WO2024032143A1 - Élément chauffant, noyau d'atomisation, atomiseur et dispositif d'atomisation électronique - Google Patents

Élément chauffant, noyau d'atomisation, atomiseur et dispositif d'atomisation électronique Download PDF

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Publication number
WO2024032143A1
WO2024032143A1 PCT/CN2023/100125 CN2023100125W WO2024032143A1 WO 2024032143 A1 WO2024032143 A1 WO 2024032143A1 CN 2023100125 W CN2023100125 W CN 2023100125W WO 2024032143 A1 WO2024032143 A1 WO 2024032143A1
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WIPO (PCT)
Prior art keywords
heating layer
heating
heating element
layer
atomization
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PCT/CN2023/100125
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English (en)
Chinese (zh)
Inventor
张钊
林浩
王丽波
罗洪梁
肖从文
Original Assignee
深圳麦克韦尔科技有限公司
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Publication of WO2024032143A1 publication Critical patent/WO2024032143A1/fr

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • 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
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts

Definitions

  • the present application relates to the technical field of atomization devices, and in particular to a heating element, an atomization core, an atomizer and an electronic atomization device.
  • a heating element is usually attached to a porous substrate, and the heating element is used to generate the energy required for atomization.
  • the heating element can also use a porous heating element with a pore structure.
  • the pore structure can increase the atomization surface and realize the liquid conduction and liquid storage function, thereby producing a larger The amount of smoke is reduced, and the atomization temperature field is more uniform.
  • a heating element an atomization core, an atomizer and an electronic atomization device are provided.
  • the present application provides a heating element, including a stacked first heating layer and a second heating layer.
  • the porosity and pore density of the first heating layer are both smaller than that of the second heating layer.
  • the first heat-generating layer has a porosity of approximately 0% to 30%.
  • the second heat-generating layer has a porosity of about 30% to 70%.
  • a plurality of first micropores are opened in the second heat-generating layer along its thickness direction.
  • the second heat-generating layer is a metal heat-generating layer.
  • the material of the first heating layer includes at least one of a metallic material and a ceramic material.
  • a plurality of second micropores are opened on the first heating layer along its thickness direction, and each second micropore is connected to at least part of the first micropores.
  • the heating element includes a filler, and the filler is filled in each second micropore that is connected to the first micropore.
  • the first heating layer is a metal heating layer
  • the filler material includes metal materials and ceramic materials. at least one of them.
  • the filler has a thermal conductivity greater than or equal to 10 W/(m ⁇ K).
  • the filler material includes one or more of aluminum oxide, boron nitride, and silicon carbide.
  • the present application provides an atomization core, which includes a porous base and a heating element as described above.
  • the heating element is stacked on at least one surface of the porous base.
  • the present application provides an atomizer, including the atomizing core as described above.
  • the present application provides an electronic atomization device, including a power supply component and an atomizer as described above.
  • the power supply component is used to supply power to the atomizer.
  • the surface of the second heating layer in the heating element facing away from the first heating layer can be connected to the porous matrix in the atomizer, and the liquid atomization in the atomizer
  • the matrix can penetrate into the second heating layer to achieve the effect of increasing the atomization surface, making the atomization more complete to generate a larger amount of smoke, and making the atomization temperature field more sufficient; on this basis, the first heating layer It can prevent the liquid atomization matrix from penetrating the second heating layer and preventing the liquid atomization matrix from seeping out from the contact surface between the second heating layer and the first heating layer. Therefore, it can avoid the liquid atomization matrix from exploding on the second heating layer. Liquid and collapse problems can be solved, thereby effectively improving the user experience.
  • Figure 1 is a schematic structural diagram of a heating element according to one embodiment of the present application.
  • Figure 2 is a schematic structural diagram of a heating element according to another embodiment of the present application.
  • Figure 3 is a physical diagram of a heating element with a through-hole structure in the prior art
  • FIG. 4 is a physical diagram of the heating element in an embodiment of the present application.
  • Figure 5 is a partial enlarged view of position A of the heating element of the embodiment in Figure 4;
  • Figure 6 is an A-A cross-sectional view of the heating element of the embodiment in Figure 4.
  • FIG. 7 is a physical diagram of the heating element in another embodiment of the present application.
  • Figure 8 is a partial enlarged view of position B of the heating element in the embodiment of Figure 7;
  • FIG. 9 is a B-B cross-sectional view of the heating element of the embodiment in FIG. 7 .
  • Heating element 100. Heating element; 10. First heating layer; 20. Second heating layer; 30. Filler; 40. Porous matrix; 11. Second micropores; 21. First micropores; a. Thickness direction.
  • an embodiment means that a particular feature, structure or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application.
  • the appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art understand, both explicitly and implicitly, that the embodiments described herein may be combined with other embodiments.
  • multiple refers to more than two (including two).
  • multiple groups refers to two or more groups (including two groups), and “multiple pieces” refers to It is more than two pieces (including two pieces).
  • a heating element is attached to a porous matrix, and the heating element can generate the energy required for atomization.
  • the heating element uses a porous heating element with a pore structure.
  • the pore structure of the heating element makes the heating element It has a larger atomization surface and can realize liquid conduction and liquid storage functions, thereby producing a larger amount of smoke and making the atomization temperature field more uniform.
  • the inventor found that when the heating element is attached to the porous substrate, the pore structure of the heating element has a large number of through holes, which are through holes that penetrate at least two surfaces.
  • the liquid atomization matrix inside the atomizer can enter the interior of the heating element through the through hole and be quickly directed to the surface of the heating element.
  • the temperature of the liquid atomization matrix close to the inner wall of the through hole changes rapidly.
  • the temperature of the liquid atomization matrix located in the central area of the through hole changes slowly because it is far away from the inner wall of the through hole.
  • part of the liquid atomization matrix in the through hole has no time to atomize, resulting in the phenomenon of liquid explosion and liquid collapse.
  • the liquid atomization matrix in the through holes can be directly transmitted through the through holes, but the temperature of part of the liquid atomization matrix directly transmitted through the through holes is low, which is not conducive to full atomization.
  • the present application provides a heating element, which can connect the side of the second heating layer away from the first heating layer in the heating element with the porous matrix.
  • the liquid atomization matrix in the atomizer can penetrate into the second heating layer, thereby increasing the atomization surface and achieving the effects of full atomization, rapid liquid conduction and liquid storage.
  • the first heating layer can prevent the liquid atomization matrix in the second heating layer from penetrating the second heating layer, thereby preventing the liquid atomization matrix from being on the side surface of the second heating layer that contacts the first heating layer. The phenomenon of liquid explosion and collapse is produced to improve the user experience.
  • an embodiment of the present invention provides a heating element 100, which includes a stacked first heating layer 10 and a second heating layer 20, wherein the porosity and pore density of the first heating layer 10 are smaller than those of the second heating layer 10. Heating layer 20.
  • porosity refers to the ratio of the pore volume of a porous material to the total volume of the material.
  • the porosity of the first heating layer 10 refers to the ratio of the pore volume of the first heating layer 10 to the total volume of the first heating layer 10 .
  • the porosity of the second heating layer 20 refers to the ratio of the pore volume of the second heating layer 20 to the total volume of the second heating layer 20 . Therefore, in the present invention, the porosity of the first heating layer 10 is smaller than the porosity of the second heating layer 20 , which has the advantage of reducing the amount of liquid stored in the pores of the first heating layer 10 and avoiding excessive liquid storage during the heating process.
  • the liquid flows to its atomized surface, reducing the thickness of the oil film.
  • the above-mentioned pores are based on the microscopic perspective of the first heating layer 10 and the second heating layer 20 , that is, the pore diameter unit of the pores on the first heating layer 10 and the second heating layer 20 is micron level.
  • the pore diameter range can be set to 1 ⁇ m-50 ⁇ m.
  • the pore density refers to the average number of pores per unit volume of the first heating layer 10 or the second heating layer 20 . Therefore, if the pore density of the first heating layer 10 is smaller than the pore density of the second heating layer 20 , it means that the distribution of pores on the first heating layer 10 is relatively sparse, while the distribution of pores on the second heating layer 20 is relatively dense.
  • the side of the second heating layer 20 facing away from the first heating layer 10 can be connected to the porous base of the atomizer, that is, the side of the second heating layer 20 facing away from the first heating layer 10 can be connected to the porous base of the atomizer.
  • the surface of layer 10 is attached to the porous substrate.
  • the liquid atomization matrix can penetrate into the surface of the porous substrate, and part of the liquid atomization matrix penetrates into the interior of the second heating layer 20 through the pores in the second heating layer 20 .
  • the contact area between the liquid atomization matrix and the heating element 100 is larger, and the atomization surface is larger, thereby making the atomization more complete.
  • the liquid atomization matrix inside the second heating layer 20 is blocked by the first heating layer 10 inside the heating element 100 to prevent the liquid atomization matrix from seeping out of the second heating layer 20 .
  • This can prevent the liquid atomization matrix from exploding or collapsing on the surface of the second heating layer 20 , effectively improving the user experience during use.
  • This application improves the structure of the heating element 100, which has a simple structure and strong operability. It can effectively solve the problems of liquid explosion and liquid collapse on the basis of ensuring sufficient atomization, and improve the user's experience during use.
  • the porosity of the first heating layer 10 is about 0% to 30%, and the porosity of the second heating layer 20 is about 30% to 70%.
  • the first heating layer 10 When the porosity of the first heating layer 10 is 0 or approaches 0, the first heating layer 10 is constructed as a dense film layer. At this time, the first heating layer 10 can react with the liquid in the pores of the second heating layer 20 The atomized matrix plays a blocking role, which can prevent the liquid atomized matrix from exploding or collapsing on the surface of the second heating layer 20, effectively improving the user's experience during use.
  • the porosity of the first heating layer 10 when the porosity of the first heating layer 10 is not equal to 0, the porosity of the first heating layer 10 is between 0% and 30%.
  • the liquid atomization matrix in the pores of the second heating layer 20 usually has a certain viscosity. Therefore, although the porosity of the first heating layer 10 is not 0, the fine pores on the first heating layer 10 can still affect the second heating layer 20 .
  • the liquid atomization matrix in the pores of the heating layer 20 plays a certain blocking role.
  • the specific porosity of the first heating layer 10 can be adjusted according to actual factors such as the viscosity of the liquid atomization matrix and the capacity of the liquid atomization matrix in the pores of the second heating layer 20, so that the first heating layer 10 can
  • the liquid atomization matrix in the pores of the heating layer 20 plays a good blocking role and will not be described in detail here.
  • a plurality of first micropores 21 are formed on the second heat-generating layer 20 along its thickness direction.
  • the first micropores 21 can be used to store the liquid atomization matrix that penetrates from the porous matrix into the second heating layer 20 , and can also play a certain role in conducting liquid for the liquid atomization matrix in the second heating layer 20 .
  • the contact area between the liquid atomization matrix and the second heating layer 20 is larger, that is, the atomization surface is larger, thereby generating a larger amount of smoke. , and make the atomization temperature field more uniform.
  • the second heat-generating layer 20 is a metal heat-generating layer. That is, the second heating layer 20 is made of metal material. Specifically, the second heating layer 20 can be made of, but is not limited to, nickel alloy or nickel-iron alloy. The second heating layer 20 is made of metal, which can improve the heat conduction effect of the second heating layer 20 to the liquid atomization matrix inside. In some embodiments, the material of the first heating layer 10 includes at least one of a metallic material and a ceramic material.
  • the first heat-generating layer 10 When the porosity of the first heat-generating layer 10 is equal to 0 or approaches 0, that is, the first heat-generating layer 10 is configured as a dense film layer.
  • the first heating layer 10 may be made of, but is not limited to, metals such as nickel alloy or nickel-iron alloy.
  • the first heating layer 10 may also be made of, but is not limited to, high thermal conductive ceramics such as aluminum oxide or boron nitride.
  • the specific material formula of the first heating layer 10 can be adjusted according to the actual heat conduction, oil supply and other effects, and will not be described in detail here.
  • a plurality of second micropores 11 are opened on the first heating layer 10 along its thickness direction, and each second micropore is The hole 11 is connected with at least part of the first micropores 21 .
  • a plurality of second micropores 11 can be opened on the first heating layer 10 along its thickness direction.
  • the second micropores 11 are connected with at least part of the first micropores 21.
  • the heating element 100 includes a filler 30 filled in each second micropore 11 that is connected to the first micropore 21 .
  • the first micropores 11 When the second micropores 11 are opened in the first heat-generating layer 10 , the first micropores 11 connected with each second micropore 11 are filled with the filler 30 . As a result, the first micropores 11 on the first heat-generating layer 10 are sealed.
  • the first heating layer 10 is stacked on the second heating layer 20 , the end connecting the first micropore 11 and the second micropore 21 is sealed, so that the first heating layer 10 can react with the liquid in the first micropore 11
  • the atomized matrix plays a good blocking role, preventing the liquid atomized matrix from exploding or collapsing on the surface of the second heating layer 20, effectively improving the user's experience during use.
  • the first heating layer 10 is a metal heating layer
  • the material of the filler 30 includes at least one of a metal material and a ceramic material.
  • the first heating layer 10 can be made of, but is not limited to, nickel alloy or nickel-iron alloy.
  • the composition of the filler 30 may include a highly thermally conductive metal material different from the first heat-generating layer 10 , such as aluminum oxide.
  • the components of the filler 30 may also include high melting point ceramic slurry such as silicon carbide or boron oxide.
  • the thermal conductivity of the filler 30 is greater than or equal to 10 W/(m ⁇ K).
  • the thermal conductivity of the filler 30 can be set to 30W/(m ⁇ K)-300W/(m ⁇ K).
  • the filler 30 has a high thermal conductivity effect, thereby making the atomization temperature field more evenly distributed and making the atomization more complete.
  • the material of the filler 30 includes one or more of aluminum oxide, boron nitride, and silicon carbide. As a result, the thermal conductivity of the filler 30 can be effectively improved.
  • a plurality of first micropores 21 are opened on the second heating layer 20 along its thickness direction, and the porosity is 30% to 70%.
  • the porosity of the first heating layer 10 is equal to 0 or approaches 0, that is, the first heating layer 10 is constructed as a dense film layer.
  • the second heat-generating layer 20 is configured as a metal heat-generating layer.
  • the first heating layer 10 is made of metal such as nickel alloy or nickel-iron alloy as a dense film layer, and is stacked on the second heating layer 20 to achieve a blocking effect on the liquid atomization matrix in the first micropores 21 .
  • the raw material slurry of the first heating layer 10 can be covered on the second heating layer 20 by silk printing, and then sintered to form, so that the first heating layer 10 can be formed on the second heating layer 20 A dense film layer is formed on one side to block one end of the first micropore 21 .
  • the first heat-generating layer 10 can also be formed into a cast film so that it is closely attached to one side of the second heat-generating layer 20 .
  • the first heat-generating layer 10 is formed into a cast film and is laser cut. After laser cutting The first heating layer 10 is attached to one side of the second heating layer 20, and the stacked first heating layer 10 and the second heating layer 20 are sintered to tightly connect them. Therefore, one end of the first micropore 21 is effectively blocked by the first heat-generating layer 10 .
  • a plurality of first micropores 21 are opened on the second heating layer 20 along its thickness direction, and the porosity is 30% to 70%.
  • the porosity of the first heating layer 10 is equal to 0 or approaches 0, that is, the first heating layer 10 is constructed as a dense film layer.
  • the second heat-generating layer 20 is configured as a metal heat-generating layer.
  • the first heating layer 10 is constructed as a dense film layer using highly thermally conductive ceramic materials such as aluminum oxide or boron nitride, and is stacked on the second heating layer 20 to atomize the liquid in the first micropores 21 The blocking effect of the matrix.
  • the first heating layer 10 can be covered on the second heating layer 20 by silk screen printing, so that the first heating layer 10 forms a dense film layer on one side of the second heating layer 20. To block one end of the first microhole 21 .
  • the first heat-generating layer 10 can also be formed into a cast film so that it is closely attached to one side of the second heat-generating layer 20 .
  • the first heat-generating layer 10 is formed into a cast film and is laser cut.
  • the laser-cut first heating layer 10 is bonded to one side of the second heating layer 20 , and the stacked first heating layer 10 and the second heating layer 20 are sintered to tightly connect them. Therefore, one end of the first micropore 21 is effectively blocked by the first heat-generating layer 10 .
  • the first heating layer 10 is configured as a dense film layer.
  • Figure 4 is a physical diagram of the heating element in one embodiment of the present application.
  • FIG. 5 shows a partial enlarged view of position A in FIG. 4. It can be seen from FIG. 5 that the first heating layer 10 located on the uppermost layer is constructed as a dense film layer. Therefore, the first heat-generating layer 10 can cover the second heat-generating layer 20 and block one end of each first micropore 21 in the second heat-generating layer 20 .
  • FIG. 6 shows a cross-sectional view along the A-A direction in FIG. 4.
  • the interior of the second heating layer 20 still maintains a porous state.
  • the liquid atomization matrix enters the second heat-generating layer 20 from the first micropores 21, so that the contact area between the liquid atomization matrix and the second heat-generating layer 20 is larger, that is, the atomization surface is larger, so that more heat can be generated. Large amount of smoke, and make the atomization temperature field more uniform.
  • the end of the first micropore 21 facing away from the porous matrix 40 is sealed by the first heating layer 10 to prevent the liquid atomization matrix in the first micropore 21 from causing liquid explosion or collapse on the surface of the second heating layer 20, which is effective. Improve user experience when using.
  • a plurality of first micropores 21 are opened on the second heating layer 20 along its thickness direction, and the porosity is 30% to 70%.
  • the first heating layer 10 has a plurality of second micropores 11 penetrating along its thickness direction, and each second micropore 11 is connected to at least part of the first micropores 21 .
  • the second heat-generating layer 20 is configured as a metal heat-generating layer.
  • the first heating layer 10 is made of metal materials such as nickel alloy or nickel-iron alloy, and fillers 30 are filled in each second micropore 11 on the first heating layer 10 .
  • Alumina may be added to the components of the filler 30 , and the volume proportion of aluminum oxide in the filler 30 is 10%-30%. Therefore, when the filler 30 is filled in each second micropore 11 on the first heating layer 10, the heat dissipation effect of the first heating layer 10 can be effectively improved, the atomization temperature field distribution is more uniform, and the atomization is more precise. for fullness.
  • the filler 30 can be coated on the side surface of the first heating layer 10 away from the second heating layer 20 using silk screen printing, and vacuum suction can be used to remove the first heating layer 10 .
  • the filler 30 on the surface of the layer 10 is adsorbed into the second micropores 11 so that the second micropores 11 are sealed to block the liquid atomized matrix in the first micropores 21 that are connected to the second micropores 11 .
  • the depth of the filler 30 penetrating into the second micropores 11 can be controlled by controlling the particle size adjustment of the filler 30 and the vacuum negative pressure, thereby adjusting the filler 30
  • the degree of sealing of the first heating layer 10 achieves effective sealing of one end of the first micropore 21 .
  • Embodiment 4 of the present application a plurality of first micropores 21 are opened on the second heating layer 20 along its thickness direction, and the porosity is 30% to 70%.
  • the first heating layer 10 has a plurality of second micropores 11 penetrating along its thickness direction, and each second micropore 11 is connected to at least part of the first micropores 21 .
  • the second heat-generating layer 20 is configured as a metal heat-generating layer.
  • the first heating layer 10 is made of metal materials such as nickel alloy or nickel-iron alloy, and fillers 30 are filled in each second micropore 11 on the first heating layer 10 .
  • high melting point ceramic slurry such as silicon carbide or boron oxide may be added.
  • the filler 30 can be coated on the side surface of the first heating layer 10 away from the second heating layer 20 using silk screen printing, and vacuum suction can be used to remove the first heating layer 10 .
  • the filler 30 on the surface of the layer 10 is adsorbed into the second micropores 11 so that the second micropores 11 are sealed to block the liquid atomized matrix in the first micropores 21 that are connected to the second micropores 11 .
  • the depth of the filler 30 penetrating into the second micropores 11 can be controlled by controlling the particle size adjustment of the filler 30 and the vacuum negative pressure, thereby adjusting the filler 30
  • the degree of sealing of the first heating layer 10 achieves effective sealing of one end of the first micropore 21 .
  • a plurality of second micropores 11 are opened through the first heat-generating layer 10 , and the filler 30 is used to seal and fill each second micropore 11 .
  • Figure 7 is a physical diagram of a heating element in another embodiment of the present application.
  • FIG. 8 shows a partial enlarged view of B in FIG. 7. It can be seen from FIG. The second micropore 11.
  • the sealing degree of the filler 30 in each second micropore 11 can be controlled according to the requirement for the final porosity of the first heating layer 10 .
  • the porosity of the first heating layer 10 in Embodiment 3 and Embodiment 4 is larger, and the porosity is between 0 and 30%. between.
  • the first heating layer 10 is covered on the second heating layer 20 , so that the first heating layer 10 can respond to the second heating layer 20 .
  • One end of each first micropore 21 in the heating layer 20 plays a blocking role.
  • the interior of the second heating layer 20 also maintains a porous state, and the liquid atomization matrix enters the second heating layer 20 from the first micropores 21, making the contact area between the liquid atomization matrix and the second heating layer 20 larger.
  • the end of the first micropore 21 facing away from the porous matrix 40 is sealed by the first heating layer 10 and the filler 30 in each second micropore 11 to prevent the liquid atomized matrix in the first micropore 21 from flowing into the second heating layer 20
  • the phenomenon of liquid explosion and collapse occurs on the surface, which effectively improves the user experience when using it.
  • this application provides an atomization core, which includes a porous base 40 and the above-mentioned heating element 100.
  • the heating element 100 is stacked on at least one surface of the porous base 40 .
  • the porous matrix 40 may be at least one of porous ceramics, porous glass, porous metal, porous carbon materials or porous polymer materials. In some specific embodiments, the porous matrix 40 may be a porous ceramic matrix.
  • the side surface of the second heating layer 20 in the heating element 100 facing away from the first heating layer 10 is stacked on at least one surface of the porous base 40 so that the liquid atomization matrix in the porous base 40 can pass through the second heating layer 10 .
  • Each first micropore 21 in the heat-generating layer 20 enters the second heat-generating layer 20, thereby increasing the contact area between the liquid atomization matrix and the second heat-generating layer 20, that is, increasing the atomization surface, making the atomization more complete.
  • the liquid atomization matrix in the second heating layer 20 is blocked by the first heating layer 10 inside the heating element 100, preventing the liquid atomization matrix from forming an explosion or collapse phenomenon on the surface of the heating element 100, thereby effectively improving the mist The performance of the chemical converter.
  • this application provides an atomizer, including the above-mentioned atomization core.
  • this application provides an electronic atomization device, including a power supply component and the above-mentioned atomizer.
  • the power component is used to supply power to the atomizer.
  • the first heating layer 10 is stacked on one side of the second heating layer 20 so that one end of the heating element 100 along its thickness direction is sealed and the other end is open.
  • the open end of the heating element 100 is connected to the porous matrix 40, the liquid atomized matrix penetrates into the surface of the porous matrix 40, and part of the liquid atomized matrix enters the heating element 100 through the pores in the second heating layer 20, and is absorbed by the first The heat-generating layer 10 is blocked in the second heat-generating layer 20 .

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Abstract

La présente demande se rapporte à un élément chauffant, à un noyau d'atomisation, à un atomiseur et à un dispositif d'atomisation électronique. Dans l'élément chauffant (100), la surface d'une seconde couche chauffante (20) à distance d'une première couche chauffante (10) peut être reliée à une base poreuse (40), et une matrice d'atomisation de liquide peut pénétrer dans la seconde couche chauffante (20), de telle sorte que l'atomisation est plus suffisante. De plus, la première couche chauffante (10) peut empêcher la matrice d'atomisation de liquide de pénétrer à travers la seconde couche chauffante (20), et peut empêcher la matrice d'atomisation de liquide de déborder de la surface de la seconde couche chauffante (20) en contact avec la première couche chauffante (10), ce qui permet d'éviter les problèmes d'explosion de liquide et d'éclatement de liquide de la matrice d'atomisation de liquide sur la seconde couche chauffante (20), et d'améliorer l'expérience de l'utilisateur.
PCT/CN2023/100125 2022-08-09 2023-06-14 Élément chauffant, noyau d'atomisation, atomiseur et dispositif d'atomisation électronique WO2024032143A1 (fr)

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CN115606864A (zh) * 2022-08-09 2023-01-17 深圳麦克韦尔科技有限公司 发热元件、雾化芯、雾化器及电子雾化装置

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