WO2023035242A1 - Dispositif de génération d'aérosol - Google Patents

Dispositif de génération d'aérosol Download PDF

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Publication number
WO2023035242A1
WO2023035242A1 PCT/CN2021/117792 CN2021117792W WO2023035242A1 WO 2023035242 A1 WO2023035242 A1 WO 2023035242A1 CN 2021117792 W CN2021117792 W CN 2021117792W WO 2023035242 A1 WO2023035242 A1 WO 2023035242A1
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WO
WIPO (PCT)
Prior art keywords
aerosol
generating device
aerosol generating
liquid storage
cavity
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PCT/CN2021/117792
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English (en)
Chinese (zh)
Inventor
张谢恩
谢锡田
阳胜
Original Assignee
深圳摩尔雾化健康医疗科技有限公司
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Application filed by 深圳摩尔雾化健康医疗科技有限公司 filed Critical 深圳摩尔雾化健康医疗科技有限公司
Priority to PCT/CN2021/117792 priority Critical patent/WO2023035242A1/fr
Publication of WO2023035242A1 publication Critical patent/WO2023035242A1/fr

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F47/00—Smokers' requisites not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/02—Inhalators with activated or ionised fluids, e.g. electrohydrodynamic [EHD] or electrostatic devices; Ozone-inhalators with radioactive tagged particles

Definitions

  • the invention relates to the technical field of electronic atomization, in particular to an aerosol generating device.
  • Aerosol generating devices have attracted more and more attention and favor because of their advantages of safety, convenience, health, and environmental protection. They are widely used in medical atomization, atomization beauty and other fields.
  • the amount of aerosol deposited on the surface of the target is an important performance indicator.
  • conventional atomized aerosol particles are deposited on the surface of the target, there will be a large rebound and drift phenomenon, resulting in aerosol deposition rate and effective utilization rate. lower.
  • the present application provides an aerosol generating device, which can solve the problem of low deposition rate and effective utilization rate of the existing aerosol on the surface of the target.
  • the aerosol generating device includes a housing, an electrostatic generating assembly and an atomizing sheet; wherein, the housing has a liquid storage chamber for containing the aerosol generating substrate; the electrostatic generating assembly includes a positive terminal and a negative terminal, and the positive terminal and One of the terminals in the negative terminal extends at least partly into the liquid storage chamber, so that the aerosol generating substrate in the liquid storage chamber is charged when the static electricity generating component is energized; Nebulize to create a charged aerosol.
  • the negative terminal at least partially extends into the liquid storage chamber.
  • the side wall of the liquid storage chamber is provided with a liquid outlet; the atomizing sheet is arranged at the liquid outlet; wherein, the negative terminal is arranged at the bottom of the liquid storage chamber.
  • the positive terminal is suspended in the air.
  • the charge collector is electrically connected to the positive terminal, and is insulated from the negative terminal.
  • the housing also has a storage cavity; the storage cavity and the liquid storage cavity share a cavity wall as the first cavity wall; the charge collector is arranged on the inner surface of the first cavity wall of the storage cavity; and/or, the charge collector It is arranged on the inner surface of other cavity walls different from the first cavity wall of the receiving cavity.
  • the charge collector is a metal layer formed on the inner surface of the receiving cavity.
  • At least the inner surface of the receiving cavity corresponding to the metal layer is concave-convex.
  • the charge collector is a metal piece fixed on the inner surface of the receiving chamber.
  • the surface of one side of the metal piece facing the receiving cavity is concave-convex.
  • a conductive protrusion is also included, and the conductive protrusion is arranged on the inner surface of the housing cavity and electrically connected with the charge collector; the positive terminal is electrically connected with the conductive protrusion.
  • a metal element is also included, which is arranged at the liquid outlet of the liquid storage cavity and electrically connected with the positive terminal.
  • the metal element is arranged around the liquid outlet, and is located between the atomizing sheet and the liquid storage chamber.
  • the static electricity generation component also includes a voltage converter, the voltage converter includes a primary side and a secondary side, the positive terminal is electrically connected to the primary side, the negative terminal is electrically connected to the secondary side, and the primary side and the secondary side are electrically connected or insulated. .
  • the aerosol generating device provided by the present application is provided with a housing and an electrostatic generating assembly, the electrostatic generating assembly includes a positive terminal and a negative terminal, and one of the positive terminal and the negative terminal extends into the liquid storage chamber of the housing,
  • the static electricity generating component When the static electricity generating component is powered on, the aerosol-generating substrate in the liquid storage chamber is charged through the terminal extending into the liquid storage chamber; in addition, the charged aerosol-generating substrate is atomized by setting the atomizing sheet , so as to form a charged aerosol, so that the charged aerosol particles can be effectively adsorbed on the surface of the target object through electrostatic adsorption, thereby greatly reducing the rebound and scattering phenomenon of the aerosol on the surface of the target object, and greatly improving the aerosol particles on the surface of the target object. Deposition rate on the target surface.
  • Figure 1 is a schematic diagram of the overall structure of an aerosol generating device provided by an embodiment of the present application
  • Figure 2 is a schematic diagram of the principle of improving the aerosol deposition rate by electrostatic adsorption
  • Fig. 3 is an A-A sectional view of the aerosol generating device shown in Fig. 1 provided in the first embodiment
  • Fig. 4 is a schematic disassembly diagram of Fig. 3 provided by an embodiment of the present application.
  • Fig. 5 is an analysis diagram of the circuit principle of the aerosol generating device corresponding to Fig. 3;
  • Fig. 6a is an A-A sectional view of the aerosol generating device shown in Fig. 1 provided by the second embodiment;
  • Fig. 6b is a disassembled schematic diagram of Fig. 6a provided by an embodiment of the present application.
  • Fig. 7 is a schematic circuit diagram of the aerosol generating device corresponding to Fig. 6a;
  • Fig. 8a is an A-A sectional view of the aerosol generating device shown in Fig. 1 provided by the third embodiment
  • Fig. 8b is a schematic circuit diagram of the aerosol generating device corresponding to Fig. 8a;
  • Fig. 9 is a schematic circuit diagram of an aerosol generating device provided by an embodiment of the present application.
  • Fig. 10 is an A-A sectional view of the aerosol generating device shown in Fig. 1 provided by the fourth embodiment;
  • FIG. 11 is a schematic circuit diagram of the aerosol generating device corresponding to FIG. 10 .
  • first”, “second”, and “third” in this application are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, features defined as “first”, “second” and “third” may explicitly or implicitly include at least one of such features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined. All directional indications (such as up, down, left, right, front, back%) in the embodiments of the present application are only used to explain the relative positional relationship between the various components in a certain posture (as shown in the drawings) , sports conditions, etc., if the specific posture changes, the directional indication also changes accordingly.
  • FIG. 1 is a schematic diagram of the overall structure of an aerosol generating device provided by an embodiment of the present application
  • FIG. 2 is a schematic diagram of the principle of improving the aerosol deposition rate by electrostatic adsorption.
  • an aerosol generating device is provided, which can charge an aerosol generating substrate when energized, and atomize the charged aerosol generating substrate to form a charged aerosol.
  • the charged aerosol when the charged aerosol is close to the surface of the target (such as the human body), the surface of the target induces different charges, and because the different charges attract each other, the charged aerosol (such as fog droplets) is adsorbed to the target.
  • the aerosol-generating substrate can be a liquid medicine, or a plant-grass-like substrate or a paste-like substrate.
  • the aerosol generating device can be used in different fields, such as medical atomization, beauty treatment, electronic atomization and other fields.
  • FIG. 3 is an A-A sectional view of the aerosol generating device shown in FIG. 1 provided in the first embodiment.
  • the aerosol generating device includes a housing 11, an electrostatic generating component 12, an atomizing sheet 13, a power supply component 14, a first cover 15, a first sealing member 16, a second cover 17 and a second Seal 18.
  • FIG. 4 is a disassembled schematic diagram of FIG. 3 provided by an embodiment of the present application; the housing 11 has a first tank 11a and a second tank 11b, and the first cover 15 covers the first
  • the opening of the tank body 11a is used to cooperate with the first tank body 11a to form a liquid storage chamber 111, and the first sealing member 16 is embedded in the connection between the first cover body 15 and the first tank body 11a to seal the liquid storage chamber 111 .
  • the liquid storage cavity 111 is used to accommodate the aerosol generating substrate.
  • the liquid storage chamber 111 has a liquid outlet 130, and the aerosol-generating substrate in the liquid storage chamber 111 flows out to the atomizing sheet 13 through the liquid outlet 130, so that the aerosol flowing out of the liquid storage chamber 111 can be controlled by the atomizing sheet 13 when it is energized.
  • Generate matrix for nebulization It can be understood that the atomizing sheet 13 is located outside the liquid storage chamber 111 and is in fluid communication with the liquid storage chamber 111 .
  • the second cover 17 covers the opening of the second tank 11b, and cooperates with the second tank 11b to form a receiving cavity 112.
  • the second sealing member 18 is embedded in the gap between the second cover 17 and the second tank 11b.
  • the connecting part is used to seal the receiving chamber 112.
  • the receiving cavity 112 specifically includes a top wall, a bottom wall, and an annular side wall connecting the top wall and the bottom wall.
  • the top wall of the receiving cavity 112 and at least part of the bottom wall of the liquid storage cavity 111 are the same cavity wall as the first cavity wall 112 a ; the second cover 17 is formed as the bottom wall of the receiving cavity 112 .
  • the housing 11 includes a cylindrical annular side wall and an isolation plate arranged in the cylindrical annular side wall, and the isolation plate divides the inner space of the cylindrical annular side wall into a first groove body 11a and a second groove
  • the body 11b and the isolation plate serve as the common bottom wall of the first tank body 11a and the second tank body 11b, that is, the first cavity wall 112a of the receiving cavity 112 and the liquid storage cavity 111 .
  • the static electricity generating component 12 is housed in the housing cavity 112 , and the static electricity generating component 12 may specifically be a high-voltage static electricity generator.
  • the static electricity generating assembly 12 includes a voltage converter 121 , a positive terminal 122 and a negative terminal 123 connected to the voltage converter 121 .
  • the negative terminal 123 of the static electricity generation component 12 is used to extend into the liquid storage chamber 111 to negatively charge the aerosol-generating matrix in the liquid storage chamber 111 when the static electricity generation component 12 is energized. charge.
  • the aerosol-generating substrate is negatively charged, and after being atomized by the atomizing sheet 13, negatively charged atomized particles are ejected and deposited by electrostatic adsorption. on the surface of the target.
  • the positive terminal 122 of the static electricity generating component 12 can also be used to extend into the liquid storage chamber 111 , so that the aerosol generating substrate is positively charged.
  • the top of the aerosol generating device is above the direction shown in FIG. 1
  • the bottom of the aerosol generating device is below the direction shown in FIG. 1 .
  • the negative terminal 123 can be arranged at the bottom of the liquid storage chamber 111, so that the aerosol-generating substrate in the liquid storage chamber 111 can Always be in contact with the negative terminal 123, thereby ensuring that the sprayed aerosol is continuously charged.
  • the liquid outlet 130 is set on the side wall of the liquid storage chamber 111, and the negative terminal 123 is arranged at the bottom of the liquid storage chamber 111, wherein the linear distance between the negative terminal 123 and the liquid outlet 130 is Much smaller than the distance between the negative terminal 123 and the other end of the liquid storage chamber 111 ; wherein, the other end specifically refers to the end of the liquid storage chamber 111 opposite to the liquid outlet 130 .
  • the liquid outlet 130 of the liquid storage chamber 111 can accumulate a large amount of negative charges, and then the atomizing sheet 13 can be atomized to form a large amount of negatively charged aerosol.
  • the atomizing sheet 13 is disposed at the liquid outlet 130 , and may be specifically located at a side of the liquid outlet 130 away from the liquid storage cavity 111 .
  • the atomizing sheet 13 includes a piezoelectric ceramic sheet and a microporous steel film attached to the piezoelectric ceramic sheet; after the piezoelectric ceramic sheet is energized, the piezoelectric ceramic sheet is excited by an electrical signal to generate high-frequency resonance , the energy of the oscillation causes the microporous steel film attached to the piezoelectric ceramic sheet to produce ultrasonic oscillation, and causes the charged aerosol-generating matrix adsorbed on the microporous steel film to produce ultrasonic oscillation, thereby breaking the charged aerosol-generating matrix Scatter to produce natural elegant fog.
  • the atomizing sheet 13 does not need heating or adding any chemical reagents, and compared with the method of heating the atomized aerosol generating substrate, the energy saving is 90%.
  • the power supply assembly 14 is accommodated in the housing cavity 112 and is electrically connected with the static electricity generating assembly 12 and the atomizing sheet 13 for supplying power to the static electricity generating assembly 12 and the atomizing sheet 13 .
  • the power supply assembly 14 may include a power supply (not shown), a circuit board 141 and a power supply electrode 142 connected to the circuit board 141 .
  • the power supply electrode 142 may be a metal wire.
  • the power supply is connected to the circuit board 141, the static electricity generating assembly 12 is connected to the circuit board 141, the atomizing sheet 13 is connected to the circuit board 141 through the power supply electrode 142, and the power supply supplies power to the static electricity generating assembly 12 and the atomizing sheet 13 respectively through the circuit board 141.
  • the power supply may specifically be a lithium-ion battery.
  • the aerosol generating device further includes a suction nozzle 19 , a third sealing member 20 and a fourth sealing member 21 .
  • the suction nozzle 19 is detachably connected to the housing 11 .
  • the suction nozzle 19 is formed with a clamping groove; the third seal 20 is embedded in the clamping groove and matches the shape of the clamping groove; the atomizing sheet 13 is embedded on the side of the third sealing member 20 away from the clamping groove And abut against the atomizing sheet 13 .
  • the charged aerosol atomized by the atomizing sheet 13 is sprayed out of the aerosol generating device through the suction nozzle 19 .
  • the third sealing member 20 wraps the atomizing sheet 13 and the liquid outlet 130, which can effectively prevent the aerosol generated by the atomization from passing through the suction nozzle 19 and the housing 11. gaps between leaks.
  • the fourth sealing member 21 is disposed at the contact position between the liquid outlet 130 and the atomizing sheet 13 to prevent the aerosol-generating substrate from leaking from the gap between the liquid outlet 130 and the atomizing sheet 13 .
  • first sealing member 16 , the second sealing member 18 , the third sealing member 20 and the fourth sealing member 21 can be sealing rings, such as silicone rings or rubber rings.
  • the static electricity generating assembly 12 includes a positive terminal 122 and a negative terminal 123, and one of the terminals of the positive terminal 122 and the negative terminal 123 extends into the In the liquid storage chamber 111 of the housing 11, the aerosol generating matrix in the liquid storage chamber 111 is charged through the terminals extending into the liquid storage chamber 111 when the static electricity generating component 12 is energized; in addition, by setting the atomizing sheet 13, To atomize the charged aerosol-generating substrate when electrified to form a charged aerosol, so that the charged aerosol particles can be effectively adsorbed on the surface of the target object, greatly reducing the rebound and drift of the aerosol on the surface of the target object phenomenon, which in turn greatly increases the deposition rate of aerosol particles on the surface of the target.
  • the positive terminal 122 of the static electricity generating component 12 is suspended.
  • a connecting post 113 may be disposed on the inner surface of the receiving cavity 112 , and the positive terminal 122 may be fixed on the connecting post 113 to realize a floating arrangement relative to the receiving cavity 112 .
  • the connection post 113 can be made of insulating material. Of course, it may also be a conductive material, such as copper or aluminum.
  • the static electricity generation component 12 includes a voltage converter 121 , a first capacitor C1 , a second capacitor C2 and a diode D1 .
  • the first end of the primary side of the voltage converter 121 is connected to the power supply voltage VDC, and further connected to the ground voltage through the first capacitor C1, and the third end of the secondary side of the voltage converter 121 is connected to the positive terminal 122 of the static electricity generating component 12,
  • the fourth terminal on the secondary side of the voltage converter 121 is connected to the cathode of the diode D1 , and the anode of the diode D1 is connected to the cathode terminal 123 of the static electricity generating element 12 .
  • the negative terminal 123 of the static electricity generation component 12 is inserted in the liquid storage cavity 111 to contact with the liquid in the liquid storage cavity 111, the positive terminal 122 of the static electricity generation component 12 is suspended, and is connected with the negative terminal 123 through the second capacitor C2 .
  • the suspended positive terminal 122 can be electrically connected to the ground through the air (corresponding to the virtual capacitor C3), or can be connected to the housing 11 of the aerosol generating device (corresponding to the virtual resistance R).
  • the contacted human body (corresponding to the virtual capacitor C4) is electrically connected to the earth, or both may exist at the same time.
  • negative charges can pass through the air and/or the human body (virtual capacitance C3 or C4) from the ground to reach the positive terminal 122 of the static electricity generating component 12; then, pass through the secondary side of the static electricity generating component 12 and the inverted diode D1 Arrive at the negative terminal 123 of the static electricity generating component 12; then pass through the negative terminal 123, the aerosol generating substrate in the liquid storage chamber 111, the aerosol atomized by the atomizing sheet 13, and the target object to return to the ground.
  • the target object can be electrically connected to the ground through air (corresponding to the virtual capacitor C5). Therefore, the flow path of charge forms a loop.
  • the primary side and the secondary side of the voltage converter 121 are insulated to ensure the safety of the aerosol generating device.
  • the impedance is relatively large.
  • I is the current value
  • V is the voltage value
  • R is the resistance value of the positive terminal 122 to the air. It can be seen that the impedance is large, and at the same voltage, the I value is small, and the amount of charge carried by the aerosol is small, which is not conducive to the deposition of the aerosol. Therefore, in order to increase the deposition rate of the aerosol, the value of I needs to be increased so that the aerosol has more negative charges. At this time, the static electricity generating component 12 needs to output a higher voltage value (in KV).
  • the voltage value output by the static electricity generating component 12 can be increased; on the other hand, the capacitance value can be increased.
  • the present application can increase the charge amount of the aerosol-generating substrate by increasing the capacitance value, avoiding the danger caused by high voltage, so as to improve the safety of users.
  • Fig. 6a is the A-A sectional view of the aerosol generating device shown in Fig. 1 provided by the second embodiment
  • Fig. 6b is provided by an embodiment of the application
  • the disassembled schematic diagram of Figure 6a; the aerosol generating device also includes a charge collector 221, and the positive terminal 122 is specifically electrically connected to the charge collector 221 to increase the contact area between the positive electrode and the air, thereby receiving more Electric charge, so that a large amount of negative charges in the air are collected and continuously gathered in the high-voltage electrostatic negative terminal 123.
  • FIG. 7 is a schematic circuit diagram of the aerosol generating device corresponding to FIG. 6a; different from the above-mentioned circuit structure in FIG. electrical connection.
  • the charge collector 221 is insulated from the negative terminal 123 .
  • the charge collector 221 and the negative terminal 123 can be spaced apart to avoid short circuit.
  • the negative electrode terminal 123 is electrically connected to the aerosol generating substrate, and the aerosol generating substrate is equivalent to the negative electrode
  • the charge collecting member 221 is electrically connected to the positive electrode terminal 122, and the charge collecting member 221 is equivalent to the positive electrode
  • the charge collector 221 cooperates with the charged aerosol-generating substrate to form an equivalent capacitance.
  • the charge collector 221 is specifically disposed in the receiving chamber 112 , and the charge collector 221 is disposed on the inner surface of the receiving chamber 112 .
  • the charge collecting member 221 may also be disposed on the outer surface of the receiving chamber 112 and/or the liquid storage chamber 111 , and the operator may directly contact the charge collecting member 221 .
  • the charge collector 221 can also be disposed on the inner surface of the receiving cavity 112 and the outer surface of the housing 11 , and the inner surface of the receiving cavity 112 is electrically connected to the charge collecting member 221 on the outer surface of the housing 11 .
  • the material of at least part of the side wall of the housing 11 corresponding to the charge collector 221 can be made of a conductive material, such as copper or aluminum, so as to communicate with the charge collector 221 on the inner and outer surfaces;
  • the through hole is used to communicate with the charge collector 221 on the inner and outer surfaces of the housing 11 through the through hole, which is not limited in the present application.
  • C ⁇ S/d; among them, C is the capacitance value; ⁇ is the dielectric constant of the material; S is the relative area of the two pole plates; The electric constant, increasing the relative area of the two polar plates, and reducing the relative distance between the two polar plates can increase the capacitance value. Therefore, the present application uses the charge collector 221 as the positive electrode, which is equivalent to increasing the relative area of the two plates. Further, in this embodiment, at least the inner surface of the receiving cavity 112 corresponding to the charge collecting member 221 can be roughened to form a concave-convex shape, so that the inner surface of the receiving cavity 112 forms a rough structure to increase the charge. The surface area of the collecting element 221 can effectively increase the capacitance value and increase the charge carried by the aerosol-generating substrate.
  • the dielectric constant of the material of at least the part of the sidewall covered by the charge collector 221 of the storage cavity 112 may range from 1.5 to 5.2; Specifically, the dielectric constant may be not less than 2, so as to increase the capacitance value by increasing the dielectric constant of the material, thereby increasing the amount of charge carried by the aerosol-generating substrate.
  • the charge collector 221 is specifically arranged on the inner surface of the first cavity wall 112a of the receiving chamber 112, that is, the charge collector 221 is arranged on the bottom wall of the liquid storage chamber 111 and is exposed to the receiving chamber. 112 part of the outer wall. Specifically, the charge collector 221 can completely cover the outer wall surface of the bottom wall of the liquid storage chamber 111 exposed to the receiving chamber 112 to increase the contact area with air.
  • the charge collector 221 can be a metal layer formed on the outer surface of the bottom wall of the liquid storage cavity 111 , and the positive terminal 122 is specifically electrically connected to the metal layer.
  • the metal layer can be formed on the bottom wall of the liquid storage chamber 111 by means of electroplating or coating.
  • the metal layer can be made of gold, silver, nickel or the like.
  • the bottom wall of the liquid storage chamber 111 at least has a concave-convex shape corresponding to the outer surface of the metal layer.
  • the charge collector 221 can be a metal piece, such as a sheet metal piece, and the metal piece can be bonded to the liquid storage cavity 111 by an adhesive, such as conductive epoxy or conductive glue.
  • the positive terminal 122 is specifically electrically connected to the metal piece and conducted.
  • the material of the metal piece can be copper, aluminum and other metals.
  • the shape of the metal piece can match the shape of the bottom wall of the liquid storage chamber 111 .
  • the surface of the metal piece in contact with the liquid storage chamber 111 can be sandblasted, so that the surface of the metal piece facing the receiving chamber 112 is concave-convex, so as to increase the surface area of the charge collector 221, thereby effectively Increase the capacitance value of the equivalent capacitance to increase the amount of charge carried by the aerosol-generating substrate.
  • the inner surface of the receiving cavity 112 may also be flat, and this embodiment does not limit the inner surface of the receiving cavity 112 .
  • a protective film can be formed on the surface of the metal part facing away from the receiving cavity 112 by means of coating or electroplating, so as to improve the oxidation and corrosion resistance of the metal part.
  • the protective film can be made of gold, silver, nickel or the like.
  • the aerosol generating device further includes a conductive protrusion 2311, the conductive protrusion 2311 is disposed on the inner surface of the receiving cavity 112 and is electrically connected to the charge collector 221 on the inner surface. connect.
  • the positive terminal 122 is specifically electrically connected to the conductive protrusion 2311 , thereby realizing the electrical connection with the charge collector 222 .
  • the bottom wall of the liquid storage chamber 111 is specifically formed with insulating protrusions 2312, and the bottom wall of the liquid storage chamber 111 and the insulating protrusions 2312 are coated with a metal layer, thereby forming the charge collector 222 and the insulating protrusion 2312 respectively.
  • Figure 8 is an A-A sectional view of the aerosol generating device shown in Figure 1 provided by the third embodiment; this embodiment and the first embodiment shown in Figure 3 and Figure 4
  • the aerosol generating device may also include a metal element 24, and the metal element 24 is arranged outside the liquid storage chamber 111 and is electrically connected to the positive terminal 1221.
  • the metal element 24 When the static electricity generation component 12 is energized, the metal element 24 is positively charged, so that the aerosol generating matrix close to the metal element 24 induces a different charge, that is, a negative charge, due to the migration of electrons (same sex repels each other, opposite sex attracts each other), and then makes the storage
  • the part of the aerosol generating substrate near the metal element 24 in the liquid chamber 111 further increases the negative charge.
  • the metal element 24 when the positive terminal 122 extends into the liquid storage cavity 111 , the metal element 24 is specifically connected to the negative terminal 122 . Wherein, the metal element 24 is specifically arranged at the liquid outlet 130 of the liquid storage cavity 111 .
  • the aerosol-generating substrate near the liquid outlet 130 in the liquid storage chamber 111 can induce a large amount of electric charges intensively through electrostatic induction, thereby further increasing the amount of charge in the aerosol-generating substrate.
  • the metal element 24 is arranged around the liquid outlet 130 of the liquid storage chamber 111 , and may be in a closed loop shape, and is located between the atomizing sheet 13 and the liquid storage chamber 111 .
  • the material of the metal element 24 may be copper, aluminum, copper-aluminum alloy, or the like.
  • the aerosol generating device in this embodiment further includes a charge collector 222 .
  • the charge collector 222 is disposed on the annular sidewall of the receiving chamber 112 , and the charge collector 222 may be disposed on the inner surface of the annular sidewall of the receiving chamber 112 to receive more negative charges from the air. It can be understood that the charge collector 222 can be specifically arranged on the outer surface of the annular side wall of the receiving cavity 112; The outer surface of the annular sidewall.
  • the charge collector 222 may also be disposed on the inner surface of the first cavity wall 112 a and the annular sidewall at the same time.
  • the outer surface of the bottom wall of the liquid storage cavity 111 and the inner surface of the annular side wall of the receiving cavity 112 form an interconnected metal layer, and the positive terminal 122 is specifically connected to the interconnected metal layer.
  • FIG. 8b is a schematic circuit diagram of the aerosol generating device corresponding to FIG. 8a; different from the above-mentioned circuit structure in FIG.
  • the terminal 1222 is electrically connected to the charge collector 222 , so that the aerosol matrix close to the atomizing sheet 13 induces a large amount of negative charges.
  • the aerosol generating device further includes a conductive protrusion 232, the conductive protrusion 232 is disposed on the inner surface of the receiving chamber 112 and is electrically connected to the charge collector 222 disposed on the inner surface. .
  • the positive terminal 1222 is specifically electrically connected to the conductive protrusion 232 , thereby realizing the electrical connection with the charge collector 222 .
  • the positive terminal 1222 can be fixed to the conductive protrusion 232 by winding; of course, it can also be fixed to the conductive protrusion 232 by using fixing members such as screws and studs.
  • the conductive protrusion 232 may have a columnar structure.
  • FIG. 9, is a schematic circuit diagram of an aerosol generating device provided in an embodiment of the present application; different from the circuit structure corresponding to the above-mentioned FIG. 5, the positive terminal 122 of the static electricity generating component 12 is further The primary side of the voltage converter 121 is connected to realize the connection of the primary side and the secondary side of the voltage converter 121, so as to increase the surface area of the positive electrode and facilitate the acquisition of electrons.
  • the positive terminal 122 can be connected to the circuit board 141 corresponding to the primary side to realize the electrical connection with the primary side of the voltage converter 121 .
  • the positive terminal 122 is connected to one end of the first capacitor C1 connected to the ground voltage.
  • the specific structure and function of the aerosol generating device can be the same or similar to the specific structure and function of the aerosol generating device provided in any one of the above embodiments, and can achieve the same or similar technical effects. Let me repeat.
  • Fig. 10 is an A-A sectional view of the aerosol generating device shown in Fig. 1 provided by the fourth embodiment
  • Fig. 11 is a view of the aerosol generating device corresponding to Fig. 10 Circuit schematic.
  • the aerosol generating device includes a casing 11 , a metal element 24 and an electrostatic generating component 12 .
  • the housing 11 specifically includes a receiving chamber 112 .
  • the static electricity generating component 12 is accommodated in the housing chamber 112, and the static electricity generating component 12 can be specifically a high-voltage static electricity generator.
  • the static electricity generating assembly 12 includes a voltage converter 121 , a positive terminal 122 and a negative terminal 123 connected to the voltage converter 121 .
  • the metal element 24 is disposed outside the liquid storage chamber 111 and is electrically connected to the positive terminal 122 so that when the static electricity generating component 12 is energized, a part of the aerosol generating substrate close to the metal element 24 is charged by electromagnetic induction.
  • the positive terminal 122 of the static electricity generating assembly is connected to the metal element 24, so that the metal element 24 is positively charged when the static electricity generating assembly 12 is energized, so that the aerosol generating matrix near the metal element 24 is due to the migration of electrons (isotropic Repel each other, opposites attract each other) to induce heterogeneous charges, that is, negative charges, and then electrify the aerosol formed by atomization.
  • the negative terminal 123 may also be connected to the metal element 24 .
  • the aerosol generating device includes a conductive terminal 25 .
  • the conductive terminal 25 has opposite first and second ends. The first end of the conductive terminal 25 extends into the liquid storage cavity 111 to generate matrix contact with the aerosol in the liquid storage cavity 111; the second end of the conductive terminal 25 is exposed to the air, so that the aerosol in the air can A large amount of negative charge is continuously transferred to the aerosol-generating matrix in the liquid storage chamber 111 .
  • the aerosol generating device may further include a charge collecting member 223 .
  • the second end of the conductive terminal 25 can be further electrically connected to the charge collector 223 to increase the contact area with the air through the charge collector 223 .
  • the charge collector 223 can be disposed on the annular side wall of the receiving cavity 112 that is different from the first cavity wall 112a, and the charge collecting member 223 can be specifically disposed on the inner surface of the annular side wall of the receiving cavity 112, to receive more negative charges from the air. Wherein, when the charge collector 223 is disposed on the inner surface of the receiving cavity 112 , more negative charges in the air can be collected by the charge collector 223 and transferred to the aerosol generating matrix through the conductive terminal 25 .
  • the aerosol generating device further includes a conductive protrusion 233 disposed on the inner surface of the receiving chamber 112 and electrically connected to the charge collector 223 on the inner surface.
  • the second end of the conductive terminal 25 is specifically electrically connected with the conductive protrusion 233 , thereby realizing the electrical connection with the charge collector 223 .
  • the charge collector 223 can be further arranged on the outer surface of the casing 11, and the operator can directly contact the charge collector 223. At this time, the charge collector 223 can transfer negative charges through the operator, and then pass through the conductive terminal. 25 Transfer of negative charges into the aerosol-generating substrate.
  • the specific structure and material of the charge collector 223 can be similar to the charge collector 221 and the charge collector 223 in the aerosol generating device shown in the second embodiment and the third embodiment above, for details, please refer to the relevant text above. describe.
  • at least part of the sidewall of the casing 11 can be made of conductive material, such as metal material.
  • the sidewall of the casing 11 made of metal also serves as at least part of the charge collector 223 .
  • the conductive terminal 25 is specifically electrically connected to the casing 11 made of conductive material, so as to reduce the cost and simplify the manufacturing process.
  • the entire material of the housing 11 is metal, such as copper or aluminum or copper-aluminum alloy.
  • the difference from the above-mentioned circuit structure corresponding to FIG. 5 is that the negative terminal 123 of the static electricity generating component 12 is directly connected to the positive pole of the diode D1, and it is not connected to the positive pole of the diode D1 in the liquid storage chamber 111. Aerosols generate substrate contact.
  • the positive terminal 122 of the static electricity generating component 12 is connected to the metal element 24 to charge the aerosol generating substrate in the liquid storage chamber 111 through electrostatic induction.
  • the negative charge can reach the charge collector 223 from the ground through the air and/or the human body (corresponding to the virtual capacitor C6), and then pass through the charge collector 223 to the aerosol-generating substrate in the liquid storage cavity 111 via the conductive terminal 25 Afterwards, the aerosol-generating matrix is atomized through the atomizing sheet 13 to generate an aerosol to reach the target and return to the earth.
  • the target object can be electrically connected to the ground through air (corresponding to the virtual capacitor C5). Therefore, in this embodiment, the flow path of charges also constitutes a loop.
  • the housing 11 of the aerosol generating device when the housing 11 of the aerosol generating device is provided with the charge collector 223, since the human body holds the charge collector 223 during use, the charge transferred from the aerosol to the human body can be recycled, the human body does not accumulate static charges, and the safety is relatively high. high.
  • the aerosol generating device provided in this embodiment also includes the atomizing sheet 13, the circuit board 141, the first cover 15, the first sealing member 16, the second cover 17 and the first cover 17 involved in the above three embodiments.
  • Two seals 18 and other structures and structures necessary for the work of existing aerosol generating devices, the specific structures and functions of these structures can refer to the relevant text descriptions and prior art in the above-mentioned embodiments, and can achieve the same or similar technical effects , for details, please refer to the relevant text description above.
  • one of the positive terminal 122 and the negative terminal 123 of the static electricity generation component 12 is connected to the metal element 24, so that when the static electricity generation component 12 is energized, the liquid storage chamber 111 is close to Part of the aerosol-generating substrate of the metal element 24 is charged by electrostatic induction, and the charged aerosol-generating substrate is atomized by the atomizing sheet 13 when electrified to generate a charged aerosol, so that the charged aerosol particles can pass through the static electricity.
  • the adsorption is effectively adsorbed on the surface of the target, thereby greatly reducing the rebound and scattering of aerosol on the surface of the target, and greatly improving the deposition rate of aerosol particles on the surface of the target.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
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Abstract

L'invention concerne un dispositif de génération d'aérosol comprenant un boîtier (11), un ensemble de génération électrostatique (12) et une feuille d'atomisation (13). Le boîtier (11) comporte une cavité de stockage de liquide (111), et la cavité de stockage de liquide (111) est utilisée pour stocker un substrat de génération d'aérosol. L'ensemble de génération électrostatique (12) comprend une borne positive (122) et une borne négative (123), et la borne positive (122) ou la borne négative (123) s'étend au moins partiellement dans la cavité de stockage de liquide (111), de telle sorte que le substrat de génération d'aérosol dans la cavité de stockage de liquide (111) soit chargé lorsque l'ensemble de génération électrostatique (12) est électrifié. La feuille d'atomisation (13) est utilisée pour atomiser le substrat de génération d'aérosol chargé lorsqu'il est électrifié, de façon à générer un aérosol chargé. Le dispositif de génération d'aérosol peut augmenter efficacement le taux de dépôt de l'aérosol formé sur une surface d'un objet cible, ce qui permet d'augmenter le taux d'utilisation efficace de l'aérosol.
PCT/CN2021/117792 2021-09-10 2021-09-10 Dispositif de génération d'aérosol WO2023035242A1 (fr)

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JP6667710B1 (ja) * 2019-11-06 2020-03-18 日本たばこ産業株式会社 エアロゾル吸引器、エアロゾル吸引器の電源制御方法、及びエアロゾル吸引器の電源制御プログラム
CN111343876A (zh) * 2017-11-30 2020-06-26 菲利普莫里斯生产公司 用于生成液体气溶胶的系统
CN212911666U (zh) * 2020-08-06 2021-04-09 常州市派腾电子技术服务有限公司 雾化器及气溶胶发生装置
CN113171898A (zh) * 2021-05-11 2021-07-27 江苏苏美达五金工具有限公司 一种手持式静电雾化器

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105244304A (zh) * 2015-11-11 2016-01-13 北京七星华创电子股份有限公司 一种带静电液雾清洗装置和清洗方法
CN105852226A (zh) * 2016-06-16 2016-08-17 深圳市新宜康科技有限公司 上出芯全封闭电子烟雾化器及电子烟装置
CN111343876A (zh) * 2017-11-30 2020-06-26 菲利普莫里斯生产公司 用于生成液体气溶胶的系统
CN209219265U (zh) * 2018-11-06 2019-08-09 深圳市思拓微电子有限公司 一种带电解功能的电子烤烟
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JP6667710B1 (ja) * 2019-11-06 2020-03-18 日本たばこ産業株式会社 エアロゾル吸引器、エアロゾル吸引器の電源制御方法、及びエアロゾル吸引器の電源制御プログラム
CN212911666U (zh) * 2020-08-06 2021-04-09 常州市派腾电子技术服务有限公司 雾化器及气溶胶发生装置
CN113171898A (zh) * 2021-05-11 2021-07-27 江苏苏美达五金工具有限公司 一种手持式静电雾化器

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