WO2021163950A1 - 发热组件、雾化器及电子烟 - Google Patents

发热组件、雾化器及电子烟 Download PDF

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Publication number
WO2021163950A1
WO2021163950A1 PCT/CN2020/075985 CN2020075985W WO2021163950A1 WO 2021163950 A1 WO2021163950 A1 WO 2021163950A1 CN 2020075985 W CN2020075985 W CN 2020075985W WO 2021163950 A1 WO2021163950 A1 WO 2021163950A1
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Prior art keywords
liquid
heating
base
hole
atomizer
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PCT/CN2020/075985
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English (en)
French (fr)
Inventor
李小平
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深圳麦克韦尔科技有限公司
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Priority to PCT/CN2020/075985 priority Critical patent/WO2021163950A1/zh
Publication of WO2021163950A1 publication Critical patent/WO2021163950A1/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
    • 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

Definitions

  • the present invention relates to the technical field of smoking appliances, in particular to a heating component, an atomizer and an electronic cigarette.
  • An electronic cigarette is an electronic product that imitates cigarettes, which mainly uses methods such as atomization to turn the e-liquid into steam for users to smoke.
  • the current electronic cigarette is mainly composed of an atomizer and a battery.
  • the atomizer is a component that atomizes the e-liquid into smoke.
  • the atomizer includes an oil storage cavity for storing e-liquid and a heating component that atomizes the e-liquid into smoke.
  • the atomizer is likely to fail to conduct liquid. There is a smooth and burnt smell, which brings a bad smoking experience to users.
  • a heat-generating component that can smoothly conduct liquid from the atomizer and an electronic cigarette that is not prone to burnt odors are also provided.
  • a heating component for atomizing e-liquid including a base, the base is porous ceramics, the base has a liquid-conducting surface, the e-liquid enters the base from the liquid-conducting surface, and the base is opened There are through holes, and the through holes are arranged along the flow direction of the e-liquid.
  • An atomizer including:
  • An oil storage cavity for storing e-liquid, and the oil storage cavity has an oil outlet;
  • the heating element is used to atomize the e-liquid.
  • the heating element includes a base and a heating element.
  • the base is porous ceramics.
  • the base has a liquid conducting surface and an atomizing surface.
  • the heating element is arranged on the mist.
  • the liquid conducting surface is close to the oil outlet, the e-liquid in the oil storage cavity enters the base from the liquid conducting surface, the base is provided with a through hole, and the through hole is The liquid guiding surface extends and penetrates to the atomization surface;
  • the liquid guide is arranged on the liquid guide surface and shields the oil outlet, and the e-liquid in the oil storage cavity passes through the liquid guide to the liquid guide surface.
  • a method for preparing a heating component includes:
  • the base After opening a plurality of through holes on the base, the base is cut to obtain a plurality of heating components, each of the heating components includes the heating element and the through holes.
  • An electronic cigarette includes the above heating component, the heating component prepared by the above heating component preparation method, or the above atomizer.
  • Fig. 1 is a partial view of an atomizer according to an embodiment
  • Fig. 2 is a top view of the heating component of the atomizer shown in Fig. 1;
  • Figure 3 shows the heating components to be cut arranged in an array on the substrate.
  • the atomizer 10 of an embodiment includes an oil storage cavity 110 and a heating component 120.
  • the oil storage cavity 110 is used for storing e-liquid, and has an oil outlet 111.
  • the heating component 120 is used to atomize the e-liquid, and the heating component 120 includes a base 121 and a heating element 123.
  • the base 121 is made of porous ceramics.
  • the base 121 has a liquid conducting surface 121a and an atomizing surface 121b opposite to the liquid conducting surface 121a, and the liquid conducting surface 121a is arranged close to the oil outlet 111.
  • the e-liquid in the oil storage cavity 110 enters the base 121 from the liquid conducting surface 121a and then flows to the atomizing surface 121b to be atomized.
  • the base 121 is provided with a through hole 121c, which extends from the liquid conducting surface 121a to the atomizing surface. 121b settings. In this embodiment, the through hole 121c is perpendicular to the liquid conducting surface 121a and the atomizing surface 121b.
  • the material of the substrate 121 is at least one of diatomaceous earth, quartz, alumina, silicon carbide, and cordierite.
  • the material of the base 121 is not limited to the above description, as long as it can be used as a material for preparing porous ceramics.
  • the porosity of the base 121 is 48% to 60%; the thickness of the base 121 is 1.5 mm to 3.0 mm.
  • the thickness of the base 121 is not limited to the above description, and can also be adjusted according to requirements.
  • the hole diameter of the through hole 121c is 0.1 mm to 0.8 mm. Furthermore, the hole diameter of the through hole 121c is 0.3 mm to 0.5 mm.
  • the aperture of the through hole 121c is set according to the above-mentioned setting to make the liquid flow smoothly without liquid leakage. If the aperture of the through hole 121c is too small, the ventilation effect is not obvious, and the liquid guiding effect is not obvious.
  • the number of through holes 121c is at least one.
  • the multiple through holes 121c are opened on the base 121 at intervals, and the multiple through holes 121c are all arranged along the flow direction of the e-liquid.
  • the number of through holes 121c is two. Setting the number of through holes 121c to two can make the overall downward flow rate of the e-liquid more uniform.
  • the shape of the through hole 121c is not particularly limited, as long as it penetrates the base 121.
  • the thickness of the base 121 is 1.5 mm to 3.0 mm
  • the aperture of the through hole 121 c is 0.1 mm to 0.8 mm
  • the number of through holes 121 c is two
  • the two through holes 121 c are opened on the base 121 at intervals .
  • the heating element 123 is arranged on the atomizing surface 121b and is used to provide a heat source to atomize the e-liquid.
  • the heating element 123 includes a heating circuit 123a and a contact electrode 123b.
  • the contact electrodes 123b are arranged at both ends of the heating circuit 123a, and are used to connect the power source and the heating circuit 123a.
  • the width of the heating circuit 123a is 0.3 mm to 0.5 mm, and the thickness is 40 ⁇ m to 80 ⁇ m.
  • the contact electrode 123b has a width of 1 mm to 2 mm, a thickness of 10 ⁇ m to 50 ⁇ m, and a length of 2 mm to 4 mm.
  • the contact electrodes 123b are strip-shaped, the number of the contact electrodes 123b is two, and the two contact electrodes 123b are arranged at intervals.
  • the heating circuit 123a is arranged in an S shape between the two contact electrodes 123b. Both ends of the heating circuit 123a are electrically connected to one end of the two contact electrodes 123b.
  • the through hole 121c is close to the connection point of the contact electrode 123b and the heating circuit 123a.
  • the contact electrode 123b is rectangular, and the two contact electrodes 123b are arranged in parallel and spaced apart; the heating circuit 123a is S-shaped and is located between the two contact electrodes 123b; and the two through holes 121c are arranged on the two contact electrodes. Inside 123b, and located on both sides of the heating circuit 123a.
  • the thickness, shape, and size of the contact electrode 123b are not limited to the above description, and the thickness, shape, and size of the heating circuit 123a are not limited to the above description, and can be adjusted according to actual needs.
  • the atomizer 10 further includes a liquid guide 130.
  • the liquid guide 130 is arranged on the liquid guide surface 121a and is used for absorbing e-liquid.
  • the liquid guide 130 is kept moist, so that the e-liquid continues to be atomized, so as to avoid the scorching phenomenon caused by too little e-liquid in the manner of direct contact between the e-liquid and the substrate 121.
  • the arrangement of the liquid guide 130 can also make it more difficult for the e-liquid to flow out directly from the through hole 121c without being atomized, thereby also improving the smoke.
  • the utilization rate of oil improves the safety of electronic cigarettes.
  • the liquid guide 130 is a liquid guide cotton; the thickness of the liquid guide 130 is 0.4 mm to 0.8 mm.
  • the liquid guiding member 130 is not limited to the liquid guiding cotton, and other materials with liquid guiding function commonly used in the art can also be used.
  • the thickness of the liquid guide 130 is not limited to the above description, and can also be adjusted according to actual needs.
  • the liquid guide 130 completely covers the liquid guide surface 121a.
  • the liquid guide 130 may cover a part of the liquid guide surface 121a, as long as the liquid guide 130 completely shields the through hole 121c.
  • the atomizer 10 further includes a seal 150.
  • the seal 150 is disposed between the cavity wall of the oil storage cavity 110 and the side wall of the base 121 to seal the gap between the oil storage cavity 110 and the base 121.
  • the sealing member 150 has a receiving cavity communicating with the oil storage cavity 110, the outer wall of the sealing member 150 is in sealed connection with the side wall of the oil storing cavity 110, and the base 121 is housed in the receiving cavity and is in sealed connection with the side wall of the receiving cavity.
  • the sealing member 150 is formed by connecting a hollow thick portion 151 and a hollow thin portion 153.
  • the thick portion 151 and the thin portion 153 have the same central axis. 121 abuts against the groove.
  • the thickness of the thick portion 151 is 1.3 mm to 1.5 mm
  • the thickness of the thin portion 153 is 0.4 mm to 0.8 mm.
  • the liquid guide 130 shields the oil outlet 111, the sidewall of the liquid guide 130 and a part of the surface close to the oil outlet 111 are connected to the seal 150, and the liquid guide 130 shields the through hole 121c.
  • the e-liquid in the oil storage chamber 110 flows out of the oil storage chamber 110 from the oil outlet 111, and then reaches the atomization surface 121b of the substrate 121 through the liquid guiding surface 121a of the substrate 121, and then on the substrate 121
  • the atomizing surface 121b is heated by the heating element 123 to be atomized, thereby forming smoke.
  • the above-mentioned atomizer 10 opens the base 121 with the through hole 121c in the same direction as the flow direction of the e-liquid, so that the oil storage cavity 110 is more easily communicated with the outside world and is not easy to form a negative pressure as the e-liquid is consumed, thereby making the oil storage cavity
  • the e-liquid in 110 can continue to reach the atomizing surface 121b of the base 121, so that the atomizer 10 is not prone to produce a burnt smell due to dry burning, which improves the user experience.
  • the electronic cigarette of an embodiment includes the above-mentioned atomizer 10 or the above-mentioned heating component 120.
  • the above-mentioned electronic cigarette includes the above-mentioned atomizer 10 or the above-mentioned heating component 120, and it is not easy to cause a burnt smell due to poor liquid conduction, which improves the user experience.
  • a method of manufacturing the heating element 120 includes the steps of opening a through hole 121 c on the base 121 and preparing the heating element 123. Specifically, the method includes step S110 to step S140.
  • Step S110 preparing the substrate 121.
  • the green body is shaped and then sintered to obtain the base 121.
  • the material of the base 121 is at least one of diatomaceous earth, quartz, alumina, silicon carbide, and cordierite.
  • the material of the base 121 is not limited to the above description, as long as the porous ceramic can be prepared.
  • the sintering temperature is 1000° C. to 1180° C.; the porosity of the matrix 121 is 48% to 60%.
  • the shape of the embryo body is a plate shape, and the thickness of the base body 121 is 1.5 mm to 3.0 mm.
  • the shape, thickness and size of the embryo body can be designed according to specific requirements.
  • the thickness of the substrate 121 should not be too thick, otherwise the amount of deformation during sintering will be large.
  • Step S120 preparing a heating element 123 on the base 121.
  • the step of preparing the heating element 123 on the base 121 includes preparing the heating circuit 123a and preparing the contact electrode 123b.
  • the step of preparing the heating element 123 on the substrate 121 includes: first using one surface of the substrate 121 as an atomizing surface 121b, forming a circuit pattern on the atomizing surface 121b by printing, and then sintering to obtain a heating circuit 123a; Next, an electrode pattern is formed by printing on the substrate 121 on which the heating circuit 123a is formed, wherein the electrode pattern is connected to the heating circuit 123a, and then sintered to obtain a contact electrode 123b. Further, in the step of preparing the heating circuit 123a, the sintering temperature is 950°C to 1100°C.
  • the sintering temperature is 950°C to 1100°C, and the sintering temperature in the step of preparing the contact electrode 123b is lower than the sintering temperature in the step of preparing the heating circuit 123a.
  • the step of preparing the heating element 123 on the base 121 includes: providing a first template, setting the first template on the atomizing surface 121b, and printing on the first template to form a plurality of elements on the atomizing surface 121b.
  • the circuit patterns are arranged at intervals (for example, in an array), and then sintered to obtain a plurality of heating circuits 123a; then a second template is provided, and the second template is set on the atomization surface 121b, and the second template is printed to make the atomization surface 121b
  • a plurality of electrode patterns are formed thereon, and each electrolytic pattern is connected to the two ends of the corresponding heating circuit 123a, and then sintered to form a plurality of heating elements 123 arranged at intervals.
  • the heating circuit 123a has a width of 0.3 mm to 0.5 mm and a thickness of 40 ⁇ m to 80 ⁇ m.
  • the contact electrode 123b has a width of 1 mm to 2 mm, a thickness of 10 ⁇ m to 50 ⁇ m, and a length of 2 mm to 4 mm.
  • the contact electrode 123b is rectangular, and the two contact electrodes 123b are arranged in parallel and spaced apart; the heating circuit 123a is S-shaped and is located between the two contact electrodes 123b.
  • the thickness, shape, and size of the contact electrode 123b are not limited to the above description, and the thickness, shape, and size of the heating circuit 123a are not limited to the above description, and can be adjusted according to actual needs.
  • the contact electrode 123b may be prepared first, and then the heating circuit 123a may be prepared.
  • the circuit pattern and the electrode pattern can also be prepared first, and then the circuit pattern and the electrode pattern are sintered simultaneously to obtain the heating element 123.
  • Step S130 opening a through hole 121c on the base 121.
  • each heating element 123 has two through holes 121c, and the two through holes 121c are arranged at intervals inside the two contact electrodes 123b and located on both sides of the heating circuit 123a.
  • the heating element 123 is prepared first, and then the through hole 121c is opened on the base 121.
  • the heating element 123 may be prepared after opening the through hole 121c on the base 121 first.
  • Step S140 cutting to obtain the heating component 120.
  • a laser is used to cut a plurality of base bodies 121 with heating elements 123 to obtain a plurality of heating components 120.
  • Each heating element 122 has a heating element 123 and a corresponding through hole 121c.
  • the laser power is 500W to 1000W.
  • the cutting edge can be sintered by the energy of the laser to prevent powder from falling off the edge after cutting.
  • other cutting methods commonly used in the art can also be used to cut the base 121 with multiple heating elements 123.
  • the manufacturing method of the heating element 120 described above is to prepare the base 121 first, then prepare a plurality of heating elements 123 and the openings 121c on the base 121, and finally cut to obtain a plurality of heating elements 120, which improves the production efficiency.
  • the preparation method of the heating component 120 described above since the dimensional change of the base 121 before and after sintering can be determined, that is, the thickness of the base 121 after sintering is a fixed value, which avoids the size of the base 121 when the base 121 and the heating circuit 123a are sintered at the same time. It deforms simultaneously with the heating circuit 123a.
  • the above-mentioned preparation method of the heating element 120 also avoids the large difference between the actual size and the designed size caused by the sintering of the base 121, the heating circuit 123a and the contact electrode 123b, and can precisely control the size of each heating element.

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Abstract

一种发热组件（120）、雾化器（10）及电子烟，发热组件（120）用于雾化烟油，包括基体（121），基体（121）为多孔陶瓷，基体（121）具有导液面（121a）和雾化面（121b），烟油由导液面（121a）进入基体（121），基体（121）上开设有通孔（121c），通孔（121c）自导液面（121a）延伸贯穿至雾化面（121b）设置。发热组件（120）通过在基体（121）上开设通孔（121c），使其作为雾化器（10）的发热部件时，储油腔（110）不容易随着烟油的消耗而形成负压，储油腔（110）中的烟油能持续到达基体（121）的雾化面（121b），使得雾化器（10）不容易因干烧而产生焦味，改善用户体验。

Description

发热组件、雾化器及电子烟 技术领域
本发明涉及烟具技术领域，特别是涉及一种发热组件、雾化器及电子烟。
背景技术
电子烟是一种模仿卷烟的电子产品，其主要通过雾化等手段将烟油变为蒸汽后，供用户吸食。
目前的电子烟主要由雾化器和电池两部分组成。雾化器是将烟油雾化成烟雾的部件，雾化器包括储存烟油的储油腔和将烟油雾化成烟雾的发热组件，但随着烟油的消耗，雾化器容易导液不畅而出现焦味，给用户带来不好的抽吸体验。
发明内容
基于此，有必要提供一种导液顺畅的雾化器。
此外，还提供一种能够使雾化器导液顺畅的发热组件和一种不容易出现焦味的电子烟。
一种发热组件，用于雾化烟油，包括基体，所述基体为多孔陶瓷，所述基体具有导液面，所述烟油由所述导液面进入所述基体，所述基体上开设有通孔，所述通孔沿所述烟油的流动方向设置。
一种雾化器，包括：
储油腔，用于储存烟油，所述储油腔具有出油口；
发热组件，用于雾化所述烟油，所述发热组件包括基体和发热件，所述基体为多孔陶瓷，所述基体具有导液面及雾化面，所述发热件设于所述雾化面上，所述导液面靠近所述出油口，所述储油腔的烟油由所述导液面进入所述基体，所述基体上开设有通孔，所述通孔自所述导液面延伸贯穿至所述雾化面设置；
导液件，设于所述导液面上并遮蔽所述出油口，所述储油腔中的烟油经所述导液件至所述导液面。
一种发热组件的制备方法，包括：
制备板状的基体，所述基体为多孔陶瓷；
在所述基体上制备多个间隔设置的发热件；及
在所述基体上开设多个通孔后，切割所述基体，得到多个发热组件，每个所述发热组件包括所述发热件和所述通孔。
一种电子烟，包括上述发热组件、上述发热组件的制备方法制备的发热组件或上述雾化器。
附图说明
图1为一实施方式的雾化器的局部图；
图2为图1所示的雾化器的发热组件的俯视图；
图3为在基体上呈阵列分布、待切割的发热组件。
具体实施方式
为了便于理解本发明，下面将参照相关附图对本发明进行更全面的描述。附图中给出了本发明的部分实施例。但是，本发明可以以许多不同的形式来实现，并不限于本文所描述的实施例。相反地，提供这些实施例的目的是使本发 明公开内容更加透彻全面。
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。
请参阅图1和图2，一实施方式的雾化器10包括储油腔110和发热组件120。
储油腔110用于储存烟油，具有出油口111。
发热组件120用于雾化烟油，发热组件120包括基体121和发热件123。基体121为多孔陶瓷，基体121具有导液面121a和与导液面121a相对的雾化面121b，导液面121a靠近出油口111设置。储油腔110的烟油由导液面121a进入基体121后流向雾化面121b，从而被雾化，基体121上开设有通孔121c，通孔121c自导液面121a延伸贯穿至雾化面121b设置。本实施方式中，通孔121c垂直于导液面121a及雾化面121b。
具体地，基体121的材料为硅藻土、石英、氧化铝、碳化硅及堇青石中至少的一种。当然，在其他一些实施例中，基体121的材料不限于上述描述，只要能够作为制备多孔陶瓷的材料即可。基体121的孔隙率为48％～60％；基体121的厚度为1.5mm～3.0mm。当然，基体121的厚度不限于上述描述，还可以根据需求调整。
进一步地，通孔121c的孔径为0.1mm～0.8mm。更进一步地，通孔121c的孔径为0.3mm～0.5mm。通孔121c的孔径按照上述设置能够使得下液顺畅并且不会出现漏液现象。若通孔121c的孔径过小，换气效果不明显，导液效果不明显。
具体地，通孔121c的数量至少为一个。在通孔121c的数量为多个时，多个通孔121c间隔地开设在基体121上，多个通孔121c均沿烟油的流动方向设置。 进一步地，通孔121c的数量为两个。将通孔121c的数量设为两个能够使得烟油整体下流速度更为均匀。当然，通孔121c的形状无特别限制，只要贯穿基体121即可。
在其中一个实施例中，基体121的厚度为1.5mm～3.0mm，通孔121c的孔径为0.1mm～0.8mm，通孔121c的数量为两个，两个通孔121c间隔开设在基体121上。
发热件123设置在雾化面121b上，用于提供热源以雾化烟油。具体地，发热件123包括发热电路123a和接触电极123b。接触电极123b设于发热电路123a的两端，用于连接电源和发热电路123a。进一步地，发热电路123a的宽度为0.3mm～0.5mm，厚度为40μm～80μm。接触电极123b的宽度为1mm～2mm，厚度为10μm～50μm，长度为2mm～4mm。
在其中一个实施例中，接触电极123b为条状，接触电极123b的数量为两个，两个接触电极123b间隔设置。发热电路123a呈S形地设置于两个接触电极123b之间，发热电路123a的两端分别与两个接触电极123b的一端电连接，通孔121c靠近接触电极123b与发热电路123a的连接处。
在图示的实施方式中，接触电极123b呈矩形，两个接触电极123b平行间隔设置；发热电路123a为S形，位于两个接触电极123b之间；两个通孔121c设置于两个接触电极123b的内侧，且位于发热电路123a两侧。当然，在其他一些实施例中，接触电极123b的厚度、形状和大小不限于上述描述，发热电路123a的厚度、形状和大小也不限于上述描述，均可以根据实际需求进行调整。
在其中一个实施例中，雾化器10还包括导液件130。导液件130设于导液面121a上，用于吸收烟油。通常地，导液件130保持湿润，以使烟油持续雾化，从而避免烟油与基体121直接接触方式下因烟油过少而导致的烧焦现象。此外， 在通孔121c的孔径较大而更不易导液不畅时，导液件130的设置还能够使得烟油更不容易不经雾化而直接从通孔121c中流出，从而也提高烟油的利用率，提高电子烟的安全性。进一步地，导液件130为导液棉；导液件130的厚度为0.4mm～0.8mm。当然，在其他一些实施例中，导液件130不限于导液棉，还可以使用本领域常用的其他具有导液功能的材料。导液件130的厚度也不限于以上描述，还可以根据实际需求进行调整。
在图示的实施方式中，导液件130完全覆盖于导液面121a。当然，在其他一些实施方式中，导液件130可以覆盖部分导液面121a，只要导液件130将通孔121c完全遮蔽即可。
在其中一个实施例中，雾化器10还包括密封件150。密封件150设置在储油腔110的腔壁与基体121的侧壁之间，以密封储油腔110与基体121之间的间隙。具体地，密封件150具有与储油腔110连通的容纳腔，密封件150的外壁与储油腔110的侧壁密封连接，基体121收容在容纳腔内并与容纳腔的侧壁密封连接。进一步地，密封件150由中空厚部151和中空的薄部153连接而成，厚部151和薄部153具有相同的中心轴，厚部151和薄部153的连接处形成有凹槽，基体121与凹槽抵接。更进一步地，厚部151的厚度为1.3mm～1.5mm，薄部153的厚度为0.4mm～0.8mm。
在图示的实施方式中，导液件130遮蔽出油口111，导液件130的侧壁和部分靠近出油口111的表面与密封件150相接，导液件130遮蔽通孔121c。
上述雾化器10在使用时，储油腔110中的烟油从出油口111流出储油腔110，然后经基体121的导液面121a到达基体121的雾化面121b，接着在基体121的雾化面121b上经发热件123加热而被雾化，从而形成烟雾。上述雾化器10通过在基体121上开设与烟油流动方向相同的通孔121c，使得储油腔110更易与 外界连通而不容易随着烟油的消耗而形成负压，进而使得储油腔110中的烟油能持续到达基体121的雾化面121b，使得雾化器10不容易因干烧而产生焦味，改善用户体验。
一实施方式的电子烟，包括上述雾化器10或上述发热组件120。
上述电子烟包括上述雾化器10或上述发热组件120，不容易因导液不顺畅而出现焦味，改善用户体验。
请参阅图2～图3，一实施方式的发热组件120的制备方法，包括在基体121上开设通孔121c和制备发热件123的步骤。具体地，该方法包括步骤S110～步骤S140。
步骤S110、制备基体121。
具体地，将胚体定形之后进行烧结，得到基体121。基体121的材料为硅藻土、石英、氧化铝、碳化硅及堇青石中至少的一种。当然，在其他一些实施例中，基体121的材料不限于上述描述，只要能够制备多孔陶瓷即可。进一步地，烧结的温度为1000℃～1180℃；基体121的孔隙率为48％～60％。
在本实施方式中，胚体的形状为板状，基体121的厚度为1.5mm～3.0mm。当然，在其他一些实施例中，胚体的形状、厚度和大小可以根据具体需求进行设计。当然，在采用阵列方式制备多个基体121时，基体121的厚度不宜过厚，否则烧结中变形量大。
步骤S120、在基体121上制备发热件123。
具体地，在基体121上制备发热件123的步骤包括制备发热电路123a和制备接触电极123b。
在其中一个实施例中，在基体121上制备发热件123的步骤包括：先将基体121的一个表面作为雾化面121b，在雾化面121b上通过印刷形成电路图案， 然后烧结，得到发热电路123a；接着在形成有发热电路123a的基体121上通过印刷形成电极图案，其中电极图案与发热电路123a连接，然后烧结，得到接触电极123b。进一步地，在制备发热电路123a的步骤中，烧结的温度为950℃～1100℃。在制备接触电极123b的步骤中，烧结的温度为950℃～1100℃，制备接触电极123b的步骤中的烧结温度小于制备发热电路123a的步骤中的烧结温度。
在本实施方式中，在基体121上制备发热件123的步骤包括：提供第一模板，将第一模板设置在雾化面121b上，在第一模板上印刷使雾化面121b上形成多个间隔设置(例如阵列分布)的电路图案，然后烧结，得到多个发热电路123a；接着提供第二模板，将第二模板设置在雾化面121b上，在第二模板上印刷使雾化面121b上形成多个电极图案，每个电解图案均与相应的发热电路123a的两端连接，然后烧结，形成多个间隔设置的发热件123。
在其中一个实施例中，发热电路123a的宽度为0.3mm～0.5mm，厚度为40μm～80μm。接触电极123b的宽度为1mm～2mm，厚度为10μm～50μm，长度为2mm～4mm。
在图示的实施方式中，接触电极123b为矩形，两个接触电极123b平行间隔设置；发热电路123a为S形，位于两个接触电极123b之间。当然，在其他一些实施例中，接触电极123b的厚度、形状和大小不限于上述描述，发热电路123a的厚度、形状和大小也不限于上述描述，均可以根据实际需求进行调整。
当然，制备发热电路123a的步骤与制备接触电极123b的步骤没有严格的先后顺序，在其他一些实施方式中，也可以先制备接触电极123b，然后再制备发热电路123a。当然，在其他一些实施方式中，还可以先制备得到电路图案和电极图案，然后将电路图案和电极图案同步烧结，得到发热件123。
步骤S130、在基体121上开设通孔121c。
具体地，采用激光在基体121上开设通孔121c。进一步地，通孔121c的孔径为0.1mm～0.8mm。更进一步地，通孔121c的孔径为0.3mm～0.5mm。当然，其他一些实施例中，也可以采用本领域其他常用的方式开设通孔121c，通孔121c的延长方向与烟油的流动方向相同。在图示的实施方式中，每个发热件123具有两个通孔121c，两个通孔121c间隔设置于两个接触电极123b的内侧，且位于发热电路123a两侧。
在本实施方式中，先制备得到发热件123之后在基体121上开设通孔121c。当然，在其他实施方式中，也可以先在基体121上开设通孔121c之后制备发热件123。
步骤S140、切割，得到发热组件120。
具体地，采用激光切割具多个有发热件123的基体121，得到多个发热组件120。每个发热组件122均有发热件123和对应的通孔121c。在本实施方式中，激光功率为500W～1000W。通过激光切割可以通过激光的能量对切割边缘进行烧结，防止切割后边缘掉粉。当然，在其他实施例中，也可以采用本领域常用的其他切割方式对具有多个有发热件123的基体121进行切割。
上述发热组件120的制备方法通过先制备基体121，然后在基体121上制备多个发热件123和开通孔121c，最后切割，得到多个发热组件120，提高了生产效率。此外，上述发热组件120的制备方法中，由于基体121烧结前后的尺寸变化量可以确定，即烧结后的基体121的厚度是定值，避免了基体121与发热电路123a同时烧结时基体121的尺寸与发热电路123a同时变形。此外，后续烧结发热电路123a时，发热电路123a变形量也非常小。因此，上述发热组件120的制备方法也避免了基体121与发热电路123a、接触电极123b一起烧结所 带来的实际尺寸与设计尺寸相差大的问题，可精准的控制每个发热件的尺寸。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (20)

  1. 一种发热组件，用于雾化烟油，其特征在于，包括基体，所述基体为多孔陶瓷，所述基体具有导液面及雾化面，所述烟油由所述导液面进入所述基体，所述基体上开设有通孔，所述通孔自所述导液面延伸贯穿至雾化面设置。
  2. 根据权利要求1所述的发热组件，其特征在于，所述通孔的孔径为0.1mm～0.8mm。
  3. 根据权利要求1～2任一项所述的发热组件，其特征在于，所述通孔的数量为多个，多个所述通孔间隔地开设在所述基体上。
  4. 根据权利要求3所述的发热组件，其特征在于，所述通孔的数量为两个。
  5. 根据权利要求1所述的发热组件，其特征在于，所述导液面与所述雾化面相对，所述发热组件还包括发热件，所述发热件设于所述雾化面上，所述发热件包括接触电极和与所述接触电极电连接的发热电路，所述通孔靠近所述接触电极与所述发热电路的连接处。
  6. 根据权利要求5所述的发热组件，其特征在于，所述接触电极为条状，所述接触电极的数量为两个，两个所述接触电极平行间隔设置，所述发热电路呈S形，所述发热电路设置于两个所述接触电极之间，所述发热电路的两端分别与两个所述接触电极电连接。
  7. 根据权利要求5所述的发热组件，其特征在于，所述接触电极的宽度为1mm～2mm，所述接触电极的厚度为10μm～50μm。
  8. 根据权利要求5所述的发热组件，其特征在于，所述发热电路的宽度为0.3mm～0.5mm，所述发热电路的厚度为40μm～80μm。
  9. 根据权利要求5所述的发热组件，其特征在于，所述基体的厚度为1.5mm～3.0mm。
  10. 根据权利要求5所述的发热组件，其特征在于，所述基体的孔隙率为48％～60％。
  11. 一种雾化器，其特征在于，包括：
    储油腔，用于储存烟油，所述储油腔具有出油口；
    发热组件，用于雾化所述烟油，所述发热组件包括基体和发热件，所述基体为多孔陶瓷，所述基体具有导液面及雾化面，所述发热件设于所述雾化面上，所述导液面靠近所述出油口，所述储油腔的烟油由所述导液面进入所述基体，所述基体上开设有通孔，所述通孔自所述导液面延伸贯穿至所述雾化面设置；
    导液件，设于所述导液面上并遮蔽所述出油口，所述储油腔中的烟油经所述导液件至所述导液面。
  12. 根据权利要求11所述的雾化器，其特征在于，所述通孔的孔径为0.1mm～0.8mm。
  13. 根据权利要求11所述的雾化器，其特征在于，所述通孔的数量为多个，多个通孔间隔设置。
  14. 根据权利要求13所述的雾化器，其特征在于，所述通孔的数量为两个。
  15. 根据权利要求11～14任一项所述的雾化器，其特征在于，所述导液件为导液棉。
  16. 根据权利要求15所述的雾化器，其特征在于，所述雾化器还包括密封件，所述密封件设置在所述储油腔的腔壁与所述基体的侧壁之间，以密封所述储油腔与所述基体之间的间隙。
  17. 根据权利要求11所述的雾化器，其特征在于，所述基体的厚度为1.5mm～3.0mm。
  18. 一种发热组件的制备方法，其特征在于，包括：
    制备板状的基体，所述基体为多孔陶瓷；
    在所述基体上制备多个间隔设置的发热件；及
    在所述基体上开设多个通孔后，切割所述基体，得到多个发热组件，每个所述发热组件包括所述发热件和所述通孔。
  19. 根据权利要求18所述的发热组件的制备方法，其特征在于，所述切割为激光切割。
  20. 一种电子烟，其特征在于，包括权利要求1～10任一项所述的发热组件、权利要求18～19任一项所述的发热组件的制备方法制备的发热组件或权利要求11～17任一项所述的雾化器。
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WO2022179644A3 (zh) * 2021-12-30 2022-10-13 深圳麦克韦尔科技有限公司 发热组件、雾化器及电子雾化装置
CN114778422A (zh) * 2022-04-19 2022-07-22 北京理工大学 一种基于微液滴操控技术的自动化细胞分选系统及其方法
CN114778422B (zh) * 2022-04-19 2023-09-08 北京理工大学 一种基于微液滴操控技术的自动化细胞分选系统及其方法

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