulizer provided in a further embodiment of the application;

in the figure:

1. a power supply assembly; 11. an electrical contact;

12. a power supply assembly; 121. a battery; 122. an electric control board; 1221. an air flow sensor;

13. a first housing; 131. a butt joint space;

14. a bracket;

141. a first bracket; 1411. a first mounting plate; 1412. a first annular wall; 1413. a second annular wall; 1414. a first boss; 1415. a second boss; 1416. a third boss; 1417. a through hole; 1418. a communication window; 1419. a fourth boss;

142. a second bracket; 1421. a second mounting plate; 1422. a third boss; 1423. a through hole; 1424. a third annular wall; 1425. a fifth boss; 1426. an air guide hole;

15. an air inlet hole;

161. a first liquid storage space; 162. a second reservoir space; 163. a third liquid storage space;

17. a first seal;

18. a second seal; 181. a surrounding portion; 182. annular ribs; 183. a panel section; 1831. a first hole; 1832. a second hole;

2. An atomizer; 21. a second housing; 211. a suction nozzle; 22. a storage chamber; 23. a mounting cavity; 24. an atomizing core; 241. a carrier; 242. a heating element; 2421. heating wires; 2422. a lead wire; 25. oil absorbing cotton; 26. an open mouth; 27. a pipe; 28. An atomization seat; 281. a liquid guiding hole; 282. a fixed cavity; 283. fiber cotton; 284. a fixing hole; 2841. a notch; 285. a ventilation channel; 29. a support; 291. a housing chamber; 292. an insertion port; 293. an air inlet; 294. a third mounting plate;

3. an atomizing chamber; 4. a convex strip.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The terms "first," "second," "third," and the like in this disclosure are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number or order of features in which such is indicated. All directional indications (such as up, down, left, right, front, rear … …) in the embodiments of the present application are merely used to explain the relative positional relationship or movement of the components under a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indication is changed accordingly. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may also be present therebetween. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

An embodiment of the present application provides an aerosol-generating device that may be used to generate an aerosol from an aerosol substrate for inhalation. The aerosol matrix may have a tobacco-containing material capable of releasing volatile compounds upon heating; or may have a non-tobacco material suitable for electrically heating to generate an aerosol. The aerosol matrix may be a liquid matrix, and may include nicotine, herbs and/or flavors.

Referring to fig. 1-3, an aerosol-generating device comprises a nebulizer 2 and a power supply assembly 1. The atomizer 2 has a storage chamber 22 for storing an aerosol substrate therein and an atomizing core 24 for atomizing the aerosol substrate; the power supply assembly 1 comprises a power supply assembly 12 and electrical contacts 11, the electrical contacts 11 being for electrically connecting the atomizing core 24 and the power supply assembly 12 such that the atomizing core 24 can obtain electrical energy for atomizing an aerosol substrate to generate an aerosol.

Referring to fig. 4, the power module 1 further includes a first housing 13 and a bracket 14.

The first housing 13 has a cylindrical structure, is hollow in the inside, has a docking space 131 and a receiving space therein, the docking space 131 being located longitudinally above the receiving space and being open at its upper end for docking with the atomizer 2, at least part of the atomizer being accommodated in the docking space 131. The accommodating space is mainly used for accommodating the power supply assembly 12, the first shell 13 corresponding to the accommodating space is provided with an air inlet hole 15, and outside air can enter the accommodating space through the air inlet hole 15.

The support 14 is disposed in the accommodating space, and the support 14 is used for supporting or fixing the power supply assembly 12 and the electrical contact 11, and the support 14 may be made of hard plastic, but is not limited thereto, and may be made of a wooden material, for example. The brackets 14 may include a first bracket 141 and a second bracket 142, the electrical contacts 11 being secured to the first bracket 141, the power supply assembly 12 being supported or secured by the second bracket 142, the first and second brackets 141 and 142 being connectable to one another, and in some embodiments, the first and second brackets 141 and 142 being disposed at a spacing.

In the embodiment shown in fig. 3, 4 and 5, the first bracket 141 is provided with a first mounting plate 1411, the electrical contact 11 is fixed on the first mounting plate 1411, and the first mounting plate 1411 is transversely arranged to separate the docking space 131 and the accommodating space, so that the air inlet 15 and the docking space 131 are arranged on the same side as the docking space with respect to the existing air inlet, in this embodiment, the air inlet 15 and the docking space 131 are arranged on opposite sides of the first mounting plate 1411, so that the oil can fill more space between the first mounting plate 1411 and the docking space 131, thereby increasing the liquid storage amount, helping to prevent the oil between the first mounting plate 1411 and the docking space 131 from blocking the air inlet 15, stabilizing the suction resistance in long-term use, avoiding abnormal noise caused by the oil during suction, and effectively improving the user experience.

Referring to fig. 4 and 5, the first mounting plate 1411 has a through hole 1417, the through hole 1417 communicates the docking space 131 and the accommodating space, and air entering the accommodating space from the air inlet 15 flows toward the docking space 131 through the through hole 1417 to enter the atomizer 2.

Referring to fig. 4 and 5, a first fluid storage space 161 is provided between the first mounting plate 1411 and the docking space 131 for collecting and storing the fluid formed by cooling the aerosol and the fluid leaked from the storage chamber 22, a second fluid storage space 162 is provided between the first mounting plate 1411 and the second bracket 142 for collecting and storing the fluid overflowed from the first fluid storage space 161, and the air inlet 15 is provided on the first housing 13 at the periphery of the second fluid storage space 162, so that the fluid storage volume of the power supply assembly 1 can be further increased by the second fluid storage space 162, and the aerosol generating device can maintain stable suction resistance for a longer time. Through experiments, the conventional aerosol generating device with the air inlet corresponding to the butt-joint space is usually required to perform clear oil treatment on the power supply assembly after being continuously used for one week, otherwise, the suction resistance of the aerosol generating device is increased, the suction is difficult, even abnormal sound is generated due to oil liquid during suction, the user experience is affected, the air inlet 15 in the embodiment does not correspond to the first liquid storage space 161, the aerosol generating device can be continuously used for at least 3 months without performing clear oil treatment, and the aerosol generating device with the second liquid storage space 162 can be continuously used for at least half a year without performing clear oil treatment, and the suction resistance is stable and has no abnormal sound.

Referring to fig. 4 and 5, the through hole 1417 communicates the first fluid storage space 161 and the second fluid storage space 162, the first bracket 1411 includes a first annular wall 1412, the space between the first annular wall 1412 and the first mounting plate 1411 includes the first fluid storage space 161, and the through hole 1417 is located in a surrounding area of the first annular wall 1412, so that when the amount of the oil in the first fluid storage space 161 reaches a certain value, the oil may overflow to the second fluid storage space 162 through the through hole 1417. To increase the amount of oil stored in the first storage space 161, in the embodiment shown in fig. 4 and 5, a portion of the first mounting plate 1411 is protruded upward to form a first boss 1414 protruding toward the direction in which the docking space 131 is located, the first boss 1414 is located in the surrounding area of the first annular wall 1412, the through hole 1417 is provided through the first boss 1414, so that the upper end of the through hole 1417 is higher than the bottom of the first storage space 161, and the height of the first boss 1414 protruding toward the docking space 131 restricts the depth of the first storage space 161 and the amount of oil stored in the first storage space 161. When the amount of oil in the first fluid storage space 161 exceeds the threshold value and passes over the top of the first boss 1414, the oil enters the second fluid storage space 162 through the through hole 1417.

In the embodiment shown in fig. 4 and 5, the partial upward projection of the first mounting plate 1411 further forms a second boss 1415 projecting toward the direction of the docking space 131, the second boss 1415 may be located in the surrounding area of the first annular wall 1412, the second boss 1415 has a mounting hole formed therein, the mounting hole may penetrate the second boss 1415, and the partial portion of the electrical contact 11 is located in the mounting hole so as to be fixed, and the partial portion of the electrical contact 11 extends upward so as to be located in the docking space 131 for electrical connection with the atomizer 2. Preferably, the height of the second boss 1415 protruding upward is higher than the height of the first boss 1414 protruding upward, so that the oil in the first oil storage space 161 does not overflow the top of the second boss 1415 and thus does not enter the mounting hole.

Referring to fig. 3-5, the bracket 14 has a second annular wall 1413 with a gap between the second annular wall 1413 and the first housing 13, the second annular wall 1413 is located below the first mounting plate 1411, the second annular wall 1413 has a communication window 1418, and the communication window 1418 is communicated with the air inlet 15 through the gap, so that air enters the gap through the air inlet 15, enters the communication window 1418 through the gap, enters the bracket 14, and then flows in the direction of the docking space 131 through the through hole 1417. So that the communication window 1418 can be arranged opposite to the air inlet hole 15, and can also be staggered with the air inlet hole 15. The second annular wall 1413 may be provided on the first bracket 141 or on the second bracket 142.

In the embodiment shown in fig. 4, the second support 142 has a second mounting plate 1421 thereon, the second mounting plate 1421 is transversely disposed to separate the power supply assembly 12 from the first support 141, the second fluid storage space 162 is located in a section between the second mounting plate 1421 and the communication window 1418, the minimum height of the communication window 1418 restricts the fluid storage depth and fluid storage volume of the second fluid storage space 162, and when the volume of fluid overflowing the first fluid storage space 161 exceeds the fluid storage volume of the second fluid storage space 162, the fluid in the second fluid storage space 162 overflows through the communication window 1418. Providing the second mounting plate 1421 to separate the power supply assembly 12 from the second fluid storage space 162 may prevent oil from contaminating the power supply assembly 12, thereby protecting the power supply assembly 12. Further, referring to fig. 4, a portion of the second mounting plate 1421 protrudes upwards to form a third boss 1422, and the third boss 1422 is not lower than the lowest height of the communication window 1418, preferably, the third boss 1422 supports the first mounting plate 1411 upwards, so as to prevent the first mounting plate 1411 from deforming when carrying excessive oil. The third boss 1422 is penetrated by the through hole 1423, and one end of the electrical contact 11 protrudes downward out of the through hole 1423 to be electrically connected with the power supply assembly 12, or the lower end of the electrical contact 11 is located in the mounting hole or in the through hole 1423, and then the lower end of the electrical contact 11 is electrically connected with a wire, which extends downward out of the through hole 1423 and is finally electrically connected with the power supply assembly 12.

Referring to fig. 3-5, the power supply assembly 1 further includes a second sealing member 18, where the second sealing member 18 has a surrounding portion 181, the surrounding portion 181 is disposed around the first support 141, and when the first support 141 is located in the accommodating space, the surrounding portion 181 is pressed by the first housing 13 and the first support 141 and deforms under the pressing, so that the tight fit between the first support 141 and the first housing 13 can be increased, the first support 141 is kept in the accommodating space, the first support 141 is not easy to withdraw from the accommodating space, and sealing connection between the first support 141 and the first housing 13 can be provided, so that gas and liquid are prevented from passing through the surrounding portion 181, and thus the gas and the liquid are limited in a certain range.

Referring to fig. 3-5, the second sealing member 18 further has an annular rib 182, where the annular rib 182 protrudes upward and is higher than the first support 141 to replace the first support 141 to push upward against the atomizer 2, and when the corresponding portion of the atomizer 2 is located in the docking space 131 and electrically connected to the electrical contact 11, the annular rib 182 is pressed and deformed by the atomizer 2 and the first support 141, so that the annular rib 182 can form a sealing connection between the atomizer 2 and the first support 141, and the annular rib 182 is located at the periphery of the electrical contact 11, so as to prevent the aerosol from overflowing from the connection between the atomizing chamber 2 and the first support 141.

In the embodiment shown in fig. 5, the annular portion 181 and the annular rib 182 are connected to each other to form a single body, and the second seal 18 is preferably made of silicone.

Referring to fig. 3-5, the power supply assembly 1 further includes a first sealing member 17, where the first sealing member 17 may form a sealing ring, and is sleeved on the outer periphery of the support 14, connecting the first housing 13 and the support 14, and being pressed between the first housing 13 and the support 14 to deform, so that the first housing 13 is in sealing connection with the support 14 and is in sealing connection with the first housing 13. A gap is formed between a part of the bracket 14 and the first housing 13, the first sealing member 17 is located below the gap, the second sealing member 18 is located above the gap, the air inlet hole 15 is formed in the first housing 13 between the first sealing member 17 and the second sealing member 18, the gap is communicated with the communication window 1418, and therefore a third liquid storage space 163 is defined among the first housing 13, the bracket 14 and the first sealing member 17, and the third liquid storage space 163 is used for storing oil overflowed from the second liquid storage space 162 through the communication window 1418. Referring to fig. 3, the air inlet 15 is communicated with the third liquid storage space 163 and is located above the third liquid storage space 163, the distance between the air inlet 15 and the first sealing member 17 restricts the liquid storage depth and the liquid storage amount of the third liquid storage space 163, and the aerosol generating device can be used for a longer time without cleaning the oil liquid when the third liquid storage space 163 is added.

In the embodiment shown in fig. 3 to 5, the first bracket 141 is detachably connected with the second bracket 142, so that the second liquid storage space 162 is conveniently formed and the third liquid storage space 163 is conveniently formed, meanwhile, when the bracket 14 is assembled into the accommodating space, the second bracket 142 can be assembled into the accommodating space first, and then the first bracket 141 is assembled into the accommodating space, so that the assembly is convenient, the first bracket 141 and the second bracket 142 are prevented from being possibly not in place due to installation when being integrally installed, and compared with the first bracket 141 and the second bracket 142, the installation resistance can be reduced, and the installation convenience is improved.

Specifically, in an alternative embodiment, referring to fig. 4 and 5, the second annular wall 1413 is positioned on the first support 1411 and is positioned opposite the first annular wall 1412 from the first mounting plate 1411. The second support 142 includes a third annular wall 1424, where the third annular wall 1424 is disposed around the second mounting plate 1421 and protrudes upward beyond the second mounting plate 1421, and the third annular wall 1424 is nested with the second annular wall 1413 so as to be fixed to each other, and as shown in fig. 2 and 3, the third annular wall 1424 is located on the periphery of the second annular wall 1413 and is elastically connected to the second annular wall 1413, and of course, in other embodiments, the second annular wall 1413 is located on the periphery of the third annular wall 1424 and is elastically connected to the third annular wall 1424.

In an alternative embodiment, referring to fig. 2, 3 and 5, the lower end of the first mounting plate 1411 protrudes downward to form a fourth boss 1419, and the fourth boss 1419 is penetrated by a hole that communicates with the mounting hole and is concentric with the mounting hole, and is concentric with the through hole 1423 on the third boss 1422. As shown in fig. 2 and 3, the fourth boss 1419 protrudes into the through hole 1423 of the third boss 1422 and is interference fit with the through hole 1423, however, in other embodiments, the third boss 1422 may protrude into the hole of the fourth boss 1419 and is interference fit with the hole of the fourth boss 1419, such that the first bracket 141 is fixed to the second bracket 142.

In an alternative embodiment, there is no lateral interference connection between the first bracket 141 and the second bracket 142, which is fixed inside the first housing 13 by the annular portion 181 of the second seal 18 and is supported upwards by the second bracket 14.

Referring to fig. 6-14, the atomizer 2 includes a second housing 21 and an atomizing core 24.

The second housing 21 has a storage chamber 22 formed inside, the storage chamber 22 storing a aerosol substrate, which may be in a free liquid state, or the aerosol substrate may be attached to the oil absorbent cotton 25, and then the oil absorbent cotton 25 is accommodated in the storage chamber 22.

The second housing 21 is further formed with a mounting cavity inside, at least a part of which is located below the storage cavity 22 and is used for accommodating at least part of the atomizing core 24, the atomizing core 24 includes a carrier 241 and a heating element 242, the part of the carrier 241 contacts with the aerosol substrate to absorb and transfer the aerosol substrate to the position where the heating element 242 is located, the heating element 242 is connected with the carrier 241 and can be even fixed on the carrier 241, and the heating element 242 is electrically connected with the electrical contact 11 of the power supply assembly 1 and heats under the condition of being electrified, and the heat emitted by the heating element 242 can atomize the aerosol substrate nearby and combine with air to form aerosol.

To simplify the structure of the atomizer 2, it is preferable that at least part of the mounting chamber is opened to form the open opening 26, at least part of the heat generating body 242 is exposed outside the open opening 26, or is exposed inside the mounting chamber through the open opening 26 (i.e., the heat generating body 242 is located inside the mounting chamber but can be visually observed from outside through the open opening 26), or at least part of the heat generating body 242 (including the lead wire of the heat generating body 242) is located in the open opening 26 so as to be visually observed. So that the electrical contact 11 of the power supply assembly 1 can be electrically connected to the heat generating body 242 through the open opening 26 or electrically connected to the heat generating body 242 outside the second housing 21. By the opening 26, the electrical connection between the electrical contact 11 and the heating element 242 is reduced. And the atomizer 2 does not need to be provided with a columnar electrode to serve as a bridge for electrically connecting the heating element 242 and the electrical contact 11, so that the atomizer 2 can be more compact because the columnar electrode is not required to be accommodated, and the manufacturing consumable and the manufacturing cost can be reduced because the columnar electrode is not required.

The interior of the second housing 21 is also formed with a conduit 27, the top of which has a mouthpiece 211, the mouthpiece 211 being adapted to be engaged by the mouth, and during suction aerosol passing through the conduit 27 into the mouthpiece 211 and through the mouthpiece 211 into the mouth.

In the embodiment shown in fig. 6-12, the carrier 241 in the atomizing core 24 is a porous ceramic having a plurality of micropores thereon so as to have good liquid absorption and liquid conductivity, preferably when the aerosol matrix in the storage chamber 22 is a free liquid matrix, without the oil absorbent cotton 25, so as to increase the liquid absorption efficiency of the porous ceramic. Corresponding to the support 241 made of porous ceramic, the heat-generating body 242 may be a heat-generating circuit or a heat-generating sheet or a heat-generating film, etc., printed on or fitted to or otherwise provided on the surface of the porous ceramic, and an electric contact portion for electrically contacting with the electric contact 11 of the power supply unit 1 on the heat-generating body 242 may be provided on the surface of the porous ceramic.

As shown in fig. 6-12, the atomizer 2 further comprises an atomizing base 28, the atomizing base 28 being arranged around at least part of the periphery of the atomizing core 24, and the atomizing base 28 being connected to the second housing 21, the atomizing base 28 being adapted to hold at least part of the atomizing core 24 in the mounting cavity.

In an alternative embodiment, as shown in fig. 6-10, the atomizing base 28 is made of silica gel, the atomizing base 28 and the second housing 21 together define the storage chamber 22, the atomizing base 28 has a liquid guiding hole 281 and a fixing chamber 282, a side wall of the fixing chamber 282 is in interference fit with at least a partial side wall of the carrier 241 of the atomizing core 24, so as to at least partially hold the carrier 241 in the fixing chamber 282, the liquid guiding hole 281 communicates with the fixing chamber 282 and the storage chamber 22, and is used for guiding the liquid aerosol substrate in the storage chamber 22 to the fixing chamber 282, so that an upper surface of the carrier 241 contacts the liquid aerosol substrate, and the corresponding heating element 242 is located on a lower surface of the carrier 241. The aerosol generating device has an atomizing chamber 3 therein, and the aerosol substrate is formed by combining the volatile matter generated by the heat of the heat generating body 242 with air mainly in the atomizing chamber 3.

In an alternative embodiment, as shown in fig. 11 and 12, the atomizing base 28 is made of a fiber cotton having a large number of pores for absorbing and transmitting aerosol substrates, and the fiber cotton 283 is wrapped around the periphery of the carrier 241 made of a porous ceramic, specifically, the fiber cotton 283 has a receiving space in which the porous ceramic is received, thereby being wrapped with the fiber cotton 283. At least the surface of the carrier 241 provided with the heating element 242 is exposed from the package of the fiber cotton 283, so as to avoid the contact between the heating element 242 on the carrier 241 and the fiber cotton 283 to cause the explosion of the fiber cotton 283 when the heating element 242 heats, and the exposed heating element 242 can be more conveniently electrically connected with the electrical contact 11. It is of course not excluded that in some cases the fibre fleece 283 entirely encloses the entire atomizing core 14.

The fiber cotton 283 has a higher liquid suction rate and liquid guiding rate than the porous ceramic, and the fiber cotton 283 can store oil, so that in use, the oil content in the fiber cotton 283 is generally higher than that in the porous ceramic, and the porous ceramic absorbs the oil from the fiber cotton 283 through the contact surface of the porous ceramic and the fiber cotton 283, so that the oil is transferred to the surface of the heating element 242 for atomization of the heating element 242. At least part of the atomizing core 24 is held in the mounting cavity by the fiber cotton 283, and the atomizing core 24 can have more liquid absorbing surface or larger liquid absorbing area than the case of using a silica gel seat, so that the amount of aerosol formed in a single mouth per unit time can be ensured, and the taste can be improved.

Referring to fig. 11 and 12, the atomizer 2 further includes a support member 29, the support member 29 is disposed in the mounting cavity, the storage cavity 22 is defined by the support member 29 and the second housing 21, the support member 29 has a liquid guiding hole 281 and a receiving cavity 291, the fiber cotton 283 is disposed in the receiving cavity 291, at least a part of the atomizing core is held in the receiving cavity 291 under the action of the fiber cotton 283, and the liquid guiding hole 281 is communicated with the receiving cavity 291 to guide the aerosol substrate to the fiber cotton 283. In order to prevent leakage of liquid, it is preferable that the aerosol matrix in the storage chamber 22 is adsorbed in the oil absorbent cotton 25, and the oil absorbent cotton 25 is connected with the fiber cotton 283 through the liquid guide hole 281. The hardness of the oil absorbing cotton 25 is smaller than that of the fiber cotton 283, and the oil storage amount and oil absorption per unit volume are larger than those of the same volume of the fiber cotton 283, and the oil guiding rate of the oil absorbing cotton 25 is also larger than that of the fiber cotton 283 to ensure sufficient aerosol substrate supply. The support 29 may be made of silica gel, or may be a plastic member having a hardness greater than that of silica gel, or the like.

The lower end of the receiving chamber 291 in the mounting chamber is opened to form an opening 26, and in the atomizing base 28 formed of the fiber cotton 283, the heat generating body 242 may be located on the lower surface of the carrier 241. The aerosol generating device has an atomizing chamber 3 therein, and the aerosol substrate is formed by combining the volatile matter generated by the heat of the heat generating body 242 with air mainly in the atomizing chamber 3.

Referring to fig. 2-5, the second sealing member 18 further includes a panel portion 183 disposed transversely, the panel portion 183 is disposed transversely between the first bracket 141 and the abutting space 131, and a gap is formed between the panel portion 183 and the atomizer 2 under the action of the annular rib 182, and the gap forms at least a part of the atomizing chamber 3 on the premise that the lower end of the mounting chamber has the opening 26. The annular rib 182 may be a protrusion formed to extend upward from the panel portion 183, and of course, the annular rib 182 may also be a protrusion formed to extend upward from the upper end of the surrounding portion 181. The panel portion 183 has a first hole 1831 through which the second boss 1415 or the electrical contact 11 passes and a second hole 1832 communicating with the through hole 1417, so that air can flow in the direction of the atomizing chamber 3 through the second hole 1832.

Further, referring to fig. 2 and 3, a gap is formed between the panel portion 183 and the atomizer 2 to form a part of the atomizing chamber 3, the atomizing core 24 is accommodated in the mounting chamber and is located inside the opening 26, and a space is formed between the lower surface of the atomizing core 24 and the opening 26 to form another part of the atomizing chamber 3.

Or, further, the gap between the panel portion 183 and the atomizer 2 constitutes the entirety of the atomizing chamber 3, and the atomizing core 24 is accommodated in the inside of the installation chamber, but the surface of the carrier 241 on which the heating element 241 is provided is flush with the opening 26, or the surface of the carrier 241 on which the heating element 242 is provided is located outside the second housing 21, so that there is no atomizing chamber in the second housing 21.

Compare traditional setting up atomizing chamber 3 completely in the atomizer, only set up partial atomizing chamber 3 in atomizer 2 or not set up atomizing chamber 3 in the atomizer 2, can further reduce the volume of atomizer 2, reduce the manufacturing cost of atomizer 2, simplify the structure of atomizer 2, improve the production efficiency of atomizer 2.

In the embodiment shown in fig. 9 and 10, the atomizing base 28 made of silica gel further includes an air inlet and a fixing hole 284, or the support 29 has an air inlet and a fixing hole 284, and the air inlet may be formed by the opening 26. The fixing hole 284 is located above the atomizing chamber 3, and one end of the pipe 27 is connected to the suction nozzle 211, and the other end is inserted into the fixing hole 284 to be fixed. Wherein, a ventilation channel 285 is provided between the sidewall of the pipe 27 and the wall of the fixing hole 284, which communicates the storage chamber 22 with the air inlet, and a part of the air (air or aerosol) entering through the air inlet enters the suction nozzle 211 through the pipe 27 to be sucked, and a part of the air (air or aerosol) entering through the air inlet enters the storage chamber 22 through the ventilation channel 285, thereby balancing the air pressure in the storage chamber 22, preventing the liquid aerosol substrate caused by the air pressure decrease along with the consumption of the liquid aerosol substrate in the storage chamber 22 from failing to pass through the liquid guide hole 281 or failing to contact the carrier 241 through the liquid guide hole 281 quickly, or preventing the transfer speed of the aerosol substrate on the carrier 241 from being slowed down or even stopped along with the consumption of the liquid aerosol substrate in the storage chamber 22. By balancing the air pressure in the storage chamber 22 to be close to or equal to the atmospheric pressure, the dry burning of the carrier 241 by the heat generating body 242 can be prevented, and the stability of the amount of aerosol sucked per opening, that is, the mouthfeel of the suction per opening can be ensured by having a sufficient amount of liquid aerosol base in the storage chamber 22.

In a specific embodiment, referring to fig. 9 and 10, the inner side wall of the fixing hole 284 is provided with a groove, or the outer side wall of the pipe 27 is provided with a groove, or both the inner side wall of the fixing hole 284 and the outer side wall of the pipe 27 are provided with grooves, one end of the groove is opened towards the storage chamber 22, and the other end is opened towards the inside of the atomizing base 28 or towards the air inlet, so that the grooves form the ventilation channel 285, and air enters the storage chamber 22 to balance the air pressure in the storage chamber 22. It is needless to say that in other embodiments, the ventilation passage 285 is formed by providing a thread or the like between the duct 27 and the fixing hole 284 so that a gap is provided between the outer side wall of the duct 27 and the inner side wall of the fixing hole 284.

In order to further simplify the structure of the atomizing base 28 made of silica gel, please refer to fig. 10, in some embodiments, the fixing hole is only connected to the atomizing chamber 3 at one side, specifically, referring to fig. 10, the hole wall of the fixing hole 284 is only provided with a notch 2841, and the fixing hole 284 is only connected to the air inlet or to the atomizing chamber 3 through the notch 2841. Compare the atomizing seat that two notches that present setting were symmetrical each other come with atomizing chamber intercommunication, atomizing seat 28 in this embodiment structure is simpler, low in production cost.

For the carrier 241 being porous ceramic, the atomizing core 24 of the heating element 242 is arranged on the lower surface of the carrier 241, and the corresponding electric contact 11 is preferably provided with a spring needle structure, and the electric contact 11 can pass through the open opening 26 without obstruction and elastically abut against the heating element 242 to realize electric connection with the heating element 242. Of course, interference fit of the side walls of the electrical contacts 11 with the open mouth 26 is not precluded.

In the embodiment shown in fig. 13 and 14, the carrier 241 in the atomizing core 24 is a cotton stick, which may be bent in a positive U-shape or an inverted U-shape, may not be bent so as to be in a straight stick shape, or the like. A portion of the swab may extend into the storage chamber 22 to contact the aerosol substrate and then conduct the aerosol substrate to direct the aerosol substrate to a designated location; in order to prevent leakage, it is preferable that the aerosol matrix in the storage chamber 22 is adsorbed in the oil absorbing cotton 25, the cotton stick is contacted with the oil absorbing cotton 25 to absorb and conduct the aerosol matrix on the oil absorbing cotton 25, the hardness of the oil absorbing cotton 25 is smaller than that of the cotton stick, and the oil storage amount and oil absorption per unit volume are larger than those of the cotton stick of the same volume, and the oil guiding rate of the oil absorbing cotton 25 is also larger than that of the cotton stick to ensure sufficient supply of the aerosol matrix.

The heating body 242 includes a heating wire 2421 wound around the carrier 241 and a lead 2422 electrically connected to the heating wire 2421, the lead 2422 constituting an electrical contact portion electrically contacting the electrical contact 11 on the power supply assembly 1, the cotton stick having sufficient hardness to be able to support the heating wire 2421 wound in a spiral shape, the lead 2422 having two wires electrically connected to opposite ends of the heating wire 2421, respectively. The lead 2422 may be a wire or sheet metal or strip metal, flexible, and bendable or bendable.

The atomizer 2 is also provided with a support 29, the support 29 being mainly arranged in the mounting chamber and supporting the cotton swab. The support 29 has an insertion opening 292 and an air inlet 293, the insertion opening 292 and the air inlet 293 are both disposed in the mounting cavity, the lower end of the insertion opening 292 is opened to form an opening 26 for inserting the power contact 11, one end of the lead 2422 extends into the insertion opening 292 or extends out of the insertion opening 292, and the lead 2422, that is, the lead 2422 is exposed by visual observation from outside. When the electric contact 11 is partially inserted into the insertion hole 292, the side wall thereof is electrically connected to the lead 2422 by pressing, so the electric contact 11 may be a metal columnar body without elasticity, and the cost of the columnar metal type electric contact without elasticity is lower than that of the spring pin type electric contact. The support 29 has an atomizing chamber 3 therein, aerosol is mainly formed in the atomizing chamber 3, the support 29 has a third mounting plate 294 thereon, the third mounting plate 294 is laterally disposed to separate the atomizing chamber 3 from the insertion opening 292 while separating the cotton swab from the insertion opening 292, the air inlet 293 is disposed on the third mounting plate 294 directly below the atomizing chamber 3, and the air inlet 293 is composed of a large number of small holes in order to prevent oil from leaking through the air inlet 293.

Referring to fig. 4, the power supply assembly 12 includes a battery 121 and an electric control board 122, wherein the battery 121 is a disposable battery or a rechargeable battery, which is mounted on the second bracket 142 and electrically connected to the electric control board 122 to output electric energy to the electric contact 11 through the electric control board 122. The electric control board 122 is provided with a control circuit, including a power control circuit, a switch circuit, and the like, wherein the switch circuit includes an airflow sensor 1211, the airflow sensor 1211 is used for judging whether the suction action exists at the suction nozzle 211 according to the air pressure or the flow rate of the airflow, if so, the switch circuit is turned on, so that the battery 121 supplies power to the electric contact 11, otherwise, the switch circuit is kept to be continuously turned off. The part of the second mounting plate 1421 protrudes upwards to form a fifth boss 1425, the fifth boss 1425 is penetrated by the air guide hole 1426, and the top of the fifth boss 1425 is higher than the communication window 1418, so that the oil in the second liquid storage space 162 cannot overflow the fifth boss 1425 and enter the air guide hole 1426. The air vent 1426 communicates with the air flow sensor 1221 such that, when there is a pumping action, air from the air flow sensor 1221 enters the air vent 1426, then enters the through-hole 1417, and finally enters the mouth. When the air of the air flow sensor 1221 enters the air guide hole 1426, a negative pressure is generated, and the air flow sensor 1221 can determine whether or not there is a suction operation by sensing the negative pressure. After stopping the suction, the air enters the second liquid storage space 162 through the air inlet hole 15 or enters the upper part of the second liquid storage space 162, and then enters the air flow sensor 1221 through the air guide hole 1426, so as to supplement the air and balance the air pressure in the air flow sensor 1221.

In the embodiment shown in fig. 9-12, at least one of the outer wall of the second housing 21 and the inner wall of the first housing 13 is provided with a protruding strip 4, and the protruding strip 4 can be arranged axially or obliquely, etc., and the thickness of the protruding strip 4 is smaller as it extends downwards, so that the protruding strip is provided with a sloping surface, so that as the atomizer 2 penetrates into the docking space 131, the extrusion force between the atomizer 2 and the first housing 13 is larger, and when the atomizer 2 is docked in place, the protrusion 4 can be stably kept in the docking space 131, and a tight-fitting connection with the first housing 13 is realized. Compared with the mode that the atomizer and the first shell are mutually fixed by adopting the buckle connection, the magnetic attraction connection, the threaded connection and the like, the manufacturing cost of the convex strip 4 with the slope is the lowest, and the process is the simplest. Of course, the connection between the atomizer 2 and the first housing 13 may be realized by means of a snap connection, a magnetic connection, a screw connection, or the like without considering the production cost. In some embodiments, the sloping surface may be a plane or a curved surface, or may be a stepped surface, etc.

It should be noted that the description of the application and the accompanying drawings show preferred embodiments of the application, but are not limited to the embodiments described in the description, and further, that modifications or variations can be made by a person skilled in the art from the above description, and all such modifications and variations are intended to fall within the scope of the appended claims.

Claims (16)

1. A power supply assembly, comprising:

the first shell is internally provided with a longitudinally-spaced butt joint space and a containing space, the butt joint space is used for receiving at least part of the atomizer, and the first shell is provided with an air inlet hole which is in fluid communication with the containing space;

the bracket is arranged in the first shell, a power supply assembly is arranged on the bracket, the bracket comprises a first mounting plate, the first mounting plate separates the accommodating space from the docking space, and the first mounting plate is provided with a through hole which is communicated with the accommodating space and the docking space; and

and one end of the electric contact is extended into the docking space so as to be electrically connected with the atomizer, and the other end of the electric contact is electrically connected with the power supply assembly.

2. The power assembly of claim 1, wherein the bracket includes a first bracket and a second bracket, the power assembly being mounted in the second bracket, the first mounting plate being disposed transversely in the first bracket, the first mounting plate and the docking space having a first fluid storage space therebetween for storing fluid from the atomizer, the first mounting plate and the second bracket having a second fluid storage space therebetween for storing fluid spilled from the first fluid storage space.

3. The power assembly of claim 2, wherein the first bracket comprises a first annular wall;

the first mounting plate is partially and upwardly protruded to form a first boss and a second boss protruding towards the direction where the butt joint space is located, the first boss and the second boss are located in the surrounding area of the first annular wall, the through hole penetrates through the first boss, the second boss is provided with a mounting hole, and the part of the electrical contact is located in the mounting hole;

the first annular wall, the first mounting plate, the first boss, and the second boss define the first fluid storage space.

4. The power supply assembly of claim 2, wherein the bracket has a second annular wall with a gap from the first housing, the second annular wall being located below the first mounting plate, and the second annular wall having a communication window thereon, the communication window being in communication with the air intake aperture through the gap;

the second support is provided with a second mounting plate, the second mounting plate is transversely arranged to separate the power supply assembly from the first support, and the second liquid storage space is located in a section between the second mounting plate and the communication window.

5. The power assembly of claim 4, wherein a portion of the second mounting plate protrudes upward to form a third boss that supports the first mounting plate upward to prevent deformation of the first mounting plate, and the third boss is penetrated by a through hole from which one end of the electrical contact protrudes downward or from which a wire electrically connected to the electrical contact extends to be electrically connected to the power assembly.

6. The power assembly of claim 2, further comprising a first seal for providing a seal between the bracket and the first housing, a third fluid reservoir space being defined between the first housing, the bracket and the first seal for storing fluid spilled from the second fluid reservoir space, the air intake in communication with and above the third fluid reservoir space.

7. The power assembly of claim 1, further comprising a first seal and a second seal for providing a seal between the bracket and the first housing, the air intake aperture being positioned longitudinally between the first seal and the second seal.

8. The power assembly of claim 1, further comprising a second seal projecting at least partially upwardly and forming a ring shape to provide a sealed connection between the first mount and the atomizer.

9. An aerosol-generating device comprising the power supply assembly of any of claims 1-8 and a nebulizer, at least part of the nebulizer being located in the docking space and being electrically connected to the electrical contact.

10. An aerosol-generating device according to claim 9, wherein the outer wall of the atomizer has a longitudinally extending rib, the thickness of the rib towards one end of the power supply assembly being less than the thickness of the other parts, the atomizer being secured in the docking space by the rib being in close-fitting connection with the first housing.

11. A nebulizer, characterized in that the adaptation Yu Quanli requires a power supply assembly according to any one of claims 1-8, comprising:

a second housing having a storage chamber formed therein for storing the aerosol substrate, and an installation chamber formed therein;

an atomizing core at least partially disposed in the mounting cavity, the atomizing core comprising a carrier for absorbing the aerosol matrix and a heat generating body connected to the carrier, the heat generating body atomizing at least a portion of the aerosol matrix on the carrier by heat generation, the heat generating body comprising an electrical contact adapted to contact an electrical contact of a power supply assembly;

The lower end of the mounting cavity is opened to form an opening, and the electric contact part of the heating element is exposed from or accommodated in the opening, and the opening is configured to receive a part of the electric contact of the power supply assembly so that the electric contact part of the heating element is contacted with the electric contact.

12. The atomizer of claim 11 wherein said carrier is a porous ceramic, said heat generating body being disposed on said porous ceramic, said atomizing core further comprising a cellucotton having a receiving space, said porous ceramic being received within said cellucotton receiving space, at least a portion of said cellucotton being configured to provide a seal between said second housing and the porous ceramic.

13. The atomizer of claim 11 wherein said carrier is a porous ceramic, said heat generating body being disposed on said porous ceramic, said porous ceramic being positioned within said mounting cavity and enabling exposure of said heat generating body through said open mouth.

14. The atomizer of claim 11 wherein said carrier is a cotton swab, said heating element comprising a heating wire wound around said cotton swab and two leads electrically connected to said heating wire, each of said two leads extending into two of said openings.

15. The atomizer of claim 11 wherein said carrier is porous ceramic, said heater is disposed on said carrier, said atomizing core further comprising a silica gel seat, said silica gel seat connecting said carrier and said second housing, said silica gel seat having a fixing hole and an air inlet;

the atomizer also comprises a suction nozzle and a pipeline for air flow to pass through, one end of the pipeline is connected with the suction nozzle, the other end of the pipeline is inserted into the fixed hole, a ventilation channel for communicating the storage cavity with the air inlet is arranged between the side wall of the pipeline and the hole wall of the fixed hole, and part of air entering through the air inlet enters the suction nozzle through the pipeline, and the other part of air enters the storage cavity through the ventilation channel.

16. The atomizer of claim 15 wherein said fixed orifice has a notch in its wall, said notch communicating with said air inlet.