WO2022116465A1 - 一种加热烟草设备及其气溶胶产生方法 - Google Patents

一种加热烟草设备及其气溶胶产生方法 Download PDF

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WO2022116465A1
WO2022116465A1 PCT/CN2021/087618 CN2021087618W WO2022116465A1 WO 2022116465 A1 WO2022116465 A1 WO 2022116465A1 CN 2021087618 W CN2021087618 W CN 2021087618W WO 2022116465 A1 WO2022116465 A1 WO 2022116465A1
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WIPO (PCT)
Prior art keywords
tobacco
heating
section
segment
heating element
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PCT/CN2021/087618
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English (en)
French (fr)
Inventor
李斌
汤建国
付丽丽
李志强
张柯
尚善斋
王爽
廖晓祥
王乐
雷萍
王兵
韩敬美
Original Assignee
中国烟草总公司郑州烟草研究院
云南中烟工业有限责任公司
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Application filed by 中国烟草总公司郑州烟草研究院, 云南中烟工业有限责任公司 filed Critical 中国烟草总公司郑州烟草研究院
Priority to MX2023006533A priority Critical patent/MX2023006533A/es
Priority to JP2023533808A priority patent/JP2023552540A/ja
Priority to EP21899509.0A priority patent/EP4256991A1/en
Priority to CA3200937A priority patent/CA3200937A1/en
Priority to US18/265,198 priority patent/US20240000156A1/en
Priority to KR1020237021939A priority patent/KR20230117739A/ko
Publication of WO2022116465A1 publication Critical patent/WO2022116465A1/zh

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    • 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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • 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
    • A24F40/50—Control or monitoring
    • A24F40/57—Temperature control
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
    • A24B15/167—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes in liquid or vaporisable form, e.g. liquid compositions for electronic cigarettes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR 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 FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for 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
    • A24F40/10—Devices using liquid 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
    • 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
    • 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
    • A24F40/50—Control or monitoring
    • A24F40/51—Arrangement of sensors
    • 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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
    • H05B6/108—Induction heating apparatus, other than furnaces, for specific applications using a susceptor for heating a fluid
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR 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
    • 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

Definitions

  • the invention relates to the field of tobacco products, in particular to a device for heating tobacco and a method for generating an aerosol thereof.
  • New tobacco products are emerging strategic tobacco products. Heated tobacco products are one of the most promising products in new tobacco products.
  • the working principle is: tobacco materials absorb heat from heat sources through heat transfer to generate aerosols, and use air as the The carrier is used to deliver the aerosol produced by the heating of the tobacco substrate to the oral cavity for consumers to inhale after certain modulation (such as cooling, flavor enhancement, filtration, etc.).
  • the heating program of the heat source has a great influence on the sensory quality of the heated tobacco product, which can control the release of key components of the smoke by affecting the temperature distribution of the heated cigarette tobacco material.
  • the heating program used in common heated cigarettes is a three-stage temperature control curve, showing a "high-low-high” temperature change trend (patent number: CN201380037681). Heat does not burn and produces aerosol, but the release of tobacco material characteristic substances is incomplete.
  • the present invention proposes a device for heating tobacco and a method for generating an aerosol thereof.
  • a device for heating tobacco and a method for generating an aerosol thereof includes a smoking device and a tobacco product, the tobacco product can be set in the smoking device, and the smoking device heats the tobacco product by controlling the smoking device based on the ignition point parameter of the tobacco material.
  • the smoking article includes a power module, a control module, and a cigarette accommodating cavity, wherein the power module is communicated with the control module, and the control module communicates with a heating element arranged coaxially in the cigarette accommodating cavity.
  • the tobacco product includes a tobacco section and a functional nozzle rod section, wherein a smoke extraction section is also arranged between the tobacco section and the functional nozzle rod section, and the tobacco section, the functional nozzle rod section and the smoke extraction section are rolled through an external coil. The material is wrapped and connected together.
  • the flue gas extraction section is a cylinder with a cavity structure, and at least one side wall through hole communicated with the cavity structure is opened on the side wall of the cylinder, and the outer coil material is connected with the side wall through hole.
  • Coaxial through holes are provided at corresponding positions.
  • a sealing member is arranged in the cigarette accommodating cavity.
  • the sealing member seals the tobacco section of the grass product to ensure that the external airflow cannot flow through the tobacco section; the heating element is close to the tobacco section.
  • the heating element is one or more of cup-shaped, sheet-shaped or needle-shaped, the cup-shaped heating element is arranged on the inner wall of the cigarette accommodating cavity, and the sheet-shaped and needle-shaped heating elements are arranged on the central axis of the cigarette accommodating cavity. .
  • the aerosol generation method includes the following steps:
  • the change curve, corresponding relationship or function of the ignition point of the tobacco material in the tobacco segment with the oxygen concentration is obtained by the thermogravimetric method or the hot stage method, and stored in the control circuit;
  • the variation curve of the oxygen concentration of the tobacco segment with time (or the number of puffs) is obtained offline by a preset detection method, and stored in the control circuit;
  • the control circuit calls the oxygen concentration change data, and adjusts the power output to the heating element in real time according to the change curve, corresponding relationship or function of the ignition point of the tobacco material in the tobacco section with the oxygen concentration, so as to ensure that the temperature of the heating element is close to and lower than the ignition point of the tobacco material Curve.
  • the smoking article may further include an oxygen content detection sensor, the control module is connected to the oxygen content detection sensor, and the oxygen content detection sensor is connected to the cigarette holder cavity through a micro-air path.
  • the change curve of the oxygen concentration of the tobacco segment with time can be obtained in real time by an oxygen content detection sensor.
  • the heating element is a circumferential heating cup, a central heating sheet, a central heating needle, an electromagnetic heating member, a microwave heating member, and the like.
  • the invention provides a device for heating tobacco and a method for generating an aerosol thereof.
  • the heating cigarette must first ensure that the tobacco material does not burn, and secondly, the more complete the release of the aroma components of the tobacco material, the better the sensory quality, and the The release amount of aroma components is closely related to the heating temperature.
  • Figure 1 is a schematic diagram of a smoking device device.
  • Figure 2 is a schematic diagram of a tobacco product device.
  • FIG. 3 is a schematic diagram of the airflow direction of the heated tobacco product.
  • FIG. 4 is a schematic diagram of the change curve of the ignition point with the oxygen concentration.
  • FIG. 5 is a schematic diagram of the change curve of oxygen concentration with heating time.
  • Figure 6 is a schematic diagram of the heating curve of the smoking appliance.
  • Figures 1-3 show a device for heating tobacco and a method for generating an aerosol thereof.
  • the device for heating tobacco includes a smoking article 1 and a tobacco product 2.
  • the tobacco product 2 is arranged in the smoking article 1, and the smoking article 1 passes through the ignition point based on the tobacco material. Parameter controls smoking article 1 to heat tobacco article 2.
  • the smoking article 1 includes a power module 11 , a control module 12 , and a cigarette accommodating cavity 14 , wherein the power module 11 communicates with the control module 12 , and the control module 12 communicates with a heating element arranged coaxially in the cigarette accommodating cavity 14 .
  • the tobacco product 2 includes a tobacco section 21 and a functional mouthpiece rod section 22, wherein a smoke extraction section 23 is also arranged between the tobacco section 21 and the functional mouthpiece rod section 22.
  • the tobacco section 21, the functional mouthpiece rod section 22 and the The gas extraction sections 23 are wrapped together by outer crimping material.
  • the flue gas extraction section 23 is a cylinder with a cavity structure, and at least one side wall through hole 24 communicated with the cavity structure is opened on the side wall of the cylinder, and is connected with the side wall through hole on the external coiling material. Coaxial through holes are provided at corresponding positions.
  • a sealing member 141 is arranged in the cigarette accommodating cavity 14. When the tobacco product 2 is inserted into the cigarette accommodating cavity 14, the sealing member 141 seals the tobacco section 21 of the grass product 2 to ensure that the external airflow cannot flow through the tobacco section 21; The heating element is in close proximity to the tobacco segment 21 .
  • the aerosol generation method includes the following steps:
  • the change curve, corresponding relationship and function of the ignition point of the tobacco material in the tobacco segment with the oxygen concentration are obtained by thermogravimetric method or hot stage method, and stored in the control circuit;
  • the variation curve of the oxygen concentration of the tobacco segment with time (or the number of puffs) is obtained offline through a preset detection method, and stored in the control circuit.
  • the control circuit calls the oxygen concentration change data, and adjusts the power output to the heating element in real time according to the change curve, corresponding relationship and function of the ignition point of the tobacco material in the tobacco section with the oxygen concentration, so as to ensure that the temperature of the heating element is close to and lower than the ignition point of the tobacco material. Curve.
  • the smoking article 1 may further include an oxygen content detection sensor 13 , the control module 12 is connected to the oxygen content detection sensor 13 , and the oxygen content detection sensor 13 is connected to the cigarette accommodating cavity 14 through the micro-air path 15 .
  • the variation curve of the oxygen concentration of the tobacco segment with time (or the number of puffs) can be obtained in real time by the oxygen content detection sensor 13 .
  • the ignition point of tobacco material changes with the change of oxygen concentration.
  • the temperature rise curve of the smoking appliance is obtained by correlating the change curve of the ignition point with the oxygen concentration and the change curve of the oxygen concentration of the tobacco section of the cigarette with time.
  • the heating program of the heated tobacco product is set closely to the change curve of the ignition point of the tobacco material, and the ordinate of the point corresponding to the abscissa is slightly lower than the ordinate corresponding to the point of the same abscissa on the change curve of the ignition point of the tobacco material, preferably lower by 5 °C.
  • Table 1 is the comparison of the release of key components in the smoke
  • Table 2 is the comparison of the residual amounts of the key components in the tobacco segment after smoking.
  • Airflow Glycerin (mg/cig) Nicotine (mg/cig) NSC ND (not detected) ND (not detected) HNB 2.80 0.8
  • the release of key components (TPM, glycerol, nicotine, moisture) in the particulate phase of the smoke was compared under different heating curves; , and use gas chromatography to detect the smoke components (glycerol, nicotine, moisture) in the granular phase.
  • the extractant of glycerin is methanol, and the extractant of moisture and nicotine is isopropanol.
  • Tables 1 and 2 show that the present invention obtains the ignition point change curve of the tobacco material, and sets the heating program of the smoking device closely to the curve by about 20% higher than the traditional "high, low and high” heating and heating of the key substances in the tobacco section. The key substances are released more fully, and there is almost no residue of key substances in the tobacco segment after smoking.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Abstract

一种加热烟草设备的气溶胶产生方法，加热烟草设备包括烟具(1)和烟草制品(2)，烟草制品(2)置于烟具(1)中，烟具(1)通过基于烟草物料着火点参数控制烟具(1)加热烟草制品(2)，烟草制品(2)包含带有侧壁通孔(24)的烟气提取段(23)，于烟具(1)和烟草制品(2)之间设置密封构件(141)，以保证使用过程中空气不流经烟草物料，保证烟草物料不燃烧，通过获得烟草物料的着火点变化曲线，并紧贴着火点变化曲线设定烟具(1)的升温程序，既可保证烟草物料不燃烧，又可保证烟草物料本香成分最大程度的释放。

Description

一种加热烟草设备及其气溶胶产生方法 技术领域
本发明涉及烟草制品领域，尤其是一种加热烟草设备及其气溶胶产生方法。
背景技术
新型烟草制品是新兴战略性烟草产品，加热烟草制品是新型烟草制品中一项极具发展前景的产品之一，其工作原理是：烟草物料通过热传递从热源吸收热量产生气溶胶，以空气为载体，将烟草基质受热后产生的气溶胶经过一定调制(如降温、增香、过滤等)后递送至口腔供消费者吸食。热源的升温程序对于加热烟草制品的感官质量影响巨大，其可通过影响加热卷烟烟草物料的温度分布来控制烟气关键成分的释放。
目前常见的加热卷烟所采用的升温程序是三段温度控制曲线，呈现“高-低-高”温度变化趋势(专利号：CN201380037681)，其烟具最高加热温度在400℃以下，虽然可以达到烟支加热不燃烧并产生气溶胶，但是烟草物料特征物质释放不完全。
发明内容
为克服现有的缺陷，本发明提出了一种加热烟草设备及其气溶胶产生方法。
一种加热烟草设备及其气溶胶产生方法，加热烟草设备包括烟具和烟草制品，所述烟草制品可设置于烟具中，所述烟具通过基于烟草物料着火点参数控制烟具加热烟草制品。
可选地，烟具包括电源模块、控制模块、烟支容纳腔，其中，电源模块 连通控制模块，控制模块连通烟支容纳腔内同轴设置的加热元件。
其中，烟草制品包括烟草段和功能嘴棒段，其中，所述烟草段和功能嘴棒段之间还设置烟气提取段，所述烟草段、功能嘴棒段和烟气提取段通过外部卷接材料包裹连接在一起。
其中，烟气提取段为一含有空腔结构的柱体，且在柱体的侧壁上开设有至少一个与空腔结构连通的侧壁通孔，于外部卷接材料上与侧壁通孔相应位置设置同轴通孔。
其中，烟支容纳腔中设置密封构件，当所述烟草制品插入烟支容纳腔中，密封构件对草制品的烟草段进行密封，保证外部气流无法流经烟草段；所述加热元件贴近烟草段。
可选地，加热元件为杯状，片状或针状的其中一种或多种，杯状加热元件设置于烟支容纳腔内壁，片状、针状加热元件设置于烟支容纳腔中心轴。
气溶胶产生方法包括以下步骤：
启动加热元件，对所述烟草段进行加热；
烟草段烟草物料的着火点随氧浓度的变化曲线、对应关系或函数通过热重法或热台法获得，并存储于所述控制电路；
烟草段的氧气浓度随时间(或抽吸口数)的变化曲线通过预设定检测方法离线获得，并存储于所述控制电路；
控制电路调用氧浓度变化数据，根据烟草段烟草物料的着火点随氧浓度的变化曲线、对应关系或函数，来实时调整输出给加热元件的电力，以保证加热元件的温度接近并低于烟草物料着火点变化曲线。
可选地，所述烟具还可包括氧含量检测传感器，控制模块连通氧含量检测传感器，氧含量检测传感器通过微气路连通烟支容纳腔。
可选地，烟草段的氧气浓度随时间(或抽吸口数)的变化曲线可通过氧含量检测传感器实时获得。
优选地，加热元件为周向加热杯、中心加热片、中心加热针、电磁加热构件、微波加热构件等。
本发明提供的一种加热烟草设备及其气溶胶产生方法，在使用过程中，加热卷烟首先要保证烟草物料不燃烧，其次烟草物料本香成分释放越完全其感官质量越佳，而烟草物料本香成分的释放量与加热温度密切相关。通过获得烟草物料的着火点变化曲线，并紧贴该曲线设定烟具的升温程序，即可保证烟草物料不燃烧，同时保证烟草物料本香成分最大程度的释放。
附图说明
本发明的上述及其它方面和特征将从以下结合附图对实施例的说明清楚呈现，其中：
图1为烟具装置示意图。
图2为烟草制品装置示意图。
图3为加热烟草制品的气流走向示意图。
图4为着火点随氧气浓度变化曲线示意图。
图5为氧气浓度随加热时间变化曲线示意图。
图6为烟具升温曲线示意图。
实施发明的最佳方式
下面结合附图和具体实施例对本发明提供的一种加热烟草设备及其气溶胶产生方法进行详细描述。
图1-3示出，一种加热烟草设备及其气溶胶产生方法，加热烟草设备包括烟具1和烟草制品2，所述烟草制品2设置于烟具1中，所述烟具1通过基于烟草物料着火点参数控制烟具1加热烟草制品2。
烟具1包括电源模块11、控制模块12、烟支容纳腔14，其中，电源模块11连通控制模块12，控制模块12连通烟支容纳腔14内同轴设置的加热元件。
烟草制品2包括烟草段21和功能嘴棒段22，其中，所述烟草段21和功能嘴棒段22之间还设置烟气提取段23，所述烟草段21、功能嘴棒段22和烟气提取段23通过外部卷接材料包裹连接在一起。
烟气提取段23为一含有空腔结构的柱体，且在柱体的侧壁上开设有至少一个与空腔结构连通的侧壁通孔24，于外部卷接材料上与侧壁通孔相应位置设置同轴通孔。
烟支容纳腔14中设置密封构件141，当所述烟草制品2插入烟支容纳腔14中，密封构件141对草制品2的烟草段21进行密封，保证外部气流无法流经烟草段21；所述加热元件贴近烟草段21。
气溶胶产生方法包括以下步骤：
启动加热元件，对所述烟草段进行加热；
烟草段烟草物料的着火点随氧浓度的变化曲线、对应关系和函数通过热重法或热台法获得，并存储于所述控制电路；
烟草段的氧气浓度随时间(或抽吸口数)的变化曲线通过预设定检测方法离线获得，并存储于所述控制电路。
控制电路调用氧浓度变化数据，根据烟草段烟草物料的着火点随氧浓度的变化曲线、对应关系和函数，来实时调整输出给加热元件的电力，以保证加热元件的温度接近并低于烟草物料着火点变化曲线。
实施例2
烟具1还可包括氧含量检测传感器13，控制模块12连通氧含量检测传感器13，氧含量检测传感器13通过微气路15连通烟支容纳腔14。
烟草段的氧气浓度随时间(或抽吸口数)的变化曲线可通过氧含量检测传感器13实时获得。
图4-6所示，在烟草物料状态一定的情况下，烟草物料着火点随氧气浓度变化而变化。所述烟具升温曲线是由着火点随氧气浓度变化曲线和所述烟支烟草段氧气浓度随时间变化曲线相关联而得到。
所述加热烟草制品的升温程序是紧贴烟草物料着火点变化曲线设定，其横坐标对应的点的纵坐标略低于烟草物料着火点变化曲线上相同横坐标的点对应的纵坐标，优选低5℃。
表1为烟气关键成分释放量对比，表2为抽吸后烟草段关键成分残留量对比。
Figure PCTCN2021087618-appb-000001
表1
气流方式 甘油(mg/cig) 烟碱(mg/cig)
NSC ND(未检出) ND(未检出)
HNB 2.80 0.8
表2
通过CHI抽吸实验，比较不同升温曲线下，烟气粒相物中关键成分(TPM、甘油、烟碱、水分)释放量；通过剑桥滤片补集粒相物，抽吸完成后称量TPM，用气相色谱检测粒相物中的烟气成分(甘油、烟碱、水分)。其中，甘油的萃取剂是甲醇，水分和烟碱的萃取剂是异丙醇。
表1和表2示出，本发明通过获得烟草物料的着火点变化曲线，并紧贴该曲线设定烟具的升温程序比传统“高低高”升温加热的烟草段关键物质释放量高约20％，关键物质释放更充分，抽吸后烟草段关键物质几乎无残留。
最后应说明的是，以上实施例仅用以描述本发明的技术方案而不是对本技术方法进行限制，本发明在应用上可以延伸为其他的修改、变化、应用和实施例，并且因此认为所有这样的修改、变化、应用、实施例都在本发明的精神和教导范围内。

Claims (10)

  1. 一种加热烟草设备及其气溶胶产生方法，加热烟草设备包括烟具(1)和烟草制品(2)，其特征在于，所述烟草制品(2)可置于烟具(1)中，所述烟具(1)通过基于烟草物料着火点参数控制烟具(1)加热烟草制品(2)。
  2. 根据权利要求1所述的一种加热烟草设备，其特征在于，所述烟具(1)包括电源模块(11)、控制模块(12)、烟支容纳腔(14)，其中，电源模块(11)连通控制模块(12)，控制模块(12)连通烟支容纳腔(14)内同轴设置的加热元件。
  3. 根据权利要求1所述的一种加热烟草设备，其特征在于，所述烟草制品(2)包括烟草段(21)和功能嘴棒段(22)，其中，所述烟草段(21)和功能嘴棒段(22)之间还设置烟气提取段(23)，所述烟草段(21)、功能嘴棒段(22)和烟气提取段(23)通过外部卷接材料包裹连接在一起。
  4. 根据权利要求3所述的一种加热烟草设备，其特征在于，所述烟气提取段(23)为一含有空腔结构的柱体，且在柱体的侧壁上开设有至少一个与空腔结构连通的侧壁通孔(24)，于外部卷接材料上与侧壁通孔相应位置设置同轴通孔。
  5. 根据权利要求2、3或4所述的一种加热烟草设备，其特征在于，所述烟支容纳腔(14)中设置密封构件(141)，当所述烟草制品(2)插入烟支容纳腔(14)中，密封构件(141)对草 制品(2)的烟草段(21)进行密封，保证外部气流无法流经烟草段(21)；所述加热元件贴近烟草段(21)。
  6. 根据权利要求2或3所述的一种加热烟草设备，其特征在于，所述加热元件为杯状，片状或针状的其中一种或多种，杯状加热元件设置于烟支容纳腔(14)内壁，片状、针状加热元件设置于烟支容纳腔(14)中心轴。
  7. 根据权利要求1-5中任意一项所述的加热烟草设备气溶胶产生方法，其特征在于，所述气溶胶产生方法包括以下步骤：
    启动加热元件，对所述烟草段进行加热；
    烟草段烟草物料的着火点随氧浓度的变化曲线、对应关系或函数通过热重法或热台法获得，并存储于所述控制电路；
    烟草段的氧气浓度随时间(或抽吸口数)的变化曲线通过预设定检测方法离线获得，并存储于所述控制电路；
    控制电路调用氧浓度变化数据，根据烟草段烟草物料的着火点随氧浓度的变化曲线、对应关系或函数，来实时调整输出给加热元件的电力，以保证加热元件的温度接近并低于烟草物料着火点变化曲线。
  8. 根据权利要求1中所述的一种加热烟草设备，其特征在于，所述烟具(1)还可包括氧含量检测传感器(13)，控制模块(12) 连通氧含量检测传感器(13)，氧含量检测传感器(13)通过微气路(15)连通烟支容纳腔(14)。
  9. 根据权利要求7所述的加热烟草设备气溶胶产生方法，其特征在于，所述烟草段的氧气浓度随时间(或抽吸口数)的变化曲线可通过氧含量检测传感器(13)实时获得。
  10. 根据权利要求6所述的一种加热烟草设备，其特征在于，所述加热元件为周向加热杯、中心加热片、中心加热针、电磁加热构件、微波加热构件等。
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