EP4159057A2 - Corps chauffant, atomiseur et dispositif d'atomisation électronique - Google Patents
Corps chauffant, atomiseur et dispositif d'atomisation électronique Download PDFInfo
- Publication number
- EP4159057A2 EP4159057A2 EP22759005.6A EP22759005A EP4159057A2 EP 4159057 A2 EP4159057 A2 EP 4159057A2 EP 22759005 A EP22759005 A EP 22759005A EP 4159057 A2 EP4159057 A2 EP 4159057A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- grooves
- micropores
- heating body
- sub
- heating
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 246
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- 238000009736 wetting Methods 0.000 claims abstract description 28
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
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- 238000004381 surface treatment Methods 0.000 claims description 4
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- 229920000742 Cotton Polymers 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
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- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
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- 229910001093 Zr alloy Inorganic materials 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
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- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 239000000788 chromium alloy Substances 0.000 claims description 3
- BIJOYKCOMBZXAE-UHFFFAOYSA-N chromium iron nickel Chemical compound [Cr].[Fe].[Ni] BIJOYKCOMBZXAE-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
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- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 3
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- 239000010453 quartz Substances 0.000 claims description 3
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- 239000004332 silver Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 3
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- 239000010936 titanium Substances 0.000 claims description 3
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- 229910052581 Si3N4 Inorganic materials 0.000 description 1
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- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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Images
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
-
- 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
- A24F40/44—Wicks
-
- 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
-
- 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
Definitions
- the present disclosure relates to the field of atomizing technologies, and in particular, to a heating body, an atomizer, and an electronic atomizing device.
- An electronic atomizing device is formed by components such as a heating body, a battery, and a control circuit, etc.
- the heating body is a core component of the electronic atomizing device, and characteristics thereof decide an atomizing effect and use experience of the electronic atomizing device.
- a porous heating body made of a dense substrate such as glass is provided.
- the heat conduction efficiency of a dense substrate defining through holes is relatively poor when compared with a porous substrate defining disordered through holes (such as porous ceramic), which affects the atomizing efficiency.
- the present disclosure provides a heating body with a dense substrate, an atomizer and an electronic atomizing device both including the heating body to improve the atomizing efficiency.
- a first technical solution provided in the present disclosure is to provide a heating body applied to an electronic atomizing device and configured to heat and atomize an aerosol-generation substance.
- the heating body includes a dense substrate, the dense substrate includes a liquid absorbing surface and an atomizing surface arranged opposite to each other; a plurality of micropores are defined on the dense substrate, and the plurality of micropores extend through from the liquid absorbing surface to the atomizing surface; and the atomizing surface is a wetting structure on which surface treatment is performed, and the wetting structure is fluidly coupled to the plurality of micropores.
- the atomizing surface includes a first concave-convex structure to form the wetting structure; and the first concave-convex structure includes a plurality of first grooves, and the plurality of first grooves are fluidly coupled to the plurality of micropores.
- the plurality of first grooves are defined parallel to each other, and the length direction of the plurality of first grooves is parallel to a first direction; and a first protruding bar is arranged between two adjacent first grooves; or the plurality of first grooves are defined parallel to each other, and the length direction of the plurality of first grooves is parallel to a second direction; and a second protruding bar is arranged between two adjacent first grooves; or the plurality of first grooves include a plurality of first sub-grooves extending along a first direction and a plurality of second sub-grooves extending along a second direction, and the plurality of first sub-grooves and the plurality of second sub-grooves are defined in an intersecting manner; and a bump is arranged between two adjacent first sub-grooves and between two adjacent second sub-grooves, the second direction intersects with the first direction.
- the plurality of first grooves include the plurality of first sub-grooves and the plurality of second sub-grooves; and the plurality of first sub-grooves cooperate with the plurality of second sub-grooves to form a plurality of bumps distributed in an array.
- the end openings of the plurality of micropores that are away from the liquid absorbing surface are all arranged on the bottom surfaces of the plurality of first grooves; or the end openings of the plurality of micropores that are away from the liquid absorbing surface are all arranged on the end surfaces of the plurality of bumps that are away from the liquid absorbing surface; or some end openings of the plurality of micropores that are away from the liquid absorbing surface are arranged on the bottom surfaces of the plurality of first grooves, and the other end openings of the plurality of micropores that are away from the liquid absorbing surface are arranged on the end surfaces of the plurality of bumps that are away from the liquid absorbing surface.
- the end openings of the plurality of micropores that are away from the liquid absorbing surface are all arranged on the bottom surfaces of the plurality of first grooves; or the plurality of micropores are distributed in an array, each of the plurality of first sub-grooves corresponds to one row of micropores, and each of the plurality of second sub-grooves correspond to one column of micropores; and a plurality of rows of bumps and a plurality of rows of micropores are arranged alternately, and a plurality of columns of bumps and a plurality of columns of micropores are arranged alternately.
- the heating body further includes a heating film, the heating film is arranged on the surface of the wetting structure, the heating film is configured to heat and atomize the aerosol-generation substance, the heating component exposes its corresponding micropores.
- the heating body further includes a heating film
- the heating film includes a first part, a second part, a third part, and a fourth part
- the first part is arranged on the side wall and the bottom wall of each of the plurality of first sub-grooves
- the second part is arranged on the side wall and the bottom wall of each of the plurality of second sub-grooves
- the third part is arranged on an end surface of each of the plurality of bumps that is away from the liquid absorbing surface
- the fourth part extends to the pore wall of a corresponding micropore.
- the width of the first groove ranges from 1 ⁇ m to 100 ⁇ m.
- the width of the first groove is less than or equal to 1.2 times of the diameter of the micropores.
- the depth of the first groove ranges from 1 ⁇ m to 200 ⁇ m.
- the depth of the first groove ranges from 1 ⁇ m to 50 ⁇ m.
- the plurality of micropores are defined in an array and the array includes a plurality of micropore columns parallel to a first direction;
- the wetting structure includes a plurality of first sub-grooves, the extending direction of each of the plurality of first sub-grooves is parallel to the first direction, and each of the plurality of first sub-grooves at least corresponds to one column of the plurality of micropores parallel to the first direction.
- the plurality of micropores include a plurality of micropore columns parallel to a second direction
- the wetting structure includes a plurality of second sub-grooves, the extending direction of each of the plurality of second sub-grooves is parallel to the second direction, and each of the plurality of second sub-grooves at least corresponds to one column of the plurality of micropores parallel to the second direction, where the plurality of first sub-grooves and the plurality of second sub-grooves are communicated in an intersecting manner to form a mesh structure.
- the heating body further includes a positive electrode and a negative electrode, and two ends of the heating film are electrically connected to the positive electrode and the negative electrode respectively; and the first direction is a direction approaching the negative electrode along the positive electrode.
- the surface of the heating film is a lipophilic structure and/or the surface of the heating film that is away from the dense substrate includes a frosted structure or a sandblasting structure.
- the thickness of the heating film ranges from 200 nm to 5 ⁇ m; and the material of the heating film is one or more of aluminum or aluminum alloy, copper or copper alloy, silver or silver alloy, nickel or nickel alloy, chromium or chromium alloy, platinum or platinum alloy, titanium or titanium alloy, zirconium or zirconium alloy, palladium or palladium alloy, iron or iron alloy, gold or gold alloy, molybdenum or molybdenum alloy, niobium or niobium alloy, and tantalum or tantalum alloy.
- the thickness of the heating film ranges from 200 nm to 10 ⁇ m; and the material of the heating film is one or more of stainless steel, nickel-chromium-iron alloy, or nickel-based corrosion-resistant alloy.
- the atomizing surface is a frosted structure or a sandblasting structure to form the wetting structure.
- the liquid absorbing surface is a frosted structure or a sandblasting structure.
- the liquid absorbing surface includes a second concave-convex structure
- the second concave-convex structure includes a plurality of second grooves
- the plurality of second grooves are fluidly coupled to the plurality of micropores.
- the material of the dense substrate is quartz, glass, or dense ceramic, and the plurality of micropores are designed orderly.
- the plurality of micropores are straight through holes, and the axis of each of the plurality of micropores is perpendicular to the dense substrate.
- the heating body further includes a liquid guiding member, where the liquid guiding member and the liquid absorbing surface of the dense substrate are spaced apart to form a gap; or the liquid guiding member is in contact with the liquid absorbing surface of the dense substrate.
- the liquid guiding member is made of porous ceramic or a cotton core; or the material of the liquid guiding member is dense, and a plurality of through holes are defined in the liquid guiding member.
- a plurality of transverse holes are further defined in the dense substrate, and the plurality of transverse holes are fluidly coupled to the plurality of micropores; and the axis of each of the plurality of transverse holes intersects with the axis of each of the plurality of micropores.
- a second technical solution provided in the present disclosure is to provide an atomizer including a liquid storage cavity and any one of above heating bodies.
- the liquid storage cavity is configured to store an aerosol-generation substance, and the heating body is in fluidly coupled to the liquid storage cavity.
- a third technical solution provided in the present disclosure is to provide an electronic atomizing device including above atomizer and a power supply assembly, and the power supply assembly is configured to supply electric energy for operation of the atomizer.
- the present disclosure discloses a heating body, an atomizer, and an electronic atomizing device.
- the heating body includes a dense substrate, and the dense substrate includes a liquid absorbing surface and an atomizing surface arranged opposite to each other.
- a plurality of micropores are defined on the dense substrate, and the plurality of micropores extend through from the liquid absorbing surface to the atomizing surface.
- the atomizing surface is a wetting structure on which surface treatment is performed, and the wetting structure is fluidly coupled to the plurality of micropores. Therefore, a wetted area of the atomizing surface is enlarged, and the atomizing efficiency is improved.
- first”, “second”, and “third” in the present disclosure are merely intended for a purpose of description, and cannot be understood as indicating or implying relative significance or implicitly indicating the number of indicated technical features. Therefore, features defined with “first”, “second”, and “third” can explicitly or implicitly include at least one of the features.
- term “a plurality of” means at least two, such as two and three unless it is specifically defined otherwise. All directional indications (for example, upper, lower, left, right, front, and rear, etc.) in the embodiments of the present disclosure are only used for explaining relative position relationships, movement situations, or the like between various components in a particular posture (as shown in the accompanying drawings). When the particular posture changes, the directional indications change accordingly.
- a process, a method, a system, a product, or a device that includes a series of steps or units is not limited to the listed steps or units, but further optionally includes a step or unit that is not listed, or further optionally includes other step or component that is intrinsic to the process, the method, the product, or the device.
- FIG. 1 is a structural schematic view of an electronic atomizing device according to an embodiment of the present disclosure.
- an electronic atomizing device 100 is provided.
- the electronic atomizing device 100 may be configured to atomize an aerosol-generation substance.
- the electronic atomizing device 100 includes an atomizer 1 and a power supply assembly 2 electrically connected to each other.
- the atomizer 1 is configured to store an aerosol-generation substance and atomize the aerosol-generation substance to form aerosols that can be inhaled by a user.
- the atomizer 1 may be specifically applied to different fields such as medical care, cosmetology, and recreation inhalation.
- the atomizer 1 may be applied to an electronic aerosol atomizing device to atomize an aerosol-generation substance and generate aerosols for inhalation by the user, and the following embodiments are described by taking the recreation inhalation as an example.
- the power supply assembly 2 includes a battery (not shown in the drawing) and a controller (not shown in the drawing).
- the battery is configured to supply electric energy for operation of the atomizer 1, so as to enable the atomizer 1 to atomize the aerosol-generation substance to form aerosols.
- the controller is configured to control operation of the atomizer 1.
- the power supply assembly 2 further includes other components such as a battery holder and an airflow sensor.
- the atomizer 1 and the power supply assembly 2 may be integrally arranged or may be detachably connected to each other, which may be designed according to a specific requirement.
- FIG. 2 is a structural schematic view of an atomizer of the electronic atomizing device provided in FIG. 1 .
- the atomizer 1 includes a housing 10, a heating body 11, and an atomizing base 12.
- the atomizing base 12 includes a mounting cavity (not labeled in the drawing), and the heating body 11 is arranged in the mounting cavity; and the heating body 11 is arranged together with the atomizing base 12 in the housing 10.
- the housing 10 defines an air outlet channel 13, an inner surface of the housing 10, an outer surface of the air outlet channel 13, and a top surface of the atomizing base 12 cooperate to form a liquid storage cavity 14, and the liquid storage cavity 14 is configured to store a liquid aerosol-generation substance.
- the heating body 11 is electrically connected to the power supply assembly 2, so as to atomize the aerosol-generation substance to generate aerosols.
- the atomizing base 12 includes an upper base 121 and a lower base 122, and the upper base 121 and the lower base 122 cooperate to form the mounting cavity; and an atomizing surface of the heating body 11 and a cavity wall of the mounting cavity cooperate to form an atomizing cavity 120.
- a liquid supplying channel 1211 is defined in the upper base 121.
- the aerosol-generation substance in the liquid storage cavity 14 flows into the heating body 11 through the liquid supplying channel 1211, namely, the heating body 11 is in fluidly coupled to the liquid storage cavity 14.
- An air inlet channel 15 is defined in the lower base 122, external air enters the atomizing cavity 120 through the air inlet channel 15, carries aerosols atomized by the heating body 11 to flow to the air outlet channel 13, and the user inhales the aerosols through an end opening of the air outlet channel 13.
- FIG. 3 is a structural schematic view of a heating body according to a first embodiment of the atomizer provided in FIG. 2
- FIG. 4 is a structural schematic view of the heating body provided in FIG. 3 viewed from one side of an atomizing surface
- FIG. 5 is a structural schematic view of the heating body provided in FIG. 3 viewed from one side of a liquid absorbing surface
- FIG. 6 is a schematic partially enlarged structural schematic view of FIG. 3 .
- the heating body 11 includes a dense substrate 111, and the dense substrate 111 includes a liquid absorbing surface 1111 and an atomizing surface 1112 arranged opposite to each other.
- a plurality of micropores 1113 are defined on the dense substrate 111, the plurality of micropores 1113 are through holes extending through from the liquid absorbing surface 1111 to the atomizing surface 1112, and the plurality of micropores 1113 are designed orderly.
- the plurality of micropores 1113 are configured to guide the aerosol-generation substance from the liquid absorbing surface 1111 to the atomizing surface 1112.
- the aerosol-generation substance in the liquid storage cavity 14 flows to the liquid absorbing surface 1111 of the dense substrate 111 through the liquid supplying channel 1211, and is guided to the atomizing surface 1112 through the capillary force of the plurality of micropores 1113.
- the aerosol-generation substance flows from the liquid absorbing surface to the atomizing surface.
- the aerosol-generation substance is heated and atomized on the atomizing surface of the heating body 11 to generate aerosols.
- the atomizing surface 1112 is a wetting structure on which surface treatment is performed, and the wetting structure is fluidly coupled to the plurality of micropores 1113.
- the liquid absorbing surface 1111 is a smooth surface.
- the aerosol-generation substance is atomized on the atomizing surface 1112 to generate aerosols, by arranging the wetting structure on the atomizing surface 1112, a wetted area of the atomizing surface 1112 is enlarged, such that more aerosol-generation substances may be attached to the atomizing surface 1112, thereby improving the atomizing efficiency.
- the material of the dense substrate 111 is glass, dense ceramic, silicon, or quartz.
- the glass may be one of common glass, quartz glass, borosilicate glass, or photosensitive lithium aluminosilicate glass.
- the dense substrate 111 is in a shape of a sheet. It should be understood that, a sheet-like body is described compared to a block-shaped body, a ratio of the length to the thickness of a sheet-like body is greater than a ratio of the length to the thickness of a block-shaped body; and for example, the dense substrate 111 may be in a shape of a rectangular sheet.
- the dense substrate 111 may also be in a shape of a plate, an arc, or a cylinder, which is specifically designed as required, and other structures of the atomizer 1 are matched with the shape of the dense substrate 111.
- the plurality of micropores 1113 on the dense substrate 111 are straight through holes extending through two opposite surfaces of the dense substrate 111, and the axis of each of the plurality of micropores 1113 is perpendicular to the dense substrate 111. That is, the extending direction of each of the plurality of micropores 1113 is perpendicular to the dense substrate 111.
- the diameter of the micropores 1113 on the dense substrate 111 ranges from 1 ⁇ m to 100 ⁇ m. When the diameter of the micropores 1113 is less than 1 ⁇ m, the liquid supplying requirement cannot be met, thereby leading to a decrease of the amount of aerosols. When the diameter of the micropores 1113 is greater than 100 ⁇ m, the aerosol-generation substance may easily leak out from the plurality of micropores 1113 to cause liquid leakage. In some embodiments, the diameter of the micropores 1113 ranges from 20 ⁇ m to 50 ⁇ m. It should be understood that the diameter of the micropores 1113 is selected according to an actual requirement.
- a thickness of the dense substrate 111 ranges from 0.1 mm to 2 mm.
- the thickness of the dense substrate 111 is the distance between the liquid absorbing surface 1111 and the atomizing surface 1112.
- the thickness of the dense substrate 111 is greater than 2 mm, the liquid supplying requirement cannot be met, thereby leading to a decrease of the amount of aerosols, a great heat loss, and high costs of the dense substrate 111.
- the thickness of the dense substrate 111 is less than 0.1 mm, the intensity of the dense substrate 111 cannot be ensured, which is not conducive to improve the performance of the electronic atomizing device.
- the thickness of the dense substrate 111 ranges from 0.3 mm to 0.8 mm. It should be understood that the thickness of the dense substrate 111 is selected according to an actual requirement.
- the ratio of the thickness of the dense substrate 111 to the diameter of the micropores 1113 ranges from 20:1 to 3:1 to improve a liquid supplying capability.
- the ratio of the thickness of the dense substrate 111 to the diameter of the micropores 1113 is greater than 20:1, the aerosol-generation substance supplied through the capillary force of each of the plurality of micropores 1113 can hardly meet an atomizing requirement, which easily leads to dry burning and a decrease of the amount of aerosols generated in single atomiation.
- the aerosol-generation substance may easily leak out from each of the plurality of micropores 1113 to cause a waste and lead to a decrease of the atomizing efficiency, thereby leading a decrease of the total amount of aerosols.
- the ratio of the thickness of the dense substrate 111 to the diameter of the micropores 1113 ranges from 15:1 to 5:1.
- the ratio of a distance between centers of two adjacent micropores 1113 to the diameter of the micropores 1113 ranges from 3:1 to 1.5:1, such that the intensity of the dense substrate 111 is improved as much as possible in a case that the plurality of micropores 1113 on the dense substrate 111 have the liquid supplying capability.
- the ratio of the distance between centers of two adjacent micropores 1113 to the diameter of the micropores 1113 ranges from 3:1 to 2:1.
- the ratio of the distance between centers of two adjacent micropores 1113 to the diameter of the micropores 1113 ranges from 3:1 to 2.5:1.
- the heating body 11 further includes a heating component 112, a positive electrode 113, and a negative electrode 114, and two ends of the heating component 112 are electrically connected to the positive electrode 113 and the negative electrode 114 respectively.
- the heating component 112 is configured to atomize the aerosol-generation substance.
- the heating component 112 is arranged on the atomizing surface 1112 of the dense substrate 111, namely, the heating component 112 is arranged on the surface of the wetting structure, thereby heating and atomizing the aerosol-generation substance to generate aerosols.
- the positive electrode 113 and the negative electrode 114 are both arranged on the atomizing surface 1112 of the dense substrate 111 to be electrically connected to the power supply assembly 2.
- the heating component 112 may be a component such as a heating sheet, a heating film, or a heating mesh to heat and atomize the aerosol-generation substance.
- the heating component 112 may be arranged inside the dense substrate 111.
- the dense substrate 111 is at least partially conductive to serve as the heating component 112.
- the heating component 112 is a heating film, the thickness of the heating film ranges from 200 nm to 5 ⁇ m, and the material of the heating film is one or more of aluminum or aluminum alloy, copper or copper alloy, silver or silver alloy, nickel or nickel alloy, chromium or chromium alloy, platinum or platinum alloy, titanium or titanium alloy, zirconium or zirconium alloy, palladium or palladium alloy, iron or iron alloy, gold or gold alloy, molybdenum or molybdenum alloy, niobium or niobium alloy, and tantalum or tantalum alloy.
- the heating component 112 is a heating film, the thickness of the heating film ranges from 200 nm to 10 ⁇ m, and the material of the heating film is one or more of stainless steel (304, 316L, 317L, or 904L, etc.), nickel-chromium-iron alloy (inconel625 or inconel718, etc.), or nickel-based corrosion-resistant alloy (nickel-molybdenum alloy B-2 or nickel-chromium-molybdenum alloy C-276, etc.).
- stainless steel 304, 316L, 317L, or 904L, etc.
- nickel-chromium-iron alloy inconel625 or inconel718, etc.
- nickel-based corrosion-resistant alloy nickel-molybdenum alloy B-2 or nickel-chromium-molybdenum alloy C-276, etc.
- the aerosol-generation substance may be atomized through a manner such as microwave heating or laser heating, etc., which is specifically designed as required.
- the following describes the heating body 11 in detail by taking an example that the heating component 112 performs heating, the heating component 112 is arranged on the surface of the wetting structure, and the heating component 112 is a heating film.
- the heating film is formed on the atomizing surface 1112 of the dense substrate 111 through a physical vapor deposition process.
- the heating film exposes its corresponding micropores 1113 (as shown in FIG. 3 and FIG. 4 ).
- the plurality of micropores 1113 are merely arranged on a part of the surface of the dense substrate 111 in an array. Specifically, a microporous array region 1114 and a blank region 1115 arranged surrounding a periphery of the microporous array region 1114 are arranged on the dense substrate 111.
- the microporous array region 1114 includes the plurality of micropores 1113, and no micropore 1113 is arranged on the blank region 1115.
- the heating component 112 is arranged on the microporous array region 1114 to heat and atomize the aerosol-generation substance, and the positive electrode 113 and the negative electrode 114 are arranged in the blank region 1115 on the atomizing surface 1112 to ensure the stability of the electrical connection between the positive electrode 113 and the negative electrode 114.
- microporous array region 1114 and the blank region 1115 arranged surrounding the periphery of the microporous array region 1114 are arranged on the dense substrate 111, the number of micropores 1113 on the dense substrate 111 is reduced, such that the intensity of the dense substrate 111 is improved and the costs for defining the micropores 1113 on the dense substrate 111 are reduced.
- the microporous array region 1114 in the dense substrate 111 are served as an atomizing region and covers the heating component 112 and the region around the heating component 112, that is, the microporous array region 1114 covers a region reaching a temperature for atomizing the aerosol-generation substance, such that the thermal efficiency is fully utilized.
- the region be referred to as the blank region 1115. That is, the blank region 1115 in the present disclosure is a region in which micropores 1113 can be formed but no micropore 1113 is formed, rather than a region around the microporous array region 1114 in which micropores 1113 cannot be formed.
- a blank region 1115 is arranged surrounding the microporous array region 1114 only when a distance between a micropore 1113 that is closest to the boundary of the dense substrate 111 and the boundary of the dense substrate 111 is greater than the diameter of the dense substrate 111.
- the atomizing surface 1112 of the dense substrate 111 includes a first concave-convex structure 1116 to form the wetting structure.
- the first concave-convex structure 1116 includes a plurality of first grooves 1116a, the plurality of first grooves 1116a are fluidly coupled to the plurality of micropores 1113.
- the capillary force of the plurality of first grooves 1116a can guide the aerosol-generation substance from the plurality of micropores 1113 into the plurality of first grooves 1116a, and a part of the heating film (the heating component 112) is deposited in the plurality of first grooves 1116a.
- the plurality of first grooves 1116a crosses the microporous array region 1114.
- the atomizing surface 1112 includes the plurality of first grooves 1116a, and the aerosol-generation substance may be stored in the plurality of first grooves 1116a, such that the area of the atomizing surface 1112 is enlarged, and the contact area between the aerosol-generation substance and the heating film (the heating component 112) is also enlarged, thereby enlarging the effective atomizing area and being conducive to improve the atomizing efficiency.
- the aerosol-generation substance in the plurality of first grooves 1116a may not reflux to the liquid storage cavity 14, and the aerosol-generation substance in the plurality of first grooves 1116a is directly atomized, such that repeated heating is avoided, and an aerosol reduction degree is relatively high.
- a certain amount of aerosol-generation substances may be stored in the plurality of first grooves 1116a, and dry burning may not occur even if the user inversely places the electronic atomizing device and inhales for several times during next use.
- the width of the first groove 1116a ranges from 1 ⁇ m to 100 ⁇ m.
- the width of the first groove 1116a is greater than 100 ⁇ m, the capillary force of the plurality of first grooves 1116a is not strong, and the atomizing efficiency is not apparently improved.
- the width of the first groove 1116a is less than 1 ⁇ m, the flow resistance is excessively great, such that the aerosol-generation substance flows slow.
- the width of the first groove 1116a is less than or equal to 1.2 times of the diameter of the micropores 1113, thereby ensuring that the capillary force of the plurality of first grooves 1116a meets a requirement.
- the depth of the first groove 1116a ranges from 1 ⁇ m to 200 ⁇ m.
- the depth of the first groove 1116a is less than 1 ⁇ m, the capillary force of the plurality of first grooves 1116a is not strong, and the aerosol-generation substance in the plurality of micropores 1113 can be hardly guided to the plurality of first grooves 1116a, thereby leading to dry burning in the plurality of first grooves 1116a.
- the depth of the first groove 1116a is greater than 200 ⁇ m, e- liquid explosion may easily occur, the heating film (the heating component 112) can be hardly formed in the plurality of first grooves 1116a.
- the depth of the first groove 1116a ranges from 1 ⁇ m to 50 ⁇ m, such that e-liquid explosion may be prevented and the particle size of aerosols may be prevented from being excessively great.
- the depth of the first groove 1116a may range from 50 ⁇ m to 200 ⁇ m.
- the plurality of first grooves 1116a are defined parallel to each other, and the length direction of each of the plurality of first grooves 1116a is parallel to a first direction; and a first protruding bar 1116b is arranged between two adjacent first grooves 1116a (as shown in FIG. 7, FIG. 7 is a structural schematic view of a first concave-convex structure according to an embodiment of the heating body provided in FIG. 3 ).
- the first direction is a direction approaching the negative electrode 114 along the positive electrode 113.
- the plurality of micropores 1113 are defined in an array and the array includes a plurality of micropore columns parallel to the first direction, and each of the plurality of first grooves 1116a at least corresponds to one columnof the plurality of micropores parallel to the first direction.
- the first concave-convex structure 1116 includes a plurality of first grooves 1116a and a plurality of first protruding bars 1116b.
- the end openings of the plurality of micropores 1113 that are away from the liquid absorbing surface 1111 are all arranged on the bottom surfaces of the plurality of first grooves 1116a (as shown in FIG. 7 ). Or the end openings of the plurality of micropores 1113 that are away from the liquid absorbing surface 1111 are all arranged on the end surfaces of the plurality of first protruding bars 1116b that are away from the liquid absorbing surface 1111.
- some of the end openings of the plurality of micropores 1113 that are away from the liquid absorbing surface 1111 are arranged on the bottom surfaces of the plurality of first grooves 1116a, and the other end openings of the plurality of micropores 1113 that are away from the liquid absorbing surface 1111 are arranged on the end surfaces of the plurality of first protruding bars 1116b that are away from the liquid absorbing surface 1111.
- an end opening of a micropore 1113 that is away from the liquid absorbing surface 1111 is arranged on a bottom surface of each of the plurality of first grooves 1116a (as shown in FIG. 7 ). Or the end opening of the micropore 1113 that is away from the liquid absorbing surface 1111 is arranged on an end surface of each of the plurality of first protruding bars 1116b that is away from the liquid absorbing surface 1111.
- a part of the end opening of the micropore 1113 that is away from the liquid absorbing surface 1111 is arranged on the bottom surface of each of the plurality of first grooves 1116a, and the other part of the end opening of the micropore 1113 that is away from the liquid absorbing surface 1111 is arranged on the end surface of each of the plurality of first protruding bars 1116b that is away from the liquid absorbing surface 1111.
- the heating film includes a first part, a second part, and a third part.
- the first part of the heating film (the heating component 112) is arranged on the side wall and the bottom wall of each of the plurality of first grooves 1116a
- the second part is arranged on the end surface of each of the plurality of first protruding bars 1116b that is away from the liquid absorbing surface 1111
- the third part extends to the pore wall of a corresponding micropore 1113.
- the part of the heating film that is arranged on the side wall and/or the bottom wall of each of the plurality of first grooves 1116a is directly electrically connected to the positive electrode 113 and the negative electrode 114, a current flows through the part of the heating film arranged on the side wall and/or the bottom wall of each of the plurality of first grooves 1116a, such that heat may be directly generated to heat the aerosol- generation substrate in the plurality of first grooves 1116a and the plurality of micropores 1113, thereby improving the energy utilization.
- the plurality of first grooves 1116a are defined parallel to each other, and the length direction of each of the plurality of first grooves 1116a is parallel to a second direction.
- a second protruding bar 1116c is arranged between two adjacent first grooves 1116a (as shown in FIG. 8, FIG. 8 is a structural schematic view of a first concave-convex structure according to another embodiment of the heating body provided in FIG. 3 ).
- the second direction intersects with the first direction. For example, an angle between the second direction and the first direction is 90 degrees.
- the plurality of micropores 1113 are defined in an array and the array includes a plurality of micropore columns parallel to the second direction, and each of the plurality of first grooves 1116a at least corresponds to one column of the plurality of micropores parallel to the second direction.
- the first concave-convex structure 1116 includes a plurality of first grooves 1116a and a plurality of second protruding bars 1116c. It should be understood that the angle between the second direction and the first direction is not limited to 90 degrees and may also be an acute angle or an obtuse angle.
- the end openings of the plurality of micropores 1113 that are away from the liquid absorbing surface 1111 are all arranged on the bottom surfaces of the plurality of first grooves 1116a (as shown in FIG. 8 ). Or the end openings of the plurality of micropores 1113 that are away from the liquid absorbing surface 1111 are all arranged on the end surfaces of the plurality of second protruding bars 1116c that are away from the liquid absorbing surface 1111.
- an end opening of a micropore 1113 that is away from the liquid absorbing surface 1111 is arranged on a bottom surface of each of the plurality of first grooves 1116a (as shown in FIG. 8 ). Or the end opening of the micropore 1113 that is away from the liquid absorbing surface 1111 is arranged on an end surface of each of the plurality of second protruding bars 1116c that is away from the liquid absorbing surface 1111.
- a part of the end opening of the micropore 1113 that is away from the liquid absorbing surface 1111 is arranged on the bottom surface of each of the plurality of first grooves 1116a, and the other part of the end opening of the micropore 1113 that is away from the liquid absorbing surface 1111 is arranged on the end surface of each of the plurality of second protruding bars 1116c that is away from the liquid absorbing surface 1111.
- the heating film includes a first part, a second part, and a third part, the first part of the heating film (the heating component 112) is arranged on the side wall and the bottom wall of each of the plurality of first grooves 1116a, the second part is arranged on the end surface of each of the plurality of second protruding bars 1116c that is away from the liquid absorbing surface 1111, and the third part extends to the pore wall of a corresponding micropore 1113.
- the part of the heating film that is arranged on the side wall and/or the bottom wall of each of the plurality of first grooves 1116a is directly electrically connected to the positive electrode 113 and the negative electrode 114, a current flows through the part of the heating film arranged on the side wall and/or the bottom wall of each of the plurality of first grooves 1116a, such that heat may be directly generated to heat the aerosol-generation substance in the plurality of first grooves 1116a and the plurality of micropores 1113, thereby improving the energy utilization.
- the plurality of first grooves 1116a include a plurality of first sub-grooves A extending along the first direction and a plurality of second sub-grooves B extending along the second direction, and the plurality of first sub-grooves A and the plurality of second sub-grooves B are defined in an intersecting manner.
- a bump 1116d is arranged between two adjacent first sub-grooves A and between two adjacent second sub-grooves B (as shown in FIG. 9, FIG. 9 is a structural schematic view of a first concave-convex structure according to still another embodiment of the heating body provided in FIG. 3 ).
- the first direction is a direction approaching the negative electrode 114 along the positive electrode 113, and the second direction intersects with the first direction.
- an angle between the second direction and the first direction is 90 degrees.
- the first concave-convex structure 1116 includes a plurality of first sub-grooves A, a plurality of second sub-grooves B, and a plurality of bumps 1116d. It can be understood that, the angle between the second direction and the first direction is not limited to 90 degrees and may also be an acute angle or an obtuse angle.
- the plurality of first sub-grooves A and the plurality of second sub-grooves B are communicated in an intersecting manner to form a mesh structure.
- the end openings of the plurality of micropores 1113 that are away from the liquid absorbing surface 1111 are all arranged on the bottom surfaces of the plurality of first grooves 1116a (as shown in FIG. 9 ). Or the end openings of the plurality of micropores 1113 that are away from the liquid absorbing surface 1111 are all arranged on the end surfaces of the plurality of bumps 1116d that are away from the liquid absorbing surface 1111.
- some of the end openings of the plurality of micropores 1113 that are away from the liquid absorbing surface 1111 are arranged on the bottom surfaces of the plurality of first grooves 1116a, and the other end openings of the plurality of micropores 1113 that are away from the liquid absorbing surface 1111 are arranged on the end surfaces of the plurality of bumps 1116d that are away from the liquid absorbing surface 1111.
- an end opening of a micropore 1113 that is away from the liquid absorbing surface 1111 is arranged on a bottom surface of each of the plurality of first grooves 1116a (as shown in FIG. 9 ). Or the end opening of the micropore 1113 that is away from the liquid absorbing surface 1111 is arranged on an end surface of each of the plurality of bumps 1116d that is away from the liquid absorbing surface 1111.
- a part of the end opening of the same micropore 1113 that is away from the liquid absorbing surface 1111 is arranged on the bottom surface of each of the plurality of first grooves 1116a, and the other part of the end opening of the same micropore 1113 that is away from the liquid absorbing surface 1111 is arranged on the end surface of each of the plurality of bumps 1116d that is away from the liquid absorbing surface 1111.
- the plurality of first sub-grooves A cooperate with the plurality of second sub-grooves B to form a plurality of bumps 1116d arranged in an array.
- the plurality of micropores 1113 are arranged in an array and the array includes a plurality of micropore columns parallel to the first direction and a plurality of micropore columns parallel to the second direction.
- An extending direction of each of the plurality of first sub-grooves A is parallel to the first direction, and each of the plurality of first sub-grooves A at least corresponds to one column of the plurality of micropores parallel to the first direction.
- each of the plurality of second sub-grooves B is parallel to the second direction, and each of the plurality of second sub-grooves B at least corresponds to one column of the plurality of micropores parallel to the second direction.
- the plurality of first sub-grooves A and the plurality of second sub-grooves B are communicated in an intersecting manner to form a mesh structure.
- the plurality of micropores 1113 are arranged in an array.
- the end openings of the plurality of micropores 1113 that are away from the liquid absorbing surface 1111 are all arranged on the bottom surfaces of the plurality of first grooves 1116a.
- Each of the plurality of first sub-grooves A corresponds to one column of the plurality of micropores parallel to the first direction
- each of the plurality of second sub-grooves B corresponds to one column of the plurality of micropores parallel to the second direction.
- a plurality of rows of bumps 1116d and a plurality of rows of micropores 1113 are arranged alternately, and a plurality of columns of bumps 1116d and a plurality of columns of micropores 1113 are arranged alternately (as shown in FIG. 9 ).
- the heating film includes a first part, a second part, a third part, and a fourth part.
- the first part of the heating film (the heating component 112) is arranged on a side wall and a bottom wall of each of the plurality of first sub-grooves A
- the second part is arranged on a side wall and a bottom wall of each of the plurality of second sub-grooves B
- the third part is arranged on the end surface of each of the plurality of bumps 1116d that is away from the liquid absorbing surface 1111
- the fourth part extends to a pore wall of a corresponding micropore 1113 (as shown in FIG. 6 ).
- the part of the heating film that is arranged on the side wall and/or the bottom wall of each of the plurality of first grooves 1116a is directly electrically connected to the positive electrode 113 and the negative electrode 114, a current flows through the part of the heating film arranged on the side wall and/or the bottom wall of each of the plurality of first grooves 1116a, such that heat may be directly generated to heat the aerosol-generation substance in the plurality of first grooves 1116a and the plurality of micropores 1113, thereby improving the energy utilization.
- the heating film when the atomizing surface of the heating body is a smooth surface and a heating film is formed on the atomizing surface through a physical vapor deposition process, the heating film includes a plane heating film, an in-hole heating film, and a corner connection region heating film.
- the plane heating film is arranged on the atomizing surface, the in-hole heating film is arranged in each of the plurality of micropores, and the corner connection region heating film connects the plane heating film and the in-hole heating film.
- the in-hole heating film is a heat conduction region.
- the in-hole heating film is a heat conduction region, such that the energy utilization of the heating film is relatively low, which is intuitively presented as a small atomizing amount.
- heat dissipation is only performed on the in-hole heating film to implement heat dissipation on the entire heating film, such that a problem such as a risk of dry burning or burnout is synchronously caused.
- a wetting structure is configured as the atomizing surface 1112 of the dense substrate 111.
- the atomizing surface 1112 includes the first concave-convex structure 1116, and the heating film (the heating component 112) is also formed on the side wall and the bottom wall of each of the plurality of first grooves 1116a of the first concave-convex structure 1116, such that the effective heating area of the heating component 112 is enlarged, thereby improving the energy utilization.
- a part of the aerosol-generation substance is guided by the plurality of first grooves 1116a to the grooves for atomization, thereby being conducive to improve the atomizing efficiency.
- the aerosol-generation substance in the plurality of micropores may be effectively prevented from being emptied instantly due to excessive atomization in the plurality of micropores, and a sound of air-back of inhalation caused by intaking air may be effectively avoided.
- the contact area between the aerosol-generation substance and the heating component 112 is enlarged through the first concave-convex structure 1116, such that a heat dissipation area of the heating component 112 is enlarged, thereby effectively preventing dry burning.
- the inventor further found that compared with a case that the atomizing surface is a smooth surface and the heating film is deposited on the smooth surface, the vaporization surface 1112 being a wetting structure and the heating film being deposited on a coarse surface may apparently increases the atomizing amount.
- the atomizing amount is increased from 6.2 mg/puff to 8.5 mg/puff.
- dirt accumulation is also apparently reduced, and the taste and sweetness of aerosols are also improved.
- a shape of a longitudinal section of each of the plurality of first grooves 1116a is a rectangle, a triangle, a circle, an arc, V/U, or Q, which is specifically designed as required.
- the longitudinal section refers to a section along a direction perpendicular to the dense substrate 111.
- the first concave-convex structure 1116 on the atomizing surface 1112 may cover a region on which the heating film (the heating component 112) is arranged. Or the first concave-convex structure 1116 on the atomizing surface 1112 may only cover a part of the region on which the heating film (the heating component 112) is arranged. Or the first concave-convex structure 1116 on the atomizing surface 1112 may cover a part of the region on which the heating film (the heating component 112) is arranged and cover a part of the blank region 1115. In this way, the energy utilization of the heating component 112 may be improved to some extent.
- the atomizing surface 1112 is configured as a frosted structure or a sandblasting structure to form a wetting structure, and same technical effects may be implemented when compared with the wetting structure formed by the first concave-convex structure 1116 included by the atomizing surface 1112, which are not described herein again.
- FIG. 10 is a structural schematic view of a heating body according to a second embodiment of the atomizer provided in FIG. 2 .
- Structures of the heating body 11 provided in FIG. 10 and the heating body 11 provided in FIG. 3 are substantially the same, and a difference lies in different structures of the liquid absorbing surface 1111 of the dense substrate 111. For the same parts of the heating body 11, details are not described herein again.
- the liquid absorbing surface 1111 includes a second concave-convex structure 1117
- the second concave-convex structure 1117 includes a plurality of second grooves 1117a; and for a specific arrangement manner of the second concave-convex structure 1117, reference may be made to the specific arrangement manner of the first concave-convex structure 1116, and details are not described herein again.
- the plurality of second grooves 1117a are fluidly coupled to the plurality of micropores 1113.
- the present disclosure further provides a heating body 11.
- a structure of the heating body 11 is substantially the same as the structure of the heating body 11 provided in FIG. 3 , and a difference lies in different structures of the heating component 112.
- the heating component 112 is a heating film
- the heating film is a lipophilic structure and/or the surface of the heating film that is away from the dense substrate 111 includes a frosted structure or a sandblasting structure, such that a contact angle is small and the wettability is high, thereby being conducive to improve the energy utilization and the atomizing efficiency.
- the dense substrate is quartz glass
- the thickness of the dense substrate is 400 ⁇ m
- the diameter of the micropore is 40 ⁇ m
- a distance between two adjacent pores is 80 ⁇ m
- the heating film is a thin film
- the power of the heating film is 6.5 W
- the inventor performs atomizing amount comparison experiment on heating bodies (referring to FIG. 4 ) whose atomizing surface is a smooth surface and whose atomizing surface is defined a plurality of grooves.
- the depth of the groove ranges from 15 ⁇ m to 25 ⁇ m
- the width of the groove ranges from 30 ⁇ m to 40 ⁇ m
- a result indicates that the atomizing amount is increased from 6.2 mg/per inhalation to 7.6 mg/per inhalation. That is, in a case that other conditions remain unchanged, by defining grooves on the atomizing surface of the dense substrate and arranging a part of the heating component in the grooves, the thermal utilization and the atomizing amount may be greatly improved.
- FIG. 11 is a structural schematic view of a heating body according to a third embodiment of the atomizer provided in FIG. 2 .
- FIG. 11 Structures of the heating body 11 provided in FIG. 11 and the heating body 11 provided in FIG. 3 are substantially the same, and a difference lies in that the heating body 11 provided in FIG. 11 further includes a first protective film 115 and a second protective film 116. For the same parts of the two heating body, details are not described herein again.
- the first protective film 115 is arranged on the surface of the heating component 112 that is away from the dense substrate 111, and the material of the first protective film 115 is a non-conductive material which can resist corrosion of the aerosol-generation substance.
- the second protective film 116 is arranged on surfaces of the positive electrode 113 and the negative electrode 114 that are away from the dense substrate 111, and the material of the second protective film 116 is a conductive material which can resist corrosion of the aerosol-generation substance.
- the first protective film 115 and the second protective film 116 effectively prevents corrosion of the aerosol-generation substance on the heating component 112, the positive electrode 113, and the negative electrode 114, thereby being conducive to improve the service life of the heating body 11.
- the material of the first protective film 115 is ceramic or glass. Since the material of the heating component 112 is metal, the thermal expansion coefficient of ceramic or glass matches the thermal expansion coefficient of the metal heating component 112, and the adhesion of ceramic or glass matches the adhesion of the metal heating component 112. Ceramic or glass is used as the first protective film 115, such that the first protective film 115 can hardly fall off a heating portion 1121, such that the heating portion is well protected.
- the material of the first protective film 115 is ceramic
- the material of the ceramic may be one or more of aluminum nitride, silicon nitride, aluminum oxide, silicon oxide, silicon carbide, or zirconium oxide, which is specifically selected as required.
- the thickness of the first protective film 115 ranges from 10 nm to 1000 nm.
- the thickness of the second protective film 116 ranges from 10 nm to 2000 nm.
- the material of the second protective film 116 is conductive ceramic or metal.
- the second protective film 116 is made of a conductive material, such that the second protective film 116 does not affect the electrical connection between the positive electrode 113 and the power supply assembly 2 and the electrical connection between the negative electrode 114 and the power supply assembly 2 while protecting the positive electrode 113 and the negative electrode 114 from corrosion of the aerosol-generation substance.
- Conductive ceramic or metal is used as the second protective film 116, which is conducive to reduce contact resistance.
- the material of the second protective film 116 is conductive ceramic
- the material of the conductive ceramic is one or more of titanium nitride and titanium diboride. It should be understood that conductive ceramic has better corrosion resistance of aerosol-generation substance than metal.
- FIG. 12 is a structural schematic view of a heating body according to a fourth embodiment of the atomizer provided in FIG. 2 .
- the material of the liquid guiding member 117 is a porous material, such as porous ceramic or a cotton core, etc.
- the material of the liquid guiding member 117 is dense, such as dense ceramic or glass, etc.
- a plurality of through holes are defined in the liquid guiding member 117, and the plurality of through holes have the capillary force.
- the liquid guiding member 117 is in contact with the liquid absorbing surface 1111 of the dense substrate 111 (as shown in FIG. 12 ).
- the aerosol-generation substance is guided to the liquid absorbing surface 1111 of the dense substrate 111 through the capillary force of the liquid guiding member 117.
- the liquid guiding member 117 and the liquid absorbing surface 1111 of the dense substrate 111 are arranged opposite to each other and spaced apart to form a gap (not shown in the drawing).
- the aerosol-generation substance is guided to the gap through the capillary force of the liquid guiding member 117, and then enters the liquid absorbing surface 1111 of the dense substrate 111.
- liquid guiding member 117 By arranging the liquid guiding member 117 on one side of the liquid absorbing surface 1111 of the dense substrate 111, a liquid supplying speed is further controlled.
- FIG. 13 is a structural schematic view of a heating body according to a fifth embodiment of the atomizer provided in FIG. 2 .
- the plurality of transverse holes 1118 fluidly couples the plurality of micropores 1113.
- the axis of each of the plurality of transverse holes 1118 intersects with the axis of each of the plurality of micropores 1113.
- the axis of each of the plurality of transverse holes 1118 is perpendicular to the axis of each of the plurality of micropores 1113.
- the plurality of micropores 1113 and the plurality of transverse holes 1118 form a mesh microfluidic channel, and bubbles may enter the plurality of micropores 1113 during atomization.
- bubbles entering the heating body 11 through adjacent micropores 1113 may be prevented from being connected, namely, bubbles entering the heating body 11 through adjacent micropores 1113 may be prevented from being growing up.
- the plurality of transverse holes 1118 may supplement aerosol-generation substances to the blocked micropores 1113, such that e-liquid is supplied to the atomizing surface 1112 in time, thereby preventing dry burning.
- the plurality of transverse holes 1118 further have a liquid storage function, thereby avoiding burnout when the user inversely places the electronic atomizing device and inhales for at least two times.
- heating body 11 of the first embodiment may be randomly combined as required.
Landscapes
- Special Spraying Apparatus (AREA)
- Nozzles (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2022/092856 WO2022179641A2 (fr) | 2022-05-13 | 2022-05-13 | Corps chauffant, atomiseur et dispositif d'atomisation électronique |
Publications (2)
Publication Number | Publication Date |
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EP4159057A2 true EP4159057A2 (fr) | 2023-04-05 |
EP4159057A4 EP4159057A4 (fr) | 2023-09-20 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP22759005.6A Pending EP4159057A4 (fr) | 2022-05-13 | 2022-05-13 | Corps chauffant, atomiseur et dispositif d'atomisation électronique |
Country Status (4)
Country | Link |
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US (1) | US20230363455A1 (fr) |
EP (1) | EP4159057A4 (fr) |
CN (2) | CN218185267U (fr) |
WO (1) | WO2022179641A2 (fr) |
Families Citing this family (3)
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WO2024050719A1 (fr) * | 2022-09-07 | 2024-03-14 | 深圳麦克韦尔科技有限公司 | Ensemble de chauffage, atomiseur et dispositif d'atomisation électronique |
CN116033639B (zh) * | 2023-02-15 | 2024-04-05 | 上海超群检测科技股份有限公司 | X射线源的内置式液冷循环系统 |
CN118526014A (zh) * | 2023-02-23 | 2024-08-23 | 思摩尔国际控股有限公司 | 发热膜、雾化组件、雾化器及电子雾化装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10306930B2 (en) * | 2017-06-15 | 2019-06-04 | Joyetech Europe Holding Gmbh | Heating device, and atomizing head, atomizer and electronic cigarette having the same |
CN108185536B (zh) * | 2018-02-13 | 2020-01-21 | 深圳麦克韦尔科技有限公司 | 电子烟及其雾化器 |
CN210929637U (zh) * | 2019-08-06 | 2020-07-07 | 常州市派腾电子技术服务有限公司 | 雾化器及电子烟 |
CN110934343A (zh) * | 2019-11-25 | 2020-03-31 | 深圳麦克韦尔科技有限公司 | 发热体组件及其制作方法、电子雾化装置 |
WO2021142640A1 (fr) * | 2020-01-15 | 2021-07-22 | 深圳麦克韦尔科技有限公司 | Dispositif d'atomisation électronique et atomiseur et ensemble d'atomisation associés |
CN112021672A (zh) * | 2020-08-31 | 2020-12-04 | 深圳麦克韦尔科技有限公司 | 一种电子雾化组件及其装置 |
WO2022056865A1 (fr) * | 2020-09-18 | 2022-03-24 | 深圳麦克韦尔科技有限公司 | Dispositif d'atomisation électronique et élément chauffant, noyau d'atomisation, et atomiseur associés |
CN114365870B (zh) * | 2020-10-15 | 2024-01-16 | 深圳麦克韦尔科技有限公司 | 雾化组件及电子雾化装置 |
WO2022077359A1 (fr) * | 2020-10-15 | 2022-04-21 | 深圳麦克韦尔科技有限公司 | Ensemble d'atomisation et dispositif d'atomisation électronique |
CN215992753U (zh) * | 2021-08-31 | 2022-03-11 | 常州市派腾电子技术服务有限公司 | 雾化芯、雾化器及气溶胶发生装置 |
EP4205582A4 (fr) * | 2021-12-30 | 2023-12-20 | Shenzhen Smoore Technology Limited | Ensemble de chauffage, atomiseur et dispositif d'atomisation électronique |
-
2022
- 2022-05-13 CN CN202290000076.2U patent/CN218185267U/zh active Active
- 2022-05-13 EP EP22759005.6A patent/EP4159057A4/fr active Pending
- 2022-05-13 WO PCT/CN2022/092856 patent/WO2022179641A2/fr unknown
- 2022-10-24 CN CN202211305802.4A patent/CN117044999A/zh active Pending
- 2022-12-30 US US18/091,958 patent/US20230363455A1/en active Pending
Also Published As
Publication number | Publication date |
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CN218185267U (zh) | 2023-01-03 |
WO2022179641A3 (fr) | 2022-11-24 |
US20230363455A1 (en) | 2023-11-16 |
EP4159057A4 (fr) | 2023-09-20 |
WO2022179641A2 (fr) | 2022-09-01 |
CN117044999A (zh) | 2023-11-14 |
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