EP4122334A1 - Dispositif d'alimentation électrique et dispositif de génération d'aérosol - Google Patents

Dispositif d'alimentation électrique et dispositif de génération d'aérosol Download PDF

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Publication number
EP4122334A1
EP4122334A1 EP21772442.6A EP21772442A EP4122334A1 EP 4122334 A1 EP4122334 A1 EP 4122334A1 EP 21772442 A EP21772442 A EP 21772442A EP 4122334 A1 EP4122334 A1 EP 4122334A1
Authority
EP
European Patent Office
Prior art keywords
power supply
liquid storage
supply device
atomizing
hole
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
EP21772442.6A
Other languages
German (de)
English (en)
Other versions
EP4122334A4 (fr
Inventor
Weihua Qiu
Yonglin Wang
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.)
Changzhou Paiteng Electronic Technology Co Ltd
Original Assignee
Changzhou Paiteng Electronic 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 Changzhou Paiteng Electronic Technology Co Ltd filed Critical Changzhou Paiteng Electronic Technology Co Ltd
Publication of EP4122334A1 publication Critical patent/EP4122334A1/fr
Publication of EP4122334A4 publication Critical patent/EP4122334A4/fr
Pending legal-status Critical Current

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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
    • A24F40/50—Control or monitoring
    • A24F40/51—Arrangement of sensors
    • 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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/90—Arrangements or methods specially adapted for charging batteries thereof

Definitions

  • the present disclosure relates to the technical field of simulated smoking, in particular to a power supply device and an aerosol generating device using the power supply device.
  • the aerosol generating device includes an atomizer and a power supply device, the atomizer includes a liquid storage member and an atomizing assembly received in the liquid storage member.
  • the liquid storage member is configured for storing aerosol-forming substrate and supplying the aerosol-forming substrate to the atomizing assembly.
  • the atomizing assembly heats the aerosol-forming substrate supplied by the liquid storage member under the electric driving of the power supply device, the aerosol-forming substrate is heated to form smoke that flows out of the smoke outlet for the user to inhale.
  • the existing power supply device automatically controls the turning on or turning off of the aerosol generating device by arranging a sensor in the sensing passage to sense the user's suction signal.
  • the atomizing assembly stops heating the aerosol-forming substrate, during a relatively long placement, the atomized smoke gradually cools and liquefies to produce condensate; when the condensate falls due to its own gravity, it can pass through the assembly gap of various components of the atomizer and flow to the sensor through the sensing passage, thereby affecting the detection of the sensor.
  • a power supply device for an aerosol generating device includes an atomizer and the power supply device, an airflow passage is formed inside the atomizer.
  • the power supply device includes a power supply main body and a sensor.
  • a sensing passage, a filtering chamber and a communication hole are provided in the power supply main body.
  • the sensing passage is separated from the filtering chamber, the communication hole communicates with the sensing passage and the filtering chamber.
  • the sensor is disposed in the sensing passage, the sensor is configured to detect physical characteristics and suction signals of gas in the sensing passage.
  • One end of the power supply main body is provided with a connecting end, the connecting end is configured to connect with the atomizer.
  • a through hole is provided through the connecting end, the through hole communicates with the filtering chamber and the airflow passage.
  • the filtering chamber is configured for preventing solids and/or liquids from entering the sensing passage through the communication hole.
  • the power supply main body includes a housing, and a sealing member and a bracket provided in the housing.
  • the sealing member is the connecting end,
  • the sensing passage is provided inside the bracket, the bracket is arranged between the sealing member and the sensor.
  • the communication hole is provided through the bracket, the communication hole is staggered from the through hole.
  • the filtering chamber is formed by a space between the bracket and the sealing member.
  • a filter element is provided in the filtering chamber, and the filter element is made of a material that is easy to intercept solids and/or liquids.
  • the bracket is provided with a barrier wall, the barrier wall protrudes upward from the bracket, a space defined by the barrier wall is a liquid storage cavity, the liquid storage cavity is aligned with the through hole.
  • liquid absorbing element is provided in the liquid storage cavity, the liquid absorbing element is made of a material with good adsorption properties.
  • the power supply device further includes a USB charging structure provided on the housing, and a controller, a PCB and a power source provided in the housing, the USB charging structure and the PCB are electrically connected to the power source, the controller is mounted on the PCB, the controller is electrically connected to the sensor.
  • An aerosol generating device includes the power supply device according to any one of claims 1 to 6 and an atomizer electrically connected to the power supply device.
  • the atomizer includes a liquid storage assembly and an atomizing assembly
  • the liquid storage assembly includes a liquid storage member and a venting member provided in the liquid storage member
  • the liquid storage member is provided with a smoke outlet hole that communicates with the outside environment
  • an inner cavity of the venting member is a smoke outlet passage that communicates with the smoke outlet hole
  • the atomizing assembly is arranged in the liquid storage member
  • an atomizing chamber is provided in the atomizing assembly, the atomizing chamber communicates with the smoke outlet passage.
  • an inner cavity of the liquid storage member is a liquid storage chamber configured for storing aerosol-forming substrate
  • the atomizing assembly includes an atomizing upper cover disposed in the liquid storage member, the atomizing upper cover is provided with a liquid guiding hole that communicates with the atomizing chamber and the liquid storage chamber.
  • the atomizing assembly further includes a base connected with the liquid storage member and a heating structure installed on the base, the heating structure includes a liquid absorbing member and a heating member, the heating member is in contact with the liquid absorbing member, the space in which the heating member heats and atomizes the aerosol-forming substrate is the atomizing chamber, the base is provided with a flow-guiding hole that communicates with the atomizing chamber and the sensing passage.
  • the filtering chamber can intercept solids and/or liquids from entering the sensing passage through the communication hole; therefore, when the solids and/or liquids fall from the airflow passage, the solids and/or liquids in the aerosol generating device can be prevented from flowing into the sensing passage through the filtering chamber, so as to prevent the solids and/or liquids from flowing into the sensing passage and contacting with the sensor to cause the circuit of the sensor to be short-circuited, thereby improving the service life of the sensor.
  • aerosol generating device 100 atomizer 10 sealing member 22 housing 211 through hole 221 bracket 212 first limiting portion 2122 second limiting portion 2123 sensor sealing member 26 liquid storage assembly 101 smoke outlet passage 12 liquid storage member 13 liquid storage chamber 131 smoke outlet hole 132 heating structure 17 liquid absorbing member 171 electrode contact member 162 sealing ring 163 filtering chamber 2112 power supply device 20 power main body 21 sensing passage 2111 sensor 23 communication hole 2121 power supply 24 liquid storage cavity 2124 USB charging structure 25 atomizing assembly 102 liquid sealing member 18 venting member 14 atomizing upper cover 15 liquid guiding hole 151 base 16 heating member 172 flow-guiding hole 161 barrier wall 2125 atomizing chamber 173
  • the present disclosure provides an aerosol generating device 100
  • the aerosol generating device 100 includes an atomizer 10 and a power supply device 20.
  • the atomizer 10 When the atomizer 10 is electrically connected to the power supply device 20, the atomizer 10 heats the aerosol-forming substrate under the electric drive of the power supply device 20 to atomize the aerosol-forming substrate into smoke.
  • axial direction refers to the connection direction of the atomizer 10 and the power supply device 20
  • radial direction refers to a direction perpendicular to the "axial direction”.
  • Lower end refers to the end of each component or part of the atomizer 10 that is close to the power supply device 20 in the axial direction of the atomizer 10.
  • Upper end refers to the end of each component or part of the atomizer 10 that is away from the power supply device 20 in the axial direction of the atomizer 10.
  • Upper end surface refers to the flat and/or curved surface of the upper end
  • lower end surface refers to the flat and/or curved surface of the lower end.
  • the power supply device 20 includes a power supply main body 21 and a sensor 23.
  • a sensing passage 2111, a filtering chamber 2112 and a communication hole 2121 are provided in the power supply main body 21.
  • the sensing passage 2111 is separated from the filtering chamber 2112, and the communication hole 2121 communicates with the sensing passage 2111 and the filtering chamber 2112.
  • the sensor 23 is disposed in the sensing passage 2111, the sensor 23 is configured to detect the physical characteristics and suction signals of the gas in the sensing passage 2111.
  • One end of the power supply main body 21 is provided with a connecting end, the connecting end is configured to connect with the atomizer 10.
  • a through hole 221 is provided through the connecting end, the through hole 221 communicates with the filtering chamber 2112 and the airflow passage, the filtering chamber 2112 is configured for preventing solids and/or liquids from entering the sensing passage 2111 through the communication hole 2121.
  • the power supply main body 21 includes a housing 211, and a sealing member 22 and a bracket 212 provided in the housing 211.
  • a controller electrically connected to the sensor 23 is provided in the housing 211.
  • the sealing member 22 is the connecting end, and the through hole 221 is provided through the sealing member 22.
  • the sensing passage 2111 is provided inside the bracket 212.
  • the bracket 212 is arranged between the sealing member 22 and the sensor 23.
  • the communication hole 2121 is provided through the bracket 212, the communication hole 2121 is staggered from the through hole 221.
  • the filtering chamber 2112 is formed by the space between the bracket 212 and the sealing member 22, thereby preventing solids and/or liquids from flowing into the sensing passage 2111 from the communication hole 2121.
  • the arrangement positions of the sealing member 22 and the bracket 212 can be interchanged. That is, the bracket 212 is the connecting end, the through hole 221 is provided through the bracket 212, the sensing passage 2111 is provided inside the sealing member 22, the sealing member 22 is arranged between the bracket 212 and the sensor 23, and the communication hole 2121 is provided through the sealing member 22.
  • the temperature of the smoke formed by the atomizer 10 heating the aerosol-forming substrate is relatively high, and some of the smoke may not be sucked out.
  • the atomized smoke gradually cools and is liquefied to generate aerosol-forming substrate during the long-term placement of the atomizer 10, and the aerosol-forming substrate may leak out of the atomizer 10 through the airflow passage.
  • the viscosity of the aerosol-forming substrate decreases when heated; after the atomizer 10 stops heating the aerosol-forming substrate, the aerosol-forming substrate that has not been atomized remains in the atomizer 10, and the aerosol-forming substrate may leak out of the atomizer 10 through the airflow passage.
  • the aerosol-forming substrate in the atomizer 10 may leak out of the atomizer 10 through a poorly sealed location. The aerosol-forming substrate leaked out of the atomizer 10 may leak into the power supply unit 20 through the airflow passage, after the sensing passage 2111 is blocked by the aerosol-forming substrate, the normal operation of the power supply device 20 will be affected, thereby affecting the use by the user.
  • a filter element is provided in the filtering chamber 2112, the filter element is made of cotton or cotton cloth or other materials that are easy to intercept solids and/or liquids.
  • the sensing passage 2111 is configured to conduct the physical characteristics and suction signals of the gas to the sensor 23, wherein the physical characteristics and suction signals of the gas include but are not limited to airflow or air pressure.
  • the power supply 24 in the power supply device 20 supplies power to the atomizer 10.
  • an atomizing chamber 173 that communicates with the through hole 221 and a smoke outlet passage 12 that communicates between the atomizing chamber 173 and the outside environment are provided in the atomizer 10.
  • the sensor 23 is a pressure sensor, the air in the sensing passage 2111 is at least partially sucked out under the action of suction, the air pressure in the sensing passage 2111 decreases, and the pressure sensor senses this air pressure change, generates a trigger signal and sends it to the controller, such that the controller receives the trigger signal and controls the power supply 24 to supply power to the atomizer 10.
  • the senor 23 is an airflow sensor.
  • the housing 211 is provided with a ventilation hole that communicates with the outside environment, the outside air flows into the sensing passage 2111 through the ventilation hole under the action of suction, the airflow in the sensing passage 2111 passes through the airflow sensor, the airflow sensor generates an airflow signal after sensing the airflow change, and after the airflow signal is transmitted to the controller, the controller controls the power supply 24 to supply power to the atomizer 10.
  • the communication hole 2121 communicates with the sensing passage 2111 and the filtering chamber 2112, the through hole 221 is provided through the connecting end, the through hole 221 communicates with the filtering chamber 2112 and the airflow passage, the filtering chamber 2112 can prevent solids and/or liquids from entering the sensing passage 2111 through the communication hole 2121.
  • the solids and/or liquids in the aerosol generating device 100 can be prevented from flowing into the sensing passage 2111 through the filtering chamber 2112; thus, the solids and/or liquids are prevented from flowing into the sensing passage 2111 and contacting with the sensor 23 to cause the circuit of the sensor 23 to be short-circuited, thereby improving the service life of the sensor 23.
  • the sealing member 22 is the connecting end used to connect with the atomizer 10, the sealing member 22 is configured to seal the opening of the power supply device 20 and divide the power supply device 20 into the inside of the power supply device 20 and the outside of the power supply device 10.
  • the inside of the power supply device 20 is configured to place components such as the sensor 23 and the controller, and the outside of the power supply device 20 is configured to connect with the atomizer 10.
  • the side wall of the sealing member 22 abuts against the inner wall of the housing 211, such that the sealing member 22 is fixed in the housing 211.
  • the gap between the two can be sealed to prevent the aerosol-forming substrate from flowing into the interior of the power supply device 20 through the gap and affecting the use of the aerosol-generating device 100.
  • the sealing member 22 is made of a material with good sealing properties such as silicone or rubber. It can be understood that, in another embodiment, the sealing member 22 can also be integrally formed with the housing 211.
  • the bracket 212 is provided with a barrier wall 2125, the barrier wall 2125 includes a first limiting portion 2122 and a second limiting portion 2123, the first limiting portion 2122 and the second limiting portion 2123 protrude upward from the bracket 212.
  • the space between the first limiting portion 2122 and the second limiting portion 2123 forms a liquid storage cavity 2124.
  • the liquid storage cavity 2124 is aligned with the through hole 221.
  • the aerosol-forming substrate in the aerosol generating device 100 can flow into the liquid storage cavity 2124 through the through hole 221.
  • the aerosol-forming substrate in the liquid storage cavity 2124 can be cleaned by separating the atomizer 10 from the power supply device 20, which is convenient to operate.
  • first limiting portion 2122 and the second limiting portion 2123 are provided on the upper end surface of the bracket 212.
  • the first limiting portion 2122 and the second limiting portion 2123 are formed by protruding upward along the axial direction of the housing 211.
  • the first limiting portion 2122 and the second limiting portion 2123 are integrally formed with the bracket 212. It can be understood that, in another embodiment, both the first limiting portion 2122 and the second limiting portion 2123 are detachably connected to the bracket 212, and the detachable connection includes but is not limited to snapping connection or plugging connection.
  • a liquid absorbing element is provided in the liquid storage cavity 2124, and the liquid absorbing element is used for absorbing the aerosol-forming substrate.
  • the liquid absorbing element is made of a material with good adsorption properties such as cotton or cotton cloth.
  • the bracket 212 is detachably connected to the housing 211 by means of snapping connection or plugging connection.
  • the bracket 212 can also be fixedly connected to the sealing member 22, and the fixed connection includes but is not limited to snapping connection or plugging connection. It can be understood that, in another embodiment, the bracket 212 and the housing 211 are integrally formed.
  • the power supply device 20 further includes a USB (universal serial bus) charging structure 25 provided on the housing 211 and a PCB (printed circuit board) provided in the housing 211.
  • the USB charging structure 25 and the PCB are electrically connected to the power source 24.
  • the controller is mounted on the PCB.
  • the charging interface in the USB charging structure 25 passes through the housing 211 and extends to the outside environment. When the charging interface is activated, the power supply device 20 can be charged through the charging interface.
  • the sensing passage 2111 is in communication with the charging interface, the sensor 23 is a differential pressure sensor; under the action of suction, one side of the sensing passage 2111 facing the smoke outlet passage 12 generates negative pressure, and the other side of the sensing passage 2111 facing the USB interface is at normal pressure.
  • a pressure difference is generated at opposite sides of the differential pressure sensor, thereby generating a suction signal, and then the suction signal is transmitted to the controller, and the controller controls the power supply 24 to supply power to the atomizer 10.
  • the sensing passage 2111 When the user stops sucking, because the sensing passage 2111 is connected to the outside environment, the air pressure in the sensing passage 2111 is restored, the sensor 23 senses the restoration of the air pressure, and then generates a shutdown signal and sends it to the controller, the controller receives the shutdown signal and controls the power supply 24 to stop supplying power to the atomizer 10.
  • a sensor sealing member 26 is sleeved on the sensor 23, and the sensor sealing member 26 is made of a material with good sealing performance such as silicone or rubber.
  • the upper end of the housing 211 is at least partially and detachably sleeved on the outside of the atomizer 10, so that the power supply device 20 and the atomizer 10 are detachably connected.
  • the detachable connection includes but is not limited to snapping connection or plugging connection.
  • the housing 211 is provided with an air inlet hole that communicates with the outside environment.
  • the atomizer 10 includes a liquid storage assembly 101 and an atomizing assembly 102 provided with the atomizing chamber 173.
  • the liquid storage assembly 101 includes a liquid storage member 13 and a venting member 14 provided in the liquid storage member 13.
  • the inner cavity of the liquid storage member 13 is the liquid storage chamber 131 for storing the aerosol-forming substrate.
  • the liquid storage member 13 is provided with a smoke outlet hole 132 communicating with the outside environment.
  • the inner cavity of the venting member 14 is the smoke outlet passage 12.
  • the smoke outlet passage 12 communicates with the atomizing chamber 173 and the smoke outlet hole 132.
  • the atomizing assembly 102 can heat the aerosol-forming substrate flowing into the atomizing chamber 173 under the electric drive of the power supply device 20, and the smoke generated by heating the aerosol-forming substrate is mainly filled in the atomizing chamber 173.
  • the smoke outlet hole 132 is provided at the upper end of the liquid storage member 13.
  • the inner wall of the liquid storage member 13 extends downward along the axial direction of the liquid storage member 13 to form the venting member 14 located around the smoke outlet hole 132.
  • the venting member 14 and the liquid storage member 13 are integrally formed. It can be understood that, in another embodiment, the venting member 14 and the liquid storage member 13 are detachably connected by means of snapping connection or plugging connection.
  • the liquid storage member 13 is pre-packaged, i.e., the aerosol-forming substrate is pre-injected into the liquid storage chamber 131. After the aerosol-forming substrate is consumed up, the user can discard the liquid storage assembly 101 separately, because the liquid storage assembly 101 cannot be refilled with liquid.
  • the atomizing assembly 102 includes an atomizing upper cover 15 disposed in the liquid storage member 13, a base 16 connected with the liquid storage member 13, and a heating structure 17 installed on the base 16.
  • the heating structure 17 includes a liquid absorbing member 171 and a heating member 172, and the heating member 172 is in contact with the liquid absorbing member 171.
  • the lower end of the liquid storage member 13 is an open end.
  • the side wall of the atomizing upper cover 15 abuts against the inner wall of the liquid storage chamber 131 to seal the open end of the liquid storage member 13.
  • the atomizing upper cover 15 is provided with at least one liquid guiding hole 151 communicating with the atomizing assembly 102 and the liquid storage chamber 131. It can be understood that, in another embodiment, the atomizing upper cover 15 can also be integrally formed with the liquid storage member 13.
  • the base 16 and the liquid storage member 13 are detachably connected by means of snapping connection or plugging connection. It can be understood that, in another embodiment, the base 16 and the liquid storage member 13 are integrally formed.
  • the base 16 in order to improve the connection stability between the atomizing upper cover 15 and the liquid storage member 13, the base 16 is further detachably connected with the atomizing upper cover 15, and the detachable connection includes but is not limited to snapping connection or plugging connection and so on.
  • the base 16 is snap-connected to the atomizing upper cover 15. It can be understood that, in another embodiment, the base 16 and the atomizing upper cover 15 can also be integrally formed.
  • the base 16 is provided with a flow-guiding hole 161 communicating with the atomizing chamber 173 and the through hole 221.
  • Two electrode contact members 162 are arranged on the base 16 at intervals, one end of each of the two electrode contact members 162 is electrically connected to one of the two pins of the heating member 172, the other end of each of the two electrode contact members 162 is electrically connected to one of the positive and negative electrodes of the power supply device 20.
  • the two electrode contact members 162 are both made of conductive materials such as iron, cobalt or nickel, wherein one of the electrode contact members 162 is used as a positive contact, and the other electrode contact member 162 is used as a negative contact.
  • a sealing ring 163 is sleeved on each electrode contact member 162 to prevent the aerosol-forming substrate in the atomizer 10 from leaking to the outside environment, and further prevent the aerosol-forming substrate in the atomizer 10 from flowing to the electrode contact member 162, to improve the connection stability between the electrode contact members 162 and the power supply device 20.
  • the heating member 172 may be disposed outside the liquid absorbing member 171 and/or inside the liquid absorbing member 171.
  • the liquid absorbing member 171 can gradually absorb the aerosol-forming substrate in the liquid storage chamber 131 and conduct the absorbed aerosol-forming substrate to the heating member 172.
  • the heating member 172 is electrically connected to the power supply device 20.
  • the heating member 172 is electrically driven by the power supply device 20 to heat the aerosol-forming substrate.
  • the space in which the heating member 172 heats and atomizes the aerosol-forming substrate is the atomizing chamber 173.
  • the airflow passage is a passage constituted by the air inlet hole, the flow-guiding hole 161, the atomizing chamber 173, the smoke outlet passage 12 and the smoke outlet hole 132.
  • the liquid absorbing member 171 may be made of a porous material with a fixed shape and liquid-conducting ability.
  • the liquid absorbing member 171 is made of a porous ceramic material.
  • the liquid absorbing member 171 made of porous ceramic material has many interconnected capillary pores.
  • the aerosol-forming substrate in the liquid storage chamber 131 is in contact with the liquid absorbing member 171, the aerosol-forming substrate is conducted along the surface of the liquid absorbing member 171.
  • the liquid absorbing member 171 will generate capillary action to absorb the aerosol-forming substrate to move into the capillary pores, thereby conducting the aerosol-forming substrate to the heating member 172.
  • the liquid absorbing member 171 can also be made of a material that is easy to absorb liquid, such as cotton or cotton cloth.
  • the heating member 172 may be made of any material with electrical conductivity, such as stainless steel or nichrome.
  • the heating member 172 is a heating sheet, and the heating member 172 is disposed on the lower end surface of the liquid absorbing member 171 by sintering.
  • the liquid absorbing member 171 is made by printing the resistive paste in the ceramic body and then laminating and sintering by hot pressing.
  • the heating member 172 is a printed resistive layer at the lower end surface of the liquid absorbing member 171. Since the heating member 172 is closely attached to the liquid absorbing member 171, the contact area between the heating member 172 and the liquid absorbing member 171 is improved.
  • the liquid absorbing member 171 can transmit the aerosol-forming substrate to the heating member 172 in time, to prevent the heating member 172 and the liquid absorbing member 171 from drying out due to small contact area.
  • the heating member 172 is sintered into the lower end surface of the liquid absorbing member 171, the assembly gap between the heating member 172 and the liquid absorbing member 171 is eliminated.
  • the aerosol-forming substrate is prevented from accumulating in the gap, thereby preventing the heating member 172 from being unable to heat the aerosol-forming substrate accumulated in the gap in time, and accordingly preventing oil splashing.
  • a liquid sealing member 18 is sandwiched between the atomizing upper cover 15 and the heating structure 17.
  • the liquid sealing member 18 can improve the sealing between the atomizing upper cover 15 and the heating structure 17. Further, the liquid sealing member 18 can make the heating structure 17 evenly stressed and not easy to fail. In addition, the liquid sealing member 18 can also prevent rigid contact between the atomizing upper cover 15 and the heating structure 17 to affect the service life.
  • the liquid sealing member 18 is made of a material with good sealing properties such as silicone or rubber.
  • the filtering chamber 2112 can intercept solids and/or liquids from entering the sensing passage 2111 through the communication hole 2121; therefore, when the solids and/or liquids fall from the airflow passage, the solids and/or liquids in the aerosol generating device 100 can be prevented from flowing into the sensing passage 2111 through the filtering chamber 2112, so as to prevent the solids and/or liquids from flowing into the sensing passage 2111 and contacting with the sensor 23 to cause the circuit of the sensor 23 to be short-circuited, thereby improving the service life of the sensor 23.

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  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Electrostatic Spraying Apparatus (AREA)
EP21772442.6A 2020-03-19 2021-03-18 Dispositif d'alimentation électrique et dispositif de génération d'aérosol Pending EP4122334A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202020348117.XU CN212260474U (zh) 2020-03-19 2020-03-19 电源装置及气溶胶生成装置
PCT/CN2021/081534 WO2021185313A1 (fr) 2020-03-19 2021-03-18 Dispositif d'alimentation électrique et dispositif de génération d'aérosol

Publications (2)

Publication Number Publication Date
EP4122334A1 true EP4122334A1 (fr) 2023-01-25
EP4122334A4 EP4122334A4 (fr) 2024-05-08

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EP21772442.6A Pending EP4122334A4 (fr) 2020-03-19 2021-03-18 Dispositif d'alimentation électrique et dispositif de génération d'aérosol

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Country Link
US (1) US20230017889A1 (fr)
EP (1) EP4122334A4 (fr)
CN (1) CN212260474U (fr)
WO (1) WO2021185313A1 (fr)

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CN209643869U (zh) * 2019-01-25 2019-11-19 深圳麦克韦尔科技有限公司 电子雾化装置
CN209711537U (zh) * 2019-02-23 2019-12-03 深圳市泰普尔科技有限公司 具有防冷凝液回流的气雾生成装置
CN212260474U (zh) * 2020-03-19 2021-01-01 常州市派腾电子技术服务有限公司 电源装置及气溶胶生成装置

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