Aerosol supply system and fluid control structure, equipment and heating control method thereof

Abstract

The embodiment of the invention discloses an aerosol supply system and a fluid control structure, equipment and a heating control method thereof. Wherein the fluid control structure comprises: a liquid reservoir configured to contain a liquid aerosol-generating material; a preheating cavity; the first fluid channel is arranged between the liquid storage cavity and the preheating cavity; the first adjusting piece is configured to move between the opening position where the first fluid channel is opened and the closing position where the first fluid channel is closed. According to the scheme, the aerosol generating material can be fully and efficiently heated in the preheating cavity in the closed environment, so that aerosol formed after secondary heating at the preheating temperature is good in taste, and the smoking experience of a user is remarkably improved.

Description

Technical Field

[0001] This application relates to the field of aerosol supply, and more particularly to an aerosol supply system and its fluid control structure, equipment, and heating control method. Background Technology

[0002] In the e-cigarette industry, an aerosol supply system refers to a system that contains aerosol-generating materials and produces aerosols for users to inhale by heating, rather than burning, these materials (such as cartridges). An aerosol supply system typically includes an aerosol supply device and a battery assembly that powers the device. The battery assembly supplies power to a heating element within the aerosol supply device, causing the element to heat up and, in turn, the heating material to produce an aerosol for the user to inhale.

[0003] For users, the taste when using e-cigarettes is one of the most important aspects of the experience. Currently, e-cigarette products only activate the heating element to heat the liquid aerosol generating material when the user inhales. Since the initial temperature of the liquid aerosol generating material before it generates aerosols can affect the taste of the aerosols that enter the user's mouth, if the initial temperature is too low, it will produce aerosols that produce a poor taste for the user, thus affecting the user experience.

[0004] Therefore, a new technical solution is urgently needed to solve one or more of the aforementioned technical problems. Summary of the Invention

[0005] This application aims to at least solve one of the technical problems existing in the prior art. To this end, this application discloses an aerosol supply system and its fluid control structure, equipment, and heating control method to solve the problem that the initial temperature of the aerosol generating material is too low in the prior art, resulting in poor taste of the generated aerosol.

[0006] The first aspect of this application discloses a fluid control structure for an aerosol supply system, the fluid control structure comprising:

[0007] The liquid storage chamber is configured to contain liquid aerosol-generating material;

[0008] Preheating chamber;

[0009] A first fluid channel is provided between the liquid storage chamber and the preheating chamber;

[0010] The first adjusting member is configured to move between an open position where the first fluid channel is open and a closed position where the first fluid channel is closed.

[0011] The liquid storage chamber replenishes the preheating chamber via the first fluid channel.

[0012] In one embodiment of the fluid control structure of this application, the first regulating element is a first valve.

[0013] In one embodiment of the fluid control structure of this application, the first valve is a first check valve, configured to, when in the open position, allow the aerosol generating material to flow in the direction from the liquid storage chamber to the preheating chamber and prevent the aerosol generating material from flowing in the direction from the preheating chamber to the liquid storage chamber.

[0014] In one embodiment of the fluid control structure of this application, the fluid control structure further includes:

[0015] A second fluid channel is provided between the liquid storage chamber and the preheating chamber;

[0016] Along the direction from the liquid storage chamber to the preheating chamber, the fluid flow rate of the second fluid channel is lower than a preset flow rate value.

[0017] In one embodiment of the fluid control structure of this application, the fluid control structure further includes:

[0018] The second check valve is configured to allow fluid to flow in the second fluid channel in the direction from the preheating chamber to the storage chamber and to prevent fluid from flowing in the direction from the storage chamber to the preheating chamber.

[0019] In one embodiment of the fluid control structure of this application, the first check valve and / or the second check valve have deformable openings.

[0020] In one embodiment of the fluid control structure of this application, the deformable opening is duckbill-shaped.

[0021] In one embodiment of the fluid control structure of this application, the first valve is an electric valve configured to move under electric control to open or close the first fluid passage;

[0022] or,

[0023] The first valve is a mechanical valve configured to move when mechanically pressed to open or close the first fluid passage.

[0024] In one embodiment of the fluid control structure of this application, the preheating chamber is smaller than the liquid storage chamber.

[0025] In one embodiment of the fluid control structure of this application, the fluid control structure further includes:

[0026] The heating element is configured to operate at a first power supply to heat the aerosol generating material in the preheating chamber to a first temperature; at the first temperature, the aerosol generating material cannot be atomized.

[0027] In one embodiment of the fluid control structure of this application, the heating element is further configured to operate at a second power supply to heat the aerosol generating material in the preheating chamber to a second temperature; the second temperature is higher than the first temperature, and at the second temperature, the aerosol generating material can be atomized.

[0028] In one embodiment of the fluid control structure of this application, the fluid control structure further includes an atomizer, the atomizer comprising:

[0029] The atomizer housing that forms the preheating chamber is defined;

[0030] And the heating element.

[0031] In one embodiment of the fluid control structure of this application, the atomizer housing includes:

[0032] A first sealing element is disposed between the liquid storage chamber and the preheating chamber, and the first fluid passage is formed on the first sealing element.

[0033] In one embodiment of the fluid control structure of this application, the atomizer housing further includes:

[0034] The atomizer top cover is located near the liquid storage chamber;

[0035] Atomizer base positioned away from the liquid storage chamber;

[0036] A second seal located between the atomizer top cover and the atomizer base;

[0037] And a bottom shell disposed on the side of the atomizer base away from the atomizer top cover.

[0038] In one embodiment of the fluid control structure of this application, the maximum capacity of the liquid storage chamber is configured to allow for replenishment of the preheating chamber at least twice.

[0039] The second aspect of this application discloses an aerosol supply system device, the device including the fluid control structure described above, the device being a smoke cartridge or an aerosol supply device.

[0040] A third aspect of this application discloses an aerosol supply system, the system comprising:

[0041] The fluid control structure described above;

[0042] A heating element is configured to generate heat when energized, so as to heat the aerosol generating material in the preheating chamber;

[0043] The controller is configured to control the heating element to operate at a first power supply when the system is in preheating mode, so as to heat the aerosol generating material in the preheating chamber to a first temperature; at the first temperature, the liquid aerosol generating material cannot be atomized.

[0044] In one embodiment of the aerosol supply system of this application, the controller is further configured to determine that the system is in the preheating mode based on a preheating start command input by a user;

[0045] and / or;

[0046] The controller is further configured to determine that the system is in the preheating mode when the user finishes the most recent suction and a first preset time has elapsed.

[0047] In one embodiment of the aerosol supply system of this application, the controller is further configured to determine that the system exits the preheating mode based on a preheating end command input by the user;

[0048] and / or;

[0049] The controller is further configured to determine that the system exits the preheating mode when the user does not aspirate for a period of time that reaches a second preset time.

[0050] In one embodiment of the aerosol supply system of this application, the controller is further configured to control the heating element to operate at a second power supply when the system is in suction mode, so as to heat the aerosol generating material in the preheating chamber to a second temperature; the second temperature is higher than the first temperature, and at the second temperature, the liquid aerosol generating material can be atomized.

[0051] In one embodiment of the aerosol supply system of this application, the controller is further configured to determine that the system is in the suction mode based on the user's suction action.

[0052] In one embodiment of the aerosol supply system of this application, the first regulating element is an electric valve;

[0053] The system also includes a sensor configured to detect the amount of the aerosol-generating material within the preheating chamber;

[0054] The controller is configured to control the electric valve to move to the open position to open the first fluid channel when the amount of aerosol generating material is lower than a first preset value, and to control the electric valve to move to the closed position to close the first fluid channel when the amount of aerosol generating material is higher than a second preset value.

[0055] A fourth aspect of this application discloses a heating control method applied to the aerosol supply system described above, the method comprising:

[0056] When the system is in preheating mode, the controller controls the heating element to operate at a first power supply to heat the aerosol generating material in the preheating chamber to a first temperature; at the first temperature, the liquid aerosol generating material cannot be atomized.

[0057] In one embodiment of the heating control method of this application, the method further includes:

[0058] The controller determines that the system is in the preheating mode based on the preheating start command input by the user;

[0059] and / or;

[0060] The controller determines that the system is in the preheating mode when the user finishes the most recent suction and a first preset time has elapsed.

[0061] In one embodiment of the heating control method of this application, the method further includes:

[0062] The controller determines that the system exits the preheating mode based on the preheating end command input by the user;

[0063] and / or;

[0064] When the user does not aspirate for a period of time that reaches a second preset time, the controller determines that the system exits the preheating mode.

[0065] In one embodiment of the heating control method of this application, the method further includes:

[0066] When the system is in suction mode, the controller controls the heating element to operate at a second power supply to heat the aerosol generating material in the preheating chamber to a second temperature; the second temperature is higher than the first temperature, and at the second temperature, the liquid aerosol generating material can be atomized.

[0067] In one embodiment of the heating control method of this application, the method further includes:

[0068] The controller determines that the system is in the suction mode based on the user's suction action.

[0069] In one embodiment of the heating control method of this application, the first regulating element is an electric valve; the system further includes a sensor configured to detect the amount of the aerosol-generating material in the preheating chamber;

[0070] The method further includes:

[0071] When the amount of aerosol generating material is lower than a first preset value, the controller controls the electric valve to move to the open position to open the first fluid channel, and when the amount of aerosol generating material is higher than a second preset value, the controller controls the electric valve to move to the closed position to close the first fluid channel.

[0072] The above-described technical solutions of this application have at least one or more of the following beneficial effects:

[0073] In this embodiment, a preheating chamber is provided that is independent of the liquid storage chamber. Liquid is replenished from the liquid storage chamber to the preheating chamber, and the liquid aerosol generating material is preheated in the preheating chamber. This results in a better taste of the aerosol formed after secondary heating at the preheating temperature, which can significantly improve the user's sucking experience.

[0074] The first fluid channel connects the liquid storage chamber and the preheating chamber. However, if the first fluid channel remains open, the liquid storage chamber and the preheating chamber will continuously exchange fluids and heat. This will lower the preheating temperature of the liquid aerosol generating material in the preheating chamber, resulting in energy waste. Furthermore, the lower-temperature liquid aerosol generating material will flow into the preheating chamber, reducing the preheating temperature of the aerosol generated after subsequent secondary heating, thus affecting the taste of the aerosol. Therefore, this application further includes a first regulating element that controls the opening and closing of the first fluid channel, thereby controlling the connection between the liquid storage chamber and the preheating chamber. When the first fluid channel is opened using the first adjusting element, the liquid aerosol generating material in the storage chamber can pass through the first fluid channel and flow into the preheating chamber to replenish the preheating chamber for preheating. When the first fluid channel is closed using the first adjusting element, the preheating chamber is essentially closed, which can reduce or avoid heat exchange between the storage chamber and the aerosol generating material in the preheating chamber, thereby reducing or avoiding the preheating temperature in the preheating chamber from decreasing due to heat exchange with the storage chamber, thus reducing energy waste.

[0075] Furthermore, the amount of liquid replenished in the preheating chamber each time is less than the maximum capacity of the storage chamber. That is, this application includes a preheating chamber that accommodates a relatively small amount (relative to the storage chamber) of liquid aerosol generating material. Since the amount of liquid aerosol generating material requiring preheating each time is relatively small, even with limited heating capacity of the heating element, the expected sufficient and efficient preheating can still be achieved. If no preheating chamber is provided, and all the liquid aerosol generating material in the storage chamber is directly preheated, the large volume of liquid will result in insufficient and inefficient preheating; moreover, after all the liquid aerosol generating material is preheated, the user may need to complete the pumping in multiple time periods, leading to wasted heating energy due to natural cooling of the liquid. The preheating chamber ensures sufficient and efficient preheating of the liquid aerosol generating material. In summary, this application can fully and efficiently heat the aerosol generating material in a preheating chamber that contains a relatively small amount of liquid aerosol generating material, and in a closed environment. This results in a better taste of the aerosol formed after secondary heating at the preheating temperature, significantly improving the user's inhalation experience.

[0076] Furthermore, the first regulating component in this application is configured as a duckbill-shaped or similar first one-way valve that can automatically open or close according to the pressure relationship between the two chambers (liquid flows from the storage chamber to the preheating chamber, and flow is prohibited in the opposite direction). When a certain negative pressure is formed in the preheating chamber due to the reduction of aerosols or aerosol-generating materials, the first one-way valve opens, and liquid flows from the storage chamber to the preheating chamber for replenishment. When the replenishment reaches a certain level, the negative pressure decreases or disappears, the first one-way valve closes, and the preheating chamber forms a closed preheating space. In this way, the first one-way valve automatically adjusts its state according to the pressure, and the user does not need to perform any other operations. Compared with manual or electric valves, the structure is simpler, the operation is more simplified, and the reliability is higher.

[0077] Furthermore, this application includes a second fluid channel to discharge gas from the preheating chamber to the storage chamber. The second fluid channel is configured such that, along the direction from the storage chamber to the preheating chamber, the fluid flux (the flow rate through the cross-section of the channel per unit time) is lower than a preset flux. This reduces the amount of liquid aerosol generating material flowing from the storage chamber to the preheating chamber through the second fluid channel while simultaneously opening the gas channel, thereby reducing heat exchange and ultimately minimizing energy waste in the preheating chamber. Simultaneously, the second fluid channel allows gas in the preheating chamber to be discharged into the storage chamber when the pressure in the preheating chamber exceeds the pressure in the storage chamber, thus balancing the pressure between the two chambers. The pressure is designed to prevent a situation where excessive pressure in the preheating chamber prevents the pressure from quickly dropping below the pressure in the storage chamber when the user applies a low suction force, thus hindering the opening of the first one-way valve. In other words, the second fluid channel allows gas to flow from the preheating chamber into the storage chamber when the liquid aerosol generating material is preheated or heated, causing high pressure. This balances the pressure between the two chambers.

[0078] Furthermore, in this application, by configuring the second regulating element as a duckbill-shaped or similar second one-way valve that can automatically open or close according to the pressure relationship between the two chambers (gas flows from the preheating chamber to the storage chamber, and flow is prohibited in the reverse direction), the state regulation of the one-way valve can be achieved using the pressure in the storage chamber and the preheating chamber. When the gas pressure in the preheating chamber is greater than the gas pressure in the storage chamber to a certain extent, the second one-way valve opens, and gas is discharged from the preheating chamber to the storage chamber. In this way, the second one-way valve automatically regulates its state according to the pressure. Compared with manual or electric valves, this design is simpler, easier to operate, and more reliable.

[0079] Furthermore, in this application, the heating element is configured to have two power supplies, or two sets of heating elements are used to heat the aerosol generating material with different power supplies, or the same power supply is provided to the same heating element but with different power supply times. This not only saves electricity for the device but also ensures the normal operation of the device, giving users a better user experience.

[0080] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0081] The disclosure of this application will become more readily understood with reference to the accompanying drawings. It will be readily understood by those skilled in the art that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of this application. Furthermore, similar numbers in the drawings are used to denote similar components, wherein:

[0082] Figure 1 This is an exploded view of the fluid control structure provided in Embodiment 1 of this application;

[0083] Figure 2 This is a cross-sectional view of the fluid control structure provided in Embodiment 1 of this application;

[0084] Figure 3 This is a schematic diagram of the atomizer housing provided in Embodiment 1 of this application;

[0085] Figure 4 This is a three-dimensional structural schematic diagram of the first sealing element provided in Embodiment 1 of this application;

[0086] Figure 5 This is a cross-sectional view of the first seal provided in Embodiment 1 of this application;

[0087] Figure 6 This is a schematic flowchart of the heating control method for the aerosol supply system provided in Embodiment 4 of this application;

[0088] Figure 7 This is a schematic diagram of the aerosol supply system provided in the embodiments of this application.

[0089] Figure label:

[0090] 1. Fluid control structure;

[0091] 11. Liquid storage chamber;

[0092] 12. Preheating chamber;

[0093] 131. First adjusting component; 132. Second adjusting component;

[0094] 14. First sealing element;

[0095] 151. First fluid channel; 152. Second fluid channel; 153. Third fluid channel;

[0096] 161. Cartridge shell; 1612. Bottom shell; 1613. Second seal; 1614. Atomizer base; 16141. Insertion part; 1615. Fourth seal; 162. Heating element; 163. Mouthpiece; 164. Pin; 165. Atomizer top cover; 166. Third seal;

[0097] 2. Aerosol supply system;

[0098] 3. Battery assembly;

[0099] 4. Controller. Detailed Implementation

[0100] Some embodiments of this application are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of this application and are not intended to limit the scope of protection of this application.

[0101] the term

[0102] Conveying system

[0103] As used herein, the term "delivery system" is intended to cover systems that deliver at least one substance to a user during use, and includes:

[0104] Combustible aerosol supply systems, such as cigarettes, cigarettes, cigars, and tobacco for pipes or for self-rolled or self-made cigarettes (based on or not based on tobacco, tobacco derivatives, expanded tobacco, reconstituted tobacco, tobacco substitutes or other smokeable materials);

[0105] Non-flammable aerosol supply systems that release compounds from aerosol-generating materials without burning the aerosol-generating materials, such as electronic cigarettes, tobacco heating products, and mixing systems, to generate aerosols using combinations of aerosol-generating materials; and

[0106] An aerosol-free delivery system delivers at least one substance to a user via the mouth, nose, skin, or other means without forming an aerosol. This includes, but is not limited to, tablets, chewing gum, patches, articles including inhalable powders, and oral products (e.g., oral tobacco including snuff or wet snuff), wherein the at least one substance may or may not include nicotine.

[0107] Combustible gas aerosol supply system

[0108] According to this disclosure, a "combustible" aerosol supply system is an aerosol supply system in which the aerosol generating material is burned or ignited during use in order to deliver at least one substance to the user.

[0109] In some implementations, the delivery system is a combustible aerosol supply system, such as a system selected from the group consisting of cigarettes, cigarettes, and cigars.

[0110] In some embodiments, this disclosure relates to a component for use in a combustible aerosol supply system, such as a filter, filter rod, filter segment, tobacco stick, spill, aerosol modifier release component (e.g., capsule, thread, or bead), or paper (e.g., forming paper, tipping paper, or cigarette paper).

[0111] Non-flammable aerosol supply system

[0112] According to this disclosure, a "non-flammable" aerosol supply system is an aerosol supply system in which the aerosol generating material is non-flammable or non-ignitable and delivers at least one substance to the user.

[0113] In some implementations, the delivery system is a non-flammable aerosol supply system, such as a powered non-flammable aerosol supply system.

[0114] In some implementations, the non-flammable aerosol supply system is an electronic cigarette, also known as a vapor device or electronic nicotine delivery system (END); however, it should be noted that the presence of nicotine in the aerosol generating material is not necessary.

[0115] In some implementations, the non-combustible aerosol supply system is an aerosol-generating material heating system, also known as a heated non-combustible system. An example of such a system is a tobacco heating system.

[0116] In some embodiments, the non-flammable aerosol supply system is a mixing system that uses a combination of aerosol-generating materials to generate aerosols, wherein one or more of these aerosol-generating materials can be heated. Each aerosol-generating material may be in the form of a solid, liquid, or gel, and may or may not contain nicotine. In some embodiments, the mixing system includes liquid or gel aerosol-generating materials and solid aerosol-generating materials. Solid aerosol-generating materials may include, for example, tobacco or non-tobacco products.

[0117] Typically, a non-flammable aerosol supply system may include a non-flammable aerosol supply device and consumables for use with the non-flammable aerosol supply device.

[0118] In some embodiments, this disclosure relates to consumables comprising aerosol-generating materials and configured for use with non-flammable aerosol supply devices. These consumables are sometimes referred to as articles in this disclosure.

[0119] In some embodiments, a non-flammable aerosol supply system, such as its non-flammable aerosol supply device, may include a power source and a controller. The power source may be, for example, a power source or a heat source. In some embodiments, the heat source includes a carbon matrix, which may be powered to distribute power in the form of heat to the aerosol-generating material or heat-transfer material adjacent to the heat source.

[0120] In some embodiments, a non-flammable aerosol supply system may include an area for receiving consumables, an aerosol generator, an aerosol generation area, a housing, nozzles, filters, and / or aerosol modifiers.

[0121] In some embodiments, consumables for use with a non-flammable aerosol supply device may include aerosol generating material, aerosol generating material storage area, aerosol generating material conveying component, aerosol generator, aerosol generating area, housing, packaging paper, filter, nozzle, and / or aerosol modifier.

[0122] aerosol-free delivery system

[0123] In some embodiments, the delivery system is an aerosol-free delivery system that delivers at least one substance to a user orally, nasally, dermally, or otherwise without forming an aerosol. This includes, but is not limited to, tablets, chewing gum, patches, articles including inhalable powders, and oral products (e.g., oral tobacco including snuff or wet snuff), wherein the at least one substance may or may not include nicotine.

[0124] In some embodiments, the substance to be delivered may be an aerosol-generating material or a material not intended for aerosolization. Depending on the circumstances, any material may include one or more active ingredients, one or more flavoring agents, one or more aerosol-forming agent materials, and / or one or more other functional materials.

[0125] Active substances

[0126] In some embodiments, the substance to be delivered includes an active substance. As used herein, an active substance can be a physiologically active material, which is a material intended to achieve or enhance a physiological response. Active substances can be, for example, selected from nutritional supplements, nootropics, and psychoactive substances. Active substances can be naturally occurring or synthetically obtained. Active substances can include, for example, nicotine, caffeine, taurine, caffeine, vitamins (e.g., B6 or B12 or C), melatonin, or components, derivatives, or combinations thereof. Active substances can also include one or more components, derivatives, or extracts of tobacco or other plants.

[0127] In some embodiments, the active substance includes nicotine. In some embodiments, the active substance includes caffeine, melatonin, or vitamin B12.

[0128] As described herein, an active substance may include or be derived from one or more plants or their components, derivatives, or extracts. As used herein, the term "plant" includes any material derived from a plant, including but not limited to extracts, leaves, bark, fibers, stems, roots, seeds, flowers, fruits, pollen, shells, pods, etc. Alternatively, the material may include an active compound naturally occurring in a plant that is obtained through synthesis. The material may be in the form of a liquid, gas, solid, powder, dust, crushed particles, fine particles, pellets, fragments, strips, flakes, etc.

[0129] Examples of plants include tobacco, eucalyptus, star anise, hemp plants, cocoa, fennel, lemongrass, mint, spearmint, red tea tree, chamomile, flax, ginger, ginkgo, hazelnut, hibiscus, bay leaf, licorice, matcha, yerba mate, orange peel, papaya, rose, sage, tea (e.g., green or black tea), thyme, clove, cinnamon, coffee, anise, basil, bay leaf, cardamom, coriander, cumin, nutmeg, oregano, red pepper, rosemary, saffron, and lavender. Grass, lemon peel, mint, juniper, elderberry, vanilla, holly, perilla, turmeric, turmeric root powder, sandalwood, coriander leaves, bergamot, orange blossom, myrtle, blackcurrant, valerian, Spanish bell pepper, nutmeg, damarin, marjoram, olive, lemon mint, lemon basil, chives, parsley, verbena, tarragon, geranium, mulberry, ginseng, theanine, tetramethyluric acid, maca, Indian ginseng, dami, guana tea, chlorophyll, baobab, or any combination thereof. Mint may be selected from the following mint varieties: wild mint, mint CV, Egyptian mint, peppermint, basil mint CV, peppermint CV, spearmint, heartleaf spearmint, longleaf mint, pineapple mint, lip mint, spearmint CV, and apple mint.

[0130] In some embodiments, the active substance comprises or is derived from one or more plants or their components, derivatives, or extracts, and the plant is tobacco. In some embodiments, the active substance comprises or is derived from one or more plants or their components, derivatives, or extracts, and the plant is selected from eucalyptus, star anise, and cocoa.

[0131] In some embodiments, the active substance includes or is derived from one or more plants or their components, derivatives or extracts, and the plants are selected from red tea tree and fennel.

[0132] Flavorings

[0133] In some embodiments, the substance to be delivered includes flavoring agents. As used herein, the terms "flavoring agent" and "spice" refer to materials that, where permitted by local regulations, can be used in a product to produce a taste, aroma, or other bodily sensation desired by an adult consumer. These can include naturally occurring flavoring materials, plants, plant extracts, synthetic materials, or combinations thereof (e.g., tobacco, licorice, hydrangea, eugenol, Japanese magnolia leaf, chamomile, fenugreek, clove, maple, matcha, menthol, Japanese mint, anise, cinnamon, turmeric, Indian spices, Asian spices, herbs, holly, cherry, berries, raspberries, cranberries, peach, apple, orange, mango, citrus, lemon, lime, tropical fruits, papaya, rhubarb, grape). Durian, dragon fruit, cucumber, blueberry, mulberry, citrus fruits, Durum Brand, bourbon whiskey, Scotch whisky, whiskey, gin, tequila, rum, spearmint, mint, lavender, aloe vera, cardamom, celery, bitter bean husk, nutmeg, sandalwood, bergamot, geranium, arabesque tea, sorghum, areca leaf, coriander, pine, honey extract, rose oil, vanilla, lemon oil, orange oil, orange blossom, cherry blossom, cinnamon, coriander, cognac, jasmine, ylang-ylang, sage, fennel Mustard, green bell pepper, ginger, coriander, coffee, peppermint oil from any type of mint, eucalyptus, star anise, cocoa, lemongrass, red beans, flax, ginkgo leaves, hazelnuts, hibiscus, bay leaves, yerba mate, orange peel, rose, tea (e.g., green or black tea), thyme, juniper, elderberry, basil, bay leaves, cumin, oregano, chili peppers, rosemary, saffron, lemon peel, mint, beefsteak, turmeric, cilantro, myrtle, blackcurrant, valerian, Spanish bell pepper, dried nutmeg, dami It may contain ingredients such as sucrose, marjoram, olive, lemon balm, lemon basil, scallion, parsley, verbena, tarragon, limonene, thymol, camphene, flavor enhancers, bitter receptor blockers, sensory receptor activators or stimulants, sugars and / or sugar substitutes (e.g., sucralose, acesulfame potassium, aspartame, saccharin, cyclosulfonates, lactose, sucrose, glucose, fructose, sorbitol, or mannitol), and other additives such as charcoal, chlorophyll, minerals, plants, or breath fresheners. It may be an analogue, synthetic, or natural ingredient or a mixture thereof. It may be in any suitable form, such as a liquid like an oil, a solid like a powder, or a gas.

[0134] In some embodiments, the flavoring agent includes menthol, spearmint, and / or peppermint. In some embodiments, the flavoring agent includes flavoring components of cucumber, blueberry, citrus fruits, and / or cranberry. In some embodiments, the flavoring agent includes eugenol. In some embodiments, the flavoring agent includes flavoring components extracted from tobacco.

[0135] In some embodiments, in addition to or in place of aromatactic or gustatory nerves, flavoring agents may include sensory agents designed to achieve somatic sensations typically induced and perceived by chemical stimulation of the fifth cranial nerve (trigeminal nerve), and these may include agents that provide heating, cooling, tingling, or numbing effects. Suitable thermal agents may be, but are not limited to, vanillyl ether, and suitable coolants may be, but are not limited to, eucalyptol, WS-3.

[0136] Aerosol generating materials

[0137] Aerosol-generating materials are materials capable of generating aerosols, for example, when heated, irradiated, or electrified in any other way. Aerosol-generating materials may be in solid, liquid, or gel form, and may or may not contain active substances and / or fragrances. In some embodiments, aerosol-generating materials may include “amorphous solids,” which may alternatively be referred to as “monolithic solids” (i.e., non-fibrous). In some embodiments, the amorphous solid may be a dried gel. An amorphous solid is a solid material that can retain some fluid (e.g., liquid) within it. In some embodiments, aerosol-generating materials may, for example, comprise from about 50 wt%, 60 wt%, or 70 wt% to about 90 wt%, 95 wt%, or 100 wt% amorphous solids.

[0138] Aerosol-generating materials may include one or more active substances and / or flavoring agents, one or more aerosol-forming agent materials, and optionally one or more other functional materials.

[0139] Aerosol forming agent materials

[0140] Aerosol forming agent materials may include one or more components capable of forming aerosols. In some embodiments, aerosol forming agent materials may include one or more of the following: glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,3-butanediol, erythritol, meso-erythritol, ethyl vanillate, ethyl laurate, diethyl octanoate, triethyl citrate, triacetin, a mixture of glycerol diacetate, benzyl benzoate, benzyl phenyl acetate, glyceryl tribocate, lauryl acetate, lauric acid, myristic acid, and propylene carbonate.

[0141] Functional materials

[0142] The other or more functional materials may include one or more of pH adjusters, colorants, preservatives, binders, fillers, stabilizers and / or antioxidants.

[0143] matrix

[0144] The material may be present on or within a carrier to form a matrix. The carrier may be, or include, for example, paper, cardboard, cardboard, reconstituted materials, plastic materials, ceramic materials, composite materials, glass, metal, or metal alloys. In some embodiments, the carrier includes a receptor. In some embodiments, the receptor is embedded within the material. In some alternative embodiments, the receptor is located on one or both sides of the material.

[0145] Consumables

[0146] Consumables are articles comprising or composed of aerosol-generating materials, some or all of which are intended to be consumed by a user during use. Consumables may include one or more other components, such as an aerosol-generating material storage area, an aerosol-generating material delivery component, an aerosol-generating area, a housing, packaging paper, a nozzle, a filter, and / or an aerosol modifier. Consumables may also include an aerosol generator, such as a heater, which releases heat during use to cause the aerosol-generating material to generate an aerosol. The heater may, for example, comprise a combustible material, a material that can be heated by electrical conduction, or a sensor.

[0147] receptors

[0148] A sensor is a material that can be heated by being penetrated by a changing magnetic field (e.g., an alternating magnetic field). A sensor can be a conductive material, such that penetration by a changing magnetic field results in inductive heating of the heating material. A heating material can be a magnetic material, such that penetration by a changing magnetic field results in hysteresis heating of the heating material. A sensor can be both conductive and magnetic, allowing it to be heated by both heating mechanisms. In this paper, a device constructed to generate a changing magnetic field is referred to as a magnetic field generator.

[0149] Aerosol Modifier

[0150] Aerosol modifiers are substances typically located downstream of the aerosol generation region, configured to modify the generated aerosols, for example, by altering their taste, flavor, acidity, or other properties. Aerosol modifiers can be disposed in aerosol modifier release components operable to selectively release the aerosol modifier. For example, aerosol modifiers can be additives or adsorbents. For example, aerosol modifiers may include one or more of fragrances, colorants, water, and carbon adsorbents. For example, aerosol modifiers can be solid, liquid, or gel. Aerosol modifiers can be in powder, filament, or granular form. Aerosol modifiers may not contain filter material.

[0151] Aerosol generator

[0152] An aerosol generator is a device configured to cause the generation of aerosols from an aerosol-generating material. In some embodiments, an aerosol generator is a heater configured to subject the aerosol-generating material to heat energy in order to release one or more volatiles from the aerosol-generating material to form an aerosol. In some embodiments, an aerosol generator is configured to cause the generation of aerosols from an aerosol-generating material without heating. For example, an aerosol generator may be configured to subject the aerosol-generating material to one or more of vibration, increased pressure, or electrostatic energy.

[0153] This disclosure relates to aerosol delivery systems (which may also be referred to as vapor delivery systems), such as aerosol sprayers or electronic cigarettes. In the following description, the terms "electronic cigarette" or "electronic cigarette" may sometimes be used, but it will be understood that this term is used interchangeably with aerosol delivery systems / devices and electronic aerosol delivery systems / devices. Furthermore, as is common in the art, the terms "aerosol" and "vapor," as well as related terms such as "evaporation," "atomization," and "aerosolization," are generally used interchangeably.

[0154] Aerosol delivery systems (electronic cigarettes) typically (though not always) comprise modular components, including reusable device parts and replaceable (disposable / consumable) cartridge components. Typically, the replaceable cartridge component will include aerosol generating material and an vaporizer (which may be collectively referred to as an "atomizer"), and the reusable device part will include a power source (e.g., a rechargeable power source) and control circuitry. It will be understood that these different parts may include additional components depending on their function. For example, the reusable device part will typically include a user interface for receiving user input and displaying operational status characteristics, and the replaceable cartridge device part may include, in some cases, a temperature sensor to aid in temperature control. The cartridge is electrically and mechanically connected to the control unit for use, for example, using threads, bayonet connections, or magnetic connections with suitably arranged electrical contacts. When the aerosol generating material in the cartridge is depleted, or when the user wishes to switch to a different cartridge with a different aerosol generating material, the cartridge can be removed from the reusable part, and a replacement cartridge can be attached to its appropriate position. Systems and devices that conform to this type of two-piece modular configuration can generally be referred to as two-piece systems / devices.

[0155] Electronic cigarettes typically have a generally elongated shape. For the sake of specific examples, some embodiments of this disclosure will be considered to include such a generally elongated two-piece system employing a disposable cartridge. However, it will be understood that the basic principles described herein can be equally applied to different constructions, such as single-piece systems or modular systems comprising more than two components, refillable devices and single-use disposable items, as well as other overall shapes, such as high-performance devices based on a so-called box-shaped pattern that typically has a box-like shape. More generally, it will be understood that some embodiments of this disclosure are based on aerosol delivery systems that are operatively configured to provide the functionality according to the principles described herein, and the construction aspects of the system configured to provide the functionality according to some embodiments of this disclosure are not of primary importance.

[0156] As described in the background section, the taste is a very important aspect of the user experience when using e-cigarettes. Currently, e-cigarette products only activate the heating element to heat the aerosol-generating material when the user inhales. Since the initial temperature of the aerosol-generating material before aerosol production affects the taste of the aerosol produced and entering the user's mouth, if the initial temperature is too low, it will produce an aerosol with a poor taste, thus affecting the user's inhalation experience.

[0157] Example 1

[0158] Figure 1 This is a diagram illustrating the composition of the fluid control structure of this application. The diagram is simplified, and the components are not drawn to scale; parts irrelevant to the understanding of the solution in this application are omitted.

[0159] The first aspect of this application discloses a fluid control structure 1 for an aerosol supply system 2. The fluid control structure 1 includes: a liquid storage chamber 11 configured to contain liquid aerosol generating material; a preheating chamber 12; and a first fluid channel 151 disposed between the liquid storage chamber 11 and the preheating chamber 12. The liquid aerosol generating material in the liquid storage chamber 11 can flow through the first fluid channel 151 to the preheating chamber 12 for replenishment and preheating. The preheating chamber 12 achieves sufficient and efficient preheating. This results in aerosols generated after secondary heating having a high preheating temperature, leading to a better taste and significantly improving the user's inhalation experience.

[0160] In a further embodiment of this application, the amount of liquid aerosol generating material replenished to the preheating chamber 12 each time is less than the maximum capacity of the storage chamber 11. In one embodiment, the capacity of the preheating chamber 12 may be set smaller than that of the storage chamber 11, so that the preheating chamber 12 is a small chamber relative to the storage chamber 11. In an alternative embodiment, the capacity of the preheating chamber 12 may be greater than or equal to that of the storage chamber 11, but the amount of liquid replenished from the storage chamber 11 to the preheating chamber 12 each time may be less than the maximum capacity of the storage chamber 11. Specifically, the maximum capacity of the storage chamber 11 is configured to allow for at least two replenishments to the preheating chamber 12, that is, the maximum capacity of the storage chamber 11 can enable two or more replenishments to the preheating chamber 12. In other words, this application provides a preheating chamber 12 that accommodates a relatively small amount (relative to the storage chamber 11) of liquid aerosol generating material for preheating. Since the amount of liquid aerosol generating material requiring preheating each time is relatively small, even with the limited heating capacity of the heating element 162, sufficient and efficient preheating can still be achieved. It is conceivable that without the preheating chamber 12, directly preheating all the liquid aerosol generating material in the storage chamber 11 would result in insufficient and inefficient preheating due to the large liquid volume; furthermore, after preheating all the liquid aerosol generating material, the user might have to complete the pumping process over multiple time periods, leading to wasted heating energy due to the liquid naturally cooling down. The preheating chamber 12 ensures sufficient and efficient preheating. This results in aerosols with a better taste after secondary heating at the preheated temperature, significantly improving the user's pumping experience.

[0161] However, if the first fluid channel 151 remains open, it will cause energy waste. This is because if the first fluid channel 151 remains open, the liquid storage chamber 11 and the preheating chamber 12 will continuously exchange fluids and heat. This causes the temperature of the liquid aerosol generating material in the preheating chamber 12 to decrease, resulting in energy waste and affecting the subsequent aerosol taste. Therefore, the fluid control structure 1 of this application also includes a first adjusting member 131, configured to move between an open position (opening the first fluid channel 151) and a closed position (closing the first fluid channel 151). In this application, the opening and closing of the first fluid channel 151 can be controlled by the first adjusting member 131, thereby controlling the connection between the liquid storage chamber 11 and the preheating chamber 12. When the first fluid channel 151 is opened using the first adjusting member 131, the liquid aerosol generating material in the liquid storage chamber 11 can flow into the preheating chamber 12 through the first fluid channel 151 to complete the initial heating in the preheating chamber 12. When the first fluid channel 151 is closed using the first adjusting member 131, heat exchange between the liquid storage chamber 11 and the aerosol generating material in the preheating chamber 12 can be avoided as much as possible, thereby minimizing the temperature drop in the preheating chamber 12 due to heat exchange with the liquid storage chamber 11 and reducing energy waste.

[0162] Specifically, when the amount of liquid aerosol generating material in the preheating chamber 12 is lower than a preset value, i.e. when liquid replenishment is required (before user aspiration), the first adjusting component 131 is adjusted to open the first fluid channel 151, allowing liquid aerosol generating material lower than the maximum capacity of the storage chamber 11 to flow into the preheating chamber 12. After replenishment is completed, the first adjusting component 131 is adjusted to close the first fluid channel 151, and then the amount of liquid aerosol generating material in the preheating chamber 12 is preheated by the heating element 162.

[0163] It should be noted that the structure, principle, and adjustment method of the first adjusting member 131 are not specifically limited in this embodiment. Users can set it according to their actual needs without departing from the inventive concept of this application. As an example, and not a limitation, the first adjusting member 131 in this embodiment can be moved to different positions by sliding, rotating, etc., to adjust the opening or closing of the first fluid channel 151. As an example, and not a limitation, the first adjusting member 131 in this embodiment can be manually controlled to open or close the first fluid channel 151 using operating mechanisms such as levers, pulleys, or handles, or moved to open or close the first fluid channel 151 by electric control methods such as buttons, voice recognition, facial recognition, fingerprint recognition, or sensor recognition. In alternative embodiments, the first adjusting member 131 can achieve the required movement without manual or electric operation, such as the duckbill-type one-way valve structure mentioned below.

[0164] In one specific embodiment of this application, the first regulating member 131 adopts a valve structure, referred to herein as the first valve. The opening or closing of the first fluid channel 151 is achieved by opening or closing the first valve. When the first regulating member 131 is a valve structure, it is more convenient to control it. Specifically, the first regulating member 131 can be a flow control valve, which can ensure that the liquid aerosol generating material matching the volume of the preheating chamber 12 flows from the liquid storage chamber 11 into the preheating chamber 12 within a set time before the user inhales each time. At the same time, it can also cooperate to set the heating element 162 to a fixed heating time or heating power, that is, to ensure that the volume of aerosol generating material heated by the heating element 162 with the same heating power and heating time is the same each time. This ensures that the aerosol generating material initially heated in the preheating chamber 12 before each user inhales is heated to the same temperature, thereby ensuring the taste of each inhale for the user. Of course, in this application, the first regulating element 131 can also be a valve body structure such as a butterfly valve, ball valve, or plug valve, as long as it can realize the opening or closing of the first fluid channel 151.

[0165] In this embodiment of the application, the first valve is a first one-way valve, configured to allow the liquid aerosol generating material to flow along the direction from the liquid storage chamber 11 to the preheating chamber 12 and prevent the aerosol generating material from flowing along the direction from the preheating chamber 12 to the liquid storage chamber 11 when it is in the open position, thereby realizing the replenishment of liquid in the preheating chamber 12.

[0166] In a further embodiment of this application, the first check valve has a deformable opening; that is, the first check valve can be an elastic structure. Specifically, the first check valve can open or close the opening through its own elastic deformation, thereby realizing the opening and closing of the first fluid channel 151.

[0167] It should be understood that the deformable opening can be deformed by the pressure difference between the liquid storage chamber 11 and the preheating chamber 12. Specifically, when the pressure in the liquid storage chamber 11 is greater than the pressure in the preheating chamber 12, the opening on the first one-way valve begins to deform and open under the pressure in the liquid storage chamber 11. When the pressure in the liquid storage chamber 11 is less than the pressure in the preheating chamber 12, the opening on the first one-way valve remains closed under the pressure in the liquid storage chamber 11.

[0168] It should be noted that in this embodiment, the deformable opening is duckbill-shaped, that is, an opening structure with two symmetrically arranged elastic petals. At this time, the duckbill-shaped opening on the first one-way valve is set towards the preheating chamber 12, that is, a funnel shape is formed at the connection between the first one-way valve and the liquid storage chamber 11. When the pressure in the preheating chamber 12 is less than the pressure in the liquid storage chamber 11, the duckbill-shaped opening on the first one-way valve will be opened (the two petals will separate in the direction away from each other), thereby allowing the aerosol generating material in the liquid storage chamber 11 to flow into the preheating chamber 12. When the pressure in the preheating chamber 12 is greater than the pressure in the liquid storage chamber 11, the duckbill-shaped opening on the first one-way valve will be pressed by the aerosol generating material in the preheating chamber 12 or by the atomized aerosol (the two petals will remain closed in the direction close to each other), thereby preventing the aerosol generating material in the liquid storage chamber 11 from flowing into the preheating chamber 12.

[0169] Furthermore, the deformable opening can be composed of three or more lobes, and the specific working principle and setting method can be referred to the duckbill-shaped opening mentioned above.

[0170] Furthermore, the deformable opening can be a single flap structure. This flap structure can be an elastic structure or a rigid structure, as long as it can move to open or close. Specifically, the single flap structure on the first one-way valve can be located at the connection between the liquid storage chamber 11 and the first fluid channel 151, and this single flap structure is located on the outside of the liquid storage chamber 11 (it can be on the outer wall of the liquid storage chamber 11), and can be slightly larger than the perforated structure at the connection between the liquid storage chamber 11 and the first fluid channel 151. Thus, when the pressure in the preheating chamber 12 is less than the pressure in the liquid storage chamber 11, the first single flap structure... The valve flap opening will be opened (the flap undergoes elastic deformation or the flap moves open towards the preheating chamber 12), thereby allowing the aerosol generating material in the storage chamber 11 to flow into the preheating chamber 12. When the pressure in the preheating chamber 12 is greater than the pressure in the storage chamber 11, the flap on the first one-way valve will be pressed shut by the pressure in the preheating chamber 12 (the flap is pressed against the outer wall of the storage chamber 11 by the pressure in the preheating chamber 12, and the perforated structure at the connection between the storage chamber 11 and the first fluid channel 151 is blocked), thereby preventing the aerosol generating material in the storage chamber 11 from flowing into the preheating chamber 12.

[0171] Gas and bubbles may be generated in the preheating chamber 12 due to various reasons. Excessive gas pressure can have adverse effects and needs to be discharged in a timely manner. For example, excessive gas pressure in the preheating chamber 12 may prevent the liquid aerosol generating material in the storage chamber 11 from flowing smoothly into the preheating chamber 12 through the first one-way valve. Therefore, in this embodiment, the fluid control structure 1 further includes a second fluid channel 152 disposed between the storage chamber 11 and the preheating chamber 12 to allow the preheating chamber 12 to exhaust gas from the storage chamber 11 to the storage chamber 11. To reduce the uncontrollable impact of the opening of the second fluid channel 152 on the liquid flow between the storage chamber 11 and the preheating chamber 12, such as a large amount of liquid aerosol generating material flowing from the storage chamber 11 to the preheating chamber 12 through the second fluid channel 152, which would lead to heat exchange between the two chambers and waste of heating energy in the preheating chamber 12, this embodiment sets the fluid flow rate of the second fluid channel 152 along the direction from the storage chamber 11 to the preheating chamber 12 to be lower than a preset flow rate value. Here, fluid flux refers to the flow rate through the cross-section of the second fluid channel 152 per unit time. Specifically, it can refer to the flow rate at the minimum cross-section or the maximum cross-section of the second fluid channel 152, but this application does not make a specific limitation in this regard. This preset flow rate can be infinitely close to 0, that is, it limits the fluid flux of the second fluid channel 152 to 0 along the direction from the liquid storage chamber 11 to the preheating chamber 12.

[0172] It should be noted that in this embodiment, the structure of the second fluid channel 152 is not specifically limited. Users can configure it according to their actual needs without departing from the inventive concept. As an example, and not a limiting illustration, the second fluid channel 152 in this embodiment can be set to a continuously open state, and the cross-sectional area of ​​the second fluid channel 152 (e.g., the minimum or maximum cross-sectional area) is smaller than a preset value. This ensures that the fluid flow rate of the second fluid channel 152 along the direction from the liquid storage chamber 11 to the preheating chamber 12 is lower than the preset flow rate value. However, this configuration also leads to the problem of slow gas discharge.

[0173] In one alternative embodiment, reference is made to Figure 1 , Figure 2 as well as Figure 4 and Figure 5 As shown, the fluid control structure 1 further includes a second regulating member 132, wherein the second regulating member 132 is preferably a second one-way valve, configured to allow fluid to flow in the second fluid channel 152 in the direction from the preheating chamber 12 to the storage chamber 11 and to prevent fluid from flowing in the direction from the storage chamber 11 to the preheating chamber 12, thereby realizing the exhaust of the preheating chamber 12 to the storage chamber 11 and preventing the liquid aerosol material from flowing out of the storage chamber 11 to the preheating chamber 12.

[0174] Specifically, the second check valve has a deformable opening; that is, the second check valve can be an elastic structure. Specifically, the second check valve can open or close the opening through its own elastic deformation, thereby realizing the opening and closing of the second fluid channel 152.

[0175] It should be understood that the deformable opening can be deformed by the pressure difference between the liquid storage chamber 11 and the preheating chamber 12. Specifically, when the gas in the preheating chamber 12 increases and the gas pressure is greater than that in the liquid storage chamber 11 (reaching a certain pressure difference), the opening on the second one-way valve begins to deform and open under the pressure drive in the preheating chamber 12. When the gas in the preheating chamber 12 is discharged and the gas pressure drops, the opening on the second one-way valve closes. Based on this design, the second one-way valve can automatically adjust its opening and closing state according to the pressure difference to automatically discharge gas. It has a simple structure and requires no manual operation from the user.

[0176] Continue to refer to Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, it should be noted that in this embodiment, the deformable opening of the second one-way valve is duckbill-shaped, that is, an opening structure with two symmetrically arranged elastic flaps. In this case, the duckbill-shaped opening on the second one-way valve faces the liquid storage chamber 11, forming a funnel shape at the connection between the second one-way valve and the preheating chamber 12. When the pressure in the preheating chamber 12 is greater than the pressure in the liquid storage chamber 11, the duckbill-shaped opening on the second one-way valve will open (the two flaps will separate away from each other), allowing the atomized aerosol in the preheating chamber 12 to flow into the liquid storage chamber 11. When the pressure in the preheating chamber 12 is less than the pressure in the liquid storage chamber 11, the duckbill-shaped opening on the second one-way valve will be pressed shut by the aerosol generating material in the liquid storage chamber 11 (the two flaps will remain closed towards each other), preventing the aerosol generating material in the preheating chamber 12 from flowing into the liquid storage chamber 11.

[0177] Furthermore, the deformable opening can be composed of three or more lobes, and the specific working principle and setting method can be referred to the duckbill-shaped opening mentioned above.

[0178] Furthermore, the deformable opening can be a single flap structure, which can be either elastic or rigid, as long as it can move to open or close. Specifically, the single flap structure on the second one-way valve can be located at the connection between the liquid storage chamber 11 and the second fluid channel 152, and this single flap structure is located on the inner side of the liquid storage chamber 11 (it can be on the inner wall of the liquid storage chamber 11), and can be slightly larger than the perforated structure at the connection between the liquid storage chamber 11 and the second fluid channel 152, so that when the pressure in the preheating chamber 12 is greater than the pressure in the liquid storage chamber 11, the second one-way valve... The valve flap opening will be opened (the flap undergoes elastic deformation or the flap moves towards the inside of the liquid storage chamber 11), thereby allowing the atomized aerosol in the preheating chamber 12 to flow into the liquid storage chamber 11. When the pressure in the preheating chamber 12 is less than the pressure in the liquid storage chamber 11, the flap on the second check valve will be pressed shut by the pressure in the liquid storage chamber 11 (the flap is pressed against the inner wall of the liquid storage chamber 11 by the pressure in the liquid storage chamber 11, and the perforated structure at the connection between the liquid storage chamber 11 and the second fluid channel 152 is blocked), thereby preventing the atomized aerosol in the preheating chamber 12 from flowing into the liquid storage chamber 11.

[0179] It should be noted that in this embodiment, the first regulating element 131 can be configured as a first check valve that opens automatically based on the pressure difference, and the second regulating element 132 can be configured as a second check valve that opens automatically based on the pressure difference. It is understood that if the two check valves are of the same or similar type, allowing only opposite directions of fluid flow, then when the pressure in the storage chamber 11 is high and the pressure in the preheating chamber 12 is low, the first check valve opens and the second check valve closes, allowing the storage chamber 11 to replenish the preheating chamber 12; when the pressure in the storage chamber 11 is low and the pressure in the preheating chamber 12 is high, the second check valve opens and the first check valve closes, allowing the preheating chamber 12 to exhaust air from the storage chamber 11.

[0180] In another alternative embodiment, the second adjustment element 132 can be a structure that prevents liquid from passing through but allows gas to pass through, such as a waterproof and breathable membrane. Generally, the waterproof and breathable membrane has through holes with a diameter larger than the molecular diameter of a gas and smaller than the molecular diameter of a liquid.

[0181] Furthermore, a gap is provided between the first regulating member 131 and the second regulating member 132 to prevent the aerosol generating material from being affected by the flow of atomized aerosol from the preheating chamber 12 to the storage chamber 11 when it flows from the liquid storage chamber 11 to the preheating chamber 12 at the position of the first regulating member 131. In other words, it improves the smoothness of the flow of the aerosol generating material and aerosol in the first fluid channel 151 and the second fluid channel 152, and reduces the eddies, turbulence and other phenomena generated by the fluid aerosol generating material and aerosol during flow.

[0182] In some embodiments of this application, the number of first adjusting members 131 can be at least two and / or the number of second adjusting members 132 can be at least two. That is, this achieves redundant setting of the first adjusting members 131 and / or the second adjusting members 132. At the same time, by arranging at least two first adjusting members 131 in the first fluid channel 151 and at least two second adjusting members 132 in the second fluid channel 152, it can be ensured that the first fluid channel 151 and / or the second fluid channel 152 can still operate normally when one of the first adjusting members 131 and / or the second adjusting member 132 fails.

[0183] It should be noted that, in addition to the valves that open automatically based on pressure as described above, in this embodiment, the first check valve and / or the second check valve can be electric valves, configured to move under electric control to open or close the first fluid channel 151 or the second fluid channel 152; or, the first valve and / or the second valve can be mechanical valves, configured to move when mechanically pressed to open or close the first fluid channel 151 or the second fluid channel 152; the specific operation method can be selected according to actual usage requirements.

[0184] In this embodiment, the fluid control structure 1 further includes a heating element 162 to preheat the liquid aerosol generating material within the preheating chamber 12. It should be noted that this embodiment does not specifically limit the position or type of the heating element 162; users can configure it according to their actual needs without departing from the inventive concept. As an example, and not a limiting illustration, as shown in the figure, the heating element 162 can be disposed within the preheating chamber 12 to preheat the liquid aerosol generating material contained within it. Specifically, the heating element 162 can be a ceramic atomizing element or other atomizing elements. In alternative embodiments, the heating element 162 can also be disposed outside the preheating chamber 12, such as a heating wire surrounding the outer wall of the preheating chamber 12, thereby preheating the liquid within the chamber by heating the entire preheating chamber 12.

[0185] It should be noted that the preheating mentioned in the embodiments of this application includes heating the liquid aerosol generating material to a first temperature at which it is completely non-atomizable, or it may include heating the liquid aerosol generating material to a first temperature at which the atomization amount is lower than a preset threshold. This application does not impose strict limitations on this, as long as it can be distinguished from the heating temperature during normal suction. To achieve preheating, this application can achieve it by setting the value of the power supply applied to the heating element 162 and / or the duration of the power supply. Generally speaking, the value of the power supply corresponding to preheating is lower than the power required for heating during normal suction, the duration of the power supply corresponding to preheating is lower than the duration of the power supply required for heating during normal suction, or both conditions are met simultaneously. In a specific embodiment, the heating element 162 is configured to operate at the first power supply to heat the aerosol generating material in the preheating chamber 12 to a first temperature for preheating; at the first temperature, the aerosol generating material cannot be atomized.

[0186] As mentioned above, the preheated aerosol generating material is reheated to atomize into an aerosol for normal inhalation by the user. In some embodiments of this application, a separate heating chamber (different from and connected to the preheating chamber 12) and a heating element 162 may be provided for secondary heating.

[0187] In an alternative embodiment, the heating chamber shares the preheating chamber 12, meaning that secondary heating is performed within the preheating chamber 12. In this embodiment, a different heating element 162 than the one used for preheating can be used for secondary heating. This secondary heating element 162 can have higher heating capacity, such as being able to withstand higher power supply or having a larger atomization area.

[0188] To simplify the structure, in another alternative embodiment of this application, the heating chamber shares the preheating chamber 12, that is, secondary heating is performed in the preheating chamber 12, and preheating and secondary heating are performed by the same heating element 162.

[0189] Since the required temperatures for preheating and secondary heating are different, the heating element 162 is also configured to operate at a second power supply to heat the aerosol generating material in the preheating chamber 12 to a second temperature. The second temperature is higher than the first temperature, and at the second temperature, the aerosol generating material can be atomized. In a specific embodiment, the atomization of the aerosol generating material means that the atomization amount exceeds a preset certain threshold.

[0190] This application configures the heating element 162 to operate in two power modes, enabling both preheating in an energy-saving mode and secondary heating to ensure normal suction for the user.

[0191] It should be noted that, in addition to configuring different power supplies as described above, this application can also achieve the first temperature and the second temperature by configuring different power durations of the heating element 162. For example, using the same heating element 162 with the same power supply, but with different power durations, the aerosol generating material in the preheating chamber 12 can be heated to the first temperature when the duration is shorter, and the aerosol generating material in the preheating chamber 12 can be heated to the second temperature when the duration is longer.

[0192] In this application, the first temperature and the second temperature can also be achieved by configuring different power supplies and power durations.

[0193] It should be noted that, in one embodiment of this application, the fluid control structure 1 further includes an atomizer, which includes an atomizer housing defining a preheating chamber 12 and a heating element 162. The heating element 162 can be directly disposed inside the preheating chamber 12, or it can be arranged on the atomizer housing.

[0194] Continue to refer to Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, the atomizer housing further includes a first sealing member 14 disposed between the liquid storage chamber 11 and the preheating chamber 12. The first sealing member 14 prevents aerosol generating materials from flowing to other locations within the atomizer housing and reduces the probability of leakage and seepage. The first sealing member 14 can be a rubber pad, plastic pad, sponge pad, or similar structure. At least a portion of the first fluid channel 151 and at least a portion of the second fluid channel 152 are both formed on the first sealing member 14. Simultaneously, the first adjusting member 131 and the second adjusting member 132 can also be disposed on the first sealing member 14.

[0195] It should be noted that the atomizer housing is not specifically limited in this embodiment. Users can configure it according to their actual needs without departing from the inventive concept of this application. As an exemplary rather than restrictive description, the atomizer housing in this embodiment further includes: an atomizer top cover 165 disposed near the liquid storage chamber 11, an atomizer base 1614 disposed away from the liquid storage chamber 11, and a bottom shell 1612 disposed on the side of the atomizer base 1614 away from the atomizer top cover 165.

[0196] It should be noted that, in some embodiments of this application, portions of the first fluid channel 151 and the second fluid channel 152 may be formed on the atomizer top cover 165.

[0197] Furthermore, the atomizer housing also includes a second seal 1613 located between the atomizer top cover 165 and the atomizer base 1614, which further ensures the sealing of the entire atomizer housing.

[0198] Furthermore, the atomizer housing also includes a third seal 166 located between the atomizer top cover 165 and the heating element 162; that is, the top and side walls of the atomizer top cover 165 can be sealed with the liquid storage chamber 11 through the first seal 14, and the bottom or side wall of the atomizer top cover 165 can be sealed with the heating element 162 through the third seal 166.

[0199] Furthermore, the bottom housing 1612 is provided with a through hole for the pin 164 to pass through, through which the pin 164 is electrically connected to the heating element 162.

[0200] Reference Figures 1 to 3 As shown in some embodiments of this application, the liquid storage chamber 11 is positioned higher than the preheating chamber 12. The aerosol-generating material in the liquid storage chamber 11 can flow to the preheating chamber 12 under gravity, ensuring that the aerosol-generating material can smoothly flow from the liquid storage chamber 11 to the preheating chamber 12 before the user's suction action. Furthermore, the connection between the liquid storage chamber 11 and the first fluid channel 151 is located at the bottom of the liquid storage chamber 11 in the direction of gravity, thereby ensuring that all aerosol-generating material in the liquid storage chamber 11 can smoothly flow to the preheating chamber 12, improving the utilization rate of the aerosol-generating material in the liquid storage chamber 11. It should be noted that the connection between the liquid storage chamber 11 and the second fluid channel 152 can be located at the bottom, side wall, or top of the liquid storage chamber 11, which can be selected according to actual needs.

[0201] In alternative embodiments, the preheating chamber 12 and the liquid storage chamber 11 can be arranged in an inner and outer ring, such as the liquid storage chamber 11 being arranged around at least part of the outer periphery of the preheating chamber 12, or the preheating chamber 12 being arranged around at least part of the outer periphery of the liquid storage chamber 11. This application does not impose specific limitations on this. However, it should be noted that, regardless of the arrangement, in order for the gas in the preheating chamber 12 to be smoothly discharged into the liquid storage chamber 11, the second fluid channel 152 needs to be located in the upper part of the preheating chamber 12.

[0202] Example 2

[0203] The second aspect of this application discloses an aerosol supply system 2, which includes the fluid control structure 1 described above. The device is a cartridge or an aerosol supply device. That is, the fluid control structure 1 can be formed in the cartridge or located in the aerosol supply device (generally containing electrical components such as battery components and controllers) used in conjunction with the cartridge.

[0204] like Figure 1-3This is an example of a fluid control structure 1 formed in a cartridge. Specifically, it includes a cartridge shell 161 and a mouthpiece 163 formed at the top of the cartridge shell 161. The cartridge shell 161 internally defines a liquid reservoir 11 and a third fluid channel 153. The cartridge shell 161 also internally forms a receiving space for accommodating an atomizer. The third fluid channel 153 is used to deliver the atomized aerosol from the atomizer to the mouthpiece 163 for the user to inhale.

[0205] The atomizer includes an atomizer housing, a preheating chamber 12 inside the atomizer housing, and a heating element 162. For details regarding the atomizer housing, please refer to the relevant description in Embodiment 1.

[0206] Specifically, the atomizer base 1614 of the atomizer housing may be provided with an insertion part 16141 that engages with the cartridge housing 161. The insertion part 16141 can further improve the stability and sealing of the connection between the atomizer base 1614 and the cartridge housing 161. Specifically, the insertion part 16141 can be sealed to the cartridge housing 161 through a fourth sealing member 1615.

[0207] As shown in the figure, the liquid storage chamber 11 is positioned relative to the preheating chamber 12 and close to the suction nozzle 163, so that when the user uses it, the liquid storage chamber 11 is on top and the preheating chamber 12 is below, which facilitates the opening of the first one-way valve and the replenishment of liquid by means of gravity.

[0208] Of course, in alternative embodiments, the liquid storage chamber 11 and the preheating chamber 12 can be configured in other positional relationships, as long as the liquid storage chamber 11 can be replenished to the preheating chamber 12 and the preheating chamber 12 can be vented to the liquid storage chamber 11. This application does not make any specific limitations on this.

[0209] Example 3

[0210] Continue to refer to Figure 2 and Figure 7 As shown, the third aspect of this application discloses an aerosol supply system 2, which includes: a fluid control structure 1 as described in embodiment 1, and a heating element 162 configured to generate heat by being energized to heat the aerosol generating material in the preheating chamber 12.

[0211] Furthermore, the aerosol supply system 2 also includes a controller 4, configured to control the heating element 162 to operate at a first power supply when the system is in preheating mode, so as to heat the aerosol generating material in the preheating chamber 12 to a first temperature; at the first temperature, the liquid aerosol generating material cannot be atomized; the aerosol supply system 2 also includes a battery assembly 3, which is electrically connected to the heating element 162 through pin 164. Specifically, the battery assembly 3 can be separate from the heating element 162. When the battery assembly 3 is connected to the fluid control structure 1, the battery assembly 3 and the heating element 162 are electrically connected through pin 164 abutting or plugging.

[0212] Understandably, controller 4 can have a variety of possible settings. Controller 4 can be programmable.

[0213] Battery assembly 3 can be any suitable power source, such as a DC voltage source. In one embodiment, the power source is a lithium-ion battery. Alternatively, the power source can be a nickel-metal hydride battery, a nickel-cadmium battery, or a lithium-based battery, such as a lithium cobalt, lithium iron phosphate, or lithium polymer battery.

[0214] The aerosol supply system 2, by configuring the heating element 162 to operate in two power modes, can save electricity for the equipment while ensuring normal operation, thus providing users with a better user experience.

[0215] In this embodiment of the application, the controller 4 is further configured to determine that the system is in preheating mode according to the preheating start command input by the user; and / or; the controller 4 is further configured to determine that the system is in preheating mode when the user finishes the most recent suction and a first preset time has elapsed, wherein the preheating mode refers to heating the preheating chamber 12 to a first temperature; that is, the preheating mode can be started by the user actively inputting a preheating start command, or it can be determined by the system analyzing the user's usage actions.

[0216] In this embodiment, the controller 4 is further configured to determine that the system exits the preheating mode based on a preheating end command input by the user; and / or; the controller 4 is further configured to determine that the system exits the preheating mode when the duration of the user's non-aspiration reaches a second preset time. The second preset time is greater than the first preset time, meaning that when the user briefly stops aspiration, the preheating chamber 12 can continue to preheat, but once the second preset time is reached, it can be determined that the user does not intend to aspirate again in a short period of time, thus exiting the preheating mode.

[0217] In this embodiment, the controller 4 is further configured to control the heating element 162 to operate at a second power supply when the system is in suction mode, so as to heat the aerosol generating material in the preheating chamber 12 to a second temperature; the second temperature is higher than the first temperature, and at the second temperature, the liquid aerosol generating material can be atomized; it should be noted that at the first temperature, the aerosol generating material will neither be completely atomized nor partially atomized (micro-atomization). By setting the first power supply, the power consumption of the preheating chamber 12 can be further reduced, which can ensure that the initial temperature of the aerosol is raised when the user sucks to improve the taste, and also increase the usage time of the entire system.

[0218] In this embodiment, the controller 4 is further configured to determine that the system is in suction mode based on the user's suction action. Specifically, the suction mode can be changed based on the duration of a single suction action, the interval between suction actions, and the amplitude of the suction action (the amount of suction within the same time period). For example, if the user performs a suction action that lasts for 8 seconds (a normal suction action typically lasts 3-5 seconds), it can be determined that the user wishes to enter the preheating mode.

[0219] In this embodiment, the first regulating element 131 is an electric valve; the system also includes a sensor configured to detect the amount of aerosol-generating material in the preheating chamber 12; and a controller 4 configured to control the electric valve to move to the open position to open the first fluid channel 151 when the amount of aerosol-generating material is lower than a first preset value, and to control the electric valve to move to the closed position to close the first fluid channel 151 when the amount of aerosol-generating material in the preheating chamber 12 is higher than a second preset value. The sensor can be a weight sensor, which determines the specific amount of aerosol-generating material in the preheating chamber 12 by detecting its weight. It can also be a flow sensor, etc. This application does not impose specific limitations on this.

[0220] Example 4

[0221] The fourth aspect of this application discloses a heating control method applied to the above-mentioned aerosol supply system 2, the method comprising:

[0222] When the system is in preheating mode, the controller 4 controls the heating element 162 to operate at a first power supply to heat the aerosol generating material in the preheating chamber 12 to a first temperature; at the first temperature, the liquid aerosol generating material cannot be atomized.

[0223] In this embodiment of the application, the method further includes: the controller 4 determining that the system is in preheating mode according to the preheating start command input by the user; and / or: the controller 4 determining that the system is in preheating mode when the user finishes the most recent suction and a first preset time has elapsed.

[0224] In this embodiment of the application, the method further includes: the controller 4 determining that the system exits the preheating mode according to the preheating end command input by the user; and / or: the controller 4 determining that the system exits the preheating mode when the duration of the user's non-aspiration reaches a second preset time.

[0225] In this embodiment of the application, the method further includes: when the system is in suction mode, the controller 4 controls the heating element 162 to operate at a second power supply to heat the aerosol generating material in the preheating chamber 12 to a second temperature; the second temperature is higher than the first temperature, and at the second temperature, the liquid aerosol generating material can be atomized.

[0226] In this embodiment of the application, the method further includes: the controller 4 determines that the system is in suction mode based on the user's suction action; specifically, the suction mode of the system can be changed according to the different duration of the user's suction action, the interval duration of the suction action, and the amplitude of the suction action (the amount of suction in the same time period).

[0227] like Figure 6 A specific method flowchart is shown, including:

[0228] Based on the user's input preheating start command, the heating element 162 is controlled to start the preheating mode (e.g., the heating element 162 operates at the first power). Subsequently, when the user makes a suction action, the sensor triggers the suction mode, and the heating element 162 switches from the preheating mode to the suction mode (e.g., the heating element 162 operates at the second power), thereby atomizing and generating an aerosol. When the user interrupts the suction action for a certain period of time, the heating element 162 returns to the preheating mode.

[0229] When in preheating mode, if the user does not initiate the suction action for a certain period of time, or if the user inputs a command to end preheating, the preheating will end.

[0230] In this embodiment, the first regulating element 131 is an electric valve; the system also includes a sensor configured to detect the amount of aerosol generating material in the preheating chamber 12; the method further includes: when the amount of aerosol generating material is lower than a first preset value, the controller 4 controls the electric valve to move to the open position to open the first fluid channel 151, and when the amount of aerosol generating material is higher than a second preset value, the controller controls the electric valve to move to the closed position to close the first fluid channel 151.

[0231] It should be noted that the relevant content in Examples 1 to 4 can be referenced from each other, and the same or similar parts will not be repeated here.

[0232] It is understood that the above text and illustrations are merely descriptions of some embodiments of this application. Without departing from the concept of this application, users may make other modifications according to the actual needs of the product.

[0233] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0234] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0235] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0236] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A fluid control arrangement for an aerosol provision system, characterised in that, The fluid control structure comprises: a liquid storage cavity configured to contain a liquid aerosol generating material; a preheating cavity; a first fluid passage provided between the liquid storage cavity and the preheating cavity; the liquid storage cavity supplies liquid to the preheating cavity through the first fluid passage; a first regulating member configured to be movable between an open position in which the first fluid passage is open and a closed position in which the first fluid passage is closed.

2. The fluid control structure of claim 1, wherein, The first regulating member is a first valve.

3. The fluid control structure of claim 2, wherein, The first valve is a first one-way valve configured to allow the liquid aerosol generating material to flow in a direction from the liquid storage cavity to the preheating cavity and prevent the liquid aerosol generating material from flowing in a direction from the preheating cavity to the liquid storage cavity when in the open position.

4. The fluid control structure of claim 3, wherein, The fluid control structure further comprises: a second fluid passage provided between the liquid storage cavity and the preheating cavity; a fluid flux of the second fluid passage is lower than a preset flux value in a direction from the liquid storage cavity to the preheating cavity.

5. The fluid control structure of claim 4, wherein, The fluid control structure further comprises: a second one-way valve configured to allow fluid to flow in a direction from the preheating cavity to the liquid storage cavity and prevent fluid from flowing in a direction from the liquid storage cavity to the preheating cavity in the second fluid passage.

6. The fluid control structure of claim 5, wherein, The first one-way valve and / or the second one-way valve has a deformable opening.

7. The fluid control structure of claim 6, wherein, The deformable opening is duckbill-shaped.

8. The fluid control structure according to claim 1, wherein the preheating cavity is smaller than the liquid storage cavity.

9. The fluid control structure according to any one of claims 1 to 8, wherein the fluid control structure further comprises: a heating element configured to work at a first power supply to heat the liquid aerosol generating material in the preheating cavity to a first temperature; the liquid aerosol generating material is not atomizable at the first temperature.

10. The fluid control structure according to claim 9, wherein the heating element is further configured to work at a second power supply to heat the liquid aerosol generating material in the preheating cavity to a second temperature; the second temperature is higher than the first temperature, and the liquid aerosol generating material is atomizable at the second temperature.

11. The fluid control structure of claim 10, wherein, The fluid control structure further comprises an atomizer, the atomizer comprising: an atomizer housing defining the preheating cavity; and the heating element.

12. The fluid control structure of claim 11, wherein, The atomizer housing comprises: a first sealing member provided between the liquid storage cavity and the preheating cavity, the first fluid passage being provided on the first sealing member.

13. The fluid control structure of claim 1, wherein, A maximum containable amount of the liquid storage cavity is configured to be capable of supplying liquid to the preheating cavity at least twice.

14. Apparatus of an aerosol provision system, characterised in that, The device comprises the fluid control structure according to any one of claims 1 to 13, and the device is a cartridge or an aerosol supply device.

15. An aerosol provision system comprising: The system comprises: the fluid control structure according to any one of claims 1 to 13; a heating element configured to generate heat by being powered to heat the liquid aerosol generating material in the preheating cavity; a controller configured to control the heating element to work at a first power supply to heat the liquid aerosol generating material in the preheating cavity to a first temperature when the system is in a preheating mode; the liquid aerosol generating material is not atomizable at the first temperature.

16. The aerosol provision system of claim 15, wherein: the controller is further configured to determine that the system is in the pre-heat mode based on a pre-heat initiation input from a user; and / or; the controller is further configured to determine that the system is in the pre-heat mode based on a duration of a most recent puff by the user being less than a first predetermined time.

17. The aerosol provision system of claim 15, wherein: the controller is further configured to determine that the system is to exit the pre-heat mode based on a pre-heat termination input from a user; and / or; the controller is further configured to determine that the system is to exit the pre-heat mode based on a duration of no puffing by the user being greater than a second predetermined time.

18. The aerosol provision system of claim 15, wherein: the controller is further configured to control the heating element to operate at a second power to heat the aerosol generating material in the pre-heat chamber to a second temperature when the system is in a puffing mode; the second temperature is higher than the first temperature, and the liquid aerosol generating material is aerosolizable at the second temperature.

19. The aerosol provision system of claim 18, wherein: the controller is further configured to determine that the system is in the puffing mode based on a puffing action by a user.

20. A method of heating control for an aerosol provision system, for use in an aerosol provision system according to any of claims 15 to 19, characterised in that, the method comprises: controlling the heating element to operate at a first power to heat the aerosol generating material in the pre-heat chamber to a first temperature when the system is in a pre-heat mode; the first temperature is below a temperature at which the liquid aerosol generating material is aerosolizable.

21. A method of heating control for an aerosol provision system according to claim 20, wherein, the method further comprises: determining that the system is in the pre-heat mode based on a pre-heat initiation input from a user; and / or; determining that the system is in the pre-heat mode based on a duration of a most recent puff by the user being less than a first predetermined time.

22. A method of heating control for an aerosol provision system according to claim 20, wherein, the method further comprises: determining that the system is to exit the pre-heat mode based on a pre-heat termination input from a user; and / or; determining that the system is to exit the pre-heat mode based on a duration of no puffing by the user being greater than a second predetermined time.

23. A method of heating control for an aerosol provision system according to claim 20, wherein, the method further comprises: controlling the heating element to operate at a second power to heat the aerosol generating material in the pre-heat chamber to a second temperature when the system is in a puffing mode; the second temperature is higher than the first temperature, and the liquid aerosol generating material is aerosolizable at the second temperature.

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