WO2019214008A1 - 一种气雾产生装置 - Google Patents

一种气雾产生装置 Download PDF

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Publication number
WO2019214008A1
WO2019214008A1 PCT/CN2018/090850 CN2018090850W WO2019214008A1 WO 2019214008 A1 WO2019214008 A1 WO 2019214008A1 CN 2018090850 W CN2018090850 W CN 2018090850W WO 2019214008 A1 WO2019214008 A1 WO 2019214008A1
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WO
WIPO (PCT)
Prior art keywords
generating device
aerosol
outer casing
housing
aerosol generating
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PCT/CN2018/090850
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English (en)
French (fr)
Inventor
瞿江洪
陆闻杰
王嘉俊
李祥林
聂斌
张慧
Original Assignee
上海新型烟草制品研究院有限公司
上海烟草集团有限责任公司
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Application filed by 上海新型烟草制品研究院有限公司, 上海烟草集团有限责任公司 filed Critical 上海新型烟草制品研究院有限公司
Publication of WO2019214008A1 publication Critical patent/WO2019214008A1/zh

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    • A24F47/008—

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  • the invention relates to the technical field of aerosol generation, and in particular to an aerosol generating device.
  • Chinese Patent Publication No. CN106376975A provides an aerosol generating device and a method of using the same, the aerosol generating device comprising: a cavity having a cavity housing and a cavity receiving space formed by the cavity housing a cavity accommodating space for accommodating the medium to be heated, a filter cotton at the top of the cavity; a sealing cover disposed at the bottom of the cavity to seal the bottom of the cavity, the bottom of the sealing cover being formed
  • the air deflector is disposed under the sealing cover and has a guiding groove and a guiding hole, and the guiding hole is disposed corresponding to the through portion;
  • the heater includes a heater bottom cover and a heating ceramic piece, the heater The bottom cover is disposed under the air deflector, and the heating ceramic piece is fixed to the heater bottom cover and passes through the flow guiding hole and pierces the through portion to penetrate into the cavity receiving space.
  • the internal structure of the existing aerosol generating device is complicated, and it is urgent to provide a gas mist generating device having a simple structure.
  • the problem solved by the present invention is that the internal structure of the existing gas mist generating device is complicated.
  • an object of the present invention is to provide an aerosol generating device comprising: a tobacco rod having a casing along which a battery and a bracket are sequentially disposed, in the longitudinal direction of the tobacco rod, the bracket a control board is mounted therein, and the control board is electrically connected to the battery; along the length direction, both ends of the outer casing are respectively provided with a charging structure and a heating body, and the charging structure and the heating body respectively
  • the control board is electrically connected;
  • a switch unit is disposed on the outer casing and connected to the control board in the outer casing to trigger opening and closing of the gas mist generating device.
  • a protective pad is further disposed between the battery and the control board, and one end of the protective pad is opposite to the control board, and the other end is opposite to the battery.
  • an insulating seat is further disposed in the outer casing, the insulating seat is spaced apart from the bracket along the length direction, the heating body is disposed on the heat insulating seat, and the heating body is worn through A wire passing through the insulated seat is electrically connected to the control board.
  • control board is stuck in the bracket.
  • the bracket is fixedly connected to the outer casing by a positioning pin.
  • the outer surface of the bracket is in contact with the inner surface of the outer casing, and the portion of the bracket facing the outer casing is provided with a first positioning hole, and the corresponding position of the outer casing is provided with a second positioning hole.
  • the positioning pin is inserted into the first positioning hole and the second positioning hole.
  • the switch unit includes: a button and a button pad, the control board is provided with a contact, the bracket is provided with a through hole exposing the contact, and the button pad is disposed in the through hole And contacting the contact, the button is movably connected to the button pad for pressing the button pad in a direction toward the control board to trigger opening and closing of the aerosol generating device.
  • the charging structure is further provided with an intake passage communicating with the inner cavity of the outer casing.
  • the charging structure includes: a first conductive electrode and a second conductive electrode disposed at a same center, wherein the first conductive electrode is planar or annular, and the second conductive electrode is annular, The first conductive electrode is located inside the second conductive electrode, and the first conductive electrode and the second conductive electrode are insulated from each other.
  • an insulating ring is disposed between the first conductive electrode and the second conductive electrode.
  • the method further includes: a tube body having openings at both ends, the tube body being inserted into the outer casing, one end being connected to the outer casing, the other end being opposite to the heat insulating seat, and the pipe body is not The portion of the outer casing is suspended from the inner cavity of the outer casing, and the pipe wall of the tubular body is provided with a through hole communicating with the inner cavity of the outer casing;
  • a cigarette holder connected to the one end of the tube body for inserting an aerosol-forming substrate
  • a receiving portion for accommodating the aerosol-forming substrate one end is inserted into the cigarette holder and connected to the mouthpiece, and the other end is suspended in the tube body, and is spaced apart from the heat insulating seat, and the heating body is inserted
  • a portion of the receiving portion facing the heat insulating seat is provided with a first air inlet hole.
  • a portion of the receiving portion facing the tubular body is further provided with a second air inlet hole.
  • the method further includes: a receiving body for inserting into the aerosol-forming substrate placed on the receiving mechanism, the receiving mechanism being detachably connected to the outer casing.
  • the holding portion is engaged with the receiving mechanism.
  • the outer surface of the housing is provided with a first convex portion, and the inner surface of the holding portion is provided with a second convex portion, and the first convex portion and the second convex portion are engaged; or
  • the outer surface of the housing is provided with a convex portion, and the inner surface of the holding portion is provided with a concave portion, and the convex portion is engaged with the concave portion; or the outer surface of the housing is provided with a concave portion, the holding portion
  • the inner surface is provided with a convex portion, and the convex portion is engaged with the concave portion.
  • an outer surface of the housing is provided with an external thread
  • an inner surface of the holding portion is provided with an internal thread
  • the internal thread is connected with the external thread
  • a portion of the outer casing facing the housing is provided with a first magnet
  • a portion of the housing facing the outer casing is provided with a second magnet of opposite polarity to the first magnet.
  • a contact area of the aerosol-forming substrate with a cavity wall of the inner cavity of the receiving portion is smaller than a surface area of a cavity wall of the inner cavity of the receiving portion.
  • the contact area of the aerosol-forming substrate with the cavity wall of the inner cavity of the receiving mechanism is smaller than the surface area of the cavity wall of the inner cavity of the receiving mechanism.
  • the ratio of the contact area of the aerosol-forming substrate to the lumen wall of the lumen to the surface area of the lumen wall of the lumen is 0.1 to 0.7.
  • the cavity wall of the inner cavity is circumferentially provided with a plurality of spaced-apart grooves extending in the axial direction, the axial direction being consistent with the extending direction of the heating body.
  • At least a portion of the groove communicates with the outside along the axial direction.
  • the cavity wall of the inner cavity comprises a first portion and a second portion, wherein the first portion is for surrounding the heating body; the groove comprises a first portion a first groove on the wall of the cavity, and a second groove provided on the wall of the cavity of the second portion.
  • At least a portion of the first groove and the second groove are in one-to-one correspondence in the axial direction.
  • the width of the first groove is greater than the width of the second groove.
  • the lumen wall of the lumen comprises a first portion and a second portion, wherein the first portion is for surrounding the heating body; the inner diameter of the first portion is greater than the second portion a portion of the inner diameter, the groove being disposed on the wall of the second portion.
  • the aerosol generating device of the present invention comprises: a tobacco rod having a casing, and a battery and a bracket are sequentially disposed in the outer casing of the tobacco rod along the longitudinal direction of the tobacco rod, wherein the control panel is installed in the bracket.
  • the control board is fixed in the tobacco rod through the bracket, and the control board is electrically connected to the battery.
  • a charging structure and a heating body are respectively disposed at two ends of the outer casing of the tobacco rod along the length direction of the tobacco rod, and the charging structure and the heating body are respectively electrically connected to the control board; and further comprising: a switch unit disposed on the outer casing of the tobacco rod and The control panel connection in the housing can trigger the opening and closing of the aerosol generating device.
  • the invention provides a novel aerosol generating device, which triggers the opening of the aerosol generating device by the switch unit, the battery supplies power to the control panel, and the control panel can control the heating of the heating body to atomize the aerosol provided on the aerosol generating device.
  • a matrix is formed for the user to draw.
  • the battery in the aerosol generating device When the battery in the aerosol generating device is insufficient, the battery can be charged by the charging structure, the control panel can control the charging process of the battery, and the charging of the battery in the aerosol generating device is completed, so that the aerosol generating device can be normally operated. jobs.
  • Figure 1 is a perspective view 1 of an aerosol generating device according to an embodiment of the present invention.
  • Figure 2 is a perspective view 2 of the aerosol generating device of the embodiment of the present invention.
  • Figure 3 is an exploded perspective view of the aerosol generating device of the embodiment of the present invention.
  • Figure 4 is a perspective view of the tobacco rod in the aerosol generating device of the embodiment of the present invention.
  • Figure 5 is a cross-sectional view showing an aerosol generating device of an embodiment of the present invention.
  • Figure 6 is a perspective view of a housing portion of the aerosol generating device of the embodiment of the present invention.
  • Figure 7 is a perspective view 3 of the aerosol generating device of the embodiment of the present invention.
  • Figure 8 is a schematic view showing the assembly of the tobacco rod and the accommodating mechanism of the aerosol generating device of the embodiment of the present invention.
  • Figure 9 is a perspective view of a housing mechanism of the aerosol generating device of the embodiment of the present invention.
  • Figure 10 is a cross-sectional view showing the housing mechanism of the aerosol generating device of the embodiment of the present invention, in which the black arrow shows the flow direction of the air flow;
  • Figure 11 is a plan view showing a housing mechanism of the aerosol generating device of the embodiment of the present invention.
  • Figure 12 is a schematic view showing the connection of the housing mechanism and the aerosol-forming substrate of the aerosol generating device of the embodiment of the present invention.
  • Figure 13 is a bottom plan view of the housing mechanism of the aerosol generating device of the embodiment of the present invention.
  • Figure 14 is a perspective view of the body portion of the aerosol generating device of the embodiment of the present invention.
  • Figure 15 is a cross-sectional view showing an aerosol generating device of an embodiment of the present invention.
  • Figure 16 is a first schematic view showing the connection of the housing mechanism and the holding portion of the aerosol generating device of the embodiment of the present invention.
  • Figure 17 is a second schematic view showing the connection between the accommodating mechanism and the holding portion of the aerosol generating device of the embodiment of the present invention.
  • Fig. 18 is a third schematic view showing the connection of the accommodating mechanism and the holding portion of the gas mist generating device of the embodiment of the present invention.
  • the present invention provides an aerosol generating device 1 comprising: a tobacco rod 40 having a casing 20, with reference to Figures 3 to 5, along the length of the tobacco rod 40 ( Figure 1 and Figure
  • the battery 50 and the bracket 60 are sequentially disposed in the outer casing 20 of the tobacco rod 40, wherein the control panel 70 is mounted in the bracket 60, and the control panel 70 is fixed in the tobacco rod 40 through the bracket 60.
  • the control board 70 is electrically connected to the battery 50.
  • a charging structure 140 and a heating body 22 are respectively disposed at two ends of the outer casing 20 of the tobacco rod 40.
  • the charging structure 140 and the heating body 22 are electrically connected to the control board 70, respectively. It is provided on the outer casing 20 of the tobacco rod 40 and connected to the control panel 70 in the outer casing 20, and can trigger the opening and closing of the aerosol generating device 1.
  • the present invention provides a novel aerosol generating device 1 that triggers the opening of the aerosol generating device 1 through the switch unit 80, the battery 50 supplies power to the control panel 70, and the control panel 70 can control the heating of the heating body 22 to atomize the device.
  • the aerosol on the aerosol generating device 1 forms a substrate for the user to draw.
  • the closing of the aerosol generating device 1 is triggered by the switching unit 80, the battery 50 stops supplying power to the control board 70, and the heating body 22 stops heating.
  • the battery 50 in the aerosol generating device 1 When the battery 50 in the aerosol generating device 1 is insufficient in power, the battery 50 can be charged through the charging structure 140, and the control panel 70 can control the charging process of the battery 50 to complete charging of the battery 50 in the aerosol generating device 1. In order to enable the aerosol generating device 1 to operate normally.
  • a protective pad 130 is further disposed between the battery 50 and the control board 70. In the longitudinal direction, one end of the protective pad 130 abuts the control board 70, and the other end abuts the battery 50.
  • the protective pad 130 can prevent the battery 50 and the control board 70 from colliding to cause a short circuit, which prolongs the service life of the aerosol generating device 1.
  • the heat insulating seat 120 is disposed in the outer casing 20 of the tobacco rod 40.
  • the heat insulating seat 120 and the bracket 60 are spaced apart in the longitudinal direction, and the heating body 22 is disposed on the heat insulating seat 120.
  • the heating body 22 is electrically connected to the control board 70 through a wire 22a passing through the heat insulating seat 120.
  • the bracket 60 has a cylindrical shape, and the outer surface of the bracket 60 is attached to the inner surface of the outer casing 20 to improve the connection stability of the bracket 60 and the outer casing 20.
  • the bracket 60 is provided with a card slot 62 extending in the longitudinal direction.
  • the control board 70 is mounted on the card slot 62 in the bracket 60 to fix the control board 70.
  • the portion of the bracket 60 facing the outer casing 20 is provided with a first positioning hole, and the corresponding position of the outer casing 20 is provided with a second positioning hole, and the set position pin 83 is inserted into the first positioning hole and the second positioning hole. That is, the bracket 60 is fixedly coupled to the outer casing 20 by the positioning pin 83.
  • the control board may be mounted in the bracket by other means, and the outer surface of the bracket may not be attached to the inner surface of the outer casing as long as the bracket can be fixed to the outer casing of the tobacco rod.
  • the switch unit 80 includes a button 81 and a button pad 82.
  • the control board 70 is provided with a contact 71.
  • the bracket 60 is provided with a through hole 61 for exposing the contact 71.
  • a through hole exposing the switch unit 80 is disposed at a corresponding position on the 20, the button pad 82 is disposed on the through hole 61 and is opposite to the contact 71, and the button 81 is movably connected to the button pad 82 for the direction toward the control board 70. (shown in the M direction in Fig.
  • the button pad 82 is pressed, and the button pad 82 presses the contact 71 on the control board 70, so that the opening and closing of the aerosol generating device 1 can be triggered.
  • the switch unit 80 is not limited to triggering the opening and closing of the aerosol generating device 1, and may also control other functions of the aerosol generating device 1, for example, controlling the aerosol generating device 1 to be in the child lock mode.
  • the charging structure 140 of the present invention further includes an air inlet passage 144 communicating with the inner cavity of the outer casing 20, and the fresh air from the outside enters the aerosol generating device 1 through the air inlet passage 144, which is convenient for the user to perform. Suction operation.
  • the charging structure 140 of the present invention includes: a first conductive electrode 141 and a second conductive electrode 142 disposed at the same center, wherein the first conductive electrode 141 is planar or annular.
  • the second conductive electrode 142 is annular, the first conductive electrode 141 is located inside the second conductive electrode 142, and the first conductive electrode 141 is insulated from the second conductive electrode 142.
  • the first conductive electrode 141 and the second conductive electrode 142 are insulated.
  • An insulating ring 143 is disposed between them to avoid unnecessary electrical contact, and at the same time, it can effectively prevent the safety of the electrode from being reversed.
  • the first conductive electrode 141 and the second conductive electrode 142 are set to be the same center, in order to ensure that the aerosol generating device 1 rotates around the axis, in each radius of the circular end face, The point-to-center or circumferential distance on the two conductive electrodes remains the same.
  • charging electrodes (not shown) on the charging case are disposed facing the charging structure 140 of the aerosol generating device 1, and respectively and the first conductive electrode 141.
  • the second conductive electrode 142 is electrically connected.
  • the first conductive electrode 141 and the second conductive electrode 142 of the aerosol generating device 1 ensure normal electrical contact with the charging electrode on the charging box to ensure stable charging. It facilitates the charging of the aerosol generating device 1.
  • the gas mist generating device 1 of the present invention further includes a pipe body 90.
  • the pipe body 90 is open at both ends, and the pipe body 90 is inserted into the outer casing 20, one end is connected to the outer casing 20, and the other end is insulated.
  • the seat 120 abuts, and the portion of the tubular body 90 that is not connected to the outer casing 20 is suspended in the inner cavity of the outer casing 20.
  • the tubular body of the tubular body 90 is provided with a through hole 92 communicating with the inner cavity of the outer casing 20.
  • one end of the tubular body 90 is provided with a convex portion 93.
  • the tubular body 90 is connected to the outer casing 20 by means of riveting, and is not limited to being connected to the outer casing 20 by means of riveting, and the convex portion 93 on the tubular body 90 is The outer casing 20 abuts in the longitudinal direction.
  • the gas mist generating device 1 is further provided with a mouthpiece 100, and the mouthpiece 100 is connected to the one end of the pipe body 90 for inserting the gas mist forming substrate.
  • the mouthpiece 100 is provided with an external thread
  • the pipe body of the pipe body 90 is provided with an internal thread
  • the cigarette holder 100 and the one end of the pipe body 90 are screwed.
  • the end of the mouthpiece 100 and the tubular body 90 can be joined by other means, such as by riveting.
  • the accommodating portion 110 is further provided with a accommodating portion 110 for accommodating the aerosol-forming substrate.
  • One end of the accommodating portion 110 is inserted into the mouthpiece 100 and connected to the mouthpiece 100, and the other end is suspended in the tube body 90.
  • the heating body 22 is inserted into the housing portion 110 at a distance from the heat insulating seat 120.
  • a portion of the accommodating portion 110 facing the heat insulating seat 120 is provided with a first air inlet hole 111.
  • the black arrow in FIG. 5 shows the flow direction of the air.
  • the present invention adopts a suspended three-layer wall structure, the accommodating portion 110 is suspended in the inner cavity of the pipe body 90, the pipe body 90 is suspended in the inner cavity of the outer casing 20, and two air layers are formed between the three shell walls to effectively insulate. At the same time, the heat of the air is taken away by the air flow, so that the temperature of the outer casing 20 is greatly reduced, which effectively solves the problem of the outer casing 20 being hot.
  • the mouthpiece 100 of the present invention is connected to the accommodating portion 110, the mouthpiece 100 is connected to the tube body 90, and the accommodating portion 110 is suspended in the inner cavity of the tube body 90, after the aerosol forming substrate is placed in the accommodating portion 110, the circumference can be performed along the circumference.
  • the aerosol-forming substrate will move circumferentially relative to the heating body 22, and the separation of the heating body 22 from the aerosol-forming substrate can be achieved, which facilitates the removal of the aerosol-forming substrate.
  • the cigarette holder 100 can be separated from the tube body 90 by continuing to rotate counterclockwise for cleaning operation.
  • the portion of the receiving portion 110 facing the tubular body 90 is further provided with a second air inlet hole 112, and the fresh air of the outside is not only the first air inlet hole.
  • the 111 enters the accommodating portion 110 and is also entered into the accommodating portion 110 by the second intake hole 112.
  • the number of the first air inlet hole 111 and the second air inlet hole 112 is not limited, and the corresponding number may be selected according to requirements.
  • a row of three second intake holes 112 are provided in a portion of the accommodating portion 110 facing the tubular body 90, and eight first intake holes 111 are provided in a portion of the accommodating portion 110 facing the heat insulating seat 120.
  • the present invention also provides a housing mechanism 10 for an aerosol generating device 1, which is provided with a heating body 22 (refer to FIG. 14), which will be described later, in conjunction with FIG.
  • the heating body 22 is for inserting into the aerosol-forming substrate 30 placed on the accommodating mechanism 10, and the heated aerosol-forming substrate 30 generates an aerosol for suction.
  • the housing mechanism 10 of the present invention includes a housing 10a having a lumen 13 in the axial direction (shown in the X direction in Fig. 9), and both ends of the housing 10a are open.
  • the inner cavity 13 of the housing 10a is used to place the aerosol-forming substrate 30.
  • the inner cavity 13 of the housing 10a holds the gas.
  • the mist forms the base 30, and the outer surface of the aerosol-forming substrate 30 is in contact with the cavity wall of the inner cavity 13 of the housing 10a, and the contact area of the aerosol-forming substrate 30 with the cavity wall of the inner cavity 13 is smaller than the surface area of the cavity wall of the inner cavity 13. .
  • the ratio of the contact area of the aerosol-forming substrate 30 to the wall of the lumen 13 to the surface area of the lumen wall of the lumen 13 is 0.1 to 0.7, inclusive.
  • the surface area of the cavity wall of the inner cavity 13 refers to the surface area of the inner surface corresponding to the inner region of the inner cavity 13 into which the aerosol-forming substrate 30 is inserted.
  • the depth of the aerosol-forming substrate 30 inserted into the inner cavity 13 of the housing 10a is H
  • the surface area of the inner surface corresponding to the depth of the inner cavity 13 of the housing 10a is the inner cavity 13
  • the surface area of the chamber wall in which the contact area of the aerosol-forming substrate 30 with the chamber wall of the lumen 13 is smaller than the surface area of the chamber wall of the lumen 13. That is, the surface area of the inner surface of the portion of the inner cavity 13 of the casing 10a facing the aerosol-forming substrate 30 is larger than the contact area of the portion of the gas-forming substrate 30 with the cavity wall of the inner cavity 13.
  • the accommodating mechanism 10 corresponding to the present invention reduces the contact area of the aerosol-forming substrate 30 with the cavity wall of the inner cavity 13 of the casing 10a.
  • the heating body 22 is inserted into the aerosol-forming substrate 30 on the accommodating mechanism 10.
  • the contact area between the aerosol-forming substrate 30 and the cavity wall of the inner cavity 13 of the casing 10a is reduced, and the contact area is reduced.
  • the heat conduction effectively reduces the surface temperature of the housing mechanism 10 that houses the aerosol-forming substrate 30.
  • the chamber wall of the inner chamber 13 of the present invention is circumferentially provided with a plurality of spaced-apart grooves 12 defined by projections 12a provided on the wall of the chamber 13 of the housing 10a.
  • the cavity wall of the inner cavity 13 is provided with a plurality of spaced-apart protrusions 12a, and the adjacent protrusions 12a form the above-mentioned grooves 12, and the aerosol-forming substrate 30 is inserted into the inner cavity 13 of the casing 10a.
  • the outer surface of the aerosol-forming substrate 30 is in contact with the projection 12a in the inner cavity 13 of the housing 10a, and the projection 12a holds the aerosol-forming substrate 30.
  • the groove 12 in the inner cavity 13 extends in the axial direction (shown in the X direction in FIG. 9), and the axial direction coincides with the extending direction of the heating body 22.
  • the recess 12 in the inner chamber 13 forms an air flow path, and after the heating body 22 heats the aerosol-forming substrate 30, the user draws At the time of suction, outside air enters the aerosol generating device 1 along the airflow path to facilitate user suction, and the black arrow in Fig. 10 shows the flow of the airflow in the housing mechanism 10.
  • the outside air flows through the groove 12 through the outer surface of the aerosol-forming substrate 30, and the surface of the aerosol-forming substrate 30 can be fully utilized to achieve the purpose of preheating the air, and the heating body 22 is cooled and reheated.
  • the time is shortened and the power consumption is reduced.
  • the aerosol-forming substrate 30 is in contact with the projection 12a, reducing the contact area of the aerosol-forming substrate 30 with the cavity wall of the inner cavity 13 of the housing 10a, and the aerosol-forming substrate 30 and the inner cavity 13 of the housing 10a.
  • the purpose of reducing heat conduction is achieved, and the surface temperature of the housing mechanism 10 accommodating the aerosol-forming substrate 30 is effectively reduced.
  • the groove 12 communicates with the outside in the axial direction.
  • all the grooves 12 communicate with the outside in the axial direction. After this setting, the airflow path is smooth, which is convenient for the user to pump.
  • the lumen wall of the lumen 13 of the housing 10a includes a first portion 102 and a second portion 101, wherein the first portion 102 is for surrounding the heating body 22; referring to FIG. 13, the groove 12 includes a first groove 121 provided on the cavity wall of the first portion 102; referring to FIG. 11, the groove 12 further includes a second recess provided on the cavity wall of the second portion 101. Slot 122. At least a portion of the first groove 121 and the second groove 122 are in one-to-one correspondence in the axial direction.
  • the first groove 121 and the second groove 122 are the same in number, and the first groove 121 and the second groove 122 are in one-to-one correspondence in the axial direction; that is, in the axial direction, the first groove 121 and The second groove 122 communicates such that the air flow path is unobstructed.
  • the number of the first groove and the second groove is different, and the plurality of first grooves may correspond to one second groove, or the plurality of second grooves correspond to one first groove, as long as It is sufficient that the first groove and the second groove are in the axial direction.
  • the width of the first groove 121 (shown as a in FIG. 13) is larger than the width of the second groove 122 (shown as b in FIG. 11). ). That is, the projected area of the first groove 121 is larger than the projected area of the second groove 122 in the axial direction.
  • the widths of all the first grooves 121 are equal; or, the widths of the portions of the first grooves 121 are equal, and the widths of the portions of the first grooves 121 are not equal; or the widths of all the first grooves 121 are Not equal, as long as the width of the first groove 121 is greater than the width of the second groove 122.
  • the temperature of the first portion 102 of the cavity wall of the housing 10a is higher than the temperature of the second portion 101, and the width of the first groove 121 provided in the first portion 102 is greater than the second groove provided in the second portion 101.
  • the width of 122 is such that the contact area of the aerosol-forming substrate 30 with the first portion 102 is less than the contact area with the second portion 101, reducing heat transfer between the aerosol-forming substrate 30 and the first portion 102 of the lumen wall of the lumen 13.
  • the surface temperature of the receiving mechanism 10 corresponding to the first portion 102 of the cavity wall of the inner cavity 13 of the housing 10a is effectively reduced.
  • the widths of the first grooves 121 are equal, and the widths of the second grooves 122 are equal, which facilitates the stable circulation of the airflow in the airflow path.
  • the contact area between the aerosol-forming substrate and the cavity wall of the inner cavity of the housing is reduced, so that the aerosol forms the cavity and the cavity of the inner cavity.
  • the contact area of the wall is smaller than the surface area of the lumen wall of the lumen.
  • the lumen wall of the lumen includes a first portion and a second portion, wherein the first portion is configured to surround the heating body; the inner diameter of the first portion is greater than the inner diameter of the second portion, and the recess is disposed in the second portion Part of the cavity wall.
  • the groove is only provided on the second portion, and the first portion is not provided with the groove.
  • the groove on the second portion is formed by the aerosol formation.
  • the base body, and the cavity wall of the first portion is in clearance with the aerosol-forming substrate, which also makes the contact area of the aerosol-forming substrate with the cavity wall of the inner cavity smaller than the surface area of the cavity wall of the inner cavity.
  • the gap formed between the cavity wall of the first portion and the aerosol-forming substrate forms a gas path that communicates with the groove on the second portion, thereby also forming an air flow passage.
  • the aerosol-forming substrate may be completely out of contact with the cavity wall of the first portion, or may be partially contacted as long as the first portion is The cavity wall can be gap-fitted with the aerosol-forming substrate.
  • the housing 10a of the accommodating mechanism 10 of the present invention is a wear-resistant housing 10a, for example, a material such as fluoroplastic, nylon 1010, nylon 12, nylon 66 or the like; a cavity wall of the inner cavity 13 of the housing 10a.
  • the first part 102 is resistant to high temperatures and can be made of high temperature resistant materials such as PEEK and Teflon.
  • the present invention provides an aerosol generating device 1 having a housing 20 on which a heating body 22, a housing 10 and a mist of the aerosol generating device 1 are disposed.
  • the outer casing 20 of the rod 40 is detachably connected.
  • the casing 20 of the present invention is provided with a holding portion 21 in which the heating body 22 is located, and the accommodating mechanism 10 is inserted into the holding portion 21 and detachably connected to the holding portion 21.
  • the heating body 22 needs to be cleaned after heating the aerosol-forming substrate 30 for a long time.
  • the accommodating mechanism 10 is detached from the outer casing 20 to facilitate thorough cleaning of the heating body 22. Since the receiving mechanism 10 is detachably coupled to the outer casing 20, the receiving mechanism 10 is detached from the outer casing 20.
  • the detachable connection manner of the accommodating mechanism 10 and the outer casing 20 is not limited.
  • the holding portion 21 is engaged with the housing mechanism 10.
  • the outer surface of the housing 10a is provided with a first convex portion 11.
  • the inner surface of the holding portion 21 is provided with a second convex portion 23, and the receiving mechanism 10 is inserted into the holding portion 21 in the axial direction.
  • the first convex portion 11 and the second convex portion 23 are engaged with each other, and when the external force is not applied, the movement of the accommodation mechanism 10 in the axial direction is restricted, and the accommodation mechanism 10 is not detached from the holding portion 21.
  • a force is applied to the accommodating mechanism 10, the accommodating mechanism 10 is pulled out from the holding portion 21, and the heating body 22 is completely exposed to facilitate cleaning of the heating body 22.
  • the outer surface of the housing is provided with a convex portion
  • the inner surface of the holding portion is provided with a concave portion
  • the convex portion is engaged with the concave portion
  • the outer surface of the outer casing is provided with a concave portion, the inner surface of the holding portion A convex portion is provided, and the convex portion is engaged with the concave portion.
  • the receiving mechanism and the outer casing are otherwise snapped to achieve a detachable connection between the receiving mechanism and the outer casing.
  • a portion of the outer casing 20 facing the casing 10a is provided with a first magnet 24, and a portion of the casing 10a facing the outer casing 20 is provided with a second magnet 14 having a polarity opposite to that of the first magnet 24. That is, the portion of the casing 10a facing the outer casing 20 is provided with a magnet having a polarity opposite to that of the magnet on the outer casing 20.
  • the accommodating mechanism 10 does not detach from the holding portion 21.
  • a force is applied to the accommodating mechanism 10 to separate the first magnet 24 and the second magnet 14, thereby pulling out the accommodating mechanism 10 from the holding portion 21, and the heating body 22 is completely exposed to facilitate the heating body 22 Clean it.
  • the accommodating mechanism 10 and the outer casing 20 are detachably connected by means of magnet adsorption.
  • the outer surface of the housing 10a is provided with external threads
  • the inner surface of the retaining portion 21 is provided with internal threads
  • the internal and external threads provide for a detachable connection of the receiving mechanism 10 and the outer casing 20.
  • the accommodating mechanism 10 is screwed, the accommodating mechanism 10 is unscrewed from the holding portion 21, and the heating body 22 is completely exposed to facilitate cleaning of the heating body 22.
  • the accommodating mechanism 10 and the outer casing 20 are detachably connected by means of a screw connection.
  • the detachable connection manner of the accommodating mechanism 10 and the outer casing 20 is not limited to the above connection manner, and may be other connection manners as long as the detachable connection between the accommodating mechanism 10 and the outer casing 20 can be realized.
  • the internal structure of the accommodating portion 110 in the above embodiment may be the same as the internal structure of the accommodating mechanism 10. That is, the contact area of the aerosol-forming substrate with the cavity wall of the inner cavity of the accommodating portion 110 is smaller than the surface area of the cavity wall of the inner cavity of the accommodating portion 110, and the contact area between the aerosol-forming substrate and the cavity wall of the inner cavity of the accommodating portion 110 is The ratio of the surface area of the lumen wall of the lumen of the receptacle 110 is between 0.1 and 0.7.
  • the structure of the inner cavity of the accommodating portion 110 is the same as that of the inner cavity of the accommodating mechanism 10. For details, refer to the above description, and details are not described herein again.

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Abstract

一种气雾产生装置，包括：烟杆（40），烟杆（40）具有外壳（20），沿烟杆（40）的长度方向，外壳（20）内依次间隔设有电池（50）和支架（60），支架（60）内安装有控制板（70），控制板（70）与电池（50）电连接；沿长度方向，外壳（20）的两端分别设有充电结构（140）和加热体（22），充电结构（140）和加热体（22）分别和控制板（70）电连接；还包括开关单元（80），其设于外壳（20）上并与外壳（20）内的控制板（70）连接，能够触发气雾产生装置的开、关，该气雾产生装置结构简单。

Description

一种气雾产生装置 技术领域
本发明涉及气雾产生技术领域，具体涉及一种气雾产生装置。
背景技术
近年来，传统卷烟对健康及环境的影响问题开始逐步受到世界各国的重视。烟草生产商均致力于向消费者提供危害更低的烟草制品，低温加热不燃烧烟制品作为烟草消费的新形式，逐步受到市场的欢迎，正日益被大多数国家的卷烟消费者接受。
例如，公开号为CN106376975A的中国专利文献提供了一种气雾产生装置及其使用方法，气雾产生装置包括：空腔，具有空腔壳体以及由空腔壳体形成的空腔容置空间，空腔容置空间用于容置待加热介质，空腔顶部设有滤棉；密封盖，设于所述空腔底部以对所述空腔底部进行密封，所述密封盖的底部形成有穿设部；空气导流器，设置于密封盖的下方，具有导流槽以及导流孔，导流孔与穿设部对应设置；加热器，包括加热器底盖以及加热陶瓷片，加热器底盖设置于空气导流器的下方，加热陶瓷片固定于加热器底盖且穿过导流孔并刺穿穿设部以穿设入空腔容置空间。
现有的气雾产生装置的内部结构复杂，亟需提供结构简单的气雾产生装置。
发明内容
本发明解决的问题是现有的气雾产生装置的内部结构复杂。
为了解决上述问题，本发明的目的在于提供一种气雾产生装置，包括：烟杆，具有外壳，沿所述烟杆的长度方向，所述外壳内依次间隔设有电池和支架，所述支架内安装有控制板，所述控制板与所述电池电连接；沿所述长度方向，所述外壳的两端分别设有充电结构和加热体，所述充电结构和所述加热体分别和所述控制板电连接；开关单元，设于所述外壳上并与所述外壳内的所述控制板连接，能够触发所述气雾产生装置的开、关。
可选地，所述电池和所述控制板之间还设有防护垫，所述防护垫一端与所述控制板相抵，另一端和所述电池相抵。
可选地，所述外壳内还设有隔热座，所述隔热座与所述支架沿所述长度方向间隔设置， 所述加热体设于所述隔热座，所述加热体通过穿过所述隔热座的导线与所述控制板电连接。
可选地，所述控制板卡设于所述支架内。
可选地，所述支架通过定位销与所述外壳实现固定连接。
可选地，所述支架的外表面与所述外壳的内表面贴合，且所述支架面向所述外壳的部分设有第一定位孔，所述外壳的相应位置设有第二定位孔，定位销插设于所述第一定位孔和所述第二定位孔。
可选地，所述开关单元包括：按键和按键垫，所述控制板上设有触点，所述支架上设有暴露所述触点的通孔，所述按键垫设于所述通孔并与所述触点相抵，所述按键可活动地与所述按键垫连接，用于沿朝向所述控制板的方向按压所述按键垫，以触发所述气雾产生装置的开、关。
可选地，所述充电结构上还设有与所述外壳的内腔连通的进气通道。
可选地，所述充电结构包括：同圆心设置的第一导电电极和第二导电电极，其中，所述第一导电电极呈面状或环状，所述第二导电电极呈环状，所述第一导电电极位于所述第二导电电极的内侧，且所述第一导电电极与所述第二导电电极之间绝缘。
可选地，所述第一导电电极和所述第二导电电极之间设有绝缘环。
可选地，还包括：管体，两端开口，所述管体插设于所述外壳内，一端与所述外壳连接，另一端与所述隔热座相抵，且所述管体未与所述外壳连接的部分悬空于所述外壳的内腔，所述管体的管壁上设有与所述外壳的内腔连通的通孔；
烟嘴，与所述管体的所述一端连接，供气雾形成基体插入；
容纳部，用于容纳气雾形成基体，一端插设于所述烟嘴内并与所述烟嘴连接，另一端悬空于所述管体内，且与所述隔热座间隔设置，所述加热体插入所述容纳部内，所述容纳部面向所述隔热座的部分设有第一进气孔。
可选地，所述容纳部面向所述管体的部分还设有第二进气孔。
可选地，还包括：容纳机构，所述加热体用于插入放置在所述容纳机构上的气雾形成基体内，所述容纳机构与所述外壳可拆卸连接。
可选地，所述外壳上还设有保持部，所述加热体位于所述保持部内，所述容纳机构插设于所述保持部内且与所述保持部可拆卸连接；所述容纳机构具有壳体，所述壳体具有内腔，所述内腔用于放置所述气雾形成基体＝。
可选地，所述保持部与所述容纳机构卡接。
可选地，所述壳体的外表面设有第一凸部，所述保持部的内表面设有第二凸部，所述第一凸部和所述第二凸部卡接；或者，所述壳体的外表面设有凸部，所述保持部的内表面设有凹部，该凸部和该凹部卡接；或者，所述壳体的外表面设有凹部，所述保持部的内表面设有凸部，该凸部和该凹部卡接。
可选地，所述壳体的外表面设有外螺纹，所述保持部的内表面设有内螺纹，所述内螺纹和所述外螺纹连接。
可选地，所述外壳面向所述壳体的部分设有第一磁铁，所述壳体面向所述外壳的部分设有与所述第一磁铁极性相反的第二磁铁。
可选地，所述气雾形成基体与所述容纳部的内腔的腔壁的接触面积小于所述容纳部的内腔的腔壁的表面积。
可选地，所述气雾形成基体与所述容纳机构的内腔的腔壁的接触面积小于所述容纳机构的内腔的腔壁的表面积。
可选地，所述气雾形成基体与所述内腔的腔壁的接触面积与所述内腔的腔壁的表面积的比值为0.1至0.7。
可选地，所述内腔的腔壁沿周向设有多个间隔分布的凹槽，所述凹槽沿轴向延伸，所述轴向与所述加热体的延伸方向一致。
可选地，至少部分凹槽沿所述轴向与外界连通。
可选地，沿所述轴向，所述内腔的腔壁包括第一部分和第二部分，其中所述第一部分用于环绕所述加热体设置；所述凹槽包括设于所述第一部分的腔壁上的第一凹槽，以及设于所述第二部分的腔壁上的第二凹槽。
可选地，至少部分所述第一凹槽和所述第二凹槽在所述轴向一一对应。
可选地，沿所述周向，所述第一凹槽的宽度大于所述第二凹槽的宽度。
可选地，沿所述轴向，所述内腔的腔壁包括第一部分和第二部分，其中所述第一部分用于环绕所述加热体设置；所述第一部分的内径大于所述第二部分的内径，所述凹槽设于所述第二部分的腔壁上。
如上，本发明提供的气雾产生装置包括：烟杆，烟杆具有外壳，沿烟杆的长度方向，在烟杆的外壳内依次间隔设有电池和支架，其中，支架内安装有控制板，通过支架将控制板固定于烟杆内，控制板与电池电连接。沿烟杆的长度方向，烟杆的外壳的两端分别设有充电结构和加热体，充电结构和加热体分别和控制板电连接；还包括：开关单元，设于烟杆的外壳上并与外壳内的控制板连接，能够触发气雾产生装置的开、关。
本发明提供一种新型的气雾产生装置，通过开关单元触发气雾产生装置的开，电池给控制板供电，控制板可以控制加热体发热，以雾化设于气雾产生装置上的气雾形成基体，供用户抽吸。当用户不需要抽吸时，通过开关单元触发气雾产生装置的关，电池停止给控制板供电，加热体停止加热。
待气雾产生装置内的电池电量不足时，可以通过充电结构给电池充电，控制板可以控制电池的充电过程，已完成对气雾产生装置内的电池的充电，以使气雾产生装置能够正常工作。
为让本发明的上述内容能更明显易懂，下文特举优选实施例并结合附图详细说明。
附图说明
图1是本发明实施例气雾产生装置的立体图一；
图2是本发明实施例气雾产生装置的立体图二；
图3是本发明实施例气雾产生装置的立体分解图；
图4是本发明实施例气雾产生装置中烟杆的立体图；
图5是本发明实施例气雾产生装置的剖视图；
图6是本发明实施例气雾产生装置中容纳部的立体图；
图7是本发明实施例气雾产生装置的立体图三；
图8是本发明实施例气雾产生装置的烟杆和容纳机构的装配示意图；
图9是本发明实施例气雾产生装置的容纳机构的立体图；
图10是本发明实施例气雾产生装置的容纳机构的剖视图，图中黑色箭头示出了气流的流向；
图11是本发明实施例气雾产生装置的容纳机构的俯视图；
图12是本发明实施例气雾产生装置的容纳机构和气雾形成基体的连接示意图；
图13是本发明实施例气雾产生装置的容纳机构的仰视图；
图14是本发明实施例气雾产生装置的本体部的立体图；
图15是本发明实施例气雾产生装置的剖视图；
图16是本发明实施例气雾产生装置的容纳机构和保持部的连接示意图一；
图17是本发明实施例气雾产生装置的容纳机构和保持部的连接示意图二；
图18是本发明实施例气雾产生装置的容纳机构和保持部的连接示意图三。
具体实施方式
以下由特定的具体实施例说明本发明的实施方式，本领域技术人员可由本说明书所揭示的内容轻易地了解本发明的其他优点及功效。虽然本发明的描述将结合较佳实施例一起介绍，但这并不代表此发明的特征仅限于该实施方式。恰恰相反，结合实施方式作发明介绍的目的是为了覆盖基于本发明的权利要求而有可能延伸出的其它选择或改造。为了提供对本发明的深度了解，以下描述中将包含许多具体的细节。本发明也可以不使用这些细节实施。此外，为了避免混乱或模糊本发明的重点，有些具体细节将在描述中被省略。需要说明的是，在不冲突的情况下，本发明中的实施例及实施例中的特征可以相互组合。
参考图1和图2，本发明提供一种气雾产生装置1，包括：烟杆40，烟杆40具有外壳20，参考图3至图5，沿烟杆40的长度方向(图1和图5中Y方向所示)，在烟杆40的外壳20内依次间隔设有电池50和支架60，其中，支架60内安装有控制板70，通过支架60将控制板70固定于烟杆40内，控制板70与电池50电连接。沿烟杆40的长度方向，烟杆40的外壳20的两端分别设有充电结构140和加热体22，充电结构140和加热体22分别和控制板70电连接；还包括：开关单元80，设于烟杆40的外壳20上并与外壳20内的控制板70连接，能够触发气雾产生装置1的开、关。
从而，本发明提供一种新型的气雾产生装置1，通过开关单元80触发气雾产生装置1的开，电池50给控制板70供电，控制板70可以控制加热体22发热，以雾化设于气雾产生装置1上的气雾形成基体，供用户抽吸。当用户不需要抽吸时，通过开关单元80触发气雾产生装置1的关，电池50停止给控制板70供电，加热体22停止加热。
待气雾产生装置1内的电池50电量不足时，可以通过充电结构140给电池50充电，控制板70可以控制电池50的充电过程，以完成对气雾产生装置1内的电池50的充电，以使气雾产生装置1能够正常工作。
继续参考图3和图5，本实施例中，电池50和控制板70之间还设有防护垫130，沿长度方向，防护垫130一端与控制板70相抵，另一端和电池50相抵。防护垫130可以防止电池50和控制板70碰撞，以发生短路，延长了气雾产生装置1的使用寿命。
参考图3和图5，本实施例中，烟杆40的外壳20内还设有隔热座120，隔热座120与支架60沿长度方向间隔设置，加热体22设于隔热座120，加热体22通过穿过隔热座120的导线22a与控制板70电连接。本实施例中，参考图3和图5，支架60呈筒状，支架60的外表面与外壳20的内表面贴合，提升了支架60与外壳20的连接稳定性。支架60上设有沿长度方向延伸的卡槽62，控制板70卡设于支架60内的卡槽62上，实现对控制板 70的固定。其中，支架60面向外壳20的部分设有第一定位孔，外壳20的相应位置设有第二定位孔，在第一定位孔和第二定位孔内插设定位销83。即，支架60通过定位销83与外壳20实现固定连接。在其它实施例中，控制板可以通过其它方式安装于支架内，支架的外表面可以不与外壳的内表面贴合，只要支架能够固定于烟杆的外壳即可。
继续参考图3和图5，本实施例中，开关单元80包括：按键81和按键垫82，控制板70上设有触点71，支架60上设有暴露触点71的通孔61，外壳20上相应位置处设有暴露开关单元80的通孔，按键垫82设于通孔61并与触点71相抵，按键81可活动地与按键垫82连接，用于沿朝向控制板70的方向(图5中M方向所示)按压按键垫82，按键垫82按压控制板70上的触点71，从而可以触发气雾产生装置1的开、关。需说明的是，开关单元80不限于触发气雾产生装置1的开、关，也可以控制气雾产生装置1的其它功能，例如控制气雾产生装置1处于儿童锁模式。
参考图1和图5，本发明的充电结构140上还设有与外壳20的内腔连通的进气通道144，外界的新鲜空气通过进气通道144进入气雾产生装置1内，利于用户进行抽吸操作。此外，参考图1、图3及图5，本发明的充电结构140包括：同圆心设置的第一导电电极141和第二导电电极142，其中，第一导电电极141呈面状或环状，第二导电电极142呈环状，第一导电电极141位于第二导电电极142的内侧，且第一导电电极141与第二导电电极142之间绝缘，第一导电电极141和第二导电电极142之间设有绝缘环143，可以避免不必要的电接触，同时能够有效地防止电极接反带来安全隐患。
本实施例中，将第一导电电极141与第二导电电极142设为同圆心，是为了保证气雾产生装置1在绕轴心任意旋转的过程中，在圆形端面的每条半径上，两个导电电极上的点到中心或到圆周的距离保持不变。将气雾产生装置1放置于充电盒(图未示出)上后，充电盒上的充电电极(图未示出)面向气雾产生装置1的充电结构140设置，且分别和第一导电电极141、第二导电电极142电连接。气雾产生装置1在绕轴心任意转动的过程中，气雾产生装置1的第一导电电极141与第二导电电极142始终与充电盒上的充电电极保证正常的电接触，保证充电的稳定性，方便了气雾产生装置1的充电。
参考图3至图6，本发明的气雾产生装置1还包括：管体90，管体90两端开口，管体90插设于外壳20内，一端与外壳20连接，另一端与隔热座120相抵，且管体90未与外壳20连接的部分悬空于外壳20的内腔，管体90的管壁上设有与外壳20的内腔连通的通孔92。本实施例中，管体90的一端设有凸部93，管体90通过铆压的方式与外壳20连接，不限于通过铆压的方式与外壳20连接，管体90上的凸部93与外壳20在长度方向相 抵。此外，气雾产生装置1上还设有烟嘴100，烟嘴100与管体90的所述一端连接，供气雾形成基体插入。本实施例中，烟嘴100上设有外螺纹，管体90的管壁上设有内螺纹，烟嘴100和管体90的所述一端螺纹连接。在其它实施例中，烟嘴100和管体90的所述一端可以通过其它方式实现连接，例如铆压的方式。
在气雾产生装置1上还设有容纳部110，容纳部110用于容纳气雾形成基体，容纳部110一端插设于烟嘴100内并与烟嘴100连接，另一端悬空于管体90内，且与隔热座120间隔设置，加热体22插入容纳部110内。参考图6，容纳部110面向隔热座120的部分设有第一进气孔111。图5中黑色箭头示出了空气的流向，在容纳部110内插设气雾形成基体后，用户进行抽吸动作时，外界新鲜的空气通过进气通道144进入外壳20的内腔，依次通过管体90上的通孔92、容纳部110与隔热座120之间的区域、第一进气孔111、容纳部110，并随着气雾形成基体雾化后的气雾流向用户口腔。
也即，本发明采用悬挂式三层壁空结构，容纳部110悬空于管体90内腔，管体90悬空于外壳20内腔，三层壳壁之间形成两层空气层，有效隔热的同时，通过空气流动带走散逸的热量，使得外壳20温度大幅降低，将有效的解决外壳20发烫的问题。
同时，由于本发明的烟嘴100和容纳部110连接，烟嘴100与管体90连接，容纳部110悬空于管体90的内腔，那么在容纳部110内放置气雾形成基体后，可以沿周向逆时针旋动一下烟嘴100，气雾形成基体会相对加热体22产生周向运动，可实现加热体22与气雾形成基体的分离，利于将气雾形成基体取出。需要彻底清洁时，继续逆时针旋转即可使烟嘴100与管体90分离，以进行清洁操作。
此外，参考图6，为了进一步保证抽吸过程中，进气的顺畅性，容纳部110面向管体90的部分还设有第二进气孔112，外界的新鲜空气不仅由第一进气孔111进入容纳部110内，还由第二进气孔112进入容纳部110内。需说明的是，第一进气孔111和第二进气孔112的数量不做限制，可根据需要选择相应的数量。图6中示出了在容纳部110面向管体90的部分设有一排三个第二进气孔112，容纳部110面向隔热座120的部分设有八个第一进气孔111。
参考图7至图9，本发明还提供一种用于气雾产生装置1的容纳机构10，气雾产生装置1设有后述的加热体22(参考图14)，结合图11所示，加热体22用于插入放置在容纳机构10上的气雾形成基体30内，加热气雾形成基体30产生气雾供抽吸。本发明的容纳机构10包括：壳体10a，壳体10a具有内腔13，沿轴向(图9中X方向所示)，壳体10a的两端开口。
参考图10和图11，壳体10a的内腔13用于放置气雾形成基体30，气雾形成基体30放置于壳体10a的内腔13中后，壳体10a的内腔13夹持气雾形成基体30，气雾形成基体30的外表面与壳体10a的内腔13的腔壁接触，气雾形成基体30与内腔13的腔壁的接触面积小于内腔13的腔壁的表面积。本实施例中，气雾形成基体30与内腔13的腔壁的接触面积与内腔13的腔壁的表面积的比值为0.1至0.7，包括0.1和0.7。
其中，内腔13的腔壁的表面积指的是气雾形成基体30插入壳体10a的内腔13的这一区域内所对应的内表面的表面积。例如，参考图12，气雾形成基体30插入壳体10a的内腔13的深度为H，那么，壳体10a的内腔13的这一深度所对应的内表面的表面积即为内腔13的腔壁的表面积，在这一区域内，气雾形成基体30与内腔13的腔壁的接触面积小于内腔13的腔壁的表面积。也即，壳体10a的内腔13的腔壁面向气雾形成基体30的部分的内表面的表面积大于气雾形成基体30与内腔13的腔壁的这一部分的接触面积。
相当于本发明的容纳机构10减小了气雾形成基体30与壳体10a的内腔13的腔壁的接触面积。加热体22插入容纳机构10上的气雾形成基体30内，对气雾形成基体30加热时，气雾形成基体30与壳体10a的内腔13的腔壁的接触面积减小后，减少了热量传导，有效降低了容纳气雾形成基体30的容纳机构10的表面温度。
继续参考图9和图10，本发明的内腔13的腔壁沿周向设有多个间隔分布的凹槽12，凹槽12由设于壳体10a的内腔13的腔壁上的凸起12a形成，沿周向，内腔13的腔壁设有多个间隔分布的凸起12a，相邻的凸起12a形成上述凹槽12，气雾形成基体30插入壳体10a的内腔13中后，气雾形成基体30的外表面与壳体10a的内腔13中的凸起12a相接触，凸起12a夹持气雾形成基体30。
其中，内腔13中的凹槽12沿轴向(图9中X方向所示)延伸，轴向与加热体22的延伸方向一致。参考图10和图11，气雾形成基体30与内腔13中的凸起12a接触后，内腔13中的凹槽12形成气流通路，当加热体22加热气雾形成基体30后，用户抽吸时，外界空气沿着气流通路进入气雾产生装置1内，以利于用户抽吸，图10中黑色箭头示出了容纳机构10内的气流流向。
用户抽吸过程中，外界空气经凹槽12流过气雾形成基体30的外表面，可充分利用气雾形成基体30表面溢散热量，达到预热空气的目的，加热体22冷却再重新加热的时间缩短，降低了功耗。同时，气雾形成基体30与凸起12a相接触，减小了气雾形成基体30与壳体10a的内腔13的腔壁的接触面积，气雾形成基体30与壳体10a的内腔13的腔壁的接触面积减小后，达到了减少热传导的目的，有效降低了容纳气雾形成基体30的容纳机构1 0的表面温度。
此外，本发明中，至少部分凹槽12沿轴向与外界连通，本实施例中，参考图10，所有的凹槽12沿轴向与外界连通。这样设置后，气流通路通畅，利于用户抽吸。
继续参考图9和图10，沿轴向(图10中X方向所示)，壳体10a的内腔13的腔壁包括第一部分102和第二部分101，其中第一部分102用于环绕加热体22设置；参考图13，凹槽12包括设于第一部分102的腔壁上的第一凹槽121；参考图11，凹槽12还包括设于第二部分101的腔壁上的第二凹槽122。至少部分第一凹槽121和第二凹槽122在轴向一一对应。
本实施例中，第一凹槽121和第二凹槽122的数量相同，第一凹槽121和第二凹槽122在轴向一一对应；即，在轴向，第一凹槽121和第二凹槽122连通，使得气流通路通畅。在其它实施例中，第一凹槽和第二凹槽的数量不相同，可以是多个第一凹槽对应一个第二凹槽，或者多个第二凹槽对应一个第一凹槽，只要满足第一凹槽和第二凹槽在轴向连通即可。
本发明中，沿周向(图11和图13中T方向所示)，第一凹槽121的宽度(图13中a所示)大于第二凹槽122的宽度(图11中b所示)。也即，沿轴向，第一凹槽121的投影面积大于第二凹槽122的投影面积。其中，可以是所有的第一凹槽121的宽度相等；或者，部分第一凹槽121的宽度相等，部分第一凹槽121的宽度不等；或者，所有的第一凹槽121的宽度均不相等，只要满足第一凹槽121的宽度大于第二凹槽122的宽度即可。这样设置后，由于第一部分102是环绕加热体22设置，壳体10a的这一区域的温度相比于其余部分的温度高。
可以理解为，壳体10a的腔壁的第一部分102的温度比第二部分101的温度高，设于第一部分102的第一凹槽121的宽度大于设于第二部分101的第二凹槽122的宽度，使得气雾形成基体30与第一部分102的接触面积小于与第二部分101的接触面积，减少了气雾形成基体30与内腔13的腔壁的第一部分102之间的热量传导，有效降低了壳体10a的内腔13的腔壁的第一部分102所对应的容纳机构10的表面温度。
本实施例中，各第一凹槽121的宽度相等，各第二凹槽122的宽度相等，这利于气流通路中气流的稳定流通。
相当于，本实施例中，通过设置第一凹槽和第二凹槽，减小了气雾形成基体与壳体的内腔的腔壁的接触面积，使得气雾形成基体与内腔的腔壁的接触面积小于内腔的腔壁的表面积。在其它实施例中，沿轴向，内腔的腔壁包括第一部分和第二部分，其中第一部分用 于环绕加热体设置；第一部分的内径大于第二部分的内径，凹槽设于第二部分的腔壁上。相当于其它实施例中，仅在第二部分上设置凹槽，第一部分不设置凹槽，在气雾形成基体插入壳体的内腔中后，第二部分上的凹槽夹持气雾形成基体，而第一部分的腔壁与气雾形成基体间隙配合，这也使得气雾形成基体与内腔的腔壁的接触面积小于内腔的腔壁的表面积。
其中，第一部分的腔壁与气雾形成基体之间形成的间隙形成气路，该间隙与第二部分上的凹槽连通，从而也形成了气流通道。需说明的是，在其它实施例中，气雾形成基体插入壳体的内腔后，气雾形成基体可以是与第一部分的腔壁完全不接触，也可以是部分接触，只要是第一部分的腔壁与气雾形成基体间隙配合即可。
需说明的是，本发明的容纳机构10的壳体10a为耐磨壳体10a，例如可以采用氟塑料、尼龙1010、尼龙12、尼龙66等材料；壳体10a的内腔13的腔壁的第一部分102耐高温，可采用PEEK、铁氟龙等耐高温材料。
参考图7、图14和图15，本发明提供一种气雾产生装置1，气雾产生装置1具有外壳20，外壳20上设有加热体22，容纳机构10与气雾产生装置1的烟杆40的外壳20可拆卸连接。具体而言，本发明的外壳20上设有保持部21，加热体22位于保持部21内，容纳机构10插设于保持部21内且与保持部21可拆卸连接。加热体22长时间加热气雾形成基体30后需要清洁，在清洁时，将容纳机构10从外壳20上拆卸下来，便于对加热体22全面清洁。由于容纳机构10与外壳20可拆卸连接，方便容纳机构10从外壳20上拆卸下来。
需说明的是，容纳机构10与外壳20的可拆卸连接方式不做限制。例如，参考图15和图16，保持部21与容纳机构10卡接。参考图9，壳体10a的外表面设有第一凸部11，参考图14，保持部21的内表面设有第二凸部23，容纳机构10沿轴向插设于保持部21内后，第一凸部11和第二凸部23卡接，在无外力作用时，容纳机构10在轴向的运动受到限制，容纳机构10不会从保持部21上脱离。当需要清洁时，向容纳机构10施加作用力，将容纳机构10从保持部21拔出，加热体22完全被暴露，以利于对加热体22进行清洁。
在其它实施例中，壳体的外表面设有凸部，保持部的内表面设有凹部，该凸部和该凹部卡接；或者，壳体的外表面设有凹部，保持部的内表面设有凸部，该凸部和该凹部卡接。或者，容纳机构和外壳采用其它卡接方式，以实现容纳机构和外壳的可拆卸连接。
参考图17并结合图7所示，外壳20面向壳体10a的部分设有第一磁铁24，壳体10a面向外壳20的部分设有与第一磁铁24极性相反的第二磁铁14。即，壳体10a面向外壳20的部分设有与外壳20上的磁铁极性相反的磁铁。容纳机构10沿轴向插设于保持部21内 后极性相反的第一磁铁24和第二磁铁14吸附在一起，在无外力作用时，第一磁铁24和第二磁铁14不会分离，容纳机构10不会从保持部21上脱离。当需要清洁时，向容纳机构10施加作用力，使得第一磁铁24和第二磁铁14分离，从而将容纳机构10从保持部21拔出，加热体22完全被暴露，以利于对加热体22进行清洁。相当于，容纳机构10和外壳20通过磁铁吸附的方式实现可拆卸连接。
参考图18并结合图7所示，壳体10a的外表面设有外螺纹，保持部21的内表面设有内螺纹，内螺纹和外螺纹连接实现容纳机构10和外壳20的可拆卸连接。当需要清洁时，旋拧容纳机构10，将容纳机构10从保持部21拧出，加热体22完全被暴露，以利于对加热体22进行清洁。相当于，容纳机构10和外壳20通过螺纹连接的方式实现可拆卸连接。
需说明的是，容纳机构10和外壳20的可拆卸连接方式不限于上述连接方式，还可以是其它连接方式，只要能够实现容纳机构10和外壳20的可拆卸连接即可。
此外，上述实施例中的容纳部110的内部结构可以和容纳机构10的内部结构相同。即，气雾形成基体与容纳部110的内腔的腔壁的接触面积小于容纳部110的内腔的腔壁的表面积，气雾形成基体与容纳部110的内腔的腔壁的接触面积与容纳部110的内腔的腔壁的表面积的比值为0.1至0.7。容纳部110的内腔的结构和容纳机构10的内腔的结构相同，具体可参见上文所述，在此不再赘述。
综上所述，本发明提供的上述实施例仅例示性说明本发明的原理及其功效，而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下，对上述实施例进行修饰或改变。因此，举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变，仍应由本发明的权利要求所涵盖。

Claims (27)

  1. 一种气雾产生装置，其特征在于，包括：
    烟杆，具有外壳，沿所述烟杆的长度方向，所述外壳内依次间隔设有电池和支架，所述支架内安装有控制板，所述控制板与所述电池电连接；
    沿所述长度方向，所述外壳的两端分别设有充电结构和加热体，所述充电结构和所述加热体分别和所述控制板电连接；
    开关单元，设于所述外壳上并与所述外壳内的所述控制板连接，能够触发所述气雾产生装置的开、关。
  2. 如权利要求1所述的气雾产生装置，其特征在于，所述电池和所述控制板之间还设有防护垫，所述防护垫一端与所述控制板相抵，另一端和所述电池相抵。
  3. 如权利要求1所述的气雾产生装置，其特征在于，所述外壳内还设有隔热座，所述隔热座与所述支架沿所述长度方向间隔设置，所述加热体设于所述隔热座，所述加热体通过穿过所述隔热座的导线与所述控制板电连接。
  4. 如权利要求1所述的气雾产生装置，其特征在于，所述控制板卡设于所述支架内。
  5. 如权利要求1所述的气雾产生装置，其特征在于，所述支架通过定位销与所述外壳实现固定连接。
  6. 如权利要求1或5所述的气雾产生装置，其特征在于，所述支架的外表面与所述外壳的内表面贴合，且所述支架面向所述外壳的部分设有第一定位孔，所述外壳的相应位置设有第二定位孔，定位销插设于所述第一定位孔和所述第二定位孔。
  7. 如权利要求1所述的气雾产生装置，其特征在于，所述开关单元包括：按键和按键垫，所述控制板上设有触点，所述支架上设有暴露所述触点的通孔，所述按键垫设于所 述通孔并与所述触点相抵，所述按键可活动地与所述按键垫连接，用于沿朝向所述控制板的方向按压所述按键垫，以触发所述气雾产生装置的开、关。
  8. 如权利要求1或3所述的气雾产生装置，其特征在于，所述充电结构上还设有与所述外壳的内腔连通的进气通道。
  9. 如权利要求1所述的气雾产生装置，其特征在于，所述充电结构包括：同圆心设置的第一导电电极和第二导电电极，其中，所述第一导电电极呈面状或环状，所述第二导电电极呈环状，所述第一导电电极位于所述第二导电电极的内侧，且所述第一导电电极与所述第二导电电极之间绝缘。
  10. 如权利要求9所述的气雾产生装置，其特征在于，所述第一导电电极和所述第二导电电极之间设有绝缘环。
  11. 如权利要求3所述的气雾产生装置，其特征在于，还包括：
    管体，两端开口，所述管体插设于所述外壳内，一端与所述外壳连接，另一端与所述隔热座相抵，且所述管体未与所述外壳连接的部分悬空于所述外壳的内腔，所述管体的管壁上设有与所述外壳的内腔连通的通孔；
    烟嘴，与所述管体的所述一端连接，供气雾形成基体插入；
    容纳部，用于容纳气雾形成基体，一端插设于所述烟嘴内并与所述烟嘴连接，另一端悬空于所述管体内，且与所述隔热座间隔设置，所述加热体插入所述容纳部内，所述容纳部面向所述隔热座的部分设有第一进气孔。
  12. 如权利要求11所述的气雾产生装置，其特征在于，所述容纳部面向所述管体的部分还设有第二进气孔。
  13. 如权利要求1所述的气雾产生装置，其特征在于，还包括：容纳机构，所述加热 体用于插入放置在所述容纳机构上的气雾形成基体内，所述容纳机构与所述外壳可拆卸连接。
  14. 如权利要求13所述的气雾产生装置，其特征在于，所述外壳上还设有保持部，所述加热体位于所述保持部内，所述容纳机构插设于所述保持部内且与所述保持部可拆卸连接；
    所述容纳机构具有壳体，所述壳体具有内腔，所述内腔用于放置所述气雾形成基体。
  15. 如权利要求14所述的气雾产生装置，其特征在于，所述保持部与所述容纳机构卡接。
  16. 如权利要求15所述的气雾产生装置，其特征在于，所述壳体的外表面设有第一凸部，所述保持部的内表面设有第二凸部，所述第一凸部和所述第二凸部卡接；或者，所述壳体的外表面设有凸部，所述保持部的内表面设有凹部，该凸部和该凹部卡接；或者，所述壳体的外表面设有凹部，所述保持部的内表面设有凸部，该凸部和该凹部卡接。
  17. 如权利要求14所述的气雾产生装置，其特征在于，所述壳体的外表面设有外螺纹，所述保持部的内表面设有内螺纹，所述内螺纹和所述外螺纹连接。
  18. 如权利要求14所述的气雾产生装置，其特征在于，所述外壳面向所述壳体的部分设有第一磁铁，所述壳体面向所述外壳的部分设有与所述第一磁铁极性相反的第二磁铁。
  19. 如权利要求11所述的气雾产生装置，其特征在于，所述气雾形成基体与所述容纳部的内腔的腔壁的接触面积小于所述容纳部的内腔的腔壁的表面积。
  20. 如权利要求13所述的气雾产生装置，其特征在于，所述气雾形成基体与所述容纳机构的内腔的腔壁的接触面积小于所述容纳机构的内腔的腔壁的表面积。
  21. 如权利要求19或20所述的气雾产生装置，其特征在于，所述气雾形成基体与所述内腔的腔壁的接触面积与所述内腔的腔壁的表面积的比值为0.1至0.7。
  22. 如权利要求19或20所述的气雾产生装置，其特征在于，所述内腔的腔壁沿周向设有多个间隔分布的凹槽，所述凹槽沿轴向延伸，所述轴向与所述加热体的延伸方向一致。
  23. 如权利要求22所述的气雾产生装置，其特征在于，至少部分凹槽沿所述轴向与外界连通。
  24. 如权利要求22所述的气雾产生装置，其特征在于，沿所述轴向，所述内腔的腔壁包括第一部分和第二部分，其中所述第一部分用于环绕所述加热体设置；
    所述凹槽包括设于所述第一部分的腔壁上的第一凹槽，以及设于所述第二部分的腔壁上的第二凹槽。
  25. 如权利要求24所述的气雾产生装置，其特征在于，至少部分所述第一凹槽和所述第二凹槽在所述轴向一一对应。
  26. 如权利要求24所述的气雾产生装置，其特征在于，沿所述周向，所述第一凹槽的宽度大于所述第二凹槽的宽度。
  27. 如权利要求22所述的气雾产生装置，其特征在于，沿所述轴向，所述内腔的腔壁包括第一部分和第二部分，其中所述第一部分用于环绕所述加热体设置；所述第一部分的内径大于所述第二部分的内径，所述凹槽设于所述第二部分的腔壁上。
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