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WO2023035856A1 - Dispositif de génération d'aérosol - Google Patents

Dispositif de génération d'aérosol Download PDF

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Publication number
WO2023035856A1
WO2023035856A1 PCT/CN2022/111943 CN2022111943W WO2023035856A1 WO 2023035856 A1 WO2023035856 A1 WO 2023035856A1 CN 2022111943 W CN2022111943 W CN 2022111943W WO 2023035856 A1 WO2023035856 A1 WO 2023035856A1
Authority
WO
WIPO (PCT)
Prior art keywords
aerosol generating
generating device
sleeve
tube
heating body
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.)
Ceased
Application number
PCT/CN2022/111943
Other languages
English (en)
Chinese (zh)
Inventor
叶世栋
张幸福
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Maishi Technology Co Ltd
Original Assignee
Shenzhen Merit Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Merit Technology Co Ltd filed Critical Shenzhen Merit Technology Co Ltd
Priority to JP2024514368A priority Critical patent/JP7735549B2/ja
Priority to EP22866330.8A priority patent/EP4399984A4/fr
Publication of WO2023035856A1 publication Critical patent/WO2023035856A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • A24F47/00—Smokers' requisites not otherwise provided for
    • 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
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means

Definitions

  • the present application relates to the technical field of electronic atomization, in particular to an aerosol generating device.
  • the aerosol-generating device heats the aerosol-generating substrate by heating the aerosol-generating substrate to generate an aerosol that can be inhaled by the user.
  • the baking The baking method can greatly reduce the harmful components in the aerosol, so that the aerosol generating device has a broad market demand.
  • the aerosol generating device usually includes a heating body and a power supply assembly.
  • the heating body can be inserted into the inside of the aerosol generating substrate.
  • the power supply assembly supplies power to the heating body.
  • the heating body converts electrical energy into heat energy to heat and atomize the aerosol generating substrate to obtain an Sol.
  • the application provides an aerosol generating device, the aerosol generating device has a storage space for accommodating the aerosol generating substrate; the aerosol generating device also includes:
  • a heating body at least part of which extends into the receiving space, so as to be able to heat the aerosol-generating substrate
  • the sleeve includes a first pipe body and a second pipe body, the first pipe body and the second pipe body are closed at both ends to form a vacuum space surrounding the outside of the receiving space, The length of the vacuum space is greater than the length of the heating body.
  • the sleeve further includes a third tube body, the first tube body and the second tube body are respectively closed with the third tube body at both ends to form a multi-layered vacuum space.
  • the sides of the first pipe body, the second pipe body and the third pipe body facing away from the heating body are all covered with a heat insulating layer.
  • the wall thickness of the first tube body and the second tube body is less than 0.2mm.
  • the aerosol generating device further includes a first fixing member for fixing the sleeve, and the first fixing member bears against a side of the sleeve facing away from the heating body, And corresponds to the region with the vacuum space.
  • the first fixing member acts on a middle position on the sleeve corresponding to the vacuum space.
  • the first fixing part is in indirect contact with the sleeve through a heat insulating part.
  • the aerosol generating device further includes a second fixing part and a third fixing part, and the second fixing part and the third fixing part respectively fix the sleeve from both ends of the sleeve.
  • the aerosol generating device further includes a support frame, the heating body is installed on the support frame; there are a plurality of third fixing members, and the plurality of third fixing members are connected to each other at intervals. on the support frame and work together on the same end face of the sleeve.
  • the aerosol generating device further includes an extractor, the extractor surrounds the receiving space, and at least part of the extractor is housed inside the casing; the casing and the Extractor interval setting.
  • a through hole is opened on the extractor, the heating body extends into the receiving space through the through hole, and there is a gap between the heating body and an inner wall of the through hole.
  • the aerosol generating device includes a support frame, the heating body is installed on the support frame; the support frame is spaced apart from the extractor.
  • the aerosol generating device includes an outer tube, and both the heating body and the sleeve are accommodated inside the outer tube.
  • said outer tube comprises two nested tubes joined at an edge and forming a vacuum chamber between said tubes surrounding said sleeve.
  • Figure 1 is an isometric view of an aerosol generating device of some embodiments
  • Fig. 2 is a front view (a) and a right view (b) of the aerosol generating device shown in Fig. 1;
  • Fig. 3 is a cross-sectional view of the aerosol generating device shown in Fig. 2 along the B-B direction;
  • Fig. 4 is a cross-sectional view of the aerosol generating device shown in Fig. 2 along the direction A-A;
  • Fig. 5 is the enlarged schematic diagram of the structure at E place in Fig. 3;
  • Figure 6 is a schematic enlarged view of the structure at F in Figure 4.
  • Fig. 7 is a schematic diagram of cooperation of key elements associated with the heating element and the sleeve in the structure shown in Fig. 6;
  • Fig. 8 is a schematic structural view of the casing in Fig. 7;
  • Fig. 9 is a schematic structural view of the integral formation of the support frame and the third fixing part in Fig. 7;
  • FIG. 10 is a schematic structural diagram of the extractor in FIG. 7 .
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features.
  • the features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • a first feature being "on” or “under” a second feature may mean that the first and second features are in direct contact, or that the first and second features are indirect through an intermediary. touch.
  • “above”, “above” and “above” the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • “Below”, “beneath” and “beneath” the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.
  • the present application protects an aerosol generating device 10 .
  • the aerosol generating device 10 generally extends into a rod-shaped structure, the extension direction of the aerosol generating device 10 is defined as the axial direction, and the direction perpendicular to the axial direction is the radial direction.
  • the direction of the Z axis is the axial direction
  • the X axis and the Y axis are both perpendicular to the Z axis
  • the directions of the X axis and the Y axis are both radial directions of the aerosol generating device 10 .
  • the aerosol generating device 10 has a storage space 11 for accommodating an aerosol generating substrate 20 .
  • the aerosol generating device 10 includes a heating body 13 and a sleeve 12 . At least part of the heating body 13 protrudes into the receiving space 11 to be able to heat the aerosol-generating substrate 20 .
  • the sleeve 12 surrounds the receiving space 11 .
  • the sleeve 12 includes a first tube body 126 and a second tube body 122 .
  • the first tube body 126 and the second tube body 122 are closed at both ends to form a vacuum space 121 surrounding the receiving space 11 .
  • the length of the vacuum space 121 is greater than that of the heating body 13 .
  • the heating body 13 can be inserted into the inside of the aerosol generating substrate 20.
  • the aerosol-generating substrate 20 is heated and atomized to obtain an aerosol.
  • the casing 12 is arranged around the outer periphery of the receiving space 11 , and the length of the vacuum space 121 is greater than the length of the heating body 13 .
  • the heating body 13 is located between the plane H1 and the plane H2 in the axial direction, and the area between the planes H1 and H2 needs to have a corresponding vacuum space 121 in the radial direction.
  • the heat insulation effect of the vacuum space 121 can confine more heat in the space surrounded by the sleeve 12, and block the conduction of the heat generated by the entire heating body 13 along the radial direction, so that a large amount of heat generated by the heating body 13
  • the heat will be concentrated inside the containing space 11 to heat the aerosol-generating substrate 20, so as to realize effective utilization of heat and improve energy utilization rate.
  • the heat transmitted to the outer periphery of the aerosol generating device 10 in the radial direction will be reduced, thereby helping to reduce the temperature of the outer periphery of the aerosol generating device 10, avoiding The temperature around the aerosol generating device 10 is too high, which affects user experience.
  • the sleeve 12 with the vacuum space 121 has better heat insulation effect and can improve energy utilization.
  • the temperature field of the heating body 13 in this application will not change, and will not affect the taste of the aerosol, and the higher energy utilization rate can make the aerosol
  • the generating matrix 20 can be heated and atomized more fully, which can help to achieve a better inhalation taste.
  • the second tube body 122 includes a spacer portion 123 and two connecting portions 124 , and the two connection portions 124 are respectively connected to two axial ends of the spacer portion 123 .
  • the connecting portion 124 is connected with the end of the first tube body 126 , and a gap is formed between the spacer portion 123 and the first tube body 126 , and the vacuum space 121 is obtained by vacuuming the gap.
  • the sleeve 12 can also include a third tube body (not shown), the first tube body 126, the second tube body 122 are closed with the third tube body at both ends to form a surrounding space outside The multi-layer vacuum space 121.
  • the third pipe body is located between the first pipe body 126 and the second pipe body 122, so that there A vacuum space 121 is formed, so that the vacuum space 121 has multiple layers in the radial direction, which can better block heat transfer in the radial direction. Further, there may be multiple third tube bodies located between the first tube body 126 and the second tube body 122 , so that a larger number of vacuum spaces 121 can be obtained in the radial direction.
  • multiple sleeves 12 may also be provided, and multiple sleeves 12 are nested in sequence. It can be understood that a plurality of sleeves 12 means that the number of sleeves 12 is two or more. By arranging multiple sleeves 12 , multiple vacuum spaces 121 can also be configured in the radial direction, so that heat transfer in the radial direction can be better blocked.
  • the wall thickness of the first tube body 126 and the second tube body 122 is less than 0.2 mm. It can be understood that when the wall thickness is large, the heat will be transferred along the first pipe body 126 and the second pipe body 122, and the sleeve 12 cannot be effectively insulated. Therefore, the first pipe body 126 and the second pipe body The wall thickness of the second pipe body 122 is less than 0.2mm, which can reduce heat transfer along the casing 12 and also make full use of the vacuum space 121 to achieve better heat insulation effect.
  • the space surrounded by the vacuum space 121 specifically refers to the receiving cavity 125 surrounded by the first tube body 126 on the side facing away from the vacuum space 121 . Both the receiving space 11 and the heating body 13 are located in the receiving cavity 125 . It can be understood that since the sleeve 12 is surrounded by the outer periphery of the storage space 11, the space surrounded by the sleeve 12 is the storage cavity 125, which is located inside the sleeve 12, and the sleeve 12 is open at both ends.
  • the vacuum space 121 is located inside the solid structure of the casing 12 and makes the casing 12 a sandwich structure. Therefore, the vacuum space 121 surrounds the containing cavity 125 .
  • the accommodating cavity 125 penetrates both ends of the casing 12 in the axial direction, so that the accommodating space 11 can extend from the opening at one end of the casing 12 into the accommodating cavity 125, and the heating element 13 can be installed in the opening at the other end of the casing 12. Inside the accommodation cavity 125 .
  • the accommodating cavity 125 can only penetrate through one end of the sleeve 12 in the axial direction, so that one end of the sleeve 12 is open and the other end is closed.
  • the heating body 13 can be installed in the receiving cavity 125 close to the closed end of the sleeve 12 , and the receiving space 11 can extend from the open end of the sleeve 12 into the receiving cavity 125 .
  • the sides of the first pipe body 126 , the second pipe body 122 and the third pipe body away from the heating body are all covered with a heat insulating layer.
  • heat transfer in the radial direction can be further blocked by setting the heat insulation layer.
  • the side of the second pipe body 122 facing away from the heating body 13 is entirely covered with the heat insulating layer 14 .
  • the second pipe body 122 can be coated with aerogel to utilize the low thermal conductivity of the aerogel to form the heat insulation layer 14 .
  • the heat insulation layer 14 may also be formed by forming gaps between the area with more second pipe body 122 and other adjacent components, and utilizing the relatively low thermal conductivity of the air in the gaps.
  • the heat insulating layer 14 should not only cover the area corresponding to the vacuum space 121 on the sleeve 12, but also cover the areas at both ends of the sleeve 12 in the axial direction, so as to prevent the heat conduction of the entire sleeve 12 in the radial direction .
  • the aerosol generating device 10 includes a first fixing member 15 , and the first fixing member 15 fixes the sleeve 12 in a radial direction. Furthermore, the first fixing member 15 is in a tubular structure so as to be sleeved on the periphery of the sleeve 12 , and the sleeve 12 cannot move inside the first fixing member 15 in the radial direction. Further, by coating the airgel on the second tube body 122, the gap between the first fixing member 15 and the casing 12 can be filled while the heat insulation layer 14 is formed, so as to seal the first fixing member 15 It is relatively fixed with the casing 12.
  • the first fixing member 15 abuts against the side of the sleeve 12 away from the heating body 13 and corresponds to the area of the vacuum space 121 . It can be understood that under the heat insulation effect of the vacuum space 121, heat will be more transmitted to both ends of the sleeve 12 along the axial direction, so that the temperature of the sleeve 12 in the area corresponding to the vacuum space 121 is lower than that of the sleeve 12. The temperature at both ends, by making the first fixing member 15 against the area corresponding to the vacuum space 121 on the sleeve 12, while realizing the radial fixing effect of the first fixing member 15 on the sleeve 12, it can also reduce the heat transfer to the second A transfer of the fixing part 15.
  • the connecting portion 124 more heat will be transferred to the connecting portion 124 , while the temperature on the barrier portion 123 corresponding to the vacuum space 121 is relatively low, and the first fixing member 15 acts on the barrier portion 123 .
  • a connecting bump is protruded on the barrier portion 123 , and the first fixing member 15 is abutted against the connecting bump.
  • there will be a gap between the partition portion 123 and the first fixing member 15 and the gap can constitute the heat insulation layer 14 .
  • the first fixing member 15 acts on a middle position on the casing 12 corresponding to the vacuum space 121 .
  • the middle position of the vacuum space 121 is specifically understood as the middle position of the vacuum space 121 along the axial direction. It can be understood that the temperature at both ends of the sleeve 12 along the axial direction is higher, and the farther away from the two ends, the lower the temperature will be. In this way, by making the first fixing member 15 act on the middle position of the vacuum space 121 in the axial direction, it can The transfer of heat to the first fixing member 15 is further reduced.
  • the first fixing part 15 is a plastic fixing part. It can be understood that the first fixing part 15 is made of plastic material, so that the first fixing part 15 will have low thermal conductivity, thereby reducing heat transfer in the radial direction.
  • the first fixing member 15 and the sleeve 12 are in indirect contact through a heat insulating member. It can be understood that by disposing a heat insulating member between the first fixing member 15 and the sleeve 12 , heat transfer from the sleeve 12 to the first fixing member 15 can be blocked.
  • the first fixing member 15 and the casing 12 are connected at intervals through the heat insulation layer 14, and the heat insulation layer 14 is sufficient. Realize the function of heat insulation.
  • a connecting bump is protruded, and the first fixing member 15 and the connecting bump can be coated with airgel. Indirect connection, airgel can realize the function of heat insulation.
  • the two ends of the first fixing member 15 in the axial direction are spaced apart from the two connecting parts 124 at the two ends of the sleeve 12 along the axial direction to form a gap, thereby utilizing the relatively low thermal conductivity of the air in the gap.
  • a heat insulation structure is formed, thereby reducing the heat transfer along the radial direction at both ends of the casing 12 .
  • the aerosol generating device 10 includes a second fixing member 16 and a third fixing member 17. Fixed sleeve 12. It can be understood that the second fixing member 16 and the third fixing member 17 are respectively connected to two end surfaces of the sleeve 12 , and the two cooperate to fix the sleeve 12 in the axial direction.
  • the second fixing member 16 is in the shape of an annular disk, so as to be able to completely cover one end surface of the sleeve 12 . Specifically, the second fixing member 16 covers an end of the sleeve 12 where the receiving space 11 extends into the receiving cavity 125 .
  • the second fixing part 16 is a plastic fixing part, so as to reduce heat transfer from the sleeve 12 to the second fixing part 16 .
  • the indirect contact between the second fixing member 16 and the sleeve 12 is through a heat insulating member, so as to reduce heat transfer from the sleeve 12 to the second fixing member 16 .
  • the heat insulating element may be aerogel coated on the end surface of the casing 12 .
  • the first fixing part 15 extends in the axial direction and is integrally formed with the second fixing part 16 , so as to reduce the installation complexity of the first fixing part 15 and the second fixing part 16 .
  • the third fixing part 17 is a plastic fixing part, so as to reduce heat transfer from the sleeve 12 to the third fixing part 17 .
  • the indirect contact between the third fixing member 17 and the sleeve 12 is through a heat insulating member, so as to reduce heat transfer from the sleeve 12 to the third fixing member 17 .
  • the heat insulating element may be aerogel coated on the end surface of the casing 12 .
  • the aerosol generating device 10 includes a support frame 18, and the heating body 13 is installed on the support frame 18; there are multiple third fixing parts 17, and the plurality of third fixing parts 17 are all connected on the support frame 18 and act on the same end surface of the sleeve 12 at intervals.
  • the support frame 18 is located in the receiving cavity 125 to provide support for the heating body 13.
  • the third fixing member 17 is connected with the support frame 18 , protrudes out of the receiving cavity 125 , and is bent radially toward the side of the sleeve 12 so as to abut against the end surface of the sleeve 12 in the axial direction.
  • a plurality of third fixing pieces 17 are arranged at intervals, so that gaps can be formed between two adjacent third fixing pieces 17, thereby reducing the contact area with the end surface of the sleeve 12, thereby reducing heat transfer between the sleeve 12 and the third fixing piece. Mutual transfer between pieces 17.
  • a plurality of third fixing pieces 17 are integrally formed with the support frame 18 . Since the support frame 18 provides support for the heating body 13, the whole of the support frame 18 and the third fixing member 17 can be made of plastic material, and the low thermal conductivity of the plastic material can be used to reduce the heat generated by the heating body 13. The conduction of the three mounts 17 to the sleeve 12 allows more energy to be applied to heat the aerosol-generating substrate 20 . It should be pointed out that, in other embodiments, the third fixing member 17 and the support frame 18 may also be independent of each other.
  • the support frame 18 has a hollow structure
  • the heating body 13 includes a terminal 131 and a heating end 132.
  • the terminal 131 can be accommodated inside the support frame 18, and the heating end 132 extends out of the support frame 18 and is inserted into the aerosol.
  • the aerosol generating device 10 includes a gasket 19, the gasket 19 is accommodated inside the support frame 18, and is sealed between the terminal 131 and the support frame 18, so as to seal the passage on the support frame 18 through which the heating body 13 penetrates.
  • the holes 181 are sealed to prevent dust or fluids from entering the interior of the support frame 18 .
  • the aerosol generating device 10 includes a first base 21 , and the first base 21 is accommodated in the supporting frame 18 to abut against the terminal 131 to provide stable support for the terminal 131 .
  • the end of the support frame 18 away from the through hole 181 is in an open structure.
  • the aerosol generating device 10 includes a second base 22 , the second base 22 is accommodated in the support frame 18 and blocks the opening of the support frame 18 .
  • the gasket 19 is made of silica gel
  • the support frame 18, the first base 21, and the second base 22 are all made of plastic, and the components cooperate with each other to block the heat generated by the terminal 131 of the heating body 13 at the support frame 18.
  • the second base 22 extends from the inside of the support frame 18 to the outside of the support frame 18 and is bent along with the bending of the third fixing member 17 so as to act on the casing 12 together with the third fixing member 17 in the axial direction.
  • the aerosol generating device 10 includes an extractor 23, the extractor 23 surrounds the storage space 11, part of the extractor 23 is accommodated inside the sleeve 12, and part of the extractor 23 is located in the sleeve 12, the casing 12 is spaced apart from the extractor 23. It will be appreciated that the extractor 23 provides space for the placement of the aerosol-generating substrate 20 . Part of the extractor 23 is located in the receiving chamber 125, and part of the extractor 23 is located outside the receiving chamber 125.
  • the aerosol generating substrate 20 when the aerosol generating substrate 20 is a cigarette, it can help to make the aerosol generating substrate 20 in the casing 12 Being heated and atomized at high temperature, the temperature of the aerosol-generating substrate 20 outside the sleeve 12 is relatively low, so that the user can inhale the aerosol-generating substrate 20 .
  • the entirety of the extractor 23 located within the casing 12 .
  • the sleeve 12 and the extractor 23 are spaced apart, that is, there is a gap between the outer wall surface of the extractor 23 and the inner wall surface of the housing cavity 125 on the sleeve 12, which can help to further block the self-extraction of heat. The transmission of the device 23 to the casing 12.
  • a through hole 231 is opened on the extractor 23 , the heating body 13 extends into the receiving space 11 through the through hole 231 , and there is a gap between the heating body 13 and the inner wall of the through hole 231 .
  • the extractor 23 includes a peripheral side wall 232 and a bottom wall 233 connected to the peripheral side wall 232 .
  • the peripheral side wall 232 and the bottom wall 233 together form a barrel structure with one end open and the other end closed.
  • the through hole 231 is located on the bottom wall 233 .
  • the heating body 13 extends into the receiving space 11 through the through hole 231 , and can be inserted into the aerosol generating substrate 20 in the receiving space 11 . Further, the heating body 13 is not in contact with the inner wall of the through hole 231 , which can effectively reduce the conduction of heat from the heating body 13 to the extractor 23 , so that more heat can be used to heat the aerosol generating substrate 20 .
  • the support frame 18 is spaced apart from the extractor 23 . It can be understood that the support frame 18 is arranged close to the bottom wall 233 of the extractor 23 and arranged at intervals in the axial direction in the receiving chamber 125 , so that the heat conduction between the extractor 23 and the support frame 18 can be blocked.
  • the support frame 18 and the extractor 23 are arranged at intervals, which also helps to make the gap between the sleeve 12 and the extractor 23, the support frame 18 and the extraction
  • the gaps between the devices 23 and the through-holes 231 are sequentially connected to form a channel for the airflow to flow into the aerosol generating matrix 20 for the user to inhale, so that the cold airflow will preferentially enter between the casing 12 and the extractor 23
  • the gap between the two absorbs the heat between the two, and plays the role of cooling and heat insulation.
  • the temperature rises it enters the aerosol generating matrix 20 along the through hole 231, which also helps to heat the aerosol generating matrix 20 and enhance energy efficiency.
  • the aerosol generating device 10 includes an outer tube 24 , and the heating body 13 and the sleeve 12 are housed inside the outer tube 24 .
  • the outer tube 24 serves as an appearance structural part of the aerosol generating device 10, which will be in direct contact with the user.
  • the outer tube 24 comprises two nested tubes (not shown) joined at the edges and forming a vacuum chamber therebetween that surrounds the sleeve 12, and The entirety of the sleeve 12 is located in the space surrounded by the vacuum chamber.
  • the outer tube 24 has a structure similar to that of the casing 12, so that the inside of the outer tube 24 has a vacuum chamber for heat insulation, so that the outer tube 24 cooperates with the casing 12 to achieve better heat insulation effect.
  • the sleeve 12 can also be directly used as the outer tube 24 , and at this time, both the heating body 13 and the receiving space 11 are still located in the receiving cavity 125 surrounded by the sleeve 12 .
  • the aerosol generating device 10 includes a power supply assembly 25 installed inside the outer tube 24.
  • the power supply assembly 25 is connected to the heating body 13 to supply power to the heating body 13, so that the heating body 13 converts electrical energy into heat to heat the atomized aerosol.
  • a matrix 20 is generated.
  • the outer tube 24 includes a first tube 241 and a second tube 242 that is detachably connected to the first tube 241.
  • the first tube 241 and the second tube 242 are mated and connected in the axial direction, and together form a container. space for each functional component.
  • the power supply assembly 25 is installed in the second tube 242 .
  • the heating body 13 , the sleeve 12 , and the accommodating space 11 are more located in the first tube 241 in the axial direction.
  • the aerosol generating device 10 includes a support base 26 , and the support base 26 is fixed inside the second tube 242 .
  • the third fixing member 17 abuts against the supporting seat 26 , and the supporting seat 26 provides the third fixing member 17 with an axial support function.
  • the second base 22 is placed on the supporting base 26 , and the supporting base 26 indirectly supports the third fixing member 17 by supporting the second base 22 , so as to fix the casing 12 in the axial direction.
  • the first fixing member 15 is connected to the supporting seat 26 , and the supporting seat 26 can also support the whole formed by the first fixing member 15 and the second fixing member 16 in the vertical direction.
  • the part of the extractor 23 outside the casing 12 is fixedly connected to the outer tube 24 .
  • the outer tube 24 is provided with a port 243 at a position corresponding to the receiving space 11 for the aerosol generating substrate 20 to extend into the receiving space 11, and the extractor 23 is provided with a channel 234 communicating with the channel 243.
  • the channel 234 is along the Extends axially and communicates with the gap between the casing 12 and the extractor 23 at the same time, so that the external airflow can enter the through groove 234 and the gap between the casing 12 and the extractor 23 from the port 243 .
  • the heat insulation layer 14 formed by coating the airgel on the outermost periphery of the casing 12 extends in the axial direction, and the part of the second base 22 that is bent with the third fixing member 17 Part radially exceeds the third fixing member 17 and abuts against the heat insulation layer 14 to achieve sealing, thereby blocking the communication between the receiving cavity 125 and the inner space of the second tube 242 at one end of the receiving cavity 125 .
  • the first fixing part 15 realizes sealing at the junction with the first tube 241 and the second tube 242, so that the whole formed by the first fixing part 15 and the second fixing part 16 faces the side of the first tube 241 and the second tube 241.
  • the tubes 242 are cut off, so that the gap between the whole body and the first tube 241 is only connected to the housing cavity 125 in the casing 12, so that dust and fluid in the housing cavity 125 can be prevented from entering the second tube 242 and causing damage to the tube.
  • the power supply component 25 causes adverse effects.
  • the aerosol generating device 10 of the present application by blocking the conduction of the heat generated by the entire heating body 13 in the radial direction, a large amount of heat generated by the heating body 13 will be concentrated in the housing space 11 to heat the aerosol generating substrate 20 , so as to realize the effective utilization of heat and increase the energy utilization rate by more than 8%.
  • it also helps to reduce the heat transmitted to the outer periphery of the aerosol generating device 10 in the radial direction, thereby helping to reduce the temperature of the outer periphery of the aerosol generating device 10, and avoiding that the temperature of the outer periphery of the aerosol generating device 10 is too high to affect user experience.
  • the design scheme of the present application can reduce the temperature of the outer periphery by more than 5°C.

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Abstract

Dispositif de génération d'aérosol (10). Ce dispositif de génération d'aérosol (10) est pourvu d'un espace de logement (11) destiné à loger un substrat de génération d'aérosol (20) ; le dispositif de génération d'aérosol (10) comprend en outre un corps chauffant (13) et un manchon (12) ; au moins une partie du corps chauffant (13) s'étend dans l'espace de logement (11) de manière à chauffer le substrat de génération d'aérosol (20) ; et le manchon (12) comprend un premier corps de manchon (126) et un second corps de manchon (122), le premier corps de manchon (126) et le second corps de manchon (122) sont fermés aux deux extrémités pour former un espace sous vide (121) entourant l'extérieur de l'espace de logement (11), et la longueur de l'espace sous vide (121) est supérieure à la longueur du corps chauffant (13).
PCT/CN2022/111943 2021-09-07 2022-08-12 Dispositif de génération d'aérosol Ceased WO2023035856A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2024514368A JP7735549B2 (ja) 2021-09-07 2022-08-12 エアロゾル発生装置
EP22866330.8A EP4399984A4 (fr) 2021-09-07 2022-08-12 Dispositif de génération d'aérosol

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CN120226796A (zh) * 2023-12-29 2025-07-01 思摩尔国际控股有限公司 一种气溶胶生成装置及气溶胶生成系统

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CN216147240U (zh) 2022-04-01

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