WO2020238607A1 - Élément d'atomisation et cigarette électronique - Google Patents

Élément d'atomisation et cigarette électronique Download PDF

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Publication number
WO2020238607A1
WO2020238607A1 PCT/CN2020/089731 CN2020089731W WO2020238607A1 WO 2020238607 A1 WO2020238607 A1 WO 2020238607A1 CN 2020089731 W CN2020089731 W CN 2020089731W WO 2020238607 A1 WO2020238607 A1 WO 2020238607A1
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WO
WIPO (PCT)
Prior art keywords
layer
resistance layer
porous
substrate
dielectric layer
Prior art date
Application number
PCT/CN2020/089731
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English (en)
Chinese (zh)
Inventor
邱伟华
Original Assignee
常州市派腾电子技术服务有限公司
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Publication date
Application filed by 常州市派腾电子技术服务有限公司 filed Critical 常州市派腾电子技术服务有限公司
Publication of WO2020238607A1 publication Critical patent/WO2020238607A1/fr

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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
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • 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
    • A24F47/00—Smokers' requisites not otherwise provided for

Definitions

  • the utility model relates to the technical field of electronic cigarettes, and more specifically, to an atomizer for electronic cigarettes.
  • the existing electric heating type electronic cigarette winds a spiral heating wire on cotton.
  • the cotton absorbs conductive aerosol to form a matrix.
  • the heating wire is energized to heat the aerosol on the cotton to form a matrix.
  • the contact area between the heating wire and the cotton is small. It is easy to burn and fail, and the atomization effect is poor.
  • the technical problem to be solved by the utility model is to provide an atomizer and an electronic cigarette in view of the above-mentioned defects of the prior art.
  • the technical solution adopted by the utility model to solve its technical problems is: constructing an atomizing part including a porous substrate, a dielectric layer, a resistance layer, and a modified layer.
  • the porous substrate has an atomizing surface, and the dielectric layer, The resistance layer and the modified layer are arranged on the atomization surface, and the dielectric layer, the resistance layer and the modified layer are sequentially formed on the porous substrate, and the porous substrate is used to absorb The aerosol-forming substrate and the aerosol-forming substrate are conducted to the atomization surface.
  • the resistance layer is used to convert electrical energy into heat energy and heat and atomize the aerosol-forming substrate on the atomization surface.
  • the dielectric layer provides a base for the resistance layer to be formed on the porous substrate, and the modification layer enables the resistance layer to be modified in predetermined desired properties.
  • the porous matrix is made of a material having a porous structure
  • the dielectric layer is made of an insulating material
  • the dielectric layer is used to insulate the porous matrix from the resistance layer.
  • the porous substrate is made of porous stainless steel material, and the pore diameter is 9 ⁇ m-129 ⁇ m.
  • the porosity of the porous matrix is 32%-58%. ⁇ m ⁇ m
  • the pore diameter of the micropores on the porous substrate is 5 ⁇ m-150 ⁇ m.
  • the dielectric layer is formed on the atomized surface by a thin film process or a thick film process.
  • the resistance layer is formed on the dielectric layer by a thin film process or a thick film process.
  • the modified layer is formed on the resistance layer by a thin film process or a thick film process. Further, the modified layer is further provided with a relief hole, the relief hole is formed on the side of the modified layer away from the resistance layer, and the relief hole penetrates the modified layer and is close to the One side of the resistive layer.
  • the utility model also provides an electronic cigarette, which comprises the above atomizing part and a battery assembly electrically connected to the atomizing part, and the battery assembly is used to provide electric energy to the atomizing part.
  • the atomization part of the present invention has the following beneficial effects: the dielectric layer, the resistance layer and the modified layer are arranged on the atomization surface, and the dielectric layer, the resistance layer and the modified layer The resistance layer is sequentially superimposed and formed on the porous substrate.
  • the resistance layer is used to convert electrical energy into heat energy and heat and atomize the aerosol-forming substrate on the atomization surface.
  • the resistance layer and the atomization surface are tightly combined to prevent the resistance layer Dry burning fails; at the same time, the porous substrate is made of porous stainless steel.
  • the porous stainless steel is suitable for working in a strong oxidizing environment, and suitable for contact with food-grade aerosol forming substrates, and the atomization effect is good. Understandably, the electronic cigarette using the atomizer has the same beneficial effects.
  • Figure 1 is a schematic diagram of the structure of an atomizer provided by the present invention.
  • Figure 2 is a schematic diagram of the structure of the atomizer manufactured by the thin film process in the present invention.
  • Figure 3 is a partial enlarged view of A in Figure 2;
  • FIG. 4 is a schematic diagram of the structure of the atomization part manufactured by the thick film process in the present invention.
  • Figure 5 is a cross-sectional view of B-B in Figure 4.
  • Fig. 6 is a partial enlarged view of C in Fig. 5.
  • Atomization part 11. Porous substrate; 13. Dielectric layer; 15. Resistance layer; 17. Modification layer; 19. Avoidance hole; 2. Atomization surface
  • an electronic cigarette (not shown) is provided.
  • the electronic cigarette includes an atomizer 1 and a battery assembly (not shown) electrically connected to the atomizer 1, and the battery assembly is used to atomize Item 1 provides electrical energy.
  • the electronic cigarette also includes a liquid storage cavity (not shown in the figure), and the liquid storage cavity is used for storing e-liquid.
  • the atomizer 1 is used to convert the absorbed aerosol-forming substrate into smoke by heating.
  • the atomization member 1 includes a porous substrate 11, a dielectric layer 13, a resistance layer 15, and a modified layer 17.
  • the porous substrate 11 has an atomization surface 2, a dielectric layer 13, and a resistance layer 15.
  • the modified layer 17 is arranged on the atomizing surface 2.
  • the dielectric layer 13, the resistance layer 15 and the modified layer 17 are sequentially formed on the porous substrate 11, and the porous substrate 11 is used to absorb the aerosol to form the substrate and the aerosol to form the substrate Conducted to the atomization surface 2, the resistance layer 15 is electrically connected to the battery assembly, the resistance layer 15 is used to convert electrical energy into heat energy and heat and atomize the aerosol forming substrate on the atomization surface 2, the dielectric layer 13 is The resistance layer 15 is formed on the porous substrate 11 to provide a base, and the modification layer 17 allows the resistance layer 15 to be modified in predetermined desired properties.
  • the porous substrate 11 is made of a material with a porous structure, specifically, it can be made of any material such as porous ceramics, porous glass, porous plastics, porous fibers, and porous metals.
  • the hole diameter is 6 ⁇ m-129 ⁇ m.
  • the porous substrate 11 is made of porous stainless steel.
  • the porous substrate 11 is made of 316L porous stainless steel, where 316L is a brand of porous stainless steel.
  • the existing porous substrate 11 mostly uses porous ceramics, porous glass, porous plastics and porous fibers.
  • the main technical problem that needs to be faced when the porous substrate 11 uses porous metal is that, on the one hand, the porous metal is in direct contact with the aerosol forming substrate. Undesirable substances in porous metal will be transferred to the aerosol-forming matrix and will eventually be ingested into the human body; on the other hand, porous metal will undergo oxidation reaction when it comes in contact with oxygen in the air at high temperature, resulting in the life of porous metal shorten.
  • the chemical composition of 336L porous stainless steel is: 16%-18% chromium, 11%-14% nickel, 2%-3% molybdenum, less than 0.03% carbon, and less than or equal to 2% other components.
  • the remaining chemical composition is iron.
  • 336L porous stainless steel is suitable for strong oxidation environment. The maximum working temperature in oxidizing atmosphere is 600°C, and the maximum working temperature in reducing atmosphere is 850°C.
  • 336L porous stainless steel is suitable for contact with food or drinking liquid.
  • the porosity of porous stainless steel is 32% to 58%. On the one hand, it can ensure that the porous stainless steel has a good liquid conduction efficiency, and prevent the phenomenon of dry burning of aerosol-forming substrates from poor circulation, so as to improve the atomization effect; On the other hand, it can avoid that the porous stainless steel conducts liquid too fast and it is difficult to lock the liquid, which causes the probability of leakage to increase.
  • the porosity refers to the ratio of the total volume of the micro voids in the porous matrix 11 to the total volume of the porous matrix 11. The porosity can be adjusted according to the composition of the aerosol-forming substrate. For example, when the aerosol-forming substrate has a relatively large viscosity, a higher porosity can be selected to ensure the effect of fluid transfer.
  • the pore size of the micropores on the porous stainless steel is 9 ⁇ m-129 ⁇ m.
  • the porous stainless steel can conduct liquid uniformly and achieve a better atomization effect.
  • the porosity and micropore diameter of the porous substrate 11 can be set with reference to the parameters of the porous stainless steel, which will not be repeated here. .
  • the resistance layer 15 may be made of one of resistance materials such as nail oxide (RuO2), nickel-chromium heat-resistant alloy (Ni Cr), or tantalum nitride (Ta2N), or chromium disilicide.
  • RuO2 nail oxide
  • Ni Cr nickel-chromium heat-resistant alloy
  • Ta2N tantalum nitride
  • chromium disilicide chromium disilicide
  • the modified layer 17 is located on the outermost side of the atomization surface 2.
  • the modified layer 17 replaces the resistance layer 15 and directly contacts the turbidity formed by mixing air, smoke, and aerosol.
  • the modified layer 17 can be modified according to the resistance layer 15 Resistance requirements, made of metal or alloy materials, so that the resistance layer 15 has predetermined desired properties such as corrosion resistance, or oxidation resistance, or high temperature resistance.
  • the modified layer 17 may Made of platinum, or palladium, or palladium-copper alloy, or gold-silver-platinum alloy, or gold-silver alloy, or palladium-silver alloy, or gold-platinum alloy and other materials with strong oxidation resistance; for example, to improve resistance
  • the modified layer 17 can be made of one of insulating materials.
  • the porous substrate 11 is made of porous stainless steel material
  • the dielectric layer 13 is made of insulating material
  • the dielectric layer 13 is used to insulate the porous substrate 11 from the resistance layer 15 and prevent the porous substrate 11 from the resistance layer 15
  • the electrical connection causes a short circuit.
  • the dielectric layer 13 may be made of any one of insulating materials such as barium titanate (BaT i03), tantalum oxide (Ta205), or silicon oxide.
  • the dielectric layer 13, the resistance layer 15 and the modified layer 17 are formed on the fogging surface 2 by a thin film process or a thick film process, so that the resistance layer 15 and the fogging surface 2 are closely combined to prevent the resistance layer 15 from being in contact due to heat at the same time.
  • the aerosol forms a matrix, dry burning failure occurs.
  • the dielectric layer 13 is formed on the fogging surface 2 by a thin film process
  • the resistance layer 15 is formed on the dielectric layer 13 by a thin film process
  • the modified layer 17 is formed on the resistance layer 15 by a thin film process.
  • the dielectric layer 13 is formed on the atomized surface 2 by chemical vapor deposition, vacuum evaporation, sputtering coating, electroplating, etc.
  • the resistive layer 15 is formed on the atomizing surface 2 by vacuum evaporation, sputtering coating, electroplating, etc.
  • the modified layer 17 is formed on the resistance layer 15 by vacuum evaporation, sputtering coating, electroplating and other methods.
  • the porous substrate 11 itself is a porous structure, and the dielectric layer 13, the resistance layer 15, and the modified layer 17 formed on the surface of the porous substrate 11 in turn also present a continuous porous structure, and the porous substrate 11.
  • the corresponding micropore diameters on the dielectric layer 13, the resistance layer 15 and the modified layer 17 are sequentially reduced.
  • the dielectric layer 13 is formed on the fogging surface 2 through a thick film process
  • the resistive layer 15 is formed on the dielectric layer 13 through a thick film process
  • the modified layer 17 is formed on the resistive layer 15 through a thick film process. on.
  • the dielectric layer 13, the resistance layer 15 and the modified layer 17 are formed on the atomized surface 2 by a screen printing method, the dielectric paste is printed on the atomized surface 2, and the dielectric paste is dried and sintered, and finally A firmly adhered dielectric layer 13 is formed on the atomized surface 2; the resistive paste is printed on the side of the dielectric layer 13 away from the atomized surface 2.
  • the resistive paste is dried and sintered, and finally forms a firmly adhered dielectric layer 13 Resistor layer 15; the modified paste is printed on the side of the resistive layer 15 away from the dielectric layer 13, and the modified paste is dried and sintered, and finally a modified layer 17 with strong adhesion is formed on the resistive layer 15.
  • the formation of the dielectric layer 13 includes the following steps: a. Making a mask engraved with openings in the same pattern as the design circuit pattern; b. Disposing dielectric paste and resistive paste Material and modified slurry; c.
  • the mask between the screen and the porous substrate 11 place the media slurry prepared in step b on the screen, and then use a rubber or plastic scraper to set The speed and pressure move on the screen, so that the medium slurry passes through the pattern openings on the mask and is not printed on the atomized surface 2, so that the desired pattern printed by the medium slurry is obtained on the atomized surface 2; d. Drying the atomizer 1; e. Firing the medium slurry, so that the medium layer 13 is sintered on the porous substrate 11.
  • the steps for forming the resistance layer 15 and the modified layer 17 are the same as the steps for forming the dielectric layer 13, and will not be described again. It is understandable that, in other embodiments, the dielectric layer 13, the resistance layer 15 and the modified layer 17 are formed on the fogging surface 2 by photolithography or photo-patterning methods, or direct drawing methods controlled by a microcomputer.
  • the modified layer 17 is provided with an escape hole 19, and the escape hole 19 is formed on the side of the modified layer 17 away from the resistance layer 15, and the escape hole 19 penetrates To the side of the modified layer 17 close to the resistance layer 15.
  • the electronic cigarette also includes a contact piece (not shown in the figure). One end of the contact piece is inserted through the escape hole and finally held against the resistance layer 15, and the other end of the contact piece is electrically connected to the battery assembly, so that the contact piece makes the resistance layer and the battery The components are electrically connected.
  • the dielectric layer 13, the resistance layer 15 and the modified layer 17 are arranged on the atomizing surface 2.
  • the dielectric layer 13, the resistive layer 15 and the modified layer 17 are sequentially formed on the porous substrate 11, and the resistive layer 15 is used for
  • the resistance layer 15 is tightly combined with the atomization surface 2 to prevent the resistance layer 15 from drying out;
  • the porous substrate 11 is made of porous stainless steel. Made of material, porous stainless steel is suitable for working in a strong oxidizing environment, suitable for contact with food-grade aerosol forming substrate, and good atomization effect.

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  • Coating By Spraying Or Casting (AREA)
  • Surface Heating Bodies (AREA)

Abstract

La présente invention concerne un élément d'atomisation (1) et une cigarette électronique. L'élément d'atomisation (1) comprend un substrat poreux (11), une couche diélectrique (13), une couche de résistance (15), et une couche de modification (17) ; le substrat poreux (11) est pourvu d'une surface d'atomisation (2) ; la couche diélectrique (13), la couche de résistance (15), et la couche de modification (17) sont disposées sur la surface d'atomisation (2) ; la couche diélectrique (13), la couche de résistance (15) et la couche de modification (17) sont empilées séquentiellement et formées sur le substrat poreux (11) ; le substrat poreux (11) est conçu pour absorber un substrat de formation d'aérosol et conduire le substrat de formation d'aérosol sur la surface d'atomisation (2) ; la couche de résistance (15) est conçue pour convertir l'énergie électrique en énergie thermique et chauffer et atomiser le substrat de formation d'aérosol sur la surface d'atomisation (2) ; la couche diélectrique (13) fournit un substrat pour la formation de la couche de résistance (15) sur le substrat poreux (11) ; la couche de modification (17) entraîne une modification de la couche de résistance (15) en termes de performance attendue prédéfinie ; la couche de résistance (15) est étroitement combinée à la surface d'atomisation (2) de façon à empêcher la défaillance de la couche de résistance (15) en raison d'un chauffage sans e-liquide.
PCT/CN2020/089731 2019-05-29 2020-05-12 Élément d'atomisation et cigarette électronique WO2020238607A1 (fr)

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Application Number Priority Date Filing Date Title
CN201920799662.8U CN210329343U (zh) 2019-05-29 2019-05-29 雾化件及电子烟
CN201920799662.8 2019-05-29

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WO2020238607A1 true WO2020238607A1 (fr) 2020-12-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4135478A1 (fr) * 2021-08-13 2023-02-15 Shenzhen Smoore Technology Limited Élément d'atomisation, atomiseur et dispositif d'atomisation électronique

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210329343U (zh) * 2019-05-29 2020-04-17 常州市派腾电子技术服务有限公司 雾化件及电子烟
TWI741822B (zh) * 2020-10-07 2021-10-01 聚鼎科技股份有限公司 霧化裝置及其霧化元件
CN112369717A (zh) * 2020-10-20 2021-02-19 深圳麦克韦尔科技有限公司 雾化芯、雾化器及电子雾化装置
CN113826962A (zh) * 2021-09-22 2021-12-24 东莞市维万特智能科技有限公司 雾化芯、雾化器、气溶胶发生装置及雾化芯制备方法
CN217364691U (zh) * 2022-03-21 2022-09-06 惠州市新泓威科技有限公司 中心通孔导液的雾化芯

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US20180064170A1 (en) * 2016-08-23 2018-03-08 Schott Ag Heating elements for electronic cigarettes
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CN210329343U (zh) * 2019-05-29 2020-04-17 常州市派腾电子技术服务有限公司 雾化件及电子烟

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CN109414062A (zh) * 2016-06-27 2019-03-01 日本烟草产业株式会社 香味吸入器用烟弹及具有该香味吸入器用烟弹的香味吸入器
US20180064170A1 (en) * 2016-08-23 2018-03-08 Schott Ag Heating elements for electronic cigarettes
CN109414078A (zh) * 2018-09-10 2019-03-01 深圳麦克韦尔股份有限公司 电子烟、雾化组件及其雾化元件
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CN210329343U (zh) * 2019-05-29 2020-04-17 常州市派腾电子技术服务有限公司 雾化件及电子烟

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4135478A1 (fr) * 2021-08-13 2023-02-15 Shenzhen Smoore Technology Limited Élément d'atomisation, atomiseur et dispositif d'atomisation électronique

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