Cartridge for aerosol provision system and aerosol provision system

Abstract

This application discloses a cartridge for an aerosol provision system and the aerosol provision system, at least comprising an atomization chamber, a first leakage-proof unit with a first leakage-proof chamber, a first holder and a liquid absorbent member, the first leakage-proof chamber is adjacent to the atomization chamber and located upstream of the atomization chamber along an airflow direction, the first holder has a first bottom face forming the bottom of the first leakage-proof chamber, and a first air vent tube extending from the first bottom face into the first leakage-proof chamber, the liquid absorbent member is located within the first leakage-proof chamber with a passing hole, the passing hole being configured to allow the first air vent tube to pass through, a top face of the passing hole being not lower than a top face of the first air vent tube. Through the embodiments of this application, the technical issues of how to properly collect and process condensate, prevent the accumulation of condensate in the atomization chamber, and avoid the inhalation of condensate along with aerosol by users during puffing, thereby affecting the user's puffing experience, as well as how to prevent condensate from coming into contact with components such as batteries, and avoid damage to components like batteries, have been addressed.

Description

[0001] CARTRIDGE FOR AEROSOL PROVISION SYSTEM AND AEROSOL PROVISION SYSTEM

[0002] Technical Field

[0003] This invention is related to the field of aerosol provision, particularly relating to a cartridge for an aerosol provision system and aerosol provision system.

[0004] Technical Background

[0005] Electronic cigarette-type aerosol provision systems, which heat but do not combust aerosol-generating materials containing aerosol-forming substrates (such as tobacco), generally utilize heaters or similar devices to heat the aerosol-generating materials to a sufficiently high temperature for the generation of aerosol for puffing by the user. Aerosol delivery systems typically use batteries to provide power to the heater. The aerosol, when exposed to cold, will generate condensate. If the condensate is not properly collected and treated, on one hand, it is prone to accumulate in the atomization chamber, leading to the condensate being puffed by users along with the aerosol during puffing, affecting the user's puffing experience. On the other hand, if the condensate comes into contact with components such as the battery, it can cause damage to these components in the electronic cigarette technology field.

[0006] Therefore, there is an urgent need for a leakage-proof structure for the aerosol provision system to solve one or more of these technical issues.

[0007] Content of Invention

[0008] The invention aims to solve at least one of the technical issues present in the prior art. Therefore, this invention discloses a cartridge for an aerosol provision system and the aerosol provision system to address the technical issues of how to properly collect and handle condensate, prevent the accumulation of condensate in the atomization chamber, leading to the inhalation of condensate by users along with the aerosol during puffing, affecting the user's inhalation experience. Additionally, it addresses how to prevent condensate from coming into contact with components such as the battery, thereby avoiding damage to components like the battery.

[0009] In the first aspect, this invention discloses a cartridge for an aerosol provision system, the cartridge being provided with an atomization chamber inside, the cartridge further comprises a first leakage-proof unit, the first leakage-proof unit comprises: a first leakage-proof chamber, adjacent to the atomization chamber and located upstream of the atomization chamber along an airflow direction; a first holder, having a first bottom face forming the bottom of the first leakage-proof chamber, and a first air vent tube extending from the first bottom face into the first leakageproof chamber; a liquid absorbent member, located within the first leakage-proof chamber, the liquid absorbent member having a passing hole, the passing hole being configured to allow the first air vent tube to pass through, a top face of the passing hole being not lower than a top face of the first air vent tube.

[0010] In the embodiments of this invention, a first leakage-proof chamber is positioned upstream of the atomization chamber along the airflow direction, aiming to prevent the condensate from accumulating in the atomization chamber. Simultaneously, a liquid absorbent member is placed within the first leakage-proof chamber to absorb the condensate. On the one hand, this prevents the condensate from accumulating in the atomization chamber, avoiding the inhalation of condensate by users along with the aerosol during puffing, thus preserving the user's puffing experience. On the other hand, it prevents condensate from coming into contact with components such as the battery, preventing potential damage to components like the battery.

[0011] In a technical solution of the aerosol provision system, the first holder further has a first circumferential wall, a circumferential surface of the first leakage-proof chamber is enclosed by the first circumferential wall.

[0012] In a technical solution of the aerosol provision system, in the depth direction of the first leakage-proof chamber, the height of the liquid absorbent member is not less than the depth of the first leakage-proof chamber.

[0013] By setting the height of the liquid absorbent member not less than the depth of the first leakage-proof chamber, it allows the liquid absorbent member to absorb condensate as much as possible, preventing the condensate from accumulating on the side walls of the first leakage-proof chamber.

[0014] In a technical solution of the aerosol provision system, a top face of the liquid absorbent member is flush to a top face of the first leakage-proof chamber.

[0015] In a technical solution of the aerosol provision system, the liquid absorbent member completely saturates the first leakage-proof chamber.

[0016] By filling the liquid absorbent member to occupy the entire space of the first leakageproof chamber, it further ensures that the liquid absorbent member can absorb condensate as much as possible, preventing the condensate from accumulating on the side walls of the first leakage-proof chamber.

[0017] In a technical solution of the aerosol provision system, the first leakage-proof unit further comprises a sealing member located at the top of the first holder, the sealing member is opened with an opening, and the opening communicates the first leakage-proof chamber with the atomizing chamber.

[0018] By placing a sealing element at the top of the first holder, it helps prevent condensate from leaking out of the opening of the first leakage-proof chamber when there is an excess of condensate within the first leakage-proof chamber.

[0019] In a technical solution of the aerosol provision system, the cartridge is formed with an air flow channel inside, one end of the first holder away from the first leakage-proof chamber is further provided with an intercepting air hole, the intercepting air hole is formed as a part of the air flow channel, and the fluid flux of the air flow channel at the intercepting air hole is the smallest.

[0020] In a technical solution of the aerosol provision system, there are multiple intercepting air holes.

[0021] In a technical solution of the aerosol provision system, the first leakage-proof unit further comprises: a first collecting groove, arranged on a bottom wall of the first leakage-proof chamber, and extending along the transverse direction of the cartridge.

[0022] By setting a first collecting groove on the bottom wall of the first leakage-proof chamber, it allows the first collecting groove to adsorb a portion of the condensate, further enhancing the leakage-proof effect.

[0023] In a technical solution of the aerosol provision system, the width of a groove opening of the first collecting groove is greater than the width of a groove bottom of the first collecting groove.

[0024] By configuring the first collecting groove with a width at the mouth greater than the width at the bottom, it facilitates the entry of condensate into the first collecting groove.

[0025] In a technical solution of the aerosol provision system, there are multiple first collecting grooves.

[0026] In a technical solution of the aerosol provision system, the cartridge further comprises a second leakage-proof unit arranged upstream of the first leakage-proof unit along the airflow direction; the second leakage-proof unit comprises at least: a second leakage-proof chamber, in fluid communication with the first leakage-proof chamber through the first air vent tube; a second holder, having a second bottom face forming a bottom wall of the second leakage-proof chamber, and a second air vent tube extending from the second bottom face into the second leakage-proof chamber; a second collecting groove, arranged on the second bottom face, and extending along the transverse direction of the cartridge.

[0027] By placing a second leakage-proof unit upstream along the airflow direction from the first leakage-proof unit, it increases the cartridge's adsorption capacity for condensate, further enhancing the leakage-proof effectiveness of the cartridge.

[0028] In a technical solution of the aerosol provision system, the centerlines of the first and the second air vent tube are non-coincident..

[0029] By setting the centerlines of the first and the second air vent tube non-coincident, the airflow path between the atomization chamber and the first leakage-proof chamber is offset from the airflow path between the first leakage-proof chamber and the second leakage-proof chamber. This increases the path for condensate to travel from the atomization chamber through the first leakage-proof chamber to the second leakage-proof chamber. Consequently, condensate is absorbed as much as possible by the first leakage-proof unit and the second leakage-proof unit, enhancing the leakage-proof effectiveness.

[0030] In a technical solution of the aerosol provision system, a top face of the second air vent tube is higher than a top face of the second collecting groove.

[0031] By positioning the top surface of the second air vent tube higher than the top surface of the second collecting groove, it helps prevent condensate in the second collecting groove from leaking through the second air vent tube to the area beneath the second holder.

[0032] In a technical solution of the aerosol provision system, there are multiple second collecting grooves.

[0033] In a technical solution of the aerosol provision system, the multiple second collecting grooves are not in communication with each other.

[0034] In a technical solution of the aerosol provision system, the multiple second collecting grooves are in fluid communication with each other and adjacent second collecting grooves are arranged at an angle to each other.

[0035] In a technical solution of the aerosol provision system, the width of a groove opening of the second collecting groove is greater than the width of a groove bottom of the second collecting groove.

[0036] By configuring the second collecting groove with a width at the mouth greater than the width at the bottom, it facilitates the entry of condensate into the second collecting groove.

[0037] In a technical solution of the aerosol provision system, the second collecting groove is a capillary groove.

[0038] In a technical solution of the aerosol provision system, the second holder is opened with a first electrode hole configured for an electrode to pass through, an edge of the first electrode hole abuts a bottom of the first holder. By aligning the edge of the first electrode hole with the bottom of the first holder, it helps prevent contamination of the electrode by condensate and other fluids. Simultaneously, it also avoids the flow of condensate and other fluids through the electrode hole to reach the battery component, preventing potential damage to the battery component.

[0039] In a technical solution of the aerosol provision system, the second holder is a sealing member, and the second holder seals the bottom space of the first holder.

[0040] By configuring the second holder as a sealing member, it helps prevent condensate from leaking out of the opening of the second leakage-proof chamber when there is an excess of condensate within the second leakage-proof chamber.

[0041] In a technical solution of the aerosol provision system, the second holder is covered on one end of the first holder away from the first leakage-proof chamber, and is in interference assembly with the first holder.

[0042] By setting the second holder in an interference fit assembly with the first holder, it enhances the sealing effectiveness.

[0043] In the second aspect, this application discloses an aerosol provision system. The system comprises a cartridge, a battery storage compartment, and a third leakage-proof unit located at the top of the battery containing chamber, as described in any one of the first aspects, and the third leakage-proof unit comprises: a third leakage-proof chamber, in fluid communication with the second leakage-proof chamber through the second air vent tube; a third holder, having a third bottom face forming a bottom wall of the third leakageproof chamber; a third collecting groove, arranged on the third bottom face, and extending along the transverse direction of the cartridge.

[0044] By placing the third leakage-proof unit at the top of the battery containing chamber, it increases the aerosol system's adsorption capacity for condensate, further enhancing the system's leakage-proof effectiveness. This helps prevent condensate from causing damage to the battery components.

[0045] In a technical solution of the aerosol provision system, there are multiple third collecting grooves.

[0046] In a technical solution of the aerosol provision system, the width of a groove opening of the third collecting groove is greater than the width of a groove bottom of the third collecting groove.

[0047] By configuring the third collecting groove with a width at the mouth greater than the width at the bottom, it facilitates the entry of condensate into the third collecting groove.

[0048] In a technical solution of the aerosol provision system, the third leakage-proof chamber comprises a first cavity and a second cavity that are in fluid communication with each other, the first cavity is located on the top of the third holder, and the second cavity extends in a direction from the top of the third holder to the battery containing chamber.

[0049] In a technical solution of the aerosol provision system, the third bottom face comprises a first portion forming a bottom wall of the first cavity and a second portion forming a bottom wall of the second cavity, and the third collecting groove extends along the transverse direction of the system on the first portion and the second portion.

[0050] In a technical solution of the aerosol provision system, the third holder further comprises a second circumferential wall forming the second cavity, the third leakage-proof unit further comprises a fourth collecting groove, and the fourth collecting groove is arranged on the second circumferential wall, and extends along the longitudinal direction of the system.

[0051] By setting the fourth collecting groove on the circumferential wall of the third holder, it further increases the aerosol system's adsorption capacity for condensate, enhancing the system's leakage-proof effectiveness. This helps prevent condensate from causing damage to the battery components.

[0052] In a technical solution of the aerosol provision system, the third holder is further formed with a function chamber for containing a control device; in the transverse direction of the system, the projection of the second cavity is overlapped with that of the function chamber.

[0053] In a technical solution of the aerosol provision system, the control device comprises an air flow sensor, a side wall of the second circumferential wall near the function chamber is opened with a through hole, the air flow sensor is arranged at one end of the through hole away from the second cavity, the second cavity is in fluid communication with the air flow sensor through the through hole, such that the second cavity is formed as a negative pressure chamber.

[0054] By configuring the second cavity to form a negative pressure chamber, it allows the third holder to not only achieve the leakage-proof function but also serve the function of a negative pressure chamber.

[0055] In a technical solution of the aerosol provision system, the through hole has a predetermined distance from the bottom wall of the second cavity.

[0056] By setting a through hole with a predetermined distance from the bottom wall of the second cavity, it prevents condensate from the bottom wall of the second cavity from entering the through hole and causing damage to the airflow sensor.

[0057] In a technical solution of the aerosol provision system, the through hole is provided with a one-way valve or a waterproof breathable membrane therein.

[0058] Setting a one-way valve or a waterproof breathable membrane in the through hole further helps prevent condensate from the bottom wall of the second cavity entering the through hole and causing damage to the airflow sensor. In one or more embodiments of the present invention, at least one of the following beneficial effects is achieved:

[0059] In the technical solution of this invention, at least one first leakage-proof unit is set in the cartridge of the aerosol provision system, and the first leakage-proof unit comprises a first leakage-proof chamber, a first holder, and a liquid absorbent member. The first leakage-proof chamber is configured adjacent to the atomization chamber and positioned upstream along the airflow direction, with the first holder configured to have a first bottom face forming the bottom of the first leakage-proof chamber and a first air vent tube extending from the first bottom face into the first leakage-proof chamber. The liquid absorbent member is configured within the first leakage-proof chamber and has a passing hole. The passing hole is configured to allow the first air vent tube to pass through, with the top surface of the passing hole not lower than the top surface of the first air vent tube. In the embodiments of this application, by setting the first leakage-proof chamber upstream along the airflow direction from the atomization chamber and placing the liquid absorbent member within the first leakage-proof chamber to absorb condensate, it achieves several beneficial effects. On one hand, it prevents the condensate from accumulating in the atomization chamber, avoiding the inhalation of condensate by users along with the aerosol during puffing, thus preserving the user's puffing experience. On the other hand, it prevents condensate from coming into contact with components such as the battery, thereby avoiding damage to components like the battery.

[0060] Additional aspects and advantages of the invention will be partly given in the following description, will become apparent from the following description, or will be learned through the practice of the invention.

[0061] Description of Drawing

[0062] Referring to the accompanying drawings, the disclosed content of the present invention will become more understandable. It is easily understood by those skilled in the art that these drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. Moreover, similar numbers in the figures are used to represent similar components, among which:

[0063] Figure 1 is a three-dimensional schematic diagram of the cartridge of the aerosol provision system described in embodiment one of this application.

[0064] Figure 2 is a sectional schematic diagram of the cartridge of the aerosol provision system described in embodiment one of this application.

[0065] Figure 3 is an exploded diagram of the cartridge of the aerosol provision system described in embodiment one of this application.

[0066] Figure 4 is a schematic diagram of the structure of the first leakage-proof unit described in embodiment one of this application. Figure 5 is a schematic diagram of the structure of the first holder described in embodiment one of this application.

[0067] Figure 6 is a schematic diagram of the structure of the second leakage-proof unit described in embodiment one of this application.

[0068] Figure 7 is a schematic diagram of the liquid storage compartment structure described in embodiment one of this application.

[0069] Figure 8 is a schematic diagram of the structure of the atomization core described in embodiment one of this application.

[0070] Figure 9 is a schematic diagram of the structure of the aerosol provision system described in embodiment two of this application.

[0071] Figure 10 is a sectional schematic diagram of the aerosol provision system described in embodiment two of this application.

[0072] Figure 11 is a schematic diagram of the structure of the third leakage-proof unit described in embodiment two of this application.

[0073] Description of Drawing Label:

[0074] 100, Cartridge Shell; 200, Mouthpiece Component; 300, Liquid Storage Compartment; 310, Liquid Storage Chamber; 320, Outer Wall; 400, Atomization Core; 410, Atomization Chamber; 420, First Fixing Component; 430, Second Fixing Component; 440, Airway Silicone Component; 451 , Heating Body; 452, Oil Guide Body; 500, First Leakage-proof Unit; 510, First Leakage-proof Chamber; 520, First Holder; 521 , First Bottom Face; 522, First air vent tube; 523, First Circumferential Wall; 524, Second Electrode Hole; 525, intercepting air hole; 526, Connecting Buckle; 530, Liquid Absorbent Member; 531 , Passing Hole; 540, Sealing Member; 541 , Opening; 542, Connecting Hole; 543, Third Electrode Hole; 600, Second Leakage-proof Unit; 610, Second Leakage-proof Chamber; 620, Second Holder; 621 , Second Bottom Face; 622, Second air vent tube ; 623, First Electrode Hole; 630, Second Collecting Groove; 700, Third leakage-proof unit; 710, Third Leakage-proof Chamber; 711 , First Cavity; 712, Second Cavity; 720, Third Holder; 721 , Third Bottom Face; 722, Third Electrode Hole; 723, First Part; 724, Second Part; 725, Second Circumferential Wall; 726, Functional Cavity; 727, Through Hole; 730, Third Collecting Groove; 740, Fourth Collecting Groove; 800, Battery Component; 900, Outer Shell; 1000, Cover Body.

[0075] Detailed description

[0076] The following describes some embodiments of the present invention with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principles of the present invention and are not intended to limit the scope of protection of the present invention. As used herein, the term “delivery system” is intended to encompass systems that deliver at least one substance to a user in use, and includes: combustible aerosol provision systems, such as cigarettes, cigarillos, cigars, and tobacco for pipes or for roll-your-own or for make-your-own cigarettes (whether based on tobacco, tobacco derivatives, expanded tobacco, reconstituted tobacco, tobacco substitutes or other smokable material); non-combustible aerosol provision systems that release compounds from an aerosolgenerating material without combusting the aerosol-generating material, such as electronic cigarettes, tobacco heating products, and hybrid systems to generate aerosol using a combination of aerosol-generating materials; and aerosol-free delivery systems that deliver the at least one substance to a user orally, nasally, transdermally or in another way without forming an aerosol, including but not limited to, lozenges, gums, patches, articles comprising inhalable powders, and oral products such as oral tobacco which includes snus or moist snuff, wherein the at least one substance may or may not comprise nicotine.

[0077] According to the present disclosure, a “combustible” aerosol provision system is one where a constituent aerosol-generating material of the aerosol provision system (or component thereof) is combusted or burned during use in order to facilitate delivery of at least one substance to a user.

[0078] In some embodiments, the delivery system is a combustible aerosol provision system, such as a system selected from the group consisting of a cigarette, a cigarillo and a cigar.

[0079] In some embodiments, the disclosure relates to a component for use in a combustible aerosol provision system, such as a filter, a filter rod, a filter segment, a tobacco rod, a spill, an aerosol-modifying agent release component such as a capsule, a thread, or a bead, or a paper such as a plug wrap, a tipping paper or a cigarette paper.

[0080] According to the present disclosure, a “non-combustible” aerosol provision system is one where a constituent aerosol-generating material of the aerosol provision system (or component thereof) is not combusted or burned in order to facilitate delivery of at least one substance to a user.

[0081] In some embodiments, the delivery system is a non-combustible aerosol provision system, such as a powered non-combustible aerosol provision system.

[0082] In some embodiments, the non-combustible aerosol provision system is an electronic cigarette, also known as a vaping device or electronic nicotine delivery system (END), although it is noted that the presence of nicotine in the aerosol-generating material is not a requirement. In some embodiments, the non-combustible aerosol provision system is an aerosolgenerating material heating system, also known as a heat-not-burn system. An example of such a system is a tobacco heating system.

[0083] In some embodiments, the non-combustible aerosol provision system is a hybrid system to generate aerosol using a combination of aerosol-generating materials, one or a plurality of which may be heated. Each of the aerosol-generating materials may be, for example, in the form of a solid, liquid or gel and may or may not contain nicotine. In some embodiments, the hybrid system comprises a liquid or gel aerosol-generating material and a solid aerosol-generating material. The solid aerosol-generating material may comprise, for example, tobacco or a non-tobacco product.

[0084] Typically, the non-combustible aerosol provision system may comprise a non- combustible aerosol provision device and a consumable for use with the non-combustible aerosol provision device.

[0085] In some embodiments, the disclosure relates to consumables comprising aerosolgenerating material and configured to be used with non-combustible aerosol provision devices. These consumables are sometimes referred to as articles throughout the disclosure.

[0086] In some embodiments, the non-combustible aerosol provision system, such as a non- combustible aerosol provision device thereof, may comprise a power source and a controller. The power source may, for example, be an electric power source or an exothermic power source. In some embodiments, the exothermic power source comprises a carbon substrate which may be energised so as to distribute power in the form of heat to an aerosol-generating material or to a heat transfer material in proximity to the exothermic power source.

[0087] In some embodiments, the non-combustible aerosol provision system may comprise an area for receiving the consumable, an aerosol generator, an aerosol generation area, a housing, a mouthpiece, a filter and / or an aerosol-modifying agent.

[0088] In some embodiments, the consumable for use with the non-combustible aerosol provision device may comprise aerosol-generating material, an aerosol-generating material storage area, an aerosol-generating material transfer component, an aerosol generator, an aerosol generation area, a housing, a wrapper, a filter, a mouthpiece, and / or an aerosolmodifying agent.

[0089] In some embodiments, the delivery system is an aerosol-free delivery system that delivers at least one substance to a user orally, nasally, transdermally or in another way without forming an aerosol, including but not limited to, lozenges, gums, patches, articles comprising inhalable powders, and oral products such as oral tobacco which includes snus or moist snuff, wherein the at least one substance may or may not comprise nicotine.

[0090] In some embodiments, the substance to be delivered may be an aerosol-generating material or a material that is not intended to be aerosolised. As appropriate, either material may comprise one or more active constituents, one or more flavours, one or more aerosolformer materials, and / or one or more other functional materials.

[0091] In some embodiments, the substance to be delivered comprises an active substance. The active substance as used herein may be a physiologically active material, which is a material intended to achieve or enhance a physiological response. The active substance may for example be selected from nutraceuticals, nootropics, psychoactives. The active substance may be naturally occurring or synthetically obtained. The active substance may comprise for example nicotine, caffeine, taurine, theine, vitamins such as B6 or B12 or C, melatonin, cannabinoids, or constituents, derivatives, or combinations thereof. The active substance may comprise one or more constituents, derivatives or extracts of tobacco, cannabis or another botanical.

[0092] In some embodiments, the active substance comprises nicotine. In some embodiments, the active substance comprises caffeine, melatonin or vitamin B12.

[0093] As noted herein, the active substance may comprise one or more constituents, derivatives or extracts of cannabis, such as one or more cannabinoids or terpenes.

[0094] As noted herein, the active substance may comprise or be derived from one or more botanicals or constituents, derivatives or extracts thereof. As used herein, the term "botanical" includes any material derived from plants including, but not limited to, extracts, leaves, bark, fibres, stems, roots, seeds, flowers, fruits, pollen, husk, shells or the like. Alternatively, the material may comprise an active compound naturally existing in a botanical, obtained synthetically. The material may be in the form of liquid, gas, solid, powder, dust, crushed particles, granules, pellets, shreds, strips, sheets, or the like.

[0095] Example botanicals are tobacco, eucalyptus, star anise, hemp, cocoa, cannabis, fennel, lemongrass, peppermint, spearmint, rooibos, chamomile, flax, ginger, ginkgo biloba, hazel, hibiscus, laurel, licorice (liquorice), matcha, mate, orange skin, papaya, rose, sage, tea such as green tea or black tea, thyme, clove, cinnamon, coffee, aniseed (anise), basil, bay leaves, cardamom, coriander, cumin, nutmeg, oregano, paprika, rosemary, saffron, lavender, lemon peel, mint, juniper, elderflower, vanilla, Wintergreen, beefsteak plant, curcuma, turmeric, sandalwood, cilantro, bergamot, orange blossom, myrtle, cassis, valerian, pimento, mace, damien, marjoram, olive, lemon balm, lemon basil, chive, carvi, verbena, tarragon, geranium, mulberry, ginseng, theanine, theacrine, maca, ashwagandha, damiana, guarana, chlorophyll, baobab or any combination thereof. The mint may be chosen from the following mint varieties: Mentha Arventis, Mentha c.v., Mentha niliaca, Mentha piperita, Mentha piperita citrata c.v., Mentha piperita c.v, Mentha spicata crispa, Mentha cardifolia, Memtha longifolia, Mentha suaveolens variegata, Mentha pulegium, Mentha spicata c.v. and Mentha suaveolens.

[0096] In some embodiments, the active substance comprises or is derived from one or more botanicals or constituents, derivatives or extracts thereof and the botanical is tobacco. In some embodiments, the active substance comprises or derived from one or more botanicals or constituents, derivatives or extracts thereof and the botanical is selected from eucalyptus, star anise, cocoa and hemp.

[0097] In some embodiments, the active substance comprises or derived from one or more botanicals or constituents, derivatives or extracts thereof and the botanical is selected from rooibos and fennel.

[0098] In some embodiments, the substance to be delivered comprises a flavour. As used herein, the terms "flavour" and "flavourant" refer to materials which, where local regulations permit, may be used to create a desired taste, aroma or other somatosensorial sensation in a product for adult consumers. They may include naturally occurring flavour materials, botanicals, extracts of botanicals, synthetically obtained materials, or combinations thereof (e.g., tobacco, cannabis, licorice (liquorice), hydrangea, eugenol, Japanese white bark magnolia leaf, chamomile, fenugreek, clove, maple, matcha, menthol, Japanese mint, aniseed (anise), cinnamon, turmeric, Indian spices, Asian spices, herb, Wintergreen, cherry, berry, red berry, cranberry, peach, apple, orange, mango, clementine, lemon, lime, tropical fruit, papaya, rhubarb, grape, durian, dragon fruit, cucumber, blueberry, mulberry, citrus fruits, Drambuie, bourbon, scotch, whiskey, gin, tequila, rum, spearmint, peppermint, lavender, aloe vera, cardamom, celery, cascarilla, nutmeg, sandalwood, bergamot, geranium, khat, naswar, betel, shisha, pine, honey essence, rose oil, vanilla, lemon oil, orange oil, orange blossom, cherry blossom, cassia, caraway, cognac, jasmine, ylang-ylang, sage, fennel, wasabi, piment, ginger, coriander, coffee, hemp, a mint oil from any species of the genus Mentha, eucalyptus, star anise, cocoa, lemongrass, rooibos, flax, ginkgo biloba, hazel, hibiscus, laurel, mate, orange skin, rose, tea such as green tea or black tea, thyme, juniper, elderflower, basil, bay leaves, cumin, oregano, paprika, rosemary, saffron, lemon peel, mint, beefsteak plant, curcuma, cilantro, myrtle, cassis, valerian, pimento, mace, damien, marjoram, olive, lemon balm, lemon basil, chive, carvi, verbena, tarragon, limonene, thymol, camphene), flavour enhancers, bitterness receptor site blockers, sensorial receptor site activators or stimulators, sugars and / or sugar substitutes (e.g., sucralose, acesulfame potassium, aspartame, saccharine, cyclamates, lactose, sucrose, glucose, fructose, sorbitol, or mannitol), and other additives such as charcoal, chlorophyll, minerals, botanicals, or breath freshening agents. They may be imitation, synthetic or natural ingredients or blends thereof. They may be in any suitable form, for example, liquid such as an oil, solid such as a powder, or gas.

[0099] In some embodiments, the flavour comprises menthol, spearmint and / or peppermint. In some embodiments, the flavour comprises flavour components of cucumber, blueberry, citrus fruits and / or redberry. In some embodiments, the flavour comprises eugenol. In some embodiments, the flavour comprises flavour components extracted from tobacco. In some embodiments, the flavour comprises flavour components extracted from cannabis. In some embodiments, the flavour may comprise a sensate, which is intended to achieve a somatosensorial sensation which are usually chemically induced and perceived by the stimulation of the fifth cranial nerve (trigeminal nerve), in addition to or in place of aroma or taste nerves, and these may include agents providing heating, cooling, tingling, numbing effect. A suitable heat effect agent may be, but is not limited to, vanillyl ethyl ether and a suitable cooling agent may be, but not limited to eucolyptol, WS-3.

[0100] Aerosol-generating material is a material that is capable of generating aerosol, for example when heated, irradiated or energized in any other way. Aerosol-generating material may, for example, be in the form of a solid, liquid or gel which may or may not contain an active substance and / or flavourants. In some embodiments, the aerosol-generating material may comprise an “amorphous solid”, which may alternatively be referred to as a “monolithic solid” (i.e. non-fibrous). In some embodiments, the amorphous solid may be a dried gel. The amorphous solid is a solid material that may retain some fluid, such as liquid, within it. In some embodiments, the aerosol-generating material may for example comprise from about 50wt%, 60wt% or 70wt% of amorphous solid, to about 90wt%, 95wt% or 100wt% of amorphous solid.

[0101] The aerosol-generating material may comprise one or more active substances and / or flavours, one or more aerosol-former materials, and optionally one or more other functional material.

[0102] The aerosol-former material may comprise one or more constituents capable of forming an aerosol. In some embodiments, the aerosol-former material may comprise one or more of glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1 ,3-butylene glycol, erythritol, meso-Erythritol, ethyl vanillate, ethyl laurate, a diethyl suberate, triethyl citrate, triacetin, a diacetin mixture, benzyl benzoate, benzyl phenyl acetate, tributyrin, lauryl acetate, lauric acid, myristic acid, and propylene carbonate.

[0103] The one or more other functional materials may comprise one or more of pH regulators, colouring agents, preservatives, binders, fillers, stabilizers, and / or antioxidants.

[0104] The material may be present on or in a support, to form a substrate. The support may, for example, be or comprise paper, card, paperboard, cardboard, reconstituted material, a plastics material, a ceramic material, a composite material, glass, a metal, or a metal alloy. In some embodiments, the support comprises a susceptor. In some embodiments, the susceptor is embedded within the material. In some alternative embodiments, the susceptor is on one or either side of the material.

[0105] A consumable is an article comprising or consisting of aerosol-generating material, part or all of which is intended to be consumed during use by a user. A consumable may comprise one or more other components, such as an aerosol-generating material storage area, an aerosol-generating material transfer component, an aerosol generation area, a housing, a wrapper, a mouthpiece, a filter and / or an aerosol-modifying agent. A consumable may also comprise an aerosol generator, such as a heater, that emits heat to cause the aerosol-generating material to generate aerosol in use. The heater may, for example, comprise combustible material, a material heatable by electrical conduction, or a susceptor.

[0106] A susceptor is a material that is heatable by penetration with a varying magnetic field, such as an alternating magnetic field. The susceptor may be an electrically-conductive material, so that penetration thereof with a varying magnetic field causes induction heating of the heating material. The heating material may be magnetic material, so that penetration thereof with a varying magnetic field causes magnetic hysteresis heating of the heating material. The susceptor may be both electrically-conductive and magnetic, so that the susceptor is heatable by both heating mechanisms. The device that is configured to generate the varying magnetic field is referred to as a magnetic field generator, herein.

[0107] An aerosol-modifying agent is a substance, typically located downstream of the aerosol generation area, that is configured to modify the aerosol generated, for example by changing the taste, flavour, acidity or another characteristic of the aerosol. The aerosolmodifying agent may be provided in an aerosol-modifying agent release component, that is operable to selectively release the aerosol-modifying agent. The aerosol-modifying agent may, for example, be an additive or a sorbent. The aerosol-modifying agent may, for example, comprise one or more of a flavourant, a colourant, water, and a carbon adsorbent. The aerosol-modifying agent may, for example, be a solid, a liquid, or a gel. The aerosol-modifying agent may be in powder, thread or granule form. The aerosol-modifying agent may be free from filtration material.

[0108] An aerosol generator is an apparatus configured to cause aerosol to be generated from the aerosol-generating material. In some embodiments, the aerosol generator is a heater configured to subject the aerosol-generating material to heat energy, so as to release one or more volatiles from the aerosol-generating material to form an aerosol. In some embodiments, the aerosol generator is configured to cause an aerosol to be generated from the aerosolgenerating material without heating. For example, the aerosol generator may be configured to subject the aerosol-generating material to one or more of vibration, increased pressure, or electrostatic energy.

[0109] The present disclosure relates to aerosol delivery systems (which may also be referred to as vapour delivery systems) such as nebulisers or e-cigarettes. Throughout the following description the term "e-cigarette" or "electronic cigarette" may sometimes be used, but it will be appreciated this term may be used interchangeably with aerosol delivery system I device and electronic aerosol delivery system I device. Furthermore, and as is common in the technical field, the terms "aerosol" and "vapour", and related terms such as "vaporise", "volatilise" and "aerosolise", may generally be used interchangeably. Aerosol delivery systems (e-cigarettes) often, though not always, comprise a modular assembly comprising a reusable device part and a replaceable (disposable / consumable) cartridge part. Often, the replaceable cartridge part will comprise the aerosol-generating material and the vaporiser (which may collectively be called a “cartomizer”) and the reusable device part will comprise the power provision (e.g. rechargeable power source) and control circuitry. It will be appreciated these different parts may comprise further elements depending on functionality. For example, the reusable device part will often comprise a user interface for receiving user input and displaying operating status characteristics, and the replaceable cartridge device part in some cases comprises a temperature sensor for helping to control temperature. Cartridges are electrically and mechanically coupled to the control unit for use, for example using a screw thread, bayonet, or magnetic coupling with appropriately arranged electrical contacts. When the aerosol-generating material in a cartridge is exhausted, or the user wishes to switch to a different cartridge having a different aerosol-generating material, the cartridge may be removed from the reusable part and a replacement cartridge attached in its place. Systems and devices conforming to this type of two-part modular configuration may generally be referred to as two-part systems / devices.

[0110] It is common for electronic cigarettes to have a generally elongate shape. For the sake of providing a concrete example, certain embodiments of the disclosure will be taken to comprise this kind of generally elongate two-part system employing disposable cartridges. However, it will be appreciated that the underlying principles described herein may equally be adopted for different configurations, for example single-part systems or modular systems comprising more than two parts, refillable devices and single-use disposables, as well as other overall shapes, for example based on so-called box-mod high performance devices that typically have a boxier shape. More generally, it will be appreciated certain embodiments of the disclosure are based on aerosol delivery systems which are operationally configured to provide functionality in accordance with the principles described herein and the constructional aspects of systems configured to provide the functionality in accordance with certain embodiments of the disclosure is not of primary significance.

[0111] As mentioned in the technical background, if condensate is not properly collected, on the one hand, it can easily accumulate in the atomization chamber, leading to the inhalation of condensate by users along with aerosol during puffing, affecting the user's puffing experience. On the other hand, if condensate comes into contact with components such as the battery, it can cause damage to these components. Based on this, this application discloses a new cartridge for an aerosol provision system, aiming to prevent the inhalation of condensate by users during puffing, thereby preserving the user's puffing experience. Simultaneously, it also serves to prevent condensate from coming into contact with components such as the battery, thereby avoiding damage to these components. It is noted that the aerosol provision system in this embodiment can be either a boxtype aerosol provision system or a pen-type aerosol provision system. This application does not specifically limit it. The following description will focus on a pen-type aerosol provision system as an example to emphasize the detachable structure of the aerosol provision system.

[0112] With reference to the accompanying drawings, the specific details of the embodiments of this application will be described.

[0113] Embodiment one

[0114] Figure 1 is a three-dimensional schematic diagram of the cartridge of the aerosol provision system described in the embodiment this application, while Figure 2 is a sectional schematic diagram of the cartridge of the aerosol provision system described in the embodiment this application. Figure 3 is an exploded diagram of the cartridge of the aerosol provision system described in the embodiment this application. Referring to Figures 1 -3, the general configuration of the aerosol provision system's cartridge comprises a cartridge shell 100, a mouthpiece component 200, a liquid storage compartment 300, an atomization core 400, a first leakage-proof unit 500, and a second leakage-proof unit 600. Inside the cartridge shell 100, there is a containment space and an airflow passage (not shown in the figures). Some of the containment space constitutes the atomization chamber 410. Components such as the liquid storage compartment 300, atomization core 400, first leakage-proof unit 500, and second leakage-proof unit 600 are at least partially positioned within the containment space. It should be understood that the aerosol provision system includes an air inlet, which can be located on the cartridge or the holder. The air inlet connects the airflow passage (not shown in the figures) with the external atmosphere of the cartridge's aerosol provision system. The atomization chamber 410 is fluidly connected to the airflow passage, the air inlet, and the outlet of the mouthpiece component 200, allowing aerosol to be drawn by the user from the outlet of the mouthpiece component 200. The first leakage-proof unit 500 and the second leakage-proof unit 600 are sequentially positioned along the airflow direction upstream of the atomization chamber 410. They adsorb condensate, preventing its accumulation in the atomization chamber. This prevents condensate from being drawn by the user along with the aerosol during suction, thus preserving the user's suction experience. Additionally, it prevents condensate from contacting components such as the battery, avoiding damage to these components.

[0115] It can be understood that, in the embodiment of this application, the airflow direction refers to the direction in which the external atmosphere enters the airflow passage through the air inlet, sequentially flowing along the second leakage-proof unit 600, the first leakageproof unit 500, the atomization chamber 410, and finally reaching the outlet of the mouthpiece component 200. Figure 4 is a schematic diagram of the structure of the first leakage-proof unit described in the embodiment of this application. As shown in Figure 4, the first leakage-proof unit 500 in the embodiment of this application comprises a first leakage-proof chamber 510, a first holder 520, and a liquid-absorbent member 530. The first leakage-proof chamber 510 is configured to be adjacent to the atomization chamber 410 and is positioned upstream along the airflow direction relative to the atomization chamber 410. The first holder 520 is configured with a first bottom face 521 forming the bottom of the first leakage-proof chamber 510 and a first air vent tube 522 extending from the first bottom face 521 into the first leakage-proof chamber 510. The liquid-absorbent member 530 is positioned within the first leakage-proof chamber 510 and has a passing hole 531 , with the top surface of the passing hole 531 not lower than the top surface of the first air vent tube 522. It can be understood that when aerosol generated in the atomization chamber encounters cold and produces condensate, the liquid-absorbent member 530 in the first leakage-proof chamber 510 is set to absorb the condensate. This prevents the condensate from accumulating in the atomization chamber, avoiding the inhalation of condensate by the user along with the aerosol during suction, which could affect the user's suction experience. Additionally, it prevents the condensate from coming into contact with components such as the battery, thereby avoiding damage to these components. Setting the top surface of the passing hole 531 not lower than the top surface of the first air vent tube 522 allows the liquid-absorbent member to absorb as much condensate as possible and reduce the amount of condensate falling down through the first air vent tube 522.

[0116] Further referring to Figure 4, the first holder 520, as shown, further comprises a first circumferential wall 523 surrounding the circumferential surface of the first leakage-proof chamber 510 and a second electrode hole 524 opened on the first bottom face 521. The second electrode hole 524 is used to allow electrodes to pass through. It can be understood that there are two second electrode holes 524, each allowing a positive electrode and a negative electrode to pass through.

[0117] Figure 5 is a schematic diagram of the structure of the first holder described in the embodiment this application. As shown in Figure 5, as a preferable embodiment, the first holder 520 further comprises intercepting air holes 525. The intercepting air holes 525 are opened at one end of the first holder 520 away from the first leakage-proof chamber 510. The intercepting air holes 525 form part of the airflow passage, and the airflow volume in the airflow passage is minimized at the position of the intercepting air holes 525. In a specific implementation, the axial direction of the intercepting air holes 525 is set at an angle to the length direction of the cartridge. Preferably, the axial direction of the intercepting air holes 525 is perpendicular to the length direction of the cartridge. The number of intercepting air holes 525 comprises at least two, and at least two intercepting air holes are circumferentially spaced on the first holder 520. The intercepting air holes 525 extend in a direction perpendicular to the length direction of the cartridge, and there is a gap between the surface of the intercepting air holes 525 facing the side of the cartridge shell and the cartridge shell, allowing gas to pass through.

[0118] To allow the liquid-absorbent member 530 to absorb condensate as much as possible and prevent condensate accumulation on the side wall of the first leakage-proof chamber 510, as a preferred embodiment, in this embodiment of the present application, the height of the liquid-absorbent member 530 in the depth direction of the first leakage-proof chamber 510 is not less than the depth of the first leakage-proof chamber 510. Preferably, the top surface of the liquid-absorbent member 530 is flush with the top of the first leakage-proof chamber 510. Furthermore, it is preferably set that the liquid-absorbent member 530 fills the first leakageproof chamber 510, ensuring that the liquid-absorbent member can absorb condensate as much as possible and prevent condensate accumulation on the side wall of the first leakageproof chamber. It should be noted that the specific material of the liquid-absorbent member is not limited in this embodiment. As long as it can absorb liquid without violating the conceptual framework of the present invention, any material capable of adsorbing liquid can be used as the liquid-absorbent member in this application. As an illustrative example, rather than a restrictive one, the liquid-absorbent member in this embodiment can be made of materials such as cotton.

[0119] Further referring to Figure 4, the first leakage-proof unit in this embodiment of the present application also comprises a sealing member 540. The sealing member 540 is located at the top of the first holder 520 and covers the opening of the first leakage-proof chamber 510. The sealing member 540 has an opening 541 , and the opening 541 communicates the first leakage-proof chamber 510 with the atomization chamber 410. In specific implementations, the sealing member 540 and the first holder 520 can be connected by a buckle, for example, a connecting buckle 526 is set on the first holder 520, and a connecting hole 542 is provided on the sealing member 540. The connection between the sealing member 540 and the first holder 520 is achieved through the connecting buckle 526 and the connecting hole 542. By placing the sealing member at the top of the first holder, it can prevent condensate from leaking out of the opening of the first leakage-proof chamber when there is excessive condensate in the first leakage-proof chamber.

[0120] Understandably, to allow the passage of electrodes, the sealing member 540 can have a third electrode hole 543. The third electrode hole 543 comprises two, respectively allowing the positive electrode and negative electrode to pass through.

[0121] As a preferable embodiment, the first leakage-proof unit 500 in the embodiment of this application further comprises a first collecting groove (not shown in the figure). The first collecting groove (not shown in the figure) is positioned on the bottom wall of the first leakageproof chamber 510 and extends along the transverse direction of the cartridge shell. By setting the first collecting groove on the bottom wall of the first leakage-proof chamber, it is possible to utilize the first collecting groove to adsorb a portion of the condensate, further enhancing the leakage-proof effect.

[0122] Preferably, the width of the opening of the first collecting groove is greater than the width of the bottom of the first collecting groove. This facilitates the entry of condensate into the first collecting groove.

[0123] Preferably, the number of the first collecting groove can be multiple.

[0124] Preferably, the first collecting groove is a capillary groove. It can be understood that capillary groove, due to its inherent characteristics, has a certain adsorption capacity for liquids. Using the capillary groove as the first collecting groove can enhance its ability to adsorb condensate.

[0125] The second leakage-proof unit 600 is positioned upstream along the airflow direction relative to the first leakage-proof unit 500. Referring to Figure 6, in the embodiment of this application, the second leakage-proof unit 600 generally comprises a second leakage-proof chamber 610, a second holder 620, and a second collecting groove 630. The second leakageproof chamber 610 is configured to be in fluid communication with the first leakage-proof chamber 510 through the first air vent tube 522, allowing fluid containing condensate to enter the second leakage-proof chamber 610 from the first leakage-proof chamber 510 through the first air vent tube 522. The second holder 620 is configured to have a second bottom face 621 forming the bottom of the second leakage-proof chamber 610 and a second air vent tube 622 extending from the second bottom face 621 into the second leakage-proof chamber 610. The second collecting groove 630 is configured to be located on the second bottom face 621 and extend laterally along the cartridge. By placing the second leakage-proof unit upstream along the airflow direction from the first leakage-proof unit, the second collecting groove 630 adsorbs condensate entering from the first leakage-proof chamber into the second leakage-proof chamber, increasing the absorption capacity of the cartridge for condensate and further improving the leakage-proof effect of the cartridge.

[0126] As a preferable embodiment, in the embodiment of this application, the centerline of the second air vent tube 622 is intentionally offset from the centerline of the first air vent tube 522. This configuration ensures that the airflow path between the atomization chamber and the first leakage-proof chamber is offset from the airflow path between the first leakage-proof chamber and the second leakage-proof chamber. The intentional offset increases the pathway for condensate to travel from the atomization chamber through the first leakage-proof chamber to the second leakage-proof chamber. This design maximizes the absorption of condensate by the first and second leakage-proof units, enhancing the leakage-proof effectiveness.

[0127] Preferably, the top surface of the second air vent tube 622 is positioned higher than the top surface of the second collecting groove 630. This arrangement aims to prevent condensate from the second collecting groove 630 leaking through the second air vent tube 622 and reaching below the second holder 620, thus avoiding contamination or damage to the components located underneath.

[0128] Preferably, the second collecting grooves 630 may be multiple in number.

[0129] In a specific embodiment, multiple second collecting grooves 630 are not interconnected.

[0130] In another specific embodiment, multiple second collecting grooves 630 are interconnected, and adjacent second collecting grooves 630 are set at an angle to increase the adsorption capacity for condensate in the second collecting grooves 630.

[0131] Preferably, the width of the opening of the second collecting groove 630 is greater than the width of the bottom of the second collecting groove 630, facilitating the entry of condensate into the second collecting groove.

[0132] Preferably, the second collecting grooves are capillary grooves. It can be understood that capillary grooves, due to their inherent characteristics, have a certain adsorption capacity for liquids. Using capillary grooves as the second collecting grooves can enhance their adsorption capacity for condensate.

[0133] It can be understood that, for the convenience of electrode penetration, the second holder 620 is also equipped with a first electrode hole 623. Preferably, the edge of the first electrode hole 623 abuts the bottom of the first holder 520. By setting the edge of the first electrode hole to abut the bottom of the first holder, contamination of electrodes by fluids such as condensate can be avoided. Additionally, it prevents fluids like condensate from flowing through the electrode hole to the battery component, preventing damage to the battery component.

[0134] As a preferable embodiment, in the embodiment of this application, the second holder 620 is designed as a sealing member and is used to seal the bottom space of the first holder 520. With this configuration, it not only prevents condensate from leaking out of the second leakage-proof chamber 610 when there is an excess amount but also forms a relatively sealed space at the bottom of the first holder 520. This facilitates minimizing fluid flow through the air cutoff hole, reducing fluid flux at the air cutoff hole in the airflow channel.

[0135] It can be understood that the second holder 620 is positioned to cover the end of the first holder 520 away from the first leakage-proof chamber 510. To enhance the sealing effectiveness, the second holder is set to have an interference fit with the first holder. As an illustrative example and not a limiting description, the second holder can be made of silicone material.

[0136] Figure 7 is a schematic diagram of the liquid storage compartment structure described in the embodiment of this application. Referring to Figure 7, the internal structure of the liquid storage compartment 300 forms a liquid storage chamber 310, which is intended to accommodate aerosol-generating materials such as e-liquid. Inside the atomization core 400, there is an atomization chamber 410 designed to accommodate the heating element. The atomization chamber 410 is in fluid communication with the liquid storage chamber 310 so that the aerosol-generating material in the liquid storage chamber 310 can enter the atomization chamber 410 and form aerosol after being heated by the heating element. As a preferable example, in the embodiment of this application, the liquid storage compartment 300 comprises an outer wall 320. The outer wall 320 of the liquid storage compartment 300 can be integrally formed with the cigarette shell 100, meaning that the outer wall 320 constitutes a part of the cigarette shell 100. Alternatively, the outer wall 320 and the cigarette shell 100 can be independent components. In a specific implementation, the outer wall 320 and the cigarette shell 100 are independent components, with the outer wall 320 covering the outside of the atomization core 400. The liquid storage chamber 310 is collectively surrounded by the outer wall 320 and a portion of the surface of the atomization core 400. Thus, along the height direction of the aerosol provision system, the liquid storage chamber 310 is positioned above the atomization core 400 and the atomization chamber 410.

[0137] Figure 8 is a schematic diagram of the structure of the atomization core described in the embodiment of this application. Referring to Figure 8, the atomization core comprises a heater, an atomization chamber for accommodating the heater, a first fixing component 420, a second fixing component 430 for securing the heater, and an airway silicone component 440. The heater and the airway silicone component 440 are both clamped between the first fixing component 420 and the second fixing component 430. The heater comprises stacked heating bodies 451 and oil guide bodies 452, with the heating bodies 451 positioned between the oil guide bodies 452 and the airflow channel. As an illustrative, non-limiting example, the heating bodies 451 have a mesh structure, with the mesh holes being circular or any polygonal shape. The heating bodies 451 have an atomization surface, and the atomization surface is parallel to the length direction of the system. The oil guide bodies 452 have a lower oil guiding rate on the side near the heating bodies 451 than on the side away from the heating bodies 451 , and the oil absorption rate on the side near the heating bodies 451 is higher than on the side away from the heating bodies 451 . This arrangement increases the oil guiding efficiency of the part of the oil guide body 452 near the heating bodies 451 , enhancing its oil guiding effectiveness, while the part away from the heating bodies 451 has a higher oil absorption rate, increasing the oil absorption at the heating bodies 451. The surface of the airway silicone component 440 is provided with multiple grooves to collect condensation formed after aerosol condensation in the atomization chamber, preventing leakage of condensate. Inside the airway silicone component 440, an airway is formed, with one end connected to the bottom space of the first holder, thereby communicating with the air inlet, and the other end connected to the internal airway of the cartridge, thus communicating with the outlet of the mouthpiece component.

[0138] In the embodiment of this application, there is also no specific limitation on the composition and material of the mouthpiece 200. Without violating the conceptual framework of the present invention, any known mouthpiece can be used in this application. For example, the mouthpiece 200 can be made of silicone material or composed of a cotton core with a waterproof layer covering the outside of the cotton core. Various other configurations are possible, and the examples provided are not exhaustive.

[0139] Embodiment Two

[0140] Corresponding to the above embodiment, the embodiment of this application discloses an aerosol provision system, as shown in Figures 9 and 10. It comprises the cartridge as described in embodiment one, a battery compartment (not shown in the figure), the third leakage-proof unit 700, battery component 800, and outer shell 900. The outer shell 900 forms an internal battery compartment, where the battery component 800 is placed. Additionally, the outer shell 900 internally forms a space to accommodate the third leakage-proof unit 700, allowing for the placement of the third leakage-proof unit 700. For details regarding the cartridge, please refer to the relevant content in embodiment one, which will not be repeated here.

[0141] It can be understood that the cartridge shell 100 and the outer shell 900 can be integrally moulded, meaning the cartridge shell 100 forms a part of the outer shell 900. Alternatively, they can be independently formed into two parts. Specific details are not provided here. In this exemplary embodiment, the cartridge shell 100 and the outer shell 900 are integrally moulded for illustration.

[0142] The third leakage-proof unit 700 is located at the top of the battery compartment and below the second leakage-proof unit. Referring to Figure 11 , in the embodiment of this application, the third leakage-proof unit 700 generally comprises a third leakage-proof chamber 710, a third holder 720, and a third collecting groove 730. The third leakage-proof chamber 710 is configured to be in fluid communication with the second leakage-proof chamber 610 through the second air vent tube 622, allowing fluid containing condensate to enter the third leakage-proof chamber 710 from the second leakage-proof chamber 610 through the second air vent tube 622. The third holder 720 is configured to have a third bottom face 721 that forms the bottom wall of the third leakage-proof chamber 710. The third collecting groove 730 is configured to be set on the third bottom face 721 and extend laterally along the system. By upstream placement of the third leakage-proof unit 700 along the airflow direction relative to the first and second leakage-proof units, the third collecting groove 730 can further adsorb condensate entering the third leakage-proof chamber 710 from the first and second leakage-proof chambers. This increases the system's adsorption capacity for condensate and further enhances the leak-proof effect of the system.

[0143] Preferably, the number of the third collecting grooves 730 can be multiple.

[0144] In a specific embodiment, the multiple third collecting grooves 730 are not interconnected.

[0145] In another specific embodiment, the multiple third collecting grooves 730 are interconnected, and adjacent third collecting grooves 730 are set at an angle to increase the adsorption capacity of the third collecting grooves 730 for condensate.

[0146] Preferably, the width of the slot opening of the third collecting groove 730 is greater than the width of the bottom of the third collecting groove 730, facilitating the entry of condensate into the third collecting groove.

[0147] Preferably, the third collecting groove 730 is a capillary groove. It can be understood that capillary grooves, due to their inherent characteristics, have a certain adsorption capacity for liquids. Using capillary grooves as the third collecting grooves can enhance their adsorption capacity for condensate.

[0148] It can be understood that, for the convenience of electrode passage, the third holder 720 is also equipped with a fourth electrode hole 722. Preferably, the top surface of the fourth electrode hole 722 on the third holder 720 is higher than the top surface of the third collecting groove 730. This is to prevent condensate from the third collecting groove 730 flowing into the fourth electrode hole 722, causing damage to the electrode and other components.

[0149] Referring to Figure 11 , as a preferable example, in the embodiment of this application, the third leakage-proof chamber 710 is composed of the first cavity 711 and the second cavity 712. The first cavity 711 and the second cavity 712 are interconnected, with the first cavity 711 located at the top of the third holder 720, and the second cavity 712 extending from the top of the third holder 720 towards the battery compartment. Further referring to Figure 11 , correspondingly, the third bottom face 721 is formed by the first part 723 and the second part 724. The first part 723 forms the bottom wall of the first cavity 711 , while the second part 724 forms the bottom wall of the second cavity 712. The third collecting groove 730 extends laterally along the system on both the first part 723 and the second part 724.

[0150] To further increase the adsorption capacity for condensate, as a preferable example, in the embodiment of this application, the third leakage-proof unit also comprises a fourth collecting groove 740. Specifically, the fourth collecting groove 740 is set on the second circumferential wall 725 of the third holder 720 and extends longitudinally along the system, where the second circumferential wall 725 forms the circumferential wall of the second cavity 712.

[0151] Preferably, the number of the fourth collecting grooves 740 can be multiple. In a specific embodiment, the multiple fourth collecting grooves 740 are not interconnected.

[0152] In another specific embodiment, the multiple fourth collecting grooves 740 are interconnected, and adjacent fourth collecting grooves 740 are set at an angle to increase the adsorption capacity of the fourth collecting grooves 740 for condensate.

[0153] Preferably, the width of the slot opening of the fourth collecting groove 740 is greater than the width of the bottom of the fourth collecting groove 740, facilitating the entry of condensate into the fourth collecting groove.

[0154] Preferably, the fourth collecting groove 740 is a capillary groove. It can be understood that capillary grooves, due to their inherent characteristics, have a certain adsorption capacity for liquids. Using capillary grooves as the fourth collecting grooves can enhance their adsorption capacity for condensate.

[0155] As a preferable example, in the embodiment of this application, the system also comprises a controller device (not shown in the figure). Preferably, the third holder 720 forms a functional cavity 726 for accommodating the controller device. Further referring to Figure 11 , in the lateral direction of the system, the projection of the first cavity 711 is overlapped with the functional cavity 726.

[0156] It can be understood that the controller device comprises at least an airflow sensor (not shown in the figure). Through-hole 727 is opened on the side wall of the second circumferential wall 725 near the functional cavity 726. The airflow sensor is located at one end of the through-hole 727 away from the second cavity 712, allowing the second cavity 712 to communicate with the airflow sensor through the through-hole 727. This arrangement makes the second cavity 712 function as a negative pressure chamber, and the relevant functions of the negative pressure chamber can be referred to in the prior art, which is not further elaborated here. In this embodiment, by setting the second cavity 712 as a negative pressure chamber, the third holder achieves both leak-proof function and negative pressure chamber function, thereby reducing the overall structure of the system.

[0157] As a preferable example, in the embodiment of this application, there is a predetermined distance between the through-hole and the bottom wall of the second cavity to prevent condensate from the bottom wall of the second cavity from entering the through-hole and causing damage to the airflow sensor. It can be understood that, within the permissible limits of product design, a greater distance between the through-hole and the bottom wall of the second cavity is preferable.

[0158] As a preferable example, in the embodiment of this application, a one-way valve or a waterproof breathable film can be installed in the through-hole to further prevent condensate from the bottom wall of the second cavity from entering the through-hole and causing damage to the airflow sensor. In the embodiment of this application, there is no specific limitation on the specific composition of the battery component 800. Any known battery component can be used in this embodiment without departing from the conceptualization of the present invention. For example, the battery component 800 may include components such as a battery core and a controller connected to the battery core, and so on. These details are not explicitly described here.

[0159] As a preferable example, in the embodiment of this application, the aerosol system also comprises packaging material and a cover body 1000. The packaging material covers the exterior of the outer shell 900 and the liquid storage compartment 300. The cover body 1000 is set on the end of the outer shell 900 away from the mouthpiece component 200.

[0160] The various embodiments in this specification are described progressively, and identical or similar parts among the embodiments can refer to each other. Each embodiment focuses on highlighting the differences from other embodiments. In particular, for systems or system embodiments, since they are fundamentally similar to method embodiments, the description is relatively concise, and relevant details can be referred to in the section explaining method embodiments. The described systems and system embodiments are illustrative. The units described as separate components may or may not be physically separated. The components displayed as units may or may not be physical units and can be located in one place or distributed across multiple network units. It is possible to select some or all modules based on actual needs to achieve the purposes of the present embodiment. Those skilled in the art can understand and implement this without creative effort.

[0161] In the description of this specification, the referential terminology "an embodiment," "some embodiments," "example," "specific example," or "some examples" means that specific features, structures, materials, or characteristics described in connection with the embodiment or example are comprised in at least one embodiment or example of the present invention. In this specification, the indicative expression of the above-mentioned terms does not necessarily refer to the same embodiment or example. Furthermore, the described specific features, structures, materials, or characteristics may be combined in any suitable way in any one or more embodiments or examples.

[0162] Moreover, the terms "first," "second," etc., are used merely for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the characteristics defined as "first," "second," etc., may explicitly or implicitly comprise at least one such characteristic. In the description of this invention, the term "multiple" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0163] In this invention, unless explicitly defined and limited, terms such as "mounting," "connecting," "connection," "fixing," etc., should be understood broadly. For instance, the connection can be a fixed connection or a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary medium, it can be the internal communication of two components or the interaction between two components, unless explicitly defined otherwise. Those skilled in the art can understand the specific meanings of these terms in the context of the invention based on the circumstances.

[0164] In this specification, the terms ‘top’ and ‘bottom’ generally relate to the relevant orientation of the referenced figure(s), which depict the components in a generally upright or vertical orientation (in some cases in perspective view), e.g. with mouthpiece 200 above liquid storage compartment 300. In some examples, e.g. as shown in figure 1 , the system is elongate in the upright or vertical orientation. In some examples, the terms ‘top’ and ‘bottom’ are more generally in the context of when the system is in a puffing orientation, i.e. an orientation suitable for or configured for puffing, which might be vertical (such as in figure 1) or substantially vertical (such as in figure 2). Similarly, the term ‘height’ generally relates to the vertical dimension and ‘depth’ to the horizontal dimension, each in the corresponding orientation.

[0165] Although the embodiments of the invention have been shown and described above, it should be understood that the above-described embodiments are exemplary and should not be considered as limiting the invention. Those skilled in the art within the scope of the invention can make variations, modifications, replacements, and variations to the above-described embodiments.

Claims

Claims1. A cartridge for an aerosol provision system, the cartridge being provided with an atomization chamber inside, wherein the cartridge further comprises a first leakage-proof unit, the first leakage-proof unit comprising: a first leakage-proof chamber, adjacent to the atomization chamber and located upstream of the atomization chamber along an airflow direction; a first holder, having a first bottom face forming the bottom of the first leakage-proof chamber, and a first air vent tube extending from the first bottom face into the first leakageproof chamber; a liquid absorbent member, located within the first leakage-proof chamber, the liquid absorbent member having a passing hole, the passing hole being configured to allow the first air vent tube to pass through, a top face of the passing hole being not lower than a top face of the first air vent tube.

2. The cartridge for an aerosol provision system according to claim 1 , wherein the first holder further has a first circumferential wall, a circumferential surface of the first leakageproof chamber is enclosed by the first circumferential wall.

3. The cartridge for an aerosol provision system according to claim 1 or 2, wherein in the depth direction of the first leakage-proof chamber, the height of the liquid absorbent member is not less than the depth of the first leakage-proof chamber.

4. The cartridge for an aerosol provision system according to claim 3, wherein the top face of the liquid absorbent member is flush to the top face of the first leakage-proof chamber.

5. The cartridge for an aerosol provision system according to any preceding claim, wherein the liquid absorbent member completely saturates the first leakage-proof chamber.

6. The cartridge for an aerosol provision system according any preceding claim, wherein the first leakage-proof unit further comprises a sealing member located at the top of the first holder, the sealing member is opened with an opening, and the opening communicates the first leakage-proof chamber with the atomization chamber.

7. The cartridge for an aerosol provision system according to any preceding claim, wherein the cartridge is formed with an airflow channel inside, one end of the first holder away from the first leakage-proof chamber is further provided with an intercepting air hole, the intercepting air hole is formed as a part of the air flow channel, and the fluid flux of the air flow channel at the intercepting air hole is the smallest.

8. The cartridge for an aerosol provision system according to claim 7, wherein there are multiple intercepting air holes.

9. The cartridge for an aerosol provision system according to any preceding claim, wherein the first leakage-proof unit further comprises:a first collecting groove, arranged on a bottom wall of the first leakage-proof chamber, and extending along the transverse direction of the cartridge.

10. The cartridge for an aerosol provision system according to claim 9, wherein the width of a groove opening of the first collecting groove is greater than the width of a groove bottom of the first collecting groove.

11. The cartridge for an aerosol provision system according to claim 9 or 10, wherein there are multiple first collecting grooves.

12. The cartridge for an aerosol provision system according to any one of claims 1 to 11 , wherein the cartridge further comprises a second leakage-proof unit arranged upstream of the first leakage-proof unit along the airflow direction; the second leakage-proof unit comprises at least: a second leakage-proof chamber, in fluid communication with the first leakage-proof chamber through the first air vent tube; a second holder, having a second bottom face forming a bottom wall of the second leakage-proof chamber, and a second air vent tube extending from the second bottom face into the second leakage-proof chamber; a second collecting groove, arranged on the second bottom face, and extending along the transverse direction of the cartridge.

13. The cartridge for an aerosol provision system according to claim 12, wherein the centerlines of the first and the second air vent tube are non-coincident.

14. The cartridge for an aerosol provision system according to claim 12 or 13, wherein a top face of the second air vent tube is higher than a top face of the second collecting groove.

15. The cartridge for an aerosol provision system according to claim 12, 13 or 14, wherein there are multiple second collecting grooves.

16. The cartridge for an aerosol provision system according to claim 15, wherein the multiple second collecting grooves are not in communication with each other.

17. The cartridge for an aerosol provision system according to claim 15, wherein the multiple second collecting grooves are in fluid communication with each other and adjacent second collecting grooves are arranged at an angle to each other.

18. The cartridge for an aerosol provision system according to any of claims 12-17, wherein the width of a groove opening of the second collecting groove is greater than the width of a groove bottom of the second collecting groove.

19. The cartridge for an aerosol provision system according to any of claims 12-18, wherein the second collecting groove is a capillary groove.

20. The cartridge for an aerosol provision system according to any of claims 12-19, wherein the second holder is opened with a first electrode hole configured for an electrode to pass through, an edge of the first electrode hole abuts a bottom of the first holder.

21. The cartridge for an aerosol provision system according to any of claims 12-20, wherein the second holder is a sealing member, and the second holder seals the bottom space of the first holder.

22. The cartridge for an aerosol provision system according to claim 21 , wherein the second holder is covered on one end of the first holder away from the first leakage-proof chamber, and is in interference assembly with the first holder.

23. An aerosol provision system, wherein the system comprises the cartridge according to any of claims 1 to 22, a battery containing chamber, and a third leakage-proof unit located at the top of the battery containing chamber, and the third leakage-proof unit comprises: a third leakage-proof chamber, in fluid communication with the second leakage-proof chamber through the second air vent tube; a third holder, having a third bottom face forming a bottom wall of the third leakageproof chamber; a third collecting groove, arranged on the third bottom face, and extending along the transverse direction of the cartridge.

24. The aerosol provision system according to claim 23, wherein there are multiple third collecting grooves.

25. The aerosol provision system according to claim 23 or 24, wherein the width of a groove opening of the third collecting groove is greater than the width of a groove bottom of the third collecting groove.

26. The aerosol provision system according to claim 23, 24 or 25, wherein the third leakage-proof chamber comprises a first cavity and a second cavity that are in fluid communication with each other, the first cavity is located on the top of the third holder, and the second cavity extends in a direction from the top of the third holder to the battery containing chamber.

27. The aerosol provision system according to claim 26, wherein the third bottom face comprises a first portion forming a bottom wall of the first cavity and a second portion forming a bottom wall of the second cavity, and the third collecting groove extends along the transverse direction of the system on the first portion and the second portion.

28. The aerosol provision system according to claim 26 or 27, wherein the third holder further comprises a second circumferential wall forming the second cavity, the third leakageproof unit further comprises a fourth collecting groove, and the fourth collecting groove is arranged on the second circumferential wall, and extends along the longitudinal direction of the system.

29. The aerosol provision system according to claim 28, wherein the third holder is further formed with a function chamber for containing a control device;in the transverse direction of the system, the projection of the second cavity is overlapped with that of the function chamber.

30. The aerosol provision system according to claim 29, wherein the control device comprises an air flow sensor, a side wall of the second circumferential wall near the function chamber is opened with a through hole, the air flow sensor is arranged at one end of the through hole away from the second cavity, the second cavity is in fluid communication with the air flow sensor through the through hole, such that the second cavity is formed as a negative pressure chamber.

31. The aerosol provision system according to claim 30, wherein the through hole has a predetermined distance from the bottom wall of the second cavity.

32. The aerosol provision system according to claim 30 or 31, wherein the through hole is provided with a one-way valve or a waterproof breathable membrane therein.

Images