WO2023221376A1 - Ensemble noyau d'atomisation, atomiseur et dispositif de génération d'aérosol - Google Patents

Ensemble noyau d'atomisation, atomiseur et dispositif de génération d'aérosol Download PDF

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Publication number
WO2023221376A1
WO2023221376A1 PCT/CN2022/124307 CN2022124307W WO2023221376A1 WO 2023221376 A1 WO2023221376 A1 WO 2023221376A1 CN 2022124307 W CN2022124307 W CN 2022124307W WO 2023221376 A1 WO2023221376 A1 WO 2023221376A1
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WIPO (PCT)
Prior art keywords
air
sealing
atomizing
flow guide
ventilation channel
Prior art date
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PCT/CN2022/124307
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English (en)
Chinese (zh)
Inventor
魏春花
王灵权
肖力伟
黄科
左江
聂革
Original Assignee
深圳市吉迩科技有限公司
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Publication of WO2023221376A1 publication Critical patent/WO2023221376A1/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
    • 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
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps

Definitions

  • the present application relates to the field of aerosol technology, and more specifically, to an atomizing core assembly, an atomizer and an aerosol generating device.
  • the aerosol generating device is an electronic product that can generate aerosol for users to smoke.
  • power is supplied to the atomizer through the power supply device.
  • the atomizer generates heat to atomize the aerosol matrix to form an aerosol for the user to smoke.
  • the aerosol matrix in the atomizer reservoir is continuously consumed, causing the liquid reservoir to gradually become a negative pressure state, thereby hindering the circulation of the aerosol matrix and making it difficult for the aerosol matrix to flow down. It is adsorbed by the atomizer core of the atomizer, which slows down the efficiency of the aerosol matrix being transferred into the atomizer core. At this time, if the atomizer core continues to heat and atomize the aerosol matrix, it will cause the atomizer core to produce a paste core. problems, reducing the user experience.
  • the embodiments of the present application provide an atomizing core assembly, an atomizer and an aerosol generating device to solve the problem in the prior art that when the liquid storage tank is in a negative pressure state, the aerosol matrix is difficult to flow down to be adsorbed by the atomizing core. , which leads to the problem of core paste when the atomizer core heats and atomizes the aerosol matrix.
  • An atomization core assembly including: a fixing member, a first sealing member and an atomizing member.
  • the fixing member is provided with a flow guide cavity that runs through both upper and lower ends.
  • the outer wall of the fixation member faces away from the flow guide cavity.
  • the atomization part is located in the installation cavity, the first sealing member is clamped between the installation cavity and the atomization part, the liquid suction surface of the atomization part is in contact with the guide
  • the flow chambers are connected;
  • the fixing piece is provided with a ventilation channel connected to the flow guide cavity, and the air outlet of the ventilation channel is located on the inner wall of the fixing piece facing the liquid suction surface.
  • the air inlet of the channel is provided on the side wall of the fixing member.
  • the first sealing member is provided with a sealing piece at one end adjacent to the flow guide cavity.
  • the sealing piece is located in the flow guide cavity and communicates with the exchanger.
  • the air outlet of the air channel is close to each other, and the sealing piece is spaced apart from the liquid suction surface;
  • the fixing member is also provided with an air passage spaced apart from the flow guide cavity, the installation cavity and the ventilation channel, and the The air passage is connected with the heating surface of the atomizing element.
  • the fixing member is provided with an air outlet boss located in the flow guide cavity and spaced apart from the atomization member, and the air outlet of the ventilation channel is located on the air outlet boss adjacent to the atomizer. At one end of the component, the sealing piece is attached to the air outlet boss.
  • one end of the air outlet boss adjacent to the sealing piece is sunk inward away from the atomizer to form an air storage cavity, and the ventilation channel communicates with the air storage cavity and the outside of the fixing member.
  • the first sealing member is provided with a connecting boss at one end adjacent to the air outlet boss, and the sealing piece is provided on the connecting boss; and/or, the first sealing member is away from the air outlet
  • the inner wall of one end of the boss is provided with a limiting groove, and the atomizing member is located in the limiting groove; and/or the atomizing member is recessed inward toward one end of the air outlet boss to form a movable groove, and the seal The piece is located above the movable groove.
  • a first groove is provided at the connection between the sealing piece and the first sealing member, or the wall thickness of the sealing piece is smaller than the wall thickness of the first sealing member.
  • the distance between the sealing piece and the liquid suction surface of the atomizing member is greater than 0.5 mm.
  • the fixing part includes a connecting part and a receiving part; the middle part of the connecting part is provided with a first air hole penetrating the upper and lower ends, and the middle part of the connecting part is spaced apart from the middle part of the receiving part to form a second air hole.
  • Air passage, the first air passage and the second air passage constitute the air passage; both sides of the connecting piece are connected to both sides of the accommodation piece, and the flow guide cavity is provided in the connecting piece and the upper and lower ends on both sides of the accommodating member and the lower end of the middle part of the accommodating member.
  • the outer wall of the lower end of the accommodating member extends in a direction away from the connecting member to form the installation cavity.
  • the first sealing member and the sealing member The sheet and the atomizing member are located in the accommodating part, and the ventilation channel is provided on the accommodating part.
  • embodiments of the present application also provide an atomizer, which adopts the following technical solution:
  • An atomizer including: a casing, an airway tube, an electrode piece, and an atomizing core assembly as described above; the casing is provided with an air suction port and an air inlet, and the airway tube and the casing are The body is connected and communicates with the suction port, a liquid storage bin is provided in the housing, the atomization core assembly is located in the housing and seals the liquid storage bin, the airway tube is connected to the passage The air channel is connected, the air inlet is connected with the ventilation channel and the air passing channel of the atomizing core assembly, and the electrode member is electrically connected with the atomizing member.
  • the atomizer further includes a second sealing member, the second sealing member is provided in the housing, the atomizing core assembly is sleeved in the second sealing member, the second sealing member There are flow guide holes connected to the flow guide cavity on both sides of the member, and a third air hole connected to the air flow channel is provided in the middle of the second sealing member.
  • the airway tube is connected to the third air flow channel. Air hole connection.
  • embodiments of the present application also provide an aerosol generating device, which adopts the following technical solution:
  • An aerosol generating device includes a power supply device and an atomizer as described above.
  • the power supply device is electrically connected to the atomizer to provide power to the atomizer.
  • the fixing piece is provided with a ventilation channel connected to the diversion chamber, and the air outlet is located on the inner wall of the liquid suction surface facing the fixing piece;
  • the sealing sheet forms a one-way valve for the ventilation channel.
  • Above the sealing sheet is the air located in the ventilation channel, and below the sealing sheet is the aerosol matrix located above the atomizer.
  • the sealing piece tilts toward the direction of the atomization part. The deformation of the sealing piece only needs to resist the pressure of the aerosol matrix located above the atomization part. The deformation of the sealing piece is easy.
  • the air replenishment efficiency is fast and obvious, and the air pressure balance inside and outside the liquid storage tank is quickly achieved, which greatly avoids the difficulty of the aerosol matrix flowing down to be adsorbed by the atomizing part, which causes the atomizing part to heat and atomize the aerosol matrix.
  • This application uses sealing sheets and ventilation channels to balance the problems of air supply and liquid leakage prevention, and reduces the requirements for dimensional accuracy, which can effectively reduce the difficulty of production and avoid the problem of core sticking of atomizer parts.
  • Figure 1 is a schematic diagram of an atomization core assembly provided by an embodiment of the present application.
  • Figure 2 is a schematic diagram of the fixing member and the first sealing member in the atomization core assembly provided by the embodiment of the present application from another perspective;
  • Figure 3 is a cross-sectional view of an atomizing core assembly provided by an embodiment of the present application.
  • Figure 4 is an enlarged view of point A in Figure 3;
  • Figure 5 is a schematic diagram of an atomization core assembly and a comparative example provided by the embodiment of the present application;
  • Figure 6 is a schematic diagram of an atomizer provided by another embodiment of the present application.
  • Figure 7 is a cross-sectional view along the Y direction shown in Figure 6;
  • Figure 8 is a cross-sectional view along the X direction shown in Figure 6;
  • Figure 9 is an exploded view of Figure 6.
  • Shell 201. Air suction port; 202. Liquid storage tank; 203. Air inlet; 204. Upper shell; 205 base;
  • Airway tube 4. Second seal; 401. Diversion hole; 402. Third air hole;
  • Electrode piece 7. Support piece; 701, buckle groove; 8. Sealing ring.
  • an embodiment means that a particular feature, structure or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application.
  • the appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art understand, both explicitly and implicitly, that the embodiments described herein may be combined with other embodiments.
  • the embodiment of the present application provides an atomizing core assembly 1, as shown in Figures 1 to 4.
  • the atomizing core assembly 1 includes: a fixing part 10, a first sealing part 20 and an atomizing part 30.
  • the fixing part 10 is provided with a flow guide cavity 11 that runs through the upper and lower ends.
  • the outer wall of the fixing member 10 extends in a direction away from the flow guide cavity 11 to form an installation cavity 12.
  • the flow guide cavity 11 is connected with the installation cavity 12, so
  • the atomizing member 30 is located in the installation cavity 12.
  • the first sealing member 20 is clamped between the installation cavity 12 and the atomizing member 30.
  • the liquid suction surface 31 of the atomizing member 30 is in contact with the atomizing member 30.
  • the flow guide chamber 11 is connected; the fixing member 10 is provided with a ventilation channel 13 connected to the flow guide cavity 11, and the air outlet 131 of the ventilation channel 13 is located on the fixing member 10 toward the atomizer.
  • the fixing member 10 is provided with a ventilation channel 13 connected to the flow guide cavity 11, and the air outlet 131 of the ventilation channel 13 is located on the fixing member 10 toward the atomizer.
  • 30 on the inner wall of the liquid suction surface 31, the air inlet 132 of the ventilation channel 13 is provided on the side wall of the fixing member 10, and the first sealing member 20 is provided at one end adjacent to the guide cavity 11.
  • Sealing sheet 21, the sealing sheet 21 is located in the flow guide cavity 11 and is in contact with the air outlet 131 of the ventilation channel 13, and the sealing sheet 21 is in contact with the liquid suction surface 31 of the atomizing member 30 arranged at intervals;
  • the fixing member 10 is also provided with an air passage 14 spaced apart from the flow guide chamber 11, the installation cavity 12 and the ventilation channel 13.
  • the air passage 14 is connected to the heating surface
  • the working principle of the atomizing core assembly 1 is as follows: See Figures 7 and 8.
  • the atomizing core assembly 1 is installed in the housing 2 of the atomizer, and the side wall of the upper end of the fixing member 10 is tightly It fits the inner wall of the housing 2 to prevent the aerosol matrix in the liquid storage tank 202 of the housing 2 from leaking.
  • the upper end of the air passage 14 of the fixing member 10 is connected to the airway tube 3 in the housing 2; specifically, when left standing ( That is, when the user does not start smoking), the aerosol matrix and the air are in a static state, the pressure everywhere is in a balanced state, and there is a certain negative pressure in the liquid storage tank 202 to ensure that the aerosol matrix will not leak due to gravity;
  • the aerosol matrix in the liquid storage chamber 202 enters the installation cavity 12 of the fixing member 10 through the guide chamber 11 and is adsorbed by the liquid suction surface 31 of the atomizing member 30; as the user inhales, the aerosol matrix
  • the atomizer 30 is powered on and heated, and the aerosol matrix adsorbed by the atomizer 30 is continuously consumed.
  • the liquid level of the aerosol matrix in the liquid storage chamber 202 gradually decreases, and the negative pressure in the liquid storage chamber 202 gradually exceeds the threshold, so that the liquid level in the diversion chamber 11
  • the inner sealing piece 21 is tilted toward the direction of the atomizer 30, as shown in Figure 4, thereby causing the air outlet 131 of the ventilation channel 13 to be opened, so that outside air can enter the flow guide chamber 11 through the ventilation channel 13, and then Allowing outside air to enter the liquid storage tank 202 achieves air pressure balance inside and outside the liquid storage tank 202, which facilitates the aerosol matrix to continue to be adsorbed by the atomizing component 30, and improves the efficiency of transferring the aerosol matrix to the atomizing component 30; atomization
  • the other side of the component 30 opposite to the liquid suction surface 31 is the heating surface 32.
  • the heating surface 32 atomizes the aerosol matrix particles in the atomization component 30 into aerosols.
  • the aerosol passes through the air passage that runs through the upper end and side wall of the fixing component 10. 14 enters the airway tube 3, and the aerosol flows to the outside through the airway tube 3 for the user to inhale; when the user stops inhaling, the negative pressure in the liquid storage chamber 202 is maintained within the threshold, causing the sealing sheet 21 to re-fit tightly On the air outlet 131, the aerosol matrix is prevented from leaking through the ventilation channel 13.
  • the fixing part 10 is provided with a ventilation channel 13 connected with the flow guide chamber 11, and the air outlet 131 is located on the inner wall of the fixing part 10 facing the liquid suction surface 31 of the atomizing part 30, so that the sealing sheet 21 fits At the air outlet 131, the sealing sheet 21 forms a one-way valve of the ventilation channel 13.
  • the air above the sealing sheet 21 is located in the ventilation channel 13, and the aerosol located above the atomizer 30 is below the sealing sheet 21.
  • the sealing sheet 21 is easy to deform, making the air replenishing efficiency fast and obvious, quickly achieving the air pressure balance inside and outside the liquid storage tank 202, and greatly avoiding the atomization caused by the difficulty of the aerosol matrix flowing down to be adsorbed by the atomizing member 30.
  • Part 30 causes the problem of core paste when heating and atomizing the aerosol matrix.
  • the size of the sealing piece 21 is not smaller than the size of the air outlet 131. It does not need to be exactly the same size as the air outlet 131, thereby reducing the dimensional accuracy of the sealing piece 21. requirements, thereby effectively reducing the difficulty of production and assembly.
  • This application uses the sealing sheet 21 and the ventilation channel 13 to balance the problems of air supply and liquid leakage prevention, and reduces the requirements for dimensional accuracy, which can effectively reduce the difficulty of production and avoid the problem of the atomizer 30 being stuck.
  • the ventilation channel 13' is provided between the atomizing member 30' and the first sealing member 20', and the sealing sheet 21' is located above the atomizing member 30' to affix it.
  • the sealing piece 21' forms a one-way valve of the ventilation channel 13', which can be opened upward; alternatively, the ventilation channel 13' is located on the fixing part 10' and is sleeved on the fixing part. Between the other seals b on the outer periphery of 10', the sealing piece 21' is located above the fixing member 10' to fit the air outlet 131' of the ventilation channel 13'.
  • the sealing piece 21' forms a one-way valve of the ventilation channel 13'. , can be opened upward. However, when the ventilation channel 13' is too large, the sealing piece 21' does not fit the air outlet 131' in time, which will cause the aerosol matrix to flow into the atomizer through the channel, causing oil leakage; when the ventilation channel 13' is too small, the sealing Due to insufficient air flow in the ventilation channel 13', the sealing piece 21' will be deformed and unable to resist the pressure of the aerosol matrix located on it, so that the air outlet 131' cannot be opened, and the air pressure balance inside and outside the liquid storage tank cannot be achieved in a timely manner. , thus causing the atomizer 30' to burn its core. Therefore, in order to achieve air pressure balance, the length of the ventilation channel 13' and the thickness and hardness of the sealing sheet 21' in Comparative Example 1 need to be repeatedly tested and adjusted, thereby increasing the workload.
  • the ventilation channel 13" is located between the fixing member 10' and the first sealing member 20", but no sealing piece is provided at the air outlet 131", resulting in the air inlet 132" and The air outlets 131" are all open.
  • the air supply effect of Comparative Example 2 is obvious, the risk of oil leakage is high.
  • the sealing sheet 21 covers the air outlet 131 to form a one-way valve.
  • the aerosol matrix remains Located below the sealing piece 21, the aerosol matrix is not easy to enter the ventilation channel 13, greatly reducing the risk of oil leakage; and the sealing piece 21 is easy to deform, and air enters the liquid storage bin 202 through the ventilation channel 13 for air replenishment.
  • the effect is fast and obvious; the application has low requirements on the length and size of the ventilation channel 13, saving a lot of time for product testing.
  • the simple structure reduces the unit price of the product, makes the product more market competitive, and reduces the risk of oil leakage. , optimizing customer experience.
  • the air inlet 132 of the ventilation channel 13 is located at the bottom end of the fixing member 10; it is arranged adjacent to the air inlet 203 of the atomizer, so that the air can quickly enter the exchanger when the user inhales. In the air channel 13.
  • the first sealing member 20 is a frame with upper and lower ends penetrating; this structure is simple and convenient for production, and allows the liquid suction surface 31 of the atomizing member 30 to communicate with the flow guide chamber 11, thereby realizing the aerosol matrix. Adsorption.
  • the atomizing member 30 includes a porous body (not shown) and a heating element (not shown).
  • the porous body is at least partially accommodated in the first sealing member 20 .
  • the heating element is provided on The side of the porous body away from the flow guide cavity 11, the side of the porous body facing the flow guide cavity 11 is the liquid suction surface 31, and the side of the porous body provided with a heating element is the heating surface 32, or the The end surface of the porous body close to the heating element (when the heating element is embedded inside the porous body) is the heating surface 32 .
  • the porous body is porous ceramics, porous glass ceramics, porous glass, etc.
  • the heating element is a heating wire, a heating mesh, a heating film, or the like.
  • the fixing member 10 is provided with an air outlet boss 40 located in the guide chamber 11 and spaced apart from the atomizing member 30 , and the ventilation channel 13
  • the air outlet 131 is located at one end of the air outlet boss 40 adjacent to the atomizer 30 , and the sealing piece 21 is attached to the air outlet boss 40 . It can be avoided that the wall thickness of the flow guide chamber 11 caused by the fixing member 10 opening the ventilation channel 13 is too thick. This can increase the communication area between the flow guide cavity 11 and the atomizing member 30, so that the liquid suction surface 31 of the atomizing member 30 can be increased. More aerosol substrates can be adsorbed, which further improves the efficiency of transferring the aerosol substrates into the atomizing part 30 and prevents the atomizing part 30 from burning the core.
  • one end of the air outlet boss 40 adjacent to the sealing piece 21 is recessed in a direction away from the atomizer 30 to form an air storage cavity 41 , and the ventilation channel 13 is connected to the air outlet boss 40 .
  • the air storage chamber 41 and the outside of the fixing member 10 More air can be stored in the air storage chamber 41, and the heating work of the atomizer 30 can heat the air in the air storage chamber 41, thereby increasing the air pressure in the air storage chamber 41, which is beneficial when replenishing the liquid storage chamber. , quickly forms the pressure difference required for gas replenishment to achieve rapid gas replenishment.
  • the first sealing member 20 is provided with a connecting boss 22 at one end adjacent to the air outlet boss 40, and the sealing piece 21 is provided on the connecting boss 22; And/or, the inner wall of the end of the first sealing member 20 away from the air outlet boss 40 is provided with a limiting groove 23, and the atomizing member 30 is located in the limiting groove 23; and/or, the atomization One end of the member 30 toward the air outlet boss 40 is recessed inward to form a movable groove (not shown), and the sealing piece 21 is located above the movable groove. All of the above three methods can make the sealing piece 21 spaced apart from the liquid suction surface 31 of the atomizer 30. One or more of the above three methods can be used to ensure the deformation space of the sealing piece 21.
  • the distance between the sealing piece 21 and the liquid suction surface 31 of the atomizing member 30 is greater than 0.5 mm.
  • a first groove (not shown) is provided at the connection point between the sealing piece 21 and the first sealing member 20 , or the wall thickness of the sealing piece 21 is smaller than the wall thickness of the first sealing member 20 . This facilitates the sealing piece 21 to tilt toward the direction of the atomizer 30, thereby improving the air supply efficiency.
  • the wall thickness of the sealing sheet 21 can be set differently corresponding to the air pressure of different air supply designs, which is not limited in this application.
  • the ventilation channel 13 is opened on the inner wall of the fixing member 10 , and the ventilation channel 13 communicates with the guide cavity 11 and the outside of the fixing member 10 .
  • the ventilation channel 13 is equivalent to a groove provided on the inner wall of the fixing member 10.
  • the ventilation channel 13 is opened in the wall of the fixing member 10 .
  • the fixing part 10 includes a connecting part 50 and a receiving part 60; a first air hole 51 is provided in the middle of the connecting part 50 and runs through the upper and lower ends, and the connecting part 50 The middle part of the component 50 and the middle part of the accommodating part 60 are spaced apart to form a second air hole 52.
  • the first air hole 51 and the second air hole 52 constitute the air passage 14; both sides of the connecting member 50 are The two sides of the accommodating member 60 are connected, and the flow guide cavity 11 is provided at the upper and lower ends of both sides of the connecting member 50 and the accommodating member 60 and the lower end of the middle part of the accommodating member 60.
  • the outer wall of the lower end of 60 extends in a direction away from the connecting member 50 to form the installation cavity 12.
  • the first sealing member 20, the sealing piece 21 and the atomizing member 30 are located in the accommodating member 60.
  • the channel 13 is provided on the receiving member 60 .
  • the cross-section of the flow guide chamber 11 in the vertical direction is Y-shaped, so that the aerosol matrix in the liquid storage tank 202 can flow from both sides of the connecting piece 50 and the containing piece 60 into the atomizing piece 30 located in the containing piece 60 in; and the aerosol formed by the atomization part 30 atomizing the aerosol matrix flows to the airway tube 3 of the atomizer through the air passage 14 composed of the first air hole 51 and the second air hole 52; the connecting piece 50 and
  • the accommodating part 60 has an ingenious structure and is integrally formed during production, which is beneficial to reducing production molds.
  • the air outlet boss 40 is also provided in the accommodating part 60; so that during the production process, the air outlet boss 40, the connecting piece 50 and the accommodating part 60 can be integrally formed.
  • a second groove 63 is provided on the surface of the middle part of the container 60; so that the aerosol can enter the second air hole 52 through the second groove 63, and then pass through the second groove 63. Once through the air hole 51, it enters the airway tube 3 of the atomizer.
  • the side wall of the container 60 is provided with a plurality of liquid storage strips 61 arranged at intervals, and the plurality of liquid storage strips 61 form a liquid storage structure with capillary action.
  • the liquid storage structure is connected with the air passage 14 and is used to store the condensate flowing down from the airway tube 3 in the atomizer through the air passage 14 to prevent the condensate from being sucked into the mouth of the user.
  • An embodiment of the present application also provides an atomizer, as shown in Figures 6 to 9.
  • the atomizer includes: a housing 2, an airway tube 3, an electrode member 6, and the atomizer core assembly 1 as described above. ;
  • the housing 2 is provided with an air suction port 201 and an air inlet 203.
  • the airway tube 3 is connected to the housing 2 and communicates with the air suction port 201.
  • the atomization core assembly 1 is located in the housing 2 and seals the liquid storage tank 202.
  • the airway tube 3 is connected to the air passage 14, and the air inlet 203 is connected to the air inlet 203.
  • the ventilation channel 13 and the air passage 14 of the atomizing core assembly 1 are connected, and the electrode member 6 is electrically connected to the atomizing member 30 .
  • the air suction port 201 and the air inlet 203 are respectively provided at both ends of the housing 2; or, the air inlet 203 is provided on the side wall of the housing 2.
  • the working principle of the atomizer is: the atomizing core assembly 1 is installed in the housing 2, and the side wall of the upper end of the fixing member 10 closely fits the inner wall of the housing 2 to prevent the liquid storage tank of the housing 2 from The aerosol matrix in 202 leaks, and the upper end of the air passage 14 of the fixing member 10 is connected to the airway tube 3 in the housing 2; when using the atomizer, the electrode member 6 is electrically connected to the power supply equipment, and the power supply device supplies the atomizer to the atomizer.
  • the atomizer 30 supplies power to atomize the aerosol matrix to generate aerosol; specifically, when left standing (that is, when the user does not start to inhale), the aerosol matrix and the air are in a static state, and the pressures everywhere are in a balanced state. There is a certain negative pressure in 202 to ensure that the aerosol matrix will not leak due to gravity;
  • the aerosol matrix in the liquid storage tank 202 enters the installation cavity 12 of the fixing member 10 through the guide hole 401 and the guide cavity 11, and is adsorbed by the liquid suction surface 31 of the atomizing member 30; as the As the user smokes, the atomizing part 30 is powered and heated, and the aerosol matrix adsorbed by the atomizing part 30 is continuously consumed.
  • the liquid level of the aerosol matrix in the liquid storage tank 202 gradually decreases, and the negative pressure in the liquid storage tank 202 gradually exceeds the threshold, so that The sealing piece 21 located in the flow guide chamber 11 is tilted toward the direction of the atomizer 30, thereby opening the air outlet 131 of the ventilation channel 13, so that outside air can enter the flow guide cavity 11 through the air inlet 203 and the ventilation channel 13.
  • the other side of the atomization member 30 opposite to the liquid suction surface 31 is the heating surface 32.
  • the heating surface 32 atomizes the aerosol matrix particles in the atomization member 30 into aerosol, as indicated by the straight arrows in Figures 7 and 8.
  • the beneficial effects of the atomizer provided by the embodiment of the present application are: (1)
  • the fixed part 10 is provided with a ventilation channel 13 connected with the guide chamber 11, and the air outlet 131 is located at the suction side of the fixed part 10 facing the atomizing part 30.
  • the air above the sealing sheet 21 is located in the ventilation channel 13.
  • the sealing sheet 21 is Below 21 is the aerosol matrix located above the atomizer 30.
  • the sealing sheet 21 tilts toward the direction of the atomization member 30, and the deformation of the sealing sheet 21 only needs to resist
  • the pressure of the aerosol matrix located above the atomizer 30 and the easy deformation of the sealing sheet 21 make the air replenishment efficiency fast and obvious, quickly achieving the air pressure balance inside and outside the liquid storage tank 202, and greatly avoiding the difficulty of the aerosol matrix flowing.
  • the atomized part 30 may be absorbed by the atomizing part 30, which may cause the atomizing part 30 to heat and atomize the aerosol matrix, resulting in the problem of core paste.
  • the size of the sealing piece 21 is not smaller than the size of the air outlet 131. It does not need to be exactly the same size as the air outlet 131, thereby reducing the dimensional accuracy of the sealing piece 21. requirements, thereby effectively reducing the difficulty of production and assembly.
  • This application uses the sealing sheet 21 and the ventilation channel 13 to balance the problems of air supply and liquid leakage prevention, and reduces the requirements for dimensional accuracy, which can effectively reduce the difficulty of production and avoid the problem of the atomizer 30 being stuck.
  • the number of electrode members 6 is two or three; when the number of electrode members 6 is two, one is a positive electrode and the other is a negative electrode; when the number of electrode members 6 is three, Two are positive electrodes and the other is a negative electrode, or two are negative electrodes and the other is a positive electrode. In this way, two sets of parallel heating elements can be set, or an additional temperature sensing element can be set.
  • the airway tube 3 is connected with the suction port 201 by threads or buckles 62, etc.
  • the housing 2 and the airway tube 3 are formed in one piece.
  • the housing 2 is a hollow structure with one end open. The end of the housing 2 away from the opening is recessed inward to form the suction port 201 and the airway tube. 3.
  • the cavity in the housing 2 forms a liquid storage tank 202 arranged around the periphery of the airway tube 3. The user injects the aerosol matrix into the liquid storage tank 202 through the opening.
  • the atomizer also includes a second seal 4.
  • the second seal 4 is provided in the housing 2, and the atomizing core assembly 1 is sleeved
  • guide holes 401 connected to the guide cavity 11 are provided on both sides of the second sealing member 4, and a guide hole 401 is provided in the middle of the second sealing member 4 connected to the flow guide cavity 11.
  • the third air hole 402 of the air channel 14; the airway tube 3 is connected to the third air hole 402.
  • the side wall of the second seal 4 is in close contact with the opening to seal the liquid storage tank 202.
  • the aerosol matrix in the liquid storage tank 202 enters the flow guide chamber 11 in the atomizing core assembly 1 through the guide hole 401.
  • the first air hole 51 of the air passage 14 is connected to the third air hole 402; the air inlet 203, the second groove 63, the air passage 14, the third air hole 402, the airway tube 3 and the suction port 201 are formed
  • the aerosol circulation channel; the air inlet 203, the air inlet 132 and the air outlet 131 of the ventilation channel 13 form an air pressure balance channel; so that the present application can realize the air replenishment of the liquid storage tank 202 when satisfying the needs of smoking.
  • the housing 2 includes an upper shell 204 and a base 205.
  • the second seal 4 and the atomization core assembly 1 are located in the upper shell 204.
  • the suction port 201, the airway tube 3, and the liquid storage bin 202 are located in the upper shell 204.
  • the upper shell 204 and the base 205 are connected to the upper shell 204 and engage the fixing member 10 of the atomizing core assembly 1.
  • the air inlet 203 is opened in the base 205 to facilitate the installation of the atomizing core assembly 1.
  • an opening is provided on the side wall of the housing 2, and a sealing plate is provided at the opening.
  • the second seal 4 and the atomizing core assembly 1 are inserted into the housing 2 through the opening, and then the opening is sealed by the sealing plate. .
  • support members 7 are provided on both sides of the base 205, and buckle grooves 701 are provided on the support members 7.
  • the outer wall of the accommodation member 60 of the fixing member 10 A buckle 62 is provided, and the buckle 62 is engaged with the buckle groove 701 to realize the support and fixation of the atomization core assembly 1 by the base 205; and to enable the base 205 to be spaced apart from the heating surface 32 of the atomizer 30.
  • forming an atomization chamber is an atomization chamber.
  • the base 205 is provided with a sealing ring 8, and the sealing ring 8 is in contact with the inner wall of the upper shell 204; the sealing ring 8 increases the gap between the upper shell 204 and the base 205. friction between them.
  • the assembly process of the atomizer is: first assemble the atomizing core assembly 1, install the atomizing member 30 into the first sealing member 20, and then put the first sealing member 20 with the atomizing member 30 into it.
  • the sealing member 20 is transferred into the fixing member 10, and the sealing piece 21 is fit with the air outlet 131 of the ventilation channel 13; then, the electrode member 6 is inserted into the base 205, and then the sealing ring 8 is put on the base 205; and then , install the assembled atomizing core assembly 1 as a whole on the base 205, engage the buckle 62 with the buckle groove 701, and electrically connect the electrode member 6 to the heating element of the atomizing member 30; then, connect the second
  • the sealing member 4 is placed on the connecting member 50 of the fixing member 10, so that the flow guide hole 401 is directly opposite to the flow guide cavity 11, and the third air hole 402 is directly opposite to the first air hole 51; then, the upper shell 204 is inverted.
  • An embodiment of the present application also provides an aerosol generating device.
  • the aerosol generating device includes a power supply device and an atomizer as described above.
  • the power supply device is electrically connected to the atomizer to supply the atomizer to the atomizer. power supply.

Abstract

La présente invention appartient au domaine technique de l'aérosol et concerne un ensemble noyau d'atomisation (1), un atomiseur et un dispositif de génération d'aérosol. L'ensemble noyau d'atomisation (1) comprend : un élément de fixation (10), un premier élément d'étanchéité (20) et un élément d'atomisation (30); l'élément de fixation (10) est pourvu d'une cavité de guidage d'écoulement (11) pénétrant de l'extrémité supérieure à l'extrémité inférieure et la paroi externe de l'élément de fixation (10) s'étend dans une direction s'éloignant de la cavité de guidage d'écoulement (11) pour former une cavité de montage (12); l'élément d'atomisation (30) est situé dans la cavité de montage (12); le premier élément d'étanchéité (20) est pris en sandwich entre la cavité de montage (12) et l'élément d'atomisation (30); une surface d'absorption de liquide (31) de l'élément d'atomisation (30) est en communication avec la cavité de guidage d'écoulement (11); l'élément de fixation (10) est pourvu d'un canal de ventilation (13) en communication avec la cavité de guidage d'écoulement (11); une sortie d'air (131) du canal de ventilation (13) est disposée sur la paroi interne de l'élément de fixation (10) faisant face à la surface d'absorption de liquide (31); une pièce d'étanchéité (21) est disposée à l'extrémité du premier élément d'étanchéité (20) à proximité de la cavité de guidage d'écoulement (11), la pièce d'étanchéité (21) est située dans la cavité de guidage d'écoulement (11) et fixée à la sortie d'air (131) du canal de ventilation (13) et la pièce d'étanchéité (21) et la surface d'absorption de liquide (31) sont espacées l'une de l'autre; l'élément de fixation (10) est pourvu d'un passage d'air (14). Les problèmes de supplémentation en gaz et de prévention de fuite de liquide sont équilibrés au moyen de la pièce d'étanchéité (21) et du canal de ventilation (13), l'exigence de précision dimensionnelle est réduite et le problème de combustion de l'élément d'atomisation (30) est évité.
PCT/CN2022/124307 2022-05-20 2022-10-10 Ensemble noyau d'atomisation, atomiseur et dispositif de génération d'aérosol WO2023221376A1 (fr)

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