WO2021238632A1 - 一种加热组件及具有该加热组件的气溶胶产生装置 - Google Patents

一种加热组件及具有该加热组件的气溶胶产生装置 Download PDF

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Publication number
WO2021238632A1
WO2021238632A1 PCT/CN2021/092724 CN2021092724W WO2021238632A1 WO 2021238632 A1 WO2021238632 A1 WO 2021238632A1 CN 2021092724 W CN2021092724 W CN 2021092724W WO 2021238632 A1 WO2021238632 A1 WO 2021238632A1
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WO
WIPO (PCT)
Prior art keywords
heating assembly
electrically insulating
heating element
assembly according
resistance heating
Prior art date
Application number
PCT/CN2021/092724
Other languages
English (en)
French (fr)
Inventor
刘华臣
李丹
陈义坤
杨俊鹏
王昊
Original Assignee
湖北中烟工业有限责任公司
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Publication date
Application filed by 湖北中烟工业有限责任公司 filed Critical 湖北中烟工业有限责任公司
Priority to JP2022543692A priority Critical patent/JP2023512935A/ja
Priority to KR1020227024071A priority patent/KR20220143645A/ko
Priority to EP21814595.1A priority patent/EP4159060A4/en
Publication of WO2021238632A1 publication Critical patent/WO2021238632A1/zh

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Classifications

    • 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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/03—Electrodes
    • 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
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • 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
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • 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
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/141—Conductive ceramics, e.g. metal oxides, metal carbides, barium titanate, ferrites, zirconia, vitrous compounds
    • 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
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/148—Silicon, e.g. silicon carbide, magnesium silicide, heating transistors or diodes
    • 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
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/16—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base
    • 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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
    • H05B3/265—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base the insulating base being an inorganic material, e.g. ceramic
    • 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
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
    • 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
    • A24F40/70—Manufacture
    • 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
    • H05B2203/017—Manufacturing methods or apparatus for heaters
    • 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
    • H05B2203/021—Heaters specially adapted for heating liquids
    • 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 invention belongs to the technical field of novel cigarettes, and specifically relates to a heating assembly and an aerosol generating device with the heating assembly.
  • Electric heating low-temperature cigarettes is an important direction for the current development of new tobacco. Since heaters are an important component of electric heating low-temperature cigarettes, the heating efficiency of the heater and the uniformity of heating will affect the taste and sustainability of the product. Have an important impact. However, in the prior art, heaters generally have the problems of low thermal efficiency, unstable heat generation, short life and poor stability.
  • the purpose of the present invention is to provide a heating assembly and an aerosol generating device with the heating assembly in view of the shortcomings of the prior art, which can improve the heating efficiency and reduce the energy consumption.
  • a heating assembly comprising a resistance heating element for converting electrical energy into internal energy, and a first electrically insulating substrate is arranged inside and/or outside the resistance heating element
  • An infrared layer for radiating infrared rays outward after being heated is provided on the surface of the first electrically insulating substrate and/or the resistance heating element.
  • the infrared layer is made of at least one of carbide, silicide, nitride, and oxide.
  • the first electrically insulating substrate is made of at least one of carbide, silicide, nitride, and oxide.
  • the surface of the infrared layer is provided with a light-transmitting layer for conducting heat and transmitting infrared light.
  • the first electrically insulating substrate is provided inside and outside the resistance heating element, and the infrared layer is provided on the first electrical insulation substrate located outside and/or inside the resistance heating element.
  • the outer surface of the insulating substrate is provided inside and outside the resistance heating element.
  • the resistance heating element, the first electrically insulating substrate and the infrared layer are used together to be inserted into the smoking medium.
  • the first electrically insulating substrate is arranged inside the resistance heating element, the infrared layer is arranged on the outer surface of the resistance heating element, and the outer surface of the first electrically insulating substrate The infrared layer is also provided.
  • the heating assembly includes a second electrically insulating base and a conductive element, the second electrically insulating base is arranged on the bottom of the first electrically insulating base, and the conductive element is arranged on the resistance heating The bottom of the element is electrically connected to the resistance heating element.
  • the conductive element and the resistance heating element are jointly arranged at a position between the first electrically insulating base and the second electrically insulating base.
  • the cross-sectional area of the conductive element is greater than or equal to the cross-sectional area of the resistance heating element.
  • the resistance heating element and the conductive element are made of the same material, and the resistance of the conductive element is smaller than the resistance of the resistance heating element.
  • both the resistance heating element and the conductive element are made of ceramics, metals or alloys.
  • the resistance heating element and the conductive element are both made of nickel-chromium alloy, platinum, platinum alloy, tungsten, nickel-chromium-iron alloy or metal ceramic compound.
  • the resistive heating element and the conductive element are respectively made of different materials, and the resistivity of the conductive element is smaller than the resistivity of the resistive heating element.
  • the resistance heating element is made of nickel-chromium alloy, platinum, platinum alloy, tungsten, nickel-chromium-iron alloy or cermet compound
  • the conductive element is made of gold, silver, copper, gold alloy, silver alloy , Copper alloy or superconductor material.
  • the heating assembly further includes a base connected to the second electrically insulating base and/or the conductive element, and the base is used to fix the heating assembly in the aerosol generating device.
  • the heating assembly further includes a plurality of electrodes, and the plurality of electrodes are all arranged at the bottom of the conductive element and used to connect to an external power source.
  • the cross-sections of the resistance heating element, the first electrically insulating substrate and the infrared layer are collectively set in a circle, an ellipse, a square, a rectangle, or a polygon.
  • the top of the heating element is configured as a tapered end or a pointed end.
  • An aerosol generating device includes a housing in which a smoking medium accommodating part, the heating assembly, and a power supply for supplying power to the heating assembly are arranged, and the resistance heating element of the heating assembly , The first electrically insulating substrate and the infrared layer are jointly arranged inside the smoking medium containing part.
  • a control part is provided in the housing, and the control part is used to control the heating power of the heating assembly.
  • the present invention has the following beneficial effects:
  • the heating assembly of the present invention is provided with a resistance heating element and an infrared layer, which can simultaneously realize heat conduction heating and radiant heating of the heating assembly, thereby significantly improving heating efficiency, reducing energy consumption, enhancing the endurance of the power supply, and being able to more uniformly Heating the fuming medium, the heating effect is good.
  • the first electrically insulating substrate of the heating assembly of the present invention is made of at least one of carbide, silicide, nitride and oxide, which can further improve the heating efficiency and heating effect of the heating assembly.
  • the heating component of the present invention is provided with a light-transmitting layer, which can maintain the smooth surface of the heating component and the service life of the product.
  • the cross-sectional area of the conductive element of the present invention is greater than or equal to the cross-sectional area of the resistance heating element, which enables heat to be generated by the resistance heating element, prevents energy loss, and can improve the overall bending strength of the heating element.
  • the heating component of the present invention also includes a base, which can quickly fix the heating component in the aerosol generating device.
  • the top of the heating assembly of the present invention is set as a tapered end or tip, which can be easily inserted into the inside of the smoking medium.
  • the aerosol generating device of the present invention includes heating components, which can significantly improve heating efficiency, reduce energy consumption, enhance the endurance of the power source, and can heat the smoking medium more uniformly with good heating effect.
  • the aerosol generating device of the present invention is provided with a control unit that can control the heating power of the heating component, thereby real-time control of the temperature of the heating component, so that the temperature of the heating component is kept at an appropriate temperature in real time to heat the smoking medium and prevent smoking
  • the medium is overheated or insufficiently heated, so that the smoke of the smoking medium is in a state suitable for smoking, and the user experience is good.
  • Figure 1 shows a schematic structural view of a specific embodiment of a heating assembly of the present invention
  • Fig. 2 shows a schematic cross-sectional view taken along the line A-A in Fig. 1;
  • Figure 3 shows a schematic structural view of another specific embodiment of a heating assembly of the present invention.
  • Figure 4 shows a schematic structural view of another embodiment of a heating assembly of the present invention.
  • Fig. 5 shows a schematic cross-sectional view taken along the line B-B in Fig. 4;
  • Figure 6 shows a schematic structural view of another embodiment of a heating assembly of the present invention.
  • FIG. 7 shows a schematic structural view of a specific embodiment of an aerosol generating device with the heating assembly according to the present invention
  • FIG. 8 shows a schematic diagram of the comparison relationship between the smoke release concentration and the temperature of a specific embodiment of the aerosol generating device with the heating assembly according to the present invention.
  • 100- heating component 100- heating component; 1- resistance heating element; 2- first electrically insulating substrate; 3- infrared layer; 4- second electrically insulating substrate; 5- conductive element; 6-electrode; 7- base; 8- hair Smoke medium; 9-shell; 10-smoke medium containing part; 11-power supply; 12-control part.
  • the heating assembly 100 of the present invention includes a resistance heating element 1 for converting electrical energy into internal energy.
  • the surface of the electrically insulating substrate 2 and/or the resistance heating element 1 is provided with an infrared layer 3 for radiating infrared rays outward after being heated (as shown in Figs. 2 and 5).
  • the resistance heating element 1 When in use, when current passes through the resistance heating element 1, the resistance heating element 1 will generate heat, and the generated heat will be conducted to the first electrically insulating substrate 2, so that the infrared layer 3 is heated to generate infrared waves, which can realize the conduction of the heating element 100 Heating and radiant heating have high heating efficiency and good heating effect.
  • the infrared layer 3 is made of at least one of carbide, silicide, nitride, and oxide.
  • the first electrically insulating substrate 2 is made of at least one of carbide, silicide, nitride, and oxide, which can further improve the heating efficiency and heating effect of the heating assembly 100.
  • the infrared layer 3 and/or the first electrically insulating substrate 2 can generate infrared waves in the range of 1-25 microns.
  • the surface of the infrared layer 3 is provided with a light-transmitting layer for conducting heat and transmitting infrared light, which can keep the surface of the heating assembly 100 smooth and the service life of the product.
  • a first electrically insulating substrate 2 is provided on the inside and outside of the resistance heating element 1, and the infrared layer 3 is provided on the first electrical insulation substrate located outside the resistance heating element 1.
  • the outer surface of the insulating base 2 has high heating efficiency and good heating effect.
  • the first electrically insulating substrate 2 located inside the resistance heating element 1 and the first electrical insulating substrate 2 located outside the resistance heating element 1 are arranged side by side, with beautiful structure and convenient use.
  • the resistance heating element 1 and the first electrically insulating base 2 are integrally arranged.
  • the resistance heating element 1 and the first electrically insulating substrate 2 are arranged separately.
  • a first electrically insulating substrate 2 is provided inside the resistance heating element 1.
  • the outer surface of the resistance heating element 1 is provided with an infrared layer 3, and the outer surface of the first electrically insulating substrate 2 is also provided with an infrared layer 3, which has high heating efficiency and good heating effect.
  • the resistance heating element 1 and the first electrically insulating base body 2 are arranged side by side, with beautiful structure and convenient use.
  • the heating assembly 100 includes a second electrically insulating base 4 and a conductive element 5.
  • the second electrically insulating base 4 is arranged at the bottom of the first electrically insulating base 2
  • the conductive element 5 is arranged at the bottom of the resistance heating element 1 and is electrically connected to the resistance heating element 1.
  • the conductive element 5 and the resistance heating element 1 are jointly arranged at a position between the first electrically insulating base 2 and the second electrically insulating base 4.
  • the cross-sectional area of the conductive element 5 is equal to the cross-sectional area of the resistance heating element 1.
  • the resistance heating element 1 and the conductive element 5 are made of the same material, and the resistance of the conductive element 5 is smaller than the resistance of the resistance heating element 1.
  • both the resistance heating element 1 and the conductive element 5 are made of ceramics, metals or alloys.
  • the resistance heating element 1 and the conductive element 5 are both made of nickel-chromium alloy, platinum, platinum alloy, tungsten, nickel-chromium-iron alloy or cermet compound.
  • the resistive heating element 1 and the conductive element 5 are made of different materials, respectively, and the resistivity of the conductive element 5 is smaller than the resistivity of the resistive heating element 1.
  • the resistance heating element 1 is made of at least one of nickel-chromium alloy, platinum, platinum alloy, tungsten, nickel-chromium-iron alloy, and cermet compound.
  • the conductive element 5 is made of at least one of gold, silver, copper, gold alloy, silver alloy, copper alloy, and superconductor material.
  • the cross-sectional area of the conductive element 5 is greater than or equal to the cross-sectional area of the resistance heating element 1.
  • the cross-sectional area of the conductive element 5 is larger than the cross-sectional area of the resistance heating element 1, which can reduce the resistance value of the conductive element 5, so that the heat is mainly generated by the resistance heating element 1.
  • the flexural strength of the conductive element 5 is higher than the flexural strength of the second electrically insulating base 4, and can improve the flexural strength of the heating assembly as a whole.
  • the cross-sectional area of the conductive element 5 is greater than or equal to the cross-sectional area of the resistance heating element 1, and the resistivity of the combined conductive element 5 is less than the resistivity of the resistance heating element 1.
  • the resistance value of the conductive element 5 is reduced so that the heat is mainly generated by the resistance heating element 1.
  • the second electrically insulating base 4 and the conductive element 5 are integrally arranged.
  • the second electrically insulating base 4 and the conductive element 5 are arranged separately.
  • the heating assembly 100 further includes a plurality of electrodes 6.
  • a plurality of electrodes 6 are all arranged at the bottom of the conductive element 5 and used to connect to an external power source.
  • the heating assembly 100 further includes a base 7 connected to the second electrically insulating base 4 and/or the conductive element 5, and the base 7 is used to fix the heating assembly 100 on Inside the aerosol generating device.
  • the resistance heating element 1, the first electrically insulating substrate 2 and the infrared layer 3 are used together to be inserted into the smoking medium 8 (as shown in FIG. 7), which can heat the smoking medium 8 and the heating efficiency High, good heating effect.
  • the cross-sections of the resistance heating element 1, the first electrically insulating substrate 2 and the infrared layer 3 are collectively arranged in a circle, an ellipse, a square, a rectangle or a polygon.
  • the top of the heating assembly 100 is configured as a tapered end or tip, which can be easily inserted into the smoking medium 8.
  • the aerosol generating device of the present invention includes a housing 9 in which a smoking medium containing portion 10, a heating assembly 100, and a power supply 11 for supplying power to the heating assembly 100 are provided, and a resistance heating element 1 ,
  • the first electrically insulating substrate 2 and the infrared layer 3 are jointly arranged inside the smoking medium accommodating part 10, and can be used to heat the smoking medium 8, with high heating efficiency and good heating effect.
  • a control part 12 is provided in the housing 9, and the control part 12 is used to control the heating power of the heating assembly 100.
  • the control unit 12 can control the power supply 11 to supply power to the heating assembly 100, and control the power output of the power supply 11 to the heating assembly 100, so that the temperature of the heating assembly 100 can be controlled in real time, so that the temperature of the heating assembly 100 can be maintained at an appropriate temperature in real time (such as 150-350 degrees Celsius) to heat the smoking medium 8 to prevent the smoking medium 8 from overheating or insufficient heating, so that the smoke of the smoking medium 8 is in a state suitable for smoking.
  • the aerosol generating device of the present invention has the same atomization amount C1 (smoke release concentration, in mg/mouth).
  • the temperature required by the component 100 is (in degrees Celsius) T2, while the temperature required by the non-infrared heating component 100 is T1 (in degrees Celsius).
  • T2 is less than T1, indicating that the heating component 100 of the present invention can produce relatively low temperatures at lower temperatures. Good atomization effect.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Resistance Heating (AREA)

Abstract

本发明公开一种加热组件及具有该加热组件的气溶胶产生装置。本发明的加热组件包括用于将电能转化为内能的电阻加热元件，所述电阻加热元件的内部和/或外部设置有第一电绝缘基体，所述第一电绝缘基体和/或所述电阻加热元件的表面上设置有用于受热后向外发散红外射线的红外层。本发明的气溶胶产生装置包括壳体，所述壳体内设置有发烟介质容纳部、所述加热组件和用于给所述加热组件供电的电源，所述加热组件的所述电阻加热元件、所述第一电绝缘基体和所述红外层共同设置在所述发烟介质容纳部的内部。本发明能够提高加热效率，降低能耗，从而能够提高电源的续航能力。

Description

一种加热组件及具有该加热组件的气溶胶产生装置 技术领域
本发明属于新型卷烟技术领域，具体涉及一种加热组件及具有该加热组件的气溶胶产生装置。
 背景技术
电加热低温卷烟作为新型烟草目前发展的一个重要方向，由于加热器作为电加热低温卷烟的重要部件，因此，加热器的发热效率的高低、加热的均匀性都会对产品的抽吸口感和持续性产生重要的影响。然而，现有技术中，加热器一般存在热效率低、发热不稳定、寿命短和稳定性差的问题。
 技术解决方案
本发明的目的在于针对现有技术的不足之处，提供一种加热组件及具有该加热组件的气溶胶产生装置，其能够提高发热效率，降低能耗。
为解决上述技术问题，本发明采用如下技术方案：一种加热组件，包括用于将电能转化为内能的电阻加热元件，所述电阻加热元件的内部和/或外部设置有第一电绝缘基体，所述第一电绝缘基体和/或所述电阻加热元件的表面上设置有用于受热后向外发散红外射线的红外层。
在一个具体实施例中，所述红外层采用碳化物、硅化物、氮化物以及氧化物中的至少一种制成。
在一个具体实施例中，所述第一电绝缘基体采用碳化物、硅化物、氮化物以及氧化物中的至少一种制成。
在一个具体实施例中，所述红外层的表面设置有用于导热和透射红外光的透光层。
在一个具体实施例中，所述电阻加热元件的内部和外部均设置有所述第一电绝缘基体，所述红外层设置在位于所述电阻加热元件外部和/或内部的所述第一电绝缘基体的外表面。
在一个具体实施例中，所述电阻加热元件、所述第一电绝缘基体和所述红外层共同用于***发烟介质中。
在一个具体实施例中，所述电阻加热元件的内部设置有所述第一电绝缘基体，所述电阻加热元件的外表面设置有所述红外层，且所述第一电绝缘基体的外表面也设置有所述红外层。
在一个具体实施例中，所述加热组件包括第二电绝缘基体和导电元件，所述第二电绝缘基体设置在所述第一电绝缘基体的底部，所述导电元件设置在所述电阻加热元件的底部且与所述电阻加热元件电连接。
在一个具体实施例中，所述导电元件和所述电阻加热元件共同设置在所述第一电绝缘基体和所述第二电绝缘基体之间的位置。
在一个具体实施例中，所述导电元件的横截面积大于等于所述电阻加热元件的横截面积。
在一个具体实施例中，所述电阻加热元件和所述导电元件采用相同材料制成，且所述导电元件的电阻小于所述电阻加热元件的电阻。
在一个具体实施例中，所述电阻加热元件和所述导电元件均采用陶瓷、金属或合金制成。
在一个具体实施例中，所述电阻加热元件和所述导电元件均采用镍铬合金、铂金、铂合金、钨、镍铬铁合金或金属陶瓷化合物制成。
在一个具体实施例中，所述电阻加热元件和所述导电元件分别采用不同材料制成，且所述导电元件的电阻率小于所述电阻加热元件的电阻率。
在一个具体实施例中，所述电阻加热元件采用镍铬合金、铂金、铂合金、钨、镍铬铁合金或金属陶瓷化合物制成，所述导电元件采用金、银、铜、金合金、银合金、铜合金或超导体材料制成。
在一个具体实施例中，所述加热组件还包括与所述第二电绝缘基体和/或所述导电元件连接的底座，所述底座用于将所述加热组件固定在气溶胶产生装置内。
在一个具体实施例中，所述加热组件还包括多个电极，所述多个电极均设置在所述导电元件的底部且用于连接外部电源。
在一个具体实施例中，所述电阻加热元件、所述第一电绝缘基体和所述红外层的横截面共同设置成圆形、椭圆形、正方形、长方形或多边形。
在一个具体实施例中，所述加热组件的顶部设置成锥形端或尖端。
一种气溶胶产生装置，包括壳体，所述壳体内设置有发烟介质容纳部、所述的加热组件和用于给所述加热组件供电的电源，所述加热组件的所述电阻加热元件、所述第一电绝缘基体和所述红外层共同设置在所述发烟介质容纳部的内部。
在一个具体实施例中，所述壳体内设置有控制部，所述控制部用于控制所述加热组件的发热功率。
 有益效果
与现有技术相比，本发明的有益效果为：
1、本发明的加热组件设置了电阻加热元件和红外层，能够同时实现加热组件的热传导加热和辐射加热，从而能够显著提高加热效率，降低能耗，增强电源的续航能力，并且能够更加均匀地加热发烟介质，加热效果好。
2、本发明的加热组件的第一电绝缘基体采用采用碳化物、硅化物、氮化物以及氧化物中的至少一种制成，能够进一步提高加热组件的加热效率和加热效果。
3、本发明的加热组件设置了透光层，能够保持加热组件表面光滑和产品的使用寿命。
4、本发明的导电元件的横截面积大于等于电阻加热元件的横截面积，能够使得热量由电阻加热元件产生，防止能量损耗，同时能够提升加热组件整体的抗折强度。
5、本发明的加热组件还包括底座，能够快速地将加热组件固定在气溶胶产生装置内。
6、本发明的加热组件的顶部设置成锥形端或尖端，能够便于***发烟介质的内部。
7、本发明的气溶胶产生装置包括加热组件，能够显著提高加热效率，降低能耗，增强电源的续航能力，并且能够更加均匀地加热发烟介质，加热效果好。
8、本发明的气溶胶产生装置设置有控制部，能够控制加热组件的发热功率，从而能够实时控制加热组件的温度，使得加热组件的温度实时保持在适宜温度以加热发烟介质，防止发烟介质过度加热或者不充分加热，使得发烟介质的烟雾处于适合抽吸的状态，用户体验好。
 附图说明
图1示出了本发明的一种加热组件的一个具体实施例的结构示意图；
图2示出了图1的A-A向截面示意图；
图3示出了本发明的一种加热组件的另一个具体实施例的结构示意图；
图4示出了本发明的一种加热组件的再一个体实施例的结构示意图；
图5示出了图4的B-B向截面示意图；
图6示出了本发明的一种加热组件的又一个体实施例的结构示意图；
图7示出了本发明的一种具有该加热组件的气溶胶产生装置的一个具体实施例的结构示意图；
图8示出了本发明的一种具有该加热组件的气溶胶产生装置的烟雾释放浓度和温度的一个具体实施例的对比关系示意图。
其中，100-加热组件；1-电阻加热元件；2-第一电绝缘基体；3-红外层；4-第二电绝缘基体；5-导电元件；6-电极；7-底座；8-发烟介质；9-壳体；10-发烟介质容纳部；11-电源；12-控制部。
 本发明的实施方式
下面结合附图所示的实施例对本发明作进一步说明。
如图1～6所示，本发明的加热组件100包括用于将电能转化为内能的电阻加热元件1，电阻加热元件1的内部和/或外部设置有第一电绝缘基体2，第一电绝缘基体2和/或电阻加热元件1的表面上设置有用于受热后向外发散红外射线的红外层3(如图2、图5所示)。使用时，当电流经过电阻加热元件1时，电阻加热元件1会产生热量，且产生的热量会传导至第一电绝缘基体2，使得红外层3受热产生红外波，能够实现加热组件100的传导加热和辐射加热，加热效率高，且加热效果好。
在一个具体的实施例中，红外层3采用碳化物、硅化物、氮化物以及氧化物中的至少一种制成。
在一个具体的实施例中，第一电绝缘基体2采用碳化物、硅化物、氮化物以及氧化物中的至少一种制成，能够进一步提高加热组件100的加热效率和加热效果。
在一个具体的实施例中，红外层3和/或第一电绝缘基体2能够产生1～25微米波段范围内的红外波。
在一个具体的实施例中，红外层3的表面设置有用于导热和透射红外光的透光层，能够保持加热组件100表面光滑和产品的使用寿命。
在一个具体的实施例中，如图1、图2所示，电阻加热元件1的内部和外部均设置有第一电绝缘基体2，红外层3设置在位于电阻加热元件1外部的第一电绝缘基体2的外表面，加热效率高，且加热效果好。并且位于电阻加热元件1内部的第一电绝缘基体2、电阻加热元件1和位于电阻加热元件1外部的第一电绝缘基体2呈并排排列布置，结构美观，使用方便。
在一个具体的实施例中，电阻加热元件1和第一电绝缘基体2呈一体设置。
在一个具体的实施例中，电阻加热元件1和第一电绝缘基体2呈分体设置。
在一个具体的实施例中，如图4、图5所示，电阻加热元件1的内部设置有第一电绝缘基体2。电阻加热元件1的外表面设置有红外层3，第一电绝缘基体2的外表面也设置有红外层3，加热效率高，且加热效果好。并且电阻加热元件1和第一电绝缘基体2呈并排排列布置，结构美观，使用方便。
在一个具体的实施例中，如图1～6所示，加热组件100包括第二电绝缘基体4和导电元件5。其中，第二电绝缘基体4设置在第一电绝缘基体2的底部，导电元件5设置在电阻加热元件1的底部且与电阻加热元件1电连接。
在一个具体的实施例中，如图1、图3所示，导电元件5和电阻加热元件1共同设置在第一电绝缘基体2和第二电绝缘基体4之间的位置。
在一个具体的实施例中，如图4所示，导电元件5的横截面积等于电阻加热元件1的横截面积。
在一个具体的实施例中，电阻加热元件1和导电元件5采用相同材料制成，且导电元件5的电阻小于电阻加热元件1的电阻。
在一个具体的实施例中，电阻加热元件1和导电元件5均采用陶瓷、金属或合金制成。
在一个具体的实施例中，电阻加热元件1和导电元件5均采用镍铬合金、铂金、铂合金、钨、镍铬铁合金或金属陶瓷化合物制成。
在一个具体的实施例中，电阻加热元件1和导电元件5分别采用不同材料制成，且导电元件5的电阻率小于电阻加热元件1的电阻率。
在一个具体的实施例中，电阻加热元件1采用镍铬合金、铂金、铂合金、钨、镍铬铁合金以及金属陶瓷化合物中的至少一种制成。导电元件5采用金、银、铜、金合金、银合金、铜合金以及超导体材料中的至少一种制成。
在一个具体的实施例中，如图1、图3、图6所示，导电元件5的横截面积大于等于电阻加热元件1的横截面积。当电阻加热元件1和导电元件5采用相同材料制成时，导电元件5的横截面积大于电阻加热元件1的截面积，能够降低导电元件5的电阻值，使得热量主要由电阻加热元件1产生。同时，导电元件5的抗折强度高于第二电绝缘基体4的抗折强度，并能够提升加热组件整体的抗折强度。当电阻加热元件1和导电元件5分别采用不同材料制成时，导电元件5的横截面积大于等于电阻加热元件1的截面积，结合导电元件5的电阻率小于电阻加热元件1电阻率，能够降低导电元件5的电阻值，使得热量主要由电阻加热元件1产生。
在一个具体的实施例中，第二电绝缘基体4和导电元件5呈一体设置。
在一个具体的实施例中，第二电绝缘基体4和导电元件5呈分体设置。
在一个具体的实施例中，如图1、图3、图4所示，加热组件100还包括多个电极6。多个电极6均设置在导电元件5的底部且用于连接外部电源。
在一个具体的实施例中，如图3、图4所示，加热组件100还包括与第二电绝缘基体4和/或导电元件5连接的底座7，底座7用于将加热组件100固定在气溶胶产生装置内。
在一个具体的实施例中，电阻加热元件1、第一电绝缘基体2和红外层3共同用于***发烟介质8(如图7所示)中，能够加热发烟介质8，并且加热效率高，加热效果好。
在一个具体的实施例中，电阻加热元件1、第一电绝缘基体2和红外层3的横截面共同设置成圆形、椭圆形、正方形、长方形或多边形。
在一个具体的实施例中，如图1、图3、图4所示，加热组件100的顶部设置成锥形端或尖端，能够便于***发烟介质8的内部。
如图7所示，本发明的气溶胶产生装置包括壳体9，壳体9内设置有发烟介质容纳部10、加热组件100和用于给加热组件100供电的电源11，电阻加热元件1、第一电绝缘基体2和红外层3共同设置在发烟介质容纳部10的内部，能够用于加热发烟介质8，加热效率高，且加热效果好。
在一个具体的实施例中，壳体9内设置有控制部12，控制部12用于控制加热组件100的发热功率。具体的，控制部12能够控制电源11向加热组件100供电，并控制电源11对加热组件100的电量输出，从而能够实时控制加热组件100的温度，使得加热组件100的温度实时保持在适宜温度(如150～350摄氏度)以加热发烟介质8，防止发烟介质8过度加热或者不充分加热，使得发烟介质8的烟雾处于适合抽吸的状态。
如图8所示，本发明的气溶胶产生装置与具有非红外加热组件100的热效率相比，在相同的雾化量C1(烟雾释放浓度，单位为毫克/口)情况下，本发明的加热组件100需要的温度为(单位为摄氏度)T2，而非红外加热组件100需要的温度为T1(单位为摄氏度)，T2小于T1，表明本发明加热组件100在较低的温度下，能够产生较好的雾化效果。
本发明的保护范围不限于上述的实施例，显然，本领域的技术人员可以对本发明进行各种改动和变形而不脱离本发明的范围和精神。倘若这些改动和变形属于本发明权利要求及其等同技术的范围，则本发明的意图也包含这些改动和变形在内。

Claims (20)

  1. 一种加热组件，其特征在于，包括用于将电能转化为内能的电阻加热元件，所述电阻加热元件的内部和/或外部设置有第一电绝缘基体，所述第一电绝缘基体和/或所述电阻加热元件的表面上设置有用于受热后向外发散红外射线的红外层。
  2. 根据权利要求1所述的加热组件，其特征在于，所述红外层采用碳化物、硅化物、氮化物以及氧化物中的至少一种制成。
  3. 根据权利要求1所述的加热组件，其特征在于，所述第一电绝缘基体采用碳化物、硅化物、氮化物以及氧化物中的至少一种制成。
  4. 根据权利要求1所述的加热组件，其特征在于，所述红外层的表面设置有用于导热和透射红外光的透光层。
  5. 根据权利要求1所述的加热组件，其特征在于，所述电阻加热元件的内部和外部均设置有所述第一电绝缘基体，所述红外层设置在位于所述电阻加热元件外部和/或内部的所述第一电绝缘基体的外表面。
  6. 根据权利要求1所述的加热组件，其特征在于，所述电阻加热元件、所述第一电绝缘基体和所述红外层共同用于***发烟介质中。
  7. 根据权利要求1所述的加热组件，其特征在于，所述电阻加热元件的内部设置有所述第一电绝缘基体，所述电阻加热元件的外表面设置有所述红外层，且所述第一电绝缘基体的外表面也设置有所述红外层。
  8. 根据权利要求1所述的加热组件，其特征在于，所述加热组件包括第二电绝缘基体和导电元件，所述第二电绝缘基体设置在所述第一电绝缘基体的底部，所述导电元件设置在所述电阻加热元件的底部且与所述电阻加热元件电连接。
  9. 根据权利要求8所述的加热组件，其特征在于，所述导电元件和所述电阻加热元件共同设置在所述第一电绝缘基体和所述第二电绝缘基体之间的位置。
  10. 根据权利要求8所述的加热组件，其特征在于，所述导电元件的横截面积大于等于所述电阻加热元件的横截面积。
  11. 根据权利要求8所述的加热组件，其特征在于，所述电阻加热元件和所述导电元件采用相同材料制成，且所述导电元件的电阻小于所述电阻加热元件的电阻。
  12. 根据权利要求11所述的加热组件，其特征在于，所述电阻加热元件和所述导电元件均采用陶瓷、金属或合金制成。
  13. 根据权利要求12所述的加热组件，其特征在于，所述电阻加热元件和所述导电元件均采用镍铬合金、铂金、铂合金、钨、镍铬铁合金或金属陶瓷化合物制成。
  14. 根据权利要求8所述的加热组件，其特征在于，所述电阻加热元件和所述导电元件分别采用不同材料制成，且所述导电元件的电阻率小于所述电阻加热元件的电阻率。
  15. 根据权利要求14所述的加热组件，其特征在于，所述电阻加热元件采用镍铬合金、铂金、铂合金、钨、镍铬铁合金或金属陶瓷化合物制成，所述导电元件采用金、银、铜、金合金、银合金、铜合金或超导体材料制成。
  16. 根据权利要求8所述的加热组件，其特征在于，所述加热组件还包括与所述第二电绝缘基体和/或所述导电元件连接的底座，所述底座用于将所述加热组件固定在气溶胶产生装置内。
  17. 根据权利要求8所述的加热组件，其特征在于，所述加热组件还包括多个电极，所述多个电极均设置在所述导电元件的底部且用于连接外部电源。
  18. 根据权利要求1所述的加热组件，其特征在于，所述电阻加热元件、所述第一电绝缘基体和所述红外层的横截面共同设置成圆形、椭圆形、正方形、长方形或多边形。
  19. 根据权利要求1所述的加热组件，其特征在于，所述加热组件的顶部设置成锥形端或尖端。
  20. 一种气溶胶产生装置，其特征在于，包括壳体，所述壳体内设置有发烟介质容纳部、根据权利要求1～19中任一项所述的加热组件和用于给所述加热组件供电的电源，所述加热组件的所述电阻加热元件、所述第一电绝缘基体和所述红外层共同设置在所述发烟介质容纳部的内部。
PCT/CN2021/092724 2020-05-27 2021-05-10 一种加热组件及具有该加热组件的气溶胶产生装置 WO2021238632A1 (zh)

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