Aerosol provision system

Abstract

The embodiment of this invention discloses an aerosol provision system. The system comprises: a housing; a mouthpiece connected to one end of the housing in the length direction, equipped with an air outlet; the housing has a geometric center in the length direction, with the center of gravity located at the geometric center or between the geometric center and the mouthpiece. An aerosol provision system described in the embodiment of this invention, the center of gravity of the aerosol provision system is located at the geometric center in the length direction or between the geometric center and the mouthpiece. Compared to the prior art, this reduces the sensation of falling caused by the lower center of gravity when the user is puffing.

Description

[0001] AEROSOL PROVISION SYSTEM

[0002] Technical Field

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

[0004] Technical Background

[0005] An aerosol provision system refers to a system that contains aerosol-generating material and produces aerosol by heating aerosol-generating material (like tobacco) , rather than burning, for user puff.

[0006] The aerosol provision system comprises a mouthpiece for user puffing, a housing, a containment chamber located inside the housing, a cartomizer, a battery, and a controller. The containment chamber and cartomizer are typically positioned close to the mouthpiece, while the battery and controller are usually situated away from the mouthpiece. Due to the considerable weight of the battery and controller, the center of gravity of the aerosol provision system is lowered, resulting in a sensation of the system falling when the user is puffing.

[0007] Therefore, there is an urgent need for a new aerosol provision system to solve one or more of these technical issues.

[0008] Content of Invention

[0009] The invention aims to solve at least one of the technical issues present in the existing technology. Therefore, the invention discloses an aerosol provision system, which address the issue in the prior art where users experience a sensation of the aerosol provision system falling while puffing. This enables the aerosol provision system to provide users with a more authentic experience similar to puffing traditional cigarettes.

[0010] The embodiment of this invention discloses an aerosol provision system, the system comprises: a housing; a mouthpiece connected to one end of the housing in the length direction, equipped with an air outlet; the housing has a geometric center in the length direction, with the center of gravity located at the geometric center or between the geometric center and the mouthpiece.

[0011] In the embodiment of the aerosol provision system, the housing comprises: a battery, configured to provide power; a containment chamber, configured to house aerosol-generating material; a cartomizer, defining an atomization chamber with a heating component inside to heat the aerosol-generating material; and electrodes, configured to deliver power from the battery to the heating component; the position of at least one of the battery, the containment chamber, the cartomizer, and the electrodes is set such that the center of gravity of the system is located at the geometric center or between the geometric center and the mouthpiece.

[0012] In the embodiment of the aerosol provision system, the battery is positioned closer to the mouthpiece relative to the cartomizer.

[0013] In the embodiment of the aerosol provision system, the battery is at least partially located between the geometric center and the mouthpiece; and / or; the cartomizer is at least partially located between the end of the system away from the mouthpiece and the geometric center.

[0014] In the embodiment of the aerosol provision system, the center of gravity of the system in the empty state is located at the geometric center or between the geometric center and the mouthpiece.

[0015] In the embodiment of the aerosol provision system, the containment chamber is configured to be at least partially located between the end of the system away from the mouthpiece and the geometric center.

[0016] In the embodiment of the aerosol provision system, the center of gravity of the system in the full state is located at the geometric center or between the geometric center and the mouthpiece.

[0017] In the embodiment of the aerosol provision system, the mouthpiece comprises: a component defining the air outlet passage, with the air outlet set therein; and a skin-friendly layer surrounding the periphery of the component for contact with the user's mouth during puffing.

[0018] In the embodiment of the aerosol provision system, the skin-friendly layer is a silicone layer; or the skin-friendly layer includes a liquid-absorbing cotton and a polypropylene wrapping layer sequentially arranged in the direction away from the component.

[0019] In the embodiment of the aerosol provision system, the mouthpiece is cylindrical and / or the housing is cylindrical.

[0020] In the embodiment of the aerosol provision system, the housing has a top cover near the end of the mouthpiece, with the top cover having an air inlet configured to introduce external airway into the housing.

[0021] In the embodiment of the aerosol provision system, the cartomizer has an internal airway, wherein the airway comprises a first airway segment, a transition airway segment, and a second airway segment successively connected along the airway path;

[0022] The first airway segment defines the airway inlet of the airway, and the second airway segment defines the airway outlet of the airway. The central axis of the outlet of the first airway segment is offset from the central axis of the second airway segment;

[0023] The second airway segment is positioned within the atomization chamber and constitutes a vertically extending airway segment along the length direction of the cartomizer.

[0024] The cartomizer comprises a base component with a top surface facing the atomization chamber and a bottom surface opposite to the atomization chamber.

[0025] Through the bottom surface and the top surface, there are the first airway segment and two first electrode holes, with the first electrode holes configured for the passage of electrodes.

[0026] The electrodes cover a portion of the bottom surface of the base component, and the shortest distance from the geometric center of the bottom surface to the electrode holes is less than the radius of the intake port of the first airway segment.

[0027] In one embodiment of the aerosol provision system, the second airway segment shares a central axis with the cartomizer; the central axis of the first airway segment is parallel to the central axis of the second airway segment; the heating component is vertically arranged, and the second airway segment is parallel to the length direction of the heating component.

[0028] In one embodiment of the aerosol provision system, the cartomizer comprises the airway component; the airway component is located inside the atomization chamber and has an opening facing the heating component, forming an airway groove. The upstream segment of the groove is deeper than the downstream segment, creating partial side walls for the transitional airway segment and the second airway segment.

[0029] In one embodiment of the aerosol provision system, the cartomizer comprises an cartomizer bracket with positioning holes, and the positioning holes have a first opening at their tops; the heating component, having pins. the electrodes, extending into the positioning hole through the first opening and contact the pins inside the positioning hole. the pins and the electrodes are connected with the solderless connection.

[0030] In one embodiment of the aerosol provision system, the heating component comprises: the heating body, configured to heat the aerosol-generating material; two electrical connection portions, configured to electrically connect to the electrodes to provide power to the heating component; at least one of the electrical connecting portions comprises a first section body, and the resistivity of the first section body is less than the resistivity of the heating body; and / or at least one of the electrical connecting portions comprises a first section body, and the resistance value of the first section body is greater than 0 and less than or equal to 0.1 Q.

[0031] In one embodiment of the aerosol provision system, inside the atomization chamber, there is also an oil guiding body configured to absorb the aerosol-generating material; the heating component has a heating wire that comes into contact with the oil guiding body and heats the aerosol-generating material. At least a portion of the heating wire has a contact surface and an atomization surface, which are sequentially connected end to end in the circumferential direction of the cross-section, forming a closed loop. The contact surface contacts the oil guiding body to receive the aerosol-generating material absorbed by the oil guiding body and transfer it to the atomization surface; the heating wire comprises up to two atomization surfaces, and each atomization surface has no bend angles.

[0032] In one embodiment of the aerosol provision system, the cartomizer is equipped with at least two heating components, each corresponding to a specific atomization mode and configured to heat the aerosol-generating material in the corresponding atomization mode; the heating components corresponding to different atomization modes achieve different energy densities.

[0033] In one embodiment of the aerosol provision system, the heating component comprises a heating main body for generating aerosol and an electrical connection part connected to the heating main body; the resistance of the heating main body forms the effective heating resistance of the heating component, the area occupied by the heating main body serves as the effective heating area of the heating component, and the surface area of the resistance of the heating main body forms the effective atomization surface area of the heating component; the energy density obtained by the heating main body serves as the energy density obtained by the heating component; by configuring at least one parameter among the resistance, atomization surface area, and heating surface area parameters of the heating component differently, the energy density of the heating component is made different; i) the resistance parameters of the heating component are different, comprising at least one of the following parameters being different: the resistance of the heating component is different; the effective heating resistance is different; the proportion of the effective heating resistance is different; ii) The atomization surface area parameters of the heating component are different, comprising at least one of the following parameters being different: the effective atomization surface area is different; the cross-sectional area of the heating component is different; the unit surface area of the heating component is different; iii) the heating component has different heating surface area parameters, comprising at least one of the following parameters being different: the heating surface area of the heating component is different; the effective heating surface area is different; the proportion of the effective heating surface area is different.

[0034] In one embodiment of the aerosol provision system, it further comprises a liquid inlet structure, wherein the liquid inlet structure at least comprises a cartomizer bracket forming a atomization chamber, a liquid inlet channel, a first liquid inlet hole, and an air exchange hole; the liquid inlet channel is in fluid communication with the containment chamber; the cartomizer bracket forms at least one liquid guide groove along the longitudinal extension of the system. The liquid guide groove is partially formed as at least a part of the liquid inlet channel. The liquid guide groove and the atomization chamber are arranged transversely along the system. The liquid guide groove has a first side wall used to enclose one side of the atomization chamber. The first liquid inlet hole and the air exchange hole are arranged on the first side wall. Both the first liquid inlet hole and the air exchange hole establish fluid communication between the liquid guide groove and the atomization chamber; the air exchange hole is in fluid communication with the external atmosphere of the system. Along the height direction of the system, the air exchange hole is positioned above the first liquid inlet hole.

[0035] In one embodiment of the aerosol provision system, at the position of the liquid guide groove, the liquid inlet channel has a second sidewall set face-to-face with the first sidewall along the lateral direction of the system; the air exchange hole has a first distance along the longitudinal direction of the system between the air exchange hole and the first liquid inlet hole, and a second distance along the lateral direction of the system between the air exchange hole and the second sidewall. The first distance is not less than the second distance.

[0036] In one embodiment of the aerosol provision system, the system further comprises an air intake channel, a air-cutting hole, and a atomization chamber airway successively connected along the airway path; the fluid flux at the air-cutting hole is the smallest; the cartom izer further comprises a base component, and the air-cutting hole is positioned on the base component; or the housing is equipped with a battery accommodation chamber to accommodate the battery, and the air-cutting hole is positioned at the top of the battery accommodation chamber.

[0037] In one embodiment of the aerosol provision system, the axial direction of the air-cutting hole is perpendicular to the length direction of the cartomizer.

[0038] In one embodiment of the aerosol provision system, the system further comprises a first leak prevention unit, and the first leak prevention unit comprises: a first leak prevention chamber, adjacent to the atomization chamber and located upstream along the airway path; an atomization chamber bottom cover, having a first bottom surface forming the bottom of the first leak prevention chamber, and a first ventilation tube extending from the first bottom surface into the first leak prevention chamber; a liquid-absorbing body, located in the first leak prevention chamber, the liquid-absorbing body having a transfer hole configured to allow passage of the first ventilation tube, with the top surface of the transfer hole not lower than the top surface of the first ventilation tube.

[0039] In one embodiment of the aerosol provision system, the system further comprises a second leak prevention unit positioned upstream along the airway path from the first leak prevention unit; the second leak prevention unit comprises at least: a second leak prevention chamber, in fluid communication with the first leak prevention chamber through the first ventilation tube; a second bracket, with a second bottom surface forming the bottom of the second leak prevention chamber, and a second ventilation tube extending from the second bottom surface into the second leak prevention chamber; a second collection groove, set on the second bottom surface and extending laterally along the system.

[0040] In one embodiment of the aerosol provision system, the system comprises a battery accommodation chamber and a third leak prevention unit located at the top of the battery accommodation chamber. The third leak prevention unit comprises: a third leak prevention chamber, fluidly connected to the second leak prevention chamber through the second ventilation tube; a third bracket, with a third bottom surface forming the bottom of the third leak prevention chamber; a third collection groove, set on the third bottom surface and extending laterally along the system.

[0041] In one embodiment of the aerosol provision system, the inside of the housing forms a battery accommodation chamber; a battery bracket for securing the battery; the system also includes a housing bottom cover, fixedly connected to the battery bracket, and the housing bottom cover and the battery bracket are detachably connected to the housing.

[0042] In one embodiment of the aerosol provision system, the housing comprises a first housing and a second housing arranged along the length direction of the system, with the first housing set closer to the mouthpiece relative to the second housing, the second housing forming a battery accommodation chamber, and the first housing being detachably connected to the second housing.

[0043] In one embodiment of the aerosol provision system, the system also comprises a battery positioned within the battery accommodation chamber.

[0044] In one embodiment of the aerosol provision system,

[0045] The housing can contain aerosol-generating material for at least two puffing sessions. The system further comprises: a controller, configured to emit a puffing session end indication command at the end of a puffing session; an indicating element, configured to output an indication of the end of the puffing session based on the puffing session end indication command.

[0046] In one embodiment of the aerosol provision system, the controller, configured to trigger events based on battery level indications and emit remaining battery level indication commands. the indicating element, configured to output an indication of the remaining battery level based on the remaining battery level indication command.

[0047] In one embodiment of the aerosol provision system, the indicating element comprises at least one of the following: a vibration component, configured to output an indication of the end of the puffing session and / or the remaining battery level through vibration. a sound component, configured to output an indication of the end of the puffing session and / or the remaining battery level through sound. a light-emitting component, configured to output an indication of the end of the puffing session and / or the remaining battery level through illumination. a display screen component, configured to display an indication of the end of the puffing session and / or the remaining battery level on the display screen.

[0048] In one embodiment of the aerosol provision system, the indicating element comprises a light-emitting component capable of emitting at least two colors; the light-emitting component emits light of different colors to indicate various remaining battery levels when the battery is not depleted; at least one of the light-emitting components flashes for a first duration to indicate remaining battery levels when the battery is depleted ; at least one of the light-emitting components flashes for a second duration to indicate the end of the puffing session.

[0049] In one embodiment of the aerosol provision system, the indicating element comprises at least two light-emitting components; a different number of the light-emitting components are illuminated to indicate various remaining battery levels when the battery is not depleted; at least one of the light-emitting components flashes for a first duration to indicate remaining battery levels when the battery is depleted; at least one of the light-emitting components flashes for a second duration to indicate the end of the puffing session; the second duration is different from the first duration.

[0050] In one embodiment of the aerosol provision system, the indicating element comprises a vibration component and at least two light-emitting components; a different number of the light-emitting components are illuminated to indicate various remaining battery levels when the battery is not depleted; at least one of the light-emitting components flashes for a first duration to indicate remaining battery levels when the battery is depleted; the vibration component vibrates to indicate the end of the puffing session.

[0051] The aerosol provision system in the embodiments of the present invention has its center of gravity at the geometric center or above the geometric center of its length, positioned near the nozzle, reducing the sense of falling due to the lower center of gravity when the user puffs.

[0052] In further embodiments, the nozzle of the aerosol provision system is designed with a skin-friendly layer resembling the traditional cigarette nozzle, such as the combination of liquid-absorbing cotton and a polypropylene layer, providing users with a more immersive experience similar to traditional cigarette puffing.

[0053] In further embodiments, the nozzle and housing of the aerosol provision system are configured in a cylindrical shape resembling a traditional cigarette, aiming to provide users with a more authentic experience similar to traditional cigarettes.

[0054] In further embodiments, the aerosol provision system's cartomizer adopts a biased airway design, enhancing the flexibility of the cartomizer's air intake position through the biased airway. By strategically arranging the positions, it reduces the volume of the cartomizer and even the entire system, achieving a compact design.

[0055] In further embodiments, the heating component and electrode inside the cartomizer of the aerosol provision system are non-welded, free-solder connected to the positioning holes on the cartomizer bracket. This simplifies the assembly process and allows for a reduction in system volume, achieving a compact design.

[0056] In further embodiments, the electrical connection portion of the heating component inside the cartomizer of the aerosol provision system comprises a first segment body with resistivity less than the resistivity of the heating main body. Alternatively, the electrical connection portion of the heating component comprises a first segment body with a resistance value in the range of greater than 0 and less than or equal to 0.1Q. This is done to reduce the ineffective heating resistance of the electrical connection portion, decrease ineffective power consumption, concentrate energy on the heating main body, and enhance atomization efficiency.

[0057] In further embodiments, the heating component inside the cartomizer of the aerosol provision system comprises a heating wire. The portion of the heating wire away from the oil guide body comprises up to two atomization surfaces, and each of these atomization surfaces has no folded angles. This is done to achieve rapid liquid guiding across the entire atomization surfaces of the aerosol-generating material, preventing dry burning and failure of the heating component.

[0058] In further embodiments, the aerosol provision system's cartomizer comprises two heating components with different energy densities, corresponding to different atomization modes. This is done to achieve optimal atomization performance by matching the energy density with different atomization modes.

[0059] In further embodiments, the ventilation hole of the aerosol provision system is positioned above the first liquid inlet hole. This design prevents bubbles generated in the aerosolgenerating material from easily getting stuck at the first liquid inlet hole, thus preventing blockage and allowing the aerosol-generating material to smoothly enter the atomization chamber from the containment cavity. This helps to avoid disruptions in the system's functionality.

[0060] In further embodiments, the interior of the aerosol provision system's housing, such as the cartomizer base component and the top of the battery accommodation chamber, is equipped with air-cutting holes strategically placed in the airway path to achieve the desired puffing resistance setting with minimal fluid flux.

[0061] In further embodiments, the aerosol provision system is equipped with multiple leak prevention units to effectively collect and manage condensate. This prevents the condensate from accumulating in the atomization chamber and being puffed by the user along with the aerosol, thereby affecting the user's puffing experience. Additionally, it avoids contact between the condensate and components such as the battery and circuit, preventing potential damage.

[0062] In further embodiments, the aerosol provision system is equipped with a detachable battery structure, allowing the quick and convenient removal of the battery from the used aerosol provision system. This facilitates the recycling and proper disposal of the battery to prevent environmental pollution.

[0063] In further embodiments, the aerosol provision system provides indications for multiple puffing sessions, offering users an experience similar to puffing from traditional cigarettes one by one. Additionally, it indicates the end of puffing sessions and the remaining battery level, allowing users to understand the puffing status and system battery status for providing feedback.

[0064] 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.

[0065] Description of drawings

[0066] 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:

[0067] Figure 1 and 2 are the three-dimensional structure of the aerosol provision system provided in one embodiment of the present invention.

[0068] Figures 3 and 4 are the different cross-sectional views from distinct perspectives of Figure 2.

[0069] Figure 5 is the schematic diagram of another embodiment of the aerosol provision system provided in the present invention.

[0070] Figures 6 and 7 are the three-dimensional structure of certain components of the aerosol provision system in the embodiment provided in the present invention.

[0071] Figure 8 is the cross-sectional view from a specific perspective of Figure 6.

[0072] Figure 9 is the three-dimensional structure of the cartomizer of the aerosol provision system provided in an embodiment of the present invention.

[0073] Figure 10 is the exploded view of the cartomizer of the aerosol provision system provided in an embodiment of the present invention.

[0074] Figure 11 is a cross-sectional view from a specific perspective of the cartomizer in the aerosol provision system provided in an embodiment of the present invention.

[0075] Figure 12 is the structural diagram of the base component of the cartomizer in the aerosol provision system provided in an embodiment of the present invention, with electrodes passing through.

[0076] Figure 13 is the structural diagram of the base component of the cartomizer in the aerosol provision system provided in an embodiment of the present invention, where electrodes are not shown.

[0077] Figure 14 is a cross-sectional view from a specific perspective of the base component of the cartomizer in the aerosol provision system provided in an embodiment of the present invention.

[0078] Figure 15 is the three-dimensional structure of the airway component in the cartomizer of the aerosol provision system.

[0079] Figure 16 is the structural diagram of the heating component in the aerosol provision system provided in an embodiment of the present invention.

[0080] Figure 17 is the contact between electrodes and pins within the positioning hole in the aerosol provision system provided in an embodiment of the present invention.

[0081] Figure 18 is a partial structural diagram of the aerosol provision system provided in an embodiment of the present invention, highlighting the liquid inlet structure.

[0082] Figure 19 is the structural diagram of the second leak prevention unit in the aerosol provision system provided in an embodiment of the present invention.

[0083] Figure 20 is the structural diagram of the third leak prevention unit in the aerosol provision system provided in an embodiment of the present invention.

[0084] Figure 21 is the exploded view of a partial structure in the aerosol provision system provided in an embodiment of the present invention.

[0085] Detailed description

[0086] 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.

[0087] 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.

[0088] 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.

[0089] 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.

[0090] 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.

[0091] In some embodiments, the delivery system is a non-combustible aerosol provision system, such as a powered non-combustible aerosol provision system.

[0092] 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.

[0093] 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.

[0094] 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 aerosolgenerating material. The solid aerosol-generating material may comprise, for example, tobacco or a non-tobacco product.

[0095] 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.

[0096] 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.

[0097] 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.

[0098] 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. 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.

[0099] 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.

[0100] 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.

[0101] 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.

[0102] In some embodiments, the active substance comprises nicotine. In some embodiments, the active substance comprises caffeine, melatonin or vitamin B12.

[0103] 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.

[0104] 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.

[0105] 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.

[0106] 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.

[0107] 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.

[0108] 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.

[0109] 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.

[0110] 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.

[0111] 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.

[0112] 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.

[0113] 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.

[0114] The one or more other functional materials may comprise one or more of pH regulators, colouring agents, preservatives, binders, fillers, stabilizers, and / or antioxidants.

[0115] 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.

[0116] 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 aerosolgenerating material to generate aerosol in use. The heater may, for example, comprise combustible material, a material heatable by electrical conduction, or a susceptor.

[0117] 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.

[0118] 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 aerosol-modifying 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 aerosolmodifying 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.

[0119] 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.

[0120] 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.

[0121] 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.

[0122] 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.

[0123] As described in the technical Background, the current aerosol provision systems typically have their center of gravity positioned at the lower portion, away from the mouthpiece. When users puff, there is a sensation of the aerosol provision system falling. In view of this, the present embodiment of the invention creatively provides an aerosol provision system with the center of gravity at the geometric center or above the geometric center of the system length (closer to the mouthpiece side), thereby reducing the sensation of the aerosol provision system falling.

[0124] The following will provide a detailed introduction to the aerosol provision system of the present invention through specific embodiments.

[0125] The embodiment of the present invention provides an aerosol provision system. Figure 1 and 2 are the three-dimensional structure of the aerosol provision system provided in the present invention. Figures 3 and 4 are the different cross-sectional views from distinct perspectives of Figure 2.

[0126] Referring to Figures 1-4, the aerosol provision system comprises an opposed proximal end and a distal end along the vertical direction, as well as a housing 100 extending between the proximal and distal ends. The housing 100 is equipped with a mouthpiece 101 at the proximal end, and the mouthpiece 101 has an air outlet 102. An air inlet 103 is also provided on the housing 100. The air inlet 103 can be located at the distal end as shown in Figure 1 , or it can be positioned at other locations on the housing 100.

[0127] The housing 100 forms an accommodating space inside, which includes a containment chamber 200 for accommodating aerosol-generating material (such as e-liquid), a cartomizer 300, a battery 400, a controller (control circuit) 500, and electrodes to establish electrical connection between the battery 400 and the cartomizer 300. The battery 400 is configured to provision power to the heating component in the cartomizer 300 under the control of the controller 500. The cartomizer 300 has a atomization chamber 310 for containing the heating component. When the aerosol-generating material is in liquid state, the atomization chamber 310 is in fluidly communication with the containment chamber 200, allowing the liquid aerosolgenerating material in the containment chamber 200 to enter the atomization chamber 310 and be heated by the heating component.

[0128] The airway inside the housing is formed by the communication between the air inlet 103, the atomization chamber 310, and the air outlet 102. When a user puffs, external air enters through the air inlet 103, passes through the atomization chamber 310 to carry away the aerosol inside, and then exits to the user through the air outlet 102.

[0129] In one embodiment of the present invention, the system also comprises a first sealing cover 104 for sealing the air outlet 102 and a second sealing cover 105 for sealing the air inlet 103. When the aerosol provision system is not in use, the first sealing cover 104 and the second sealing cover 105 can be applied to ensure safety and hygiene.

[0130] In one embodiment of the present invention, the housing 100 comprises two independent parts, namely, an upper housing 110 with the mouthpiece 101 and a lower housing 120. The upper housing 110 accommodates the containment chamber 200 and the cartomizer 300, while the lower housing 120 accommodates the battery 400 and the controller 500. The lower part of the upper housing 110 is located within the lower housing 120. In replaceable embodiments, the upper housing 110 and the lower housing 120 essentially do not overlap in the height direction of the system, and the lower end of the upper housing 110 is connected to the upper end of the lower housing 120 to form the housing 100.

[0131] In one embodiment, the upper housing 110 and lower housing 120 are designed as detachable connections, allowing the aerosol-generating material or the cartomizer 300 inside the upper housing 110 to be replaced, or enabling the cartomizer 300 to be connected to different batteries 400. It can be understood that, in other embodiments, once assembled, the upper housing 110 and lower housing 120 are permanently connected.

[0132] In replaceable embodiments, different from the structure where the upper and lower housings are independently set, the housing 100 can also be configured as an integrally molded independent structure. From the perspectives of internal component assembly and reusability, the configuration with a separate second housing is more advantageous compared to an integrally molded housing.

[0133] In other embodiments of the present invention, the aerosol provision system can have a box-like structure, with the cartomizer 300 and the battery 400 arranged along the horizontal direction extending from left to right. The housing 100 can be configured as an integrally molded box-shaped housing. It can also be configured as two housings connected horizontally, with the containment chamber 200 and cartomizer 300 in one housing, and the battery 400 and controller 500 in the other housing. The two housings on the left and right can be designed as detachable connections. Of course, in replaceable embodiments, the two housings on the left and right are permanently connected once assembled.

[0134] The mouthpiece 101 can be integrally molded with the housing 100 or separable from the housing 100. A detachable mouthpiece 101 facilitates cleaning. In addition, the presence of a detachable mouthpiece 101 helps in accessing the interior of the housing 100, making it convenient to replace the aerosol-generating material inside the housing 100.

[0135] The battery 400 is configured to provide power to the cartomizer 300. In other examples, the battery can be replaced by portable power sources (such as capacitive energy storage devices like supercapacitors), mechanical batteries (such as mechanical battery springs or generators), or alternative chemical energy sources (such as fuel cells).

[0136] The aerosol-generating material can be solid, powder, or liquid. In one embodiment of the present invention, as shown in Figures 3 and 4, the containment chamber 200 is used to contain a liquid aerosol-generating material. The containment chamber 200 includes an outer wall, and the outer wall of the containment chamber 200 can be integrally formed with the housing 100, i.e. , the outer wall forms a part of the housing 100. The outer wall and the housing 100 can also be independent components, with the housing 100 positioned outside the outer wall. The outer wall covers at least a portion of the external surface of the cartomizer 300, and the containment chamber 200 is collectively formed by the outer wall and a portion of the surface of the cartomizer 300.

[0137] The aerosol provision system comprises multiple components, and the positions and weights of these components determine the center of gravity of the system. In an embodiment of the present invention, the center of gravity can be located at the geometric center of the aerosol provision system in the longitudinal direction or between the geometric center and the mouthpiece. Figure 2 illustrates the geometric center 130 in the longitudinal direction of the system, and the system's center of gravity 140 is positioned between the geometric center 130 and the mouthpiece 101. In replaceable embodiments, the system's center of gravity 140 coincides with the geometric center 130. In the lateral direction of the system, the center of gravity can be set at or near the longitudinal center axis of the system.

[0138] The geometric center in the longitudinal direction can be the geometric center of the system when excluding the mouthpiece 101 , or it can be the geometric center of the system when comprising the mouthpiece 101.

[0139] In the embodiments of the present invention, the positioning of at least one component among the housing, battery, cartomizer, controller, containment chamber, electrodes, etc., and at least one parameter of weight can be adjusted to achieve the desired center of gravity position. The weight can be adjusted by varying the size of each component and selecting materials with different densities.

[0140] It is noted that the aerosol-generating material has a certain weight, but this weight can vary during the puffing process. To ensure a good user experience, in one embodiment of the present invention, the center of gravity of the aerosol provision system is positioned between the geometric center and the mouthpiece in both empty and full states. Here, the area between the geometric center and the mouthpiece is considered the first part, and the end away from the mouthpiece to the geometric center is considered the second part. In this context, an "empty state" refers to the aerosol provision system not containing aerosol-generating material or when the material is depleted, while a "full state" refers to the aerosol provision system containing the maximum amount of aerosol-generating material.

[0141] The existing aerosol provision systems tend to have their center of gravity in the lower part, primarily due to the battery being located in the lower section, and the weight of the battery is significantly greater than that of the cartomizer and aerosol-generating material. In one embodiment of the present invention, the center of gravity is adjusted by modifying the weight of the battery. For example, lithium-ion batteries, compared to traditional lead-acid batteries, are lighter and have a larger capacity. Therefore, by selecting a lithium-ion battery for the second part of the system and reducing its weight, the center of gravity can be shifted upwards towards the geometric center or between the geometric center and the mouthpiece.

[0142] In another embodiment of the present invention, without considering changes in the weight of the battery, the center of gravity is adjusted by repositioning the battery and cartomizer. Specifically, the battery is positioned closer to the mouthpiece relative to the cartomizer to increase the weight of the first part, resulting in an upward shift of the center of gravity. The structure shown in Figure 5 differs from the structures illustrated in Figures 3-4, where a significant portion of the battery 400 and containment chamber 200 is located in the first part of the system, and the cartomizer 300 is positioned in the second part of the system, achieving an upward shift of the center of gravity towards the first part. It is evident that further adjustments to the positions of the battery, containment chamber, and cartomizer can continue to fine-tune the center of gravity.

[0143] Corresponding to the adjustment of the positions of the components, the configuration of the air passage within the system can be changed accordingly. As shown in Figure 5, since the cartomizer 300 is located below the battery 400, when the air inlet is positioned at the bottom of the system, air enters the cartomizer 300 through the air inlet. Subsequently, it biases through the side air passage formed between the battery 400 and the housing 100, and then is delivered to the air outlet 102.

[0144] In the embodiments of the present invention, it is possible to have at least a portion of the battery located in the first part and / or at least a portion of the cartomizer located in the second part.

[0145] In the embodiments of the present invention, it is possible to configure the containment chamber to be at least partially located in the first part. In this case, the reduction in the weight of the aerosol-generating material may increase the possibility of lowering the center of gravity. Therefore, in preferred embodiments, the center of gravity of the system in the empty state is located between the geometric center and the mouthpiece of the system in the lengthwise direction.

[0146] In the embodiments of the present invention, it is possible to configure the containment chamber to be located in the second part or at least partially in the second part. In this case, the increase in the weight of the aerosol-generating material may increase the possibility of lowering the center of gravity. Therefore, in preferred embodiments, the center of gravity of the system in the full state is located between the geometric center and the mouthpiece of the system in the lengthwise direction.

[0147] As an illustrative example and not limiting, the center of gravity of the aerosol provision system is set at a position along the length at a distance of 20%-45% from the mouthpiece. More preferably, the center of gravity is set at a position along the length at a distance of 25%- 40% from the mouthpiece.

[0148] To provide a similar puffing and tactile experience to traditional cigarettes has always been an improvement direction for aerosol provision systems. In order to achieve a mouthpiece feel similar to traditional cigarettes, in an embodiment of the present invention, as shown in Figures 6 and 7, the mouthpiece 101 comprises a component 201 defining the air outlet passage and a skin-friendly layer 202 set around the outer periphery of the component 201. The air outlet passage is provided with an air outlet 102, and the skin-friendly layer 202 comes into contact with the user's mouth during puffing.

[0149] As an example, the component 201 can be a rigid hollow tubular structure to provide a stable air outlet passage and enhance durability. The component 201 can be independently set within the housing 100 or integrally molded with the housing 100.

[0150] The skin-friendly layer in the embodiments of the present invention refers to a layer structure that is suitable for contact with the user's mouth in terms of safety, health, and material feel.

[0151] In one embodiment of the present invention, the skin-friendly layer can specifically be a silicone layer, providing a relatively soft texture.

[0152] In a replaceable embodiment of the present invention, the skin-friendly layer comprises, in sequence away from the component, a liquid-absorbing cotton and a polypropylene wrapping layer. The structure is formed with the component, liquid-absorbing cotton, and polypropylene wrapping layer being successively nested. The liquid-absorbing cotton provides users with a softer touch and can collect condensate produced by aerosol condensation, preventing its accumulation to avoid affecting other parts of the system; the polypropylene wrapping layer serves to protect the cotton and prevents direct contact between the cotton and the mouthpiece, preventing cotton fibers from entering the human body.

[0153] The liquid-absorbing cotton can be set in a multi-layer structure to better capture condensate and prevent users from experiencing a soggy feeling.

[0154] In one embodiment of the present invention, the skin-friendly layer may comprise an antibacterial layer and / or a self-cleaning layer to ensure user safety and hygiene.

[0155] In one embodiment of the present invention, as shown in Figure 6, the mouthpiece 101 is cylindrical, and the housing 100 is cylindrical, giving the overall structure a resemblance to traditional cigarettes.

[0156] Figure 8 is a partial cross-sectional view of the aerosol provision system provided in the embodiment of the present invention. As mentioned above, the air inlet of the aerosol provision system can be positioned at the bottom or far end of the system. The present invention provides a replaceable embodiment, as shown in Figures 6, 7, and 8, where the air inlet 103 is positioned at the near end of the housing 100, close to the mouthpiece 101.

[0157] In one embodiment of the present invention, as shown in Figure 7, the housing 100 near the end of the mouthpiece 101 is equipped with a removable top cover 106. The top cover 106 has an air inlet 103 configured to introduce external airway into the housing 100. In one configuration, the airway entering the housing 100 flows along the gap between the housing 100 and the outer wall of the containment chamber 200 and enters the space below the containment chamber 200 into the atomization chamber 310. Compared to the design with the air inlet at the bottom, placing the air inlet in the top cover can avoid the airway and condensate generated by aerosol condensation passing through the area where components such as the battery and controller are located, thereby improving the system's lifespan. Additionally, it simplifies the system structure by avoiding multiple layers of airway sealing components.

[0158] Figure 9 is the three-dimensional structure of the cartomizer of the aerosol provision system provided in an embodiment of the present invention. Figure 10 is the exploded view of the cartomizer of the aerosol provision system provided in an embodiment of the present invention. Figure 11 is a cross-sectional view from a specific perspective of the cartomizer in the aerosol provision system provided in an embodiment of the present invention. Figure 12 is the structural diagram of the base component of the cartomizer in the aerosol provision system provided in an embodiment of the present invention, with electrodes passing through. Figure 13 is the structural diagram of the base component of the cartomizer in the aerosol provision system provided in an embodiment of the present invention, where electrodes are not shown. Figure 14 is a cross-sectional view from a specific perspective of the base component of the cartomizer in the aerosol provision system provided in an embodiment of the present invention. Figure 15 is the three-dimensional structure of the airway component in the cartomizer of the aerosol provision system.

[0159] In one embodiment of the present invention, as shown in Figure 9-15, the cartomizer 300 comprises the atomization chamber 310, the cartomizer bracket 320 forming the atomization chamber 310, the airway component 330, and the heating component located inside the atomization chamber 310. The cartomizer bracket 320 comprises a structural component 321 and a support frame 610 that cooperatively forms the atomization chamber 310. The support frame 610 is formed with a containment groove 611 , and the airway component 330 is assembled within the containment groove 611. The heating component is clamped and fixed within the containment groove 611 by the support frame 610 and the airway component 330. Both the heating component and the airway component 330 are connected to the structural component 321 and the support frame 610.

[0160] In one embodiment of the present invention, the surface of the airway component is equipped with multiple grooves to collect the condensate formed after aerosol condensation in the atomization chamber, preventing the condensate from leaking outside the atomization chamber.

[0161] The heating component comprises stacked heating elements 341 and a guiding body 342. The guiding body 342 is used to transport the liquid aerosol-generating material in the containment chamber to the heating element 341. In one embodiment of the present invention, the guiding body 342 can be cotton or ceramic, among other materials, to achieve fluid guidance. In one embodiment of the present invention, the guiding body 342 may have a multilayer, multi-porous structure.

[0162] In one embodiment of the present invention, as shown in Figure 10, the heating element 341 is a heating mesh. The mesh apertures of the heating mesh are of any shape among circles or polygons. The heating element can be plate-shaped and may extend along the vertical direction of the cartomizer.

[0163] The cartomizer 300 also comprises a base component 350, detachably assembled on the cartomizer bracket 320 to define the bottom surface of the atomization chamber 310. The base component 350 comprises an atomization chamber bottom cover 353, which has a top surface facing the atomization chamber 310 and a bottom surface away from the atomization chamber 310. Two first electrode holes are provided through the bottom surface and the top surface, through which the power electrode 352 passes. As shown in Figures 12 and 13, the first electrode holes include through-holes 3571 penetrating the top surface and bottom surface of the atomization chamber bottom cover 353, and electrode grooves 3572 set on the bottom surface and outside the periphery of the through-holes 3571 . Part of the electrode 352 passes through the through-holes 3571 , while another part is accommodated in the electrode groove 3572 and covers a portion of the bottom surface of the atomization chamber bottom cover 353.

[0164] In the embodiments of the present invention, a biased airway design is provided within the cartomizer. As shown in Figure 11 , the biased airway comprises sequentially connected first airway segment 361 , transition airway segment 362, and second airway segment 363 along the airway path (as indicated by the arrows in the figure). The first airway segment 361 defines the airway inlet of the biased airway, guiding the airway into the airway; the second airway segment 363 is located inside the atomization chamber 310 and is a vertically extending airway segment along the length of the cartomizer. The second airway segment 363 defines the airway outlet of the airway, guiding the airway out of the airway. The center axis of the outlet of the first airway segment 361 deviates from the center axis of the second airway segment 363, forming a biased arrangement between them.

[0165] The first airway segment can be set through the bottom surface and top surface of the base component. As shown in Figure 14, the top surface of the atomization chamber bottom cover 353 faces the atomization chamber, forming a first cavity 3532. The base component 350 further comprises liquid-absorbing material 358 filled in the first cavity 3532. The atomization chamber bottom cover 353 has a first vent hole 3531 , and the liquid-absorbing material 358 has a second vent hole 3581 . The first vent hole 3531 and the second vent hole 3581 are sequentially connected to form the first airway segment 361. The bottom surface of the atomization chamber bottom cover 353 forms the bottom surface of the base component 350, and the top surface of the liquid-absorbing material 358 and a portion of the top surface of the atomization chamber bottom cover 353 form the top surface of the base component 350. The liquid-absorbing material in the present invention can be materials such as cotton.

[0166] In one embodiment of the present invention, the heating element can also be vertically arranged in the atomization chamber, such that its length direction is approximately parallel to the second airway segment, and the center axis of the outlet of the first airway segment is set on the side of the center axis of the second airway segment away from the heating element. This arrangement allows the air coming from the first airway segment to flow towards the heating element, ensuring that more air is blown onto the top of the heating element, carrying away more aerosols. It also allows the air to be more thoroughly heated, preventing cold air from being drawn by the user, thus affecting the taste.

[0167] As shown in Figure 11 , the airway component 330 and the heating element 341 together form an airway assembly, and the gap between them defines an airway passage, which comprises at least the second airway segment 363.

[0168] In the present invention, the first airway segment is formed on the base component, and the second airway segment is formed on the airway assembly inside the atomization chamber. In one embodiment of the present invention, the transition airway segment may be formed on the base component together with the first airway segment as needed. In another replaceable embodiment, part of the transition airway segment is formed on the base component, and part is formed on the airway assembly composed of the airway component and the heating element. It can be understood that the transition airway segment can also be formed on other components outside the base component and the airway assembly.

[0169] In a replaceable embodiment, as shown in Figure 11 , the transition airway segment 362 is formed together with the second airway segment 363 on the airway assembly composed of the airway component 330 and the heating element 341. As shown in Figures 11 , 12, and 15, the airway component 330 in the airway assembly is located inside the atomization chamber 310 and has an opening with an airway groove 331 facing the heating element 341. The upstream section 3311 of the airway groove 331 has a greater groove depth than the downstream section 3312, forming the partial sidewalls of the transition airway segment 362 and the second airway segment 363, respectively.

[0170] As shown in Figure 11 , while the first airway segment 361 is formed on the base component 350, and the transition airway segment 362 is formed together with the second airway segment 363 on the airway assembly composed of the airway component 330 and the heating element 341 , a first airway seal 354 can be placed between the first airway segment 361 and the transition airway segment 362 to provide airway sealing for the circumferential space between the airway segments. The first airway seal 354 has openings to allow communication between the first airway segment 361 and the transition airway segment 362.

[0171] In the present invention, the orientation of the first airway segment, the second airway segment, and the heating element can be selectively arranged according to requirements.

[0172] In one embodiment of the present invention, the second airway segment passes through the center axis of the cartomizer. As an example, but not limited to, the second airway segment is approximately aligned with the center axis of the cartomizer.

[0173] In one embodiment of the present invention, the center axis of the first airway segment deviates from the center axis of the cartomizer, and the two axes do not coincide.

[0174] In one embodiment of the present invention, the center axis of the first airway segment is parallel to the center axis of the second airway segment. Both are vertically arranged airways along the length direction of the cartomizer. In replaceable embodiments, the center axis of the first airway segment may form a certain angle with the center axis of the second airway segment.

[0175] The position setting of the first airway segment and the second airway segment can be chosen according to the present invention. In one embodiment of the present invention, the angle between the center axis of the transition airway segment and either the center axis of the second airway segment or the first airway segment is 45°-90°. This angle can ensure that the first airway segment is positioned appropriately without excessively deviating from the geometric center of the base component, avoiding difficulty in opening the airway at the edge of the component. Additionally, this angle can prevent the transition airway segment from being too long or too deviated, avoiding obstacles to airflow circulation inside it.

[0176] In one embodiment of the present invention, the cross-sectional area of the air inlet of the transition airway segment may be set to be greater than or equal to the cross-sectional area of the air inlet of the transition airway segment. As shown in Figure 11 , the cross-sectional area of the air inlet of the transition airway segment 362 is set to be greater than the cross- sectional area of the air outlet of the first airway segment 361. In one implementation, the air inlet of the transition airway segment covers the air outlet of the first airway segment in its orthogonal projection, ensuring that all airflow from the first airway segment is directed into the transition airway segment.

[0177] In one embodiment of the present invention, the cross-sectional area of the air outlet of the transition airway segment may be set to be greater than or equal to the cross-sectional area of the air inlet of the second airway segment. As shown in Figure 11 , the cross-sectional area of the air outlet of the transition airway segment 362 is set to be equal to the cross- sectional area of the air inlet of the second airway segment 363. In one implementation, the air outlet of the transition airway segment completely overlaps with the air inlet of the second airway segment in its orthogonal projection.

[0178] It is noted that, in some embodiments of the present invention, the cartomizer may comprise additional airway segments in addition to the first airway segment, second airway segment, and third airway segment mentioned above. For example, a third airway segment can be positioned downstream of the second airway segment within the atomization chamber to establish communication from the exterior of the cartomizer to the air outlet. The present invention does not impose specific limitations on this configuration.

[0179] In one embodiment of the present invention, the shortest distance from the geometric center of the bottom surface of the base component to the electrode hole is less than the radius of the air inlet of the first airway segment. Specifically, the shortest distance from the geometric center of the bottom surface of the atomization chamber bottom cover to the electrode hole is less than the radius of the air inlet of the first airway segment. This reduces the size between the two electrode holes, achieving a compact design for the base component and even the cartomizer.

[0180] The cartomizer comprises a heating element, and for the improvement of system performance, various aspects of the heating element can be enhanced. Figure 16 illustrates the structure of the heating element in an embodiment of the present invention, and Figure 17 depicts a schematic diagram of the contact between the electrodes and pins within the positioning holes in the aerosol delivery system according to an embodiment of the present invention.

[0181] As shown in Figure 16, the heating element 341 comprises a heating body 3410 configured to heat the aerosol-generating material within the system to produce aerosol, and two electrical connection portions 3412 and 3413 configured to electrically connect to the battery electrodes of the system to provide power to the heating body 3410. The heating element 341 also comprises some support portions, such as 34123, 34133, shown in the figure, which do not generate heat when the heating element is powered. Referring to Figure 17, there are positioning holes on the cartomizer bracket, and these holes can be specifically located on the support bracket 610. The positioning hole has a first opening 660, through which the electrode 352 enters the positioning hole. The pins 34122 and 34132 of the heating element 341 extend into the positioning hole, and the electrode 352 is non-welded connected to the pins 34122 and 34132 within the positioning hole.

[0182] In one embodiment of the present invention, the electrode 352 extends from the far end to the near end, while the pins 34122 and 34132 extend from the near end to the far end. In this configuration, the first opening 660 is located on the side of the support bracket 610 facing the far end, allowing the electrode 352 to directly extend into the first opening 660.

[0183] Certainly, in other embodiments of the present invention, the first opening 660 can be located at other positions on the support frame 610. For example, the first opening 660 can be positioned on the side of the support frame 610 facing the near end. In this case, the electrode can extend from the far end to the near end and bend to enter the first opening 660.

[0184] In another embodiment of the present invention, the battery 400 and the cartomizer 300 are generally arranged along the transverse direction of the system, and the heating element 341 and the electrode 352 both extend substantially along the transverse direction of the system. The heating element 341 is essentially laid out within the atomization chamber 310. In this configuration, the positioning hole can be arranged along the transverse direction of the system.

[0185] Compared to the electrode 352, the pin 3412 is more easily bent. Therefore, in an embodiment of the present invention, the first opening 660 is preferably set at the end of the cartomizer support frame facing the electrode 352.

[0186] Considering the various possible arrangements of the battery 400 and cartomizer 300, as well as the heating element 341 and electrode 352, the orientation of the extension of the positioning hole and the direction of the first opening 660 can be set according to specific requirements. The present invention does not impose specific restrictions on this.

[0187] In one embodiment of the present invention, the contact connection between the electrode and the pin in the positioning hole can be achieved through pressure fitting. In this case, both the electrode and the pin are in pressure contact with the inner wall surface of the positioning hole, and there is pressure contact between the electrode and the pin under the influence of the inner wall surface pressure. This ensures a stable electrical connection between the electrode and the pin within the positioning hole.

[0188] In another embodiment of the present invention, the contact connection between the electrode and the pin in the positioning hole can be achieved through adhesive bonding. At least a portion of the contact side between the electrode and the pin is bonded using an adhesive to ensure the stability of the connection between the electrode and the pin. In a specific implementation, the adhesive has conductivity, and the adhesive-connected surface between the electrode and the pin serves as the electrical connection surface for both. In another specific implementation, the electrical connection surface between the electrode and the pin is separate from the adhesive-connected surface.

[0189] In another embodiment of the present invention, the contact connection between the electrode and the pin in the positioning hole can be achieved through magnetic suction connection. By incorporating magnetic structures or surfaces on the electrode and pin, a stable connection is established. Additionally, contact between the side surfaces of the electrode and pin, outside the magnetic structures or surfaces, can be used to achieve electrical connection.

[0190] In another embodiment of the present invention, the contact connection between the electrode and pin in the positioning hole can be achieved through a snap-fit connection. By incorporating complementary snap-fit structures on the electrode and pin, a stable connection is established. Specifically, this snap-fit structure can include a protruding pin on the electrode and a corresponding hole on the pin. The snap-fit connection between the pin and hole, along with the contact between the side surfaces of the electrode and pin, accomplishes electrical connection.

[0191] In another embodiment of the present invention, the contact connection between the electrode and pin in the positioning hole can also be achieved through an elastic connection, which will be described in detail in subsequent embodiments. The connection between the electrode and pin can be achieved through one or more of the above-mentioned methods.

[0192] By creating a positioning hole in the cartomizer support frame, the pins and electrodes of the heating element are confined within the positioning hole, achieving the limitation of pins and electrodes. This limitation, based on the action of the positioning hole, facilitates a solderless connection, which can be achieved through methods such as pressure fitting, snap connection, elastic interference fit, and more. Compared to the prior art, these connection methods eliminate the need for welding, simplifying assembly complexity. Additionally, as there is no need for size preparation for welding, the system's volume can be reduced accordingly.

[0193] In embodiments of the present invention, the pins can enter the positioning hole along with the electrodes through the same or different openings.

[0194] In one embodiment of the present invention, the pins and electrodes enter the positioning hole through the same opening. As shown in Figure 17, the support frame 610 has a first opening 660 facing the far end. The electrode 352 extends into the first opening 660 along the direction from the far end to the near end, and the pins 34122 and 34132 extend and bend into the first opening 660 along the direction from the near end to the far end. Both the electrode 352 and the pins 34122, 34132 enter the positioning hole through the first opening 660. The side surfaces of the pins 34122, 34132 are in contact with the side surface of the electrode 352 inside the positioning hole.

[0195] In one embodiment of the assembly of the electrode and pins, the pins may have a lateral length exposed in the first opening, and during the process of the electrode extending into the first opening, the lateral length of the pins is abutted to cause them to bend and pass through the first opening into the positioning hole. With this configuration, in the process of the electrode entering the positioning hole, it can abut against the pins, causing them to bend without the need to pre-bend the pins, further simplifying the assembly process.

[0196] In another embodiment of the present invention, the pins and electrodes may enter the positioning hole through different openings. Specifically, the cartomizer bracket also has a penetrating hole communicating with the positioning hole, and the penetrating hole has an angle with the axis of the positioning hole. The penetrating hole has a second opening opposite to the positioning hole. The pins are inserted into the penetrating hole from the second opening and at least partially extend into the positioning hole. Both are connected without welding inside the positioning hole. In this embodiment, the configuration of the pins and electrodes entering the positioning hole from different openings increases the flexibility of the positioning of the pins and electrodes. It is convenient for the pins and electrodes to enter the positioning hole relative to the cartomizer bracket through their respective closer openings, reducing the size of the pins and electrodes, further reducing the volume of the system.

[0197] In one embodiment of the present invention, the pin has a first pin portion that extends into and is located in the penetrating hole, and a second pin portion that extends into and is located in the positioning hole. There is a bending angle between the first pin portion and the second pin portion. After the pin is bent into the positioning hole, the side of the electrode contacts the side of the second pin portion of the pin.

[0198] In another embodiment of the present invention, the first pin portion and the second pin portion are located in the same plane. The side of the second pin portion contacts the end face of the electrode, or the end face of the second pin portion contacts the side of the electrode.

[0199] In one embodiment of the present invention, to increase the stability of the connection between the electrode and the pin, the system further comprises an elastic member configured to provide a force between the electrode and the pin towards each other.

[0200] In one embodiment of the present invention, between the electrode, pin, and the inner wall of the positioning hole, there are mutually parallel first and second contact surfaces. The elastic member is positioned at least on one of the first contact surface or the second contact surface.

[0201] In another embodiment of the present invention, the elastic member can be an independent component, or it can be integrated with the positioning hole, pin, or electrode. Specifically, it can include at least one of the following: the elastic member is the positioning hole, and the inner wall of the positioning hole is the elastic surface; and / or the elastic member is the pin, and the side surface of the pin near the inner wall of the positioning hole is the elastic surface; and / or the elastic member is the electrode, and the side surface of the electrode near the inner wall of the positioning hole is the elastic surface.

[0202] As shown in Figure 16, the heating element 341 comprises a heating body 3410 configured to generate aerosol within the heating system to produce aerosol, and two electrical connecting portions 3412 and 3413 configured to electrically connect to the battery electrodes of the system to provide power to the heating body 3410. The heating element 341 also comprises some supporting portions, such as 34123 and 34133 shown in the figure. These structural parts, after the heating element is powered on, do not generate heat. The resistance of the heating element 341 is mainly composed of the heating body 3410 and the electrical connecting portions 3412 and 3413. Although the electrical connecting portions 3412 and 3413 are powered to generate heat, their primary function is electrical connection rather than heating the aerosol-generating material. They can be referred to as ineffective resistance, producing ineffective power consumption.

[0203] For this purpose, in the embodiments of the present invention, at least one electrical connecting portion comprises a first section with a resistivity lower than the resistivity of the heating body. By setting at least a portion of the structure of at least a portion of the electrical connecting portion as the first section with a resistivity lower than the resistivity of the heating body, the ineffective resistance value can be reduced, thereby lowering the ineffective power consumption to reduce energy waste. Correspondingly, if the effective resistance remains unchanged, the proportion of effective resistance increases, and the corresponding effective power consumption increases. If the overall resistance of the heating element remains unchanged, the effective resistance increases, the proportion of effective resistance further increases, and the corresponding effective power consumption further increases. This enhances the atomization capability of the system.

[0204] As shown in Figure 16, the electrical connecting portion 3412 comprises a fixed portion 34121 and a pin 34122; the electrical connecting portion 3413 comprises a fixed portion 34131 and a pin 34132. In the embodiments of the present invention, as needed, a portion, all, or portions of both electrical connecting portions can be chosen to be formed as the first section.

[0205] It is noted that when the heating element is a deformable structure, such as a mesh heating element, the electrical connecting portion also provides support for the heating element. In the present invention, when setting the first section, a balance between reducing ineffective resistance and providing support for the heating element can be considered. For example, by setting a portion of the electrical connecting portion as the first section, the remaining part of the electrical connecting portion can maintain good support. Alternatively, other methods can be employed to enhance support, such as sintering the mesh heating element onto a porous ceramic substrate, eliminating concerns about deformation. In this case, as many electrical connecting portions as possible can be set as the first section to further reduce ineffective resistance and minimize ineffective power consumption.

[0206] In this embodiment of the invention, the material used for the first segment body comprises low-resistivity nickel that complies with safety standards even when heated. The materials for the heating body can comprise one or more of the following: iron-chromium- aluminum, nickel-chromium, stainless steel, or titanium alloy.

[0207] In another alternative embodiment, to reduce the ineffective power consumption of the heating element, at least one electrical connecting portion of the heating element comprises a first section, and the resistance of the first section is greater than 0 and less than or equal to 0.1 Q.

[0208] The low resistance value of the first section can be chosen by limiting parameters such as cross-sectional area, length, etc. In the alternative embodiment, the resistivity of this first section, as mentioned above, can be set to be less than the resistivity of the heating element.

[0209] In some embodiments of the present invention, the heating body is composed of heating wires. Each heating wire comprises a atomization surface that forms a closed loop connected to the ends of the contact surface. The atomization surface is a curved surface, and the entire curved surface has no bend angles. This curved surface can specifically be a partial cylindrical surface or an S-shaped surface. Of course, in other embodiments of the present invention, the curved surface can take other forms, as long as there are no bend angles on the curved surface, and the present invention does not specifically limit this.

[0210] It is noted that, in this invention, the term "bend angle" refers to an angle between two intersecting surfaces or lines, and the connection between them involves a non-smooth transition. Smooth curved surfaces do not exhibit bend angle. The rate of the liquid aerosolgenerating material slows down when passing through a bend angle.

[0211] In another embodiment, the aerosol provision system's heating wire has two atomization surfaces, namely the first atomization surface and the second atomization surface. The contact surface, the first atomization surface, and the second atomization surface are sequentially connected end to end to form a closed loop. Each atomization surface is free of bend angles in direction, and the connection between the two atomization surfaces is smoothly transitioned without bend angles. The absence of bend angles on each atomization surface, as well as at the connection between them, allows the liquid aerosol-generating material to pass through the entire atomization surface without encountering any bend angle. This enhances the oil guiding rate, reducing the occurrence of dry burning failure on the atomization surface of the heating wire.

[0212] In another embodiment, the heating wire of the aerosol provision system has two atomization surfaces, namely the first atomization surface and the second atomization surface. The contact surface, the first atomization surface, and the second atomization surface are sequentially connected end to end to form a closed loop. Each atomization surface has no bend angles, but there is a bend angle at the connection between the two atomization surfaces. Compared to the prior art, the reduction in the number of atomization surfaces and bend angles increases the oil guiding rate on the atomization surface, thereby reducing the occurrence of dry burning failure on the atomization surface of the heating wire.

[0213] While there are two atomization surfaces, the atomization surfaces can be set as any of the following: both the first atomization surface and the second atomization surface are flat; one of the first atomization surface and the second atomization surface is flat, and the other is curved; both the first atomization surface and the second atomization surface are curved. The present invention does not specifically limit this.

[0214] In one embodiment of the present invention, the first atomization surface and the second atomization surface each have a first side located at their connection point in the cross-section and a second side connected to the contact surface. The distance from the first side to the second side of both the first atomization surface and the second atomization surface is equal. By setting the distance from the ends of the contact surface to the connection points of the two atomization surfaces to be equal, the probability of liquid aerosol generating material reaching the bend angle simultaneously is increased, further improving the oil guiding rate and reducing the occurrence of dry burning failure of the atomization surface of the heating wire.

[0215] In a further embodiment of the present invention, the cross-sections of the first atomization surface and the second atomization surface have an axisymmetric shape, and the axis of symmetry passes through their connection point and is perpendicular to the contact surface.

[0216] In one embodiment of the present invention, the tangent angles 0 at both ends where the atomization surface connects with the contact surface are acute angles, such as 30°, 45°, etc. Compared to obtuse angles and right angles, acute angles allow for a faster transfer of aerosol-generating material, thereby increasing the oil-guiding speed from the contact surface to the atomization surface and reducing the occurrence of dry burning failure of the atomization surface of the heating wire.

[0217] In a preferred embodiment, the tangent angles at both ends where the atomization surface connects with the contact surface are equal. This is done to increase the probability of the liquid aerosol-generating material reaching the connection points of the two atomization surfaces simultaneously. This further enhances the oil-guiding speed on the atomization surface, reducing the occurrence of dry burning failure on the heating wire's atomization surface.

[0218] As previously mentioned, the electric connecting parts 3412 and 3413 are configured to connect to the battery electrodes of the system to provide power to the heating body 3410. The resistance of the heating element 341 is mainly composed of the resistance of the heating body 3410 and the electric connecting parts 3412 and 3413. Although electrically powered, the primary function of the electric connecting parts 3412 and 3413 is electrical connection rather than heating the aerosol-generating material. Therefore, in the embodiments of the present invention, the resistance of the electric connecting parts 3412 and 3413 is considered as the ineffective heating resistance of the heating element 341 , the area it occupies is considered as the ineffective heating area of the heating element 341 , and the energy it produces is considered as the ineffective energy of the heating element 341. The heating body 3410 is used to provide the energy required for heating the aerosol-generating material. In the embodiments of the present invention, the resistance of the heating body 3410 is considered as the effective heating resistance of the heating element 341 , the area it occupies is considered as the effective heating area of the heating element 341 , the surface area of the resistance of the heating body 3410 is considered as the effective atomization surface area of the heating element 341 , and the energy density obtained by the heating body 3410 is considered as the energy density obtained by the heating element 341.

[0219] It is noted that the energy density of the heating element in the embodiments of the present invention refers to the amount of energy that can be provided to the aerosolgenerating material on the unit area of the oil guide body in the enclosed area formed by the heating component through the generated heat. This energy is specifically provided by the atomization power obtained when the heating element is energized. The higher the energy density of the heating element, the higher the temperature of the aerosol-generating material on the corresponding area, resulting in more aerosol production. However, it also leads to increased carbon accumulation. The present invention can be designed with heating elements of corresponding energy density based on the requirements of various atomization modes. For example, a lower energy density heating element may be used for e-liquids with high carbon accumulation to reduce the temperature reached during heating and, consequently, reduce carbon buildup. On the other hand, a higher energy density heating element may be used for e-liquids that require high power for optimal atomization.

[0220] The energy density of a component is determined by the power the component can obtain and its area. As mentioned above, in the present invention, the energy density of the heating element actually refers to the energy density of the heating body. Therefore, in addition to the power and area obtained by the heating element as a whole, the energy density of the heating element is also related to the effective heating resistance, effective atomization surface area, and effective heating area corresponding to its heating body. The magnitude of power is related to the external power supply and the settings of the resistances. Thus, the energy density of the heating element is influenced by the external power supply and its own resistance parameters, atomization surface area parameters, and heating area parameters. In embodiments of the present invention, the energy density of the heating element can be varied by configuring different external power supplies and varying at least one parameter among its own resistance, atomization surface area, and heating area.

[0221] In one embodiment of the present invention, different resistance parameters of the heating element are configured to achieve different energy density settings. Different resistance parameters may specifically comprise variations in the resistance of the heating element and / or differences in the effective heating resistance and / or variations in the proportion of effective heating resistance. Different resistance parameters can result in different corresponding powers. Under the conditions of the same power supply, same area parameters, or reasonable settings, varying resistance parameters can achieve different energy density settings.

[0222] Such variations in energy density settings can be achieved by setting different resistances for the heating element, different effective heating resistances for the heating element, and different proportions of effective heating resistance.

[0223] In one embodiment of the present invention, the heating element comprises a heating wire. Different resistance parameters for the heating element can be achieved by varying the length of the heating wire and / or the resistivity of the heating wire and / or the cross-sectional area of the heating wire.

[0224] Under the same conditions, assuming all other factors are equal, a longer length of the heating wire, a smaller cross-sectional area of the heating wire, or a higher resistivity of the heating wire will result in a higher resistance. In embodiments of the present invention, different resistance parameters for the heating element can be set by adjusting at least one of these parameters.

[0225] In one embodiment of the present invention, the heating element's heating body comprises the heating wire that forms the effective heating resistance. The heating element comprises four second parameters: the cross-sectional area of the heating wire, the length of the heating wire, the resistivity of the heating wire in the heating body, and the resistivity of the connecting part. When the resistance of the heating element is consistent, the proportion of the effective heating resistance of the heating element is configured to be different by adjusting at least one of these second parameters.

[0226] In one embodiment, the heating element with higher energy density may have a smaller cross-sectional area of the heating wire in its heating body compared to the heating element with lower energy density. A smaller cross-sectional area results in a higher effective heating resistance, all other conditions being equal. This leads to a higher proportion of effective resistance, allowing for higher achievable atomization power and, consequently, higher energy density.

[0227] In one embodiment, the heating element with higher energy density may have a longer length of the heating wire in its heating body compared to the heating element with lower energy density. With other conditions being equal, a longer length of the heating wire in the heating body results in a higher effective heating resistance and a larger proportion of effective resistance. This allows for higher achievable atomization power and, consequently, higher energy density.

[0228] In one embodiment, the heating element with higher energy density may have a higher resistivity of the heating body in its heating wire compared to the heating element with lower energy density. A higher resistivity of the heating body results in a higher effective heating resistance, and, under similar conditions, the proportion of effective resistance is larger.

[0229] In one embodiment, the heating element with higher energy density may have a lower resistivity of the electrical connection part compared to the heating element with lower energy density. Under similar conditions, a lower resistivity of the electrical connection part results in a smaller ineffective heating resistance of the electrical connection part, leading to a larger proportion of effective resistance.

[0230] In one embodiment, the material of the electrical connection part of the heating element with higher energy density is nickel. Additionally and / or alternatively, the material of the heating element's heating body is at least one of iron-chromium-aluminum, nickel-chromium, stainless steel, and titanium alloy. This is aimed at achieving a higher resistivity for the heating body and a lower resistivity for the electrical connection part.

[0231] To achieve different resistivities, in some embodiments of the present invention, at least a portion of the structure of at least one electrical connection part is set as the first segment, and the resistivity of the first segment is less than the resistivity of the heating body. By setting the first segment, it is possible to reduce the ineffective heating resistance, increase the proportion of effective heating resistance, achieve different energy density settings, and reduce ineffective power consumption to minimize energy waste.

[0232] The setting of the first segment can be referred to in the previous descriptions; it will not be elaborated here.

[0233] In one embodiment of the present invention, different configurations of the atomization surface area of the heating element are employed to achieve varied energy density settings. The differences in the atomization surface area of the heating element include at least one of the following parameters: different effective atomization surface areas and / or different cross-sectional areas of the heating element and / or different unit surface areas of the heating element.

[0234] In one embodiment of the present invention, the heating element comprises a heating wire, where the variation in the effective atomization surface area involves differences in the cross-sectional area and / or length of the heating wire. Under identical conditions, a larger cross-sectional area and longer length of the heating wire result in a greater effective atomization surface area for the heating element.

[0235] It is noted that the adjustment of the mentioned parameters needs to be combined with the sameness of other parameters or their reasonable configuration to ultimately achieve differences in energy density.

[0236] In one embodiment of the present invention, different energy density settings are achieved by configuring the heating area parameters of the heating element. The variations in the heating area parameters comprise differences in the total heating area occupied by the heating element and / or differences in the effective heating area and / or differences in the proportion of the effective heating area.

[0237] In a specific embodiment of the present invention, different heating elements have consistent resistance. This means that under the same supply power, the atomization power of the heating elements is the same. In this case, different energy density settings can be achieved by adjusting parameters of the heating element portion, such as the atomization power obtained by the heating element and the heating element area. Specifically, different energy density settings can be achieved through variations in at least one of the effective resistance ratio, effective atomization surface area, and effective heating surface area among the three first parameters.

[0238] In embodiments of the present invention, the configurations aimed at increasing energy density can be referred to as advantageous configurations, such as reducing effective atomization surface area, increasing effective resistance ratio, etc. Configurations aimed at decreasing energy density can be referred to as disadvantageous configurations, such as increasing effective atomization surface area, increasing the ratio of ineffective heating resistance, etc. To achieve different energy densities, in embodiments of the present invention, one heating element can adopt one or more advantageous configurations, while another heating element can adopt one or more disadvantageous configurations. In replaceable embodiments, a combination of advantageous and disadvantageous configurations can also be used for a heating element, as long as the final integrated design results in different energy densities for different heating elements.

[0239] In the above embodiments of the present invention, by configuring the resistance parameters, atomization surface area parameters, and heating area parameters of the heating element, configurations with different energy densities can be provided. This allows for the adaptation of the heating element to different atomization modes in the system, achieving optimal atomization states under different modes and enhancing the user experience. Simultaneously, achieving better matching between different energy densities and atomization modes helps reduce carbon buildup, mitigate issues related to mismatch with power supply, and enhance the overall lifespan of the system.

[0240] In one embodiment of the present invention, heating elements with different energy densities are configured with the same set power. Despite having the same power setting, the heating elements can achieve different energy densities through the adjustment of parameters such as area and effective heating resistance.

[0241] In another embodiment of the present invention, heating elements with different energy densities have different set powers. Specifically, there are at least two atomization modes with at least two levels of set power. The heating element with higher energy density corresponds to a higher level of set power, while the heating element with lower energy density corresponds to a lower level of set power.

[0242] To achieve atomization, the liquid aerosol-generating material in the containment chamber needs to be transported to the atomization chamber. For this purpose, the system also comprises a liquid inlet structure for transporting liquid aerosol-generating material from the containment chamber to the atomization chamber.

[0243] Figure 18 is a partial structural diagram of the aerosol provision system provided in an embodiment of the present invention, showing the liquid inlet structure 600. Referring to Figure 18, the liquid inlet structure 600 provided in an embodiment of the present invention comprises a support frame 610, a liquid inlet channel 620, a first liquid inlet hole 630, and a vent hole 640. The liquid inlet channel 620 is in communication with both the containment chamber and the atomization chamber.

[0244] The support frame 610 is formed with mutually connected liquid guide grooves 622 and an annular groove 621. It can be understood that the annular groove 621 is set on the upper surface of the support frame 610, and this upper surface faces the containment chamber 200. The liquid guide groove 622 may be composed of multiple sections, and at least a portion of the liquid guide groove 622 extends along the longitudinal direction of the aerosol supply system, while the annular groove 621 extends along the transverse direction of the aerosol supply system. The liquid guide groove 622 and the annular groove 621 together form the aforementioned liquid inlet channel 620. The portion of the liquid guide groove 622 that extends along the longitudinal direction of the aerosol supply system is arranged adjacent to the atomization chamber 310 along the transverse direction of the system. The liquid guide groove 622 has a first side wall 6211 for enclosing one side of the atomization chamber 310. The first liquid inlet hole 630 and the vent hole 640 are both located on this first side wall 6211 and pass through it. The first liquid inlet hole 630 and the vent hole 640 connect the liquid guide groove 622 to the atomization chamber 310. The aerosol generating material in the containment chamber 200 enters the atomization chamber 310 sequentially through the liquid guide groove 622 and the first liquid inlet hole 630. The vent hole 640 is configured to communicate with the external atmosphere of the aerosol supply system. Therefore, during the use of the system, when the internal pressure of the containment chamber 200 decreases due to the consumption of aerosol generating material, external atmosphere enters the atomization chamber 310 from the outside due to pressure difference. It then enters the liquid guide groove 622 through the vent hole 640, then into the containment chamber 200 through the liquid guide groove 622, maintaining the hydraulic balance of the containment chamber 200.

[0245] In the preferred embodiment of the present invention, along the height direction of the system, the vent hole 640 is positioned above the first liquid inlet hole 630. This arrangement prevents bubbles generated in the aerosol-generating material from getting stuck at the first liquid inlet hole 630, avoiding blockages and allowing the aerosol-generating material to smoothly enter the atomization chamber 310 from the containment chamber 200, thus avoiding any impact on the operation of the system.

[0246] It can be understood that the bubbles entering the liquid guide groove 622 from the vent hole 640 will undergo lateral and vertical movements as they move upward into the containment chamber 200. If the vertical distance is large enough, it is more likely to prevent the bubbles from being pushed down to the position of the inlet hole by the liquid (i.e., aerosolgenerating material), causing a blockage. Based on this, in the present embodiment of the invention, the liquid inlet structure 600 is designed with a second side, and the second side wall at the position of the liquid guide groove 622 is set face-to-face with the first side wall 6211 along the transverse direction of the system. The distance between the vent hole 640 and the first liquid inlet hole 630 along the vertical direction of the system is defined as the first distance, and the distance between the vent hole 640 and the second side wall along the transverse direction of the system is defined as the second distance. In the present embodiment of the invention, it is required that the first distance is not less than the second distance, thereby ensuring a sufficiently large vertical distance to avoid bubbles being pushed down to the position of the first liquid inlet hole and causing a blockage. It should be noted that the specific values for the first and second distances are not explicitly specified in this embodiment and can be adjusted based on product requirements in practical applications.

[0247] As a preferred embodiment, in the present embodiment of the invention, the cross- sectional area of the vent hole on the side near the atomization chamber is greater than the cross-sectional area on the side near the liquid guide groove. In other words, the diameter of the vent hole on the side near the atomization chamber is greater than the diameter on the side near the liquid guide groove. In a specific embodiment, the cross-sectional area of the vent hole can be gradually increased along the liquid inlet direction. In another specific embodiment, the vent hole can be composed of multiple sections, and along the liquid inlet direction, the diameters of the multiple sections of holes gradually increase. It can be understood that setting the vent hole in the above form (also known as a trumpet hole) is more advantageous for external gases to enter the liquid guide groove through the vent hole from the atomization chamber, then move upward into the containment chamber, to maintain the pressure balance in the containment chamber.

[0248] As a preferred embodiment in the present embodiment of the invention, one-way valves (not shown in the figure) can also be set inside the vent hole. The one-way valve can be configured to allow gas to enter from the side near the atomization chamber to the side near the liquid guide groove through the vent hole. Preferably, the one-way valve can further be configured to prevent liquid (such as aerosol generating material) from entering from the side near the liquid guide groove to the side near the atomization chamber through the vent hole. This configuration helps prevent aerosol generating material from entering the vent hole, avoiding blockages in the vent hole.

[0249] It is understood that in the embodiments of the present invention, the specific shape and quantity of the vent hole are not limited. As long as it does not deviate from the conceptual basis of the present invention, any known shape can be used as the shape of the vent hole in the embodiments of the present invention.

[0250] As a preferred embodiment, in the embodiments of the present invention, the liquid liquid inlet structure also comprises an air groove. The air groove is set on the surface of the first side wall facing the atomization cavity, the air groove is recessed into the surface and extends along the surface in the longitudinal direction, one end of the air groove communicates with the vent hole, and the other end of the air groove communicates with the external atmosphere. In other words, communication between the vent hole and the external atmosphere is achieved through the air groove.

[0251] It is noted that in the embodiments of the present invention, the specific shape and quantity of the first liquid inlet hole are not limited. Any known shape can be used as the shape of the first liquid inlet hole in the embodiments of the present invention without departing from the conceptual idea of the present invention.

[0252] Furthermore, the system comprises a second airway seal 700 for sealing between the support frame 610 and the containment chamber 200. In specific embodiments, the shape and size of the second airway seal700 are adapted to the size and shape of the end of the support frame 610 near the containment chamber 200, without specific limitations here. The outer wall of the containment chamber 200 is covered by the periphery of the second airway seal 700, and the portion where the outer wall contacts the second airway seal 700 is in an interference fit. This design helps prevent leakage of aerosol-generating material in the containment chamber 200, avoiding contamination of other components such as batteries in the aerosol supply system. Additionally, to achieve fluid communication between the containment chamber 200 and the liquid guide groove 622, the second airway seal 700 is provided with a second liquid inlet hole 710, allowing aerosol-generating material in the containment chamber 200 to enter the liquid guide groove 622 through this second liquid inlet hole 710.

[0253] To prevent condensate reflux from aerosol encountering cold and causing damage to the components in the aerosol provision system, in the embodiments of the present invention, at least one anti-leakage structure is sequentially set upstream in the airflow direction of the atomization chamber. The at least one anti-leakage structure is designed to adsorb condensate. On one hand, it prevents condensate from accumulating in the atomization chamber, avoiding the situation where condensate is puffed by the user along with the aerosol during puffing, which could affect the user's puffing experience. On the other hand, it prevents condensate from coming into contact with components such as batteries, thereby avoiding damage to these components.

[0254] In embodiments of the present invention, the first anti-leakage unit comprises a first antileakage chamber, a first bracket, and a liquid-absorbing body. The first anti-leakage chamber is configured to be adjacent to the atomization chamber and located upstream in the airflow direction of the atomization chamber. The first bracket is configured to have a first bottom surface forming the bottom of the first anti-leakage chamber and a first vent tube extending from the first bottom surface into the first anti-leakage chamber. The liquid-absorbing body is located within the first anti-leakage chamber and has transfer holes. The transfer holes are configured to allow the first vent tube to pass through, and the top surface of the transfer holes is not lower than the top surface of the first vent tube. It can be understood that setting the top surface of the transfer holes not lower than the top surface of the first vent tube allows the liquid-absorbing body to absorb as much condensate as possible, reducing the condensate that falls down through the first vent tube.

[0255] It can be understood that the first bracket can be the bottom component of the cartomizer, defining the bottom surface of the atomization chamber. The first bracket can specifically be the atomization chamber's bottom cover 353, where the first anti-leakage chamber can be the first chamber 3532, the first vent tube can define the first vent hole 3531 as described above, and the transfer holes can be the second vent hole 3581 as described above.

[0256] In order to maximize the absorption of condensate by the liquid-absorbing body and prevent condensate from accumulating on the sidewalls of the first anti-leakage chamber, it is considered advantageous in certain embodiments of the present invention to set the height of the liquid-absorbing body in the depth direction of the first anti-leakage chamber not less than the depth of the first anti-leakage chamber. Preferably, the top surface of the liquid-absorbing body is aligned with the top of the first anti-leakage chamber. Furthermore, it is further preferred to fill the liquid-absorbing body to completely occupy the first anti-leakage chamber, ensuring that the liquid-absorbing body can efficiently absorb condensate and preventing condensate from accumulating on the sidewalls of the first anti-leakage chamber. It should be noted that the specific material of the liquid-absorbing body is not limited in the embodiments of the present invention, and any material capable of absorbing liquid can be used for the liquid-absorbing body within the scope of the present invention. As an illustrative example and not a limitation, materials such as cotton can be used as the liquid-absorbing body in certain embodiments of the present invention.

[0257] As a preferred embodiment, the first anti-leakage unit in certain embodiments of the present invention further comprises a first collecting groove. The first collecting groove is positioned on the bottom wall of the first anti-leakage chamber and extends laterally along the direction of the cartridge. By placing the first collecting groove on the bottom wall of the first anti-leakage chamber, it is possible to use the first collecting groove to collect a portion of the condensate, further enhancing the anti-leakage effect.

[0258] Preferably, the width of the opening of the first collecting groove is greater than the width of the bottom of the first collecting groove, which facilitates the entry of condensate into the first collecting groove.

[0259] Preferably, there can be multiple first collecting grooves.

[0260] Preferably, the first 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 first collecting grooves can enhance their ability to adsorb condensate.

[0261] The second leak prevention unit is generally positioned upstream of the first leak prevention unit along the direction of airflow. Referring to Figure 19, in the embodiments of the present invention, the second leak prevention unit 900 generally comprises a second leak prevention chamber 910, a second bracket 920, and a second collecting groove 930. The second leak prevention chamber 910 is configured to be fluidly connected to the first leak prevention cavity through the first ventilation tube, allowing the fluid containing condensate to enter the second leak prevention chamber 910 from the first leak prevention cavity through the first ventilation tube. The second bracket 920 is configured to have a second bottom surface 921 forming the bottom wall of the second leak prevention chamber 910 and a second vent tube 922 extending from the second bottom surface 921 into the second leak prevention chamber 910. The second collecting groove 930 is configured to be set on the second bottom surface 921 and extend laterally along the cartridge. By positioning the second leak prevention unit upstream of the first leak prevention unit along the direction of airflow, the second collecting groove 930 can adsorb condensate from the first leak prevention cavity entering the second leak prevention cavity, increasing the amount of condensate absorbed by the cartridge and further improving the leak prevention effect of the cartridge.

[0262] As a preferred embodiment, in the embodiments of the present invention, the centerline of the second vent tube is set not to coincide with the centerline of the first vent tube, so that the airflow path between the atomization cavity and the first leak prevention chamber is offset from the airflow path between the first leak prevention chamber and the second leak prevention chamber. This offset increases the path for condensate to travel from the atomization cavity through the first leak prevention chamber to the second leak prevention chamber, allowing condensate to be absorbed by the first leak prevention unit and the second leak prevention unit as much as possible, thereby enhancing the leak prevention effect.

[0263] Preferably, the top surface of the second vent tube is set higher than the top surface of the second collecting groove, thereby avoiding condensate in the second collecting groove leaking through the second vent tube to the underside of the second bracket, preventing contamination or damage to the components below.

[0264] Preferably, the number of second collecting grooves can be multiple.

[0265] In a specific embodiment, multiple second collecting grooves are not interconnected.

[0266] In another specific embodiment, multiple second collecting grooves are interconnected, and adjacent second collecting grooves are set at an angle to increase the adsorption capacity of the second collecting grooves for condensate.

[0267] Preferably, the width of the opening of the second collecting groove is greater than the width of the bottom of the second collecting groove, facilitating the entry of condensate into the second collecting groove.

[0268] Preferably, the second collecting groove is a capillary groove. It can be understood that, due to its inherent characteristics, a capillary groove has a certain adsorption capacity for liquids. Using a capillary groove as the second collecting groove can enhance its adsorption capacity for condensate.

[0269] It can be understood that, for the convenience of electrode penetration, the second bracket 920 is also provided with a second electrode hole 923. Preferably, the edge of the second electrode hole 923 abuts against the bottom of the first support. By setting the edge of the second electrode hole to abut against the bottom of the first support, contamination of the electrodes by fluids such as condensate can be avoided. It also prevents fluids such as condensate from flowing through the electrode hole to the battery component, preventing damage to the battery component.

[0270] As a preferred embodiment, in the present invention, the second bracket is set as a sealing element and is used to seal the bottom space of the first bracket. With this configuration, on the one hand, when there is excessive condensate in the second leak prevention chamber, it can prevent the condensate from leaking out of the opening of the second leak prevention chamber. On the other hand, it forms a relatively sealed space in the bottom space of the first bracket, facilitating the minimization of fluid flux in the airflow channel at the air-cutting hole.

[0271] It can be understood that the second bracket is placed at one end of the first bracket away from the first leak prevention chamber. In order to improve the sealing effect, the second bracket is set to interference fit with the first bracket. As an illustrative example and not a restrictive description, the second bracket can be made of silicone material.

[0272] The third leak prevention unit 1000 is located at the top of the battery accommodation chamber and below the second leak prevention unit 900. Referring to Figure 20, in an exemplary embodiment of the present invention, the third leak prevention unit 1000 generally comprise a third leak prevention chamber 1010, a third bracket 1020, and a third collecting groove 1030. The third leak prevention chamber 1010 is configured to be in fluid communication with the second leak prevention chamber 910 through the second vent tube 922, allowing fluid containing condensate to enter the third leak prevention chamber 1010 from the second leak prevention chamber 910 through the second vent tube 922. The third bracket 1020 is configured to have a third bottom surface 1021 that forms the bottom of the third leak prevention chamber 1010. The third collecting groove 1030 is configured to be located on the third bottom surface 1021 and extend laterally along the system. By placing the third leak prevention unit 1000 upstream of the first and second leak prevention units along the airflow direction, and utilizing the third collecting groove 1030 to further adsorb condensate entering the third leak prevention chamber 1010 from the first and second leak prevention chambers, the system's adsorption capacity for condensate is increased, further enhancing the leak prevention effectiveness of the system.

[0273] Preferably, the number of the third collecting grooves can be multiple.

[0274] In a specific embodiment, the multiple third collecting grooves are not interconnected.

[0275] In another specific embodiment, the multiple third collecting grooves are interconnected, and adjacent third collecting grooves are set at an angle to increase the adsorption capacity of the third collecting grooves for condensate.

[0276] Preferably, the width of the opening of the third collecting groove is greater than the width of the bottom of the third collecting groove, facilitating the entry of condensate into the third collecting groove.

[0277] Preferably, the third collecting groove is a capillary groove. It can be understood that, due to its inherent characteristics, a capillary groove has a certain adsorption capacity for liquids. Adopting a capillary groove as the third collecting groove can enhance its adsorption capacity for condensate.

[0278] It can be understood that, for the convenience of electrode penetration, the third bracket 1020 is also equipped with a third electrode hole 1022. Preferably, the top surface of the third electrode hole 1022 is higher than the top surface of the third collecting groove 1030, to prevent condensate from flowing into the third electrode hole 1022 and causing damage to electrode and other components. As a preferred embodiment, in the present invention, the third leak prevention chamber

[0279] 1010 is composed of leak prevention sub-chambers 1011 and 1012. The leak prevention subchambers 1011 and 1012 are interconnected, with the leak prevention sub-chamber 1011 located at the top of the third bracket 1020, and the leak prevention sub-chamber 1012 extending from the top of the third bracket 1020 towards the battery accommodation chamber. Referring further to Figure 20, correspondingly, the third bottom surface 1021 is formed by the first bottom surface portion 1023 and the second bottom surface portion 1024. The first bottom surface portion 1023 forms the bottom wall of the leak prevention sub-chamber 1011 , and the second bottom surface portion 1024 forms the bottom wall of the leak prevention sub-chamber 1012. The third collecting groove 1030 extends laterally along the first bottom surface portion

[0280] 1011 and the second bottom surface portion 1012.

[0281] To further increase the adsorption capacity for condensate, as a preferred embodiment, the present invention comprises the fourth collecting groove 1040 in the third leak prevention unit. Specifically, the fourth collecting groove 1040 is positioned on the peripheral wall 1025 of the third bracket 1020 and extends along the longitudinal direction of the system, where the peripheral wall 1025 forms the peripheral wall of the leak prevention sub-chamber 1012.

[0282] Preferably, the number of the forth collecting grooves can be multiple.

[0283] In a specific embodiment, the multiple forth collecting grooves are not interconnected.

[0284] In another specific embodiment, the multiple forth collecting grooves are interconnected, and adjacent forth collecting grooves are set at an angle to increase the adsorption capacity of the forth collecting grooves for condensate.

[0285] Preferably, the width of the opening of the forth collecting groove is greater than the width of the bottom of the forth collecting groove, facilitating the entry of condensate into the forth collecting groove.

[0286] Preferably, the forth collecting groove is a capillary groove. It can be understood that, due to its inherent characteristics, a capillary groove has a certain adsorption capacity for liquids. Adopting a capillary groove as the forth collecting groove can enhance its adsorption capacity for condensate.

[0287] It can be understood that, the controller comprises at least an airflow sensor (not shown in the figure). The peripheral wall 1025 has a through hole 1027 opening on the side wall near the function chamber 1026. The airflow sensor is located at the end of the through hole 1027 away from the leak prevention sub-chamber 1012. This configuration allows the leak prevention sub-chamber 1012 to communicate with the airflow sensor through the through hole 1027, forming a negative pressure chamber. The details of the functions related to the negative pressure chamber can be referred to in the existing technology, and they are not elaborated here. In this embodiment of the present invention, by configuring the leak prevention sub-chamber 1012 as a negative pressure chamber, the third bracket achieves both leak prevention and negative pressure chamber functions, thereby reducing the overall structure of the system.

[0288] To achieve the expected inspiratory resistance in the aerosol provision system while avoiding the influence of external factors, this embodiment of the present invention selectively sets air-cutting holes in the internal structure of the aerosol provision system. The air-cutting holes are in fluid communication with the internal air inlet passage and the aerosol passage of the atomization chamber. Specifically, the air inlet passage, air-cutting holes, and aerosol passage of the atomization chamber are in fluid communication along the airflow path.

[0289] As a preferred embodiment, in this embodiment of the present invention, the air-cutting holes can be positioned on the base component of the cartomizer or the top cover of the battery. The following explanation will use the example of setting the air-cutting holes on the base component of the cartomizer.

[0290] As shown in Figure 10, 12-14, the bottom component 350 of the atomizer has a bottom cover 353 of the atomization chamber that forms a second chamber 3533 away from the atomization chamber. The air-cutting holes 359 are opened on the side wall of the second chamber 3533, forming part of the airflow channel that connects the second chamber 3533 to the airflow channel. The airflow flux is minimized at the position of the air-cutting holes 359. Specifically, the axial direction of the air-cutting holes 359 is set at an angle to the length direction of the system, preferably perpendicular to the length direction of the system. The number of air-cutting holes 359 comprises at least two, and at least two air-cutting holes are spaced circumferentially along the periphery of the atomization chamber's bottom cover 353. The air-cutting holes 359 extend in a direction perpendicular to the length direction of the system, and the surfaces of the air-cutting holes 359 facing the side of the system shell have gaps between them and the system housing, allowing gas to pass through.

[0291] To facilitate quick and convenient disassembly from the housing for subsequent battery recycling, the present embodiment of the invention provides that the battery is detachable relative to the housing.

[0292] In a specific embodiment, as shown in Figure 21 , the system comprises a housing 100, a battery bracket 1100, and a housing bottom cover 1200. The interior of the housing 100 forms a battery accommodation chamber. The battery bracket 1100 is used to secure the battery, and the housing bottom cover 1200 is fixedly connected to the battery bracket 1100. Both the housing bottom cover 1200 and the battery bracket 1100 are detachably connected to the housing.

[0293] It is noted that in the present embodiment of the invention, there are no specific limitations on the structure and material of the battery bracket 1100. It only needs to achieve the function of fixing the battery component. In specific implementations, the battery bracket 1100 can be designed according to the actual product requirements. As an illustrative example and not a limitation, the battery bracket 1100 in the present embodiment could be a cylindrical structure with an internal space to accommodate the battery core, a frame structure with the battery core fixed in the frame, or a structural component set at the bottom of the battery, allowing the battery to be connected to the bottom cover through this component.

[0294] It can be understood that, in the present embodiment of the invention, the battery and the battery bracket 1100 can be permanently connected or detachably connected. In other words, when removing the battery bracket 1100 and the housing bottom cover 1200 from the housing, the battery can either be removed together with the battery bracket 1100 or removed separately after detaching the battery bracket 1100 and the housing bottom cover 1200. The specific configuration can be chosen based on the product requirements in actual applications.

[0295] As a preferred embodiment, in the present embodiment of the invention, the housing bottom cover 1200 and the battery bracket 1100 can be connected to the housing using a connecting component 1300. Specifically, the connecting component 1300 comprises mutually cooperating first connecting component 1310 and second connecting component 1320. The first connecting component 1310 is set on the housing, and the second connecting component 1320 is set on the housing bottom cover 1200 or the battery bracket 1100. The first connecting component 1310 and the second connecting component 1320 are detachably connected, thereby achieving a detachable connection between the housing bottom cover 1200, the battery bracket 1100, and the housing 100.

[0296] As a preferred embodiment, in the present embodiment of the invention, the first connecting component 1310 and the second connecting component 1320 are connected by a snap-fit. Specifically, one of the first connecting component 1310 and the second connecting component 1320 can be a connecting buckle, and the other can be a connecting hole that mates with the buckle. For example, the first connecting component 1310 can be a connecting buckle, and the second connecting component 1320 can be a connecting hole, or vice versa. It can be understood that, to achieve the snap-fit connection between the first connecting component 1310 and the second connecting component 1320, the connecting buckle can be an elastic element. The portion (i.e., connecting hole portion) of the housing 100, housing bottom cover 1200, or battery bracket 1100 connected to the connecting buckle can also be an elastic element, or both the connecting buckle and the connecting hole can be elastic elements, allowing for a detachable connection between the connecting buckle and the connecting hole.

[0297] As another preferred embodiment, in the present embodiment of the invention, the first connecting component and the second connecting component are connected by a threaded connection. Specifically, one of the first connecting component and the second connecting component can have internal threads, and the other can have external threads that mate with the internal threads.

[0298] In another specific embodiment, the housing of the aerosol provision system comprises a first housing and a second housing arranged along the length direction of the system. The first housing is located closer to the mouthpiece relative to the second housing. The second housing forms a battery accommodation chamber inside. The first housing and the second housing are detachably connected so that the second housing, which is used to accommodate the battery component, can be quickly and conveniently detached from the first housing, facilitating the subsequent recovery and processing of the battery component.

[0299] It is noted that in the embodiments of the present invention, there are no specific restrictions on the shape and material of the housing (comprising the first housing and the second housing). As an illustrative example, the housing in the embodiments of the present invention can be cylindrical in structure, and it can be made of metal or non-metal materials. The specific choice can be made based on the actual product requirements.

[0300] It can be understood that, in the embodiments of the present invention, the battery and the second housing can be either permanently connected or detachably connected. This means that when the second housing is detached from the first housing, the battery can either be removed along with the second housing or detached separately afterward. The specific choice can be made based on the product requirements in practical applications.

[0301] As a preferable embodiment, in the embodiments of the present invention, the first housing and the second housing can be connected through a connecting component. Specifically, the connecting component comprises mutually cooperating first and second connecting components, and the first and second connecting components can be detachably connected, thereby achieving a detachable connection between the first housing and the second housing.

[0302] As a preferable embodiment, in the embodiments of the present invention, the first housing has a first bracket, and the second housing has a second bracket. The first bracket and the second bracket can be any structural components inside the first housing or the second housing, and the present invention's embodiments do not specifically limit this.

[0303] In a specific embodiment, the first connecting component is set on the first housing, and the second connecting component is set on the second housing.

[0304] In another specific embodiment, the first connecting component is set on the first bracket, and the second connecting component is set on the second bracket.

[0305] In another specific embodiment, the first connecting component is set on the first housing, and the second connecting component is set on the second bracket.

[0306] In another specific embodiment, the first connecting component is set on the first bracket, and the second connecting component is set on the second housing.

[0307] As a preferred embodiment, the first connecting component and the second connecting component are connected by a buckle. Specifically, one of the first connecting component and the second connecting component can be a connecting buckle, and the other can be a connecting hole that complements the connecting buckle. That is, the first connecting component is a connecting buckle, and the second connecting component is a connecting hole, or the first connecting component is a connecting hole, and the second connecting component is a connecting buckle. It can be understood that, to achieve the buckle connection between the first connecting component and the second connecting component, the connecting buckle can be an elastic component, or the part (i.e. , the connecting hole part) of the housing, bottom cover, or battery bracket connected to the connecting buckle can be an elastic component, or both the connecting buckle and the connecting hole can be elastic components, allowing for a detachable connection between the connecting buckle and the connecting hole.

[0308] In one embodiment of the present invention, the above-mentioned first housing and second housing can be positioned similarly to the upper housing 110 and lower housing 120 mentioned above.

[0309] The aerosol-generating material in the present invention can take various forms. In one example, the aerosol-generating material can be liquid, gel, powder, particles, bulk filamentous materials such as tobacco, bulk fibrous materials, and the like. The common characteristic of these materials is that they are easily flowable, and their shapes are not fixed, requiring the shape of the accommodating chamber to define their shape. In another example, the aerosol-generating material can be a material with a fixed shape, such as a processed tobacco rod, which may contain multiple times the length or multiple times the effective substance of a traditional cigarette for use by the user in multiple puffing sessions.

[0310] To provide users with a puffing experience similar to traditional electronic cigarettes, the system in the present invention embodiment also comprises a puffing session control method for the system. Specifically, it comprise:

[0311] Firstly, determining the start of the puffing session. For example, the puffing session can be determined to start based on detecting the user's first puffing after the system is activated. Alternatively, after the system is activated and the first puffing session has ended, the start of a new puffing session can be determined based on detecting the user's first puffing after the previous puffing session has ended. In some embodiments, after determining the end of a puffing session, the system may enter a sleep mode. When the system has been in sleep mode for a preset time, it can be determined to initiate a new puffing session. Secondly, monitor puffing parameters related to the puffing behavior of the aerosol provision system during the puffing session. In traditional cigarettes, considering the user's health, a puffing session is limited by a single cigarette, and the cigarette contains aerosolgenerating material capable of producing a preset puffing amount. In this invention, parameters that can characterize the user's aerosol puffing amount are selected to determine the puffing session. These puffing parameters are related to the puffing behavior of the system, including the user's puffing behavior or the state exhibited by the system itself. Examples of puffing parameters comprise at least one of the following: the cumulative operating time of the system during a puffing session. the cumulative puffing time of the user during a puffing session. the cumulative number of puffing by the user during a puffing session. the cumulative aerosol production during a puffing session. the cumulative consumption of the article during a puffing session.

[0312] Finally, based on the puffing parameters, determine whether the puffing session has ended.

[0313] In one embodiment of the present invention, determining whether the puffing session has ended based on the puffing parameters comprises: detecting that the puffing parameters reach or exceed predetermined puffing parameter thresholds, or fall within the predetermined puffing parameter range, to determine the end of the puffing session.

[0314] For example, if the cumulative puffing count of the user reaches or exceeds the predetermined puffing count threshold, it indicates that the user has performed a sufficient number of puffing, and at this point, the end of the puffing session can be determined.

[0315] The present invention monitors puffing parameters during use, allowing for the determination of whether a puffing session has ended. This provides users with a puffing experience similar to traditional cigarettes, aligning with their usage habits and enhancing the overall user experience. Based on this, users can gain insights into the puffing session process and product consumption, facilitating timely feedback such as stopping puffing or replenishing products.

[0316] To make the end of a puffing session more clear to the user, in one embodiment of the present invention, the system also comprises indicating elements to provide an indication of the end of the puffing session.

[0317] Specifically, the indication element comprises at least one of the following: vibration component, configured to output an indication of the end of the puffing session through vibration. In one embodiment of the present invention, the vibration component may be configured to output the indication through at least two consecutive vibrations. More specifically, the vibration component may vibrate continuously for a preset time each time to output the indication. sound component, configured to output an indication of the end of the puffing session through sound; light-emitting component, configured to output an indication of the end of the puffing session through illumination; display screen component, configured to display an indication of the end of the puffing session on the display screen.

[0318] In one embodiment of the present invention, the indicating element mentioned above comprises a light-emitting component configured to output an indication of the end of the puffing session through at least one of the following: the light-emitting component flashes in a preset manner to output the indication of the end of the puffing session; for example, the light-emitting component flashes at a preset frequency or continuously for a preset time to output the indication of the end of the puffing session; the light-emitting component emits light of a preset color to output the indication of the end of the puffing session; a preset number of the light-emitting components are illuminated to output the indication of the end of the puffing session; the light-emitting components are illuminated in a preset sequence to output the indication of the end of the puffing session; the light-emitting component emits light of a preset brightness to output the indication of the end of the puffing session.

[0319] In one embodiment of the present invention, when the system can be used for multiple puffing sessions repeatedly, it is necessary for the user to be aware of the remaining battery level during the puffing session to provide timely feedback. The controller is configured to trigger an event based on the battery level indication and issue a remaining battery level indication command.

[0320] To perceive the remaining battery level trigger event, in one embodiment of the present invention, the system further comprises a touch element for receiving user touches to generate the remaining battery level trigger event. Additionally, the system comprises sensors for generating the remaining battery level trigger event based on sensing signals.

[0321] For example, the above-mentioned touch element comprises physical buttons and / or electronic interactive interfaces.

[0322] The above-mentioned indicating element is also configured to output an indication of the remaining battery level based on the remaining battery level indication command.

[0323] In one embodiment of the present invention, the indicating element comprises at least one of the following: a vibration component, configured to output an indication of the remaining battery level through vibration. a sound component, configured to output an indication of the remaining battery level through sound. a light-emitting component, configured to output an indication of the remaining battery level through illumination. a display screen component, configured to display an indication of the remaining battery level on the display screen.

[0324] For example, the indicating element comprises the light-emitting component configured to output the remaining battery level indication through at least one of the following: for different remaining battery levels, the light-emitting component performs different flickering to indicate different remaining battery levels. Specifically, the light-emitting component flickers at different frequencies or durations to indicate different remaining battery levels. for different remaining battery levels, the light-emitting component emits light of different colors to indicate different remaining battery levels, or a different number of light-emitting components are lit up to indicate different remaining battery levels, or the light-emitting components are lit up in a different order to indicate different remaining battery levels, or the light-emitting component emits light of different brightness to indicate different remaining battery levels.

[0325] The remaining battery level comprises indications for both when the battery is not depleted and when it is depleted. In one embodiment of the present invention, the indicating element comprises a first indicating element configured to output an indication of the remaining battery level when the battery is not depleted, and a second indicating element configured to output an indication of the remaining battery level when the battery is depleted.

[0326] The first indicating element and the second indicating element can be different. Alternatively, the first indicating element and the second indicating element can be the same, but the way they output the indication of the remaining battery level is different.

[0327] The indicating element comprises a third indicating element configured to output an indication of the end of the puffing session and a fourth indicating element configured to output an indication of the remaining battery level. The third indicating element and the fourth indicating element can be different, or the third indicating element and the fourth indicating element can be the same, but the way they output the indication is different.

[0328] As described above, there can be various ways to indicate the end of a puffing session and the remaining battery level in the system. Here are examples of some of the methods:

[0329] In one embodiment, the system has a light-emitting component that flashes to indicate the end of the puffing session.

[0330] In one embodiment, the system has light-emitting components of different colors. Different colors are lit to indicate different levels of remaining battery, such as the first color indicating the first level of remaining battery, the second color indicating the second level of remaining battery, and so on. The light-emitting component can also blink for a certain duration to indicate a depleted battery and blink for another duration to indicate the end of the puffing session.

[0331] In one embodiment, the system has multiple light-emitting components, which can be of the same color. Different levels of remaining battery are indicated by lighting up a different number of light-emitting components. For example, lighting up one light-emitting component indicates the first level of remaining battery, lighting up two light-emitting components indicates the second level, lighting up three light-emitting components indicates the third level, and so on. The light-emitting components can blink for a certain duration to indicate a depleted battery and blink for another duration to indicate the end of the puffing session.

[0332] In one embodiment, the system comprises a vibration component and multiple lightemitting components, which can be of the same color. Different levels of remaining battery are indicated by lighting up a different number of light-emitting components. For example, lighting up one light-emitting component indicates the first level of remaining battery, lighting up two indicates the second level, lighting up three indicates the third level, and so on. The lightemitting components can blink for a certain duration to indicate a depleted battery, and the vibration component can vibrate to indicate the end of the puffing session, such as vibrating continuously two times, each time lasting for a certain duration.

[0333] In one embodiment, the system comprises a vibration component, a touch element, and multiple light-emitting components, which can be of the same color. The user can trigger the battery indication by operating the touch element (such as a physical button or electronic button). Different levels of remaining battery are indicated by lighting up a different number of light-emitting components. For example, lighting up one light-emitting component indicates the first level of remaining battery, lighting up two indicates the second level, lighting up three indicates the third level, and so on. The light-emitting components can blink for a certain duration to indicate a depleted battery, and the vibration component can vibrate to indicate the end of the puffing session, such as vibrating continuously two times, each time lasting for a certain duration.

[0334] In one embodiment, the system comprises an electronic display screen that can digitally display the remaining battery level. The screen can flash to indicate the end of the puffing session.

[0335] It is noted that, to further save costs and reduce the system's volume, the indicating elements mentioned above can also serve as indicators for other system states, such as power-on, charging, etc.

[0336] In one embodiment of the present invention, there is a preset time interval between the indicating element's output of the end of the puffing session indication and the remaining battery level indication, allowing users to accurately recognize each indication.

[0337] In one embodiment of the present invention, the system also comprises a timer used to time various relevant times of the indicating elements' output, such as vibration time, duration of each indication, interval time between different indications, etc. This allows the controller to base the indicating element's indication frequency and / or duration of output indications on the timer.

[0338] In one embodiment of the present invention, the system comprises a heater configured to remain in a non-heating state or transition from a heating state to a non-heating state when outputting an indication of the end of the puffing session or indicating the remaining battery level. This is designed to address the challenge of users finding it difficult to focus on the indications while puffing, reducing the likelihood of user misinterpretation of the indications.

[0339] 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.

[0340] 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.

[0341] 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.

[0342] 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. An aerosol provision system, wherein the system comprises: a housing; a mouthpiece connected to one end of the housing in the length direction, the mouthpiece equipped with an air outlet; wherein the housing has a geometric center in the length direction, with the center of gravity located at the geometric center or between the geometric center and the mouthpiece.

2. The aerosol provision system according to claim 1 , wherein the housing comprises: a battery, configured to provide power; a containment chamber, configured to house aerosol-generating material; a cartomizer, defining an atomization chamber with a heating component inside to heat the aerosol-generating material; and electrodes, configured to deliver power from the battery to the heating component; wherein the position of at least one of the battery, the containment chamber, the cartomizer, and the electrodes is set such that the center of gravity of the system is located at the geometric center or between the geometric center and the mouthpiece.

3. The aerosol provision system according to claim 2, wherein the battery is positioned closer to the mouthpiece relative to the cartomizer.

4. The aerosol provision system according to claim 3, wherein the battery is at least partially located between the geometric center and the mouthpiece; and / or the cartomizer is at least partially located between the end of the system away from the mouthpiece and the geometric center.

5. The aerosol provision system according to claim 2, wherein the containment chamber is configured to be at least partially located between the geometric center and the mouthpiece.

6. The aerosol provision system according to claim 5, wherein the center of gravity of the system in the empty state is located at the geometric center or between the geometric center and the mouthpiece.

7. The aerosol provision system according to claim 2, wherein the containment chamber is configured to be at least partially located between the end of the system away from the mouthpiece and the geometric center.

8. The aerosol provision system according to claim 7, wherein the center of gravity of the system in the full state is located at the geometric center or between the geometric center and the mouthpiece.

9. The aerosol provision system according to claim 1 , wherein the mouthpiece comprises: a component defining the air outlet passage, with the air outlet set therein; and a skin-friendly layer surrounding the periphery of the component for contact with a user's mouth during puffing.

10. The aerosol provision system according to claim 9, wherein the skin-friendly layer is a silicone layer; or the skin-friendly layer includes a liquid-absorbing cotton and a polypropylene wrapping layer sequentially arranged in the direction away from the component.

11. The aerosol provision system according to claim 1 , wherein the mouthpiece is cylindrical and / or the housing is cylindrical.

12. The aerosol provision system according to claim 1 , wherein the housing has a top cover near the end of the mouthpiece, with the top cover having an air inlet configured to introduce external airway into the housing.

13. The aerosol provision system according to claim 2, wherein the inside of the housing forms a battery accommodation chamber; a battery bracket for securing the battery; the system also includes a housing bottom cover, fixedly connected to the battery bracket, and the housing bottom cover and the battery bracket are detachably connected to the housing.

14. The aerosol provision system according to claim 2, wherein the housing comprises a first housing and a second housing arranged along the length direction of the system, with the first housing set closer to the mouthpiece relative to the second housing, the second housing forming a battery accommodation chamber, and the first housing being detachably connected to the second housing.

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