Heater assemblies suitable for an aerosol provision system having at least two atomization modes, and an aerosol provision system

Abstract

A heating assembly for an aerosol provision system comprises: at least two heater assemblies, each corresponding to an atomization mode and configured to heat aerosol-generating material within the system to generate aerosol in the respective atomization mode; wherein the heater assemblies corresponding to different atomization modes comprise different energy densities.

Description

[0001] HEATER ASSEMBLIES SUITABLE FOR AN AEROSOL PROVISION SYSTEM HAVING AT LEAST TWO ATOMIZATION MODES, AND AN AEROSOL PROVISION SYSTEM

[0002] Technical Field

[0003] This invention is related to the field of aerosol provision, particularly relating to heater assemblies, an aerosol provision system and a control method for the 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 puffs.

[0006] An aerosol provision system generally comprises a housing, a containment chamber within the housing, a cartomizer, a power source, and a controller. The containment chamber serves to contain the aerosol-generating material. The cartomizer comprises an atomization chamber and a heater assembly located in the chamber.

[0007] It is understood that in aerosol-generating materials such as e-liquids, some components may carbonize at high temperatures, leading to carbon deposition on the heater assembly and affecting its performance. There are a variety of e-liquids on the market to satisfy different user preferences, each with different components that can result in varying amounts of carbon deposition when vaporized at high temperatures. For instance, e-liquids with a higher sugar content tend to produce more carbon buildup. Accordingly, different atomization modes are needed for e-liquids with varying levels of carbon deposition. For e-liquids prone to carbonization, a low-energy atomization mode might be used, while e-liquids less prone to carbonization might use a high-energy mode. Additionally, achieving the optimal atomization state for different e-liquid compositions also necessitates varying the energy levels of the atomization mode. Even with the same e-liquid, users seeking different inhalation experiences, such as those preferring high or low concentration aerosols, will require different energy levels in the atomization mode. Current aerosol provision systems typically have either a single heater assembly or two identical ones for redundancy in case one fails. Regardless of having one or two identical elements, they provide the same energy output at a given power supply. Using the same heater assembly at different power levels to achieve varying energy outputs might lead to mismatch issues, potentially damaging the elements or failing to reach the optimal atomization state. Thus, the existing heater assembly in these systems do not fully meet the needs of different atomization modes.

[0008] Therefore, there is an urgent need for a new technical solution to address one or more of these technical issues.

[0009] Summary of Invention

[0010] This invention aims to solve at least one of the technical issues present in the existing technology. Therefore, this invention discloses a heating assembly for an aerosol provision system, an aerosol provision system and a control method for the aerosol provision system to address the existing technological issue that the existing heater assembly can not fully meet the needs of different atomization modes.

[0011] The first aspect of an embodiment of this invention discloses a heating assembly for an aerosol provision system having at least two atomization modes, wherein the heating assembly comprises: at least two heater assemblies, each corresponding to an atomization mode and configured to heat the aerosol-generating material within the system to generate aerosol in the respective atomization mode; the heater assemblies corresponding to different atomization modes obtain different energy densities.

[0012] In one embodiment of the heating assembly for the aerosol provision system, each heater assembly comprises a heating main body for generating aerosol and an extension part connected to the heating main body; wherein the resistance of the heating main body forms the effective heating resistance of the heater assembly, the area occupied by the heating main body serves as the effective heating area of the heater assembly, and the surface area of the resistance of the heating main body forms the effective atomization surface area of the heater assembly; and wherein the energy density obtained by the heating main body is taken as the energy density obtained by the heater assembly.

[0013] In one embodiment of the heating assembly for the aerosol provision system, the energy density of the heater assemblies is made different by configuring at least one of the resistance parameters, atomization surface area, and heating area parameters of the heater assembly: i) different resistance parameters of the heater assembly, comprising at least one of the following different parameters: different resistance of the heater assembly; different effective heating resistance; and different proportion of effective heating resistance; ii) different atomization surface areas of the heater assembly, comprising at least one of the following different parameters: different effective atomization surface area; different cross-sectional area of the heating main body; and different unit surface area of the heating main body; iii) different heating area parameters of the heater assembly, comprising at least one of the following different parameters: different heating area occupied by the heater assembly; different effective heating area; and different proportion of effective heating area.

[0014] In one embodiment of the heating assembly for the aerosol provision system, each the heater assembly comprises a heating wire, wherein the different effective atomization surface areas of the heater assembly comprise different cross-sectional areas and / or lengths of the heating wire.

[0015] In one embodiment of the heating assembly for the aerosol provision system, each heater assembly comprises a heating wire, wherein the different resistances of the heater assembly comprise different lengths and / or resistivities and / or cross-sectional areas of the heating wire.

[0016] In one embodiment of the heating assembly for the aerosol provision system, when the resistance of the heater assembly is consistent, the heater assembly comprises three first parameters: the proportion of effective heating resistance, effective atomization surface area, and effective heating area.

[0017] In one embodiment of the heating assembly for the aerosol provision system, the heater assembly with higher energy density has a higher proportion of effective heating resistance than the heater assembly with lower energy density.

[0018] In one embodiment of the heating assembly for the aerosol provision system, the heater assembly with higher energy density has a smaller effective atomization surface area than the heater assembly with lower energy density.

[0019] In one embodiment of the heating assembly for the aerosol provision system, the heater assembly with higher energy density has a smaller effective heating area than the heater assembly with lower energy density.

[0020] In one embodiment of the heating assembly for the aerosol provision system, the heating main body of the heater assembly comprises a heating wire constituting the effective heating resistance; the heater assembly comprises four second parameters: the cross-sectional area of the heating wire of the heating main body, the length of the heating wire of the heating main body, the resistivity of the heating main body, and the resistivity of the extension part; when the resistance of the heater assembly is consistent, different proportions of effective heating resistance of the heater assembly are achieved by configuring at least one of the second parameters differently.

[0021] In one embodiment of the heating assembly for the aerosol provision system, the heating wire of the heating main body of the heater assembly with higher energy density has a smaller cross-sectional area than the heating wire of the heating main body of the heater assembly with lower energy density.

[0022] In one embodiment of the heating assembly for the aerosol provision system, the heating wire of the heating main body of the heater assembly with higher energy density has a greater length than the heating wire of the heating main body of the heater assembly with lower energy density.

[0023] In one embodiment of the heating assembly for the aerosol provision system, the heating main body of the heater assembly with higher energy density has a higher resistivity than the heating main body of the heater assembly with lower energy density.

[0024] In one embodiment of the heating assembly for the aerosol provision system, the extension part of the heater assembly with higher energy density has a lower resistivity than the extension part of the heater assembly with lower energy density.

[0025] In one embodiment of the heating assembly for the aerosol provision system, the material of the extension part of the heater assembly with higher energy density is nickel; and / or the material of the heating main body of the heater assembly with higher energy density comprises at least one of iron-chromium-aluminum, nickel-chromium, stainless steel, and titanium alloy.

[0026] In one embodiment of the heating assembly for the aerosol provision system, the heater assembly comprises a heating main body heating wire constituting the effective heating resistance, and the heater assembly comprises two third parameters: the cross-sectional area and the length of the heating main body heating wire; and the different effective atomization surface areas of the heater assembly are achieved by configuring at least one of the third parameters differently.

[0027] In one embodiment of the heating assembly for the aerosol provision system, the heating main body heating wire of the heater assembly with higher energy density has a smaller cross-sectional area than that of the heater assembly with lower energy density.

[0028] In one embodiment of the heating assembly for the aerosol provision system, the heating main body heating wire of the heater assembly with higher energy density has a shorter length than that of the heater assembly with lower energy density.

[0029] The second aspect of an embodiment of this invention discloses an aerosol provision system, the system has at least two atomization modes, and the system comprises: a housing, configured to receive aerosol-generating material; at least two heater assemblies, each corresponding to an atomization mode and configured to heat the aerosol-generating material within the system to generate aerosol in the respective atomization mode, with the two heater assemblies corresponding to different atomization modes having different energy densities; a controller, configured to select at least one of the heater assemblies for heating based on the received atomization mode selection instruction; and a power source, configured to supply power to the heater assemblies under the control of the controller. In one embodiment of the aerosol provision system, the system has at least two atomization modes, and the system comprises that the at least two atomization modes comprise at least two power settings; the heater assembly with higher energy density corresponds to a higher power setting, and the heater assembly with lower energy density corresponds to a lower power setting; the controller is configured to select the heater assembly with higher energy density for heating upon receiving a selection instruction for the higher power setting; and the controller is configured to select the heater assembly with lower energy density for heating upon receiving a selection instruction for the lower power setting.

[0030] In one embodiment of the aerosol provision system, the system comprises three power settings, with the highest power setting being the sum of the other two settings; and the controller is configured to select both heater assemblies for heating upon receiving a selection instruction for the highest power setting.

[0031] In one embodiment of the aerosol provision system, the atomization mode selection instruction is generated based on user input or signals monitored by sensors.

[0032] In one embodiment of the aerosol provision system, the heating assembly is as described in the first aspect.

[0033] The third aspect of an embodiment discloses an aerosol provision system, the system having at least two atomization modes, with the at least two atomization modes corresponding to at least two power settings; and the system comprises a heating assembly as described in the first aspect; and the heater assembly with higher energy density corresponds to a higher power setting, and the heater assembly with lower energy density corresponds to a lower power setting.

[0034] The fourth aspect of an embodiment discloses an aerosol provision system, the system having at least two atomization modes; the system comprising a heating assembly as described in the first aspect; and the heater assemblies with different energy densities having the same power setting.

[0035] In one embodiment of the aerosol provision system as described in the second, third and / or fourth aspects, the system comprises: a housing, equipped with a containment chamber; and aerosol-generating material contained within the containment chamber.

[0036] The fifth aspect of an embodiment discloses a control method for an aerosol provision system comprising at least two heater assemblies corresponding to different atomization modes; and the method comprises: receiving an atomization mode selection instruction and selecting at least one of the corresponding heater assemblies for heating based on the instruction; the different heater assemblies corresponding to different energy densities.

[0037] In one embodiment of a control method for an aerosol provision system, the system referred to is the aerosol provision system provided in the second, third, and / or fourth aspects as previously described.

[0038] In this embodiment of this invention, at least two heater assemblies are installed, each capable of achieving different energy densities when powered. This design caters to various atomization modes of the system, ensuring optimal vaporization performance across different modes and enhancing user experience. Heater assemblies with different energy densities correspond to distinct atomization modes. This also allows for better matching between the heater assemblies, e-liquid, and power supply, avoiding issues like carbon buildup and damage from excessive power, thereby improving the system's lifespan.

[0039] 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.

[0040] Brief description of the drawings

[0041] 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:

[0042] Figure 1 shows a three-dimensional structure diagram of the heater assembly for the aerosol provision system provided by the embodiment of this invention.

[0043] Figures 2-4 are the schematic diagrams of the heater assembly structure for the aerosol provision system provided by the embodiment of this invention.

[0044] Figure 5 is a schematic diagram of the structure of the aerosol provision system provided by the embodiment of this invention.

[0045] Figure 6 is a flowchart of the control method for the aerosol provision system provided by the embodiment of this invention.

[0046] Description of drawing labels:

[0047] 300: Aerosol Provision System; 341 : heater assembly; 3410: Heating Main Body; 3412, 3413: Extension Parts; 34121 , 34131 : Fixed Parts; 34122, 34132: Pin; 342: Power Source; 343: Controller.

[0048] Detailed description

[0049] 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.

[0050] 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 aerosol-generating 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.

[0051] 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.

[0052] 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.

[0053] 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.

[0054] 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.

[0055] In some embodiments, the delivery system is a non-combustible aerosol provision system, such as a powered non-combustible aerosol provision system.

[0056] 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.

[0057] In some embodiments, the non-combustible aerosol provision system is an aerosol-generating material heating system, also known as a heat-not-burn system. An example of such a system is a tobacco heating system.

[0058] In some embodiments, the non-combustible aerosol provision system is a hybrid system to generate aerosol using a combination of aerosol-generating materials, one or a plurality of which may be heated. Each of the aerosol-generating materials may be, for example, in the form of a solid, liquid or gel and may or may not contain nicotine. In some embodiments, the hybrid system comprises a liquid or gel aerosol-generating material and a solid aerosol-generating material. The solid aerosol-generating material may comprise, for example, tobacco or a non-tobacco product.

[0059] 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.

[0060] In some embodiments, the disclosure relates to consumables comprising aerosol-generating material and configured to be used with non-combustible aerosol provision devices. These consumables are sometimes referred to as articles throughout the disclosure.

[0061] 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.

[0062] 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.

[0063] 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 aerosol-modifying agent.

[0064] 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.

[0065] 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 aerosol-former materials, and / or one or more other functional materials.

[0066] 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.

[0067] In some embodiments, the active substance comprises nicotine. In some embodiments, the active substance comprises caffeine, melatonin or vitamin B12.

[0068] 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.

[0069] 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.

[0070] 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, Mentha longifolia, Mentha suaveolens variegata, Mentha pulegium, Mentha spicata c.v. and Mentha suaveolens.

[0071] 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.

[0072] 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.

[0073] 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.

[0074] 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.

[0075] 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. 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.

[0076] 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 materials

[0077] 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.

[0078] The one or more other functional materials may comprise one or more of pH regulators, colouring agents, preservatives, binders, fillers, stabilizers, and / or antioxidants.

[0079] 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.

[0080] A consumable is an article comprising or consisting of aerosol-generating material, part or all of which is intended to be consumed during use by a user. A consumable may comprise one or more other components, such as an aerosol-generating material storage area, an aerosol-generating material transfer component, an aerosol generation area, a housing, a wrapper, a mouthpiece, a filter and / or an aerosol-modifying agent. A consumable may also comprise an aerosol generator, such as a heater, that emits heat to cause the aerosol-generating material to generate aerosol in use. The heater may, for example, comprise combustible material, a material heatable by electrical conduction, or a susceptor.

[0081] 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.

[0082] 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 aerosol-modifying agent may, for example, be a solid, a liquid, or a gel. The aerosol-modifying agent may be in powder, thread or granule form. The aerosol-modifying agent may be free from filtration material.

[0083] 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 aerosol-generating 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.

[0084] 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.

[0085] 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. 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.

[0086] As described in the background technology, current aerosol provision systems are equipped with heater assemblies that only meet the requirements of a single atomization mode. This embodiment of the invention innovatively proposes using multiple heater assemblies capable of achieving different energy densities when powered, to cater to various atomization modes of the system. These modes may include different e-liquids requiring varying energy levels due to carbon buildup, reaching optimal vaporization states, or catering to different user preferences for aerosol density. The matching of different atomization modes with appropriate energy densities allows for optimal vaporization in any mode, enhancing user experience. Furthermore, using heater assemblies with varying energy densities ensures better compatibility with different e-liquids and power supply levels, preventing issues like carbon buildup or damage from excessive power, thereby extending the system's lifespan. A heating assembly may comprise at least two heater assemblies.

[0087] The following sections will detail specific embodiments of the invention, focusing on the heater assemblies of the aerosol provision system and the structure of the aerosol provision system itself. These embodiments will provide a comprehensive understanding of the invention's design and functionality. Embodiment one

[0088] Figure 1 is a three-dimensional structure of an example heater assembly in the aerosol provision system of this invention. Referring to Figure 1 , the heater assembly 341 comprises a heating main body 3410 for generating aerosol and extension parts 3412 and 3413 connected to the heating main body 3410. The heating main body 3410 is designed to heat the aerosol-generating material within the system to produce aerosol. The extension parts 3412 and 3413 are configured to electrically connect with the power source electrodes of the system to supply power to the heating main body 3410. The resistance of the heater assembly 341 mainly consists of the heating main body 3410 and the extension parts 3412 and 3413. Although the extension parts 3412 and 3413 generate heat when powered, their primary function is electrical connection, not heating the aerosol-generating material. Therefore, in this embodiment, the resistance of extension parts 3412 and 3413 is considered as the ineffective heating resistance of the heater assembly 341 , their area as the ineffective heating area, and the energy they produce as the ineffective energy of the heater assembly 341. The heating main body 3410 provides the necessary energy for heating the aerosol-generating material. In this embodiment, the resistance of the heating main body 3410 is the effective heating resistance of the heater assembly 341 , the area enclosed by the heating main body 3410 is the effective heating area, the surface area of the heating main body 3410's resistance is the effective atomization surface area, and the energy density obtained by the heating main body 3410 is the energy density obtained by the heater assembly 341.

[0089] It is important to note in this embodiment of the invention that the energy density of the heater assembly refers to the energy provided to the aerosol-generating material per unit area by the heat generated in the enclosed area formed by the heater assembly. A higher energy density in the heater assembly means higher temperatures can be achieved in the aerosol-generating material, resulting in more aerosol production but also potentially more carbon buildup. The invention can specifically design heater assemblies with appropriate energy densities based on the needs of various vaporization modes. For example, using lower energy density heater assembly for e-liquids prone to high carbon buildup, reducing the heating temperature to lessen carbon deposits, or using higher energy density elements for e-liquids requiring more power for effective atomization.

[0090] The energy density of a component is determined by its accessible power and surface area. In this invention, the energy density of the heater assembly specifically refers to that of its heating main body. Besides the overall power and area of the heater assembly, its energy density is also related to the effective heating resistance, effective atomization surface area, and effective heating area of the heating main body. The size of the power is linked to the supplied power and the resistance settings. Hence, the energy density of the heater assembly is influenced by the external power supply and its own resistance parameters, atomization surface area, and heating area parameters. In this embodiment, varying the energy density of the heater assembly can be achieved by adjusting at least one of these parameters: external power supply, resistance, atomization surface area, or heating area.

[0091] In one embodiment of the invention, different resistance parameters are configured for the heater assemblies to achieve varying energy densities. These varying resistance parameters could comprise different overall resistances of the heater assemblies and / or different effective heating resistances and / or different proportions of effective heating resistance. Different resistance parameters can lead to corresponding differences in power. When the supplied power and area parameters are the same or reasonably set, varying the resistance parameters can achieve different energy density settings.

[0092] Setting different resistances for the heater assemblies, while keeping other factors like power supply, surface area, and resistance proportion constant, the atomization power obtained by each heater assembly varies. This variation in atomization power directly affects the heating main body of each element, leading to different energy densities in the heater assemblies. This means that each element can provide varying levels of heat to the aerosol-generating material, depending on its resistance setting.

[0093] Setting different effective heating resistances in heater assemblies, while keeping the power supply, overall heater resistance, and area of each part constant, results in the same atomization power for the heater assemblies but different atomization powers for the heating main body parts. This leads to variations in the energy density of the heater assemblies. It is understood that even with differing conditions, different energy densities can be achieved. For example, a heater assembly with a higher effective heating resistance and smaller effective atomization surface area will have a greater energy density compared to one with lower effective heating resistance and larger effective atomization surface area, assuming other conditions are the same.

[0094] Setting different proportions of effective heating resistance, while keeping the power supply, overall resistance, and the area of respective parts constant, the heater assembly will achieve the same overall atomization power. However, the atomization power within the heating main body will differ, leading to variations in the energy density of these main body parts. This approach allows for fine-tuning the heater assembly's performance to suit different atomization requirements.

[0095] In one embodiment of this invention, the heater assembly comprises a heating wire. The different resistance parameters of the heater assembly can be achieved through various means, such as using heating wires of different lengths, different resistivities, or different cross-sectional areas.

[0096] Under the premise of other conditions being the same, the resistance of a heating wire increases with its length, decreases in cross-sectional area, or increases in resistivity. In this embodiment of the invention, at least one of these parameters can be adjusted to set different resistance parameters for different heater assemblies.

[0097] In one embodiment of this invention, the heating main body of the heater assembly comprises a heating wire that constitutes the effective heating resistance. The heater assembly encompasses four secondary parameters: the cross-sectional area of the heating main body wire, the length of the heating main body wire, the resistivity of the heating main body, and the resistivity of the extension parts. When the overall resistance of the heater assembly is consistent, different proportions of effective heating resistance are achieved by varying at least one of these secondary parameters. In one embodiment, the heater assembly with a higher energy density is designed with a smaller cross-sectional area for its heating wire compared to the heater assembly with a lower energy density. A smaller cross-sectional area, given other conditions being equal, results in a greater effective heating resistance. This increase in effective resistance proportion leads to higher vaporization power and, consequently, higher energy density.

[0098] In one embodiment, a heater assembly with higher energy density is configured with a heating wire in its heating main body that is longer than the one in the heater assembly with lower energy density. Under the same conditions, a greater length of the heating wire increases the effective heating resistance and its proportion, resulting in a higher vaporization power, thereby enhancing the energy density.

[0099] In one embodiment, the heater assembly with higher energy density has a heating main body with a higher resistivity than that of the heater assembly with lower energy density. A higher resistivity in the heating main body, given other conditions being equal, results in a greater effective heating resistance, thereby increasing the proportion of effective resistance.

[0100] In an embodiment, the heater assembly with a higher energy density has a lower resistivity in its extension parts compared to the heater assembly with lower energy density. Under the same conditions, a lower resistivity in the extension parts results in less ineffective heating resistance, thus increasing the proportion of effective resistance.

[0101] In one embodiment, the heater assembly with higher energy density has extension parts made of nickel, and / or the heating main body is made of materials such as iron-chromium-aluminum, nichrome, stainless steel, or titanium alloy. This composition aims to achieve a higher resistivity for the heating main body and a lower resistivity for the extension parts.

[0102] To achieve different resistivities, an embodiment of this invention suggests configuring at least a part of one extension part as the first segment, with the resistivity of this first segment being lower than that of the heating main body. The inclusion of the first segment helps reduce ineffective heating resistance and increases the proportion of effective heating resistance. This configuration not only achieves different energy densities but also reduces ineffective power consumption, thus minimizing energy wastage.

[0103] As shown in Figures 1-4, several configurations for the first segment are provided. In these figures, the extension part 3412 includes a fixed part 34121 and a pin 34122; similarly, the extension part 3413 comprises a fixed part 34131 and a pin 34132. In this embodiment of the invention, one can choose to form either a part or the entirety of one extension part, or parts or the entirety of both extension parts, as the first segment. The first segment is represented by the thinner sections in the diagrams.

[0104] In one embodiment of this invention, only the pin of one extension part is formed as the first segment. In this configuration, the fixed part of that extension and the entirety of the other extension part are not considered as part of the first segment.

[0105] As shown in Figure 1 , only the pin 34122 of the extension part 3412 is formed as the first segment. The fixed part 34121 of the extension part 3412 and the other extension part 3413 are designed to integrate with the heating main body 3410, providing better support to prevent deformation of the mesh-like heating main body 3410. In this setup, the material of the fixed part 34121 in the extension part 3412 is different from that of the pin 34122, making it challenging to mold them as a single unit. The pin 34122, which is the first segment, can be connected to the fixed part 34121 using methods like snap-fitting, press-fitting, or welding.

[0106] In one embodiment where only the pin of the extension part forms the first segment, and the fixed part does not, their cross-sectional shapes can be different. For example, the fixed part might have a rectangular cross-section, while the first segment could be circular. The shape of the fixed part's cross-section is designed to facilitate integration with the heating main body and to provide better support.

[0107] In one embodiment of this invention, one of the extension parts of the heater assembly, comprising both the pin and the fixed part, forms the first segment. The other extension part is not part of the first segment. As shown in Figure 2, the fixed part 34121 and the pin 34122 of one extension part 3412 of the heater assembly 341 form the first segment together. The other extension part 3413 is not included in the first segment. The fixed part and pin forming the first segment can be molded as one unit, eliminating the need for a separate connection. The fixed part can then be connected to the heating main body 3410 using methods like snap-fitting, press-fitting, or welding. The extension part that does not form the first segment can be integrated with the heating main body to provide better support and prevent deformation of the mesh-like heating main body.

[0108] In the heater assembly, the lengths of the pins in different extension parts can vary. As shown in Figure 1 , the heater assembly 341 is flat, and at least one of the two extension parts 3412, 3413 is semi-encircling, positioned around the periphery of the heating main body 3410. Preferably, both extension parts 3412, 3413 are semi-encircling and set around the heating main body's periphery, defining the enclosure space for the heating main body 3410. The semi-encircling shape is depicted as an L-shape in Figure 1 , with the first segment forming part of this semi-encircling structure.

[0109] In the semi-encircling structure mentioned, the length of the pin 34122 in the extension part 3412 is greater than the length of the pin 34132 in the extension part 3413. In this embodiment of the invention, it's preferable to select the pin 34122 of the extension part

[0110] 3412, or both the pin 34122 and the fixed part 34121 of the extension part 3412, to form the first segment. This configuration aims to effectively reduce the ineffective resistance, thereby increasing the reduction in ineffective power consumption. Similarly, in non-encircling embodiments of this invention, longer pins could be chosen to form the first segment.

[0111] In one embodiment of this invention, the pins of both extension parts of the heater assembly are formed as the first segment. As shown in Figure 3, the pin 34122 of the extension part 3412 and the pin 34132 of the extension part 3413 of the heater assembly 341 constitute the first segment. The fixed parts 34121 and 34131 of the extension parts 3412 and

[0112] 3413, respectively, are not part of the first segment. This configuration allows the fixed parts of both extensions to be integrated with the heating main body, providing better support from different directions and positions, thus preventing deformation of the mesh-like heating main body. In alternative embodiments, the fixed part of one of the extension parts could also form part of the first segment.

[0113] In one embodiment of this invention, both the pins and fixed parts of the two extension sections of the heater assembly form the first segment. As shown in Figure 4, the pin 34122 and fixed part 34121 of extension part 3412, and the pin 34132 and fixed part 34131 of extension part 3413 of heater assembly 341 , all constitute the first segment. This configuration allows for a substantial reduction in ineffective resistance, consequently lowering ineffective power consumption.

[0114] It is important to note that when the heating main body is mesh-like, the extension parts also serve a supporting role. In setting up the first segment, this invention considers balancing the reduction of ineffective resistance with the support function. For example, configuring only part of the extension parts as the first segment allows the remaining parts to maintain good support. Additionally, other methods can be employed to enhance support while maximizing the first segment setup, aiming to reduce ineffective resistance and minimize power wastage as much as possible.

[0115] In one embodiment of this invention, the first segment is made from a material with a uniform resistivity, ensuring that each part of the first segment has the same resistance. This uniformity simplifies the manufacturing process of the first segment.

[0116] In an alternative embodiment, the first segment can consist of at least two sections with varying resistivities, each lower than the resistivity of the heating main body.

[0117] In one embodiment of this invention, the cross-section area of the first section is circular or rectangular.

[0118] In one embodiment of this invention, the atomization surface area of the heater assembly is configured differently to achieve different energy density settings. Differences in the atomization surface area of the heater assembly comprise at least one of the following parameters being different: different effective atomization surface areas and / or different cross-sectional areas of the heater assembly body and / or different unit surface areas of the heater assembly body.

[0119] If different effective atomization surface areas are set, under other identical conditions (with the same atomization power obtained by the heater assembly), different effective atomization surface areas correspond to different energy densities. A smaller effective atomization surface area results in a higher energy density.

[0120] If different cross-sectional areas of the heater assembly are set to achieve different effective atomization surface areas, under other identical conditions (with the same length of the heater assembly and the same atomization power obtained by the heater assembly), different cross-sectional areas correspond to different energy densities. A smaller cross-sectional area results in a smaller effective atomization surface area and a higher energy density.

[0121] In one embodiment of this invention, the heater assembly comprises a heating wire, wherein the different effective atomization surface areas of the heater assembly include 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 larger effective atomization surface area of the heater assembly.

[0122] In one embodiment of this invention, the heater assembly comprises a heating wire that forms an effective heating resistance. The different effective atomization surface areas of the heater assembly are achieved by configuring at least one of the third parameters differently, which comprises the cross-sectional area of the heating wire and the length of the heating wire in the heater assembly.

[0123] In one embodiment of this invention, the heater assembly with a higher energy density may have a smaller cross-sectional area of the heating wire in the heater assembly compared to the heater assembly with a lower energy density. Under other conditions, including equal resistance of various parts, a smaller cross-sectional area results in a smaller effective atomization surface area, thereby increasing the energy density.

[0124] In another embodiment of this invention, the heater assembly with a higher energy density may have a shorter length of the heating wire in the heater assembly compared to the heater assembly with a lower energy density. Under other conditions, including equal resistance of various parts, a shorter length results in a smaller effective atomization surface area, thereby reducing the energy density. As shown in Figure 1 , the length of the heating wire in the heater assembly can be adjusted by setting different numbers of rhombus-shaped mesh holes.

[0125] It should be noted that the configuration of the above-mentioned parameters needs to be combined with the sameness of other parameters or reasonable adjustments of other parameters in order to ultimately achieve different energy densities.

[0126] In one embodiment of this invention, the heater assembly's heating area parameters are configured differently to achieve different energy density settings. These heating area parameters comprise differences in the heating area occupied by the heater assembly, differences in effective heating area, and differences in the proportion of effective heating area.

[0127] If the heater assembly's heating area occupied by the heater assembly is set differently, under the same conditions (with the heater assembly obtaining the same atomization power and the same proportion of effective heating area), the energy density of the heater assembly varies. A larger heating area results in lower energy density.

[0128] If the heater assembly's effective heating area occupied by the heater assembly is set differently, under the same conditions (with the heater assembly obtaining the same atomization power), different effective heating areas correspond to different energy densities. A smaller effective heating area results in higher energy density.

[0129] When the heater assembly is a mesh structure as shown in Figure 1 , the variation in the size of the effective heating area can be achieved by compressing or stretching the size of the central mesh holes.

[0130] In one embodiment of this invention, the resistances of different heater assemblies are consistent. This means that under the same supply power, the atomization power of the heater assembly is the same. In this case, energy density can be adjusted by varying parameters of the heater assembly portion, such as the atomization power obtained by the heater assembly and the heater assembly's surface area. Specifically, energy density can be set differently by varying at least one of the three first parameters: effective resistance ratio, effective atomization surface area, and effective heating surface area.

[0131] In one embodiment of this invention, when the resistances of different heater assemblies are consistent, the heater assembly with a higher effective heating resistance ratio has a higher energy density compared to the heater assembly with a lower effective heating resistance ratio. When the resistances of the heater assemblies are consistent, the current through the heater assemblies is the same under the same supply power. A higher effective heating resistance ratio means that the heater assembly obtains a higher atomization power. When the effective atomization surface area and effective heating area of the heater assembly are the same, the corresponding energy density of the heater assembly is higher. In alternative embodiments, the effective atomization surface area and effective heating area of the heater assembly with a higher effective heating resistance ratio can be set to be smaller than those of the heater assembly with a lower effective heating resistance ratio, or a combination of factors, including the effective heating resistance ratio and area, can be considered to achieve a higher energy density for the heater assembly with a higher effective heating resistance ratio.

[0132] In one embodiment of this invention, when the resistances of different heater assemblies are consistent, the heater assembly with a higher energy density has a smaller effective atomization surface area compared to the heater assembly with a lower energy density. When the resistances of the heater assemblies are consistent, the atomization power of the heater assembly is the same under the same supply power. If the effective heating resistance is set to be the same and the effective heating area is the same, the heater assembly with a smaller effective atomization surface area has a higher energy density. In alternative embodiments, the heater assembly with a smaller effective atomization surface area has a higher effective heating resistance than the heater assembly with a larger effective atomization surface area, and the effective heating area is also smaller. Alternatively, a combination of factors, including effective atomization surface area, effective heating resistance, and effective heating area, can be considered to achieve a higher energy density for the heater assembly with a smaller effective atomization surface area.

[0133] In one embodiment of this invention, when the resistances of different heater assemblies are consistent, the heater assembly with a higher energy density has a smaller effective heating area compared to the heater assembly with a lower energy density. When the resistances of the heater assemblies are consistent, it means that under the same supply power, the heater assembly obtain the same atomization power. If the effective heating resistance is set to be the same and the effective atomization surface area is the same, the heater assembly with a smaller effective heating area has a higher energy density. In alternative embodiments, the heater assembly with a smaller effective heating area has a higher effective heating resistance than the heater assembly with a larger effective heating area, and the effective atomization surface area is also smaller. Alternatively, a combination of factors, including effective heating area, effective heating resistance, and effective atomization surface area, can be considered to achieve a higher energy density for the heater assembly with a smaller effective heating area.

[0134] In one embodiment of this invention, the settings that increase energy density can be referred to as advantageous settings, such as reducing the effective atomization surface area, increasing the effective heating resistance ratio, and so on. The settings that decrease energy density can be referred to as disadvantageous settings, such as increasing the effective atomization surface area, increasing the ratio of ineffective heating resistance, and so on. To achieve different energy densities, in embodiments of the present invention, one heater assembly can be subjected to one or more advantageous settings, while another heater assembly can be subjected to one or more disadvantageous settings. In alternative embodiments, a combination of advantageous and disadvantageous settings can be applied to a heater assembly, as long as the final integrated design results in different energy densities for the different heater assemblies.

[0135] In the above embodiments of this invention, by configuring the resistance parameters, atomization surface area parameters, and heating surface area parameters of the heater assembly, it is possible to provide different energy density configurations for the heater assembly. This allows for compatibility with different atomization modes of the system, achieving optimal atomization states under different atomization modes, thereby enhancing the user experience. Furthermore, through the optimal matching of different energy densities with atomization modes, issues such as carbon buildup and damage due to mismatched power supply are reduced, resulting in an extended system lifespan.

[0136] Embodiment two

[0137] Based on the heater assembly provided in embodiment one, embodiment two of the invention introduces an aerosol provision system. As shown in Figure 5, the aerosol provision system 300 features at least two atomization modes and receives aerosol-generating material.

[0138] The aerosol provision system 300 comprises at least two heater assemblies 341 , each corresponding to an atomization mode and designed to heat the aerosol-generating material within the system 300 to create aerosol. These heater assemblies 341 , corresponding to different atomization modes, have varying energy densities. The at least two heater assemblies 341 are comprised in a heating assembly.

[0139] The controller 343 is configured to select at least one of the heater assemblies 341 for heating based on the received atomization mode selection command; for example, issuing a to one heater assembly 341 and a second atomization mode command to another.

[0140] The power source 342, under the control of the controller 343, is configured to supply power to the heater assembly 341 . This power source can be one or multiple units.

[0141] In one embodiment of this invention, heater assemblies with different energy densities have the same set power. Despite having the same power, different energy densities can be achieved through settings like surface area and effective heating resistance.

[0142] In one embodiment of this invention, heater assemblies with different energy densities have varying set power levels. Specifically, at least two atomization modes include at least two power settings; the higher-energy-density heater assembly corresponds to a higher power setting, and the lower-energy-density element corresponds to a lower setting.

[0143] The controller, is configured to select the high-energy-density heater assembly for heating upon receiving a command for a higher power setting. Conversely, it chooses the low-energy-density heater assembly when a lower power setting command is received. This configuration ensures that the appropriate heater assembly is activated based on the desired power level, facilitating optimal heating and energy efficiency.

[0144] By matching the power with the energy density, the heater assembly can be optimally paired with the power atomization modes. This approach ensures the best atomization state is achieved, enhancing the atomization performance and extending the lifespan of the heater assembly.

[0145] In another embodiment of this invention, the system comprises three power settings, with the highest setting being the sum of the other two. The controller, upon receiving the highest power setting command, selects both heater assemblies for heating, adding a higher power atomization mode without increasing the number of heater assemblies.

[0146] The heater assemblies can specifically be those disclosed in the first embodiment of this invention, and for more details, one can refer to the description provided in that embodiment.

[0147] Embodiment three

[0148] Embodiment three of this invention discloses a control method for an aerosol provision system, wherein the system comprises at least two heater assemblies corresponding to different atomization modes; and the method comprises:

[0149] Step S21 : receiving an atomization mode selection instruction;

[0150] Step S22: selecting at least one of the corresponding heater assemblies for heating based on the instruction; the different heater assemblies corresponding to different energy densities.

[0151] Figure 6 shows a flow chart of the steps of this method.

[0152] In one embodiment of this invention, the system is the aerosol provision system disclosed in embodiment two, equipped with multiple heater assemblies as revealed in embodiment one.

[0153] In one embodiment of this invention, the atomization mode selection command can be generated based on user input or signals monitored by sensors. For instance, commands may be received through different buttons or an electronic interactive interface based on user input, or by sensing different gestures of the user with sensors to generate corresponding atomization mode selection commands.

[0154] Through the heater assemblies and aerosol provision systems disclosed in the various embodiments of this invention, the setup of heater assemblies with different energy densities can meet the system's needs for various atomization modes. This leads to an improved atomization state and enhances user experience. Furthermore, it ensures optimal matching of the heater assemblies with e-liquids and power supply, preventing issues like carbon buildup or damage from excessive power, thereby extending the system's lifespan.

[0155] 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 way in any one or more embodiments or examples.

[0156] 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.

[0157] 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.

[0158] Although the embodiments of the invention have been shown and described above, it should be understood that the above-described embodiments are exemplary and should not be considered as limiting the invention. Those skilled in the art within the scope of the invention can make variations, modifications, replacements, and variations to the above-described embodiments.

Claims

Claims1. A heating assembly for an aerosol provision system having at least two atomization modes, the heating assembly comprising: at least two heater assemblies, each corresponding to a different atomization mode and configured to heat aerosol-generating material within the system to generate aerosol in the respective atomization mode; wherein the heater assemblies corresponding to different atomization modes obtain different energy densities.

2. The heating assembly for an aerosol provision system according to claim 1, wherein each heater assembly comprises a heating main body for generating aerosol and an extension part connected to the heating main body; and wherein the resistance of the heating main body forms an effective heating resistance of the heater assembly, the area occupied by the heating main body serves as an effective heating area of the heater assembly, and the surface area of the resistance of the heating main body forms the effective atomization surface area of the heater assembly; and the energy density obtained by the heating main body is taken as the energy density obtained by the heater assembly.

3. The heating assembly for an aerosol provision system according to claim 2, wherein the energy density of each heater assembly is made different by configuring at least one of the resistance parameters, atomization surface area, and heating area parameters of the heater assembly: i) different resistance parameters of the heater assembly, comprising at least one of the following different parameters: different resistance of the heater assembly; different effective heating resistance;different proportion of effective heating resistance; ii) different atomization surface areas of the heater assembly, comprising at least one of the following different parameters: different effective atomization surface area; different cross-sectional area of the heating main body; different unit surface area of the heating main body; iii) different heating area parameters of the heater assembly, comprising at least one of the following different parameters: different heating area occupied by the heater assembly; different effective heating area; different proportion of effective heating area.

4. The heating assembly for an aerosol provision system according to claim 3, wherein each heater assembly comprises a heating wire, and wherein the different effective atomization surface areas of the heater assembly comprise different cross-sectional areas and / or lengths of the heating wire.

5. The heating assembly for an aerosol provision system according to claim 3, wherein each heater assembly comprises a heating wire, wherein the different resistances of the heater assembly comprise different lengths and / or resistivities and / or cross-sectional areas of the heating wire.

6. The heating assembly for an aerosol provision system according to claim 2, wherein, when the resistance of a heater assembly is consistent, the heater assembly comprise three first parameters: the proportion of effective heating resistance, effective atomization surface area, and effective heating area; and the different energy densities of the heater assembly are achieved by configuring at least one of the first parameters differently.

7. The heating assembly for an aerosol provision system according to claim 6, wherein the heater assembly with higher energy density has a higher proportion of effective heating resistance than the heater assembly with lower energy density.

8. The heating assembly for an aerosol provision system according to claim 6, wherein the heater assembly with higher energy density has a smaller effective atomization surface area than the heater assembly with lower energy density.

9. The heating assembly for an aerosol provision system according to claim 6, wherein the heater assembly with higher energy density has a smaller effective heating area than the heater assembly with lower energy density.

10. The heating assembly for an aerosol provision system according to any one of claims 2, 3, or 6, wherein the heating main body of each heater assembly comprises a heating main body heating wire constituting the effective heating resistance; and the heater assembly comprises four second parameters: the cross-sectional area of the heating main body heating wire, the length of the heating wire of the heating main body heating wire, the resistivity of the heating main body, and the resistivity of the extension part; and when the resistance of the heater assembly is consistent, different proportions of effective heating resistance of the heater assembly are achieved by configuring at least one of the second parameters differently.

11. The heating assembly for an aerosol provision system according to claim 10, wherein the heating main body heating wire of the heater assembly with higher energy density has a smaller cross-sectional area than the heating main body heating wire of the heater assembly with lower energy density.

12. The heating assembly for an aerosol provision system according to claim 10, whereinthe heating main body heating wire of the heater assembly with higher energy density has a greater length than the heating main body the heating wire of the heater assembly with lower energy density.

13. The heating assembly for an aerosol provision system according to claim 10, wherein the heating main body of the heater assembly with higher energy density has a higher resistivity than the heating main body of the heater assembly with lower energy density.

14. The heating assembly for an aerosol provision system according to claim 10, wherein the extension part of the heater assembly with higher energy density has a lower resistivity than the extension part of the heater assembly with lower energy density.

15. The heating assembly for an aerosol provision system according to claim 14, wherein the material of the extension part of the heater assembly with higher energy density is nickel; and / or; the material of the heating main body of the heater assembly with higher energy density comprises at least one of iron-chromium-aluminum, nickel-chromium, stainless steel, and titanium alloy.

16. The heating assembly for an aerosol provision system according to any one of claims 2, 3, or 6, wherein each heater assembly comprises a heating main body heating wire constituting the effective heating resistance, and the heater assembly includes two third parameters: the cross-sectional area and the length of the heating main body heating wire; wherein the different effective atomization surface areas of the heater assembly are achieved by configuring at least one of the third parameters differently.

17. The heating assembly for an aerosol provision system according to claim 16, wherein the heating main body heating wire of the heater assembly with higher energy density has asmaller cross-sectional area than that of the heater assembly with lower energy density.

18. The heating assembly for an aerosol provision system according to claim 16, wherein the heating main body heating wire of the heater assembly with higher energy density has a shorter length than that of the heater assembly with lower energy density.

19. An aerosol provision system having at least two atomization modes, and comprising: a housing, configured to receive aerosol-generating material; at least two heater assemblies, each corresponding to an atomization mode and configured to heat aerosol-generating material within the system to generate aerosol in the respective atomization mode, with the two heater assemblies corresponding to different atomization modes having different energy densities; a controller, configured to select at least one of the heater assemblies for heating based on a received atomization mode selection instruction; and a power source, configured to supply power to the heater assemblies under the control of the controller.

20. The aerosol provision system according to claim 19, wherein: the at least two atomization modes comprise at least two power settings; the heater assembly with higher energy density corresponds to a higher power setting, and the heater assembly with lower energy density corresponds to a lower power setting; the controller is configured to select the heater assembly with higher energy density for heating upon receiving a selection instruction for the higher power setting; and the controller is configured to select the heater assembly with lower energy density for heating upon receiving a selection instruction for the lower power setting.21 . The aerosol provision system according to claim 20, wherein: the system comprises three power settings, with the highest power setting being thesum of the other two power settings; and the controller is configured to select both heater assemblies for heating upon receiving a selection instruction for the highest power setting.

22. The aerosol provision system according to claim 19, wherein: the atomization mode selection instruction is generated based on user input or signals monitored by sensors.

23. The aerosol provision system according to claim 19, wherein each heater assemblies are as described in any one of claims 1 to 18.

24. An aerosol provision system having at least two atomization modes, with the at least two atomization modes corresponding to at least two power settings; wherein the system comprises a heating assembly according to any one of claims 1 to 18; and the heater assembly with higher energy density corresponds to a higher power setting, and the heater assembly with lower energy density corresponds to a lower power setting.

25. An aerosol provision system having at least two atomization modes; wherein the system comprises a heating assembly according to any one of claims 1 to 18; and the heater assemblies with different energy densities have the same power setting.

26. A control method for an aerosol provision system, the system comprising at least two heater assemblies corresponding to different atomization modes; wherein the method comprises: receiving an atomization mode selection instruction; and selecting at least one of the corresponding heater assemblies for heating based on the instruction; wherein the different heater assemblies correspond to different energy densities.

27. The control method for an aerosol provision system according to claim 26,wherrein the system is according to any one of claims 19 to 25.

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