WO2021143872A1 - 一种加热装置 - Google Patents

一种加热装置 Download PDF

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Publication number
WO2021143872A1
WO2021143872A1 PCT/CN2021/072244 CN2021072244W WO2021143872A1 WO 2021143872 A1 WO2021143872 A1 WO 2021143872A1 CN 2021072244 W CN2021072244 W CN 2021072244W WO 2021143872 A1 WO2021143872 A1 WO 2021143872A1
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WO
WIPO (PCT)
Prior art keywords
heating device
infrared
heating
coating
chamber
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PCT/CN2021/072244
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English (en)
French (fr)
Inventor
武建
戚祖强
雷宝灵
徐中立
李永海
Original Assignee
深圳市合元科技有限公司
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Publication date
Application filed by 深圳市合元科技有限公司 filed Critical 深圳市合元科技有限公司
Priority to JP2022542282A priority Critical patent/JP2023510327A/ja
Priority to US17/758,885 priority patent/US20230033346A1/en
Priority to EP21740654.5A priority patent/EP4091472A4/en
Priority to KR1020227028173A priority patent/KR20220127906A/ko
Publication of WO2021143872A1 publication Critical patent/WO2021143872A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C19/00—Surface treatment of glass, not in the form of fibres or filaments, by mechanical means
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/0005—Other surface treatment of glass not in the form of fibres or filaments by irradiation
    • C03C23/0025—Other surface treatment of glass not in the form of fibres or filaments by irradiation by a laser beam
    • 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
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/0252—Domestic applications
    • 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
    • H05B3/02—Details
    • H05B3/04—Waterproof or air-tight seals 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
    • 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
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2204/00—Glasses, glazes or enamels with special properties
    • C03C2204/08—Glass having a rough surface
    • 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
    • H05B2203/013—Heaters using resistive films or coatings
    • 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
    • H05B2203/022—Heaters specially adapted for heating gaseous 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/03—Heaters specially adapted for heating hand held tools
    • 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

  • This application relates to the field of smoking articles, and in particular to a heating device for heating an aerosol generating substrate to volatilize at least one of its components to form an aerosol for users to smoke.
  • the low-temperature smoke infrared heating tube is a new type of low-temperature smoke heating component.
  • the surface of the heating tube is coated with an infrared electric heating film, such as ATO film, by chemical vapor deposition and other methods.
  • the smoking article in the tube is heated.
  • This heating method to heat the smoking article has a better taste and smoke volume than the traditional heating method that relies on heat conduction.
  • the reason is that infrared heating has better temperature field uniformity and certain penetration ability, so that the tobacco and other materials in the smoking article are almost all heated by infrared radiation.
  • the problem with the smoking set with the above structure is that the infrared electrothermal coating radiates on the periphery of the smoking article, and when the infrared coating radiates infrared rays to the smoking article in the base, due to the existence of the substrate, the infrared electrothermal coating and the base are radiated. There is a reflective interface at the interface, which will cause part of the infrared to be reflected, thereby reducing the transmittance and emissivity of the infrared, which will lead to a lower power utilization rate of the infrared electrothermal coating, which will affect the preheating speed and output of the smoking article.
  • the smoke speed reduces the user experience.
  • the present invention provides a heating device.
  • the present invention provides a heating device for heating an aerosol generating substrate to volatilize at least one of its components to form an aerosol, including a heating element, the heating element including:
  • the substrate is configured to have a chamber for receiving at least part of the aerosol generating substrate
  • the infrared radiation coating formed on the outer surface of the chamber is used to generate infrared after the temperature is raised, and at least transfer energy to the aerosol generating substrate received in the chamber by way of infrared radiation, so that the aerosol At least one component in the generating matrix volatilizes to form an aerosol;
  • the surface roughness of the outer surface of the cavity is greater than the surface roughness of the inner surface of the cavity.
  • the base body is tubular, and the inner surface of the base body forms the cavity.
  • the outer surface of the chamber is an irregular rough surface.
  • the irregular rough surface is a rough surface formed by mechanical processing, chemical etching or laser etching.
  • the outer surface of the cavity is a substantially regular rough surface.
  • the substantially regular rough surface includes a plurality of protrusions distributed in an array.
  • the substantially regular rough surface includes a plurality of grooves distributed in an axial or circumferential direction.
  • the material of the substrate is quartz glass.
  • the infrared radiation coating is an infrared electrothermal coating, which is used to receive the heating of electric power and then radiate infrared rays; it also includes an electrode coating, which is electrically connected to the infrared electrothermal coating, and is used to transmit power from the power source to the infrared electrothermal coating. coating.
  • it further includes a reflecting member and/or a heat insulating member, the reflecting member and/or the heat insulating member are arranged on the peripheral periphery of the heating body, and used to prevent at least part of the heat from being lost to the surroundings of the heating body.
  • the thermal insulation member includes a vacuum tube, an aerogel tube, an aerogel felt or a porous polyurethane layer.
  • the reflective coating may include a metal tube with a smooth inner surface; the reflective member may also be an ITO layer.
  • emissivity + reflectivity + transmittance 1. Therefore, in order to improve the power efficiency of the infrared heating element, the reflectivity can be reduced, for example, by roughening the reflective surface to reduce the reflectivity of the surface. In turn, the power efficiency of the infrared heating element is improved.
  • a non-smooth surface is prepared on the outer surface of the substrate, that is, the interface between the infrared electrothermal coating and the substrate, so that the reflection of infrared rays emitted by the infrared electrothermal coating at the interface is reduced, and the power efficiency can be improved. the goal of.
  • Figure 1 is a schematic diagram of the irregular rough surface of the present application
  • Figure 2 is a schematic diagram of a substrate with a regular rough surface
  • Figure 3 is a schematic diagram of another regular rough surface substrate
  • Fig. 4 is a schematic diagram of a heating element according to an embodiment of the present application.
  • Fig. 5 is an exploded view of a heating device of the present application.
  • the heating element substrate 111 is a quartz glass tube, the quartz glass tube is a round tube, and a cavity for accommodating smoking articles is formed inside the quartz glass tube.
  • the inner surface of the glass tube is a smooth surface, and the outer surface is roughened to form a rough surface;
  • the infrared radiation coating is an infrared electrothermal coating, which is heated by receiving the electric power of the power source, and then emits infrared rays; it is understandable that the infrared radiation
  • the coating can also be electrically insulating, with an additional heating device to increase its temperature.
  • the infrared electrothermal coating of this embodiment is a tin oxide coating doped with antimony, which is deposited on the outer surface of the substrate through a thermal spraying process.
  • the rough surface of the substrate may be an irregular rough surface, and the rough surface may be formed by a conventional processing method, for example, by a method of mechanical grinding, chemical etching, or laser ablation;
  • the heating element substrate 111 may be a regular rough surface, for example, protrusions distributed in an array. It may be polygonal or pyramid-shaped; for example, grooves densely arranged along the axial or circumferential direction on the outer surface; the regular rough surface may be prepared by methods such as mechanical embossing or laser ablation;
  • the heating element 11 containing a substrate 111 of the present application.
  • the heating element 11 also includes an infrared electrothermal coating 112 on the outer surface of the substrate 111 and a first electrode electrically connected to the infrared electrothermal coating 112. 113 and second electrode 114.
  • first electrode 113 and the second electrode 114 may also include opposite electrode strips extending longitudinally along the base 111, and the electrode strips make the current input through the electrodes It can flow along the circumferential direction of the infrared electrothermal coating 112.
  • FIG. 5 is a heating device 100 according to an embodiment of the present application, which includes a housing assembly 6 and the above-mentioned heating element 11, and the heating element 11 is provided in the housing assembly 6.
  • an infrared electrothermal coating 112 and a first electrode 113 and a second electrode 114 electrically connected to the infrared electrothermal coating 112 are provided on the outer surface of the substrate 111.
  • the infrared electrothermal coating 112 can emit infrared rays to the substrate.
  • the aerosol generating substrate in the chamber of 111 is radiantly heated.
  • the housing assembly 6 includes a housing 61, a fixed housing 62, a fixed seat (14, 15) and a bottom cover 64.
  • the fixed housing 62 and the fixed seat (14, 15) are all fixed in the housing 61, wherein the fixed seat (14, 15)
  • the fixing seats (14, 15) are arranged in the fixing shell 62, and the bottom cover 64 is arranged at one end of the shell 61 and covers the shell 61.
  • the fixing bases (14, 15) include a first fixing base 14 and a second fixing base 15.
  • the first fixing base 14 and the second fixing base 15 are both provided in the fixing shell 62, and the first end and the second fixing base of the base 111 The two ends are respectively fixed on the first fixing base 14 and the second fixing base 15.
  • the bottom cover 64 is provided with an air inlet pipe 641.
  • the end of the second fixing base 15 away from the first fixing base 14 is connected to the air inlet pipe 641.
  • the fixing base 14, the base 111, the second fixing base 15 and the air inlet pipe 641 are coaxially arranged, and the base 111 is sealed with the first fixing base 14 and the second fixing base 15, and the second fixing base 15 and the air inlet pipe 641 are also sealed ,
  • the air intake pipe 641 communicates with the outside air so that the user can take in smoothly when inhaling.
  • the heating device 100 also includes a main control circuit board 3 and a battery 7.
  • the fixed shell 62 includes a front shell 621 and a rear shell 622, the front shell 621 and the rear shell 622 are fixedly connected, the main control circuit board 3 and the battery 7 are both arranged in the fixed shell 62, the battery 7 is electrically connected to the main control circuit board 3, and keys are 4 is projected on the housing 61 and is electrically connected to the main control circuit board 3.
  • the main control circuit board 3 is also connected to a charging interface 31, which is exposed on the bottom cover 64. The user can charge or upgrade the heating device 100 through the charging interface 31 to ensure the continuous use of the heating device 100.
  • the heating device 100 further includes a heat insulating member 16.
  • the heat insulating member 16 is a hollow heat insulating tube, preferably a vacuum heat insulating tube with an internal air pressure lower than the ambient air pressure, the heat insulating member 16 is arranged in the fixed shell 62, and the heat insulating member 16 sets Located outside the base 111, the heat insulating member 16 can prevent a large amount of heat from being transferred to the housing 61 and causing the user to feel hot.
  • the heat insulating member 16 may also be coated with an infrared reflective coating, or an embedded reflective member can reflect the infrared rays emitted by the infrared electrothermal coating 112 on the substrate 111 back to the infrared electrothermal layer, thereby improving heating efficiency.
  • the heating device 100 also includes an NTC temperature sensor 2 for detecting the real-time temperature of the substrate 111 and transmitting the detected real-time temperature to the main control circuit board 3.
  • the main control circuit board 3 feeds the infrared electrothermal coating 112 according to the real-time temperature adjustment.
  • the size of the electrical power on Specifically, when the NTC temperature sensor 2 detects that the real-time temperature in the substrate 111 is low, for example, when it detects that the temperature inside the substrate 111 is less than 150°C, the main control circuit board 3 controls the battery 7 to output a higher voltage to the electrodes.
  • the current fed into the infrared electrothermal coating 112 is increased, the heating power of the aerosol-forming substrate is increased, and the time for the user to wait for the first mouth to be sucked is reduced.
  • the main control circuit board 3 controls the battery 7 to output a lower sustain voltage to the electrode; when the NTC temperature sensor 2 detects that the temperature inside the substrate 111 is 250 When the temperature is above or above, the main control circuit board 3 controls the battery 7 to stop outputting voltage to the electrodes.

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Abstract

一种加热装置，该加热装置用于加热气溶胶生成基质以挥发其中至少一种成分形成气溶胶，包括发热体(11)，所述发热体(11)包括基体(111)，被设置为具有接收至少部分气溶胶生成基质的腔室；还包括形成于所述腔室外表面的红外辐射涂层(112)，用于升温后产生红外线，并至少以红外辐射的方式传递能量给所述腔室内的所述气溶胶生成基质，以使所述气溶胶生成基质中的至少一种成分挥发形成气溶胶；所述腔室的外表面的表面粗糙度大于所述腔室内表面的表面粗糙度。使基体(111)的外表面与红外电热涂层界面形成粗糙表面，使得所述红外电热涂层发射的红外线在界面处的反射降低，进而可以达到提高功率效率的目的。

Description

一种加热装置
相关申请的交叉引用
本申请要求于2020年01月16日提交中国专利局，申请号为202020095231.6，发明名称为“一种加热装置”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
本申请涉及烟具领域，尤其涉及一种加热装置，用于加热气溶胶生成基质以挥发其中至少一种成分形成气溶胶供用户吸食。
背景技术
传统的诸如香烟和雪茄的吸烟制品在使用期间通过燃烧烟草以产生烟雾供人吸食，燃烧过程中，吸烟制品在挥发出尼古丁等有效成分的同时，还会由于不完全燃烧等原因产生焦油、一氧化碳等有毒害、致癌的物质，这些物质已经证实是导致吸烟人群健康问题的主要原因。已经尝试通过产生在不燃烧的情况下释放尼古丁等化合物的产品来为这些燃烧烟草的物品提供替代物以降低吸烟的危害。此类产品的示例是所谓的加热不燃烧产品，其通过加热吸烟制品而不是燃烧来释放尼古丁等有效化合物，由于不燃烧，将大大降低烟气中焦油、一氧化碳等有毒害以及致癌物。
低温烟红外加热管是一种新型的低温烟加热部件，该加热管表面通过化学气相沉积等的方法镀有红外电热膜，例如ATO薄膜，通过加电发热并将热量转换成红外辐射的形式对管中的吸烟制品加热。用这种加热方式加热吸烟制品比传统的依靠热传导方式加热的方式具有更好的口感和烟雾量。原因是红外加热具有更好的温场均匀性和具有一定的穿透能力，使得吸烟制品内的烟草等材料几乎一起进行红外辐射加热。
采用上述结构的烟具存在的问题是，红外电热涂层在吸烟制品的外围辐射，而红外涂层在向基体内的吸烟制品辐射红外线时，由于基体的 存在，使得在红外电热涂层和基体之间的界面存在反射界面，会使得红外线的一部分被反射，由此降低红外线的透射率和发射率，这些会导致红外电热涂层的电源利用率较低，进而影响吸烟制品的预热速度和出烟速度，降低了用户体验。
发明内容
为了解决现有技术中存在的电源利用效率较低的问题，提高用户体验，本发明提供了一种加热装置。
本发明提供一种加热装置，用于加热气溶胶生成基质以挥发其中至少一种成分形成气溶胶，包括发热体，所述发热体包括：
基体，被设置为具有接收至少部分气溶胶生成基质的腔室；
形成于所述腔室外表面的红外辐射涂层，用于升温后产生红外线，并至少以红外辐射的方式传递能量给接收于所述腔室内的所述气溶胶生成基质，以使所述气溶胶生成基质中的至少一种成分挥发形成气溶胶；
所述腔室的外表面的表面粗糙度大于所述腔室内表面的表面粗糙度。
进一步地，所述基体呈管状，所述基体的内表面形成所述腔室。
进一步地，所述腔室的外表面是不规则的粗糙表面。
进一步地，所述不规则的粗糙表面是经过机械加工或化学腐蚀或激光刻蚀形成的粗糙表面。
进一步地，所述腔室的外表面是基本规则的粗糙表面。
进一步地，所述基本规则的粗糙表面包括呈阵列分布的多个凸起。
进一步地，所述基本规则的粗糙表面包括成沿轴向或周向分布的多个凹槽。
进一步地，所述基体材质为石英玻璃。
进一步地，所述红外辐射涂层为红外电热涂层，用于接收电功率升温进而辐射红外线；还包括电极涂层，与所述红外电热涂层电连接，用于输送电源电功率到所述红外电热涂层。
进一步地，还包括反射件和/或绝热件，所述反射件和/或所述绝热 件设置在所述发热体的周向外围，用于阻止至少部分热量向所述发热体四周散失。
进一步地，所述绝热件包括真空管、气凝胶管、气凝胶毡或多孔聚氨酯层。
进一步地，所述反射件反射涂层，或者包括金属管，所述金属管具有光滑地内表面；所述反射件还可以是I TO层。
根据红外辐射的原理可以知道，发射率+反射率+透射率＝1，因此为了提高红外发热体的功率效率，可以通过降低反射率，例如通过反射表面的粗糙化处理来降低表面的反射率，进而提高红外发热体的功率效率。本申请在基体的外表面，即红外电热涂层的与基体的界面处制备非光滑的表面，使得所述红外电热涂层发射的红外线在界面处的反射降低，进而可以达到提高所述功率效率的目的。
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是本申请的不规则粗糙表面的基体示意图；
图2是一种规则粗糙表面的基体示意图；
图3是另一种规则粗糙表面的基体示意图；
图4是本申请一种实施方式的发热体示意图；
图5是本申请的一种加热装置的分解图。
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。需要说明的是，当元件被表述“固定于”另一个元件，它可以直接在另一个元件上、或者其间可以存在一个或多个居中的元件。当一个元件被表述“连接”另一个元件，它可以是直接连接到另一个元件、或者其间可以存在一个或多个居中的元件。本说明书所使用的术语“上”、“下”、“左”、“右”、“内”、“外”以及类似的表述只是为了 说明的目的。
除非另有定义，本说明书所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本说明书中在本申请的说明书中所使用的术语只是为了描述具体的实施方式的目的，不是用于限制本申请。本说明书所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
下面结合附图对本申请做详细的描述，所做描述仅为理解本申请的构思，本申请不限于所描述的范围。
如图1所示，为本申请的一种实施方式所提供的发热体基体111，该基体为石英玻璃管，所述石英玻璃管为圆管，内部形成容纳吸烟制品的腔室，所述石英玻璃管的内表面为光滑表面，外表面经过粗糙化加工形成粗糙表面；
在所述粗糙表面上形成红外辐射涂层，在本实施方式中，所述红外辐射涂层为红外电热涂层，通过接收电源的电功率升温，进而发射红外线；可以理解的是，所述红外辐射涂层也可以是电绝缘的，通过额外的加热装置使其温度升高。本实施方式的红外电热涂层为掺杂锑的氧化锡涂层，通过热喷涂工艺沉积在基体的外表面。
所述基体的粗糙表面可以是不规则的粗糙表面，可以通过常规的加工方法形成所述粗糙表面，例如，通过机械研磨或者化学腐蚀或者激光烧蚀的方法制备；
如图2-3所示，为本申请的另外实施方式所提供的发热体基体111，所述基体111的粗糙表面可以是规则的粗糙表面，例如，呈阵列分布的凸起，所述凸起可以为多边形，也可以为金字塔状；又例如，外表面上沿轴向或周向密集排列的凹槽等；所述规则的粗糙表面可以通过机械压花或者激光烧蚀等的方法制备；
如图4所示，是包含本申请的基体111的发热体11，所述发热体11还包括在基体111的外表面设置红外电热涂层112以及与红外电热涂层112导电连接的第一电极113和第二电极114。
在另一种实施方式中，所述第一电极113和所述第二电极114还可 以包括相对设置的沿基体111纵向延伸的电极条带，所述电极条带使得通过所述电极输入的电流可以沿所述红外电热涂层112的周向方向流动。
图5是本申请实施方式的一种加热装置100，包括壳体组件6和上述的发热体11，发热体11设于壳体组件6内。本实施例的加热装置100，在基体111的外表面设置红外电热涂层112以及与红外电热涂层112导电连接的第一电极113和第二电极114，红外电热涂层112可发出红外线对基体111的腔室内的气溶胶生成基质进行辐射加热。
壳体组件6包括外壳61、固定壳62、固定座(14、15)以及底盖64，固定壳62、固定座(14、15)均固定于外壳61内，其中固定座(14、15)用于固定基体111，固定座(14、15)设置于固定壳62内，底盖64设于外壳61一端且盖设外壳61。具体的，固定座(14、15)包括第一固定座14和第二固定座15，第一固定座14和第二固定座15均设于固定壳62内，基体111的第一端和第二端分别固定在第一固定座14和第二固定座15上，底盖64上凸设有进气管641，第二固定座15背离第一固定座14的一端与进气管641连接，第一固定座14、基体111、第二固定座15以及进气管641同轴设置，且基体111与第一固定座14、第二固定座15之间密封，第二固定座15与进气管641也密封，进气管641与外界空气连通以便于用户抽吸时可以顺畅进气。
加热装置100还包括主控制电路板3和电池7。固定壳62包括前壳621与后壳622，前壳621与后壳622固定连接，主控制电路板3和电池7均设置在固定壳62内，电池7与主控制电路板3电连接，按键4凸设在外壳61上并与主控制电路板3电连接，通过按压按键4，可以实现对基体111表面上的红外电热涂层112的通电或断电。主控制电路板3还连接有一充电接口31，充电接口31裸露于底盖64上，用户可以通过充电接口31对加热装置100进行充电或升级，以保证加热装置100的持续使用。
加热装置100还包括绝热件16，在本实施方式种，绝热件16为中空隔热管，优选内部气压小于环境气压的真空隔热管，绝热件16设置 在固定壳62内，绝热件16套设在基体111外，绝热件16可以避免大量的热量传递到外壳61上而导致用户觉得烫手。绝热件16内还可涂覆有红外线反射涂层，或者内嵌反射件以将基体111上的红外电热涂层112发出的红外线反射回红外电热层，提高加热效率。
加热装置100还包括NTC温度传感器2，用于检测基体111的实时温度，并将检测的实时温度传输到主控制电路板3，主控制电路板3根据该实时温度调节馈送至红外电热涂层112上的电功率的大小。具体的，当NTC温度传感器2检测到基体111内的实时温度较低时，譬如检测到基体111内侧的温度不到150℃时，主控制电路板3控制电池7输出较高的电压给电极，进而提高红外电热涂层112中馈入的电流，提高气溶胶形成基质的加热功率，减少用户抽吸第一口所要等待的时间。当NTC温度传感器2检测到基体111的温度在200℃-250℃时，主控制电路板3控制电池7输出较低的维持电压给电极；当NTC温度传感器2检测到基体111内侧的温度在250℃及以上时，主控制电路板3控制电池7停止输出电压给电极。
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，但是，本申请可以通过许多不同的形式来实现，并不限于本说明书所描述的实施例，这些实施例不作为对本申请内容的额外限制，提供这些实施例的目的是使对本申请的公开内容的理解更加透彻全面。并且，上述各技术特征继续相互组合，形成未在上面列举的各种实施例，均视为本申请说明书记载的范围；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 (10)

  1. 一种加热装置，用于加热气溶胶生成基质以挥发其中至少一种成分形成气溶胶，其特征在于，包括发热体，所述发热体包括：
    基体，被设置为具有接收至少部分气溶胶生成基质的腔室，所述腔室的外表面的表面粗糙度大于所述腔室内表面的表面粗糙度；
    形成于所述腔室外表面的红外辐射涂层，用于升温后产生红外线，并至少以红外辐射的方式传递能量给接收于所述腔室内的所述气溶胶生成基质，以使所述气溶胶生成基质中的至少一种成分挥发形成气溶胶。
  2. 根据权利要求1所述的加热装置，其特征在于，所述基体呈管状，所述基体的内部形成所述腔室。
  3. 根据权利要求1或2所述的加热装置，其特征在于，所述腔室的外表面是不规则的粗糙表面。
  4. 根据权利要求3所述的加热装置，其特征在于，所述不规则的粗糙表面是经过机械加工或化学腐蚀或激光刻蚀形成的粗糙表面。
  5. 根据权利要求1或2所述的加热装置，其特征在于，所述腔室的外表面是基本规则的粗糙表面。
  6. 根据权利要求5所述的加热装置，其特征在于，所述基本规则的粗糙表面包括呈阵列分布的多个凸起。
  7. 根据权利要求5所述的加热装置，其特征在于，所述基本规则的粗糙表面包括基本沿轴向或周向分布的多个凹槽。
  8. 根据权利要求1或2或4或6或7所述的加热装置，其特征在于，所述基体的材质为石英玻璃。
  9. 根据权利要求8所述的加热装置，其特征在于，所述红外辐射涂层为红外电热涂层，用于接收电功率升温进而辐射红外线；还包括电极涂层，与所述红外电热涂层电连接，用于输送电源电功率到所述红外电热涂层。
  10. 根据权利要求9所述的加热装置，其特征在于，还包括反射件 和/或绝热件，所述反射件和/或所述绝热件设置在所述发热体的周向外围，用于阻止至少部分热量向所述发热体四周散失。
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CN112641134A (zh) * 2020-12-29 2021-04-13 江门摩尔科技有限公司 发热管及其制造方法和气溶胶产生装置
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