WO2021143688A1 - 气雾产生制品及气雾生成系统 - Google Patents

气雾产生制品及气雾生成系统 Download PDF

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Publication number
WO2021143688A1
WO2021143688A1 PCT/CN2021/071322 CN2021071322W WO2021143688A1 WO 2021143688 A1 WO2021143688 A1 WO 2021143688A1 CN 2021071322 W CN2021071322 W CN 2021071322W WO 2021143688 A1 WO2021143688 A1 WO 2021143688A1
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WIPO (PCT)
Prior art keywords
aerosol
outer wrapper
generating product
axial direction
generating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/071322
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English (en)
French (fr)
Inventor
武建
戚祖强
罗家懋
雷宝灵
徐中立
李永海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen FirstUnion Technology Co Ltd
Original Assignee
Shenzhen FirstUnion Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen FirstUnion Technology Co Ltd filed Critical Shenzhen FirstUnion Technology Co Ltd
Priority to US17/792,702 priority Critical patent/US12538941B2/en
Priority to EP21740978.8A priority patent/EP4091475A4/en
Publication of WO2021143688A1 publication Critical patent/WO2021143688A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/027—Cigars; Cigarettes with special covers with ventilating means, e.g. perforations
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
    • A24D3/17—Filters specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42—Cartridges or containers for inhalable precursors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/032—Heaters specially adapted for heating by radiation heating

Definitions

  • the embodiments of the present application relate to the field of heat-not-burn tobacco products, and in particular to an aerosol generating product and an aerosol generating system.
  • Tobacco products e.g., cigarettes, cigars, etc.
  • tobacco-burning products by making products that release compounds without burning.
  • Patent No. 201821350103.0 proposes a heating device structure in which a nanometer far-infrared coating and a conductive coating are sequentially formed on the outer surface of a quartz tube.
  • the nanometer far-infrared coating is The power supply generates heat by itself, and at the same time it forms an electronic transition to generate far-infrared, which is radiated to the tobacco product in the quartz tube to heat the tobacco product.
  • the outer packaging paper of tobacco products currently used is usually made of hemp pulp (also mixed with partially bleached wood pulp or straw pulp) after high-viscosity beating, fillers (such as calcium carbonate or stone powder, etc.) are added. It is obtained by drying after pressing on a watermark roll or an external dry press roll on a paper machine, so that when heated by infrared radiation, the outer packaging paper itself absorbs a large amount of infrared rays, which affects the efficiency of the internal tobacco products to absorb infrared heating.
  • hemp pulp also mixed with partially bleached wood pulp or straw pulp
  • fillers such as calcium carbonate or stone powder, etc.
  • embodiments of the present application provide an aerosol generating product and an aerosol generating system.
  • the term'aerosol-forming matrix' is used to describe a matrix capable of releasing volatile compounds when heated, and these volatile compounds can form an aerosol.
  • the aerosol generated by the aerosol-forming substrate of the aerosol-generating article described herein may be visible or invisible, and may include vapor (for example, fine particles of a substance, which are in a gaseous state, and these particles are usually at room temperature). Are liquid or solid) and liquid droplets of gas and condensed vapor.
  • the terms'upstream' and'downstream' are used to describe the relative position of elements or parts of the aerosol-generating article in relation to the direction in which the user sucks the aerosol-generating article during its use.
  • the aerosol-generating article includes two ends: a proximal end and a distal end, through which the aerosol leaves the aerosol-generating article and is delivered to the user.
  • the user can suck the proximal end in order to inhale the aerosol generated by the aerosol-generating product.
  • the proximal end may also be referred to as the downstream end and is downstream of the distal end.
  • the distal end may also be referred to as the upstream end, and is upstream of the proximal end.
  • the term'aerosol cooling element' is used to describe an element having a relatively large surface area and low suction resistance.
  • the aerosol formed by the volatile compounds released from the aerosol-forming substrate passes through the aerosol cooling element before being inhaled by the user, and is cooled by the aerosol cooling element.
  • aerosol cooling elements In contrast to high suction resistance filter nozzles and other mouthpieces, aerosol cooling elements have low suction resistance.
  • the aerosol-generating article is a smoking article that generates an aerosol that can be directly inhaled into the lungs of the user through the mouth of the user. More preferably, the aerosol-generating article is a smoking article that generates a nicotine-containing aerosol that can be directly inhaled into the lungs of the user through the user's mouth.
  • the aerosol-forming substrate is arranged at the upstream end of the aerosol-generating article.
  • An embodiment of the present application also proposes an aerosol generating product, including:
  • the aerosol forming substrate is configured to generate aerosol for inhalation when heated
  • the outer wrapper extends in an axial direction and surrounds the aerosol to form a matrix
  • the outer wrapper includes a first part, and at least a part of the extension length of the first portion in the axial direction of the outer wrapper coincides with the extension length of the aerosol-forming substrate in the axial direction of the outer wrapper;
  • the outer surface of the first part is provided with a plurality of holes penetrating the outer wrapper.
  • the outer wrapper includes a proximal end and a distal end opposite in the axial direction;
  • the opening area of the first part along the direction close to the distal end gradually increases.
  • the first part is one of aluminum foil, gold foil, silver foil, iron foil, nickel foil, graphite film, ceramic paper, mica paper or fiberglass cloth.
  • the aerosol-forming substrate includes particles or strips
  • the pore diameter is smaller than the particle size of the particle or smaller than the length of the strip.
  • the hole diameter is less than 2 mm.
  • the porosity of the openings in the first part is less than 70%.
  • the porosity of the openings in the first part is 30-50%.
  • the thickness of the first part is between 0.1-0.5 mm.
  • it further includes:
  • An aerosol cooling element configured to be surrounded by the outer wrapper and located downstream of the aerosol-forming substrate in the axial direction of the outer wrapper;
  • the outer wrapper includes a second portion, at least a part of the extension length of the second portion in the axial direction of the outer wrapper coincides with the extension length of the aerosol cooling element in the axial direction of the outer wrapper ;
  • the second part has a lower thermal conductivity than the first part.
  • it further includes:
  • the filter suction nozzle is configured to be surrounded by the outer wrapper and located downstream of the aerosol cooling element in the axial direction of the outer wrapper.
  • An embodiment of the present application further includes an aerosol generating system, including the above-mentioned aerosol generating product used with a heating device and a heating device for heating the aerosol generating product; characterized in that,
  • the heating device includes an infrared emitter extending along the axial direction of the aerosol-generating product and surrounding the aerosol-generating product, and is configured to radiate infrared rays to the aerosol-generating product to heat the aerosol-generating product ; At least a part of the extension length of the infrared emitter along the axial direction of the aerosol-generating product coincides with the extension length of the first portion along the axial direction of the aerosol-generating product.
  • the above aerosol generating products have optimized infrared transmittance, which can promote the utilization efficiency of infrared rays when infrared heating is used.
  • Figure 1 is an external schematic diagram of an aerosol generating product provided by an embodiment
  • Fig. 2 is a schematic cross-sectional structure diagram of the aerosol generating product shown in Fig. 1;
  • Fig. 3 is an expanded schematic diagram of an external package according to another embodiment
  • Fig. 4 is a schematic structural diagram of an aerosol generating system provided by an embodiment.
  • the present application proposes an aerosol-generating product.
  • the aerosol-generating product includes an aerosol-forming substrate that is used to generate an inhalable aerosol when heated by a heating element.
  • the overall appearance of the aerosol-generating product is a vertically long cylindrical structure based on the convenience of suction and use by ordinary users.
  • the aerosol generating product includes three elements arranged in a coaxial arrangement:
  • the aerosol-generating product has a proximal end 11 and a distal end 12 opposite to each other. During use, the user inserts the proximal end 11 into the mouth for suction.
  • the distal end 12 is arranged on the aerosol-generating product and The proximal end 11 is at the opposite end.
  • air is drawn from the distal end 12 by the user to the proximal end 11 through the aerosol generating article.
  • the distal end 12 of the aerosol-generating article can also be described as the upstream end of the aerosol-generating article, and the proximal end 11 of the aerosol-generating article can also be described as the downstream end of the aerosol-generating article.
  • the elements of the aerosol-generating article arranged between the proximal end 11 and the distal end 12 may be described as being upstream of the proximal end 11, or alternatively downstream of the distal end 12.
  • the appearance of the aerosol-generating article can mimic the appearance of a conventional smokeable cigarette.
  • the aerosol-generating article may have an outer diameter between approximately 5 mm and 12 mm (e.g., between approximately 6 mm and 8 mm).
  • the aerosol-generating article has a total length between approximately 30 mm and 100 mm. In a preferred embodiment, the aerosol-generating article has a total length of approximately 45 mm.
  • the aerosol-forming substrate 10 is arranged at the farthest distal end 12 or the upstream end of the aerosol-generating article.
  • the aerosol-forming substrate 10 may include, for example, one or more of the following: powder, granules, pellets, fragments, strands, strips, or flakes, which include one of the following Or more: grass leaf, tobacco leaf, tobacco main vein, expanded tobacco and homogenized tobacco.
  • the aerosol-forming substrate 10 includes a gathered sheet of corrugated homogenized tobacco material that is confined by an outer wrapper 40; the gathered sheet of corrugated homogenized tobacco material includes glycerin , As an aerosol forming agent.
  • homogenized tobacco material may mean a material formed by coalescing particulate tobacco.
  • aerosol forming agent is used to describe any suitable known compound or mixture of compounds that promotes the formation of aerosol in use and is generally resistant to Subject to thermal degradation at the operating temperature of the aerosol-generating product.
  • Suitable aerosol forming agents include, but are not limited to: polyols, such as propylene glycol, triethylene glycol, 1,3-butanediol, and glycerin; esters of polyols, such as glycerol mono, Di- or triacetate; and aliphatic esters of mono-, di-, or polycarboxylic acids, such as dimethyl dodecanedioate and dimethyl tetradecenedioate.
  • the aerosol-forming substrate may have an aerosol-forming agent content of greater than 5% on a dry weight basis.
  • the aerosol-forming substrate 10 may also contain tobacco or non-tobacco volatile flavoring compounds, which are released when the aerosol-forming substrate 10 is heated.
  • the aerosol-forming substrate 10 may also include one or more enclosures, which include, for example, additional tobacco volatile flavoring compounds or non-tobacco volatile flavoring compounds, and such enclosures are in the aerosol-forming substrate 10 It can melt during heating.
  • the aerosol-forming substrate 10 may be provided on or embedded in a thermally stable carrier.
  • the carrier may take the form of powder, granules, pellets, chips, strands, strips or flakes.
  • the aerosol-forming substrate 10 may be deposited on the surface of the carrier in the form of, for example, a sheet, foam, glue or paste.
  • the aerosol-forming substrate 10 may be deposited on the entire surface of the carrier, or alternatively, may be deposited in a pattern to provide non-uniform taste delivery during use.
  • the aerosol cooling element 20 is arranged immediately downstream of the aerosol-forming substrate 10 and adjacent to the aerosol-forming substrate 10. In use, the aerosol-forming substrate 10 is heated and releases volatile substances that pass along the aerosol cooling element 20 toward the proximal end 11 of the aerosol-generating product, and the volatile substances can cool down in the aerosol cooling element 20, To form an aerosol inhaled by the user.
  • the aerosol cooling element 20 includes a cavity 21 that extends along the length of the aerosol cooling element 20. Through the above axially extending cavity 21, the air flow passing through the aerosol cooling element 20 is in the longitudinal direction without considerable radial deviation.
  • the aerosol cooling element 20 can function to cool the temperature of the aerosol stream drawn through the aerosol cooling element 20 by means of heat transfer. The components of the aerosol will interact with the space within the aerosol cooling element 20 and lose heat energy.
  • the temperature of the aerosol stream may decrease by more than 10 degrees Celsius as it is drawn through the aerosol cooling element 20. In some embodiments, the temperature of the aerosol stream may decrease by more than 25 degrees Celsius or more than 30 degrees Celsius as it is drawn through the aerosol cooling element 20.
  • the filter suction nozzle 30 is arranged immediately downstream of the aerosol cooling element 20 and adjacent to the aerosol cooling element 20.
  • the filter suction nozzle 30 includes a conventional cellulose acetate or polypropylene tow filter with low filtration efficiency.
  • the outer wrapper 40 is a conventional cigarette paper.
  • the aerosol generating article shown in FIG. 1 is designed to be coupled with a heating device including a heating element for smoking by a user.
  • the heating element of the heating device heats the aerosol-forming substrate 10 of the aerosol-generating product to a sufficient temperature to generate an aerosol, which is sucked downstream through the aerosol-generating product and inhaled by the user.
  • the outer wrapper 40 includes:
  • the first part 41 is opposite to the aerosol-forming substrate 10 and enveloping the aerosol-forming substrate 10;
  • the second part is opposite to the filter suction nozzle 30 and the aerosol cooling element 20, and wraps the filter suction nozzle 30 and the aerosol cooling element 20;
  • the first part 41 is provided with a number of holes 411; through these holes 411, when the aerosol generating product is heated by infrared radiation heating, the radiated infrared rays can be absorbed by the outer wrapper 40 as little as possible, so that the gas
  • the fog forming substrate 10 can absorb more infrared rays to generate aerosol; it has more infrared utilization efficiency.
  • the first part 41 of the outer package 40 is made of a material with a rigid supporting effect, such as metal foil including but not limited to aluminum foil, gold foil, silver foil, iron foil, nickel foil and above Elemental alloy foil, or carbon-based foil (such as graphite paper, graphene, carbon nanotube paper, etc.), mica paper, glass fiber cloth, etc.
  • metal foil including but not limited to aluminum foil, gold foil, silver foil, iron foil, nickel foil and above Elemental alloy foil, or carbon-based foil (such as graphite paper, graphene, carbon nanotube paper, etc.), mica paper, glass fiber cloth, etc.
  • the first part 41 is non-flammable and has It will not decompose or gelatinize at high temperature, and it can maintain the safety and the taste of the aerosol during the suction process.
  • the second part 42 of the outer wrapper 40 is wrapped with the aerosol cooling element 20
  • the second part 42 can be made of a material with low thermal conductivity, such as zirconia ceramics, to prevent the temperature of the first part 41 It is transferred to the second part 42 in a large amount or quickly to raise the temperature of the aerosol cooling element 20 to a relatively high temperature, thereby affecting the function and effect of the aerosol cooling element 20 itself.
  • the pore size of the holes 411 may preferably be smaller than the strip length or the diameter of the particles of the aerosol-forming substrate 10; in a preferred implementation, It is suitable to use a hole diameter of less than 2 mm to prevent the strips or particles of the aerosol-forming substrate 10 from falling out of the hole 411.
  • the thickness of the first part 41 is 0.1-0.5 mm, which is relatively optional.
  • the shape of the above hole 411 may be a square hole as shown in FIG. 1 or a strip hole.
  • the hole 411 is gradually increased in the direction close to the distal end 12. This design can make the external air as much as possible during the user's suction process. After entering the aerosol generating product from the hole 411 near the distal end 12 to carry as much aerosol as possible to flow toward the proximal end 11, as shown by the arrow R1 in Fig.
  • this application also proposes an aerosol generating system including the above aerosol generating product and a heating device.
  • the heating device 200 includes a heating element 210;
  • the heating element 210 has a tubular shape, and at least a part of its tubular hollow is configured to receive a cavity of the aerosol-generating product 100.
  • the heating element 210 performs infrared radiation on the aerosol-generating product 100 by radiating infrared rays to the aerosol-generating product. Heated infrared transmitter.
  • the infrared emitter is configured to extend along the axial direction of the aerosol-generating product 100 and surround the aerosol-generating product 100 in a tubular shape.
  • at least a part of the extended length of the infrared emitter in the axial direction should cover the extended length of the first part 41 of the aerosol generating product 100 to ensure that the emitted infrared rays can pass through the first part 41 and radiate to the aerosol of the aerosol generating product 100
  • the substrate 10 is formed and then absorbed, thereby achieving heating.
  • the heat-not-burn cigarette products prepared from the above external wrapper 40 and conventional non-porous cigarette paper were used for the infrared heating comparison test.
  • the cigarettes using the external wrapper 40 and conventional cigarette paper were used in other cigarettes.
  • the size, shape, composition and content of the aerosol-forming substrate 10 are completely the same.
  • the specific cigarette has a diameter of 5.6mm and a length of 45mm, and the aerosol-forming substrate 10 has a length of 15mm.
  • the first part 41 of the outer package 40 is made of aluminum foil and has holes 411 with a porosity of 50% and a hole diameter of 1 mm.
  • the two cigarettes are heated by the heating device 200 shown in FIG. 4 to radiate infrared rays.
  • the above heating device 200 is used to heat the above two products according to the same output power and heating mode, and the heating efficiency and smoking effect of the inside of the non-burning cigarette product are detected under the same heating process.
  • the aerosol-forming substrate 10 of the aerosol-generating product 100 using the above outer wrapper 40 rises to the set preheating temperature of 300 degrees for about 16 seconds, and the cigarettes of the comparative conventional non-porous cigarette paper rise to the above-mentioned preheating temperature.
  • the time to heat the temperature is about 21s; shorten the preheating time of about 5s, and the heating rate can be increased by about 20%.
  • the above heating element 210 using an infrared emitter can also be replaced by a tubular induction heating element heated by electromagnetic induction.
  • the outer wrapper 40 of the aerosol generating product 100 is made of the above high temperature resistant and non-flammable fiber material, so it will not gelatinize during heating and affect the taste and safety; and Having an appropriate infrared transmittance can promote the effective use of infrared when the heating element 210 using infrared heating is heated.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

一种气雾产生制品及包含有气雾产生制品的气雾生成系统；其中气雾产生制品包括：气雾形成基体（10）和外部包裹件（40）；外部包裹件（40）包括第一部分（41），第一部分（41）沿气雾产生制品的轴向方向的延伸长度的至少一部分与气雾形成基体（10）的延伸长度重合；第一部分（41）的外表面上设置有若干贯穿外部包裹件（40）的孔（411）。采用气雾产生制品，具有优化的红外线的透过率，可以促进使用红外加热时的红外线的利用效率。

Description

气雾产生制品及气雾生成系统
本申请要求于2020年01月13日提交中国专利局，申请号为202020066742.5，申请名称为“气雾产生制品及气雾生成系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及加热不燃烧烟草制品领域，尤其涉及一种气雾产生制品及气雾生成系统。
背景技术
烟制品(例如，香烟、雪茄等)在使用过程中燃烧烟草以产生烟草烟雾。人们试图通过制造在不燃烧的情况下释放化合物的产品来替代这些燃烧烟草的制品。
此类产品的示例为加热装置，其通过加热而不是燃烧材料来释放化合物。例如，该材料可为烟草或其他非烟草产品，这些非烟草产品可包含或可不包含尼古丁。作为另一示例，存在有通过红外辐射的方式对烟草产品进行加热使其释放化合物生成气溶胶的红外加热装置。比如作为已知技术的201821350103.0号专利提出了一种在石英管外表面依次形成纳米远红外涂层和导电涂层的加热装置结构，导电涂层与供电的电源连接之后，使纳米远红外涂层在电力供应自身发热，并在发热的同时形成电子跃迁产生远红外，辐射至石英管内的烟草产品上对烟草产品进行加热。
而在以上实施中，由于通常目前所采用烟草制品的外包装纸是由麻浆(也掺用部分漂白木浆或草浆)经高黏状打浆后、加入填料(比如碳酸钙或石粉等)后于造纸机上水印辊或机外干压辊压后干燥获得，使得通过红外辐射的方式加热时，外包装纸自身大量吸收红外线一方面影响内部烟草产品吸收红外升温的效率。
发明内容
为了解决现有技术中的烟草制品的红外利用效率的问题，本申请实施例提供一种气雾产生制品及气雾生成系统。
如这里使用的那样，术语‘气雾形成基体’用来描述能够在加热时释放易挥发化合物的基体，这些易挥发化合物可形成气雾。由这里描述的气雾产生制品的气雾形成基体产生的气雾可以是可见的或不可见的，并且可以包括蒸气(例如，物质的细颗粒，这些颗粒处于气态下，这些颗粒在室温下通常是液体或固体)以及气体和冷凝蒸气的液滴。
如这里使用的那样，术语‘上游’和‘下游’用来关于用户对气雾产生制品在其使用期间进行抽吸的方向，描述气雾产生制品的元件、或元件的部分的相对位置。
气雾产生制品包括两个端部：近端和远端，穿过该近端，气雾离开气雾产生制品并且被输送到用户。在使用中，用户可以对近端抽吸，以便吸入由气雾产生制品产生的气雾。在使用中，近端也可以称作下游端，并且在远端的下游。远侧端部也可以称作上游端，并且在近端的上游。
如这里使用的那样，术语‘气雾冷却元件’用来描述具有相对大的表面面积和低抽吸阻力的元件。在使用中，由从气雾形成基体释放的易挥发化合物形成的气雾在由用户吸入之前经过气雾冷却元件，并且由气雾冷却元件冷却。与高抽吸阻力过滤吸嘴和其它嘴口相反，气雾冷却元件具有低抽吸阻力。
优选地，气雾产生制品是发烟制品，该发烟制品产生通过用户的嘴直接可吸入到用户的肺中的气雾。更优选地，气雾产生制品是发烟制品，该发烟制品产生通过用户的嘴直接可吸入到用户的肺中的含尼古丁的气雾。
在优选实施例中，气雾形成基体布置在气雾产生制品的上游端部处。
本申请的一个实施例还提出一种气雾产生制品，包括：
气雾形成基体，被配置为被加热时产生供吸食的气雾；以及
外部包裹件，沿一轴向方向延伸并围绕所述气雾形成基体；
所述外部包裹件包括第一部分，该第一部分沿该外部包裹件轴向方向的延伸长度的至少一部分与所述气雾形成基体沿所述外部包裹件的 轴向方向的延伸长度重合；
所述第一部分的外表面上设置有若干贯穿所述外部包裹件的孔。
在优选实施例中，所述外部包裹件包括沿轴向方向相对的近端和远端；
所述第一部分沿靠近所述远端方向的开孔面积逐渐增大。
在优选实施例中，所述第一部分是铝箔、金箔、银箔、铁箔、镍箔、石墨薄膜、陶瓷纸、云母纸或玻纤布的一种。
在优选实施例中，所述气雾形成基体包括颗粒或条带；
所述孔的孔径小于所述颗粒的粒径或小于所述条带的长度。
在优选实施例中，所述孔的孔径小于2mm。
在优选实施例中，所述第一部分开孔的孔隙率低于70％。
在优选实施例中，所述第一部分开孔的孔隙率介于30-50％。
在优选实施例中，所述第一部分的厚度介于0.1-0.5mm。
在优选实施例中，还包括：
气雾冷却元件，被构造成由所述外部包裹件围绕，并沿该外部包裹件的轴向方向位于所述气雾形成基体的下游；
所述外部包裹件包括第二部分，该第二部分沿所述外部包裹件的轴向方向的延伸长度的至少一部分与所述气雾冷却元件沿该外部包裹件的轴向方向的延伸长度重合；
所述第二部分具有低于所述第一部分的导热率。
在优选实施例中，还包括：
过滤吸嘴，被构造成由所述外部包裹件围绕，并沿所述外部包裹件的轴向方向位于所述气雾冷却元件的下游。
本申请一实施例还包括一种气雾生成系统，包括以上所述的与加热装置一起使用的气雾产生制品、以及用于对所述气雾产生制品进行加热的加热装置；其特征在于，所述加热装置包括沿所述气雾产生制品的轴向延伸并围绕所述气雾产生制品的红外发射器，并被配置为向所述气雾产生制品辐射红外线进而加热所述气雾产生制品；所述红外发射器沿所述气雾产生制品的轴向延伸长度的至少一部分与所述第一部分沿所述气雾产生制品的轴向方向的延伸长度重合。
采用以上气雾产生制品，具有优化的红外线的透过率，可以促进使用红外加热时的红外线的利用效率。
附图说明
一个或多个实施例通过与之对应的附图中的图片进行示例性说明，这些示例性说明并不构成对实施例的限定，附图中具有相同参考数字标号的元件表示为类似的元件，除非有特别申明，附图中的图不构成比例限制。
图1是一实施例提供的气雾产生制品的外部示意图；
图2是图1所示气雾产生制品的剖面结构示意图；
图3是又一个实施例提出的外部包裹件的展开示意图；
图4是一个实施例提供的气雾生成系统的结构示意图。
具体实施方式
为了便于理解本申请，下面结合附图和具体实施方式，对本申请进行更详细的说明。
本申请提出一种与气雾产生制品，这种气雾产生制品包括气雾形成基体，该气雾形成基体当由加热元件加热时用来产生可吸入的气雾。
其中，基于通常用户抽吸使用的便利性，气雾产生制品整体外观呈纵长的圆柱形的构造。在本申请的一个实施例中参见图1所示，气雾产生制品包括按同轴排列布置的三个元件：
气雾形成基体10、气雾冷却元件20、以及过滤吸嘴30；这三个元件顺序地布置，并且由外部包裹件40限制，以形成气雾产生制品。
进一步根据图1所示，气雾产生制品具有相对的近端11以及远端12，在使用期间用户将该近端11插入到嘴中进行抽吸，该远端12布置在气雾产生制品与该近端11相对的端部处。
在使用中，空气由用户从远端12被抽吸通过气雾产生制品达到近端11。气雾产生制品的远端12也可以描述成气雾产生制品的上游端部，并且气雾产生制品的近端11也可以描述成气雾产生制品的下游端部。在近端11与远端12之间布置的气雾产生制品的各元件可描述成在近端 11的上游，或者可选择地在远端12的下游。
气雾产生制品的外观可以模仿常规可点燃后抽吸的香烟的外观。气雾产生制品可以具有在近似5毫米-12毫米之间(例如在近似6毫米-8毫米之间)的外径。以及气雾产生制品具有在近似30毫米-100毫米之间的总长度，在优选实施例中，气雾产生制品具有近似45毫米的总长度。
气雾形成基体10布置在气雾产生制品的最远的远端12或上游端部处。在图1中示出的实施例中，气雾形成基体10可以包括例如如下的一种或多种：粉末、颗粒、丸粒、碎片、线股、带条或薄片，其包含如下的一种或多种：草叶、烟叶、烟草主脉、膨胀烟草及均化烟草。在优选的实施中，气雾形成基体10包括皱褶的均化烟草材料的聚集薄片，该皱褶的均化烟草材料由外部包裹件40限制；皱褶的均化烟草材料的聚集薄片包括甘油，作为气雾形成剂。
其中，‘均化烟草材料’可以是表示通过聚结颗粒状烟草而形成的材料。在其他的可选实施中，气雾形成剂用来描述任何适当的已知化合物或化合物的混合物，该任何适当的已知化合物或化合物的混合物在使用中促进气雾的形成，并且大体上耐受在气雾产生制品的操作温度下的热降解。适当的气雾形成剂在技术中是已知的，并且包括但不限于：多元醇，如丙二醇、三甘醇、1，3-丁二醇、以及甘油；多元醇的酯，如甘油单、二或三乙酸酯；以及单、二或多羧酸的脂族酯，如十二烷二酸二甲酯和十四烯二酸二甲酯。优选地，气雾形成基体在干燥重量基础上可以具有大于5％的气雾形成剂含量。
或者气雾形成基体10还可以包含烟草或无烟草易挥发调味化合物，这些烟草或无烟草易挥发调味化合物在气雾形成基体10的加热时释放。气雾形成基体10也可以包含一个或多个封壳，该一个或多个封壳例如包括另外的烟草易挥发调味化合物或无烟草易挥发调味化合物，并且这样的封壳在气雾形成基体10的加热期间可以熔化。
选择性地，气雾形成基体10可以提供在热稳定载体上或嵌在热稳定载体中。载体可以采取粉末、颗粒、丸粒、碎片、线股、带条或薄片的形式。气雾形成基体10可以按例如薄片、泡沫、胶或浆的形式淀积 在载体的表面上。气雾形成基体10可以淀积在载体的整个表面上，或者可选择地，可以按图案淀积，以便在使用期间提供非均匀味道输送。
气雾冷却元件20布置在气雾形成基体10的紧接下游，并且与气雾形成基体10邻接。在使用中，由气雾形成基体10被加热后释放易挥发物质沿气雾冷却元件20朝向气雾产生制品的近端11通过，并且易挥发物质可以在气雾冷却元件20内降温变凉，以形成由用户吸入的气雾。在图1中示出的优选实施例中，气雾冷却元件20包括空腔21，该第一空腔21沿气雾冷却元件20的长度延伸。通过以上轴向延伸的空腔21，使得穿过气雾冷却元件20的空气流是在沿纵向方向上，而没有相当大的径向偏离。气雾冷却元件20可以借助于热传递起冷却被抽吸通过气雾冷却元件20的气雾流束的温度的作用。气雾的成分将与气雾冷却元件20内的空间相互作用，并且失去热能。
在一些实施例中，气雾流束的温度随着它被抽吸通过气雾冷却元件20可能降低多于10摄氏度。在一些实施例中，气雾流束的温度随着它被抽吸通过气雾冷却元件20可能降低多于25摄氏度或多于30摄氏度。
过滤吸嘴30布置在气雾冷却元件20的紧接下游，并与气雾冷却元件20邻接。在图1中示出的实施例中，过滤吸嘴30包括低过滤效率的常规纤维素乙酸酯或聚丙烯丝束过滤嘴。
为了组装气雾产生制品，将以上描述的三个元件对准，并且紧紧地包裹在外部包裹件40内。在图1中示出的实施例中，外部包裹件40是常规烟纸。
在图1中示出的气雾产生制品设计成与包括加热元件的加热装置相接合，以便由用户抽烟。在使用中，加热装置的加热元件将气雾产生制品的气雾形成基体10加热到足够温度以产生气雾，该气雾穿过气雾产生制品被向下游抽吸，并且由用户吸入。
进一步从图1和图2所示的优选实施中，外部包裹件40包括：
第一部分41，与气雾形成基体10相对并包裹气雾形成基体10；
第二部分，与过滤吸嘴30和气雾冷却元件20相对，并包裹过滤吸嘴30和气雾冷却元件20；
其中，第一部分41上设置有若干孔411；通过这些孔411使得通过 采用红外辐射加热的方式对气雾产生制品加热时，辐射的红外线能尽可能少地被外部包裹件40所吸收，使气雾形成基体10能更多地吸收红外线产生气雾；具有更多的红外利用效率。
在进一步更加优选的实施中，外部包裹件40的第一部分41采用具有刚性的支撑效果更好的材质制备，例如金属箔材包括但不限于铝箔、金箔、银箔、铁箔、镍箔及以上元素的合金箔材、或碳基箔材(如石墨纸、石墨烯、碳纳米管纸等)、云母纸、玻纤布等。一方面在开设以上孔411后能相比常规的烟支依然能具有适合的强度和支撑，从而能稳定地将气雾形成基体10包裹在内部；另一方面，第一部分41不可燃、并且在高温下不会分解或糊化，在安全性上和抽吸过程中的气雾的口味上能良好的保持。
进一步在实施中，外部包裹件40的第二部分42由于包裹有气雾冷却元件20，则可以使第二部分42采用低导热的材质制备，比如氧化锆陶瓷等，以防止第一部分41的温度被大量或者快速地传导至第二部分42进而将气雾冷却元件20部分的温度升高到比较高的温度，从而影响气雾冷却元件20自身的功能和效果。
基于在实施中，由于通常气雾形成基体10采用条带或者颗粒等等形态，则孔411的孔径可以优选小于气雾形成基体10的条带长度或颗粒的直径；在一个优选的实施中，可以采用孔径低于2mm是比较适合的，以阻止气雾形成基体10的条带或者颗粒从孔411中掉出。
理想化实施中第一部分41上具有孔411的面积越高越好，以尽可能的提升红外线穿透的效率，而在实施中保证在支撑力足够的情况下，第一部分41的孔隙率低于70％是比较合适的；在可选的实施中，第一部分41的孔隙率设定在30％-50％之间是比较可选的。
在采用以上耐热的材料制备的外部包裹件40的实施中，第一部分41的厚度采用0.1-0.5mm的厚度是比较可选的。
在优选的实施中，以上孔411的形状可以如图1所示的方形孔，或者条形孔。在又一个变化的实施中，可以参见图3所述，孔411沿靠近远端12的方向孔径是逐渐增大的，这一设计可以使得在用户抽吸的过程中，外部的空气尽可能的从靠近远端12的孔411进入至气雾产生制 品后携带尽可能多的气雾朝近端11流动，即图3中箭头R1所示；而避免大量的空气是从远离远端12的孔411进入至气雾产生制品后携带相对少的气雾朝近端11流动，即图3中箭头R2所示。
进一步本申请还提出一种包括以上气雾产生制品和加热装置的气雾生成系统，在一个实施例中气雾生成系统的构造参见图4所示；加热装置200包括加热元件210；
其中，加热元件210是管状的形状，其管状中空的至少一部分被构造成接收气雾产生制品100的腔室，该加热元件210是通过向气雾产生制品辐射红外线进而对气雾产生制品100进行加热的红外发射器。
基于红外发射器辐射红外加热气雾产生制品的实施，在图4所示的实施中，红外发射器是被构造成沿气雾产生制品100的轴向延伸并围绕气雾产生制品100的管状形状；同时，红外发射器沿轴向方向延伸长度的至少一部分要覆盖气雾产生制品100的第一部分41的延伸长度，保证发出的红外线能通过第一部分41而辐射至气雾产生制品100的气雾形成基体10进而被吸收，进而实现加热。
基于效果的比对上，采用由以上外部包裹件40和常规无孔烟纸制备的加热不燃烧烟支制品进行红外加热的对比测试，具体采用外部包裹件40和常规烟纸的烟支在其他的尺寸、形状、气雾形成基体10的成分和含量等是完全相同的，具体烟支直径5.6mm、长度45mm、其中气雾形成基体10长度15mm。而外部包裹件40的第一部分41采用铝箔并进行开孔411，孔隙率50％、孔径1mm；而后将两种烟支于图4中所示的加热装置200辐射红外线的方式进行加热。具体，采用以上加热装置200按照相同的输出功率和加热模式对以上两种制品进行加热，并检测在相同加热过程下加热不燃烧烟支制品内部的升温效率和出烟效果。
结果中，采用以上外部包裹件40的气雾产生制品100的气雾形成基体10上升到设定的预热温度300度的时间约16s，对比的常规无孔烟纸的烟支升到上述预热温度的时间约21s；缩短约5s左右的预热时间，升温速率能提高约20％左右。
或者在其他的变体实施中，以上采用红外发射器的加热元件210还 可以采用电磁感应式加热的管状感应加热元件进行替换。
采用以上红外辐射的加热元件210对进行加热时，气雾产生制品100的外部包裹件40是耐高温并且不可燃的以上纤维材料制备，因而在加热中不会糊化影响口味和安全性；并且具有适当的红外线的透过率，可以促进使用红外加热的加热元件210加热时的红外的有效利用效率。
需要说明的是，本申请的说明书及其附图中给出了本申请的较佳的实施例，但并不限于本说明书所描述的实施例，进一步地，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，而所有这些改进和变换都应属于本申请所附权利要求的保护范围。

Claims (11)

  1. 一种气雾产生制品，其特征在于，包括：
    气雾形成基体，被配置为被加热时产生供吸食的气雾；以及
    外部包裹件，沿一轴向方向延伸并围绕所述气雾形成基体；
    所述外部包裹件包括第一部分，该第一部分沿该外部包裹件轴向方向的延伸长度的至少一部分与所述气雾形成基体沿所述外部包裹件的轴向方向的延伸长度重合；
    所述第一部分的外表面上设置有若干贯穿所述外部包裹件的孔。
  2. 如权利要求1所述的气雾产生制品，其特征在于，所述外部包裹件包括沿轴向方向相对的近端和远端；
    所述第一部分沿靠近所述远端方向的开孔面积逐渐增大。
  3. 如权利要求1所述的气雾产生制品，其特征在于，所述第一部分是铝箔、金箔、银箔、铁箔、镍箔、石墨薄膜、陶瓷纸、云母纸或玻纤布的一种。
  4. 如权利要求1所述的气雾产生制品，其特征在于，所述气雾形成基体包括颗粒或条带；
    所述孔的孔径小于所述颗粒的粒径或小于所述条带的长度。
  5. 如权利要求4所述的气雾产生制品，其特征在于，所述孔的孔径小于2mm。
  6. 如权利要求1所述的气雾产生制品，其特征在于，所述第一部分开孔的孔隙率低于70％。
  7. 如权利要求5所述的气雾产生制品，其特征在于，所述第一部 分开孔的孔隙率介于30-50％。
  8. 如权利要求1至7任一项所述的气雾产生制品，其特征在于，所述第一部分的厚度介于0.1-0.5mm。
  9. 如权利要求1至7任一项所述的气雾产生制品，其特征在于，还包括：
    气雾冷却元件，被构造成由所述外部包裹件围绕，并沿该外部包裹件的轴向方向位于所述气雾形成基体的下游；
    所述外部包裹件包括第二部分，该第二部分沿所述外部包裹件的轴向方向的延伸长度的至少一部分与所述气雾冷却元件沿该外部包裹件的轴向方向的延伸长度重合；
    所述第二部分具有低于所述第一部分的导热率。
  10. 如权利要求9所述的气雾产生制品，其特征在于，还包括：
    过滤吸嘴，被构造成由所述外部包裹件围绕，并沿所述外部包裹件的轴向方向位于所述气雾冷却元件的下游。
  11. 一种气雾生成系统，包括权利要求1至10任一项所述的气雾产生制品、以及用于对所述气雾产生制品进行加热的加热装置；其特征在于，所述加热装置包括沿所述气雾产生制品的轴向延伸并围绕所述气雾产生制品的红外发射器，并被配置为向所述气雾产生制品辐射红外线进而加热所述气雾产生制品；所述红外发射器沿所述气雾产生制品的轴向延伸长度的至少一部分与所述第一部分沿所述气雾产生制品的轴向方向的延伸长度重合。
PCT/CN2021/071322 2020-01-13 2021-01-12 气雾产生制品及气雾生成系统 Ceased WO2021143688A1 (zh)

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