WO2024050719A1 - Ensemble de chauffage, atomiseur et dispositif d'atomisation électronique - Google Patents

Ensemble de chauffage, atomiseur et dispositif d'atomisation électronique Download PDF

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Publication number
WO2024050719A1
WO2024050719A1 PCT/CN2022/117565 CN2022117565W WO2024050719A1 WO 2024050719 A1 WO2024050719 A1 WO 2024050719A1 CN 2022117565 W CN2022117565 W CN 2022117565W WO 2024050719 A1 WO2024050719 A1 WO 2024050719A1
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WIPO (PCT)
Prior art keywords
micropores
heating
flow channel
grooves
heating area
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PCT/CN2022/117565
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English (en)
Chinese (zh)
Inventor
吕铭
赵月阳
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深圳麦克韦尔科技有限公司
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Priority to CN202280004221.9A priority Critical patent/CN118042950A/zh
Priority to PCT/CN2022/117565 priority patent/WO2024050719A1/fr
Publication of WO2024050719A1 publication Critical patent/WO2024050719A1/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
    • A24F40/10—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
    • 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
    • A24F40/48—Fluid transfer means, e.g. pumps

Definitions

  • the present application relates to the field of electronic atomization technology, and in particular to a heating component, an atomizer and an electronic atomization device.
  • An electronic atomization device consists of a heating component, a battery, a control circuit, etc.
  • the heating component is the core component of the electronic atomization device, and its characteristics determine the atomization effect and user experience of the electronic atomization device.
  • the sizes of aerosol particles deposited in different positions of the airway are not the same.
  • PM2.5 can enter the lungs, about 10um can be deposited in the mouth and upper respiratory tract, and about 5um can be deposited in the lower respiratory tract.
  • the sweet taste during inhalation is mainly caused by It is determined by the aerosol particle size content of about 10um.
  • the atomized aerosol particles are small in size, there are no obviously large particle aerosols, the amount deposited in the oral cavity is not large, and there is a problem that the sweetness is not obvious.
  • the embodiments of the present application are expected to provide a heating component, an atomizer and an electronic atomization device to solve the problem in the related art that the atomized aerosol particles are small in size and there are no obvious large particle aerosols deposited in the oral cavity. The quantity is not large and the sweetness is not obvious.
  • the heating component includes a base body, the base body has a first surface and a second surface arranged oppositely; the base body includes a heating area and a non-heating area, so The heating area is formed with a plurality of first micropores, and the non-heating area is formed with a plurality of second micropores.
  • the first micropores and the second micropores are used to remove the aerosol-generating matrix from the first micropore. a surface leading to said second surface;
  • the second surface is provided with a plurality of flow channels connecting each of the first micropores and each of the second micropores, and the aerosol-generating matrix in each of the second micropores can pass through each of the second micropores.
  • the flow channel enters each of the first micropores.
  • the flow channel includes a plurality of first flow channels located in the heat-generating area and a plurality of second flow channels located in the non-heat-generating area, and each of the first flow channels runs through each of the third flow channels.
  • each second flow channel penetrates the surface of each second micropore.
  • the heating area is provided with a plurality of first grooves extending in a first direction and a plurality of second grooves extending in a second direction, and the first grooves and the second grooves are The grooves are arranged crosswise, and each of the first grooves and each of the second grooves form the first flow channel.
  • the non-heat-generating area is provided with a plurality of third grooves extending in a third direction and a plurality of fourth grooves extending in a fourth direction, and the third grooves and the fourth grooves are The grooves are arranged crosswise, and each of the third grooves and each of the fourth grooves form the second flow channel.
  • a plurality of the first micropores are distributed in an array, each of the first grooves corresponds to one or more rows of the first micropores, and each of the second grooves corresponds to one or more columns. List the first micropores.
  • a plurality of the second micropores are distributed in an array, each of the third grooves corresponds to one or more rows of the second micropores, and each of the fourth grooves corresponds to one or more columns. Column the second microwell.
  • the width of the first flow channel is 1 ⁇ m-100 ⁇ m.
  • the width of the second flow channel is 1 ⁇ m-100 ⁇ m.
  • the ratio of the width of the first flow channel to the diameter of the first micropore is less than or equal to 1.2.
  • the ratio of the width of the second flow channel to the diameter of the second micropore is less than or equal to 1.2.
  • the depth of the first flow channel is 1 ⁇ m-200 ⁇ m.
  • the depth of the second flow channel is 1 ⁇ m-200 ⁇ m.
  • the depth of the second flow channel is greater than the depth of the first flow channel.
  • the pore diameter of the first micropore is 1 ⁇ m-100 ⁇ m.
  • the pore diameter of the second micropores is 1 ⁇ m-100 ⁇ m.
  • the first micropore is a first elongated hole
  • the width of the first elongated hole is 1 ⁇ m-100 ⁇ m
  • the aspect ratio of the first elongated hole is greater than 1.5.
  • the second micropore is a second elongated hole
  • the width of the second elongated hole is 1 ⁇ m-100 ⁇ m
  • the aspect ratio of the second elongated hole is greater than 1.5.
  • the porosity of the heat-generating area is smaller than the porosity of the non-heat-generating area.
  • the porosity of the heat-generating area is 15%-40%.
  • the porosity of the non-heat-generating area is 20%-80%.
  • the ratio of the porosity of the non-heat-generating area to the porosity of the heat-generating area is 1-2.
  • the first micropores and the second micropores have the same pore diameter, and the hole center distance of the adjacent first micropores is greater than the hole center distance of the adjacent second micropores.
  • the hole center distance of the adjacent first micropores is the same as the hole center distance of the adjacent second micropores, and the pore diameter of the first micropores is smaller than the pore diameter of the second micropores.
  • the heating component includes a heating element, and the heating element is an independent element disposed in the heating area.
  • the base body has a conductive function.
  • the matrix is a dense matrix.
  • the embodiment of the present application provides an atomizer, including:
  • the liquid storage chamber is used to store the aerosol-generating matrix
  • the heating component is in fluid communication with the liquid storage chamber.
  • the embodiment of the present application provides an electronic atomization device, including the atomizer described in any embodiment of the present application.
  • Embodiments of the present application provide a heating component, an atomizer, and an electronic atomization device.
  • the heating component includes a base body.
  • the base body has a first surface and a second surface arranged oppositely.
  • the base body includes a heating area and a non-heating area, wherein the first surface It includes a liquid suction surface, the second surface includes an atomization surface, a plurality of first micropores are formed in the heating area, and a plurality of second micropores are formed in the non-heating area.
  • the first micropores and the second micropores are used to aerosol
  • the generating matrix is guided from the first surface to the second surface; that is to say, the matrix can realize liquid conduction and liquid storage functions through the first micropores and the second micropores, and the aerosol generating matrix can pass through the first micropores and the second micropores.
  • the micropores are guided to the second surface, and the aerosol-generating substrate in the heating area is heated and atomized to generate aerosol.
  • the aerosol-generating matrix in each second micropore can enter each first micropore through each flow channel, Since there is a certain degree of superheating in the heating area during atomization, the second micropores in the non-heating area store an aerosol-generating matrix with a temperature lower than the boiling point. At this time, the aerosol in the second micropores near the edge of the heating area is generated. The matrix enters the heating area through the flow channel, and supplies the heating area with aerosols with a temperature lower than the boiling point to generate matrix. In this way, large particle aerosols can be formed on the surface of the heating area, increasing the sweetness experience. In addition, when the aerosol-generating matrix is consumed in the heating area, the aerosol-generating matrix stored in the second micropores in the non-heating area can replenish the aerosol-generating matrix for the heating area in time, thus improving the atomization efficiency.
  • Figure 1 is a schematic structural diagram of a heating component according to an embodiment of the present application.
  • Figure 2 is a schematic structural diagram of a heating component according to another embodiment of the present application.
  • FIG 3 is a schematic structural diagram of the heating area shown in Figure 1;
  • FIG. 4 is a cross-sectional view of the heating area shown in FIG. 1 .
  • orientation or positional relationship indicated by terms such as “thickness” is based on the orientation or positional relationship shown in Figure 4, where these orientation terms are only for the convenience of describing the present application.
  • the embodiments and simplified descriptions do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as limiting the embodiments of the present application.
  • the terms “first”, “second”, “third” and “fourth” are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
  • the embodiment of the present application provides an electronic atomization device, including the atomizer provided by any embodiment of the present application.
  • Electronic atomization devices are used to atomize an aerosol-generating substrate to generate aerosol for users to inhale.
  • the aerosol-generating matrix includes, but is not limited to, medicines, nicotine-containing materials or nicotine-free materials, and the like.
  • An atomizer is used to store an aerosol-generating substrate and to atomize the aerosol-generating substrate to form an aerosol that can be inhaled by a user.
  • the atomizer can be used in different fields, such as medical treatment, beauty, leisure smoking, etc.; exemplarily, in one embodiment, the atomizer can be used in an electronic aerosolization device to atomize an aerosol-generating matrix And generate aerosol for smokers to inhale.
  • the following embodiments take recreational smoking as an example; of course, in other embodiments, the atomizer can also be used in hairspray equipment to atomize it for use. Hair sprays for styling hair; or devices for aerosolizing medical drugs used to treat diseases of the upper and lower respiratory systems.
  • the electronic atomization device includes a host, which includes a battery and a control circuit.
  • the host is used to power the atomizer and control the operation of the atomizer, so that the atomizer can atomize aerosol to generate a matrix to form an aerosol.
  • the atomizer and the host machine can be of an integrated structure or a split structure.
  • the atomizer can be detachably connected to the host machine.
  • Embodiments of the present application provide an atomizer, including a liquid storage chamber and a heating component provided in any embodiment of the present application.
  • the liquid storage chamber is used to store an aerosol-generating substrate, and the heating component is in fluid communication with the liquid storage chamber.
  • the heating component is in fluid communication with the liquid storage chamber, that is to say, the aerosol-generating matrix can be guided to the heating component through the liquid storage chamber, and the heating component is used to absorb and heat the atomized aerosol-generating matrix.
  • the atomizer includes a housing, an atomizer base and a heating component.
  • the housing has a liquid storage cavity and an air outlet channel.
  • the liquid storage cavity is used to store a liquid aerosol-generating matrix.
  • the liquid storage cavity can, for example, be arranged around the air outlet channel.
  • the end of the shell also has a suction port, which is connected with the air outlet channel. The aerosol generated by the aerosol-generating matrix is guided to the suction port through the air outlet channel for the user to suck. It should be noted that the specific details of the suction port are The formation method is not limited here.
  • a port of the air outlet channel may form a suction port, or a suction nozzle with a suction port may be provided, and the suction nozzle cooperates with the housing to suck the aerosol.
  • the housing has an accommodating cavity on a side of the liquid storage cavity away from the suction port, and the atomizing seat is arranged in the accommodating cavity.
  • the atomizer base includes an atomizer top base and an atomizer base. The atomization top seat and the atomization base cooperate to form a receiving cavity; that is, the atomizing base has a receiving cavity.
  • the heating component is arranged in the accommodation cavity, and is arranged in the accommodation cavity together with the atomizer seat.
  • the embodiment of the present application provides a heating component. Please refer to Figures 1 to 4.
  • the heating component includes a base 10.
  • the base 10 has a first surface 10a and a second surface 10b arranged oppositely.
  • the base 10 includes a heating area 11 and a non-heating area.
  • Region 12 in which the first surface 10a includes a liquid absorption surface, the second surface 10b includes an atomization surface, the heating area 11 is formed with a plurality of first micropores 11a, and the non-heating area 12 is formed with a plurality of second micropores 12a,
  • the first micropores 11a and the second micropores 12a are used to guide the aerosol-generating substrate from the first surface 10a to the second surface 10b; that is, the substrate 10 can pass through the first micropores 11a and the second micropores 12a
  • the aerosol-generating matrix can be guided to the second surface 10b through the first micropores 11a and the second micropores 12a, and the aerosol-generating matrix in the heating area 11 is heated and atomized to generate aerosol.
  • the aerosol-generating matrix in each second micropore 12a can enter each third micropore through each flow channel.
  • One micropore 11a because the heating area 11 has a certain degree of superheat during atomization, and the second micropore 12a of the non-heating area 12 stores an aerosol-generating matrix with a temperature lower than the boiling point, and at this time, the area near the edge of the heating area 11
  • the aerosol-generating matrix in the second micropore 12a enters the heating area 11 through the flow channel, and replenishes the aerosol-generating matrix with a temperature lower than the boiling point for the heating area 11.
  • the aerosol-generating substrate stored in the second micropores 12a of the non-heating area 12 can replenish the aerosol-generating substrate for the heating area 11 in time, thereby improving the atomization efficiency.
  • the flow channels include a plurality of first flow channels 11b located in the heating area 11 and a plurality of first flow channels 11b located in the heating area 11 .
  • each first flow channel 11b penetrates the surface of each first micropore 11a
  • each second flow channel 12b penetrates the surface of each second micropore 12a.
  • a plurality of first flow channels 11 b penetrating the surface of each first micropore 11 a are provided in the heat generating area 11
  • a plurality of second flow channels 12 b penetrating the surface of each second micro hole 12 a are provided in the non-heat generating area 12 .
  • the first flow channel 11b and the second flow channel 12b have capillary action and can guide the aerosol-generating matrix in the lateral direction.
  • the aerosol-generating matrix can enter each first micropore 11a from the first surface 10a and then flow through the first flow channel. Under the capillary force of 11b, it plays a transverse rehydration effect, so that the aerosol-generating matrix is evenly distributed between the first micropores 11a; and after the aerosol-generating matrix enters each second micropore 12a from the first surface 10a, Under the capillary force of the second flow channel 12b, it acts as a transverse liquid replenisher, so that the aerosol-generating matrix is evenly distributed between the second micropores 12a.
  • the adjacent first flow channels 11b and the second flow channels 12b are connected to achieve communication between the adjacent first micropores 11a and the second micropores 12a, that is, the adjacent first flow channels 11b and the second micropores 12a are connected.
  • the aerosol-generating substrate can enter each first micropore 11a through the first flow channel 11b and the second flow channel 12b. Since the heating area 11 has a certain degree of superheat during atomization, the aerosol-generating substrate is stored in the second micropores 12a of the non-heating area 12. There is an aerosol-generating matrix with a temperature lower than the boiling point.
  • the aerosol-generating matrix in the second micropores 12a on the edge of the heating area 11 enters the first micropores 11a of the heating area 11 through the flow channel, supplementing the temperature of the heating area 11.
  • the aerosol below the boiling point generates a matrix, so that large particle aerosols can be formed on the surface of the heating area 11 to increase the sweetness experience.
  • the transverse direction refers to a direction that is not parallel to the extending direction of the first microhole 11a and the second microhole 12a, for example, a direction perpendicular to the central axis of the first microhole 11a and the second microhole 12a, or a direction with The second surface 10b is parallel to the direction.
  • the heating component includes a heating element (not shown), and the heating element is an independent component disposed in the heating area 11 .
  • the heating element can be a heating sheet, a heating film, a heating net, etc., and it only needs to be able to heat the atomized aerosol-generating substrate.
  • the heating element can be arranged on the heating area 11 or embedded inside the base 10, and the design can be specifically designed according to needs.
  • the heating component further includes a positive electrode and a negative electrode, and both ends of the heating element are electrically connected to the positive electrode and the negative electrode respectively. Both the positive electrode and the negative electrode are electrically connected to the host.
  • the base 10 has a conductive function and can generate heat itself, for example, a self-heating conductive ceramic or a glass with a conductive function. In this case, no additional heating element is needed. In other words, the heating element is an optional structure.
  • the matrix 10 can be a porous matrix 10, for example, porous ceramics, cotton, quartz sand core, foam structure materials; however, it is difficult to precisely control the position distribution and size accuracy of micropores in porous ceramics prepared by high-temperature sintering.
  • the base 10 is a dense base 10 , and an array of through holes and a heating film are formed on the dense base 10 using micromachining technology.
  • the specific type of the substrate 10 is not limited here, including but not limited to dense ceramics, glass, silicon and other materials.
  • the substrate 10 is a glass substrate 10.
  • the substrate 10 is borosilicate glass, which has good heat resistance.
  • the substrate 10 is quartz glass.
  • the heating area 11 is provided with a plurality of first grooves 11c extending in the first direction and a plurality of first grooves 11c extending along the first direction.
  • the second groove 11d extends in the second direction, the first groove 11c and the second groove 11d are intersected, and each first groove 11c and each second groove 11d form a first flow channel 11b.
  • the aerosol can be guided in the lateral direction to generate the matrix, so that the aerosol can be The resulting matrix is further evenly distributed between the first micropores 11a.
  • the first groove 11c and the second groove 11d are arranged to intersect, that is to say, the first direction and the second direction are not parallel, that is, a certain included angle is formed between the first direction and the second direction, and the range of the included angle is, for example, 1 -89 degrees, the first direction and the second direction in the embodiment of the present application are perpendicular.
  • first grooves 11c extending along the first direction or only a plurality of second grooves 11d extending along the second direction, that is, adjacent adjacent grooves 11d are only connected in one direction.
  • the first groove 11c and/or the second groove 11d have a capillary effect and can guide the aerosol-generating matrix laterally, so that the aerosol-generating matrix is evenly distributed in each first micropore 11a, thus playing a lateral replenishing effect.
  • the second flow channel 12b There are many ways to arrange the second flow channel 12b.
  • the fourth grooves 12d extending in four directions, the third grooves 12c and the fourth grooves 12d are intersected, and each third groove 12c and each fourth groove 12d form a second flow channel 12b. It can be understood that by simultaneously arranging the third groove 12c and the fourth groove 12d, and the third groove 12c and the fourth groove 12d have capillary action, the aerosol can be guided in the lateral direction to generate the matrix, so that the aerosol can be The resulting matrix is further evenly distributed between the second micropores 12a.
  • the third groove 12c and the fourth groove 12d are arranged to intersect, that is to say, the third direction and the fourth direction are not parallel, that is, a certain included angle is formed between the third direction and the fourth direction, and the range of the included angle can be 1 -89°, for example, 10°, 30°, 45°, 60°, 70°, 80°, etc.
  • the third direction in the embodiment of the present application is perpendicular to the fourth direction.
  • the second micropore 12a it is also possible to provide only a plurality of third grooves 12c extending along the third direction or only a plurality of fourth grooves 12d extending along the fourth direction, that is, adjacent adjacent grooves 12c are only connected in one direction.
  • the third groove 12c and/or the fourth groove 12d have a capillary effect and can guide the aerosol-generating matrix laterally, so that the aerosol-generating matrix is evenly distributed in each second micropore 12a, thereby achieving a lateral rehydration effect.
  • a plurality of first micropores 11a are distributed in an array, each first groove 11c corresponds to one or more rows of first micropores 11a, and each second groove 11d corresponds to one or more columns of first micropores. 11a; Design according to specific needs.
  • each first groove 11c corresponds to a row of first microholes 11a, and each second groove 11d corresponds to a column of first microholes 11a (as shown in Figures 1 and 3).
  • each third groove 12c corresponds to one or more rows of second micropores 12a
  • each fourth groove 12d corresponds to one or more columns of second micropores. 12a; Design according to specific needs.
  • each third groove 12c corresponds to a row of second micropores 12a
  • each fourth groove 12d corresponds to a column of second micropores 12a (as shown in FIG. 1).
  • the width of the first flow channel 11b is 1 ⁇ m-100 ⁇ m.
  • the width of the first flow channel 11b is greater than 100 ⁇ m, the capillary force of the first flow channel 11b is not strong, and it is difficult to guide the aerosol-generating matrix in the second micropore 12a to the heating area 11, thus improving the atomization efficiency.
  • the width of the first flow channel 11b is less than 1 ⁇ m, the flow resistance is too large, causing the aerosol-generating matrix to flow slowly. At this time, the aerosol-generating matrix in the second micropore 12a at the edge of the heating area 11 cannot pass through the second micropore 12a in time.
  • the first channel 11b enters the heating area 11, that is, it cannot replenish the heating area 11 with an aerosol-generating matrix with a temperature lower than the boiling point. This is not conducive to the formation of large particle aerosols on the surface of the heating area 11 and is not conducive to increasing the sweetness experience. At the same time, Reduced atomization efficiency. Therefore, by setting the width of the first flow channel 11b to 1 ⁇ m-100 ⁇ m, it is possible to ensure that the capillary force of the first flow channel 11b meets the requirements without causing the flow resistance to be too large, which is conducive to forming a large flow rate on the surface of the heating area 11 Particle aerosol increases the sweetness experience and at the same time improves atomization efficiency.
  • the width of the second flow channel 12b is 1 ⁇ m-100 ⁇ m.
  • the width of the second flow channel 12b is greater than 100 ⁇ m, the capillary force of the second flow channel 12b is not strong, and it is difficult for the aerosol-generating matrix to flow in the second flow channel 12b, and it is difficult to generate aerosols in the second micropores 12a.
  • the substrate is guided to the heating area 11, which is not conducive to the atomization of the aerosol-generating substrate; when the width of the second flow channel 12b is less than 1 ⁇ m, the flow resistance is too large, making the flow of the aerosol-generating substrate slow, which is not conducive to the aerosol generation. Produces atomization of the matrix.
  • the ratio of the width of the first flow channel 11b to the diameter of the first micropore 11a is less than or equal to 1.2 to ensure that the capillary force of the first flow channel 11b meets the requirements.
  • the ratio of the width of the second flow channel 12b to the diameter of the first micropore 11a is less than or equal to 1.2 to ensure that the capillary force of the second microchannel meets the requirements.
  • the depth of the first flow channel 11b is 1 ⁇ m-200 ⁇ m.
  • the capillary force of the first flow channel 11b is not obvious, and it is difficult to generate a matrix from the aerosol in the first micropore 11a.
  • dry burning in the first flow channel 11b leads to serious scaling of the heating film, which is not conducive to the atomization of the aerosol-generating matrix; when the depth of the first flow channel 11b is greater than 200 ⁇ m, excessive amounts are likely to occur There is a problem of explosive liquid, and the heating film is not easy to be formed in the first flow channel 11b.
  • the depth of the first flow channel 11b is too deep, which easily affects the strength.
  • the depth of the first flow channel 11b is 1 ⁇ m-50 ⁇ m, which can prevent liquid explosion and avoid excessive size of aerosol particles.
  • the depth of the second flow channel 12b is 1 ⁇ m-200 ⁇ m.
  • the depth of the second flow channel 12b is less than 1 ⁇ m, the capillary force of the second flow channel 12b is not obvious, and it is difficult to remove the gas in the second micropore 12a.
  • the aerosol-generating substrate is led to the second flow channel 12b and is dry-fired in the second flow channel 12b. This is not conducive to the atomization of the aerosol-generating substrate.
  • the depth of the second flow channel 12b is greater than 200 ⁇ m, the strength is easily affected.
  • the depth of the second flow channel 12b is greater than the depth of the first flow channel 11b.
  • the aerosol-generating substrate in the first flow channel 11b is preferentially boiled and atomized, and the aerosol-generating substrate below the boiling point in the second flow channel 12b can be replenished into the first flow channel 11b in time, which can be used in the heating area.
  • 11 forms large particle aerosols on the surface, increasing the sweetness experience. Since the second flow channel 12b is provided in a non-heated area, there is no need to provide a heating film. Without affecting the structural strength, the depth can be appropriately increased so that the depth of the second flow channel 12b is greater than the depth of the first flow channel 11b. Therefore, the aerosol-generating substrate lower than the boiling point in the second flow channel 12b can be replenished into the first flow channel 11b in time.
  • the specific shape and size of the first microhole 11a are not limited here.
  • the first microhole 11a is, for example, a circular hole, and the diameter of the first microhole 11a is 1 ⁇ m-100 ⁇ m.
  • the pore diameter of the first micropore 11a is less than 1 ⁇ m, it cannot meet the liquid supply demand, resulting in a decrease in the amount of aerosol; when the pore diameter of the first micropore 11a is greater than 100 ⁇ m, the aerosol-generating matrix easily flows out of the first micropore 11a, causing Liquid leakage may damage the electronic atomization device and reduce the user experience. At the same time, there may be insufficient atomization and waste of e-liquid.
  • the pore diameter of the first micropore 11a is 20 ⁇ m-50 ⁇ m. It can be understood that the diameter of the first micropore 11a is selected according to actual needs.
  • the second micropore 12a is, for example, a circular hole, and the diameter of the second micropore 12a is 1 ⁇ m-100 ⁇ m.
  • the pore diameter of the second micropore 12a is less than 1 ⁇ m, it cannot meet the liquid supply demand, resulting in a decrease in the amount of aerosol; when the pore diameter of the second micropore 12a is greater than 100 ⁇ m, the aerosol-generating matrix easily flows out of the micropore, causing liquid leakage. Liquid leakage may damage the electronic atomizer device and reduce the user experience.
  • the pore diameter of the second micropore 12a is 20 ⁇ m-50 ⁇ m. It can be understood that the diameter of the second micropore 12a is selected according to actual needs.
  • the first micropore 11a is a first elongated hole
  • the width of the first elongated hole is 1 ⁇ m-100 ⁇ m
  • the aspect ratio of the first elongated hole is greater than 1.5.
  • the width of the first elongated hole is greater than 100 ⁇ m, the aerosol-generating matrix easily flows out of the micropores and causes liquid leakage, which may damage the electronic atomization device due to liquid leakage, reduce the user experience, and during atomization, It may cause liquid explosion, insufficient atomization and waste of e-liquid.
  • the width of the first long hole is 20 ⁇ m-45 ⁇ m. It can be understood that the width and length of the first elongated hole are selected according to actual needs.
  • the second micropore 12a is a second elongated hole
  • the width of the second elongated hole is 1 ⁇ m-100 ⁇ m
  • the aspect ratio of the second elongated hole is greater than 1.5.
  • the width of the second long hole is less than 1 ⁇ m, it cannot meet the liquid supply demand, resulting in a decrease in the amount of aerosol; when the width of the second long hole is greater than 100 ⁇ m, the aerosol-generating matrix easily flows out of the micropores, causing liquid leakage. Decrease user experience.
  • the width of the second elongated hole is 20 ⁇ m-45 ⁇ m. It can be understood that the width and length of the second elongated hole are selected according to actual needs.
  • the first microhole 11a can be a round hole or a long strip hole, or it can be partly a round hole and part of a long strip hole. Of course, it can also be a hole of other shapes.
  • the second micropores 12a may be round holes or elongated holes, or may be partially round holes and partially elongated holes. Of course, they may also be holes of other shapes.
  • the porosity of the heat-generating area 11 is smaller than the porosity of the non-heat-generating area 12 .
  • Porosity refers to the percentage of the micropore volume in the matrix 10 to the total volume of the material in its natural state, that is, it refers to the percentage of the micropore volume in the matrix 10 to the total volume of the matrix 10 .
  • the porosity of the heating area 11 refers to the percentage of the volume of the first micropores 11a in the heating area 11 to the total volume of the heating area 11 of the substrate 10
  • the porosity of the non-heating area 12 refers to the second micropores in the non-heating area 12
  • the percentage of the volume 12a to the total volume of the non-heat-generating area 12 of the base 10. It can be understood that if the porosity is too large, the strength of the matrix 10 will be affected; while if the porosity is too small, the liquid supply will be affected.
  • the heating component includes a heating film disposed in the heating area 11 of the base 10. Therefore, if the porosity of the base 10 in the heating area 11 is too high, it will affect the quality of the heating film. Therefore, it is necessary to balance the quality of the heating film and the liquid supply performance. There is a trade-off between them, that is, without affecting the liquid supply performance, the porosity can be appropriately reduced to improve the quality of the heating film.
  • the non-heating area 12 does not need to be provided with a heating film. Therefore, on the premise of ensuring that the base body 10 has sufficient strength, the liquid supply performance can be improved by appropriately increasing the porosity.
  • the porosity of the heating area 11 is 15% to 40%. When the porosity of the heating area 11 is lower than 15%, it will affect the liquid supply volume, reduce the amount of smoke, and cause serious scaling of the heating film due to insufficient liquid supply; and when the porosity of the heating area 11 is higher than 40% time, it will affect the quality of the heating film.
  • the porosity of the non-heat-generating area 12 is 20% to 80%.
  • the porosity of the non-heating area 12 is lower than 20%, it will affect the liquid supply volume, which is not conducive to the aerosol-generating matrix in the second micropores 12a near the edge of the heating area 11 entering the heating area 11 through the flow channel, which is the heating area.
  • 11 supplements the aerosol production matrix with a temperature lower than the boiling point, thereby reducing the atomization efficiency, which is not conducive to the formation of large particle aerosols on the surface of the heating area 11 and increasing the sweet taste; and when the porosity of the heating area 11 is higher than 80% When, it will affect the strength of the matrix 10.
  • the ratio of the porosity of the non-heat-generating area 12 to the porosity of the heat-generating area 11 is 1-2.
  • the substrate 10 should be ensured to have sufficient strength and liquid supply performance as much as possible.
  • the porosity of the non-heat-generating area 12 is larger than the porosity of the heat-generating area 11.
  • the first micropore 11a and the second micropore 11a as shown in Figure 1 The micropores 12a have the same diameter, and the hole center distance of adjacent first micropores 11a is greater than the hole center distance of adjacent second micropores 12a. That is to say, in this embodiment, the first microhole 11a and the second microhole 12a have the same diameter.
  • the center distance can be such that when the areas of the heating area 11 and the non-heating area 12 are the same, the number of the first micropores 11a in the heating area 11 is less than the number of the second micropores 12a in the non-heating area 12, so that The volume of the first micropores 11a in the heat-generating area 11 is smaller than the volume of the second micropores 12a in the non-heat-generating area 12, thereby achieving a larger porosity in the non-heat-generating area 12 than in the heat-generating area 11.
  • the hole center distance of adjacent first microholes 11a is the same as the hole center distance of adjacent second microholes 12a, and the hole diameter of the first microhole 11a is smaller than the second microhole 12a. aperture. That is to say, in this embodiment, the hole center distance of the adjacent first micropores 11a is the same as the hole center distance of the adjacent second micropores 12a.
  • the diameter of the holes 12a can be such that when the areas of the heating area 11 and the non-heating area 12 are the same, the number of the first micropores 11a in the heating area 11 is equal to the number of the second micropores 12a in the non-heating area 12, However, the volume of the first micropores 11a in the heating area 11 is smaller than the volume of the second micropores 12a in the non-heating area 12, thereby achieving a larger porosity in the non-heating area 12 than in the heating area 11.
  • the first microholes 11a are set as round holes, and at least part of the second microholes 12a are set as elongated holes.
  • the areas of the heating areas 12 are the same, the volume of the first micropores 11a in the heating area 11 is smaller than the volume of the second micropores 12a in the non-heating area 12, thereby achieving a higher porosity in the non-heating area 12 than in the heating area 11. The rate is high.
  • the porosity of the non-heating area 12 can be larger than that of the heating area 11, thereby improving the liquid supply capacity, and on the other hand, the porosity of the non-heating area 12 can be larger than that of the heating area 11.
  • the elongated holes are arranged close to the heating area 11, which allows the non-heating area 12 to promptly replenish the heating area 11 with aerosol-generating substrate with a temperature lower than the boiling point, thereby improving the atomization efficiency and atomization effect.
  • the aperture of the first microhole 11a can also be set to be smaller than the aperture of the second microhole 12a, and the hole center distance of the adjacent first microhole 11a is larger than that of the adjacent second microhole 12a.
  • the hole center distance it is also possible to set the hole diameter of the first microhole 11a to be smaller than the hole diameter of the second microhole 12a, but the hole center distance of the adjacent first microhole 11a is smaller than the hole center distance of the adjacent second microhole 12a distance; it is also possible to set the aperture diameter of the first microhole 11a to be larger than the aperture diameter of the second microhole 12a, and the hole center distance of adjacent first microholes 11a is greater than the hole center distance of adjacent second microholes 12a.
  • first micropores 11a can also be selectively configured as elongated holes and/or the second micropores 12a can be selectively configured as elongated holes according to circumstances.
  • the specific arrangement method is determined according to the actual situation, as long as the porosity of the non-heat-generating area 12 can be larger than the porosity of the heat-generating area 11 .
  • references to the terms "in one embodiment,” “in some embodiments,” “in other embodiments,” “in still other embodiments,” or “exemplary” means that Specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the embodiments of the present application.
  • the schematic expressions of the above terms are not necessarily directed to the same embodiment or example.
  • the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
  • those skilled in the art may combine different embodiments or examples and features of different embodiments or examples described in this application unless they are inconsistent with each other.

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  • Special Spraying Apparatus (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

L'invention concerne un ensemble de chauffage, un atomiseur et un dispositif d'atomisation électronique. L'ensemble de chauffage comprend une matrice (10) ; la matrice (10) comporte une première surface (10a) et une deuxième surface (10b) situées à l'opposé l'une de l'autre ; la matrice (10) comprend une zone de chauffage (11) et une zone de non-chauffage (12) ; une pluralité de premiers micropores (11a) sont formés dans la zone de chauffage (11) ; une pluralité de deuxièmes micropores (12a) sont formés dans la zone de non-chauffage (12) ; les premiers micropores (11a) et les deuxièmes micropores (12a) sont utilisés pour guider un substrat de génération d'aérosol de la première surface (10a) à la deuxième surface (10b) ; la deuxième surface (10b) comporte une pluralité de canaux d'écoulement permettant aux premiers micropores (11a) d'être en communication avec les deuxièmes micropores (12a) ; et des substrats de génération d'aérosol dans les deuxièmes micropores (12a) peuvent entrer dans les premiers micropores (11a) à travers les canaux d'écoulement. Un aérosol à grosses particules peut être formé sur la surface de la zone de chauffage (11), ce qui permet d'améliorer le goût sucré.
PCT/CN2022/117565 2022-09-07 2022-09-07 Ensemble de chauffage, atomiseur et dispositif d'atomisation électronique WO2024050719A1 (fr)

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CN202280004221.9A CN118042950A (zh) 2022-09-07 2022-09-07 一种发热组件、雾化器及电子雾化装置
PCT/CN2022/117565 WO2024050719A1 (fr) 2022-09-07 2022-09-07 Ensemble de chauffage, atomiseur et dispositif d'atomisation électronique

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209376696U (zh) * 2018-11-29 2019-09-13 深圳市合元科技有限公司 电子烟雾化器及包含该电子烟雾化器的电子烟
CN113729303A (zh) * 2021-09-29 2021-12-03 深圳市克莱鹏科技有限公司 一种基于多孔硅的发热片及包含其的电子烟
CN216019118U (zh) * 2021-06-04 2022-03-15 深圳麦克韦尔科技有限公司 电子雾化装置、雾化器及其发热组件
CN114794567A (zh) * 2021-07-05 2022-07-29 深圳麦克韦尔科技有限公司 发热体、雾化组件及电子雾化装置
CN114794576A (zh) * 2021-12-30 2022-07-29 深圳麦克韦尔科技有限公司 发热体、雾化器及电子雾化装置
CN114794578A (zh) * 2021-12-30 2022-07-29 深圳麦克韦尔科技有限公司 发热组件、雾化器及电子雾化装置
WO2022179301A2 (fr) * 2021-12-30 2022-09-01 深圳麦克韦尔科技有限公司 Corps chauffant, atomiseur et dispositif d'atomisation électronique
WO2022179300A2 (fr) * 2021-12-30 2022-09-01 深圳麦克韦尔科技有限公司 Ensemble de chauffage, atomiseur et dispositif d'atomisation électronique
WO2022179641A2 (fr) * 2022-05-13 2022-09-01 深圳麦克韦尔科技有限公司 Corps chauffant, atomiseur et dispositif d'atomisation électronique

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209376696U (zh) * 2018-11-29 2019-09-13 深圳市合元科技有限公司 电子烟雾化器及包含该电子烟雾化器的电子烟
CN216019118U (zh) * 2021-06-04 2022-03-15 深圳麦克韦尔科技有限公司 电子雾化装置、雾化器及其发热组件
CN114794567A (zh) * 2021-07-05 2022-07-29 深圳麦克韦尔科技有限公司 发热体、雾化组件及电子雾化装置
CN113729303A (zh) * 2021-09-29 2021-12-03 深圳市克莱鹏科技有限公司 一种基于多孔硅的发热片及包含其的电子烟
CN114794576A (zh) * 2021-12-30 2022-07-29 深圳麦克韦尔科技有限公司 发热体、雾化器及电子雾化装置
CN114794578A (zh) * 2021-12-30 2022-07-29 深圳麦克韦尔科技有限公司 发热组件、雾化器及电子雾化装置
WO2022179301A2 (fr) * 2021-12-30 2022-09-01 深圳麦克韦尔科技有限公司 Corps chauffant, atomiseur et dispositif d'atomisation électronique
WO2022179300A2 (fr) * 2021-12-30 2022-09-01 深圳麦克韦尔科技有限公司 Ensemble de chauffage, atomiseur et dispositif d'atomisation électronique
WO2022179641A2 (fr) * 2022-05-13 2022-09-01 深圳麦克韦尔科技有限公司 Corps chauffant, atomiseur et dispositif d'atomisation électronique

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