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WO2023065593A1 - Dispositif d'atomisation de cigarette électronique et cigarette électronique - Google Patents

Dispositif d'atomisation de cigarette électronique et cigarette électronique Download PDF

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Publication number
WO2023065593A1
WO2023065593A1 PCT/CN2022/081997 CN2022081997W WO2023065593A1 WO 2023065593 A1 WO2023065593 A1 WO 2023065593A1 CN 2022081997 W CN2022081997 W CN 2022081997W WO 2023065593 A1 WO2023065593 A1 WO 2023065593A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
electronic cigarette
atomization
air guide
chamber
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/CN2022/081997
Other languages
English (en)
Chinese (zh)
Inventor
唐建国
金奇斌
侯贵平
阳小龙
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.)
BYD Precision Manufacturing Co Ltd
Original Assignee
BYD Precision Manufacturing 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 BYD Precision Manufacturing Co Ltd filed Critical BYD Precision Manufacturing Co Ltd
Publication of WO2023065593A1 publication Critical patent/WO2023065593A1/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
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures

Definitions

  • the present application relates to the technical field of electronic cigarettes, and more specifically, the present application relates to an electronic cigarette generating device and electronic cigarettes.
  • E-cigarette products use the method of atomizing e-liquid to provide users with smoke that can be smoked.
  • electronic cigarette products In order to facilitate users to carry and use electronic cigarettes, electronic cigarette products must have a compact and small shape design, and when smoking electronic cigarettes, electronic cigarette products must have a good amount of smoke and ensure that the oil does not leak out.
  • One purpose of the present application is to provide an electronic cigarette device and a new technology solution for electronic cigarettes.
  • Vaping devices include:
  • a housing and a lower cover the housing has an open end, the lower cover and the opening end of the housing form an accommodating space, the housing is provided with a liquid storage cavity, and the housing is provided with an air outlet channel, so The lower cover is provided with an air intake channel;
  • An atomization assembly the atomization assembly is arranged in the accommodating space, a chamber is formed between the atomization assembly and the lower cover, and the chamber communicates with the air outlet channel and the air intake channel respectively, the The liquid storage chamber is located on the side of the atomization assembly away from the chamber;
  • An air guide the air guide is arranged on the lower cover, and an air flow hole is opened on the air guide, and the air intake channel communicates with the atomization assembly through the air flow hole.
  • the air guiding member divides the chamber into an atomization chamber facing the atomization assembly and an air flow chamber facing the air intake channel, and the atomization chamber and The air outlet channel is in communication, and the air flow chamber is in communication with the air intake channel.
  • the air intake passage includes a vent hole provided on the bottom surface of the lower cover and a tubular protrusion formed on the bottom surface facing the atomization assembly, the tubular protrusion has a pipe side Wall and top plate, the top plate has an air inlet;
  • the atomization assembly includes a porous body and a heating element, the porous body has an atomizing surface and a liquid absorption surface, and the heating element is arranged on the atomizing noodle;
  • At least two airflow holes are opened on the air guide, and the airflow holes and the air inlet are at least partially staggered in the extending direction from the atomizing surface to the liquid absorption surface.
  • the air guiding element has a block structure, and two airflow holes are opened on the air guiding element.
  • the diameter of the airflow hole is larger than the diameter of the air inlet.
  • the aperture range of the airflow hole is 1.3-1.5mm; the aperture range of the air inlet is 0.3mm-1.2mm.
  • the airflow hole forms an air guide channel inside the air guide member, the air guide channel runs through the air guide member, and the two ends of the air guide channel are respectively connected to the atomization chamber and the air flow chamber In communication, the air guide channel is a straight line, arc or bend structure.
  • the air guiding channel is a linear channel passing through the air guiding member along the extending direction from the atomizing surface to the liquid absorbing surface.
  • the air inlet along the extending direction from the atomizing surface to the liquid absorbing surface, the air inlet has a first central axis, and the airflow hole has a second central axis;
  • the shortest distance between the first central axis and the second central axis ranges from 0.3 mm to 1.9 mm.
  • the distance between the centers of the two airflow holes is in the range of 0.5mm-3.5mm.
  • the air guiding member has a first surface opposite to the atomization assembly, and at least a part of the first surface is concave to form a depression.
  • the air guiding member has an opening surface close to the atomization assembly; the bottom surface of the recessed portion is lower than the opening surface, and the airflow hole is opened on the opening surface and penetrates through the opening surface.
  • a plurality of recesses are formed on the first surface, and a blocking wall is provided between adjacent recesses.
  • the lower cover is provided with a positioning part
  • the air guide is formed with a fixing part
  • the positioning part is fitted with the fixing part so that the air guide is arranged on the the lower cover.
  • a card slot is formed on the fixing part of the air guide, and the card slot includes a notch and a rib formed on the notch;
  • the positioning part is a positioning post, and the positioning post is clamped in the notch, and the rib abuts against the outer surface of the positioning post.
  • the air guide is a rubber component.
  • the thickness of the air guiding element ranges from 1 mm to 3 mm.
  • the electronic cigarette device includes an upper cover disposed in the housing,
  • the upper cover has a liquid injection through hole communicating with the liquid storage chamber and the liquid suction surface, and the upper cover also has an air outlet through hole communicating with both the air inlet channel and the air outlet channel.
  • the vaping device further includes a first sealing element disposed in the casing, the first sealing element is sleeved on the outer periphery of the upper cover, and the first sealing element The outer edge of the housing abuts against the inner wall of the housing to enclose and form the liquid storage chamber.
  • the atomization assembly includes a second sealing element disposed in the casing, the second sealing element is sleeved on the outer periphery of the porous body, and the outer surface of the second sealing element The edge abuts against the inner wall of the upper cover.
  • the electronic atomization device further includes a conductive nail, a positioning hole is opened on the lower cover, and the conductive nail passes through the positioning hole and is electrically connected to the heating element.
  • the vaping device further includes an oil absorbing element disposed in the lower cover, and the oil absorbing element is disposed around the outer periphery of the air intake channel.
  • an electronic cigarette includes the electronic cigarette generating device described in the first aspect.
  • an electronic cigarette generating device in the embodiment of the present application, includes a casing, a lower cover, an atomizing component and an air guide.
  • the air guide is arranged in the lower cover, and the air inlet channel and the atomization assembly are communicated through the airflow holes on the air guide. That is, the gas entering from the outside enters the chamber through the air inlet passage and the airflow hole in sequence, and then the gas entering from the outside mixes with the atomized smoke and flows to the outlet passage.
  • FIG. 1 is a schematic diagram of the structure of an electronic cigarette atomizing device according to an embodiment of the present application.
  • FIG. 2 is an exploded view of the structure of the electronic cigarette device according to the embodiment of the present application.
  • FIG. 3 is a schematic diagram of the structure of the lower cover of the embodiment of the present application.
  • FIG. 4 is a cross-sectional view showing the structure of the lower cover of the embodiment of the present application.
  • FIG. 5 is a first schematic diagram of the structure of the air guide in the embodiment of the present application.
  • FIG. 6 is a schematic diagram of the second structure of the electronic cigarette device according to the embodiment of the present application.
  • FIG. 7 is a schematic diagram of the second structure of the air guide in the embodiment of the present application.
  • Atomization component 31. Atomization surface; 32. Liquid absorption surface; 33. Second sealing element;
  • the first aspect of the embodiments of the present application provides an electronic cigarette generating device.
  • the electronic cigarette device includes:
  • housing 1 and lower cover 2 the housing 1 has an open end, the lower cover 2 is covered on the opening end of the housing 1 to form an accommodation space, the housing 1 has a liquid storage chamber 11, the housing The body is provided with an air outlet passage 12, and the lower cover 2 is provided with an air inlet passage 20;
  • the atomization assembly 3 is arranged in the accommodating space, and the space between the atomization assembly 3 and the lower cover 2 forms a chamber 4, and the chamber 4 is respectively connected to the air outlet channel 12 Communicating with the air intake passage 20, the liquid storage chamber 11 is located on the side of the atomization assembly 3 away from the chamber 4;
  • An air guide 21, the air guide 21 is arranged on the lower cover 2, and an air flow hole 211 is opened on the air guide 21, and the air intake channel 20 communicates with the atomizer through the air flow hole 211 Component 3 is connected.
  • the electronic cigarette atomizing device mainly includes a housing 1 , a lower cover 2 , an atomizing component 3 and an air guide 21 .
  • the housing 1 has a liquid storage chamber 11, and the housing 1 is provided with an air outlet channel 12.
  • the liquid storage cavity 11 is used for storing liquid matrix.
  • the air outlet channel 12 can transmit the smoke formed by heating and atomizing by the heating component, so as to be inhaled by the human body.
  • the casing 1 has two opposite ends, one of which has an air outlet communicating with the outside world, wherein the air outlet communicates with the air outlet passage 12;
  • a lower cover 2 is provided on the housing 1 , that is, the lower cover 2 is set on the housing 1 . Wherein at least a part of the lower cover 2 can be plugged inside the housing 1 , or at least a part of the lower cover 2 can be sleeved outside the housing 1 , which is not limited here.
  • the atomization assembly 3 is arranged in the accommodation space, and the chamber 4 is located between the atomization assembly 3 and the lower cover 2 , for example, the atomization assembly 3 and the lower cover 2 enclose the chamber 4 .
  • the chamber 4 communicates with the inlet channel 20 and the outlet channel 12
  • the sensor of the electronic cigarette When the user puffs, the sensor of the electronic cigarette is triggered to drive the atomization component 3 to start heating, and the liquid in the liquid storage chamber 11, such as e-liquid, is conducted to the atomization component, which is then heated and atomized to form smoke.
  • the ambient air enters the chamber 4 through the air intake channel 20 , then mixes with the smoke through the airflow hole 211 , and is exported through the air outlet channel 12 for inhalation by the user.
  • the embodiment of the present application improves the internal structure of the electronic cigarette device. Specifically, the present application strives to improve the structure of the lower cover 2 inside the electronic cigarette device.
  • the air guide 21 is arranged on the lower cover 2 , so the air guide 21 is located in the cavity 4 formed between the atomization assembly 3 and the lower cover 2 .
  • the air guide 21 is arranged on the lower cover 2 , for example, the air guide 21 and the lower cover 2 are integrally formed, or the air guide 21 and the lower cover 2 are detachably connected.
  • the air guide 21 is arranged on the lower cover 2, so the space between the air guide 21 and the atomization assembly 3 is used for atomizing the smoke.
  • the space of the atomization chamber is reduced. volume.
  • the gas entering from the outside enters the chamber through the air inlet passage 20 and the airflow hole 211 , and flows toward the outlet passage 12 with the atomized smoke. Since the chamber for atomizing the smoke is reduced in this embodiment, the gas entering from the outside mixes with the atomized smoke and flows toward the gas outlet channel 12 .
  • the air guide 21 divides the chamber 4 into an atomization chamber 41 facing the atomization assembly 3 and an atomization chamber 41 facing the air inlet channel.
  • the air flow cavity 42 on one side of the atomization cavity 41 communicates with the air outlet channel 12 , and the air flow cavity 42 communicates with the air intake channel 20 .
  • the volume of the atomization chamber has a great influence on the amount of smoke and condensate generated, and the distribution of airflow.
  • the amount of smoke generated, condensate and Airflow is also very important to the user's suction experience.
  • the air inlet of the electronic cigarette product is usually directly opposite to the atomizing surface of the atomizing core.
  • the gas entering from the outside can only flow to the center of the atomization surface and mix with the smoke generated by the heating element located in the center, while the smoke generated in the area far away from the center of the atomization surface is difficult to mix with the outside world.
  • the gas is mixed, so that the gas entering from the outside cannot mix evenly with the smoke generated by the atomization surface, and the smoke is prone to be too thick or too light, and the user experience is poor.
  • the mixed gas in the electronic vaping device of the prior art, after the gas entering from the outside is mixed with the atomized smoke, due to the large volume in the atomization chamber, the mixed gas "scrambles" in the atomization chamber (the mixed gas turbulent flow phenomenon), that is, the mixed gas cannot enter the outlet channel in time to be sucked by the user. Because the mixed gas cannot enter the outlet channel in time, the mixed gas will produce too much condensate. On the one hand, the user will inhale the smoke with condensate; on the other hand, the excessive condensate will pass through the inlet Air channel leaks, affecting user experience.
  • the mixed gas turbulent flow phenomenon the mixed gas turbulent flow phenomenon
  • the chamber 4 is divided into an atomization chamber 41 and an airflow chamber 42 by the air guide 21 .
  • the atomization chamber 41 is located above the air flow chamber 42 along the axial direction of the electronic cigarette atomizing device.
  • the atomizing chamber 41 communicates with the air outlet channel 12
  • the airflow chamber 42 communicates with the air inlet channel 20 .
  • the axial direction of the electronic atomization device may be the same as the extending direction from the liquid absorption surface to the atomization surface of the atomization assembly 3 in FIG. 2 .
  • the chamber 4 is divided into an atomization chamber 41 and an airflow chamber 42 by the air guide 21 . Therefore, the atomization chamber 41 and the airflow chamber 42 are arranged at intervals through the air guide 21 .
  • the volume of the atomization chamber 41 is smaller than that of the chamber 4 .
  • the space between the atomization assembly 3 and the air guide 21 forms an atomization cavity 41 .
  • the liquid substrate in the liquid storage chamber 11 is heated and atomized in the atomization surface 31 to form mist, and the mist exists in the atomization chamber 41 . Therefore, the atomizing chamber 41 plays the role of atomizing the liquid substrate.
  • the gas entering from the outside is mixed with the smoke in the atomization chamber 41. Since the volume of the atomization chamber 41 is smaller than the volume of the chamber 4, the flow space of the mixed gas is limited, and the gas entering from the outside can take away the smoke existing in the atomization chamber in time.
  • the smoke in the cavity 41 enters the air outlet channel 12 and is inhaled by the user.
  • the gas entering from the outside can take away the smoke existing in the atomization chamber 41 and enter the air outlet channel 12 in time, reducing the probability of condensate generated by the mixed gas in the atomization chamber 41 .
  • the mixed gas produces a small amount of condensate in the atomization chamber 41, a small amount of condensate will drip on the air guide 21, preventing the condensate from dripping onto the smoke rod structure through the air intake channel 20, thereby improving the the user experience.
  • An airflow hole 211 is opened on the air guide 21.
  • the gas entering from the outside enters the airflow chamber 42 through the air inlet passage 20, enters the airflow hole 211 from the airflow chamber 42, and then enters the atomization chamber 41 and mixes with the smoke. After the mixed gas The smoke flows to the air outlet channel 12, and is finally inhaled by the user through the air outlet channel 12.
  • the gas entering from the outside enters the airflow chamber 42 through the air inlet channel 20, and the gas is moderated in the airflow chamber 42 to prevent the gas entering from the outside from flowing directly to the atomizing surface, and also avoid the high pressure of the gas entering from the outside, and the gas directly impacting the fog
  • the atomized surface will cause damage to the structure of the atomized surface.
  • the atomization component 3 includes a porous body.
  • the porous body includes an atomizing surface 31 and a liquid absorbing surface 32 .
  • the liquid absorbing surface 32 communicates with the liquid storage chamber 11 for contacting and absorbing the liquid in the liquid storage chamber 11 .
  • the atomizing surface 31 communicates with the air intake channel 20 , specifically, the atomizing surface 31 is disposed opposite to the air guide 21 , and an atomizing chamber 41 is formed between them.
  • the liquid substrate in the liquid storage chamber 11 is heated and atomized in the atomization surface 31 to form mist, and the mist exists in the atomization chamber 41 . Therefore, the atomizing chamber 41 plays the role of atomizing the liquid substrate.
  • the embodiment of the present application reduces the volume of the chamber 4 used for atomization, and the mixed gas flows in the smaller-volume atomization chamber 41, so that the mixed gas can flow toward the gas outlet channel 12, and the outside world The entering gas can take away the smoke existing in the atomizing chamber 41 in time and enter the outlet channel 12 , reducing the probability of condensate generated by the mixed gas in the atomizing chamber 41 .
  • the air intake channel 20 includes a vent hole 202 provided on the bottom surface of the lower cover 2 and a hole formed on the bottom surface facing the atomization assembly 3 .
  • Tubular protrusion the tubular protrusion has a pipe side wall and a top end plate, the top end plate has an air inlet 201;
  • the atomization assembly 3 includes a porous body and a heating element, and the porous body has an atomization surface 31 and a liquid-absorbing surface 32, the heating element is arranged on the atomizing surface 31;
  • the air guide 21 is provided with at least two air holes 211 , and the air holes 211 and the air inlet 201 are at least partially staggered in the extending direction from the atomizing surface 31 to the liquid absorbing surface 32 .
  • a tubular protrusion is formed on the bottom surface of the lower cover 2, and the tubular protrusion includes a side wall and a top end plate connected to the side wall.
  • An air inlet 201 is opened on the top plate of the tubular protrusion.
  • the air intake channel 20 includes a vent hole 202 and an air inlet 201 which communicate with each other, wherein the radial dimension of the vent hole 202 is larger than the radial dimension of the air inlet 201 .
  • the airflow holes 211 and the air inlet 201 are at least partially staggered. That is, the projection surface of the airflow hole 211 in the axial direction of the air inlet 201 is at least partially offset from the projection surface of the air inlet 201 in the axial direction of the air inlet 201 .
  • the air inlet 201 and the airflow hole 211 can be completely or partially staggered. Referring to FIG. 2 , the air inlet 201 and the air hole 211 are completely staggered in the extending direction from the atomizing surface 31 to the liquid absorbing surface 32 . Referring to FIG. 7 , the air inlet 201 and the airflow hole 211 are partially staggered.
  • the gas flowing out from the air inlet 201 of the air intake channel 20 generally flows to the side of the air intake channel 20 and then flows into the air hole 211 . That is, the outside air flows to the air intake channel 20 along the first direction, and the gas flowing out from the air intake port 201 of the air intake channel 20 is deflected or bent in the air flow cavity 42 and passes through the air flow hole 211 along the second direction. And diffuse to the atomization chamber 41, so that the gas and the smoke in the atomization chamber 41 are more fully mixed.
  • the air guiding element 21 has a block structure, and two airflow holes 211 are opened on the air guiding element 21 .
  • the air guide 21 since the air guide 21 has a block structure, after the air guide 21 is arranged on the lower cover 2, the air guide 21 occupies too much space in the chamber 4, further reducing the volume of the atomization chamber 41, It is easier for the gas entering from the outside to flow to the gas outlet channel 12 after mixing with the atomized smoke.
  • two airflow holes 211 are opened on the air guide 21 , and the two airflow holes 211 are arranged in a staggered manner with the air inlet 201 .
  • the gas flowing out from the air inlet 201 of the air inlet passage 20 respectively flows to the two airflow holes 211 , and the two airflow holes realize the guiding and splitting of the gas entering from the outside.
  • the diameter of the airflow hole 211 is larger than the diameter of the air inlet 201 .
  • the aperture range of the airflow hole 211 is: 1.3-1.5mm; according to the embodiment of the application, the aperture diameter of the airflow hole 211 can be 1.4mm, 1.45mm, of course, the aperture diameter of the airflow hole 211 can be 1.3mm, 1.5mm.
  • the aperture range of the air inlet 201 is: 0.3mm-1.2mm. According to the embodiment of the present application, the aperture range of the air inlet 201 may be 0.5mm, 1mm, 0.8mm. Of course, the aperture range of the air inlet 201 may be 0.3mm or 1.2mm.
  • an airflow hole 211 is provided on the air guide 21.
  • the apertures of the airflow hole 211 and the air inlet 201 are limited so that the airflow hole 211 The aperture is larger than the aperture of the air inlet 201 .
  • the outside air flows out from the air inlet 201 and enters the airflow chamber 42, and then enters the atomization chamber through the airflow hole 211. On the one hand, the flow direction of the outside air is changed.
  • the smoke and the mixed gas are mixed evenly, it is beneficial to flow toward the air outlet channel;
  • the gas is relaxed in the gas flow chamber, and when the gas passes through the gas flow hole, the pressure of the gas is reduced to a certain extent, so as to avoid other direct impact on the atomization surface due to excessive pressure.
  • the aperture of the air inlet 201 is further limited.
  • the aperture of the air inlet 201 is too large, the user's suction feeling is not strong, which cannot satisfy the pleasure of pumping; It takes more effort when pumping, and the user experience is not good. Limiting the diameter of the air inlet 201 within this range improves the user's experience when inhaling.
  • This embodiment further limits the aperture of the airflow hole 211.
  • the aperture of the airflow hole 211 is too large, the user's suction feeling is not strong and cannot satisfy the pleasure of pumping; if the aperture of the airflow hole 211 is too small, the guiding The diversion effect is not good, and the smoke and gas are not mixed uniformly. Limiting the diameter of the airflow hole 211 within this range improves the user's experience when inhaling.
  • the airflow hole 211 forms an air guide channel inside the air guide member 21, the air guide channel runs through the air guide member 21, and the two ends of the air guide channel are connected to the atomization chamber and the air flow chamber respectively.
  • the air guide channel is a straight line, arc or bend structure.
  • the air guide channel can be bent once in the air guide member 21, and the air flow hole 211 has an inverted "Z" structure;
  • the direction of the air guide channel can also be bent multiple times in the air guide member 21, and the air flow hole 211 has a stepped structure.
  • the air guide channel liquid can also be in a curved structure, or arc or straight, as long as a through-hole structure is formed on the air guide member 21 and communicated with the atomization chamber and the air flow chamber.
  • the air guiding channel is a linear channel penetrating through the air guiding member 21 along the extending direction from the atomizing surface 31 to the liquid absorbing surface 32 . That is, the extending direction of the air guide channel is the same as the extending direction from the atomizing surface 31 to the liquid absorbing surface 32 .
  • the air inlet 201 has a first central axis in the axial direction of the electronic cigarette device, and the airflow hole 211 is in the
  • the aerosolization device has a second central axis in the axial direction;
  • the shortest distance between the first central axis and the second central axis ranges from 0.3 mm to 1.9 mm.
  • the axial direction of the electronic atomization device may be the same as the extending direction from the liquid absorption surface to the atomization surface of the atomization assembly 3 in FIG. 2 .
  • the shortest distance between the first central axis and the second central axis may be 0.5mm, 1mm, 1.5mm.
  • the distance between the first central axis of the air inlet 201 and the second central axis of the airflow hole 211 is limited, that is, when the air inlet 201 and the airflow hole 211 are staggered, the air inlet 201 and the airflow hole 211 are staggered.
  • the offset distance of the airflow hole 211 is limited.
  • the stagger distance between the air inlet 201 and the airflow hole 211 is too large, and when the air inlet 201 flows to the airflow hole 211, the gas is likely to collide with the lower surface of the air guide 21, thereby generating noise and affecting user experience.
  • the stagger distance between the air inlet 201 and the gas flow hole 211 is too small, and the gas flow splitting effect of the gas flow hole 211 is not good.
  • the staggered distance between the air inlet 201 and the airflow hole 211 is limited within this range, which improves the splitting effect of the gas and enhances user experience while avoiding noise.
  • the distance between the centers of the two airflow holes 211 ranges from 0.5 mm to 3.5 mm. According to the embodiment of the present application, the distance between the centers of the two airflow holes 211 ranges from 2 mm to 2.5 mm.
  • the two airflow holes 211 are opened on the air guide 21 .
  • the two airflow holes 211 include a first airflow hole and a second airflow hole.
  • the projection surface of the first airflow hole along the axial direction of the air inlet 201 and the projection surface of the second airflow hole along the axial direction of the air inlet 201 are respectively located on two sides of the air inlet 201 .
  • the projection plane of the first airflow hole is located on the left side of the air inlet 201 .
  • the projection plane of the second airflow hole is located on the right side of the air inlet 201 .
  • the outside air flows into the air intake channel 20 along the first direction (along the axial direction of the air intake port 201), and the gas flowing out from the air intake port 201 of the air intake channel 20 is deflected to the left in the air flow chamber 42 and flows in.
  • the first airflow hole diffuses into the atomization chamber 41, so that the gas and the smoke in the atomization chamber 41 are more fully mixed; the other flows out from the air inlet 201 of the air inlet channel 20 and deflects to the right in the airflow chamber 42.
  • the gas enters the second air hole and diffuses into the atomizing chamber 41, so that the gas and the smoke in the atomizing chamber 41 are more fully mixed.
  • the gas flowing out from the air inlet 201 of the air inlet channel 20 diffuses to the atomization chamber 41 through the first airflow hole and the second airflow hole respectively, and the gas entering from the outside can take away the smoke existing in the atomization chamber 41 in time.
  • the gas outlet channel 12 reduces the probability of condensate generated by the mixed gas in the atomization chamber 41 and reduces the generation of condensate.
  • the distance between the centers of the first airflow hole and the second airflow hole is limited.
  • the distance between the centers of the first airflow hole and the second airflow hole is too large, and when the air inlet 201 flows to the first airflow hole and the second airflow hole respectively, the gas is likely to collide with the lower surface of the air guide 21, thereby generating noise. affect the user experience.
  • the distance between the centers of the first air hole and the second air hole is too small, and the effect of gas splitting through the first air hole and the second air hole is not good.
  • the center-to-center distance between the first air hole and the second air hole is limited within this range, which improves the splitting effect of gas and enhances user experience while avoiding noise.
  • the air guiding member 21 has a first surface opposite to the atomization assembly 3 , and at least part of the depression on the first surface forms a concave portion 212 .
  • the first surface of the air guiding element 21 is opposite to the atomization assembly 3 . Specifically, the first surface of the air guiding element 21 is opposite to the atomizing surface 31 .
  • the outside air entering the atomization chamber 41 mixes with the atomized smoke, it will condense to form condensate when encountering components with a lower temperature.
  • the formed condensate drips into the recessed portion 212 , preventing the condensate from flowing directly to the cigarette rod structure through the air intake channel 20 , thereby improving the user experience.
  • the leaked e-liquid can directly drop into the recessed part 212, and the recessed part 212 can store the leaked e-liquid, so as to prevent the e-liquid from directly flowing through the air intake channel 20 to the structure of the cigarette rod. Improved user experience. In addition, the condensate or smoke oil is prevented from adhering to the inner wall of the intake passage 20 .
  • an oil absorbing element 7 is provided on the lower cover 2 of the electronic cigarette vaporizing device.
  • the e-liquid leaked from the electronic cigarette device will first drop onto the recessed part 212, and only when the recessed part 212 stores excess e-liquid, the leaked e-liquid will drop through the air guide 21 Fall onto the oil-absorbing element 7.
  • the air guide 21 has an opening surface 2111 close to the atomization assembly 3; the bottom surface of the recessed part 212 is lower than the opening surface 2111, and the airflow hole 211 is opened on the opening surface 2111 and run through the air guide 21.
  • the airflow hole 211 has an opening surface 2111 close to the atomization assembly 3 .
  • an airflow hole 211 is provided on the air guide 21, and the airflow hole 211 is a through-hole structure.
  • the air guide 21 has an opening surface 2111 close to the atomizing surface 31 and an opening surface close to the bottom surface of the lower cover 2 .
  • the plane where the opening surface 2111 of the air guide 21 close to the atomizing surface 31 is located is the first plane.
  • the concave portion 212 has a bottom surface, and the plane of the bottom surface of the concave portion 212 is a second plane, wherein the first plane is set higher than the second plane. That is, the opening surface 2111 of the airflow hole 211 protrudes from the bottom surface of the concave portion 212 .
  • the opening surface 2111 protrudes from the bottom surface of the recessed portion 212 , the e-liquid or condensate stored in the recessed portion 212 will not enter the airflow hole 211 , avoiding the clogging phenomenon caused by multiple airflow holes 211 .
  • a plurality of recesses 212 are formed on the first surface, and a blocking wall 213 is provided between adjacent recesses 212 .
  • a plurality of recessed portions 212 are formed on the first surface of the air guide 21 , and blocking walls 213 are provided between adjacent recessed portions 212 .
  • the depressions 212 are arranged in grids, and each depression 212 can store condensate or e-liquid.
  • a blocking wall 213 is provided between adjacent recessed portions 212 to improve the structural strength of the air guide 21 .
  • the lower cover 2 is provided with a positioning portion, and the air guide 21 is formed with a fixing portion, and the positioning portion and the fixing portion are fitted together so that the The air guide 21 is disposed on the lower cover 2 .
  • a positioning portion is provided in the lower cover 2 , and the positioning portion is fixed in the lower cover 2 .
  • a fixing portion is formed on the air guide 21 .
  • the interference fit between the air guide 21 and the lower cover 2 is realized through the cooperation of the positioning part and the locking groove 214 , and the sealing between the atomization chamber 41 and the airflow chamber 42 is improved.
  • the detachable connection between the air guide 21 and the lower cover 2 is realized, so that the user can disassemble the air guide 21 from the lower cover 2 for cleaning or cleaning the air guide 21. replace.
  • the locking groove 214 is formed on the fixed portion of the air guide 21 , and the locking groove 214 includes a notch 2141 and a protrusion formed at the edge of the notch 2141 .
  • Rib 2142 the positioning portion is a positioning column 22 , the positioning column 22 is clamped in the notch 2141 , and the convex rib 2142 abuts against the outer surface of the positioning column 22 .
  • a locking groove 214 is formed on the outer peripheral surface of the air guiding element 21 , and the positioning post 22 is locked in the locking groove 214 so that the air guiding element 21 is arranged in the lower cover 2 .
  • the locking groove 214 includes a notch 2141 formed on the outer peripheral surface of the air guide 21 , and a rib 2142 formed on the notch 2141 .
  • the convex rib 2142 abuts against the outer surface of the positioning column, which improves the connection strength between the air guide 21 and the lower cover 2 .
  • the lower cover 2 has an inner cavity.
  • ribs 2142 are provided on both sides of the inner cavity.
  • two positioning posts 22 are arranged on the left side of the inner cavity, and the two positioning posts 22 are arranged at intervals along the second direction of the inner cavity.
  • Two positioning posts 22 are arranged on the right side of the inner cavity, and the two positioning posts 22 are arranged at intervals along the second direction of the inner cavity.
  • the first direction is the length direction of the lower cover 2
  • the second direction is the width direction of the lower cover 2 .
  • Notches 2141 are respectively formed on the left side and the right side of the air guide 21 .
  • the two positioning parts on the left side of the cavity are embedded in the notch part 2141 .
  • the two positioning posts 22 on the right side of the cavity are embedded in the notch 2141 .
  • three ribs 2142 are provided on the notch 2141, and the three ribs 2142 include a first rib and a second rib located on the edge of the notch 2141, and a rib located in the middle of the notch 2141.
  • the third rib wherein the first rib and the third rib abut against the outer surface of one of the positioning columns, and the second rib and the third rib abut against the outer surface of the other positioning part.
  • the air guiding element 21 is a rubber component.
  • the material of the air guide 21 in this embodiment is rubber material.
  • the air guide 21 is made of soft rubber material.
  • the thickness of the air guiding element 21 ranges from 1 mm to 3 mm. In this embodiment, the thickness of the air guide is limited so that the air guide 21 is disposed in the lower cover 2 , and the air guide 21 can occupy too much space in the chamber 4 , thereby further reducing the volume of the atomizing chamber 41 .
  • the air guiding element 21 is a metal plate structure.
  • the material of the air guide 21 is metal, which facilitates the formation of smaller and denser air holes 211 on the air guide 21 .
  • a plurality of airflow holes 211 are formed on the air guiding member 21 by stamping.
  • a plurality of airflow holes 211 are opened on the air guide member 21, and the plurality of air flow holes 211 are arranged in an array on the air guide member. 21 on.
  • an air guide 21 is provided on the lower cover 2 , and the air guide 21 is located in the chamber 4 formed between the atomization assembly 3 and the lower cover 2 .
  • the plurality of airflow holes 211 on the air guiding element 21 serve to evenly disperse the airflow.
  • the aperture diameter of the airflow hole 211 is smaller than the aperture diameter of the air inlet 201 .
  • the diameter of the airflow holes 211 ranges from 0.25 mm to 0.65 mm.
  • the diameter of the airflow hole 211 may be 0.4mm, 0.5mm or 0.6mm, obviously, the diameter of the airflow hole 211 may be 0.25mm or 0.65mm.
  • the aperture range of the air inlet 201 is: 0.7mm-1.1mm.
  • the aperture of the air inlet 201 can be 0.8mm or 0.9mm.
  • the aperture of the air inlet 201 is also Can be 0.7mm or 1.1mm.
  • a plurality of airflow holes 211 are provided on the air guide 21, and the apertures of the airflow holes 211 and the air inlet 201 are further limited so that the apertures of the airflow holes 211 are smaller than the apertures of the air inlet 201, so that in Dense and small airflow holes 211 are formed on the air guide 21 , so that the gas is evenly dispersed through the dense and small airflow holes 211 .
  • This embodiment further limits the aperture of the air inlet.
  • the aperture of the air inlet is too large, the user will not have a strong suction feeling and cannot satisfy the pleasure of pumping; if the aperture of the air inlet is too small, the user will not It is more laborious and the user experience is not good. Limiting the aperture of the air inlet within this range improves the user's experience when inhaling.
  • the aperture spacing of the airflow holes 211 is further limited, so that the air guide 21 has a mesh structure, so that the strength of the airflow of the external air will not be too concentrated, the airflow will be evenly distributed, and the airflow will be smooth and soft. , when used for suction, it will greatly reduce the noise of air flow and improve user experience. It should be noted that the aperture sizes of the plurality of airflow holes 211 may be the same or different.
  • the aperture spacing of the airflow holes 211 is too small, when the gas in the chamber below the air guide 21 flows out through the airflow holes 211 , the gas pressure will increase, which is not conducive to noise reduction. If the aperture spacing of the airflow holes 211 is too large, the multiple airflow holes cannot disperse the gas, and the gas flowing out of the airflow holes 211 cannot mix evenly with the atomized smoke, which may easily cause the smoke to taste too strong or too weak.
  • the electronic cigarette atomization device further includes an upper cover 5 disposed in the housing 1, the atomization component 3 includes a porous body, and the porous body It has an atomizing surface 31 and a liquid absorbing surface 32;
  • the upper cover 5 has a liquid injection through hole 52 that communicates with the liquid storage chamber 11 and the liquid suction surface 32 , and the upper cover 5 also has a through hole that communicates with the air inlet channel 20 and the air outlet channel 12 . Air outlet through hole 53.
  • the working principle of the electronic atomization device is: the liquid matrix stored in the liquid storage chamber 11 continuously penetrates into the porous body through the liquid injection hole 52 of the upper cover 5 In the liquid-absorbing surface 32, the liquid-absorbing surface 32 of the porous body absorbs the liquid substrate for the atomization surface 31 to heat the liquid substrate to generate smoke; when the user uses the electronic cigarette device to inhale, the internal sensor is triggered, thereby emitting The signal drives the porous body to start heating, and the liquid substrate is heated and atomized in the atomization chamber 41.
  • the external airflow enters the airflow chamber 42 through the air inlet channel 20 of the lower cover 2, and diffuses from the airflow chamber 42 through the airflow hole 211 to the atomization chamber.
  • chamber 41 the gas that diffuses into the atomization chamber 41 takes away the smoke in the atomization chamber 41, then passes through the air outlet hole 53 of the upper cover 5 and the air outlet channel 12 in the housing 1, and then enters the user from the suction port. in the mouth.
  • the electronic cigarette device further includes a first sealing element 51 disposed in the casing 1, and the first sealing element 51 is sleeved on the The outer periphery of the upper cover 5 , and the outer edge of the first sealing element 51 abuts against the inner wall of the housing 1 to enclose and form the liquid storage chamber 11 .
  • the first sealing element 51 isolates the outside world from the liquid storage chamber 11 in the housing 1, and the setting of the first sealing element 51 is used to provide the necessary sealing inside the electronic cigarette device, avoiding the existence of the liquid storage chamber 11. Unnecessary conduction can effectively avoid oil leakage. More specifically, the first sealing element 51 is provided with a first communication hole for conducting the liquid storage chamber 11 and the liquid injection through hole 52, and for conducting the air outlet passage 12 of the housing 1 and the air outlet passage hole of the upper bracket. The second communication hole of 53 facilitates the circulation of gas and e-liquid.
  • support ribs are arranged inside the casing 1 .
  • the supporting ribs can extend along the length direction of the housing 1 .
  • the supporting ribs and the lower cover 2 respectively form limit abutting against the atomization assembly from the upper and lower sides of the atomization assembly.
  • the supporting rib and the lower cover 2 respectively form limiting contact with the second sealing element 33 from the upper and lower sides of the second sealing element 33 . In this way, the atomization component can be positioned reliably and stably. There is no need to arrange other related structures for fixing the atomizing core between the housing 1 and the lower cover 2, which simplifies the internal structure of the electronic cigarette.
  • the atomization assembly 3 further includes a second sealing element 33 disposed in the housing 1, and the second sealing element 33 is sleeved on the The outer periphery of the porous body, and the outer edge of the second sealing element 33 abuts against the inner wall of the upper cover 5 .
  • the second sealing element 33 fills the gap between the upper cover 5 and the porous body, which can provide the necessary sealing inside the vaping device, avoid unnecessary conduction, and effectively avoid oil leakage.
  • the vaping device further includes a third sealing element 23 disposed in the casing 1, the third sealing element 23 is sleeved on the outer periphery of the lower cover 2, and the The outer edge of the third sealing element 23 abuts against the inner wall of the housing 1 .
  • the arrangement of the third sealing element 23 can isolate the lower part of the housing 1 from the outside air, further preventing the leakage of the liquid matrix.
  • the atomization assembly 3 includes a heating element.
  • the heating element is arranged on the atomizing surface 31 of the porous body.
  • the vaping device further includes a conductive nail 6, and a positioning hole is opened on the lower cover 2, and the conductive nail 6 passes through the positioning hole and is electrically connected with the heating element.
  • the conductive nail 6 passes through the lower cover 2 and abuts against the heating element to connect the circuit, thereby heating the heating element with electricity.
  • the lower cover 2 is provided with two installation holes for installing conductive nails 6 , and one conductive nail 6 is installed in each installation hole.
  • the electronic cigarette vaporization device further includes an oil absorbing element 7 arranged in the lower cover 2 , and the oil absorbing element 7 is arranged around the air intake channel 20 the periphery.
  • the setting of the oil absorbing element 7 can absorb the condensate produced by the uneven cooling and heating of the wall when atomizing in the cavity; 20 is higher than the holding tank as a whole, which can prevent the liquid substrate from leaking through the inlet channel 20 .
  • the vape device includes a protection part 121 .
  • An air outlet is provided on the side of the air outlet channel 12 away from the atomization assembly. The user takes a breath through the air outlet.
  • the protection part 121 is embedded in the air outlet to protect the air outlet channel 12 and prevent impurities such as dust from entering the air outlet channel 12 .
  • an electronic cigarette includes the electronic cigarette generating device described in the first aspect.
  • the electronic cigarette also includes electrical components that are electrically connected to the heating body, and the electrical components are configured to supply power to the heating body.
  • the electronic cigarette atomization device atomizes liquid substrates such as e-liquid to generate smoke, and the gas in the atomization chamber 41 and the smoke generated by heating and atomizing the heating element can be exported through the gas outlet channel 12 after mixing.
  • the liquid base can be e-liquid such as e-liquid, and the e-liquid can be atomized by an electronic cigarette device to generate smoke.

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  • Electrostatic Spraying Apparatus (AREA)

Abstract

Un dispositif d'atomisation de cigarette électronique et une cigarette électronique sont divulgués dans la présente invention. Le dispositif d'atomisation de cigarette électronique comprend : une coque et un couvercle inférieur, la coque étant pourvue d'une extrémité ouverte, le couvercle inférieur recouvrant l'extrémité ouverte de la coque pour former un espace de réception, une cavité de stockage de e-liquide étant formée dans la coque, un canal de sortie d'air étant formé dans la coque, et un canal d'entrée d'air étant formé dans le couvercle inférieur ; un ensemble d'atomisation disposé dans l'espace de réception, une cavité étant formée entre l'ensemble d'atomisation et le couvercle inférieur, la cavité étant en communication avec le canal de sortie d'air et le canal d'entrée d'air, et la cavité de stockage de e-liquide étant située sur le côté de l'ensemble d'atomisation à l'opposé de la cavité ; et un guide d'air disposé sur le couvercle inférieur, un trou d'écoulement d'air étant formé dans le guide d'air, et le canal d'entrée d'air étant en communication avec l'ensemble d'atomisation au moyen du trou d'écoulement d'air.
PCT/CN2022/081997 2021-10-20 2022-03-21 Dispositif d'atomisation de cigarette électronique et cigarette électronique Ceased WO2023065593A1 (fr)

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CN202111221447.8A CN115989902A (zh) 2021-10-20 2021-10-20 电子烟雾化装置以及电子烟

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