CN219762492U - Filter assembly and aerosol-generating device - Google Patents

Abstract

The utility model provides a filter assembly and aerosol generating equipment, wherein the filter assembly comprises a smoke channel, a cooling structure, an atomization channel and a suction channel, and the smoke channel is used for conveying aerosol; the cooling structure is provided with a cooling channel, and comprises an adsorption piece, wherein the adsorption piece is at least partially exposed in the cooling channel and is used for adsorbing condensate; the atomization channel and the flue gas channel are mutually independent; the flue gas channel is communicated with the suction channel through the cooling channel, and the atomization channel is communicated with the suction channel. The filter tip component and the aerosol generating device provided by the utility model can be used for cooling aerosol and have good suction taste.

Description

Filter assembly and aerosol-generating device

Technical Field

The utility model relates to the technical field of aerosol generating devices, in particular to a filter assembly and an aerosol generating device.

Background

The smoke generated by burning the traditional cigarettes contains harmful substances such as tar, and a user usually smokes the traditional cigarettes in a lighting mode, but long-term inhalation of the harmful substances can cause harm to human bodies. In order to overcome the harmful substances generated by the combustion of the conventional cigarettes, aerosol generating devices have appeared which reduce the harmful substances and thus the harm to the human body by heating the conventional cigarettes to generate aerosols.

Aerosol-generating devices typically heat a cigarette by a heat-generating body to produce a smoke for inhalation by a user. Because the temperature of flue gas is higher, scald the user easily, influence user's use experience. The aerosol-generating device of the related art has difficulty in both cooling the flue gas and maintaining a good mouthfeel of the suction.

Disclosure of Invention

The utility model provides a filter tip assembly and aerosol generating equipment, solves the problem that in the related art, the smoke is difficult to cool and simultaneously keeps good smoke sucking taste, and improves user experience.

The present utility model provides a filter assembly comprising:

a flue gas channel for delivering aerosol;

a cooling structure forming a cooling channel, the cooling structure comprising an adsorption element at least partially exposed in the cooling channel, the adsorption element being for adsorbing condensate;

the atomization channel and the flue gas channel are mutually independent;

and the smoke channel is communicated with the suction channel through the cooling channel, and the atomization channel is communicated with the suction channel.

In the filter assembly of the present utility model, the cooling structure further comprises an air passage bracket that encloses at least part of the cooling channel with the adsorbent member.

In the filter assembly of the present utility model, at least part of the adsorbing member is configured as a channel wall of the cooling channel.

In the filter assembly of the utility model, the air passage support comprises an air inlet, an air outlet and a runner part, wherein the air inlet and the air outlet are communicated with the runner part, the air inlet is communicated with the flue gas channel, the air outlet is communicated with the suction channel, and the adsorption piece covers the runner part to form at least part of the cooling channel.

In the filter assembly of the present utility model, the cooling structure further includes an air passage bracket, the cooling passage is formed on the air passage bracket, and the adsorbing member is located in the cooling passage.

In the filter assembly of the present utility model, the filter assembly comprises:

a filter, the suction channel and the cooling channel being formed in the filter, the filter being formed with at least part of the smoke channel;

the liquid guide assembly is at least partially arranged in the filter tip, the liquid guide assembly is matched with the filter tip to form at least partially the atomization channel, and the liquid guide assembly is provided with a penetration hole communicated with the atomization channel.

In the filter assembly of the present utility model, the filter comprises:

a filter body, the suction channel and the cooling channel being formed in the filter body;

the separator is provided with heat conductivity, a hollow cavity is formed in the separator, the liquid guide component is at least partially arranged in the hollow cavity, and the liquid guide component is matched with the cavity wall of the hollow cavity to form at least part of the atomization channel; the separator is at least partially arranged in the filter body and is matched with the filter body to form the smoke channel.

In the filter assembly of the present utility model, the filter body is provided with a sleeve portion, at least part of the partition being located within the sleeve portion, the partition being spaced from the sleeve portion to form at least part of the smoke passageway.

In the filter assembly of the present utility model, the cooling structure cooperates with the filter body to form at least part of the suction channel.

In the filter assembly of the present utility model, the filter is provided with a gas inlet communicated with the atomizing channel, the filter comprises a separator, and the liquid guide assembly comprises:

the first liquid guide piece is connected with the partition piece, at least part of the first liquid guide piece stretches into the partition piece, and the first liquid guide piece is matched with the partition piece to form at least part of the atomization channel.

In the filter assembly of the present utility model, the first liquid guide includes:

a first liquid guiding portion disposed at a distance from an inner sidewall of the partition;

the baffle part is arranged on the periphery of the first liquid guide part in a protruding mode, the baffle part is abutted to the inner side wall of the partition to divide the hollow cavity of the partition into at least a first cavity and a second cavity, the first cavity is communicated with the gas inlet, the second cavity is communicated with the suction channel, one end, close to the bottom wall of the partition, of the baffle part is matched with the partition to form a communication port, and the first cavity is communicated with the second cavity through the communication port.

In the filter assembly of the present utility model, the barrier portion extends in a first direction, and the gas inlet and the communication port are provided at opposite ends of the barrier portion in the first direction, respectively.

In the filter assembly of the present utility model, the first liquid guide further comprises:

the second liquid guiding part is connected with the first liquid guiding part, the second liquid guiding part is connected with the separating piece, the maximum outer diameter of the second liquid guiding part is larger than that of the first liquid guiding part, and the distance between the second liquid guiding part and the bottom wall of the separating piece is larger than that between the first liquid guiding part and the bottom wall of the separating piece.

In the filter assembly of the present utility model, the liquid guide assembly further comprises:

the second liquid guide piece is connected with the first liquid guide piece, the second liquid guide piece is arranged in the separation piece, and the first liquid guide piece, the second liquid guide piece and the separation piece are matched to form the atomization channel.

The present utility model also provides an aerosol-generating device comprising:

a host comprising an aerosol-generating mechanism for heating an aerosol substrate to generate an aerosol; and

the filter assembly of any of the above, connected to the host computer.

The filter tip component and the aerosol generating device provided by the utility model can be used for cooling aerosol and have good suction taste. When the aerosol output from the flue gas channel flows through the cooling channel, the cooling channel can cool the aerosol, so that the mouth is prevented from being scalded when a user sucks the aerosol. In addition, since the cooling structure comprises the adsorption piece, the adsorption piece is at least partially exposed in the cooling channel, and therefore the adsorption piece can adsorb condensate generated during the cooling process of aerosol in the cooling channel at the first time, and the condensate is prevented from being sucked by a user. In addition, because the atomizing channel is mutually independent with the flue gas channel, the flue gas channel is communicated with the suction channel through the cooling channel, the atomizing channel is communicated with the suction channel, aerosol output from the flue gas channel can enter the cooling channel for cooling and then is conveyed to the suction channel, aerosol output from the cooling channel and atomized gas from the atomizing channel are mixed in the suction channel, atomized gas generated by atomizing an atomizing medium does not flow through the cooling channel, therefore, the cooling channel can not cool and/or adsorb moisture and aroma-enhancing components of the atomized gas, and mixed gas formed by mixing the atomized gas and the aerosol in the suction channel can keep the moisture and/or aroma-enhancing components of the atomized gas to the greatest extent, so that the suction taste of the whole aerosol is effectively improved, and the user experience is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure of embodiments of the utility model.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an angled cross-sectional view of a filter assembly provided in accordance with one embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;

figure 3 is an exploded view of a filter assembly provided in accordance with one embodiment of the present utility model;

FIG. 4 is a schematic diagram of an airway stent according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a filter assembly according to one embodiment of the present utility model;

FIG. 6 is a schematic structural diagram of a first liquid guiding member according to an embodiment of the present utility model;

figure 7 is another angular cross-sectional view of a filter assembly provided in accordance with an embodiment of the present utility model;

fig. 8 is a partial cross-sectional view of an aerosol-generating device provided by an embodiment of the utility model;

fig. 9 is a schematic structural view of an aerosol-generating mechanism according to an embodiment of the present utility model.

Reference numerals illustrate:

100. a filter assembly;

10. a flue gas channel;

20. a cooling structure; 21. a cooling channel; 22. an absorbing member; 23. an airway stent; 231. an air inlet; 232. an exhaust port; 233. a flow path portion; 234. a substrate; 235. a baffle;

30. an atomizing passage; 40. a suction channel;

50. a filter; 51. a filter body; 511. a sleeve portion; 512. a first housing; 5121. a suction port; 513. a second housing; 514. a housing chamber; 515. a storage cavity; 52. a partition; 521. a hollow cavity; 5211. a first chamber; 5212. a second chamber; 53. a gas inlet;

60. a liquid guiding component; 61. a first liquid guide; 611. a first liquid guiding part; 612. a baffle part; 613. a second liquid guiding part; 62. a second liquid guide; 70. a communication port;

200. a host; 201. an aerosol-generating mechanism; 2011. a smoke tube; 2012. a heating body; 2013. a receiving chamber; 2014. a substrate inlet; 300. an aerosol-generating substrate.

Detailed Description

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

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

It is also to be understood that the terminology used in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

Referring to fig. 1 and 2, the present utility model provides a filter assembly 100, which includes a smoke channel 10, a cooling structure 20, an atomizing channel 30 and a suction channel 40, wherein the smoke channel 10 is used for delivering aerosol, the cooling structure 20 is formed with a cooling channel 21, the cooling structure 20 includes an adsorbing member 22, the adsorbing member 22 is at least partially exposed in the cooling channel 21, and the adsorbing member 22 is used for adsorbing condensate; the atomizing channel 30 is independent of the flue gas channel 10; the smoke passage 10 communicates with the suction passage 40 through the cooling passage 21, and the atomizing passage 30 communicates with the suction passage 40.

The filter assembly 100 provided in the above embodiments can cool the aerosol while maintaining a good aerosol suction taste. It will be appreciated that the aerosol output from the smoke channel 10 is able to cool the aerosol as it flows through the cooling channel 21, avoiding scalding the mouth when drawn by the user. In addition, since the cooling structure 20 includes the adsorbing member 22, the adsorbing member 22 is at least partially exposed in the cooling channel 21, so that the adsorbing member 22 can adsorb condensate generated during the cooling process of the aerosol in the cooling channel 21 at the first time, preventing the condensate from being sucked by the user. In addition, since the atomization channel 30 is independent from the flue gas channel 10, the flue gas channel 10 is communicated with the suction channel 40 through the cooling channel 21, the atomization channel 30 is communicated with the suction channel 40, the aerosol output from the flue gas channel 10 can enter the cooling channel 21 for cooling and then is conveyed to the suction channel 40, the aerosol output from the cooling channel 21 and the atomized gas from the atomization channel 30 are mixed in the suction channel 40, and the atomized gas generated by atomization of the atomization medium does not flow through the cooling channel 21, so that the cooling channel 21 does not cool and/or adsorb the moisture and aroma components of the atomized gas, the moisture and/or aroma components of the atomized gas can be furthest reserved by the mixed gas formed by mixing the atomized gas and the aerosol in the suction channel 40, the suction taste of the whole aerosol is effectively improved, and the user experience is improved.

Illustratively, the nebulizing medium comprises at least one of: regulating liquid of essential oils, regulating liquid of herbal medicines, etc.

Illustratively, the nebulizing medium is a conditioning fluid of essential oils. The regulating fluid of the essential oil comprises propylene glycol, is in a viscous liquid state at normal temperature, has poor fluidity, has a boiling point of 150 ℃, and has stronger fluidity and faster permeation speed when the temperature is higher.

Referring to fig. 2 and 3, in some embodiments, the cooling structure 20 further includes an air passage support 23, and the air passage support 23 and the adsorbing member 22 together define at least a portion of the cooling channel 21. The provision of the air passage bracket 23 can enhance the mechanical strength of the cooling passage 21 and can support the load-bearing adsorption member 22.

Referring to FIG. 1, in some embodiments, at least a portion of the adsorbent member 22 is configured to cool the channel walls of the channels 21. In this way, the adsorbing member 22 can adsorb condensate generated during the cooling of the aerosol in the cooling passage 21 at the first time, preventing the condensate from being sucked by the user. On the basis that the absorption part 22 can absorb condensate in the cooling channel 21, the cooling structure 20 is simple in structure and convenient to assemble, and the absorption part 22 and part of channel walls surrounding the cooling channel 21 of the absorption part 22 are not required to be arranged respectively, so that the volume and the weight of the cooling structure 20 are reduced, and the miniaturization and the light weight of products are facilitated.

Referring to fig. 1 and 4, in some embodiments, the air duct support 23 includes an air inlet 231, an air outlet 232, and a flow path portion 233, the air inlet 231 and the air outlet 232 are both in communication with the flow path portion 233, the air inlet 231 is in communication with the flue gas channel 10, the air outlet 232 is in communication with the suction channel 40, and the adsorbent member 22 covers the flow path portion 233 to form at least a portion of the cooling channel 21. By this arrangement, the condensate formed by cooling the aerosol in the flow path portion 233 can be absorbed by the absorbing member 22 at the first time, so that the user is prevented from sucking the condensate, and the user experience is improved.

Referring to fig. 4, the flow path portion 233 is illustratively provided with a bent shape to effectively extend the length of the cooling passage 21 in a limited space, so that the high-temperature aerosol is in contact with the passage wall of the cooling passage 21 as much as possible when flowing through the cooling passage 21, thereby effectively cooling the aerosol.

In the present embodiment, the flow path portion 233 forms a swirl flow path around the exhaust port 232, and the air inlet 231 is located at the outer periphery of the swirl flow path. Specifically, referring to fig. 4, the air duct support 23 includes a base plate 234 and a baffle 235 protruding from a surface of one side of the base plate 234, the baffle 235 extends in a vortex shape, the baffle 235 and the base plate 234 enclose a vortex-shaped flow path portion 233, and the exhaust port 232 is located at the center of the base plate 234. The end of the baffle 235 remote from the substrate 234 may abut against the suction member 22, in other words, the suction member 22 covers the flow path portion 233 to form at least part of the cooling passage 21.

In some embodiments, the cooling structure 20 further includes an air passage bracket 23, the cooling passage 21 is formed on the air passage bracket 23, and the adsorbing member 22 is located in the cooling passage 21. So, cooling channel 21's simple structure, the gas tightness is good, simultaneously for the aerosol cools off the condensate that forms in cooling channel 21 and can be absorbed by adsorption piece 22 very first time, prevents that the user from sucking to the condensate, promotes user experience.

Illustratively, the adsorbent member 22 includes adsorbent cotton that is effective to adsorb condensate within the cooling channels 21.

Referring to fig. 1 and 3, in some embodiments, the filter assembly 100 includes a filter 50 and a drainage assembly 60, with the suction channel 40 and the cooling channel 21 formed in the filter 50, and the filter 50 formed with at least a portion of the smoke channel 10; at least part of the liquid guide assembly 60 is arranged in the filter tip 50, the liquid guide assembly 60 and the filter tip 50 are matched to form at least part of the atomization channel 30, the atomization channel 30 and the smoke channel 10 are mutually independent, and the liquid guide assembly 60 is provided with a penetration hole communicated with the atomization channel 30. It will be appreciated that the liquid guide assembly 60 can be in contact with the nebulized medium, the permeate aperture can deliver nebulized medium to the nebulization channel 30, the nebulized medium at the nebulization channel 30 can be heated for nebulization to produce a nebulized gas that can be delivered to the suction channel 40 for mixing with the aerosol from the cooling channel 21 for flavoring and/or increasing the amount of smoke for improving the suction mouthfeel of the aerosol. Because the atomizing channel 30 and the flue gas channel 10 are independent, the cooling channel 21 does not cool and/or adsorb the moisture and aroma components of the atomized gas, and the mixed gas formed by mixing the atomized gas and the aerosol at the suction channel 40 can retain the moisture and/or aroma components of the atomized gas to the greatest extent, so that the suction taste of the whole aerosol is effectively improved.

Referring to fig. 1 to 3, in some embodiments, the filter 50 includes a filter body 51 and a partition 52, and the suction channel 40 and the cooling channel 21 are formed in the filter body 51; the partition 52 has thermal conductivity, the partition 52 is formed with a hollow cavity 521, the liquid guide assembly 60 is at least partially disposed in the hollow cavity 521, and the liquid guide assembly 60 cooperates with a cavity wall of the hollow cavity 521 to form at least part of the atomizing channel 30; the partition 52 is at least partially disposed within the filter body 51 and cooperates with the filter body 51 to form the smoke channel 10. The partition 52 serves to separate the smoke passage 10 and the atomizing passage 30. In the present embodiment, the partition 52 is connected to the filter body 51, the liquid guide assembly 60 is connected to the filter body 51, and when the filter assembly 100 is applied to an aerosol-generating device, the partition 52 having thermal conductivity is capable of absorbing heat of an aerosol-generating mechanism 201 (see fig. 8) of the aerosol-generating device and/or heat of an aerosol to atomize a liquid atomizing medium, thereby generating an atomized gas having a flavored aroma, satisfying a user's suction sensory experience.

Referring to fig. 2 and 3, in some embodiments, the filter body 51 is provided with a sleeve portion 511, at least a portion of the divider 52 is located within the sleeve portion 511, and the divider 52 is spaced from the sleeve portion 511 to form at least a portion of the smoke passageway 10. In this embodiment, the sleeve portion 511 is hollow, and the outer wall of the partition 52 and the inner wall of the sleeve portion 511 are spaced apart to form at least part of the smoke channel 10, so that when the aerosol flows in the smoke channel 10, the heat of the aerosol exchanges heat with the partition 52, so that the temperature of the partition 52 is increased to atomize the atomized medium, and meanwhile, the filter assembly 100 is compact in structure and the smoke channel 10 is simple in structure.

Referring to fig. 1, in some embodiments, the cooling structure 20 cooperates with the filter body 51 to form at least a portion of the suction channel 40. In the present embodiment, the side of the air passage support 23 facing away from the suction member 22 is spaced from the filter body 51 to form at least part of the suction passage 40, and it is understood that the air passage support 23 is designed as part of the passage wall of the suction passage 40, so that the air passage support 23 can be fully utilized, and the product volume and weight can be saved.

Referring to fig. 1, the filter body 51 further defines a storage chamber 515, the storage chamber 515 is configured to store an atomized medium, and the liquid guide assembly 60 is configured to convey the atomized medium from the storage chamber 515.

Referring to fig. 2 and 5, in some embodiments, a gas inlet 53 is provided in the filter 50 in communication with the atomizing channel 30, and the filter 50 includes a divider 52. The liquid guide assembly 60 includes a first liquid guide member 61, the first liquid guide member 61 being connected to the partition 52 and at least a portion of the first liquid guide member 61 extending into the partition 52, the first liquid guide member 61 cooperating with the partition 52 to form at least a portion of the nebulization channel 30. In this embodiment, a liquid guiding channel is disposed in the first liquid guiding member 61, and the liquid guiding channel is communicated with the storage cavity 515 for storing the atomized medium, and the liquid guiding channel can guide the atomized medium to be delivered to the atomized channel 30, and the outer side wall of the first liquid guiding member 61 and the inner side wall of the partition 52 are arranged at intervals to form at least part of the atomized channel 30, so that the outer side wall of the first liquid guiding member 61 and the inner side wall of the partition 52 are respectively designed as part of the channel walls of the atomized channel 30, the first liquid guiding member 61 and the partition 52 can be fully utilized, the number of components is reduced, and the filter assembly 100 has a compact and simple structure.

Referring to fig. 6 and 7, in conjunction with fig. 1, in some embodiments, the first liquid guiding member 61 includes a first liquid guiding portion 611 and a baffle portion 612, where the first liquid guiding portion 611 is spaced from the inner sidewall of the partition 52; the baffle portion 612 is convexly arranged on the outer periphery of the first liquid guiding portion 611, the baffle portion 612 abuts against the inner side wall of the partition 52, so that the baffle portion 612 and the first liquid guiding portion 611 are matched to divide the hollow cavity 521 of the partition 52 into at least a first chamber 5211 and a second chamber 5212, the first chamber 5211 is communicated with the gas inlet 53, the second chamber 5212 is communicated with the suction channel 40, one end, close to the bottom wall of the partition 52, of the baffle portion 612 is matched with the partition 52 to form a communication port 70, and the first chamber 5211 is communicated with the second chamber 5212 through the communication port 70. External gas can enter the first chamber 5211 via the gas inlet 53 to equalize the internal and external gas pressure of the filter assembly 100. When a user sucks, the atomized gas in the first chamber 5211 can be delivered to the second chamber 5212 through the communication port 70, and the atomized gas in the second chamber 5212 can be delivered to the suction channel 40 to be mixed with the aerosol from the cooling channel 21, so as to flavor and/or increase the amount of smoke in the aerosol, and improve the sucking taste of the aerosol. In other embodiments, the inner side wall of the partition 52 may be provided with a baffle portion 612 abutting against the outer periphery of the first liquid guiding portion 611, and the hollow cavity 521 of the partition 52 may be divided into the first chamber 5211 and the second chamber 5212, which is not described here too much.

Referring to fig. 1, 6 and 7, in some embodiments, the barrier portion 612 extends along a first direction, and the gas inlet 53 and the communication port 70 are respectively disposed at opposite ends of the barrier portion 612 along the first direction, so as to increase the fluidity of the atomized gas in the first chamber 5211 as much as possible, reduce the atomized gas that stays in the first chamber 5211 and is difficult to enter the second chamber 5212, and increase the utilization rate of the atomized medium.

Illustratively, the first direction is parallel to the axial direction of the first liquid guiding portion 611.

Referring to fig. 6, in some embodiments, the first liquid guiding member 61 further includes a second liquid guiding portion 613, the second liquid guiding portion 613 is connected to the first liquid guiding portion 611, the second liquid guiding portion 613 is connected to the partition 52, the maximum outer diameter of the second liquid guiding portion 613 is larger than the maximum outer diameter of the first liquid guiding portion 611, and the distance between the second liquid guiding portion 613 and the bottom wall of the partition 52 is larger than the distance between the first liquid guiding portion 611 and the bottom wall of the partition 52. The maximum outer diameter of the second liquid guiding part 613 is larger than that of the first liquid guiding part 611, so that a step is formed at the joint of the first liquid guiding part 611 and the second liquid guiding part 613, and the step is used for being abutted against the airway bracket 23 to play a certain limiting role. In this embodiment, the first liquid guiding portion 611 is provided with a first liquid guiding channel, the second liquid guiding portion 613 is provided with a second liquid guiding channel, both the first liquid guiding channel and the second liquid guiding channel are communicated with the storage cavity 515 for storing the atomized medium, the atomized medium is sequentially conveyed to the atomized channel 30 through the second liquid guiding channel and the first liquid guiding channel, and through such arrangement, the flow direction of the atomized medium is limited, so that the atomized medium is prevented from flowing in the filter tip body 51 at will, and leakage is avoided.

Referring to fig. 1 and 2, in some embodiments, the liquid guiding assembly 60 further includes a second liquid guiding member 62, the second liquid guiding member 62 is connected to the first liquid guiding member 61, the second liquid guiding member 62 is disposed in the partition 52, and the first liquid guiding member 61, the second liquid guiding member 62 and the partition 52 cooperate to form the atomizing channel 30. The first liquid guide 61 is capable of conveying the atomizing medium to the second liquid guide 62 for atomization.

Illustratively, a portion of the atomizing medium may also be heated to atomize at the first liquid guide 61.

Illustratively, the second liquid guide 62 is disposed proximate to the aerosol-generating mechanism 201 and the first liquid guide 61 is disposed distal to the aerosol-generating mechanism 201.

Illustratively, the first liquid guide 61 includes at least one of: plastic catheter, porous structure's atomizing core. The second fluid guide 62 includes a porous structured atomizing core, such as a porous ceramic atomizing core.

In this embodiment, the first liquid guiding member 61 adopts a plastic liquid guiding tube, the atomized medium is conveyed to the second liquid guiding member 62 through the liquid guiding channel of the first liquid guiding member 61, the second liquid guiding member 62 is an atomized core with a porous structure, and by adopting the arrangement mode, after the first liquid guiding member 61 guides the atomized medium to be conveyed to the second liquid guiding member 62, the atomized medium is conveyed to the atomized channel 30 by utilizing the porous structure of the second liquid guiding member 62, the rate of conveying the atomized medium to the atomized channel 30 can be controlled by the porous structure of the second liquid guiding member 62, and the atomized medium is conveyed to the atomized channel 30 according to a certain rate through the cooperation of the first liquid guiding member 61 and the second liquid guiding member 62, so that the atomized medium is prevented from flowing randomly in the filter body 51, and meanwhile, the atomized medium is prevented from being conveyed too much and consumed too fast.

Referring to fig. 1 and 3, in some embodiments, the filter body 51 includes a first housing 512 and a second housing 513. The cooling structure 20 is at least partially located within the first housing 512; the second casing 513 is connected with the first casing 512 and encloses a containing cavity 514, at least part of the liquid guiding component 60 and at least part of the partition 52 are located in the containing cavity 514, the second casing 513 is formed with a sleeve part 511 for the partition 52 to penetrate, and at least part of the flue gas channel 10 is formed by spacing the partition 52 from the wall of the sleeve part 511. In the present embodiment, the liquid guiding component 60 and the partition 52 are connected to the first housing 512, and the sleeve portion 511 is communicated with the accommodating cavity 514, so that the filter assembly 100 is simple and compact in structure.

Referring to fig. 1 and 3, illustratively, the first housing 512 is provided with a suction port 5121, the suction port 5121 being in communication with the suction channel 40, and a user can inhale aerosol through the suction port 5121.

For example, referring to fig. 1, solid arrows L1 in fig. 1 indicate the transport direction of the atomizing gas and/or the external gas, and broken arrows L2 indicate the transport direction of the aerosol. The aerosol enters the suction passage 40 after passing through the smoke passage 10 and the cooling passage 21, and the atomized gas in the atomized passage 30 can be supplied to the suction passage 40 to be mixed with the aerosol from the cooling passage 21 in the suction passage 40 to form a mixed gas, which can be outputted from the suction port 5121.

Illustratively, the liquid guide assembly 60 is coupled to the first housing 512 to form a first intermediate body. The suction member 22 is connected to the flow path portion 233 of the air path holder 23, and the partition member 52 is connected to the air path holder 23 to form a second intermediate body. The second intermediate airway bracket 23 is connected to the second housing 513 to form a third intermediate. The first housing 512 of the first intermediate body is connected with the second housing 513 of the third intermediate body, thereby completing the assembly of the filter assembly 100.

Referring to fig. 8, the present utility model also provides an aerosol-generating device comprising a host 200 and the filter assembly 100 of any of the above embodiments; the host 200 comprises an aerosol-generating mechanism 201, the aerosol-generating mechanism 201 being for heating an aerosol matrix to generate an aerosol; the filter assembly 100 is connected to a host 200.

Illustratively, the aerosol-generating substrate is a cigarette. The cigarette can be a traditional cigarette, a special cigarette cartridge and the like. Illustratively, the aerosol comprises flue gas.

Illustratively, the aerosol-generating mechanism 201 is for circumferentially heating an aerosol-generating substrate to generate an aerosol. In other embodiments, the aerosol-generating mechanism 201 may also perform a central heating or a hybrid heating of the aerosol-generating substrate to generate an aerosol, the hybrid heating comprising a combination of circumferential heating and central heating.

Referring to fig. 9, in some embodiments, the aerosol-generating mechanism 201 comprises a smoke tube 2011 and a heating body 2012 surrounding an inner and/or outer wall of the smoke tube 2011. The smoke tube 2011 is for housing the aerosol-generating substrate 300. The heating body 2012 comprises a plurality of heating sections, and each heating section is arranged on the inner wall and/or the outer wall of the smoke tube 2011 at intervals. Referring to fig. 9, in some embodiments, the smoke tube 2011 has a receiving cavity 2013 and a matrix inlet 2014, the matrix inlet 2014 is in communication with the receiving cavity 2013, the matrix inlet 2014 is provided at an end of the smoke tube 2011 remote from the filter assembly 100, and the aerosol-generating substrate 300 is capable of entering the receiving cavity 2013 or being removed from the receiving cavity 2013 via the matrix inlet 2014.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "mechanically coupled," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The mechanical coupling or coupling of the two components includes direct coupling as well as indirect coupling, e.g., direct fixed connection, connection through a transmission mechanism, etc. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The above disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. The foregoing description of specific example components and arrangements has been presented to simplify the present disclosure. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular method step, feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular method steps, features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (15)

1. A filter assembly, comprising:

a flue gas channel for delivering aerosol;

a cooling structure forming a cooling channel, the cooling structure comprising an adsorption element at least partially exposed in the cooling channel, the adsorption element being for adsorbing condensate;

the atomization channel and the flue gas channel are mutually independent;

and the smoke channel is communicated with the suction channel through the cooling channel, and the atomization channel is communicated with the suction channel.

2. The filter assembly of claim 1, wherein the cooling structure further comprises an air channel support that cooperates with the adsorbent member to define at least a portion of the cooling channel.

3. A filter assembly according to claim 2, wherein at least part of the adsorbent member is configured as a channel wall of the cooling channel.

4. A filter assembly according to claim 3, wherein the airway bracket comprises an inlet, an outlet and a flow passage portion, the inlet and outlet each communicating with the flow passage portion, the inlet communicating with the smoke passage, the outlet communicating with the suction passage, the adsorbent member covering the flow passage portion to form at least part of the cooling passage.

5. The filter assembly of claim 1, wherein the cooling structure further comprises an air channel bracket, the cooling channel being formed on the air channel bracket, the adsorbent being located within the cooling channel.

6. A filter assembly according to any of claims 1 to 5, wherein the filter assembly comprises:

a filter, the suction channel and the cooling channel being formed in the filter, the filter being formed with at least part of the smoke channel;

the liquid guide assembly is at least partially arranged in the filter tip, the liquid guide assembly is matched with the filter tip to form at least partially the atomization channel, and the liquid guide assembly is provided with a penetration hole communicated with the atomization channel.

7. The filter assembly of claim 6, wherein the filter comprises:

a filter body, the suction channel and the cooling channel being formed in the filter body;

the separator is provided with heat conductivity, a hollow cavity is formed in the separator, the liquid guide component is at least partially arranged in the hollow cavity, and the liquid guide component is matched with the cavity wall of the hollow cavity to form at least part of the atomization channel; the separator is at least partially arranged in the filter body and is matched with the filter body to form the smoke channel.

8. A filter assembly according to claim 7, wherein the filter body is provided with a sleeve portion, at least part of the partition being located within the sleeve portion, the partition being spaced from the sleeve portion to form at least part of the smoke passageway.

9. The filter assembly of claim 8, wherein the cooling structure cooperates with the filter body to form at least a portion of the suction channel.

10. A filter assembly according to claim 6, wherein the filter has a gas inlet in communication with the atomizing channel, the filter including a divider, the liquid guide assembly comprising:

the first liquid guide piece is connected with the partition piece, at least part of the first liquid guide piece stretches into the partition piece, and the first liquid guide piece is matched with the partition piece to form at least part of the atomization channel.

11. The filter assembly of claim 10, wherein the first liquid guide comprises:

a first liquid guiding portion disposed at a distance from an inner sidewall of the partition;

the baffle part is arranged on the periphery of the first liquid guide part in a protruding mode, the baffle part is abutted to the inner side wall of the partition to divide the hollow cavity of the partition into at least a first cavity and a second cavity, the first cavity is communicated with the gas inlet, the second cavity is communicated with the suction channel, one end, close to the bottom wall of the partition, of the baffle part is matched with the partition to form a communication port, and the first cavity is communicated with the second cavity through the communication port.

12. A filter assembly according to claim 11, wherein the barrier portion extends in a first direction, the gas inlet and the communication port being provided at opposite ends of the barrier portion in the first direction, respectively.

13. The filter assembly of claim 11, wherein the first liquid guide further comprises:

the second liquid guiding part is connected with the first liquid guiding part, the second liquid guiding part is connected with the separating piece, the maximum outer diameter of the second liquid guiding part is larger than that of the first liquid guiding part, and the distance between the second liquid guiding part and the bottom wall of the separating piece is larger than that between the first liquid guiding part and the bottom wall of the separating piece.

14. The filter assembly of claim 10, wherein the drainage assembly further comprises:

the second liquid guide piece is connected with the first liquid guide piece, the second liquid guide piece is arranged in the separation piece, and the first liquid guide piece, the second liquid guide piece and the separation piece are matched to form the atomization channel.

15. An aerosol-generating device, comprising:

a host comprising an aerosol-generating mechanism for heating an aerosol substrate to generate an aerosol; and

the filter assembly of any of claims 1-14, connected to the host machine.