Aerosol provision system comprising a coil for inductive heating and wireless charging

The aerosol provision system integrates a coil for both heating and wireless charging, addressing safety and aesthetic issues in traditional e-cigarette charging methods by enabling mode-switching and wireless charging, thus enhancing user safety and aesthetics.

WO2025157932A1PCT designated stage expired Publication Date: 2025-07-31NICOVENTURES TRADING LTD
View PDF 4 Cites 0 Cited by

Patent Information

Application Number
PCT/EP2025/051696
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-01-23
Filing Date
2025-01-23
Publication Date
2025-07-31

AI Technical Summary

Technical Problem

Traditional charging methods for e-cigarettes require physical connections, which can lead to safety risks and aesthetic drawbacks, and non-compliant chargers may damage the device.

Method used

An aerosol provision system with a coil that functions as both a heating element and a wireless charging receiver, allowing for seamless mode switching between aerosol generation and wireless charging, utilizing electromagnetic induction heating and wireless charging technology.

Benefits of technology

The system provides a streamlined, safe, and cost-effective solution by integrating heating and charging functions, enhancing user safety and aesthetics while reducing the need for physical connections.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure EP2025051696_31072025_PF_FP_ABST
    Figure EP2025051696_31072025_PF_FP_ABST
Patent Text Reader

Abstract

There is provided an aerosol provision system, a wireless charging assembly, and an aerosol provision assembly. The aerosol provision assembly comprises an aerosol provision system and a wireless charging assembly. The aerosol provision system comprises a housing and a receiving pipe arranged within the housing, a first battery and a first coil electrically connected to the first battery. The first coil is sleeved around the receiving pipe. The receiving pipe is configured to accommodate an aerosol-generating material. The wireless charging assembly comprises a main body and a wireless charging stick protruding from the main body. The wireless charging stick is internally provided with a charging transmission coil acting as a wireless charging transmitter, the wireless charging stick is used to be inserted into the receiving pipe and to work in conjunction with the first coil to charge the first battery.
Need to check novelty before this filing date? Find Prior Art

Description

[0001] AEROSOL PROVISION SYSTEM COMPRISING A COIL FOR INDUCTIVE HEATING AND WIRELESS CHARGING

[0002] Technical Field

[0003] The present application relates to the field of aerosol provision technology, particularly to an aerosol provision system, a wireless charging assembly and an aerosol provision assembly.

[0004] Technical Background

[0005] With the development of technology, electronic cigarettes (e-cigarettes) have rapidly gained market share over traditional cigarettes due to their reduced health risks and innovative, appealing flavors. In some devices, recharging the e-cigarette's battery requires connecting the device to a power source, such as a power outlet or a USB connection. However, traditional charging methods present limitations. For instance, the exposed USB ports often have low waterproof ratings, posing risks of short circuits and damage. Furthermore, substandard and non-compliant chargers may harm the device. Additionally, the necessity of keeping cables plugged into the device results in a less aesthetically pleasing structure.

[0006] Summary

[0007] According to a first aspect, there is provided an aerosol provision system, the aerosol provision system comprises: a housing and a receiving pipe arranged within the housing, the receiving pipe being configured to accommodate aerosol-generating material; a first battery arranged within the housing and a first coil electrically connected to the first battery; the aerosol provision system has a working mode and a wireless charging mode; when the aerosol provision system is in working mode, at least part of the first coil is sleeved around the receiving pipe; when the aerosol provision system is in wireless charging mode, the first coil acts as a wireless charging receiving coil, used for charging the first battery.

[0008] Optionally, the receiving pipe has an insertion port at its top end for inserting the aerosol-generating material, the first coil is arranged near the top end and is spaced apart from the bottom end of the receiving pipe. Optionally, when the aerosol provision system is in working mode, the first coil is sleeved around the outside of the receiving pipe.

[0009] Optionally, when the aerosol provision system is in working mode, the first battery is configured to supply power to the first coil, the first coil heats the aerosol-generating material inside the receiving pipe through electromagnetic induction heating; when the aerosol provision system is in the wireless charging mode, the first battery is configured to stop supplying power to the first coil.

[0010] Optionally, the receiving pipe can move up and down; in the first position, at least part of the first coil is coaxially sleeved with the receiving pipe and heats the aerosol-generating material inside the receiving pipe through electromagnetic induction heating; in the second position, at least part of the first coil extends beyond the top end of the receiving pipe and acts as the receiving coil in the wireless charging mode.

[0011] Optionally, in the second position, the first coil is entirely positioned above the receiving Pipe.

[0012] Optionally, the interior of the housing is provided with an elastic component; the elastic component is compressed when the receiving pipe moves to the second position, providing an upward rebound force to the receiving pipe.

[0013] The elastic component may be configured to enable the movement of the receiving pipe between the first position and second position.

[0014] Optionally, the aerosol provision system comprises a second coil electrically connected to the first battery, used for heating the aerosol-generating material through electromagnetic induction heating after being powered; the second coil is arranged near the bottom end of the receiving pipe and is spaced apart from the top end of the receiving pipe.

[0015] According to a second aspect, there is provided a wireless charging assembly, the wireless charging assembly comprises a main body and a wireless charging stick protruding from the main body; the wireless charging stick is internally provided with a charging transmission coil acting as a wireless charging transmitter, the wireless charging stick is used to be inserted into the receiving pipe of the aerosol provision system of the first aspect and to work in conjunction with the first coil.

[0016] Optionally, the charging transmission coil is wound inside the wireless charging stick and extends along the length of the wireless charging stick.

[0017] Optionally, the main body is provided with an external power supply interface; the wireless charging assembly comprises a charging control component that is electrically connected to the external power supply interface and the charging transmission coil; the charging control component is configured to send power through the charging transmission coil when the external power supply interface is connected to an external power source and the charging transmission coil is coupled with a wireless charging receiving element. Optionally, the main body is provided with a second battery which is electrically connected to the charging control component; the charging control component is configured to control the storage of power in the second battery when the external power supply interface is connected to an external power source, and / or to control the second battery to send power through the charging transmission coil when the external power supply interface is not connected to the external power source and the charging transmission coil is coupled with a wireless charging receiving element.

[0018] According to a third aspect, there is provided an aerosol provision assembly; the aerosol provision assembly comprises the aerosol provision system of the first aspect and wireless charging assembly of the second aspect.

[0019] The wireless charging stick may be inserted into the receiving pipe through an opening in the housing.

[0020] Optionally, the receiving pipe may be hollow tubular in shape, and the outer diameter of the wireless charging stick is greater than or equal to the inner diameter of the receiving Pipe.

[0021] Optionally, the top end of the housing is provided with a first locking structure, and the main body is equipped with a second locking structure that mates with the first locking structure.

[0022] The first locking structure and the second locking structure may be mutually compatible magnetic components.

[0023] Optionally, the outer diameter of the main body is less than or equal to the outer diameter of the top end of the housing, and the opening of the external power supply interface is positioned on the side opposite to the second locking structure.

[0024] Optionally, the outer diameter of the main body is larger than the outer diameter of the top end of the housing; the opening of the external power supply interface is positioned on the side wall of the main body.

[0025] Optionally, the aerosol provision system comprises a control unit, and the wireless charging stick comprises a charging control component, the charging control component is used to send an activation signal to the control unit when the wireless charging stick is fully inserted into the housing, the control unit configures the aerosol provision system into the wireless charging mode based on the activation signal.

[0026] Based on the embodiments above, the cooperating aerosol provision system and wireless charging assembly utilize the original receiving pipe for aerosol-generating materials in the system to achieve wireless charging of the aerosol provision system, with a streamlined structure and high charging safety.

[0027] Furthermore, the first coil can be utilized both for wireless charging and for heating and atomizing within the system. By leveraging the existing heating coil in the system to enable wireless charging functionality, the structure is further simplified, and the overall cost is reduced.

[0028] Additional aspects and advantages will be partially described in the following description.

[0029] Drawings

[0030] Referring to the accompanying drawings, the disclosed content of the present application will become more understandable. It should be easily understood by those skilled in the art that these drawings are only for illustrative purposes and are not intended to limit the scope of protection. Moreover, similar numbers in the figures are used to represent similar components, wherein:

[0031] Figure 1 is a perspective schematic diagram of an aerosol provision system.

[0032] Figure 2 is a structural schematic diagram showing a receiving pipe of the aerosol provision system as illustrated in Figure 1 in a first position.

[0033] Figure 3 is a structural schematic diagram showing the receiving pipe of the aerosol provision system as illustrated in Figure 1 in a second position.

[0034] Figure 4 is a structural schematic diagram of a wireless charging assembly.

[0035] Figure 5 is a structural schematic diagram of another wireless charging assembly.

[0036] Figure 6 is a structural schematic diagram of an aerosol provision assembly in a wireless charging mode.

[0037] Detailed description

[0038] The following describes some embodiments with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principles and are not intended to limit the scope of protection of the present application.

[0039] As used herein, the term "delivery system" is intended to encompass systems that deliver at least one substance to a user in use, and includes: combustible aerosol provision systems, such as cigarettes, cigarillos, cigars, and tobacco for pipes or for roll-your-own or for make-your-own cigarettes (whether based on tobacco, tobacco derivatives, expanded tobacco, reconstituted tobacco, tobacco substitutes or other smokable material); non-combustible aerosol provision systems that release compounds from an aerosolgenerating material without combusting the aerosol-generating material, such as electronic cigarettes, tobacco heating products, and hybrid systems to generate aerosol using a combination of aerosol-generating materials; and aerosol-free delivery systems that deliver the at least one substance to a user orally, nasally, transdermally or in another way without forming an aerosol, including but not limited to, lozenges, gums, patches, articles comprising inhalable powders, and oral products such as oral tobacco which includes snus or moist snuff, wherein the at least one substance may or may not comprise nicotine.

[0040] According to the present disclosure, a "combustible" aerosol provision system is one where a constituent aerosol-generating material of the aerosol provision system (or component thereof) is combusted or burned during use in order to facilitate delivery of at least one substance to a user.

[0041] In some embodiments, the delivery system is a combustible aerosol provision system, such as a system selected from the group consisting of a cigarette, a cigarillo and a cigar.

[0042] In some embodiments, the disclosure relates to a component for use in a combustible aerosol provision system, such as a filter, a filter rod, a filter segment, a tobacco rod, a spill, an aerosol-modifying agent release component such as a capsule, a thread, or a bead, or a paper such as a plug wrap, a tipping paper or a cigarette paper.

[0043] According to the present disclosure, a "non-combustible" aerosol provision system is one where a constituent aerosol-generating material of the aerosol provision system (or component thereof) is not combusted or burned in order to facilitate delivery of at least one substance to a user.

[0044] In some embodiments, the delivery system is a non-combustible aerosol provision system, such as a powered non-combustible aerosol provision system.

[0045] In some embodiments, the non-combustible aerosol provision system is an electronic cigarette, also known as a vaping device or electronic nicotine delivery system (END), although it is noted that the presence of nicotine in the aerosol-generating material is not a requirement.

[0046] In some embodiments, the non-combustible aerosol provision system is an aerosolgenerating material heating system, also known as a heat-not-burn system. An example of such a system is a tobacco heating system.

[0047] In some embodiments, the non-combustible aerosol provision system is a hybrid system to generate aerosol using a combination of aerosol-generating materials, one or a plurality of which may be heated. Each of the aerosol-generating materials may be, for example, in the form of a solid, liquid or gel and may or may not contain nicotine. In some embodiments, the hybrid system comprises a liquid or gel aerosol-generating material and a solid aerosol-generating material. The solid aerosol-generating material may comprise, for example, tobacco or a non-tobacco product. Typically, the non-combustible aerosol provision system may comprise a noncombustible aerosol provision device and a consumable for use with the non-combustible aerosol provision device.

[0048] In some embodiments, the disclosure relates to consumables comprising aerosolgenerating material and configured to be used with non-combustible aerosol provision devices. These consumables are sometimes referred to as articles throughout the disclosure.

[0049] In some embodiments, the non-combustible aerosol provision system, such as a non- combustible aerosol provision device thereof, may comprise a power source and a controller. The power source may, for example, be an electric power source or an exothermic power source. In some embodiments, the exothermic power source comprises a carbon substrate which may be energised so as to distribute power in the form of heat to an aerosol-generating material or to a heat transfer material in proximity to the exothermic power source.

[0050] In some embodiments, the non-combustible aerosol provision system may comprise an area for receiving the consumable, an aerosol generator, an aerosol generation area, a housing, a mouthpiece, a filter and / or an aerosol-modifying agent.

[0051] In some embodiments, the consumable for use with the non-combustible aerosol provision device may comprise aerosol-generating material, an aerosol-generating material storage area, an aerosol-generating material transfer component, an aerosol generator, an aerosol generation area, a housing, a wrapper, a filter, a mouthpiece, and / or an aerosolmodifying agent.

[0052] In some embodiments, the delivery system is an aerosol-free delivery system that delivers at least one substance to a user orally, nasally, transdermally or in another way without forming an aerosol, including but not limited to, lozenges, gums, patches, articles comprising inhalable powders, and oral products such as oral tobacco which includes snus or moist snuff, wherein the at least one substance may or may not comprise nicotine.

[0053] In some embodiments, the substance to be delivered may be an aerosol-generating material or a material that is not intended to be aerosolised. As appropriate, either material may comprise one or more active constituents, one or more flavours, one or more aerosolformer materials, and / or one or more other functional materials.

[0054] In some embodiments, the substance to be delivered comprises an active substance. The active substance as used herein may be a physiologically active material, which is a material intended to achieve or enhance a physiological response. The active substance may for example be selected from nutraceuticals, nootropics, psychoactives. The active substance may be naturally occurring or synthetically obtained. The active substance may comprise for example nicotine, caffeine, taurine, theine, vitamins such as B6 or B12 or C, melatonin, cannabinoids, or constituents, derivatives, or combinations thereof. The active substance may comprise one or more constituents, derivatives or extracts of tobacco, cannabis or another botanical.

[0055] In some embodiments, the active substance comprises nicotine. In some embodiments, the active substance comprises caffeine, melatonin or vitamin B12.

[0056] As noted herein, the active substance may comprise one or more constituents, derivatives or extracts of cannabis, such as one or more cannabinoids or terpenes.

[0057] As noted herein, the active substance may comprise or be derived from one or more botanicals or constituents, derivatives or extracts thereof. As used herein, the term "botanical" includes any material derived from plants including, but not limited to, extracts, leaves, bark, fibres, stems, roots, seeds, flowers, fruits, pollen, husk, shells or the like. Alternatively, the material may comprise an active compound naturally existing in a botanical, obtained synthetically. The material may be in the form of liquid, gas, solid, powder, dust, crushed particles, granules, pellets, shreds, strips, sheets, or the like.

[0058] Example botanicals are tobacco, eucalyptus, star anise, hemp, cocoa, cannabis, fennel, lemongrass, peppermint, spearmint, rooibos, chamomile, flax, ginger, ginkgo biloba, hazel, hibiscus, laurel, licorice (liquorice), matcha, mate, orange skin, papaya, rose, sage, tea such as green tea or black tea, thyme, clove, cinnamon, coffee, aniseed (anise), basil, bay leaves, cardamom, coriander, cumin, nutmeg, oregano, paprika, rosemary, saffron, lavender, lemon peel, mint, juniper, elderflower, vanilla, Wintergreen, beefsteak plant, curcuma, turmeric, sandalwood, cilantro, bergamot, orange blossom, myrtle, cassis, valerian, pimento, mace, damien, marjoram, olive, lemon balm, lemon basil, chive, carvi, verbena, tarragon, geranium, mulberry, ginseng, theanine, theacrine, maca, ashwagandha, damiana, guarana, chlorophyll, baobab or any combination thereof. The mint may be chosen from the following mint varieties: Mentha Arventis, Mentha c.v., Mentha niliaca, Mentha piperita, Mentha piperita citrata c.v., Mentha piperita c.v, Mentha spicata crispa, Mentha cardifolia, Memtha longifolia, Mentha suaveolens variegata, Mentha pulegium, Mentha spicata c.v. and Mentha suaveolens.

[0059] In some embodiments, the active substance comprises or is derived from one or more botanicals or constituents, derivatives or extracts thereof and the botanical is tobacco. In some embodiments, the active substance comprises or derived from one or more botanicals or constituents, derivatives or extracts thereof and the botanical is selected from eucalyptus, star anise, cocoa and hemp.

[0060] In some embodiments, the active substance comprises or derived from one or more botanicals or constituents, derivatives or extracts thereof and the botanical is selected from rooibos and fennel.

[0061] In some embodiments, the substance to be delivered comprises a flavour. As used herein, the terms "flavour" and "flavourant" refer to materials which, where local regulations permit, may be used to create a desired taste, aroma or other somatosensorial sensation in a product for adult consumers. They may include naturally occurring flavour materials, botanicals, extracts of botanicals, synthetically obtained materials, or combinations thereof (e.g., tobacco, cannabis, licorice (liquorice), hydrangea, eugenol, Japanese white bark magnolia leaf, chamomile, fenugreek, clove, maple, matcha, menthol, Japanese mint, aniseed (anise), cinnamon, turmeric, Indian spices, Asian spices, herb, Wintergreen, cherry, berry, red berry, cranberry, peach, apple, orange, mango, clementine, lemon, lime, tropical fruit, papaya, rhubarb, grape, durian, dragon fruit, cucumber, blueberry, mulberry, citrus fruits, Drambuie, bourbon, scotch, whiskey, gin, tequila, rum, spearmint, peppermint, lavender, aloe vera, cardamom, celery, cascarilla, nutmeg, sandalwood, bergamot, geranium, khat, naswar, betel, shisha, pine, honey essence, rose oil, vanilla, lemon oil, orange oil, orange blossom, cherry blossom, cassia, caraway, cognac, jasmine, ylang-ylang, sage, fennel, wasabi, piment, ginger, coriander, coffee, hemp, a mint oil from any species of the genus Mentha, eucalyptus, star anise, cocoa, lemongrass, rooibos, flax, ginkgo biloba, hazel, hibiscus, laurel, mate, orange skin, rose, tea such as green tea or black tea, thyme, juniper, elderflower, basil, bay leaves, cumin, oregano, paprika, rosemary, saffron, lemon peel, mint, beefsteak plant, curcuma, cilantro, myrtle, cassis, valerian, pimento, mace, damien, marjoram, olive, lemon balm, lemon basil, chive, carvi, verbena, tarragon, limonene, thymol, camphene), flavour enhancers, bitterness receptor site blockers, sensorial receptor site activators or stimulators, sugars and / or sugar substitutes (e.g., sucralose, acesulfame potassium, aspartame, saccharine, cyclamates, lactose, sucrose, glucose, fructose, sorbitol, or mannitol), and other additives such as charcoal, chlorophyll, minerals, botanicals, or breath freshening agents. They may be imitation, synthetic or natural ingredients or blends thereof. They may be in any suitable form, for example, liquid such as an oil, solid such as a powder, or gas.

[0062] In some embodiments, the flavour comprises menthol, spearmint and / or peppermint. In some embodiments, the flavour comprises flavour components of cucumber, blueberry, citrus fruits and / or redberry. In some embodiments, the flavour comprises eugenol. In some embodiments, the flavour comprises flavour components extracted from tobacco. In some embodiments, the flavour comprises flavour components extracted from cannabis.

[0063] In some embodiments, the flavour may comprise a sensate, which is intended to achieve a somatosensorial sensation which are usually chemically induced and perceived by the stimulation of the fifth cranial nerve (trigeminal nerve), in addition to or in place of aroma or taste nerves, and these may include agents providing heating, cooling, tingling, numbing effect. A suitable heat effect agent may be, but is not limited to, vanillyl ethyl ether and a suitable cooling agent may be, but not limited to eucolyptol, WS-3.

[0064] Aerosol-generating material is a material that is capable of generating aerosol, for example when heated, irradiated or energized in any other way. Aerosol-generating material may, for example, be in the form of a solid, liquid or gel which may or may not contain an active substance and / or flavourants. In some embodiments, the aerosol-generating material may comprise an "amorphous solid", which may alternatively be referred to as a "monolithic solid" (i.e. non-fibrous). In some embodiments, the amorphous solid may be a dried gel. The amorphous solid is a solid material that may retain some fluid, such as liquid, within it. In some embodiments, the aerosol-generating material may for example comprise from about 50wt%, 60wt% or 70wt% of amorphous solid, to about 90wt%, 95wt% or 100wt% of amorphous solid.

[0065] The aerosol-generating material may comprise one or more active substances and / or flavours, one or more aerosol-former materials, and optionally one or more other functional material.

[0066] The aerosol-former material may comprise one or more constituents capable of forming an aerosol. In some embodiments, the aerosol-former material may comprise one or more of glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1 ,3-butylene glycol, erythritol, meso-Erythritol, ethyl vanillate, ethyl laurate, a diethyl suberate, triethyl citrate, triacetin, a diacetin mixture, benzyl benzoate, benzyl phenyl acetate, tributyrin, lauryl acetate, lauric acid, myristic acid, and propylene carbonate.

[0067] The one or more other functional materials may comprise one or more of pH regulators, colouring agents, preservatives, binders, fillers, stabilizers, and / or antioxidants.

[0068] The material may be present on or in a support, to form a substrate. The support may, for example, be or comprise paper, card, paperboard, cardboard, reconstituted material, a plastics material, a ceramic material, a composite material, glass, a metal, or a metal alloy. In some embodiments, the support comprises a susceptor. In some embodiments, the susceptor is embedded within the material. In some alternative embodiments, the susceptor is on one or either side of the material.

[0069] A consumable is an article comprising or consisting of aerosol-generating material, part or all of which is intended to be consumed during use by a user. A consumable may comprise one or more other components, such as an aerosol-generating material storage area, an aerosol-generating material transfer component, an aerosol generation area, a housing, a wrapper, a mouthpiece, a filter and / or an aerosol-modifying agent. A consumable may also comprise an aerosol generator, such as a heater, that emits heat to cause the aerosol-generating material to generate aerosol in use. The heater may, for example, comprise combustible material, a material heatable by electrical conduction, or a susceptor.

[0070] A susceptor is a material that is heatable by penetration with a varying magnetic field, such as an alternating magnetic field. The susceptor may be an electrically-conductive material, so that penetration thereof with a varying magnetic field causes induction heating of the heating material. The heating material may be magnetic material, so that penetration thereof with a varying magnetic field causes magnetic hysteresis heating of the heating material. The susceptor may be both electrically-conductive and magnetic, so that the susceptor is heatable by both heating mechanisms. The device that is configured to generate the varying magnetic field is referred to as a magnetic field generator, herein.

[0071] An aerosol-modifying agent is a substance, typically located downstream of the aerosol generation area, that is configured to modify the aerosol generated, for example by changing the taste, flavour, acidity or another characteristic of the aerosol. The aerosolmodifying agent may be provided in an aerosol-modifying agent release component, that is operable to selectively release the aerosol-modifying agent. The aerosol-modifying agent may, for example, be an additive or a sorbent. The aerosol-modifying agent may, for example, comprise one or more of a flavourant, a colourant, water, and a carbon adsorbent. The aerosol-modifying agent may, for example, be a solid, a liquid, or a gel. The aerosol-modifying agent may be in powder, thread or granule form. The aerosol-modifying agent may be free from filtration material.

[0072] An aerosol generator is an apparatus configured to cause aerosol to be generated from the aerosol-generating material. In some embodiments, the aerosol generator is a heater configured to subject the aerosol-generating material to heat energy, so as to release one or more volatiles from the aerosol-generating material to form an aerosol. In some embodiments, the aerosol generator is configured to cause an aerosol to be generated from the aerosolgenerating material without heating. For example, the aerosol generator may be configured to subject the aerosol-generating material to one or more of vibration, increased pressure, or electrostatic energy.

[0073] The present disclosure relates to aerosol delivery systems (which may also be referred to as vapour delivery systems) such as nebulisers or e-cigarettes. Throughout the following description the term "e-cigarette" or "electronic cigarette" may sometimes be used, but it will be appreciated this term may be used interchangeably with aerosol delivery system I device and electronic aerosol delivery system I device. Furthermore, and as is common in the technical field, the terms "aerosol" and "vapour", and related terms such as "vaporise", "volatilise" and "aerosolise", may generally be used interchangeably.

[0074] Aerosol delivery systems (e-cigarettes) often, though not always, comprise a modular assembly comprising a reusable device part and a replaceable (disposable / consumable) cartridge part. Often, the replaceable cartridge part will comprise the aerosol generating material and the vaporiser (which may collectively be called a "cartomizer") and the reusable device part will comprise the power provision (e.g. rechargeable power source) and control circuitry. It will be appreciated these different parts may comprise further elements depending on functionality. For example, the reusable device part will often comprise a user interface for receiving user input and displaying operating status characteristics, and the replaceable cartridge device part in some cases comprises a temperature sensor for helping to control temperature. Cartridges are electrically and mechanically coupled to the control unit for use, for example using a screw thread, bayonet, or magnetic coupling with appropriately arranged electrical contacts. When the aerosol generating material in a cartridge is exhausted, or the user wishes to switch to a different cartridge having a different aerosol generating material, the cartridge may be removed from the reusable part and a replacement cartridge attached in its place. Systems and devices conforming to this type of two-part modular configuration may generally be referred to as two-part systems / devices.

[0075] It is common for electronic cigarettes to have a generally elongate shape. For the sake of providing a concrete example, certain embodiments of the disclosure will be taken to comprise this kind of generally elongate two-part system employing disposable cartridges. However, it will be appreciated that the underlying principles described herein may equally be adopted for different configurations, for example single-part systems or modular systems comprising more than two parts, refillable devices and single-use disposables, as well as other overall shapes, for example based on so-called box-mod high performance devices that typically have a boxier shape. More generally, it will be appreciated certain embodiments of the disclosure are based on aerosol delivery systems which are operationally configured to provide functionality in accordance with the principles described herein and the constructional aspects of systems configured to provide the functionality in accordance with certain embodiments of the disclosure is not of primary significance.

[0076] Referring to Figures 1 to 3, an embodiment provides an aerosol provision system 10, comprising: a housing 101 , and a receiving pipe 102 arranged within the housing 101. The receiving pipe 102 is configured to accommodate aerosol-generating material. The aerosolgenerating material is typically contained within an e-cigarette rod. In one embodiment, the e- cigarette rod is substantially cylindrical in shape. The housing 101 is provided with an opening 101a. The end of the aerosol provision system 10 closest to the opening 101a may be known as the top end and the end of the aerosol provision system 10 distal from the opening 101a may be known as the bottom end. The terms top and bottom as applied to features of the aerosol provision system 10 denotes the positions of those features with respect to the top and bottom ends of the aerosol provision system 10.

[0077] Corresponding to the e-cigarette rod, the receiving pipe 102 has an insertion port at its top end and a receiving chamber configured to accommodate the e-cigarette rod. The insertion port of the receiving pipe 102 is in communication with the opening 101a of the housing 101 , allowing the e-cigarette rod to be inserted into the receiving pipe 102 and substantially sealing the opening 101a of the housing 101.

[0078] In this embodiment, the aerosol provision system 10 may operate in multiple modes. When the e-cigarette rod is inserted into the receiving pipe 102, the aerosol provision system 10 enters a working mode, in which the aerosol-generating material in the e-cigarette rod is heated to produce aerosol for a user to puff. When the aerosol provision system 10 is coupled with a wireless charging device, it transitions to a wireless charging mode. When there is no e-cigarette rod inserted into the aerosol provision system 10 and it is not coupled with a wireless charging device, the aerosol provision system 10 remains in a standby mode.

[0079] In an embodiment, the housing 101 of the aerosol provision system 10 is provided with a first battery 103 and a first coil 104 electrically connected to the first battery 103. The first coil 104 is used in both the working mode and the wireless charging mode of the aerosol provision system 10. As another implementation, the first coil 104 may be used exclusively in the wireless charging mode.

[0080] When the aerosol provision system 10 is in the working mode, the first battery 103 powers the first coil 104 to heat the aerosol-generating material within the e-cigarette rod. The method by which the first coil 104 achieves heating can be as follows: the first battery 103 provides current to the first coil 104, which then acts as a resistive wire with a certain resistance. Under the influence of the current, the first coil 104 heats up, thereby heating the aerosol-generating material within the e-cigarette rod. Alternatively, the first battery 103 may provide alternating current to the first coil 104, which then acts as an electromagnetic induction coil. In this case, eddy currents are generated, and electromagnetic induction heating occurs, thereby heating the aerosol-generating material within the e-cigarette rod.

[0081] The first battery 103 is a rechargeable battery. When the aerosol provision system 10 is in wireless charging mode, the first battery 103 stops supplying power to the first coil 104. At this time, the first coil 104 acts as a receiving coil for wireless charging, receiving power and charging the first battery 103.

[0082] Figures 2 and 3 respectively illustrate cross-sectional views of the aerosol provision system 10 along the AA' direction as shown in Figure 1. As shown in Figures 2 and 3, the first coil 104 is arranged near the top end of the receiving pipe 102, with a gap between the bottom end of the receiving pipe 102. When the aerosol provision system 10 is in the working mode, the first coil 104 is sleeved around the outside of the receiving pipe 102.

[0083] In an embodiment, the first coil 104 may be sleeved inside the receiving pipe 102.

[0084] In an embodiment, the housing 101 is provided with a tubular cavity 105, within which the receiving pipe 102 is located. The sidewall of the tubular cavity 105 supports the first coil 104, and the first coil 104 is positioned near the opening 101 a of the housing 101 , extending along the direction of the tubular cavity 105. The receiving pipe 102 is movable up and down within the tubular cavity 105. When the receiving pipe 102 is in a first position, near the opening 101a of the housing 101 , the first coil 104 is at least partially coaxially sleeved around the receiving pipe 102, such that the projection of the first coil 104 in the radial direction at least partially overlaps with the receiving pipe 102. When the receiving pipe 102 is in a second position, away from the opening 101a of the housing 101 , the first coil 104 extends at least partially above the top of the receiving pipe 102. In this case, the first coil 104 may act as a receiving coil in the wireless charging mode.

[0085] In an embodiment, when the receiving pipe 102 is in the first position, near the opening 101a of the housing 101 , the projection of the first coil 104 in the radial direction completely overlaps with the receiving pipe 102, so that in the working mode, the first coil 104 acts as a heating source and can efficiently heat the aerosol-generating material within the receiving pipe 102. When the receiving pipe 102 is in the second position, away from the opening 101a of the housing 101 , the projection of the first coil 104 in the radial direction does not overlap with the receiving pipe 102, preventing the receiving pipe 102 from interfering with the coupling between the wireless charging device and the first coil 104 in the wireless charging mode.

[0086] The interior of the housing 101 is provided with an elastic component 106, which may include but is not limited to a spring, pneumatic buffer, rubber hose, small airbag, etc. The elastic component 106 is compressed when the receiving pipe 102 moves to the second position, providing an upward rebound force to the receiving pipe 102. The elastic component allows the receiving pipe 102 to move between the first position and the second position. The outer diameter of the top end of the receiving pipe 102 is larger than the inner diameter of the opening 101a of the housing 101 , so that when the receiving pipe 102 is not subjected to external force, it can stably remain in the first position. For example, when the e-cigarette rod is inserted into the receiving pipe 102, although it may compress the elastic component 106 to slightly displace the receiving pipe 102 from the first position, the rebound force of the elastic component 106 will cause the receiving pipe 102 to return to the first position once the e- cigarette rod is fully inserted, thus enabling the aerosol provision system 10 to enter the working mode.

[0087] The aerosol provision system further comprises a heating coil 107, configured to heat the aerosol-generating material within the e-cigarette rod inserted into the receiving pipe 102. The heating coil 107 is supported by the tubular cavity 105, positioned near the bottom end of the receiving pipe 102 and spaced apart from the top end of the receiving pipe 102. The heating coil 107 is located further from the insertion opening of the receiving pipe 102 than the first coil 104. The heating coil 107 is coaxially arranged with the first coil 104, and the projection of the heating coil 107 in the radial direction does not overlap with the projection of the first coil 104.

[0088] A printed circuit board 108 is further provided within the housing 101. The aerosol provision system 10 further comprises a control unit electrically connected to the first battery 103, the first coil 104, and the heating coil 107. The control unit is configured to control the switching of the aerosol provision system 10 between the working mode and the wireless charging mode, as well as to implement the functions corresponding to each mode. Referring to Figures 4 and 5, as a component compatible with the aerosol provision system 10, one embodiment provides a wireless charging assembly 20. The wireless charging assembly 20 comprises a main body 21 and a wireless charging stick 22 protruding from the main body 21. A charging transmission coil 23, serving as the wireless charging transmitter, is disposed within the wireless charging stick 22. The charging transmission coil 23 is wound inside the wireless charging stick 22 and extends along its length.

[0089] The main body 21 is provided with an external power interface 24 and a printed circuit board. The wireless charging assembly 20 further comprises a charging control component electrically connected to the external power interface 24 and the charging transmission coil 23. The charging control component is mounted on the printed circuit board and is configured to transmit power through the charging transmission coil 23 when the external power interface 24 is connected to an external power source and the charging transmission coil 23 is coupled with a wireless charging receiving element.

[0090] The main body 21 is further provided with a second battery 25 electrically connected to the charging control component. The second battery 25 is a rechargeable battery. The charging control component is configured to control the second battery 25 to store power when the external power interface 24 is connected to an external power source. Additionally, when the external power interface 24 is not connected to an external power source and the charging transmission coil 23 is coupled with a wireless charging receiving element, the charging control component controls the second battery 25 to transmit power through the charging transmission coil 23.

[0091] Referring to Figures 1 to 6, an embodiment provides an aerosol provision assembly, which comprises the above aerosol provision system 10 and the wireless charging assembly 20. The wireless charging stick 22 can be inserted into the aerosol provision system 10 through the opening 101a of the housing 101 , e.g. into the cavity 105.

[0092] In an embodiment, the receiving pipe 102 may be a hollow tubular structure, and the outer diameter of the wireless charging stick 22 is greater than or equal to the inner diameter of the receiving pipe 102. During the insertion of the wireless charging stick 22 through the opening 101a of the housing 101 , it can compress the receiving pipe 102, causing it to move from the first position. When the wireless charging stick 22 is fully inserted into the aerosol provision system 10, the receiving pipe 102 is pushed to the second position. At this point, the charging transmission coil 23 within the wireless charging stick 22 is coaxially aligned with the first coil 104 in the aerosol provision system 10. The first coil 104 is sleeved around the charging transmission coil 23, and the projection of the first coil 104 in the radial direction at least partially overlaps with that of the charging transmission coil 23.

[0093] As shown in Figure 6, the top end of the housing 101 of the aerosol provision system 10 is provided with a first locking structure 31 , while the body 21 of the wireless charging assembly 20, on the side facing the top of the housing 101 , is provided with a second locking structure 32 that engages with the first locking structure 31. In an embodiment, the first locking structure 31 and the second locking structure 32 are magnetic components that interact with each other. Alternatively, the first locking structure 31 and the second locking structure 32 may be self-locking mechanisms or latch structures that cooperate with each other. These structures are configured to sufficiently resist the rebound force of the elastic member 106 when the wireless charging stick 22 is fully inserted into the aerosol provision system 10, ensuring that the wireless charging stick 22 can stably compress the receiving pipe 102 in the second position.

[0094] The body 21 of the wireless charging assembly 20 may be configured in various forms. As shown in Figure 4, to facilitate portability and ease of use for the user, the outer diameter of the body 21 of the wireless charging assembly 20 is less than or equal to the outer diameter of the top end of the housing 101. In this configuration, the opening of the external power interface 24 is located on the side opposite to the second locking structure 32. Alternatively, to ensure stable placement of the aerosol provision system 10 during wireless charging, as shown in Figure 5, the outer diameter of the body 21 of the wireless charging assembly 20 may be greater than the outer diameter of the top end of the housing 101. Further, to facilitate the connection between an external power source and the wireless charging assembly 20, the opening of the external power interface 24 may be located on the side wall of the body 21 .

[0095] When the wireless charging stick 22 is fully inserted into the housing 101 , the charging control assembly within the body 21 of the wireless charging assembly 20 transmits an activation signal to the control unit within the aerosol provision system 10. Based on the activation signal, the control unit configures the aerosol provision system 10 to operate in the wireless charging mode. Once the first battery 103 within the aerosol provision system 10 is fully charged, the control unit sends a feedback signal. The charging control assembly of the wireless charging assembly 20 ceases power transmission based on the feedback signal, thereby preventing overcharging of the first battery 103 and reducing the risk of diminished service life.

[0096] The aerosol provision system 10 can implement mode switching upon the insertion of an electronic cigarette rod or the wireless charging assembly 20 based on a combination of existing software and / or hardware. When neither an electronic cigarette rod nor the wireless charging assembly is inserted, the aerosol provision system 10 remains in standby mode. In this state, the first battery 103 ceases power supply to the first coil 104 and the heating coil 107. It should be understood that the first coil 104 and the heating coil 107 stop heating in standby mode, preventing dry-burning scenarios. When an electronic cigarette rod is inserted into the aerosol provision system 10, the system can automatically or manually switch from standby mode to working mode. When the wireless charging assembly 20 is inserted into the aerosol provision system 10, the system can switch from standby mode to wireless charging mode. Similarly, the aerosol provision system 10 and the wireless charging assembly 20 can generate and transmit activation and feedback signals through the integration of software and hardware within the control unit and the charging control assembly. For example, the generation of activation and feedback signals can be achieved via corresponding sensors, while their transmission and reception can be implemented through hardware in combination with software. Detailed explanations are omitted here.

[0097] It should be noted that, the embodiments and examples described in this specification adopt a progressive approach. Each embodiment focuses on the aspects that distinguish it from other embodiments, while the identical or similar parts between the embodiments can be referred to interchangeably.

[0098] In the description, the referential terminology "an embodiment," "some embodiments," "example," "specific example," or "some examples" means that specific features, structures, materials, or characteristics described in connection with the embodiment or example are comprised in at least one embodiment or example. In this specification, the indicative expression of the above-mentioned terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials, or characteristics may be combined in any suitable way in any one or more embodiments or examples.

[0099] Moreover, the terms "first," "second," etc., are used merely for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the characteristics defined as "first," "second," etc., may explicitly or implicitly comprise at least one such characteristic. In the description, the term "multiple" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0100] In the present disclosure, unless explicitly defined and limited, terms such as "mounting," "connecting," "connection," "fixing," etc., should be understood in a broad sense. For instance, the connection can be a fixed connection or a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary medium, it can be the internal communication of two components or the interaction between two components, unless explicitly defined otherwise. Those skilled in the art can understand the specific meanings of these terms in the context of the disclosure based on the circumstances.

[0101] Although the embodiments have been shown and described above, it should be understood that the above-described embodiments are exemplary and should not be considered as limiting. Those skilled in the art within the scope of protection can make variations, modifications, replacements, and variations to the above-described embodiments.

Claims

CLAIMS1. An aerosol provision system, comprising: a housing a receiving pipe arranged within the housing, the receiving pipe being configured to accommodate an aerosol-generating material; a first battery arranged within the housing; and a first coil electrically connected to the first battery; wherein the aerosol provision system has a working mode and a wireless charging mode; wherein, when the aerosol provision system is in the working mode, at least part of the first coil is sleeved around the receiving pipe; and wherein, when the aerosol provision system is in the wireless charging mode, the first coil acts as a wireless charging receiving coil, used for charging the first battery.

2. The aerosol provision system according to claim 1 , wherein the receiving pipe has an insertion port at its top end for inserting an aerosol-generating material, and the first coil is arranged near the top end and is spaced apart from a bottom end of the receiving pipe.

3. The aerosol provision system according to claim 1 , wherein, when the aerosol provision system is in the working mode, the first coil is sleeved around the outside of the receiving pipe.

4. The aerosol provision system according to claim 1 , wherein, when the aerosol provision system is in the working mode, the first battery is configured to supply power to the first coil, and the first coil is configured to heat the aerosol-generating material inside the receiving pipe through electromagnetic induction heating; and wherein, when the aerosol provision system is in the wireless charging mode, the first battery is configured to stop supplying power to the first coil.

5. The aerosol provision system according to claim 4, wherein the receiving pipe is configured to move up and down between a first position and a second position; wherein in the first position at least part of the first coil is coaxially sleeved with the receiving pipe and, in use, heats the aerosol-generating material inside the receiving pipe through electromagnetic induction heating; andwherein in the second position at least part of the first coil extends beyond the top end of the receiving pipe and acts as the wireless charging receiving coil in the wireless charging mode.

6. The aerosol provision system according to claim 5, wherein in the second position the first coil is entirely positioned above the receiving pipe.

7. The aerosol provision system according to claim 5, wherein the interior of the housing is provided with an elastic component, wherein the elastic component is configured to be compressed when the receiving pipe moves to the second position, providing an upward rebound force to the receiving pipe.

8. The aerosol provision system according to claim 7, wherein the elastic component is configured to enable the movement of the receiving pipe between the first position and second position.

9. The aerosol provision system according to claim 1 , further comprising a second coil electrically connected to the first battery, wherein the second coil is configured to be used for heating the aerosol-generating material through electromagnetic induction heating when powered, and wherein the second coil is arranged near the bottom end of the receiving pipe and is spaced apart from the top end of the receiving pipe.

10. A wireless charging assembly, comprising a main body and a wireless charging stick protruding from the main body; wherein the wireless charging stick is internally provided with a charging transmission coil acting as a wireless charging transmitter, and wherein the wireless charging stick is configured to be inserted into the aerosol provision system according to any of claims 1 to 9 and to work in conjunction with the first coil.

11. The wireless charging assembly according to claim 10, wherein the charging transmission coil is wound inside the wireless charging stick and extends along the length of the wireless charging stick.

12. The wireless charging assembly according to claim 11 , wherein the main body is provided with an external power supply interface, the wireless charging assembly further comprising a charging control component that is electrically connected to the external power supply interface and the charging transmission coil;wherein the charging control component is configured to send power through the charging transmission coil when the external power supply interface is connected to an external power source and the charging transmission coil is coupled with a wireless charging receiving element.

13. The wireless charging assembly according to claim 12, wherein the main body is further provided with a second battery which is electrically connected to the charging control component; and wherein the charging control component is configured to control the storage of power in the second battery when the external power supply interface is connected to an external power source, and / or to control the second battery to send power through the charging transmission coil when the external power supply interface is not connected to the external power source and the charging transmission coil is coupled with a wireless charging receiving element.

14. An aerosol provision assembly, comprising the aerosol provision system according to any of claims 1 to 9, and the wireless charging assembly according to any of claims 10 to 13.

15. An aerosol provision assembly according to claim 14, wherein the wireless charging stick is configured to be inserted into the aerosol provision system through an opening in the housing.

16. An aerosol provision assembly according to claim 15, wherein the receiving pipe is hollow and tubular in shape, and the outer diameter of the wireless charging stick is greater than or equal to the inner diameter of the receiving pipe.

17. An aerosol provision assembly according to claim 16, wherein the top end of the housing is provided with a first locking structure, and the main body is equipped with a second locking structure configured to mate with the first locking structure.

18. An aerosol provision assembly according to claim 17, wherein the first locking structure and the second locking structure are mutually compatible magnetic components.

19. An aerosol provision assembly according to claim 18, wherein the outer diameter of the main body is less than or equal to the outer diameter of the top end of the housing, and the external power supply interface is positioned on the side opposite to the second locking structure.

20. An aerosol provision assembly according to claim 18, wherein the outer diameter of the main body is larger than the outer diameter of the top end of the housing, and the external power supply interface is positioned on the side wall of the main body.

21. An aerosol provision assembly according to any of claims 14 to 20, wherein the aerosol provision system comprises a control unit, and the wireless charging stick comprises a charging control component, wherein the charging control component is configured to send an activation signal to the control unit when the wireless charging stick is fully inserted into the housing, and the control unit is configured to configure the aerosol provision system into the wireless charging mode based on receipt of the activation signal.

Citation Information

Patent Citations

  • Aerosol generation system and operation method therefor

    EP3818850A2

  • Power supply unit for aerosol inhaler, aerosol inhaler and charging unit for aerosol inhaler

    US20210127755A1

  • Induction Heating Assembly for a Vapour Generating Device

    US20230081081A1

  • Aerosol-generating device with heating and charging induction coil system

    WO2023242243A1