WO2020238607A1 - Atomization member and electronic cigarette - Google Patents
Atomization member and electronic cigarette Download PDFInfo
- 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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- layer
- resistance layer
- porous
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- dielectric layer
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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
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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
- A24F40/46—Shape or structure of electric heating means
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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 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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Abstract
An atomization member (1) and an electronic cigarette. The atomization member (1) comprises a porous substrate (11), a dielectric layer (13), a resistance layer (15), and a modification layer (17); the porous substrate (11) is provided with an atomization surface (2); the dielectric layer (13), the resistance layer (15), and the modification layer (17) are arranged on the atomization surface (2); the dielectric layer (13), the resistance layer (15), and the modification layer (17) are sequentially stacked and formed on the porous substrate (11); the porous substrate (11) is configured to absorb an aerosol forming substrate and conduct the aerosol forming substrate onto the atomization surface (2); the resistance layer (15) is configured to convert electric energy into heat energy and heat and atomize the aerosol forming substrate on the atomization surface (2); the dielectric layer (13) provides a substrate for the formation of the resistance layer (15) on the porous substrate (11); the modification layer (17) causes the resistance layer (15) to be modified in terms of preset expected performance; the resistance layer (15) is tightly combined with the atomization surface (2) so as to prevent the resistance layer (15) from failing due to heating without e-liquid.
Description
本实用新型涉及电子烟的技术领域,更具体地说,涉及一种用于电子烟的雾化件。The utility model relates to the technical field of electronic cigarettes, and more specifically, to an atomizer for electronic cigarettes.
现有的电加热式电子烟将螺旋状的发热丝卷绕在棉花上,棉花吸收传导气溶胶形成基质,发热丝通电加热棉花上的气溶胶形成基质,发热丝与棉花的接触面积小,棉花易烧焦失效,雾化效果较差。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.
实用新型内容Utility model content
本实用新型要解决的技术问题在于,针对现有技术的上述缺陷,提供一种雾化件及电子烟。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.
本实用新型解决其技术问题所采用的技术方案是:构造一种雾化件包括包括多孔基质、介质层、电阻层、改性层,所述多孔基质具有雾化面,所述介质层、所述电阻层与所述改性层设置在所述雾化面上,所述介质层、所述电阻层与所述改性层依次叠加形成在所述多孔基质上,所述多孔基质用于吸收气溶胶形成基质并将气溶胶形成基质传导至所述雾化面上,所述电阻层用于将电能转化为热能并对所述雾化面上的气溶胶形成基质进行加热和雾化,所述介质层为所述电阻层形成在所述多孔基质上提供基底,所述改性层使所述电阻层在预定期望性能上得到改性。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.
进一步地,所述多孔基质由具有多孔结构材料制成,所述介质层由绝缘材料制成,所述介质层用于将所述多孔基质与所述电阻层绝缘。Further, the porous matrix is made of a material having a porous structure, the dielectric layer is made of an insulating material, and the dielectric layer is used to insulate the porous matrix from the resistance layer.
进一步地,所述多孔基质由多孔不锈钢材料制成,且微孔孔径为9μm-129μm。Further, the porous substrate is made of porous stainless steel material, and the pore diameter is 9 μm-129 μm.
进一步地,所述多孔基质的孔隙率为32%-58%。μmμmFurther, the porosity of the porous matrix is 32%-58%. μmμm
进一步地,所述多孔基质上的微孔的孔径为5μm-150μm。Further, the pore diameter of the micropores on the porous substrate is 5 μm-150 μm.
进一步地,所述介质层通过薄膜工艺或者通过厚膜工艺形成在所述雾化面上。 进一步地,所述电阻层通过薄膜工艺或者通过厚膜工艺形成在所述介质层上。进一步地。所述改性层通过薄膜工艺或者通过厚膜工艺形成在所述电阻层上。进一步地,述改性层上还设置避让孔,所述避让孔形成在所述改性层上背离所述电阻层的一侧,并且所述避让孔贯穿至所述改性层上贴近所述电阻层的一侧。Further, the dielectric layer is formed on the atomized surface by a thin film process or a thick film process. Further, the resistance layer is formed on the dielectric layer by a thin film process or a thick film process. further. 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.
本实用新型还提供一种电子烟,包括以上所述雾化件、与所述雾化件电连接的电池组件,所述电池组件用于向所述雾化件提供电能。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.
本实用新型的雾化件,具有以下有益效果:所述介质层、所述电阻层与所述改性层设置在所述雾化面上,所述介质层、所述电阻层与所述改性层依次叠加形成在所述多孔基质上,电阻层用于将电能转化为热能并对雾化面上的气溶胶形成基质进行加热和雾化,电阻层与雾化面紧密结合,防止电阻层干烧失效;同时多孔基质由多孔不锈钢材料制成,多孔不锈钢适用于在强氧化环境环境工作,适用于与食品级的气溶胶形成基质接触,雾化效果好。可以理解地,应用雾化件的电子烟具有同样的有益效果。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.
下面将结合附图及实施例对本实用新型作进一步说明,附图中:In the following, the utility model will be further described in conjunction with the accompanying drawings and embodiments. In the accompanying drawings:
图1是本实用新型提供的一种雾化件的结构示意图;Figure 1 is a schematic diagram of the structure of an atomizer provided by the present invention;
图2是本实用新型中利用薄膜工艺制造的雾化件的结构示意图;Figure 2 is a schematic diagram of the structure of the atomizer manufactured by the thin film process in the present invention;
图3是图2中A处的局部放大图;Figure 3 is a partial enlarged view of A in Figure 2;
图4是本实用新型中利用厚膜工艺制造的雾化件的结构示意图;4 is a schematic diagram of the structure of the atomization part manufactured by the thick film process in the present invention;
图5是图4中B-B的截面图;Figure 5 is a cross-sectional view of B-B in Figure 4;
图6是图5中C处的局部放大图。Fig. 6 is a partial enlarged view of C in Fig. 5.
图中标号为The label in the figure is
1、雾化件;11、多孔基质;13、介质层;15、电阻层;17、改性层;19、避让孔;2、雾化面1. Atomization part; 11. Porous substrate; 13. Dielectric layer; 15. Resistance layer; 17. Modification layer; 19. Avoidance hole; 2. Atomization surface
为了对本实用新型的技术特征、目的和效果有更清楚的理解,先对照附图详细说明本实用新型的具体实施方式。In order to have a clearer understanding of the technical features, purpose and effects of the utility model, the specific implementation of the utility model will be described in detail with reference to the drawings.
在本实施方式中,提供一种电子烟(图未示出),电子烟包括雾化件1,与雾化件1电连接的电池组件(图未示出),电池组件用于向雾化件1提供电能。电子烟还包括储液腔(图未示出),储液腔用于储存烟油。In this embodiment, 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.
雾化件1用于通过发热而将吸收的气溶胶形成基质转化为烟雾。如图1所示,在本实施例中,雾化件1包括多孔基质11、介质层13、电阻层15以及改性层17,多孔基质11具有雾化面2,介质层13、电阻层15以及改性层17设置在雾化面2上,介质层13、电阻层15以及改性层17依次叠加形成在多孔基质11上,多孔基质11用于吸收气溶胶形成基质并将气溶胶形成基质传导至雾化面2上,电阻层15与电池组件电性连接,电阻层15用于将电能转化为热能并对雾化面2上的气溶胶形成基质进行加热和雾化,介质层13为电阻层15形成在多孔基质11提供基底,改性层17使电阻层15在预定期望性能上得到改性。The atomizer 1 is used to convert the absorbed aerosol-forming substrate into smoke by heating. As shown in FIG. 1, in this embodiment, 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. And 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.
在其中一种实施方式中,多孔基质11由具有多孔结构的材料制成,具体可以由多孔陶瓷、多孔玻璃、多孔塑料、多孔纤维、多孔金属等任意一种材料制成,多孔基质11上微孔的孔径为6μm-129μm。在本具体实施方式中,多孔基质11由多孔不锈钢制成,具体地,多孔基质11由316L多孔不锈钢材料制成,其中316L为多孔不锈钢材料的牌号。In one of the embodiments, 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 μm-129 μm. In this specific embodiment, the porous substrate 11 is made of porous stainless steel. Specifically, the porous substrate 11 is made of 316L porous stainless steel, where 316L is a brand of porous stainless steel.
现有的多孔基质11多采用多孔陶瓷、、多孔玻璃、多孔塑料以及多孔纤维,多孔基质11采用多孔金属时需要面对的主要技术问题是,一方面,多孔金属与气溶胶形成基质直接接触,多孔金属中会有不期望的物质转移至气溶胶形成基质中并最终被吸食至人体内;另一方面,多孔金属在高温环境下与空气中的氧气接触会发生氧化反应,造成多孔金属的寿命缩短。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.
336L多孔不锈钢的化学组分为:16%-18%的铬、11%-14%的镍、2%-3%的钼、少于0.03%的碳、少于等于2%的其他组分,其余的化学组分为铁。336L多 孔不锈钢适用于强氧化环境,在氧化气氛中的最高工作温度为600℃,在还原气氛中的最高工作温度为850℃,此外,336L多孔不锈钢适用于与食品或者饮用液体接触。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℃, and the maximum working temperature in reducing atmosphere is 850℃. In addition, 336L porous stainless steel is suitable for contact with food or drinking liquid.
其中多孔不锈钢的孔隙率为32%至58%,一方面,可以保证多孔不锈钢具有较好的导液效率,防止出现气溶胶形成基质流通不畅而发生干烧的现象,以提升雾化效果;另一方面,可以避免多孔不锈钢导液过快,难以锁液,导致漏液的概率大增。孔隙率是指多孔基质11内的微小空隙的总体积与该多孔基质11的总体积的比值。孔隙率的大小可以根据气溶胶形成基质的成分来调整,例如当气溶胶形成基质的粘稠度较大时,选用较高的孔隙率,以保证导液效果。Among them, 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.
进一步地,在本实施方式中,多孔不锈钢上的微孔的孔径为9μm-129μm,通过设置大小合适的微孔孔径,使得多孔不锈钢的导液均匀,雾化效果更好。Further, in this embodiment, the pore size of the micropores on the porous stainless steel is 9 μm-129 μm. By setting the pore diameter of a suitable size, the porous stainless steel can conduct liquid uniformly and achieve a better atomization effect.
可以理解地,在其他实施方式中,当多孔基质11由其他多孔结构的材料制成时,多孔基质11中孔隙率、微孔孔径的设置可以参照多孔不锈钢的参数进行设置,此处不再赘述。It is understandable that, in other embodiments, when the porous substrate 11 is made of other porous structure materials, 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. .
电阻层15可以由氧化钉(RuO2)或者镍铬耐热合金(N i Cr)、或者氮化钽(Ta2N)、或者二硅化铬等电阻材料中的一种制成。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.
改性层17位于雾化面2的最外侧,改性层17替代电阻层15与空气、烟雾、气溶胶形成基质混合形成的混浊物直接接触,改性层17可以根据对电阻层15的改性需求,由金属或者合金材料制成,使得电阻层15具有抗腐蚀性、或者抗氧化性、或者耐高温性等预定期望性能,例如为了提高电阻层15的抗氧化性能,改性层17可以由铂、或者钯、或者钯铜合金、或者金银铂合金、或者金银合金、或者钯银合金、或者金铂合金等抗氧化性能强的材料中的一种制成;再例如为了提高电阻层15的绝缘性能,改性层17可以由绝缘材料中的一种制成。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. For example, in order to improve the oxidation resistance of the resistance layer 15, 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 For the insulating properties of the layer 15, the modified layer 17 can be made of one of insulating materials.
在其中一种实施方式中,多孔基质11由多孔不锈钢材料制成,介质层13 由绝缘材料制成,介质层13用于将多孔基质11与电阻层15绝缘,防止多孔基质11与电阻层15电连接而发生短路。介质层13可以由钛酸钡(BaT i03)、或者氧化钽(Ta205),或者氧化硅等绝缘材料中的任意一种制成。In one of the embodiments, the porous substrate 11 is made of porous stainless steel material, the dielectric layer 13 is made of insulating material, and 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.
介质层13、电阻层15以及改性层17通过薄膜工艺或者厚膜工艺形成在雾化面2上,使得电阻层15与雾化面2紧密结合,防止电阻层15在发热的同时因接触不到气溶胶形成基质而发生干烧失效。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. When the aerosol forms a matrix, dry burning failure occurs.
在其中一种实施方式中,介质层13通过薄膜工艺形成在雾化面2上,电阻层15通过薄膜工艺形成在介质层13上,改性层17通过薄膜工艺形成在电阻层15上。在具体实施方式中,介质层13通过化学气相沉积、真空蒸镀、溅射镀膜、电镀等方法形成在雾化面2上,电阻层15通过真空蒸镀、溅射镀膜、电镀等方法形成在介质层13上,改性层17通过真空蒸镀、溅射镀膜、电镀等方法形成在电阻层15上。具体地,如图2、图3所示,多孔基质11本身为多孔结构,依次形成在多孔基质11表面的介质层13、电阻层15以及改性层17也呈现连续的多孔结构,且多孔基质11、介质层13、电阻层15以及改性层17上相对应的的微孔孔径依次减小。In one of the embodiments, 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, and the modified layer 17 is formed on the resistance layer 15 by a thin film process. In a specific embodiment, the dielectric layer 13 is formed on the atomized surface 2 by chemical vapor deposition, vacuum evaporation, sputtering coating, electroplating, etc., and the resistive layer 15 is formed on the atomizing surface 2 by vacuum evaporation, sputtering coating, electroplating, etc. On the dielectric layer 13, the modified layer 17 is formed on the resistance layer 15 by vacuum evaporation, sputtering coating, electroplating and other methods. Specifically, as shown in Figures 2 and 3, 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.
在其中一种实施方式中,介质层13通过厚膜工艺形成在雾化面2上,电阻层15通过厚膜工艺形成在介质层13上,改性层17通过厚膜工艺形成在电阻层15上。在具体实施方式中,介质层13、电阻层15以及改性层17通过丝网印刷方法形成在雾化面2上,介质浆料印刷至雾化面2上,介质浆料经过干燥烧结,最终在雾化面2上形成粘附牢固的介质层13;电阻浆料印刷至介质层13背离雾化面2的一侧,电阻浆料经过干燥烧结,最终在介质层13上形成粘附牢固的电阻层15;改性浆料印刷至电阻层15背离介质层13的一侧,改性浆料经过干燥烧结,最终在电阻层15上形成粘附牢固的改性层17。具体地,如图4、图5、图6所示,介质层13的形成包括以下步骤:a、制作镂刻有与设计电路图形相同图形开孔的掩膜;b、配置介质浆料、电阻浆料以及改性浆 料;c、将掩模放置在丝网与多孔基质11之间,将步骤b中配制好的介质浆料放在丝网上,然后用橡胶或塑料制成的刮板以一定的速度和压力在丝网上移动,使介质浆料通过掩模上图形开孔而漏印在雾化面2上,于是在雾化面2上得到介质浆料印出的所需图形;d、对雾化件1进行干燥处理;e、对介质浆料进行烧制,使得介质层13烧结在多孔基质11上。可以理解地,电阻层15以及改性层17的形成步骤与介质层13的形成步骤相同,再次不做赘述。可以理解地,在其他实施方式中,介质层13、电阻层15以及改性层17通过光刻或光致成图方法、微机控制的直接描绘方法形成在雾化面2上。In one of the embodiments, 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, and the modified layer 17 is formed on the resistive layer 15 through a thick film process. on. In a specific embodiment, 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. Specifically, as shown in FIG. 4, FIG. 5, and FIG. 6, 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. Place 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. It is understandable that 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.
如图3、图6所示,在其中一种实施方式中,改性层17上开设避让孔19,避让孔19形成在改性层17上背离电阻层15的一侧,并且避让孔19贯穿至改性层17上贴近电阻层15的一侧。电子烟还包括接触件(图未示出),接触件的一端由避让孔***并最终抵持在电阻层15,接触件的另一端与电池组件电性连接,从而接触件使得电阻层与电池组件电性连接。As shown in Figures 3 and 6, in one of the embodiments, 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.
本实用新型中,介质层13、电阻层15以及改性层17设置在雾化面2上,介质层13、电阻层15以及改性层17依次叠加形成在多孔基质11上,电阻层15用于将电能转化为热能并对雾化面2上的气溶胶形成基质进行加热和雾化,电阻层15与雾化面2紧密结合,防止电阻层15干烧失效;同时多孔基质11由多孔不锈钢材料制成,多孔不锈钢适用于在强氧化环境环境工作,适用于与食品级的气溶胶形成基质接触,雾化效果好。In the present invention, 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 In order to convert electrical energy into heat and heat and atomize the aerosol-forming substrate on the atomization surface 2, the resistance layer 15 is tightly combined with the atomization surface 2 to prevent the resistance layer 15 from drying out; meanwhile, 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.
以上实施例只为说明本实用新型的技术构思及特点,其目的在于让熟悉此项技术的人士能够了解本实用新型的内容并据此实施,并不能限制本实用新型的保护范围。凡跟本实用新型权利要求范围所做的均等变化与修饰,均应属于本实用新型权利要求的涵盖范围。The above embodiments are only to illustrate the technical concept and features of the present utility model, and their purpose is to enable those familiar with the technology to understand the content of the present utility model and implement them accordingly, and cannot limit the protection scope of the present utility model. All equal changes and modifications made to the scope of the claims of the present utility model shall fall within the scope of the claims of the present utility model.
应当理解的是,对本领域普通技术人员来说,可以根据上述说明加以改进或变换,而所有这些改进和变换都应属于本实用新型所附权利要求的保护范围。It should be understood that for those of ordinary skill in the art, improvements or changes can be made based on the above description, and all these improvements and changes should fall within the protection scope of the appended claims of the present invention.
Claims (10)
- 一种雾化件,其特征在于:包括多孔基质、介质层、电阻层、改性层,所述多孔基质具有雾化面,所述介质层、所述电阻层与所述改性层设置在所述雾化面上,所述介质层、所述电阻层与所述改性层依次叠加形成在所述多孔基质上,所述多孔基质用于吸收气溶胶形成基质并将气溶胶形成基质传导至所述雾化面上,所述电阻层用于将电能转化为热能并对所述雾化面上的气溶胶形成基质进行加热和雾化,所述介质层为所述电阻层形成在所述多孔基质上提供基底,所述改性层使所述电阻层在预定期望性能上得到改性。An atomizer, which is characterized in that it comprises a porous substrate, a dielectric layer, a resistance layer, and a modified layer. The porous substrate has an atomization surface, and the dielectric layer, the resistance layer, and the modified layer are arranged on On the atomizing surface, 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 to form a substrate and conduct the aerosol to form the substrate. 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, and the dielectric layer is formed on the surface of the resistance layer. A substrate is provided on the porous substrate, and the modified layer allows the resistance layer to be modified in predetermined desired properties.
- 如权利要求1所述的雾化件,其特征在于:所述多孔基质由具有多孔结构材料制成,所述介质层由绝缘材料制成,所述介质层用于将所述多孔基质与所述电阻层绝缘。The atomizer according to claim 1, wherein the porous matrix is made of a material with a porous structure, the dielectric layer is made of an insulating material, and the dielectric layer is used to connect the porous matrix with the The resistance layer is insulated.
- 如权利要求2所述的雾化件,其特征在于:所述多孔基质由多孔不锈钢材料制成,且微孔孔径为9μm-129μm。3. The atomizer according to claim 2, wherein the porous substrate is made of porous stainless steel material, and the pore diameter is 9 μm-129 μm.
- 如权利要求1所述的雾化件,其特征在于:所述多孔基质的孔隙率为32%-58%。8. The atomizer of claim 1, wherein the porosity of the porous substrate is 32%-58%.
- 如权利要求1所述的雾化件,其特征在于:所述多孔基质上的微孔的孔径为5μm-150μm。The atomizer according to claim 1, wherein the pore diameter of the micropores on the porous substrate is 5 μm-150 μm.
- 如权利要求1所述的雾化件,其特征在于:所述介质层通过薄膜工艺或者通过厚膜工艺形成在所述雾化面上。3. The atomizing element of claim 1, wherein the dielectric layer is formed on the atomizing surface by a thin film process or a thick film process.
- 如权利要求1所述的雾化件,其特征在于:所述电阻层通过薄膜工艺或者通过厚膜工艺形成在所述介质层上。3. The atomizing element of claim 1, wherein the resistance layer is formed on the dielectric layer by a thin film process or a thick film process.
- 如权利要求1所述的雾化件,其特征在于:所述改性层通过薄膜工艺或者通过厚膜工艺形成在所述电阻层上。3. The atomizing member of claim 1, wherein the modified layer is formed on the resistance layer by a thin film process or a thick film process.
- 如权利要求1所述的雾化件,其特征在于:所述改性层上还设置避让孔,所述避让孔形成在所述改性层上背离所述电阻层的一侧,并且所述避让孔贯穿至所述改性层上贴近所述电阻层的一侧。The atomizer according to claim 1, wherein the modified layer is further provided with an escape hole, the escape hole is formed on the side of the modified layer facing away from the resistance layer, and the The avoidance hole penetrates to the side of the modified layer close to the resistance layer.
- 一种电子烟,其特征在于:所述电子烟包括权利要求1-9任一项所述的雾 化件、与所述雾化件电连接的电池组件,所述电池组件用于向所述雾化件提供电能。An electronic cigarette, characterized in that: the electronic cigarette comprises the atomizer according to any one of claims 1-9, a battery assembly electrically connected to the atomizer, and the battery assembly is used to The atomizer provides electricity.
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Cited By (2)
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EP4280814A4 (en) * | 2021-01-13 | 2024-07-17 | Shenzhen Smoore Technology Ltd | Heating assembly, electronic atomization device and preparation method for heating assembly |
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TWI741822B (en) * | 2020-10-07 | 2021-10-01 | 聚鼎科技股份有限公司 | Vaporizing apparatus and vaporizer thereof |
CN112369717A (en) * | 2020-10-20 | 2021-02-19 | 深圳麦克韦尔科技有限公司 | Atomizing core, atomizer and electronic atomization device |
CN113826962A (en) * | 2021-09-22 | 2021-12-24 | 东莞市维万特智能科技有限公司 | Atomizing core, atomizer, aerosol generating device and atomizing core preparation method |
CN217364691U (en) * | 2022-03-21 | 2022-09-06 | 惠州市新泓威科技有限公司 | Atomizing core with central through hole for guiding liquid |
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