WO2022252958A1 - Dispositif d'atomisation électronique, et atomiseur et ensemble d'atomisation associés - Google Patents

Dispositif d'atomisation électronique, et atomiseur et ensemble d'atomisation associés Download PDF

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Publication number
WO2022252958A1
WO2022252958A1 PCT/CN2022/092550 CN2022092550W WO2022252958A1 WO 2022252958 A1 WO2022252958 A1 WO 2022252958A1 CN 2022092550 W CN2022092550 W CN 2022092550W WO 2022252958 A1 WO2022252958 A1 WO 2022252958A1
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WO
WIPO (PCT)
Prior art keywords
hole
cross
atomization assembly
atomization
assembly according
Prior art date
Application number
PCT/CN2022/092550
Other languages
English (en)
Chinese (zh)
Inventor
李波
陈枫
龙继才
陈兵
周宏明
Original Assignee
深圳麦克韦尔科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 深圳麦克韦尔科技有限公司 filed Critical 深圳麦克韦尔科技有限公司
Publication of WO2022252958A1 publication Critical patent/WO2022252958A1/fr

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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
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures

Definitions

  • the present invention relates to the field of atomization, and more specifically, relates to an electronic atomization device, an atomizer, and an atomization assembly.
  • the porous matrix used in the atomization components of the electronic atomization device is mainly divided into two types.
  • One is the pore structure formed by the decomposition of the pore-forming agent in the matrix after high temperature treatment. and the uniformity and poor consistency of pore size distribution; the other is the honeycomb pore structure formed by molding process or mechanical pore making, etc.
  • the honeycomb pore structure is mostly straight-through holes with a single pore size distribution.
  • the through-holes are easy to
  • the pore structure also has problems such as difficult processing technology and difficult realization of small pore size (less than 20 ⁇ m).
  • the technical problem to be solved by the present invention is to provide an improved atomization assembly, an atomizer and an electronic atomization device having the atomization assembly for the above-mentioned defects of the prior art.
  • the technical solution adopted by the present invention to solve the technical problem is: to construct an atomization assembly, including a porous substrate, the porous substrate has a first surface and a second surface opposite to the first surface, the porous substrate There are a plurality of liquid guide holes extending from the first surface to the second surface, and the cross-sectional dimensions of the two axial ends of the liquid guide holes are smaller than the cross-sectional dimensions of the middle of the liquid guide hole.
  • the direction of the axis of the liquid guide hole is perpendicular to the first surface.
  • the cross-sectional size of the liquid guiding hole first gradually increases and then gradually decreases from the first surface to the second surface.
  • the cross-sectional dimension of the liquid guide hole on the first surface is smaller than the cross-sectional dimension on the second surface.
  • the liquid guide hole includes a first hole segment, a second hole segment, and a third hole segment sequentially connected from the first surface to the second surface;
  • the cross-sectional size of the second hole segment facing the first surface is greater than or equal to the maximum cross-sectional size of the first hole segment, and the cross-sectional size of the second hole segment facing the second face is greater than or equal to the maximum cross-sectional dimension of the third hole segment.
  • the first hole segment, the second hole segment, and the third hole segment are all through holes.
  • the cross-sectional size of the second hole segment is larger than the cross-sectional size of the third hole segment, and the cross-sectional size of the third hole segment is larger than the cross-sectional size of the first hole segment.
  • the first hole segment is a through hole, or the cross-sectional dimension of the first hole segment gradually increases from the first surface to the second surface.
  • the second hole section is a straight through hole, or the cross-sectional dimension of the second hole section gradually increases from the first surface to the second surface, and then gradually decreases. .
  • the third hole section is a through hole, or the cross-sectional dimension of the third hole section gradually decreases from the first surface to the second surface.
  • the cross-sectional size of the first hole segment is 10-30 ⁇ m
  • the cross-sectional size of the second hole segment is 20-200 ⁇ m
  • the cross-sectional size of the third hole segment is 10-100 ⁇ m .
  • the porous matrix is made of at least one of porous alumina ceramics, porous silicon oxide, porous cordierite, porous silicon carbide, porous silicon nitride, porous mullite, and composite porous ceramics.
  • the porous matrix is formed by tape casting and then punched or laser-punched; or, the porous matrix is formed by 3D printing.
  • the atomization component further includes a heating track disposed on the first surface of the porous substrate.
  • the plurality of liquid guide holes are distributed around the heating track.
  • the plurality of liquid guide holes are evenly spaced along the periphery of the heating track.
  • the heating track is a heating film, heating wire or heating mesh.
  • the atomization assembly further includes two electrode parts respectively connected to two ends of the heating track.
  • the present invention also provides an atomizer, comprising a liquid storage chamber for storing liquid medium and the atomization assembly according to any one of the above, the atomization assembly is connected to the liquid storage chamber via the second surface Fluid communication.
  • the present invention also provides an electronic atomization device, comprising the above-mentioned atomizer and a power supply device electrically connected to the atomizer.
  • the cross-sectional size of the axial ends of the liquid guide hole is smaller than the cross-sectional size of the middle, thereby forming a pore structure with small holes at both ends and a large hole in the middle.
  • the large hole in the middle can increase the liquid storage capacity, and the small hole at the end can effectively lock the liquid to prevent leakage.
  • Fig. 1 is a schematic diagram of the three-dimensional structure of the atomization assembly in the first embodiment of the present invention
  • Fig. 2 is a schematic cross-sectional structure diagram of the atomization assembly shown in Fig. 1;
  • Fig. 3 is a schematic cross-sectional structure diagram of the atomization assembly in the second embodiment of the present invention.
  • Fig. 4 is a schematic cross-sectional structure diagram of an atomization assembly in a third embodiment of the present invention.
  • Fig. 5 is a schematic cross-sectional structure diagram of an atomization assembly in a fourth embodiment of the present invention.
  • Fig. 6 is a schematic diagram of the three-dimensional structure of the electronic atomization device in some embodiments of the present invention.
  • the atomization assembly 1 may include a porous substrate 11 for absorbing a liquid medium from the liquid storage chamber of the atomizer and a porous substrate arranged on the porous substrate.
  • 11 is a heating element 12 for heating and atomizing the liquid medium adsorbed into the porous matrix 11 .
  • the porous matrix 11 has a first surface 111 and a second surface 112 opposite to the first surface 111 .
  • the first surface 111 is an atomizing surface for installing the heating element 12
  • the second surface 112 is a liquid-absorbing surface for communicating with the liquid storage cavity.
  • the porous matrix 11 is in the shape of a cuboid
  • the first surface 111 and the second surface 112 are rectangular
  • the first surface 111 is parallel to the second surface 112 .
  • the cross-sectional shape of the porous matrix 11 can also be square, rhombus, trapezoid, circle, ellipse and other shapes.
  • the heating element 12 can be a heating film, which can be formed by silk screen printing, vacuum coating, etc.; or, the heating element 12 can also be a heating wire or a heating net, which can be arranged on the porous substrate 11 by embedding or the like.
  • the heating body 12 may include a heating track 121 and two electrode parts 122 respectively connected to two ends of the heating track 121 .
  • the electrode part 122 may be a pad for connecting with an electrode lead.
  • the two electrode parts 122 can be respectively located at two ends of the first surface 111 in the longitudinal direction.
  • the heating track 121 is used to heat and atomize the liquid medium after being energized to generate heat, and it can be roughly S-shaped. It can be understood that the pattern shape of the heating track 121 is not limited to the S shape, and it can also be other shapes.
  • a plurality of liquid guide holes 110 extending from the first surface 111 to the second surface 112 are opened on the porous base 11 .
  • the liquid guide hole 110 may be a cylindrical through hole with a circular cross section, and the axis direction of the liquid guide hole 110 is perpendicular to the first surface 111 .
  • the pore diameters at both axial ends of the liquid guide hole 110 are smaller than the pore diameter in the middle, thereby forming a pore structure with small ends and a large middle. This structure can not only ensure that the porous matrix 11 supplies sufficient liquid medium to the heating element 12, but also the large middle pore diameter can increase the liquid storage capacity, which is beneficial to the rapid liquid supply to the heating element 12, and the small end pore diameter can effectively lock the liquid and prevent leakage. liquid.
  • the cross-section of the liquid guide hole 110 can also be in other shapes such as ellipse, square, rectangle, rhombus, trapezoid, etc.
  • the cross-sectional size of the two axial ends of the liquid guide hole 110 is smaller than that of The cross-sectional dimensions of the section.
  • the plurality of liquid guiding holes 110 may be distributed around the heating track 121 and evenly spaced along the heating track 121 . Evenly arranging a plurality of liquid guiding holes 110 only around the heating track 121 can ensure that the heating track 121 is within the range of a uniform oil film, and there are no liquid guiding holes 110 distributed away from the surrounding area of the heating track 121, thereby reducing The heat loss caused by the accumulation of the liquid medium in the position increases the thermal efficiency of the heating element 12 .
  • the liquid guide hole 110 is a stepped hole, which may include a first hole segment 1101 , a second hole segment 1102 , and a third hole segment 1103 sequentially connected from the first surface 111 to the second surface 112 .
  • the first hole section 1101 , the second hole section 1102 , and the third hole section 1103 are all through holes, and the diameter of the second hole section 1102 is larger than that of the first hole section 1101 and the third hole section 1103 .
  • the diameters of the first hole section 1101 and the third hole section 1103 may be equal or different.
  • the diameter of the second hole section 1102 is larger than that of the third hole section 1103
  • the diameter of the third hole section 1103 is larger than that of the first hole section 1101 .
  • the liquid medium in the liquid storage chamber enters the porous matrix 11 through the third hole section 1103 and is stored in the second hole section 1102, and then guides the liquid to the first surface 111 through the first hole section 1101, that is, the atomization surface.
  • the above-mentioned pore structure can ensure the stability of the liquid storage in the porous matrix 11 , thereby making the overall liquid supply stable and the atomization smooth.
  • the pore diameter of the first hole section 1101 may range from 10-30 ⁇ m
  • the pore diameter of the second hole section 1102 may range from 20-200 ⁇ m
  • the pore diameter of the third hole section 1103 may range from 10-100 ⁇ m.
  • the porous matrix 11 can be formed by tape casting and then mechanical punching or laser drilling.
  • a single-layer raw film belt can be tape-cast first, and the thickness of the raw film belt can be adjusted, such as 10-1000 ⁇ m; then, the raw film belt is punched by mechanical punching or laser drilling, and the thickness of the raw film belt is adjusted according to the liquid guide hole
  • the gradient requirement of 110 can pre-fabricate holes with different pore diameters; finally, multi-layer lamination is carried out to form a liquid guide hole 110 with small ends and a large middle.
  • the porous matrix 11 can also be formed by 3D printing. According to the different porosity and pore diameter requirements of the porous matrix 11, the parameters of the pore-forming process can be artificially controlled to form uniformly distributed target pore diameters and porosity.
  • the use of mechanical punching, laser drilling or 3D printing and other green body prefabrication processes can facilitate the manual regulation of the porosity and pore diameter of the porous substrate 11, and can make the distribution of the liquid guide holes 110 more uniform, which is convenient for the atomization of the electronic atomization device. A more stable and consistent atomization effect can be obtained at the same time, and the taste consistency can be improved.
  • the porous matrix 11 can be made of at least one of porous alumina ceramics, porous silicon oxide, porous cordierite, porous silicon carbide, porous silicon nitride, porous mullite, and composite porous ceramics, or it can also be made of other Made of materials suitable for tape casting or 3D printing. It can be understood that the forming process of the porous matrix 11 is not limited to the above two methods, and it can also be formed by other forming processes.
  • Fig. 3 shows the atomization assembly 1 in the second embodiment of the present invention
  • the aperture of the liquid guide hole 110 is from the first surface 111 to the second surface
  • the direction of 112 first gradually increases and then gradually decreases, so that the liquid guide hole 110 is roughly drum-shaped.
  • the diameters of the liquid guiding holes 110 at the first surface 111 and the second surface 112 may be equal or different.
  • the aperture diameter of the liquid guide hole 110 on the first surface 111 is smaller than the aperture diameter on the second surface 112 .
  • Fig. 4 shows the atomization assembly 1 in the third embodiment of the present invention
  • the main difference between it and the first embodiment is that in this embodiment, the diameter of the first hole section 1101 of the liquid guiding hole 110 is changed from the first The direction from the surface 111 to the second surface 112 gradually increases; the second hole section 1102 is a straight through hole, and its aperture can be greater than or equal to the maximum aperture of the first hole section 1101; the aperture of the third hole section 1103 is from the first surface 111 to The direction of the second surface 112 gradually decreases, and the maximum diameter of the third hole section 1103 is smaller than or equal to the diameter of the second hole section 1102 .
  • the diameter of the liquid guide hole 110 on the first surface 111 may be smaller than that on the second surface 112 .
  • FIG. 5 shows the atomization assembly 1 in the fourth embodiment of the present invention.
  • the first hole segment 1101 and the third hole segment of the liquid guide hole 110 are 1103 is a straight through hole
  • the aperture of the first hole section 1101 may be smaller than the aperture of the third hole section 1103
  • the second hole section 1102 is roughly drum-shaped, and its aperture gradually increases from the first surface 111 to the second surface 112 , then gradually decrease, the aperture of the second hole section 1102 towards the first surface 111 is greater than or equal to the aperture of the first hole section 1101, and the aperture of the second hole section 1102 towards the second surface 112 is greater than or equal to the third hole section 1103 aperture.
  • FIG. 6 shows an electronic atomization device in some embodiments of the present invention, which may be roughly in the shape of a square column and includes an atomizer 100 and a power supply device 200 electrically connected to the atomizer 100 .
  • the atomizer 100 may include a housing 2 and an atomizing assembly 1 disposed in the housing 2 , and a liquid storage chamber for storing liquid medium is formed in the housing 2 .
  • the power supply device 200 may include a bracket 4 and a battery, a circuit board, and an airflow sensor disposed in the bracket 4 .
  • the atomizer 100 and the power supply device 200 can be connected together in detachable ways such as magnetic attraction and screw connection.
  • the power supply device 200 supplies power to the heating element 12 in the atomizer 100. After heating, the heating element 12 heats and atomizes the liquid medium adsorbed in the porous matrix 11 for users to inhale.

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Abstract

L'invention concerne un dispositif d'atomisation électronique, et un atomiseur (100) et un ensemble d'atomisation (1) associés, l'ensemble d'atomisation (1) comprenant une matrice perforée (11), la matrice perforée (11) étant pourvue d'une première surface (111) et d'une seconde surface (112) qui est disposée à l'opposé de la première surface (111) ; et la matrice perforée (11) est pourvue d'une pluralité de trous de guidage de liquide (110) qui s'étendent de la première surface (111) à la seconde surface (112). La dimension de section transversale de deux extrémités axiales de chaque trou de guidage de liquide (110) est inférieure à la dimension de section transversale de la partie médiane de ceux-ci, ce qui permet de former une structure poreuse ayant de petits trous au niveau des deux extrémités et de grands trous dans le milieu. La structure décrite facilite l'alimentation en liquide de la matrice perforée (11) vers un élément chauffant (12), et les grands trous au milieu de la structure peuvent également augmenter la quantité de stockage de liquide, et les petits trous aux extrémités peuvent bloquer efficacement un liquide, empêchant une fuite de liquide.
PCT/CN2022/092550 2021-06-04 2022-05-12 Dispositif d'atomisation électronique, et atomiseur et ensemble d'atomisation associés WO2022252958A1 (fr)

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Application Number Priority Date Filing Date Title
CN202110626065.7A CN113331484A (zh) 2021-06-04 2021-06-04 电子雾化装置及其雾化器和雾化组件
CN202110626065.7 2021-06-04

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Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
CN114568752A (zh) * 2022-01-23 2022-06-03 深圳麦克韦尔科技有限公司 电子雾化装置、雾化器及其雾化芯
CN217509914U (zh) * 2022-04-06 2022-09-30 海南摩尔兄弟科技有限公司 雾化芯及电子雾化装置
CN221265251U (zh) * 2022-05-13 2024-07-05 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
CN118021009A (zh) * 2022-11-02 2024-05-14 思摩尔国际控股有限公司 发热体、雾化器及电子雾化装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19833162A1 (de) * 1998-07-23 2000-01-27 Heinz Poth Flüssigkeitsmatratze
US20070107879A1 (en) * 2005-11-15 2007-05-17 Drager Medical Ag & Co., Kg Liquid evaporator
CN101991488A (zh) * 2009-08-04 2011-03-30 屈德加薄膜产品股份有限公司 用于传输动态沉积和静态保留的流体的三维多孔薄膜
CN109363248A (zh) * 2018-11-29 2019-02-22 深圳麦克韦尔股份有限公司 电子烟及其雾化装置和多层结构定向导液雾化芯
CN209498589U (zh) * 2019-01-05 2019-10-18 深圳市合元科技有限公司 雾化芯及电子烟
CN113475770A (zh) * 2021-08-05 2021-10-08 深圳市基克纳科技有限公司 一种雾化器导液装置
CN215381467U (zh) * 2021-06-25 2022-01-04 比亚迪精密制造有限公司 雾化芯及其电子烟
CN215684863U (zh) * 2021-06-04 2022-02-01 深圳麦克韦尔科技有限公司 电子雾化装置及其雾化器和雾化组件
CN216088843U (zh) * 2021-06-15 2022-03-22 深圳哈珀生物科技有限公司 一种电子雾化装置及其雾化器、雾化芯

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19833162A1 (de) * 1998-07-23 2000-01-27 Heinz Poth Flüssigkeitsmatratze
US20070107879A1 (en) * 2005-11-15 2007-05-17 Drager Medical Ag & Co., Kg Liquid evaporator
CN101991488A (zh) * 2009-08-04 2011-03-30 屈德加薄膜产品股份有限公司 用于传输动态沉积和静态保留的流体的三维多孔薄膜
CN109363248A (zh) * 2018-11-29 2019-02-22 深圳麦克韦尔股份有限公司 电子烟及其雾化装置和多层结构定向导液雾化芯
CN209498589U (zh) * 2019-01-05 2019-10-18 深圳市合元科技有限公司 雾化芯及电子烟
CN215684863U (zh) * 2021-06-04 2022-02-01 深圳麦克韦尔科技有限公司 电子雾化装置及其雾化器和雾化组件
CN216088843U (zh) * 2021-06-15 2022-03-22 深圳哈珀生物科技有限公司 一种电子雾化装置及其雾化器、雾化芯
CN215381467U (zh) * 2021-06-25 2022-01-04 比亚迪精密制造有限公司 雾化芯及其电子烟
CN113475770A (zh) * 2021-08-05 2021-10-08 深圳市基克纳科技有限公司 一种雾化器导液装置

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