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WO2025020868A1 - Dispositif de génération d'aérosol et système de génération d'aérosol - Google Patents

Dispositif de génération d'aérosol et système de génération d'aérosol Download PDF

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Publication number
WO2025020868A1
WO2025020868A1 PCT/CN2024/102925 CN2024102925W WO2025020868A1 WO 2025020868 A1 WO2025020868 A1 WO 2025020868A1 CN 2024102925 W CN2024102925 W CN 2024102925W WO 2025020868 A1 WO2025020868 A1 WO 2025020868A1
Authority
WO
WIPO (PCT)
Prior art keywords
aerosol generating
generating device
electrical contact
aerosol
atomizer
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
Application number
PCT/CN2024/102925
Other languages
English (en)
Chinese (zh)
Inventor
李新军
洪锐
徐中立
李永海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen FirstUnion Technology Co Ltd
Original Assignee
Shenzhen FirstUnion Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen FirstUnion Technology Co Ltd filed Critical Shenzhen FirstUnion Technology Co Ltd
Publication of WO2025020868A1 publication Critical patent/WO2025020868A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • A24F40/42—Cartridges or containers for 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
    • A24F40/46—Shape or structure of electric heating means
    • A24F40/465—Shape or structure of electric heating means specially adapted for induction heating
    • 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
    • A24F40/50—Control or monitoring
    • 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
    • A24F40/50—Control or monitoring
    • A24F40/51—Arrangement of sensors

Definitions

  • the embodiments of the present application relate to the technical field of heat-not-burn aerosol generation, and in particular to an aerosol generating device and an aerosol generating system.
  • Smoking articles eg, cigarettes, cigars, etc.
  • People have attempted to replace these tobacco-burning articles by creating products that release compounds without combustion.
  • a heating device that releases a compound by heating rather than burning a material.
  • the material may be tobacco or other non-tobacco products that may or may not contain nicotine.
  • Known heating devices can only receive a specific type of tobacco or non-tobacco product and generate a magnetic field through an induction coil to induce heat in a receptor and thereby heat the specific type of tobacco or non-tobacco product received.
  • an aerosol generating device which can be selectively combined with an aerosol generating article or a nebulizer; comprising:
  • a receiving chamber for receiving an aerosol-generating article including a first heating element
  • an induction coil connected to a power source and arranged at least partially around the receiving cavity; the induction coil is configured to generate a changing magnetic field when powered on, thereby inducing the first heating element to heat the aerosol-generating article received in the receiving cavity to generate an aerosol;
  • the first electrical contact is connected to a power source and is located outside the receiving cavity or away from the receiving cavity; when an atomizer including a second heating element and a liquid matrix is combined with an aerosol generating device, the first electrical contact is configured to output a direct current to the second heating element so that the second heating element heats the liquid matrix to generate an aerosol.
  • it also includes:
  • the first magnetic element is located outside the receiving cavity or away from the receiving cavity and is used to magnetically attract the atomizer so that the atomizer can remain combined with the aerosol generating device.
  • the first magnetic element is at least partially arranged around the first electrical contact; or the first electrical contact at least partially passes through the first magnetic element.
  • it also includes:
  • the first electrical contacts are arranged linearly along the longitudinal direction and are at least partially exposed at the proximal end.
  • it also includes:
  • the circuit is configured to control the power supply to output an alternating current to the induction coil in a first power mode to generate a changing magnetic field, and to control the power supply to output a direct current to the second heating element through the first electrical contact in a second power mode.
  • the circuit is configured to control the induction coil to generate a varying magnetic field for a predetermined duration in the first power mode to induce the first heating element to heat the aerosol-generating article according to a predetermined heating curve within a predetermined duration.
  • the circuit is configured to control the output of a direct current through the first electrical contact at a predetermined power in the second power mode, so that the second heating element heats the liquid medium at the predetermined power.
  • it also includes:
  • Input element used for user operation to generate input signal
  • the circuit is configured to respond to an input signal of the input element and control the induction coil to generate a changing magnetic field according to a first power mode.
  • it also includes:
  • An airflow sensor used for sensing the airflow flowing through the receiving cavity
  • the circuit is configured to respond to the sensing result of the airflow sensor and then control the supply of direct current to the second heating element through the first electrical contact according to the second power mode.
  • the circuit is configured to not respond to the sensing result of the airflow sensor or to prevent the airflow sensor from sensing the airflow flowing through the receiving cavity when the aerosol-generating article is received in the receiving cavity.
  • it further comprises: a proximal end and a distal end facing each other in the longitudinal direction;
  • a groove located at the proximal end; the groove being configured to receive or engage a portion of the nebulizer;
  • the first electrical contact is an elastic electrical contact that can be selectively actuated between an extended state and a compressed state and biased to return to the extended state; at least a portion of the first electrical contact extends into the groove; when the atomizer is combined with the aerosol generating device, the first electrical contact is pressed into a compressed state and a conductive connection is established with the first electrical contact.
  • the aerosol generating device is configured to prevent the induction coil from generating a varying magnetic field when the induction coil generates a varying magnetic field, and to prevent the induction coil from generating a varying magnetic field when the induction coil generates a varying magnetic field when the induction coil generates a varying magnetic field.
  • it also includes:
  • the circuit is configured to determine the presence of an aerosol-generating article in the receiving cavity based on a change in at least one electrical characteristic of the induction coil caused by inserting or removing the aerosol-generating article including the first heating element from the receiving cavity.
  • the first electrical contact includes a positive contact and a negative contact insulated from each other;
  • the circuit is configured to determine that the atomizer is coupled to the aerosol generating device based on a change in at least one electrical characteristic between the positive contact and the negative contact caused by the atomizer being coupled to the aerosol generating device.
  • Another embodiment of the present application further provides an aerosol generating system, comprising:
  • a nebulizer used to nebulize a liquid matrix to generate an aerosol
  • An aerosol generating device is used to power the atomizer; the aerosol generating device comprises a receiving cavity with an open opening, and a first electrical contact located outside the receiving cavity;
  • the atomizer comprises a main body and an elongated portion extending longitudinally from the main body.
  • the main body is provided with a second electrical contact;
  • the elongated portion is provided with a heating element for heating the liquid matrix, and the heating element is conductively connected to the second electrical contact;
  • the elongated portion can be removably received in the receiving cavity through the opening; and when the elongated portion is received in the receiving cavity, the second electrical contact of the main body establishes a conductive connection with the first electrical contact, thereby enabling the aerosol generating device to supply power to the heating element of the atomizer through the first electrical contact.
  • Another embodiment of the present application further provides an atomizer, comprising:
  • a housing comprising a main body portion and an elongated portion extending from the main body portion; wherein the main body portion comprises a first side and a second side opposite to each other in a longitudinal direction; and the elongated portion is arranged to extend from the first side away from the second side in a longitudinal direction;
  • a liquid storage chamber located inside the main body portion or extending from the main body portion to the elongated portion;
  • a heating element disposed within the elongated portion
  • an electrical contact disposed on the first side of the body portion and electrically connected to the heating element for conducting an electric current on the heating element;
  • the first side of the main body portion has a surface away from the elongated portion, and the electrical contacts are at least partially exposed on the surface.
  • the above aerosol generating device can generate a magnetic field through the induction coil to induce heating of the aerosol generating product, and output a direct current through the first electrical contact to supply power to the atomizer to heat the atomized liquid matrix.
  • FIG1 is a schematic diagram of an aerosol generating device provided by an embodiment
  • FIG2 is a cross-sectional schematic diagram of the aerosol generating device in FIG1 from one viewing angle
  • FIG3 is a schematic diagram of an aerosol generating article provided by one embodiment
  • FIG4 is a schematic cross-sectional view of the aerosol generating article in FIG3 from one viewing angle
  • FIG5 is a schematic diagram of an atomizer provided by an embodiment
  • FIG6 is a schematic structural diagram of the atomizer in FIG5 from another perspective
  • FIG7 is a cross-sectional schematic diagram of the atomizer in FIG5 from one viewing angle
  • FIG8 is a schematic diagram of an aerosol generating system formed by receiving the aerosol generating article in FIG3 into the aerosol generating device in FIG1;
  • FIG9 is a cross-sectional schematic diagram of the aerosol generating system in FIG8 from one viewing angle
  • FIG10 is a schematic diagram of an aerosol generating system formed by receiving the atomizer in FIG5 into the aerosol generating device in FIG1;
  • FIG11 is a cross-sectional schematic diagram of the aerosol generating system in FIG10 from one viewing angle
  • FIG12 is a schematic diagram of an aerosol generating device according to yet another embodiment
  • FIG13 is a schematic structural diagram of an atomizer according to another embodiment from one perspective
  • FIG14 is a cross-sectional schematic diagram of the atomizer in FIG13 from one viewing angle
  • FIG15 is a schematic diagram of an aerosol generating system formed by receiving the atomizer of FIG13 into the aerosol generating device of FIG12;
  • FIG. 16 is a schematic diagram of some basic components of a circuit according to an embodiment.
  • the aerosol generating system may include two or more parts that are separated or replaced from each other, which, when combined, form a complete combined use state of the aerosol generating system and can generate aerosol in response to user operations.
  • the aerosol generating system includes an aerosol generating device; the aerosol generating device can be selectively used in combination with at least two types of consumer products of different types to form.
  • the aerosol generating device can be selectively used with any one of the first type of consumer products or the second type of consumer products to form an aerosol generating system to generate an aerosol.
  • the aerosol generating device when configured so that it can only receive one consumable product at a time; for example, in some embodiments, the aerosol generating device can only receive a first type of consumable product at a time. consumable or one of the second type of consumable, but not both at the same time.
  • the aerosol generating device may include a detection unit, the detection unit detection system is configured to detect the presence of a first type of consumer product or a second type of consumer product inserted into the aerosol generating device.
  • the detection unit can be used to detect or identify the type of consumer product incorporated into the aerosol generating device, so that the operation of the aerosol generating device, in particular the output such as heating or power, is optimized to match or adapt to the corresponding first type of consumer product or second type of consumer product.
  • the aerosol generating device when the detection unit detects that the first type of consumer product is inserted into the aerosol generating device, the aerosol generating device is controlled to start operating in a first power output mode; and when the detection unit detects that the second type of consumer product is inserted into the aerosol generating device, the aerosol generating device is controlled to start operating in a second power output mode.
  • the detection unit may include a color sensor to determine the type of the consumable product by detecting the color of the consumable product combined with the aerosol generating device.
  • the aerosol generating device can determine the type of the consumer product by detecting the physical properties of the electronic components in the consumer product.
  • the aforementioned physical properties may include, for example, one or more of the resistance value, inductance value, voltage value, capacitance value, magnetism, etc. of the electronic components in the consumer product.
  • the detection element may include a detection function circuit, such as the circuit module described below.
  • the first type of consumer product or the second type of consumer product each has a different heating element; the aerosol generating device can determine the type of the consumer product by detecting the characteristics of the heating element in the consumer product.
  • the first type of consumer product may include an atomizer that stores a liquid base in a liquid state and vaporizes at least one component of the liquid base to generate an aerosol.
  • the liquid base may include glycerin, propylene glycol, etc., which can be heated and vaporized to generate an aerosol.
  • the second type of consumer product may include a solid aerosol-generating product, which is heated to volatilize or release at least one component of the solid aerosol-generating product to form an aerosol for inhalation.
  • the solid aerosol-generating product preferably uses a tobacco-containing material that releases volatile compounds from the matrix when heated; or it can also be a non-tobacco material that can be heated and suitable for electric heating to produce smoke.
  • the aerosol-generating product preferably uses a solid matrix, which can include herb leaves, dried flowers, One or more of powder, particles, shredded strips, ribbons or sheets of one or more of herbal crops, tobacco leaves, homogenized tobacco, and expanded tobacco that can emit volatile aroma; alternatively, the solid matrix can contain additional tobacco or non-tobacco volatile aroma compounds to be released when the matrix is heated.
  • a solid matrix which can include herb leaves, dried flowers, One or more of powder, particles, shredded strips, ribbons or sheets of one or more of herbal crops, tobacco leaves, homogenized tobacco, and expanded tobacco that can emit volatile aroma; alternatively, the solid matrix can contain additional tobacco or non-tobacco volatile aroma compounds to be released when the matrix is heated.
  • FIG. 1 and FIG. 2 show schematic diagrams of an aerosol generating device 200 according to an embodiment.
  • the aerosol generating device 200 comprises:
  • the proximal end 2110 and the distal end 2120 are opposed to each other in the longitudinal direction; in use, the proximal end 2110 is the end for receiving a consumer product such as a nebulizer 100 or an aerosol-generating article 300 .
  • the aerosol generating device 200 further includes:
  • the receiving cavity 270 is longitudinally extended, arranged adjacent to the proximal end 2110 and arranged along the longitudinal extension of the aerosol generating device 200; and the receiving cavity 270 has an opening located at the proximal end 2110 along the longitudinal direction; in use, a consumer product such as an aerosol generating article 300 can be received in the receiving cavity 270 through the opening, or removed from the receiving cavity 270.
  • one or more ridges 273 are arranged at the opening of the receiving cavity 270, arranged at intervals along the circumference of the receiving cavity 270; when the aerosol generating article 300 is received in the receiving cavity 270, the aerosol generating article 300 is radially clamped by the ridges 273, so that the aerosol generating article is retained in the receiving cavity 270.
  • the atomizer 100 can be detachably coupled to the proximal end 2110 of the aerosol generating device 200 .
  • the aerosol generating device 200 further includes:
  • An input element 201 for user operation is provided to form an input signal; and then the aerosol generating device controls the heating of the aerosol generating article 300 according to the user's input signal.
  • the input element 201 is selected from a mechanical button, a membrane button, a mechanical switch, a rotary encoder, a dial, a knob, a capacitive touch button, a resistive touch button, a joystick, a slider, a trigger button, a touch screen, and a magnetic switch.
  • a rechargeable power source 210 is used to output power; and the power source 210 is arranged near the distal end 2120;
  • the circuit board 220 includes, for example, a PCB board or an FPC board; the circuit board 220 is integrated with a circuit for controlling the operation of the aerosol generating device 200, and in particular, the circuit controls the power output by the power source 210. In FIGS. 1 and 2 , the circuit board 220 is arranged along the longitudinal extension of the aerosol generating device 200;
  • the bracket 240 is arranged along the longitudinal extension of the aerosol generating device 200; and the bracket 240 is located between the power supply 210 and the circuit board 220; the bracket 240 is used to at least partially accommodate and retain the power supply 210; and the circuit board 220 is fastened to the bracket 240 by a fastening component of a screw, thereby being supported and retained by the bracket 240.
  • the input element 201 is electrically connected to the circuit board 220 ; thus, the circuit can receive an input signal generated by a user operating the input element 201 , thereby controlling the heated aerosol generating article 300 .
  • the aerosol generating device 200 is further provided with:
  • the airflow sensor 250 is used to sense the airflow generated by the user sucking the nebulizer 100 when the nebulizer 100 is combined with the proximal end 2110 of the aerosol generating device 200; the airflow sensor 250 is used to sense the airflow generated by the user sucking the nebulizer 100; the circuit board 220 controls the power to be supplied to the nebulizer 100 according to the sensing result of the airflow sensor 250, so that the nebulizer 100 atomizes the liquid liquid matrix to generate aerosol.
  • the aerosol generating device 200 generates a changing magnetic field through the receiving cavity 270 to induce heating of the consumer product; specifically, an induction heating element may be arranged in the consumer product, and when the consumer product is received in the receiving cavity 270, the changing magnetic field can penetrate and generate heat to heat the consumer product to generate an aerosol.
  • the aerosol generating device 200 includes:
  • the coil support 230 surrounds and defines the receiving cavity 270; the coil support 230 is arranged near the proximal end 2110;
  • the induction coil 260 is arranged around the coil support 230 ; and the induction coil 260 is operably electrically connected to the circuit board 220 , so that a changing magnetic field can be generated in the receiving cavity 270 when an alternating current provided by the circuit board 220 flows through the induction coil 260 .
  • the circuit of the circuit board 220 includes a capacitor, and forms an LC resonant circuit with the induction coil 260 through the capacitor; and the circuit board 220 drives the LC resonant circuit to oscillate at a predetermined frequency to form an alternating current flowing through the induction coil 260, thereby causing the induction coil 260 to generate a changing magnetic field that can penetrate the receiving cavity 270.
  • the frequency of the alternating current supplied to the induction coil 260 by the circuit on the circuit board 220 is between 80KHz and 2000KHz.
  • the induction coil 260 has approximately 5 to 15 turns; and the induction coil 260 has an axial length of approximately 5 mm to 15 mm.
  • the aerosol generating device 200 further includes:
  • the air inlet 202 is arranged on the outer surface of the housing of the aerosol generating device 200 for allowing air to enter during inhalation; the air inlet 202 is arranged close to the proximal end 2110 .
  • the inner bottom wall of the receiving cavity 270 is also provided with:
  • the first communication port 233 is in airflow communication with the air inlet 202 through the air inlet passage 205; thus, during suction, the outside air entering through the air inlet 202 enters the receiving chamber 270 through the first communication port 233;
  • the second communication port 234 is in airflow communication with the airflow sensor 250 through the sensing channel 251; thus, during inhalation, the airflow sensor 250 can sense the airflow when the user inhales through the sensing channel 251 and the second communication port 234 to determine the user's inhalation action.
  • the air inlet channel 205 provides a flow path for air to enter the receiving cavity 270 from the air inlet 202, specifically including:
  • a first channel portion 203 extending from the air inlet 202 toward a distal end 2120;
  • the second channel portion 204 extends radially from the first channel portion 203 to the first communication opening 233 of the receiving cavity 270. In the embodiment shown in FIG.
  • the aerosol generating device 200 further includes:
  • the groove 2111 is located on the surface of the proximal end 2110; the groove 2111 is surrounded and defined by the end element 2113; and when at least part of the nebulizer 100 is received in the receiving chamber 270, the nebulizer 100 is at least partially accommodated or retained in the groove 2111 defined by the end element 2113, and the nebulizer 100 fits with the end element 2113, so that the nebulizer 100 is basically airtight at the proximal end 2110 and the aerosol generating device 200, so as to prevent the external air from passing between them and entering the receiving chamber 270 during inhalation; and the external air can only enter the receiving chamber 270 from the air inlet 202.
  • the end element 2113 can be made of a rigid polymer plastic; or in some other embodiments, the end element 2113 can be made of a flexible silicone, etc., which is beneficial for promoting airtightness with the nebulizer 100.
  • the end element 2113 is a housing that defines the aerosol generating device 200 after being assembled with other components of the aerosol generating device 200.
  • the end element 2113 is molded integrally with the housing of the aerosol generating device 200 , or the end element 2113 is part of the housing of the aerosol generating device 200 .
  • a latching protrusion 2112 is also arranged on the inner side wall of the groove 2111 defined by the end element 2113 for connecting with the groove 114 on the atomizer 100.
  • the connection between the latching protrusion 2112 and the groove 114 prevents the atomizer 100 from loosening.
  • the aerosol generating device 200 is further provided with:
  • the first magnetic element 280 is arranged adjacent to the proximal end 2110; accordingly, a magnetic second electrical contact 13 is arranged on the nebulizer 100; when the nebulizer 100 is received in the receiving cavity 270 and abuts against the proximal end 2110, the nebulizer 100 is stably received in the receiving cavity 270 through the magnetic attraction between the first magnetic element 280 and the magnetic second electrical contact 13.
  • the aerosol generating device 200 is further provided with:
  • the first electrical contact 290 is located outside the receiving cavity 270; and the first electrical contact 290 at least partially extends or is exposed in the groove 2111 defined by the end element 2113; and the first electrical contact 290 is arranged to penetrate the annular magnetic element 280.
  • the first electrical contact 290 and the second electrical contact 13 on the atomizer 100 are in contact and abutment to establish a conductive connection, so that the aerosol generating device 200 can provide power to the atomizer 100 to atomize the liquid matrix to generate an aerosol.
  • the first magnetic element 280 and the first electrical contact 290 are located outside the receiving cavity 270, and the first magnetic element 280 is arranged close to the end surface of the proximal end 2110. Therefore, when the atomizer 100 is received in the receiving cavity 270, the magnetic attraction between the first magnetic element 280 and the magnetic second electrical contact 13 keeps the atomizer 100 against and combined with the end element 2113.
  • FIGS. 8 and 9 show schematic diagrams of a solid aerosol generating article 300 used as a second type of consumer product received in a receiving chamber 270 of an aerosol generating device 200 to form an aerosol generating system in one embodiment; as shown in FIGS. 8 and 9 , in this embodiment, the aerosol generating article 300 includes:
  • the induction heating element 310 may be a susceptor made of a sensitive metal or alloy, such as Permalloy, stainless steel, iron alloy, nickel alloy, etc. Also, the induction heating element 310 may be a volatile component embedded in or surrounding the aerosol generating article 300. When the aerosol generating product 300 is received in the receiving cavity 270, the induction heating element 310 is located in the induction coil 260, and the induction heating element 310 can be penetrated by the magnetic field generated by the induction coil 260 to generate heat, thereby heating the volatile component material of the aerosol generating product 300 to generate aerosol.
  • a sensitive metal or alloy such as Permalloy, stainless steel, iron alloy, nickel alloy, etc.
  • the induction heating element 310 may be a volatile component embedded in or surrounding the aerosol generating article 300.
  • part of the aerosol generating article 300 such as the volatile component material part, is received in the receiving chamber 270 and heated, and part of the aerosol generating article 300, such as the filter part, is located outside the aerosol generating device 200 and is provided for inhalation by the user.
  • the circuit board 220 can respond to the user's operation on the input element 201, and drive the induction coil 260 to generate a magnetic field according to a heating curve of a predetermined time, so as to heat the induction heating element 310 on the aerosol generating article 300.
  • the applicant provides a variety of modes and content details about heating the aerosol generating article 300 according to a heating curve of a predetermined time in Chinese patent application CN112335940A, etc., and the above documents are fully incorporated herein by reference.
  • the aerosol generating article 300 abuts against the inner bottom wall of the receiving cavity 270 to form a stopper.
  • the aerosol generating article 300 is received in the receiving cavity 270, it is radially fixed under the radial clamping of the ridge 273, and a distance is maintained between the aerosol generating article 300 and the inner surface of the receiving cavity 270, and the distance is about 0.5 mm to 2.0 mm.
  • the main housing 10 is generally in the shape of a hollow cylinder, and of course the interior thereof is a necessary functional component for storing and atomizing a liquid matrix; the main housing 10 has a first end 110 and a second end 120 opposite to each other along the length direction.
  • the first end 110 is configured as an end for a user to inhale aerosol, and an air outlet 111 for the user to inhale is provided at the first end 110; and the second end 120 is used as an end combined with the proximal end 2110 of the aerosol generating device 200;
  • a liquid storage chamber 113 for storing a liquid matrix and an atomizing assembly for drawing a liquid matrix from the liquid storage chamber 113 and heating and atomizing the liquid matrix are provided inside the main housing 10.
  • An aerosol transmission tube 112 is provided in the main housing 10 along the axial direction, and the space between the aerosol transmission tube 112 and the inner wall of the main housing 10 forms a liquid storage chamber 113 for storing a liquid matrix; the aerosol transmission tube 112 extends to or terminates at the air outlet 111, so as to transmit the generated aerosol to the air outlet 111 for inhalation.
  • the atomizer 100 further includes:
  • the atomizing assembly is used to atomize at least part of the liquid matrix to generate an aerosol. As shown in FIG. 7 , the atomizing assembly is contained or held in the support element 20. Also, the support element 20 basically surrounds the atomizing assembly. The atomizing assembly is basically arranged perpendicular to the longitudinal direction of the main housing 10; the specific structure of the atomizing assembly includes:
  • the rigid porous body 30 is generally configured in a plate-like or sheet-like shape; and the porous body 30 has a first surface 31 and a second surface 32 that are separated from each other; the first surface 31 is arranged toward the liquid storage chamber 113 and is fluidically connected to the liquid storage chamber 113 to absorb the liquid matrix;
  • the resistance heating element 40 is arranged as a substantially planar heating element, and is combined with the second surface 32 of the porous body 30, and is used to heat at least part of the liquid matrix in the porous body 30 to generate an aerosol.
  • the support element 20 is provided with a liquid conducting channel 23 that connects the first surface 31 of the porous body 30 with the liquid storage chamber 113; thus, in use, the liquid matrix in the liquid storage chamber 113 is delivered to the first surface 31 of the porous body 30 via the liquid conducting channel 23 and is absorbed, as shown by arrow R1 in FIG7 .
  • the applicant provides details about the shape of an arched porous body element with an internal channel, and the configuration of the porous body element to absorb the liquid matrix and atomize the liquid matrix in Chinese patent application CN215684777U, and the entire text of the above document is incorporated herein by reference.
  • the porous body 30 includes a common porous body material, such as a rigid foam metal, porous ceramic, porous glass, etc. formed by mixing the raw material of the matrix with a pore-forming agent and sintering; and the disordered micropores arranged in large quantities inside the porous body 30 defined by the sintering of the pore-forming agent absorb and transmit the liquid matrix.
  • the porous body 30 is formed by forming a plurality of through holes in a predetermined direction on a dense matrix material by laser pore-forming, mechanical drilling or etching.
  • the dense matrix material may include, for example, dense glass, ceramic, etc.
  • the resistive heating element 40 may be a heating mesh, a heating sheet, a printed heating track, a deposited heating coating, a heating film, etc., which are bonded to the second surface 32.
  • the resistive heating element 40 is a resistive heating element 40 made of a resistive metal or alloy material; wherein the resistive metal or alloy may include, for example, iron-chromium-aluminum, iron-aluminum alloy, silver-palladium alloy, iron-nickel-aluminum alloy, titanium alloy, graphite alloy, etc.
  • an atomization chamber 41 is arranged between the support element 20 and the resistance heating element 40 to accommodate the aerosol released from the second surface 32.
  • the air inlet 22 is opposite to and connected to the atomization chamber 41, so that during inhalation, external air can enter the atomization chamber 41 from the air inlet 22; and the atomization chamber 41 is connected to the aerosol transmission tube 112 by airflow, so that during inhalation, the aerosol released in the atomization chamber 41 is transferred to the air outlet 111 via the aerosol transmission tube 112 for inhalation, as shown by arrow R2 in FIG7 .
  • the atomization chamber 41 is located on the side of the porous body 30 facing the second end 120 along the longitudinal direction of the atomizer 100.
  • the atomizer 100 further includes:
  • the flexible first sealing element 17 is located inside the supporting element 20 ; the first sealing element 17 is arranged between the supporting element 20 and the porous body 30 , thereby providing a seal therebetween.
  • the first sealing element 17 may be annular in shape, thereby being arranged around the porous body 30 .
  • the atomizer 100 further includes:
  • the flexible second sealing element 16 is configured in the shape of a cap; the second sealing element 16 is at least partially located between the support element 20 and the main housing 10, thereby providing a seal therebetween. Furthermore, the sealing element 16 is also at least partially located between the support element 20 and the aerosol output tube 11, thereby providing a seal therebetween.
  • the sealing element 16 is also provided with an avoidance hole 161 opposite to the liquid guide channel 23 of the support element 20, so that the liquid matrix in the liquid storage chamber 113 flows into the liquid guide channel 23 after passing through the avoidance hole 161.
  • FIG10 and FIG11 show schematic diagrams of an aerosol generating system formed by combining an atomizer 100 used for a first type of consumer product with an aerosol generating device 200 in an embodiment; as shown in FIG10 and FIG11 , part of the atomizer 100 is combined with a groove 2111 defined at the proximal end 2110 of the end element 2113 of the aerosol generating device 200, and a fastening connection is formed between the protrusion 2112 on the inner side wall of the groove 2111 of the end element 2113 and the groove 114 on the atomizer 100.
  • the first magnetic element 280 of the aerosol generating device 200 and the magnetic second electrical contact 13 of the atomizer 100 are attracted to each other, so that the atomizer 100 is stably received in the receiving chamber 270. As shown in FIG10 and FIG11 , the atomizer 100 is not extended into or received in the receiving chamber 270.
  • the airflow sensor 250 senses the airflow passing through the atomizer 100 caused by the user's inhalation through the sensing channel 251 and the second communication port 234 of the receiving chamber 270.
  • the air inlet 22 of the atomizer 100 is opposite to the receiving cavity 270 and is in airflow communication with the receiving cavity 270 .
  • the circuit on the circuit board 220 controls the first electrical contact 290 to output a direct current based on the sensing result of the airflow sensor 250, thereby providing power to the resistive heating element 40 of the atomizer 100, so that the resistive heating element 40 generates heat through resistive Joule heat to heat the liquid matrix of the porous body 30 to generate an aerosol.
  • the circuit board 220 when the airflow sensor 250 detects the user's suction action of the atomizer 100, responds to the sensing result of the airflow sensor 250 and controls the supply of direct current in a first power mode to supply direct current, so that the resistive heating element 40 of the atomizer 100 forms resistive Joule heat and heats when the direct current flows.
  • the first power mode is provided by the applicant, for example, in Chinese patent application CN115067564A, and the above document is incorporated herein by reference in its entirety. Or in some other implementations, power output can also be provided in a constant temperature heating mode.
  • the circuit board 220 when the circuit board 220 detects that the aerosol generating article 300 is received in the receiving cavity 270, the circuit board 220 responds to the input signal generated by the user operating the input element 201, and provides an alternating current to the induction coil 260 according to the second power mode, so that the induction coil 260 generates a magnetic field to induce the induction heating element 310 in the aerosol generating article 300 to heat the aerosol generating article 300 according to the heating curve of the predetermined time.
  • the applicant provides a variety of such first power modes and content details about making the induction heating element 310 heat the aerosol generating article 300 according to the heating curve of the predetermined time in Chinese patent application CN112335940A, etc., and the above-mentioned documents are fully incorporated herein by reference.
  • the circuit arranged on the circuit board 220 of the aerosol generating device 200 includes:
  • the DC output module includes a first switch S1, which is connected between the voltage output terminal of the power source 210, for example, the positive electrode and a first electrical contact 290, and the other of the first electrical contacts 290 is grounded and connected to the negative electrode of the power source 210; thereby, the DC voltage output by the power source 210 is provided to the resistance heating element 40 of the atomizer 100 via the first electrical contact 290 by controlling the first switch S1 to be turned on;
  • the AC output module includes a second switch S2 connected between the voltage output terminal of the power source 210 , such as the positive pole, and the inverter 222 ; wherein the inverter 222 is used to convert the DC voltage output by the power source 210 into an AC current and provide it to the induction coil 260 .
  • the inverter 222 includes an LC oscillator composed of a capacitor C1 and an induction coil 260, and an inverter bridge that drives the LC oscillator to oscillate to form an alternating current flowing through the induction coil 260.
  • the LC oscillator is a series connection of the capacitor C1 and the induction coil 260.
  • the LC oscillator may be a parallel LC oscillator or an LCC oscillator in which the capacitor C1 is connected in parallel with the induction coil 260; accordingly, the inverter bridge may also include a full bridge or an H bridge including four switch tubes.
  • the circuit 220 can detect the type of consumer product combined with the aerosol generating device 200, specifically, whether the consumer product combined with the aerosol generating device 200 is an aerosol generating product 300 or an atomizer 100; specifically, the circuit 220 may also include:
  • the detection unit is used to detect or identify the type of consumer product combined with the aerosol generating device 200, so that the operation of the aerosol generating device 200, especially the output such as heating or electricity, is optimized to match or adapt to the corresponding first type consumer product or second type consumer product.
  • the circuit determines the presence of the aerosol generating article 300 in the receiving cavity 270 by monitoring the electrical characteristics of the induction coil 260, such as the resonant frequency and/or the quality factor Q value and/or the resonant voltage and/or the resonant current.
  • the applicant provides the specific electronic module composition, component arrangement, principle and step details of the circuit on the circuit board 220 for detecting the electrical characteristics of the resonant frequency and/or the quality factor Q value and/or the resonant voltage and/or the resonant current of the induction coil 260 in Chinese patent applications CN114601199A and CN112806618A, etc., and the above documents are fully incorporated herein by reference.
  • one of the two first electrical contacts 290 is connected to the positive pole of the power supply 210 to serve as a positive contact, and the other is connected to the negative pole of the power supply 210 to serve as a negative contact, and the positive contact and the negative contact are arranged at intervals from each other and insulated from each other; based on the fact that when the atomizer 100 is combined with the aerosol generating device 200, the two first electrical contacts 290 are connected through the atomizer 100; the circuit 220 determines whether the atomizer 100 is combined with the aerosol generating device 200 by monitoring the change in resistance or voltage between the two first electrical contacts 290, and the switching of the state of electrical conduction or electrical disconnection.
  • the applicant provides in Chinese patent applications CN210782934U, CN210782935U, etc. a method for determining whether the atomizer 100 is combined with the aerosol generating device 200 based on the change of the resistance or voltage or the electrical conduction/disconnection state between the first electrical contacts 290 caused by the atomizer 100 being combined with the aerosol generating device 200.
  • the specific device arrangement, principle and step details of the circuit forming the device 200 are fully incorporated herein by reference.
  • the circuit board 220 when the circuit board 220 detects that the atomizer 100 is received in the aerosol generating device 200, the circuit board 220 is only controlled to provide a DC output to the first electrical contact 290 in response to the sensing result of the airflow sensor 250, and the circuit board 220 is prevented from controlling the supply of an alternating current to the induction coil 260 in response to an input signal generated by a user operating the input element 201.
  • the circuit board 220 detects that the aerosol generating article 300 is received in the receiving chamber 270, the circuit board 220 is only controlled to provide an alternating current to the induction coil 260 in response to an input signal generated by the input element 201, and the airflow sensor 250 is prevented from sensing the airflow flowing through the receiving chamber 270 generated by the user's inhalation.
  • FIG. 11 to 15 show a schematic diagram of an atomizer 100a and an aerosol generating device 200a according to another variant embodiment, and an aerosol generating system formed by combining them; in this embodiment, the aerosol generating device 200a includes:
  • a housing having a proximal end 2110a and a distal end 2120a opposite to each other in a longitudinal direction;
  • the input element 201a is electrically connected to the circuit board 220a to generate an input signal for a user to operate;
  • the induction coil 260a is arranged around the receiving cavity 270a; the induction coil 260a is operably electrically connected to the circuit board 220a, and the circuit board 220a can provide an alternating current to generate a changing magnetic field in the receiving cavity 270a;
  • the groove 2111a is located at the proximal end 2110a; when the atomizer 100a is coupled to the proximal end 2110a, at least a portion of the atomizer 100a is accommodated in the groove 2111a and abuts against the inner bottom wall of the groove 2111a;
  • the first magnetic element 280a is used to contact the magnetic second electrical contact 13a on the atomizer 100a
  • the first electrical contact 290a passes through the annular first magnetic element 280a and then extends into the groove 2111a.
  • the first electrical contact 290a contacts the magnetic second electrical contact 13a to form conduction, so as to supply power to the atomizer 100a.
  • the airflow sensor 250a is connected to the second communication port 234a of the receiving chamber 270a through the sensing channel 251a, so as to sense the airflow flowing through the receiving chamber 270a when the user inhales;
  • the air inlet 202a is arranged on the outer surface of the shell of the aerosol generating device 200a, and is connected to the first connecting port 233a of the receiving chamber 270a through the air inlet channel 205a, so as to supply external air to enter the receiving chamber 270a when the user inhales, as shown by the arrow R3 in Figure 11; and in this embodiment, the air inlet 202a is arranged in the longitudinal direction close to the side of the receiving chamber 270a facing away from the opening.
  • the atomizer 100a of this variation embodiment includes:
  • the housing 10a includes a first end 110a and a second end 120a opposite to each other in the longitudinal direction; the first end 110a of the housing 10a has an air outlet 111a for outputting aerosol for inhalation by a user; the second end 120a of the housing 10a has an air inlet 123a for allowing air to enter during inhalation.
  • the housing 10a includes a first shell 11a and a second shell 12a; the first shell 11a is close to and defines the first end 110a, and the second shell 12a is close to and defines the second end 120a.
  • the second housing 12a includes: a first portion 121a and a second portion 122a arranged in sequence along the longitudinal direction.
  • the first portion 121a extends into the first housing 11a and forms a tight fit and seal with the first housing 11a through interference fit;
  • the second portion 122a is cylindrical in shape and is located outside the first housing 11a.
  • the outer diameter of the first portion 121a of the second housing 12a is greater than the outer diameter of the second portion 122a, so that the second housing 12a has a step between the first portion 121a and the second portion 122a.
  • the second portion 122a of the second housing 12a extends into the receiving chamber 270a. Also, when the atomizer 100a is combined with the aerosol generating device 200a, the first portion 121a abuts against the inner bottom wall of the groove 2111a.
  • the second magnetic electrical contact 13a is arranged on the first portion 121a of the second housing 12a.
  • the atomizer 100a further includes:
  • the aerosol output tube 112a is arranged in the first housing 11a and extends from the gas outlet 111a toward the second end 120a, so as to output the aerosol in the atomizer 100a to the gas outlet 111a;
  • a liquid storage chamber 113a defined between the aerosol output tube 112a and the first housing 11a, for storing a liquid matrix
  • the inner tube 14a is located in the second shell 12a; the inner tube 14a extends from the first portion 121a of the second shell 12a to the second portion 122a; the inner tube 14a at least partially surrounds and is combined with the aerosol output tube 112a; and a liquid guide channel 15a is defined between the inner tube 14a and the second shell 12a; the inner tube 14a also has a through hole 141a, so that the liquid matrix in the liquid guide channel 15a can enter the inner tube 14a through the through hole 141a;
  • the atomization component is located in the inner tube 14a; the atomization component includes a liquid-conducting element 30a and a resistive heating element 40a, which are used to absorb the liquid matrix through the perforation 141a and heat and atomize to generate an aerosol; specifically, the liquid-conducting element 30a is connected to the liquid-conducting channel 15a through the perforation 141a to receive the liquid matrix; the resistive heating element 40a is combined with the liquid-conducting element 30a, and is used to heat at least part of the liquid matrix in the liquid-conducting element 30a to generate an aerosol.
  • the liquid-conducting element 30a is a capillary element or a porous element with internal pores, which can absorb and transfer the liquid matrix through capillary action.
  • the liquid-conducting element 30a may include a soft porous capillary element, such as fiber cotton, non-woven fabric, etc.; or, the liquid-conducting element 30a may include a rigid porous element, such as porous ceramics, porous glass, foam metal, etc.
  • the resistive heating element 40a can be in the form of a heating track, a heating film, a heating coating, a heating mesh or a heating coil, etc., which are combined on the liquid-conducting element 30a.
  • the liquid-conducting element 30a is in a hollow cylindrical shape; the liquid-conducting element 30a includes an outer surface and an inner surface that are radially opposed to each other; the outer surface of the liquid-conducting element 30a is configured as a liquid-absorbing surface for communicating with the liquid storage chamber 113a fluid to absorb the liquid matrix, as shown by arrow R1 in FIG.
  • the inner surface of the liquid-conducting element 30a is configured as an atomizing surface
  • the resistive heating element 40a is arranged in combination with or adjacent to the inner surface of the liquid-conducting element 30a to heat the liquid matrix to generate an aerosol and release it from the atomizing surface; and then during the suction, it is transferred to the suction port 111a along with the suction airflow to be inhaled, as shown by arrow R2 in FIG. 14 .
  • the liquid-conducting element 30a can also be arranged to be roughly sheet-shaped, plate-shaped, or block-shaped, The two side surfaces opposite to each other in the thickness direction serve as the liquid absorption surface and the atomization surface respectively.
  • the atomizer 100a further includes:
  • the resistance heating element 40a is made of a resistive metal or alloy material. Also, both ends of the resistance heating element 40a are connected to the magnetic second electrical contact 13a by welding conductive wires, etc., so that in use, the second electrical contact 13a guides a direct current on the resistance heating element 40a, causing the resistance heating element 40a to heat up through resistive Joule heat.
  • the above aerosol generating device 200a can also receive the aerosol generating article 300 having the induction heating element 310 through the receiving cavity 270a, and generate aerosol by inducing the induction heating element 310 to heat the aerosol generating article 300 by generating a magnetic field by the induction coil 260a.
  • the second part 122a of the second shell 12a of the atomizer 100a defines a longitudinal or slender part extending into the receiving chamber 270a, so as to receive the heated atomized liquid matrix in the receiving chamber 270a through the slender part; and the first part 121a of the first shell 11a and the second shell 12a is used as the main body exposed outside the receiving chamber 270a.
  • the magnetic second electrical contact 13a is arranged on the main body to be magnetically attracted to the first magnetic element 280a, and to abut against the first electrical contact 290a to form electrical conduction; so that the main body of the atomizer 100a exposed outside the receiving chamber 270a abuts or is combined with the end element 2113a.
  • the main body portion includes a first side and a second side opposite to each other in the longitudinal direction; wherein the first side is a side away from the air outlet 111a, and the second side is a side of the air outlet 111a; and the slender portion is formed by extending from the first side of the main body portion away from the air outlet 111a or away from the second side, so that at least part of the surface of the main body portion on the first side is an exposed surface and avoids the slender portion; the liquid storage chamber 113a can be located only in the main body portion, or extend from the main body portion to the slender portion; and the resistive heating element is located in the slender portion; and the magnetic second electrical contact 13a Located on the first side of the main body portion and extending from the main body portion to the exposed surface.
  • the above resistance heating element 40 / 40a may also be an electrically induced infrared heating element, a microwave heating element, etc. powered by the second electrical contact 13 / 13a.

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Abstract

La présente demande concerne un dispositif de génération d'aérosol et un système de génération d'aérosol. Le dispositif de génération d'aérosol comprend : une source d'alimentation ; une cavité de réception qui est utilisée pour recevoir un produit de génération d'aérosol comprenant un premier élément chauffant ; une bobine d'induction qui est reliée à la source d'alimentation et qui est disposée au moins partiellement autour de la cavité de réception, la bobine d'induction générant un champ magnétique changeant lorsqu'elle est mise sous tension, de façon à amener le premier élément chauffant à chauffer le produit de génération d'aérosol ; et un premier contact électrique qui est connecté à la source d'alimentation et est situé à l'extérieur de la cavité de réception ou évite la cavité de réception, lorsqu'un atomiseur comprenant un second élément chauffant et une matrice liquide est combiné au dispositif de génération d'aérosol, le premier contact électrique est conçu pour délivrer un courant continu au second élément chauffant, et ainsi le second élément chauffant chauffe la matrice liquide pour générer un aérosol. Le dispositif de génération d'aérosol peut générer un champ magnétique au moyen d'une bobine d'induction, de façon à induire le chauffage d'un produit de génération d'aérosol, et peut délivrer un courant continu au moyen d'un premier contact électrique, de façon à fournir de l'énergie à un atomiseur pour chauffer et atomiser une matrice liquide.
PCT/CN2024/102925 2023-07-24 2024-07-01 Dispositif de génération d'aérosol et système de génération d'aérosol Pending WO2025020868A1 (fr)

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CN202310917370.0A CN119344507A (zh) 2023-07-24 2023-07-24 气溶胶生成装置及气溶胶生成系统

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Citations (6)

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CN113455703A (zh) * 2021-06-01 2021-10-01 深圳市华诚达精密工业有限公司 便于自动化装配的雾化组件、雾化装置及其制造方法
CN114929042A (zh) * 2020-01-30 2022-08-19 菲利普莫里斯生产公司 具有感觉介质筒的气溶胶生成装置
CN217609612U (zh) * 2021-09-28 2022-10-21 深圳市合元科技有限公司 储液容器、雾化器以及气溶胶生成装置
CN218354588U (zh) * 2022-05-17 2023-01-24 深圳市合元科技有限公司 电源组件及电子雾化装置
WO2023125859A1 (fr) * 2021-12-31 2023-07-06 深圳市合元科技有限公司 Atomiseur et dispositif d'atomisation électronique
CN116456848A (zh) * 2020-09-30 2023-07-18 菲利普莫里斯生产公司 具有用于识别与其一起使用的气溶胶生成制品的类型的装置的气溶胶生成装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114929042A (zh) * 2020-01-30 2022-08-19 菲利普莫里斯生产公司 具有感觉介质筒的气溶胶生成装置
CN116456848A (zh) * 2020-09-30 2023-07-18 菲利普莫里斯生产公司 具有用于识别与其一起使用的气溶胶生成制品的类型的装置的气溶胶生成装置
CN113455703A (zh) * 2021-06-01 2021-10-01 深圳市华诚达精密工业有限公司 便于自动化装配的雾化组件、雾化装置及其制造方法
CN217609612U (zh) * 2021-09-28 2022-10-21 深圳市合元科技有限公司 储液容器、雾化器以及气溶胶生成装置
WO2023125859A1 (fr) * 2021-12-31 2023-07-06 深圳市合元科技有限公司 Atomiseur et dispositif d'atomisation électronique
CN218354588U (zh) * 2022-05-17 2023-01-24 深圳市合元科技有限公司 电源组件及电子雾化装置

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