WO2024041557A1 - Atomiseur électronique et son procédé de fabrication - Google Patents

Atomiseur électronique et son procédé de fabrication Download PDF

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Publication number
WO2024041557A1
WO2024041557A1 PCT/CN2023/114404 CN2023114404W WO2024041557A1 WO 2024041557 A1 WO2024041557 A1 WO 2024041557A1 CN 2023114404 W CN2023114404 W CN 2023114404W WO 2024041557 A1 WO2024041557 A1 WO 2024041557A1
Authority
WO
WIPO (PCT)
Prior art keywords
electronic atomizer
shell
atomizing element
thickness
atomizer
Prior art date
Application number
PCT/CN2023/114404
Other languages
English (en)
Inventor
Xiaogang DENG
Xiaofeng Peng
Original Assignee
Shanghai QV Technologies Co., Ltd.
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.)
Filing date
Publication date
Application filed by Shanghai QV Technologies Co., Ltd. filed Critical Shanghai QV Technologies Co., Ltd.
Publication of WO2024041557A1 publication Critical patent/WO2024041557A1/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
    • A24F40/10—Devices using liquid 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
    • 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

  • This invention relates to the field of electronic atomization, in particular to an ultra-thin electronic atomizer and its manufacturing method.
  • the basic principle of the electronic atomizer is that the atomizing liquid is heated and atomized to aerosol by the electronic heating unit for the user to extract from the electronic heating unit for utilization via exerting negative pressure to the suction port of the atomizer.
  • Electronic atomizers are widely used in e-cigarette, medical and recreational products.
  • the space shall not be too small, and the air passage shall be as smooth as possible, otherwise it is difficult to discharge the aerosol and easy to reunite the aerosol into large particles and even give rise to condensation, backflow and the appearance of condensate.
  • the purpose of the invention is to provide an electronic atomizer characterized in that it comprises a liquid storage, a shell, and a base assembly;
  • the liquid storage comprises an oil chamber, and an air outlet passage;
  • the base assembly comprises a bottom cover, and an atomizing element bracket;
  • the liquid storage, shell and bottom cover form a cavity, the atomizing element bracket is located in the cavity, and the atomizing element is arranged on the bracket;
  • the part not occupied by the atomizing element bracket and the atomizing element forms the flowing space for aerosol in the cavity;
  • the ratio between the width of the aerosol flowing space and the thickness of the electronic atomizer ranges from 30%to 65%.
  • the ratio between the width of the aerosol flowing space and the thickness of the electronic atomizer ranges from 35%to 55%.
  • the shell is made of metal or alloy, and the thickness range is 0.1-0.4 mm in the electronic atomizer.
  • the electronic atomizer is less than 8 mm thick.
  • the electronic atomizer is less than 7.5 mm thick.
  • the electronic atomizer is less than 6.5 mm thick.
  • the shell is also attached with a thermal-protective coating inside or outside.
  • the atomizing element ranges from 1.0 to 4 mm in width in the electronic atomizer.
  • the outer wall of the liquid storage is metal or alloy, and the thickness ranges from 0.1 to 0.4 mm in the electronic atomizer.
  • the shell and the base assembly are assembled in a interference fit manner in the electronic atomizer.
  • the interlocking part is lower than or high as the bottom of the oil chamber, and the liquid storage is made of transparent material in the electronic atomizer.
  • the shell is integrated with the liquid storage, is made of plastic, and is 0.4-0.7 mm thick in the electronic atomizer.
  • the electronic atomizer is 10 -100 mm long, and the shell is 10-20 mm long.
  • the invention also provides a manufacturing method of the electronic atomizer which is characterized in that it covers steps for determining the thickness of the electronic atomizer; steps for determining the width of atomizing element in the electronic atomizer; steps for determining the thickness of the shell based on the width of the atomizing element, the thickness of the electronic atomizer, and the relative size of the aerosol flowing space; the relative size of the aerosol flowing space refers to the ratio between the width of the aerosol flowing space and the thickness of the atomizer, and ranges from 30%to 50%.
  • the invention also provides an electronic atomizer which comprises a liquid storage, a shell, and a base assembly;
  • the base assembly comprises a bottom cover, and an atomizing element assembly;
  • the atomizing element assembly includes atomizing element bracket and the atomizing element on the bracket;
  • the liquid storage, shell and bottom cover form a cavity, the atomizing element assembly is located in the cavity, and the wider sides of the atomizing element assembly form the first and second aerosol passages with the inner wall of the shell, respectively;
  • the ratio between the sum of the widths of the first and second passages and the thickness of the electronic atomizer ranges from 21%to 85%.
  • the shell is made of metal or alloy, and the thickness ranges from 0.1 to 0.4 mm in the electronic atomizer.
  • the electronic atomizer is less than 7.5 mm wide.
  • the first passage is as wide as the second passage or not in the electronic atomizer.
  • the shell and the liquid storage are integrated and made of plastic.
  • the shell is thicker than the wall of the liquid storage, and ranges from 0.4-0.7 mm in thickness.
  • the shell and the liquid storage are integrated, and the ratio between the sum of the widths of the first and second passages and the thickness of the electronic atomizer ranges from 35% ⁇ 55%in the electronic atomizer.
  • the invention reveals the effect and influence factors of aerosol flowing space in electronic atomizer, and puts forward a manufacturing method and the electronic atomizer manufactured by the method accordingly, enabling the ultra-thin electronic atomizer to be thin while have the effect of atomization, and thus greatly simplifying the design of ultra-thin atomizer and reducing the experiment cost.
  • Fig. 1 is the stereogram of an embodiment of the electronic atomizer of the invention
  • Fig. 2 is a top view of the embodiment in Fig. 1;
  • Fig. 3 is the exploded view of the embodiment in Fig. 1;
  • Fig. 4 is a sectional view of the embodiment along Line A-Ain Fig. 1;
  • Fig. 5 is a sectional view of the second embodiment of the invention.
  • Fig. 1 and Fig. 2 are stereoscopic and top views of the first embodiment of the invention, respectively.
  • the maximum size of the atomizer in the three dimensions of x, y and z is defined as the size of the atomizer in this dimension, and among the three dimensions, the smallest dimension is defined as the thickness of the atomizer, and the largest dimension is defined as the length of the atomizer.
  • the corresponding dimensions are the size of the atomizer in the two dimensions of x and z, where the largest size in dimension z is T but not t, so T is used as the size of the atomizer in dimension z.
  • the size of the atomizer in dimension z is the smallest among the three dimensions of x, y and z
  • the size in dimension z is the thickness of the atomizer. Unless otherwise specified, the thickness of the atomizer is defined accordingly.
  • the atomizer in this embodiment comprises liquid storage 1, shell 2, and base assembly 3.
  • Base assembly 3 comprises bottom cover 31, and atomizing element bracket 32, on which atomizing element 33 is arranged; atomizing element bracket 32 and atomizing element 33 are jointly defined as an atomizing assembly.
  • Atomizing element bracket 32 goes with a groove for housing atomizing element 33, or atomizing element bracket 32 clamps both ends, usually two shorter sides, of atomizing element 33. See Fig. 3 for the exploded view of liquid storage 1, shell 2, and base assembly 3.
  • Liquid storage 1 and shell 2 as well as base assembly 3 and shell 2 are assembled in the direction indicated by the dashed arrow in Fig. 3 to form an interference fit connection and avoid leakage of aerosol-forming matrix.
  • Fig. 4 is a sectional view of the embodiment along Line A-Ain Fig. 1.
  • Liquid storage 1 comprises oil chamber 11 and outlet passage 12, whose upper end is exhaust port 13.
  • Oil chamber 11 is used to store the atomizing liquid (aerosol-forming matrix) , and the aerosol formed by atomization is sucked out of the atomizer through outlet passage 12 from exhaust port 13.
  • atomizing element bracket 32 is enclosed in shell 2, and there is a space between atomizing element bracket 32 and the inner wall of shell 2 to facilitate the formation and flow of aerosols.
  • This space is referred to as the aerosol flowing space hereinafter, and is marked as 21 in Fig. 4.
  • the size of the aerosol flowing space by its relative size (namely, the ratio between the size of the aerosol flowing space and the overall size of the atomizer) .
  • the narrowest point of the aerosol flowing space in the direction of the thickness of the atomizer is defined as the width of the aerosol flowing space, i.e., the minimum value of w1 +w2 in Fig. 4.
  • the ratio between the width of the aerosol flowing space and the thickness of the atomizer is regarded as the relative size of the aerosol flowing space for evaluating the size of the aerosol flowing space.
  • the relative size of the aerosol flowing space changes with the thickness of the atomizer, the width of the atomizing element and the aerosol flowing space, but the range shall be controlled in 21% ⁇ 85%, preferably in 30% ⁇ 65%, and more preferably in 35% ⁇ 55%.
  • the first aerosol passage 21 and the second aerosol passage 21' are formed between the wider sides of the atomizing element assembly (along the width of the atomizing element) and the inner wall of shell 2, respectively (see Fig. 5) .
  • the width of the aerosol flowing space described above can also be defined as the sum of the widths of the first and second passages.
  • the widths of the first and second passages are usually equal, and they can be unequal.
  • the first or second passage is 0.5 to 2.0 mm wide, preferably 1.2 to 1.6 mm wide, and it is 1.3 mm in this embodiment. Too wide passage would result in too thick atomizer; Too narrow one would lead to poor exhausting, and the aerosol is easy to gather into large particles with bad taste or condensation. So the size here is not reduced in the design of the ultra-thin atomizer.
  • Narrowing atomizing element 31 (the size of atomizing element 31 in the direction of the thickness of atomizer 3) , thinning shell 2, or thickening atomizer 3 can increase the relative size aerosol flowing space 21.
  • atomizing element 31 cannot be too small.
  • its size is controlled within 1-4 mm to be an ultra-thin atomizer.
  • atomizer 3 of the invention is no more than 8 mm thick;
  • the thickness is no more than 7.5 mm, and for the ultra-thin atomizer, the thickness is no more than 6.5 mm.
  • the entire atomizer is 6.1 mm thick, and atomizing element 31 is 3 mm wide.
  • the shell shall be made of metal or alloy to maximize the strength, and in this case, it is made of medical grade stainless steel 316L.
  • shells 2 with thickness of 0.15, 0.2, 0.25, 0.35 or 0.4 mm all meet the requirement on strength, that is, the relative size of the aerosol flowing space can be controlled within 37% ⁇ 46%in this embodiment.
  • the preferred materials for shell 2 also include other medical or food-grade stainless steel, such as 304, 316.
  • liquid storage 1 In case the overall thickness of the atomizer is under control, the wall thickness of liquid storage 1 would affect the amount of oil deposited, and the strength of the storage would be affected if it is too thin.
  • the outer wall of liquid storage 1 is made of metal or alloy, it can be 0.15-0.4 mm thick.
  • liquid storage 1 is made of a transparent material, such as plastic, and the juncture of shell 2 and liquid storage 1 is lower than or high as the bottom of oil chamber 11 to facilitate the observation of the residual amount of atomizing oil in the chamber.
  • the plastic shall be 0.5-1.1 mm thick.
  • FIG. 5 Another embodiment is also given schematically in Fig. 5, and it differs from the embodiment in Fig. 4 in that shell 2 is lengthened.
  • the atomizer is 10-100 mm long, and shell 2 can be 5-20 mm in length.
  • the atomizer is 47 mm long, and shell 2 is 14 mm long.
  • a layer of heat-insulating film can be attached to the inside or outside of shell 2 preferably.
  • heat-insulating film There are many techniques for attaching heat-insulating film, and those applicable include electroplating, magnetron sputtering, nano-ceramics, and indium-tin heat-insulating film.
  • the thickness of the heat-insulating film is usually in micrometer or even nanometer, so it does not affect the relative size of the aerosol flowing space.
  • the electronic atomizer of the present invention can reach a balance between the lightness of the atomizer and the effect of atomization by controlling the ratio between the width of the aerosol flowing space and the thickness of the entire atomizer, and according to the preferred embodiment, it is light and thin with uncompromising effect of atomization.
  • the invention also provides a design method for ultra-thin electronic atomizers, including the following steps:
  • Thickness directly determines the portability and aesthetics of the atomizer to a large extent, and usually shall not exceed 8 mm; Light and thin atomizers are thinner than 7.5 mm or 7 mm, and ultra-thin atomizers are usually thinner than 6.5 mm; In this embodiment, the atomizer is 6.1 mm thick.
  • S2 Determining the size of atomizing element.
  • the atomizing element generally cannot be smaller than 2.5 mm but ranges from 1 mm and 4 mm, and the atomizing element is 3mm in this embodiment.
  • the relative size of the aerosol flowing space refers to the ratio between the size of the aerosol flowing space and the size of the entire atomizer, shall be controlled in 21% ⁇ 85%, preferably in 30% ⁇ 65%, and more preferably in 35% ⁇ 55%.
  • the relative size of the aerosol flowing space is determined to be 40%, and the shell shall be 0.33 mm.
  • medical or food-grade stainless steel 316L is used in this embodiment preferably. According to the experiment, other medical or food-grade stainless steels in the range of 0.10 mm to 0.4 mm, such as 304 and 316, are also preferred shell materials.
  • the thickness of the atomizer and the size of the aerosol flowing space can be conveniently determined, and the balance between the lightness of the atomizer and the effect of atomization can be reached.
  • the atomizer consists of three parts: shell 2, liquid storage 1, and base assembly 3; Shell 2 is tightly socketed with liquid storage 1 and base assembly 3, but this is illustrative only and is not prerequisite.
  • the shell and the liquid storage can be integrally formed as shown by 1 in Fig.
  • the thickness of the shell ranges from 0.45-0.65 mm, the liquid storage is 0.8-1.2 mm thick, the shell is thinner than the wall of the liquid storage while the strength is guaranteed and also meets the requirement. Therefore, all equivalent modifications or changes made by those with common sense in the technical field to which the invention belongs without prejudice to the spirit and technical ideas revealed by the invention shall still be covered by the claims of the invention.

Abstract

La présente invention vise à fournir un atomiseur électronique qui comprend un réservoir de liquide, une coque et un ensemble base ; l'ensemble base comprend un couvercle inférieur, et un support d'élément d'atomisation ; le réservoir de liquide, la coque et le couvercle inférieur forment une cavité, le support d'élément d'atomisation est situé dans la cavité, et l'élément d'atomisation est disposé sur le support ; la partie non occupée par le support d'élément d'atomisation et l'élément d'atomisation forme l'espace d'écoulement de l'aérosol dans la cavité ; le rapport entre la largeur de l'espace d'écoulement d'aérosol et l'épaisseur de l'atomiseur électronique va de 30 % à 65 %. L'invention concerne également un procédé de fabrication d'atomiseurs électroniques qui inclut l'étape consistant à déterminer l'épaisseur de l'atomiseur électronique ; l'étape consistant à déterminer la taille de l'élément d'atomisation dans l'atomiseur électronique ; l'étape consistant à déterminer l'épaisseur de la coque en fonction de la taille de l'élément d'atomisation, de l'épaisseur de l'atomiseur électronique et de la taille relative de l'espace d'écoulement d'aérosol ; la taille relative de l'espace d'écoulement d'aérosol va de 35 % à 55 %.
PCT/CN2023/114404 2022-08-24 2023-08-23 Atomiseur électronique et son procédé de fabrication WO2024041557A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211020167.5A CN117617562A (zh) 2022-08-24 2022-08-24 一种电子雾化器及其制造方法
CN202211020167.5 2022-08-24

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WO2024041557A1 true WO2024041557A1 (fr) 2024-02-29

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014205749A1 (fr) * 2013-06-27 2014-12-31 瑞吉高新科技股份有限公司 Atomiseur pour cigarette électronique et cigarette électronique
WO2020030792A1 (fr) * 2018-08-10 2020-02-13 Jt International Sa Cigarette électronique et capsule pour cigarette électronique
CN212368312U (zh) * 2019-12-31 2021-01-19 深圳雾芯科技有限公司 一种雾化装置
CN216701620U (zh) * 2021-11-12 2022-06-10 深圳市合元科技有限公司 一种雾化器及电子雾化装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014205749A1 (fr) * 2013-06-27 2014-12-31 瑞吉高新科技股份有限公司 Atomiseur pour cigarette électronique et cigarette électronique
WO2020030792A1 (fr) * 2018-08-10 2020-02-13 Jt International Sa Cigarette électronique et capsule pour cigarette électronique
CN212368312U (zh) * 2019-12-31 2021-01-19 深圳雾芯科技有限公司 一种雾化装置
CN216701620U (zh) * 2021-11-12 2022-06-10 深圳市合元科技有限公司 一种雾化器及电子雾化装置

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