WO2020151196A1 - 一种电子烟及其气溶胶发生装置 - Google Patents

一种电子烟及其气溶胶发生装置 Download PDF

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WO2020151196A1
WO2020151196A1 PCT/CN2019/094652 CN2019094652W WO2020151196A1 WO 2020151196 A1 WO2020151196 A1 WO 2020151196A1 CN 2019094652 W CN2019094652 W CN 2019094652W WO 2020151196 A1 WO2020151196 A1 WO 2020151196A1
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aerosol
substrate
thick film
heating circuit
substance
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PCT/CN2019/094652
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English (en)
French (fr)
Inventor
张志斌
任希
徐逸楷
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株洲利德英可电子科技有限公司
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Priority claimed from CN201910058370.3A external-priority patent/CN109549255A/zh
Priority claimed from CN201920107689.6U external-priority patent/CN209489511U/zh
Application filed by 株洲利德英可电子科技有限公司 filed Critical 株洲利德英可电子科技有限公司
Publication of WO2020151196A1 publication Critical patent/WO2020151196A1/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
    • A24F47/00—Smokers' requisites not otherwise provided for

Definitions

  • the invention relates to the technical field of aerosol generating devices, in particular to an electronic cigarette and an aerosol generating device.
  • E-cigarettes are electronic products that imitate cigarettes and have similar smoke, taste, feel and smoking experience to cigarettes. It is a product that allows users to inhale after nicotine is turned into steam by means such as atomization.
  • the heaters of the e-liquid-type electronic cigarettes on the market mostly adopt the method of winding the resistance wire outside the absorbing cotton. It has defects such as low heating efficiency, high energy consumption, short lifespan, and high surface temperature, which ultimately affect the taste of electronic cigarettes and the service life of appliance batteries.
  • the purpose of the present invention is to provide an electronic cigarette and an aerosol generating device thereof, which can realize rapid heating and an excellent user experience.
  • an aerosol generating device which includes:
  • a thick-film heating circuit arranged on the substrate and used for contacting the substance to be formed into aerosol to achieve atomization of the substance to be formed into aerosol.
  • the substrate is specifically an insulating substrate.
  • the substrate is specifically a conductive substrate, and an insulating layer for preventing conduction between the conductive substrate and the thick film heating circuit is provided between the conductive substrate and the thick film heating circuit.
  • the thick film heating circuit includes a resistor with TCR temperature-sensitive characteristics for heating the substance to be formed into aerosol, so as to realize heating and measuring the heating temperature of the substance to be formed into aerosol.
  • it further includes an adjusting part connected to the resistor with TCR temperature-sensitive characteristics for adjusting the heating temperature.
  • it further includes an adsorption part provided on the thick film heating circuit for adsorbing the substance to be formed into aerosol to the thick film heating circuit.
  • the substrate is provided with a pore channel for discharging the atomized gas.
  • the adsorption part completely covers the surface of the thick film heating circuit or the surface of the substrate.
  • the adsorption part is specifically made of oil-absorbing cotton, fiber tow, inorganic non-metal porous material, porous metal or metal fiber product.
  • An electronic cigarette provided by the present invention includes the aerosol generating device as described in any one of the above.
  • the aerosol generating device provided by the present invention includes a substrate and a thick film heating circuit.
  • the thick film heating circuit is provided on the substrate.
  • the thick film heating circuit can be in contact with the substance to be formed into the aerosol, so that the Atomization of aerosol substances; it can be seen that the aerosol generating device provided by the present invention is based on thick film heating technology, and the substance to be formed into aerosol and the thick film heating circuit are in efficient thermal contact, and the aerosol is to be formed After the substance receives the heat of the thick film heating circuit, a large amount of aerosol atomized steam is formed, so as to achieve the purpose of atomizing the substance.
  • the thick-film heating circuit Due to the small heat capacity and high power density of the thick film heating circuit, it can achieve extremely fast heating and cooling, with timely thermal response and excellent user experience.
  • the thick-film heating circuit has a large heat exchange area, high electrothermal conversion efficiency, and can quickly exchange heat with aerosol-forming substances, so it saves energy and electricity, and has a large amount of smoke.
  • the thick film heating circuit in the above structure can be shaped according to the shape of the substrate, it can be flat or curved, so there is great design flexibility, and it is convenient to design into a heating element that can be automatically assembled. Greatly improve the production efficiency and product reliability of aerosol generating devices.
  • the electronic cigarette with an aerosol generating device provided by the present invention has the beneficial effects as described above, and will not be repeated here.
  • Figure 1 is a schematic cross-sectional view of a first aerosol generating device provided by an embodiment of the present invention
  • FIG. 2 is a schematic cross-sectional view of a second aerosol generating device provided by an embodiment of the present invention
  • Figure 3 is a top view of Figure 2;
  • Figure 4 is a schematic diagram of the aerosol generating device provided by the embodiment of the present invention when in use;
  • FIG. 5 is a diagram showing the relationship between the resistance value of the PTC resistance of the aerosol generating device according to the embodiment of the present invention when it changes with temperature.
  • the aerosol generating device provided by the present invention, as shown in Figures 1 to 4 of the specification, includes a substrate 1 and a thick film heating circuit 2.
  • the substrate 1 serves as a reference for the aerosol generating device, and the thick film heating circuit 2 is directly Or indirectly arranged on the substrate 1, the thick film heating circuit 2 can be in contact with the substance 9 to be formed into aerosol.
  • the thick film heating circuit 2 is heated, the substance 9 to be formed in contact with the thick film heating circuit 2 is heated And evaporate to achieve the effect of generating aerosol atomized steam for the substance 9 to be formed into aerosol.
  • thick film heating refers to the use of printing technology to print insulating media, resistors, conductors, protective glaze and other materials on the substrate, which are made by high-temperature sintering.
  • High-power thick-film electric heating elements with excellent performance of high strength, high efficiency, long life, and safety and environmental protection characteristics, are called the industrial revolution in the field of electric heating elements.
  • the thick film heating circuit 2 can be regarded as a thick film circuit.
  • the thick film circuit is a type of integrated circuit. It refers to the process of printing, firing and welding resistors, inductors, capacitors, semiconductor components and interconnecting wires on the substrate.
  • the circuit unit with certain functions made above; that is, the thick film circuit mainly refers to the resistance heating circuit.
  • an electrode 21 and a lead 22 should also be provided to ensure that the thick film heating circuit 2 atomizes the substance 9 to be aerosol; among them, the substance to be aerosol 9 can be liquid or solid such as e-liquid, paste, honey, etc., depending on the use occasion of the aerosol generating device.
  • the lead 22 can be led out by a thimble, a riveting piece, and other reliable electrical connections.
  • the aerosol generating device of the present application abandons the use of the heating wire in the prior art to achieve heating. Because the heating wire has a small thermal contact area, in order to reach the target temperature, it needs a higher temperature to achieve the temperature difference. Heat exchange, so the heating efficiency is low, and the heating response speed is slow. In addition, because the resistance wire is exposed to the air for a long time at high temperature, it is easy to oxidize, brittle, and the resistance value (power) changes. However, the thick film used in this application generates heat The circuit 2 can well solve the above-mentioned problems, and its reliable thick film paste sintering package avoids heavy metals and other hazards that are easily generated by the heating wire for long-term high temperature.
  • the substrate 1 can be an insulating substrate, such as a ceramic substrate, glass substrate or other heat-resistant organic or inorganic materials.
  • a thick film heating circuit 2 is directly arranged on the surface of the insulating substrate; among them, the heating layer of the thick film heating circuit 2, The electrode 21 or the lead 22, etc. can be directly arranged on the insulating substrate.
  • the substrate 1 can be a conductive substrate, such as a metal substrate or a conductive non-metallic material.
  • a conductive substrate such as a metal substrate or a conductive non-metallic material.
  • an insulating layer 4 needs to be provided between the conductive substrate and the thick film heating circuit 2 to avoid a conductive substrate It is connected to the thick film heating circuit 2.
  • the substrate 1 can be set in a sheet shape, a hollow tube shape or a semicircle shape and other shape deformations; and the circuit can be attached to the surface of a flat or curved substrate without being restricted by the shape.
  • the outer surface of the thick film heating circuit 2 can also be provided with a protective layer 5.
  • the protective layer 5 is used to protect the thick film heating circuit 2 on the insulating layer 4, so that the substance 9 to be formed into aerosol It does not directly contact the thick-film heating circuit 2 but the protective layer 5; in the working process, because the thick-film heating circuit 2 generates heat, the heat is transferred to the substance 9 to be aerosol through the protective layer 5, so that the aerosol is to be formed
  • the substance 9 evaporates and atomizes, thereby increasing the service life of the aerosol generating device.
  • the thick film heating circuit 2 includes a resistor with a TCR temperature-sensitive characteristic for heating the substance 9 to be formed into aerosol, so as to realize heating and measuring the heating temperature of the substance 9 to be formed into aerosol.
  • the resistor with TCR temperature-sensitive characteristics can be made of materials with PTC (positive temperature coefficient) characteristics (NTC negative temperature coefficient materials are also available, the principle is the same, and I will not repeat them), and its TCR (temperature coefficient of resistance) can be 1000ppm /°C above, so as to realize the synchronization of heating and temperature detection, and achieve the effect of "both heating element and temperature measuring element", as shown in Figure 5 of the specification.
  • the temperature coefficient of resistance represents the relative change of the resistance value when the temperature of the resistance changes by 1°C, and the unit is ppm/°C (ie 10E(-6)/°C). Different materials have different resistivities, and different temperatures will also change the resistivity of the same material. In materials science, the temperature coefficient of resistance is usually used to reflect the degree of temperature influence on the resistance of a material, and the specific setting method can refer to the prior art.
  • the aerosol generating device may also be provided with an adjusting part, which is connected to a resistor with TCR temperature-sensitive characteristics to adjust the heating temperature of the resistor, thereby controlling the degree of atomization of the aerosol substance 9 to be formed.
  • the specific setting method of the adjusting part can refer to the prior art, which will not be repeated here.
  • the resistance of the thick film heating circuit 2 can also be an ordinary resistor, which does not need to have temperature-sensitive characteristics, as long as it can generate heat, so as to reduce the substance to be formed into aerosol. 9 Atomization is enough.
  • the adsorption part 3 is provided in the thick film heating circuit 2, and the adsorption part 3 is used to adsorb the substance 9 to be formed into the thick film heating circuit Circuit 2, as shown in Figure 4 of the specification, one side of the adsorption part 3 is in contact with the thick film heating circuit 2, and the other side of the adsorption part 3 is in contact with the substance 9 to be formed.
  • the adsorption part 3 can also be The substance 9 of the aerosol is integrated.
  • the adsorption part 3 can be specifically configured as oil-absorbing cotton or other porous loose materials.
  • the adsorption part 3 can be completely covered on the surface of the thick film heating circuit 2, thereby improving the adsorption efficiency of the adsorption part 3 and enhancing the atomization effect.
  • the process of adsorbing the substance 9 to be formed into aerosol to the thick film heating circuit 2 using the adsorption part 3 is given above.
  • the adsorption part 3 and the substance 9 to be formed into aerosol can also be set in liquid, paste, honey or solid form, so as to contact with the thick film heating circuit 2 and be formed by the heating of the thick film heating circuit 2 Aerosol substances.
  • the substrate 1 is provided with pore channels 11 for discharging the atomized aerosol gas.
  • the substance 9 to be formed into aerosol is attracted by the absorbent part 3 such as oil-absorbing cotton, which can achieve efficient thermal contact with the thick film heating circuit 2.
  • the substance 9 to be formed into aerosol forms a large amount of aerosol through the pore channel 11
  • the steam is atomized to achieve the purpose of atomizing the substance 9 to be formed into an aerosol.
  • An electronic cigarette with a thermal atomization device provided by the present invention includes the aerosol generating device described in the above specific embodiments; other parts of the electronic cigarette can refer to the prior art, and this article will not be expanded.
  • the electronic cigarette and its aerosol generating device provided by the present invention adopt thick film circuit technology to prepare a thick film heating circuit 2 on the substrate 1 (metal substrate or inorganic non-metal substrate surface), and then combine the porous material with the substrate 1
  • the compound contact is carried out through high temperature or bonding, and the capillary phenomenon generated by the porous characteristics of the multiple pores is used to attract or store the substance 9 to be formed into aerosol (the adsorption part 3 can also be used to attract the substance 9 to be formed into the aerosol).
  • the substance 9 to be formed into aerosol can be in efficient thermal contact with the thick film heating circuit 2, and the substance 9 to be formed to form aerosol forms a large amount of aerosol atomized steam after absorbing heat; in addition, Utilize the TCR "temperature coefficient of resistance" characteristic of PTC resistors to achieve the effect of "both heating element and temperature measuring element", realizing high efficiency and energy saving, rapid response, precise temperature control, stable performance and high taste reduction of new electronics Smoke heating technology.

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Abstract

一种气溶胶发生装置，包括：基板（1）；设于基板（1）、用以和待形成气溶胶的物质（9）接触以实现待形成气溶胶的物质（9）雾化的厚膜发热电路（2）。基板（1）具体为绝缘基板。基板（1）具体为导电基板，且导电基板和厚膜发热电路（2）之间设有用以避免导电基板和厚膜发热电路（2）导通的绝缘层（4）。厚膜发热电路（2）包括用以加热待形成气溶胶的物质（9）、且具有TCR温敏特性的电阻，以实现对待形成气溶胶的物质（9）进行加热和测量加热温度。还包括和具有TCR温敏特性的电阻相连、用以调节加热温度的调节部。还公开了一种包括气溶胶发生装置的电子烟。上述气溶胶发生装置，可以实现快速地加热，使用体验极佳。

Description

一种电子烟及其气溶胶发生装置
本申请要求于2019年01月22日提交中国专利局、申请号为201910058370.3、发明名称为“一种电子烟及其气溶胶发生装置”的中国专利以及于2019年01月22日提交中国专利局、申请号为201920107689.6、发明名称为“一种电子烟及其气溶胶发生装置”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
本发明涉及气溶胶发生装置技术领域，特别涉及一种电子烟及其气溶胶发生装置。
背景技术
随着市场经济的不断发展，市场对于各种类型的电子烟及其气溶胶发生装置的需求日益增加。
电子烟是一种模仿卷烟的电子产品，有着与卷烟相似的烟雾、味道、感觉和抽吸体验。它是通过雾化等手段，将尼古丁等变成蒸汽后，让用户吸食的一种产品。
目前市场上的烟油型电子烟的加热器，多采用吸油棉外绕电阻丝的方式。其存在加热效率低下、能耗高、寿命短、表面温度高等缺陷，最终影响电子烟的口感、影响器具电池使用寿命。
发明内容
本发明的目的是提供一种电子烟及其气溶胶发生装置，可以实现快速地加热，使用体验极佳。
为实现上述目的，本发明提供一种气溶胶发生装置，包括：
基板；
设于所述基板、用以和待形成气溶胶的物质接触以实现待形成气溶胶 的物质雾化的厚膜发热电路。
优选地，所述基板具体为绝缘基板。
优选地，所述基板具体为导电基板，且所述导电基板和所述厚膜发热电路之间设有用以避免所述导电基板和所述厚膜发热电路导通的绝缘层。
优选地，所述厚膜发热电路包括用以加热待形成气溶胶的物质、且具有TCR温敏特性的电阻，以实现对待形成气溶胶的物质进行加热和测量加热温度。
优选地，还包括和所述具有TCR温敏特性的电阻相连、用以调节加热温度的调节部。
优选地，还包括设于所述厚膜发热电路、用以将待形成气溶胶的物质吸附至所述厚膜发热电路的吸附部。
优选地，所述基板设有用以供经雾化后的气体排出的孔隙通道。
优选地，所述吸附部全部覆盖于所述厚膜发热电路的表面或者所述基板的表面。
优选地，所述吸附部具体为吸油棉、纤维丝束、无机非金属多孔材料、多孔金属或者金属纤维制品。
本发明提供的一种电子烟，包括如上述任意一项所述的气溶胶发生装置。
相对于上述背景技术，本发明提供的气溶胶发生装置，包括基板和厚膜发热电路，厚膜发热电路设于基板，厚膜发热电路能够和待形成气溶胶的物质相接触，从而使得待形成气溶胶的物质雾化；可以看出，本发明提供的气溶胶发生装置是以厚膜加热技术为基础，待形成气溶胶的物质和厚膜发热电路之间高效的热接触，待形成气溶胶的物质接收到厚膜发热电路的热量后，形成大量的气溶胶雾化蒸汽，从而达到将物质雾化的目的。由于厚膜发热电路的热容量小、功率密度大，因而可以实现极速的加热与冷却，热响应及时，使用体验极佳。由于在上述结构中，厚膜发热电路的换热面积较大、电热转换效率高，能与形成气溶胶的物质快速换热，故节能省电、烟雾量大。与此同时，由于上述结构中的厚膜发热电路可以根据基板的形态附形，可以是平面、曲面，因此有很大的设计灵活性，进而方便设计成可自动化组装的发热体元器件，极大提高气溶胶发生装置的生产效 率和产品的可靠性。
本发明提供的具有气溶胶发生装置的电子烟，其有益效果如上述，此处将不再赘述。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。
图1为本发明实施例所提供的第一种气溶胶发生装置的剖面示意图；
图2为本发明实施例所提供的第二种气溶胶发生装置的剖面示意图；
图3为图2的俯视图；
图4为本发明实施例所提供的气溶胶发生装置在使用时的示意图；
图5为本发明实施例所提供的气溶胶发生装置的PTC电阻在随温度变化时阻值的变化关系图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
为了使本技术领域的技术人员更好地理解本发明方案，下面结合附图和具体实施方式对本发明作进一步的详细说明。
本发明提供的一种气溶胶发生装置，如说明书附图1至附图4所示，包括基板1和厚膜发热电路2，基板1作为气溶胶发生装置的基准，将厚膜发热电路2直接或间接地设置于基板1上，厚膜发热电路2能够和待形 成气溶胶的物质9接触，当厚膜发热电路2加热时，和厚膜发热电路2接触的待形成气溶胶的物质9受热并蒸发，实现待形成气溶胶的物质9的产生气溶胶雾化蒸汽效果。
其中，厚膜加热是指：采用印刷技术在基材上印刷绝缘介质、电阻、导体、保护釉等材料，通过高温烧结而成。大功率厚膜电热元件，具有高强度、高效率、高寿命的卓越性能及安全环保的特点，被称为电热元件领域的工业革命。
厚膜发热电路2可看成是厚膜电路，厚膜电路是集成电路的一种，是指将电阻、电感、电容、半导体元件和互连导线通过印刷、烧成和焊接等工序，在基板上制成的具有一定功能的电路单元；也即厚膜电路主要是指电阻发热电路。
当然，为了实现厚膜发热电路2的通电加热功能，还应设置有电极21和引线22，以确保厚膜发热电路2将待形成气溶胶的物质9雾化；其中，待形成气溶胶的物质9可以为烟油、膏状、蜜状等液体或固体，应视气溶胶发生装置的使用场合而定。引线22在某些具体结构中可以用顶针、铆接件和其他可靠的电连接引出。
具体地，针对厚膜发热电路2设置于基板1的具体过程，可参考现有技术中常见的丝网印刷方式：介质浆料→丝网印刷→烘干→高温烧结→电阻浆料→丝网印刷→烘干→高温烧结→电阻值调整→导体银浆→丝网印刷→烘干→高温烧结→引线焊接→成品的生产加工过程，本文不再赘述。
可以看出，本申请的气溶胶发生装置，摒弃了使用现有技术中的加热丝实现加热，由于加热丝的热接触面积较小，为了达到目标温度，其本身需要较高的温度来实现温差换热，因此加热效率较低，发热响应速度也较慢；此外，由于电阻丝长期高温暴露在空气中，易氧化、脆断，电阻值(功率)发生变化，然而本申请采用的厚膜发热电路2则能够很好地解决上述问题，其可靠的厚膜浆料烧结封装并且避免了因加热丝长期高温易产生的重金属等危害。
基板1可以为绝缘基板，例如陶瓷基片玻璃基片或其它耐热有机或者无机材料，显然，在绝缘基板的表面上直接设置厚膜发热电路2；其中，厚膜发热电路2的发热层、电极21或引线22等则可直接设置于绝缘基板。
基板1可以为导电基板，例如金属基片或导电的非金属材料等，当基板1为导电基板时，则需要在导电基板和厚膜发热电路2之间设有绝缘层4，以避免导电基板和厚膜发热电路2相导通。
其中，基板1可设置为片状、空心管状或半圆状等其它形状变形；且电路可附形于平面、曲面基材表面，不受外形限制。
参考说明书附图1，厚膜发热电路2的外表面还可设置保护层5，利用保护层5将厚膜发热电路2保护于绝缘层4之上，这样一来，待形成气溶胶的物质9不会直接接触厚膜发热电路2，而是接触保护层5；在工作过程中，由于厚膜发热电路2发热，热量经由保护层5传递至待形成气溶胶的物质9，使得待形成气溶胶的物质9蒸发雾化，从而提高气溶胶发生装置的使用寿命。
具体地，厚膜发热电路2包括用以加热待形成气溶胶的物质9的具有TCR温敏特性电阻，以实现对待形成气溶胶的物质9进行加热和测量加热温度。也即，具有TCR温敏特性电阻可采用具有PTC(正温度系数)特性的材料制成(NTC负温度系数特性材料同样可以，原理一致，不在赘述)，其TCR(电阻温度系数)可以在1000ppm/℃以上，从而实现发热与温度探测的同步，达到其“既是加热元件，又是测温元件”的效果，如说明书附图5所示。
其中，电阻温度系数(temperature coefficient of resistance，简称TCR)表示电阻当温度改变1℃时，电阻值的相对变化，单位为ppm/℃(即10E(-6)/℃)。不同的材料有不同的电阻率，而不同的温度也会使相同材料的电阻率发生改变。在材料科学上，通常用电阻的温度系数来反映材料的电阻受温度影响程度，其具体设置方式可参考现有技术。此外，气溶胶发生装置还可以设置调节部，调节部和具有TCR温敏特性电阻相连，用来调节电阻的加热温度，从而控制待形成气溶胶物质9的雾化程度。其中，调节部的具体设置方式可参考现有技术，本文不再赘述。当然，根据上文所述的厚膜发热电路2的生产工艺，厚膜发热电路2的电阻还可以采用普通的电阻，无需具备温敏特性，只要能够实现发热，从而将待形成气溶胶的物质9雾化即可。
为了实现待形成气溶胶的物质9置于厚膜发热电路2的散热区域，吸 附部3设于厚膜发热电路2，且吸附部3用以将待形成气溶胶的物质9吸附至厚膜发热电路2，如说明书附图4所示，吸附部3的一面和厚膜发热电路2接触，吸附部3的另一面和待形成气溶胶的物质9接触，当然，吸附部3还可以和待形成气溶胶的物质9合为一体。吸附部3可具体设置为吸油棉或者其他多孔的疏松材料。进一步地，如说明书附图4，吸附部3可以全部覆盖于厚膜发热电路2的表面，进而提高吸附部3的吸附效率，提升雾化效果。
具体地，上文给出了利用吸附部3将待形成气溶胶的物质9吸附至厚膜发热电路2的过程，同样地，为了实现待形成气溶胶的物质9受到厚膜发热电路2的热量而雾化，吸附部3和待形成气溶胶的物质9还可以设置为液态、膏状、蜜状或者固体形态，从而和厚膜发热电路2相接触，通过厚膜发热电路2的加热而形成气溶胶物质。如说明书附图3所示，基板1设有用以供经雾化后的气溶胶气体排出的孔隙通道11。在工作过程中，待形成气溶胶的物质9经吸油棉等吸附部3吸引，可以和厚膜发热电路2实现高效的热接触，待形成气溶胶的物质9通过孔隙通道11形成大量的气溶胶雾化蒸汽，从而达到将待形成气溶胶的物质9雾化的目的。
本发明所提供的一种具有热雾化装置的电子烟，包括上述具体实施例所描述的气溶胶发生装置；电子烟的其他部分可以参照现有技术，本文不再展开。
本发明提供的电子烟及其气溶胶发生装置，采用厚膜电路技术，在基板1(金属基材或无机非金属基材表面)上制备厚膜发热电路2，然后可以将多孔隙材料与基板1通过高温或粘接进行复合接触，利用多孔隙的多孔特性产生的毛细现象吸引或存储待形成气溶胶的物质9(也可利用吸附部3吸引待形成气溶胶的物质9)。当厚膜发热电路2通电时，待形成气溶胶的物质9可以和厚膜发热电路2高效的热接触，待形成气溶胶的物质9吸热之后形成大量的气溶胶雾化蒸汽；此外，可以利用PTC电阻的TCR“电阻温度系数”特性，达到其“既是加热元件，又是测温元件”的效果，实现高效节能、响应迅速、温度精准可控、性能稳定、口感还原度高的新型电子烟加热技术。
以上对本发明所提供的电子烟及其气溶胶发生装置进行了详细介绍。 本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。

Claims (10)

  1. 一种气溶胶发生装置，其特征在于，包括：
    基板(1)；
    设于所述基板(1)、用以和待形成气溶胶的物质(9)接触以实现待形成气溶胶的物质(9)雾化的厚膜发热电路(2)。
  2. 根据权利要求1所述的气溶胶发生装置，其特征在于，所述基板(1)具体为绝缘基板。
  3. 根据权利要求1所述的气溶胶发生装置，其特征在于，所述基板(1)具体为导电基板，且所述导电基板和所述厚膜发热电路(2)之间设有用以避免所述导电基板和所述厚膜发热电路(2)导通的绝缘层(4)。
  4. 根据权利要求1-3任意一项所述的气溶胶发生装置，其特征在于，所述厚膜发热电路(2)包括用以加热待形成气溶胶的物质(9)、且具有TCR温敏特性的电阻，以实现对待形成气溶胶的物质(9)进行加热和测量加热温度。
  5. 根据权利要求4所述的气溶胶发生装置，其特征在于，还包括和所述具有TCR温敏特性的电阻相连、用以调节加热温度的调节部。
  6. 根据权利要求4所述的气溶胶发生装置，其特征在于，还包括设于所述厚膜发热电路(2)、用以将待形成气溶胶的物质(9)吸附至所述厚膜发热电路(2)的吸附部(3)。
  7. 根据权利要求4所述的气溶胶发生装置，其特征在于，所述基板(1)设有用以供经雾化后的气体排出的孔隙通道(11)。
  8. 根据权利要求6所述的气溶胶发生装置，其特征在于，所述吸附部 (3)全部覆盖于所述厚膜发热电路(2)的表面或者所述基板(1)的表面。
  9. 根据权利要求8所述的气溶胶发生装置，其特征在于，所述吸附部(3)具体为吸油棉、纤维丝束、无机非金属多孔材料、多孔金属或者金属纤维制品。
  10. 一种电子烟，其特征在于，包括如权利要求1-9任意一项所述的气溶胶发生装置。
PCT/CN2019/094652 2019-01-22 2019-07-04 一种电子烟及其气溶胶发生装置 WO2020151196A1 (zh)

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