EP3666092A1 - Dispositif d'atomisation et procédé d'assemblage de dispositif d'atomisation - Google Patents

Dispositif d'atomisation et procédé d'assemblage de dispositif d'atomisation Download PDF

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Publication number
EP3666092A1
EP3666092A1 EP19214699.1A EP19214699A EP3666092A1 EP 3666092 A1 EP3666092 A1 EP 3666092A1 EP 19214699 A EP19214699 A EP 19214699A EP 3666092 A1 EP3666092 A1 EP 3666092A1
Authority
EP
European Patent Office
Prior art keywords
shell
wall
atomization device
holder
heating assembly
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.)
Granted
Application number
EP19214699.1A
Other languages
German (de)
English (en)
Other versions
EP3666092B1 (fr
Inventor
Xingfu Zhang
Yancheng LIAO
Baolin XIE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Smoore Technology Ltd
Original Assignee
Shenzhen Smoore Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Smoore Technology Ltd filed Critical Shenzhen Smoore Technology Ltd
Publication of EP3666092A1 publication Critical patent/EP3666092A1/fr
Application granted granted Critical
Publication of EP3666092B1 publication Critical patent/EP3666092B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A24F40/40—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
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • the present disclosure relates to the field of electronic atomization devices, and in particular to an atomization device and a method for assembling an atomization device.
  • an atomization device for low-temperature flue curing is available in the market to bake smoke-producing substances, such as tobacco, to generate smoke.
  • the atomization device available in the related art may have a heating assembly, fixedly arranged inside the atomization device. After being used for a long period of time, a large amount of solid oxides may be formed on a surface of the heating assembly, reducing a heating efficiency of the heating assembly and damaging the heating assembly. When a damaged heating assembly is required to be detached for maintenance, a large number of components need to be detached, and a procedure for detaching is complicated, wasting time.
  • An atomization device and a method for assembling an atomization device may be provided to solve the above-mentioned technical problems.
  • an atomization device includes: a body portion, a cover, and a protective holder.
  • the body portion may include a shell and a heating assembly.
  • the heating assembly may be connected to the shell in a detachable manner and is arranged to heat a tobacco product, such that an ingredient of the tobacco product may be volatilized.
  • the protective holder is slidably connected to the shell along a first direction and is arranged to sleeve the heating assembly to cover an outside of the heating assembly.
  • the cover arranged to slidably sleeve an outer side of an end of the shell connected with the heating assembly.
  • the protective holder includes a holder body and a guide plate connected with the holder body, the holder body is arranged to surround the heating assembly, and the guide plate is slidably connected with the shell.
  • the shell defines a guide groove along the first direction, and the guild plate is engaged with the guide groove to allow the holder body to slide relative to the shell.
  • two guide grooves are defined on two opposing sides of the shell, and two faces of the holder body contacting the shell are arranged to abut against the two opposing sides of the shell.
  • Two guide plates are arranged, each of the two guide plates comprises a guide portion and a connection portion.
  • the connection portion is parallel with the two opposing sides of the shell.
  • the guide portion is arranged to extend from a side of the connection portion away from the holder body, wherein two guide portions of the two guide plates are arranged to extend towards each other.
  • a first engaging portion is arranged to protrude from a side wall of the guide groove; a second engaging portion is arranged to extend from the side of the connection portion away from the holder body, such that two second engaging portions are arranged on two connection portions and extend towards each other; the second engaging portion and the guide portion are spaced apart from each other to define a first engaging recess between the second engaging portion and the guide portion; and the first engaging portion is engaged into the first engaging recess to connect the protective holder with the shell.
  • a side of the holder body close to the heating assembly is arranged with a third engaging portion, the shell defines a second engaging recess in correspondence with the third engaging portion, and the third engaging portion is engaged with the second engaging recess, such that the protective holder is connected with the shell.
  • the cover includes a case defining a chamber and a channel wall defining a channel, the channel wall is received in the chamber, the case defines a smoke outlet, the channel wall is connected with a periphery of the smoke outlet, and a tobacco product is received in the channel.
  • the heating assembly includes a heating body and a heating member, the heating body is received in the chamber of the case, and the heating member is exposed to an outside of the case.
  • the case includes an outer case and an inner case; the smoke outlet is defined in the outer case; an end wall of the inner case defines a relief hole corresponding to the channel wall; an end of the channel wall connected to the periphery of the smoke outlet is arranged with a first hook, protruding from an outer surface of the channel wall and extending away from the channel; the channel wall is inserted into the relief hole, and the first hook is arranged between the end wall of the inner case and an end wall of the outer case, such that the channel wall is connected to the case.
  • the end of the channel wall connected to the periphery of the smoke outlet is further arranged with a second hook, protruding from the outer surface of the channel wall and extending away from the channel; the second hook and the first hook are spaced apart from each other; and the end wall of the inner case is arranged between the first hook and the second hook.
  • the outer surface of the end of the channel wall connected to the periphery of the smoke outlet and a side wall of the relief hole is arranged with a positioning block and defines a positioning recess, respectively, and the positioning block is able to be engaged with the positioning recess.
  • a side wall of the smoke outlet is arranged with a protrusion to abut against the tobacco product, such that a gap is defined between a periphery of the tobacco product and the side wall of the smoke outlet;
  • the channel wall defines a vent at the end connected to the periphery of the smoke outlet, such that air is able to flow from the smoke outlet through the vent to reach an outer side of the channel wall; and the vent is defined by the outer surface of the end of the channel wall connected to the periphery of the smoke outlet recessing inwardly.
  • a wall of the protective holder away from the heating body is arranged to abut against the case.
  • an abutting portion is arranged to protrude from the outer surface of the channel wall and abut against an inner wall of the protective holder.
  • the heating assembly further includes a clamping portion, the clamping portion is arranged to protrude from the heating member to fix the heating member; and the atomization device further includes a bottom board, arranged on a side of the protective holder close to the heating body, and the bottom board defines a receiving recess to receive the clamping portion.
  • a method for assembling the atomization device may be provided.
  • the atomization device may include a body portion, a cover, and a protective holder.
  • the body portion may include a shell and a heating assembly.
  • the method for assembling the atomization device may include: assembling the heating assembly with the shell along a first direction; assembling the protective holder with the shell along the first direction to allow the heating assembly to be surrounded by the protective holder; and assembling the cover to the shell along the first direction to cover an outer side of an end of the shell connected with the protective holder.
  • the shell defines a guide groove along a first direction, and a first engaging portion is arranged to protrude from a side wall of the guide groove; the protective holder is arranged with a guide plate, and the guide plate defines a first engaging recess.
  • the assembling the protective holder with the shell along the first direction includes: aligning the guide plate with the guide groove; moving the protective holder from a side of the shell away from the heating assembly towards another side of the shell close to the heating assembly; and engaging the guide plate with the guide groove in a slidable manner by engaging the first engaging portion into the first engaging recess.
  • the present disclosure provides an atomization device 100, including a body portion 10, a cover 20, and a protective holder 30.
  • the body portion 10 may include a shell 11, a power assembly 12, and a heating assembly 14.
  • the power assembly 12 may be arranged inside the shell 11 and to supply power to the heating assembly 14.
  • the heating assembly 14 may be connected to the shell 11 in a detachable manner and may heat a tobacco product 50, such that an ingredient of the tobacco product 50 may be heated and volatilized.
  • the protective holder 30 may be slidably connected to the shell 11 along a first direction and arranged to sleeve an outer side of the heating assembly 14 for protecting the heating assembly.
  • the cover 20 may slidably sleeve an outer side of an end of the shell 11 along the first direction, and the end of the shell 11 is arranged with the heating assembly 14.
  • the first direction may be a length direction of the atomization device 100, and that is, the X direction as shown in FIG. 1 .
  • the protective holder 30 may be arranged at the outer side of the heating assembly 14 and slidably connected to the shell 11, and the cover 20 may slidably sleeve the outer side of the end of the shell 11 arranged with the heating assembly 14.
  • the heating assembly 14 and the protective holder 30 may be protected, and the cover 20, the protective holder 30, and the heating assembly 14 may be easily detached, such that each component of the atomization device 100 may be easily cleaned. Dust may be prevented from accumulating inside the atomization device 100 after a long-term use to reduced the heating efficiency of the atomization device 100 or damage the atomization device 100.
  • the shell 11 may define a guide groove 114 along the first direction.
  • the protective holder 30 may include a holder body 31 and a guide plate 32 connected to the holder body 31.
  • the holder body 31 may be arranged to surround the heating assembly 14, and the guide plate 32 may be engaged with the guide groove 114, such that the holder body 31 may be slidable relative to the shell 11.
  • Two guide grooves 114 may be defined on two opposing sides of the shell 11, and the two opposing sides may abut against two opposing sides of the holder body 31 contacting the shell 11.
  • Two guide plates 32 may be arranged on the two opposing sides of the holder body 31 in correspondence with the two guide grooves 114.
  • the two guide plates 32 may extend from the two opposing sides of the holder body 31 towards the shell 11 to engage with the guide groove 114.
  • the two guide grooves 114 may be evenly applied to two sides of the protective holder 30, such that the protective holder 30 may be stably connected with the shell 11.
  • each guide plate 32 may be in an L shape, including a guide portion 322 and a connection portion 324.
  • the connection portion 324 may be parallel with the two opposing sides of the shell 11.
  • the guide portion 322 may protrude from a side of the connection portion 324 away from the holder body 31, and two guide portions 322 of the two guide plates 32 may extend towards each other.
  • a face contact between the connection portion 324 and the shell 11 may increase a contact area between the connection portion 324 of the protective holder 30 and the shell 11 to increase a friction between the protective holder 30 and the shell 11, such that the protective holder 30 may be stably connected to the shell 11, and when the cover 20 is moved, the protective holder 30 may be prevented from being moved together with the cover 20.
  • a first engaging portion 115 may be arranged to protrude from a side wall of the guide groove 114.
  • a second engaging portion 326 may be arranged on the side of the connection portion 324 away from the holder body 31, extending towards the shell 11, that is, two engaging portions 326 may be arranged on two connection portions, extending towards each other.
  • the second engaging portion 326 may be spaced apart from the guide portion 322, such that a first engaging recess 328 may be defined between the second engaging portion 326 and the guide portion 322, the first engaging portion 115 may be engaged into the first engaging recess 328 to connect the protective holder 30 with the shell 11.
  • an engaging force between the protective holder 30 and the shell 11 may be increased.
  • the protective holder 30 may be protected from being moved together with the cover 20.
  • a third engaging portion 33 may be arranged on a side of the protective holder 30 close to the heating assembly 14, and a second engaging recess 116 may be defined in the shell 11.
  • the third engaging portion 33 may be engaged into the second engaging recess 116 to ensure a stable connection between the protective holder 30 and the shell 11.
  • the third engaging portion 33 may be arranged on a side of the protective holder 30 away from the second engaging portion 326, that is, the third engaging portion 33 and the second engaging portion 326 may be arranged on two opposing sides of the protective holder 30 to ensure an equal force applied to the connections between the protective holder 30 and the shell 11 at the two opposing sides, such that the protective holder 30 may be stably connected to the shell 11.
  • the cover 20 may be slidably arranged on an outer side of an end of the shell 11 arranged with the heating assembly 14 along the first direction, that is, the cover 20 may be arranged on the outer side of the shell 11 connected with the protective holder 30.
  • the cover 20 may include a case 22 defining a chamber and a channel wall 23 defining a channel.
  • the case 22 may define a smoke outlet 221, the channel wall is arranged within the chamber of the case 22 and connected with a periphery of the smoke outlet 221.
  • the case 22 may be arranged to connect with the body portion 10, and the tobacco product 50 may be received in the channel.
  • the power assembly 12 may include a battery 121 and a circuit board 13.
  • the circuit board 13 may be arranged to electrically connect the heating assembly 14 with the battery 121, and power may be supplied to the heating assembly 14, such that the heating assembly 14 may heat the tobacco product 50.
  • the battery 121 may be rechargeable, and the body portion 10 may be arranged with a charging interface 16 for recharging the battery 121.
  • the charging interface 16 may be arranged on a side of the shell 11 connected with the protective holder 30, that is, a side connected with the cover 20.
  • the charging interface 16 may be covered by the cover 20, preventing external contaminants from entering the charging interface 16 to damage the atomization device 100.
  • a positioning structure 40 may be arranged on the body portion 10 and the cover 20.
  • a part of the positioning structure 40 is arranged on the body portion 10, and the rest part of the positioning structure 40 is arranged on the cover 20.
  • the cover 20 slides relative to the body portion 10 the part of the positioning structure 40 arranged on the body portion 10 may be engaged with the rest part of the positioning structure 40 arranged on the cover 20, such that the body portion 10 and the cover 20 may maintain in a second state. In the second state, the cover 20 may expose the charging interface 16 to recharge the battery 121.
  • the cover 20 when the cover 20 completely covers the body portion 10 (which is named a first state), the cover 20 may cover the charging interface 16 for protection. When the cover 20 slides relative to the body portion 10, allowing the body portion 10 and the cover 20 to reach and maintain in the second state, the cover 20 may expose the charging interface 16, and the atomization device 100 may be recharged through the charging interface 16.
  • the charging interface 16 may be at least one of a cluster communication port, a Universal Serial Bus (USB) interface, a mini-USB interface, and a micro-USB interface.
  • the number of the charging interfaces 16 may be one or more, and will not be limited by the present disclosure.
  • the body portion 10 may be arranged with one charging interface 16, and the charging interface 16 may be a USB interface to allow the atomization device 100 to be commonly used.
  • a pin of the charging interface 16 may be welded with the circuit board 13 and electrically connected to a pad arranged on the circuit board 13.
  • the circuit board 13 may be arranged to electrically connect the charging interface 16 with the battery 121, such that the battery 121 may be recharged via the charging interface 16.
  • a plug terminal of the charging interface 16 may be exposed through an opening defined on a side wall of the shell 11.
  • the charging interface 16 may be arranged on a side wall of the body portion 10 and may be close to any one of two ends of the body portion 10 (preferably an end away from the battery 121) to reduce a size of the cover 20, such that a structure of the atomization device 100 may be more compact and a state of the atomization device 100 can be adjusted flexibly.
  • the positioning structure 40 may include a first protrusion 21 arranged on an inner wall of the case 22 and a second protrusion 111 and a third protrusion 112 arranged on an outer wall of the body portion 10.
  • the second protrusion 111 and the third protrusion 112 may be spaced apart from each other to define a positioning recess 113 therebetween.
  • the second protrusion 111 and the third protrusion 112 may be arranged on both the shell 11 and the protective holder 30.
  • the protective holder 30 may be fixedly arranged on a side of the shell 11.
  • the second protrusion 111 and the third protrusion 112 may be arranged on a side of the body portion 10 away from the protective holder 30, and the positioning recess 113 is defined in the body portion 10 between the second and the third protrusions.
  • the second protrusion 111 and the third protrusion 112 may be arranged on a side of the protective holder 30 away from the body portion 10, and the positioning recess 113 is defined in the protective holder 30 between the second and the third protrusions.
  • the first protrusion 21 may be arranged on the inner wall of the case 22 along a circumferential direction.
  • the second protrusion and the third protrusion 112 may be arranged on the outer wall of the body portion 10 along a circumferential direction to improve stability of the connection.
  • the second protrusion 111 and the third protrusion 112 may be arranged on two opposing side walls of the body portion 10 to optimize arrangement of components inside the atomization device 100.
  • a cross section of each of the first protrusion 21, the second protrusion 111, and the third protrusion 112 taken along a direction parallel with the first direction may be trapezoid, triangular, or arced to reduce a resistance during the first protrusion 21 moving towards the positioning recess 113, allowing an easy sliding.
  • the cross section of the first protrusion 21, the second protrusion 111, and the third protrusion 112 taken along the first direction is trapezoid.
  • a trapezoid surface of the first protrusion 21 may contact a trapezoid surface of the second protrusion 111.
  • the first protrusion 21 may be pushed to slide away from the second protrusion 111, such that a resistance generated when the first protrusion 21 sliding through the second protrusion 111 may be reduced, the first protrusion 21 may be easily received into the positioning recess 113, and the cover 20 and the body portion 10 may maintain in the second state as shown in FIG. 8 .
  • the cover 20 may be fixed with the body portion 10, and the charging interface 16 of the body portion 10 may be completely exposed to recharge the battery 121. It may be easily understood that the positioning structure may be arranged reversely, that is, the second protrusion 111 and the third protrusion 112 may be arranged on the inner wall of the cover 20, and the first protrusion 21 may be arranged on the outer wall of the body portion 10.
  • the positioning structure 40 may include a positioning hole and a positioning protrusion defined in the inner wall of the case 22 and the outer wall of the body portion 10.
  • the positioning protrusion may be arranged on the inner wall of the case 22, and the positioning hole may be defined in the outer wall of the body portion 10.
  • the positioning hole may be defined in the inner wall of the case 22, and the positioning protrusion is arranged on the outer wall of the body portion 10.
  • An elastic element may further be arranged to apply an elastic force to the positioning protrusion, such that when the positioning protrusion is in correspondence with the positioning hole, the elastic element may push the positioning protrusion into the positioning hole. During the positioning protrusion departing away from the positioning hole, the positioning protrusion may press the elastic element to move away from the positioning hole.
  • a portion of the positioning protrusion engaged with the positioning hole may be in a shape of a partial sphere.
  • the positioning hole may be a through hole or a recess.
  • the channel wall 23 may be connected to the case 22 in a detachable manner.
  • the case 22 may include an outer case 222 and an inner case 223 arranged inside the outer case 222.
  • the smoke outlet 221 may be defined in the outer case 222.
  • An end wall of the inner case 223 may define a relief hole 224 corresponding to the channel wall 23, and the channel wall 23 may extend through the relief hole 224 to connect to the periphery of the smoke outlet 221.
  • An end of the channel wall connected with the smoke outlet 221 may be arranged with a first hook 231, protruding from the channel wall and extending away from the channel.
  • the first hook 231 may extend through the relief hole 224 of the inner case 223 and received between an end wall of the external case 222 and the end wall of the inner case 223, such that the channel wall 23 may be fixed with the case 22 via the first hook 231.
  • the end of the channel wall 23 connected with the periphery of the smoke outlet 221 is further arranged with a second hook 232, protruding from the channel wall and extending away from the channel.
  • the second hook 232 may be spaced apart from the first hook 231, and the end wall of the inner case 223 may be clamped between the first hook 231 and the second hook 232.
  • a positioning block and a positioning recess which are able to be engaged with each other, may be arranged on the end of the channel wall 23 connected with the periphery of the smoke outlet 221 and defined in a side wall of the relief hole 224, respectively.
  • the positioning recess may be defined along the first direction.
  • the positioning block 233 may be arranged on the end of the channel wall 23 connected with the periphery of the smoke outlet, and the side wall of the relief hole 224 may define the positioning recess 225.
  • Two positioning blocks 233 may be diametrically arranged on two opposing sides of the round channel wall 23.
  • Two positioning recesses may be defined in correspondence with the two positioning blocks 223.
  • an outer side of the channel wall 23 may be in contact with external air.
  • a gap may be defined between the cover 20 and the body portion 10, the external air may flow through the gap to reach the outer side of the channel wall 23.
  • the side wall of the smoke outlet 221 may be arranged with a protrusion 226 to abut against the tobacco product 50, such that a gap may be defined between a periphery of the tobacco product 50 and the side wall of the smoke outlet 221.
  • the end of the channel wall 23 close to the smoke outlet 221 may define a vent 234, and the external air may flow from the smoke outlet 221 through the vent 234 to reach the outer side of the channel wall 23.
  • a face of the protrusion 226 contacting the tobacco product 50 may be made arced to provide an aesthetic appearance for the smoke outlet 221.
  • the face of the protrusion 226 contacting the tobacco product 50 may be made flat, and will not be limited by the present disclosure.
  • a gap may be defined between the side wall of the smoke outlet 221 and the tobacco product 50 to allow the external air to flow through the vent 234, and a contact area between the atomization device 100 and the tobacco product 50 may be improved to increase a friction between the tobacco product 50 and the atomization device 100, such that the tobacco product 50 may be fixedly arranged along a radial direction and prevented from falling out of the atomization device 100 during heating.
  • the vent 234 may be a recess defined on the end of the channel wall 23 close to the smoke outlet 221, and this is to simplify a manufacturing process.
  • the vent 234 may be a through hole extending through the channel wall 23 along a radial direction.
  • the vent 234 may be a recess defined in an end face of the channel wall 23 connected to the shell 11. A wall of the recess may be connected with the end face and an outer surface of the channel wall 23, and the recess may communicate with the smoke outlet 221.
  • the vent 234 may be defined by other means, and will not be limited by the present disclosure.
  • the shell 11 may define a receiving hole in correspondence with the heating assembly 14.
  • the heating assembly 14 may include a heating body 142 and a heating member 144.
  • the heating body 142 may be received in the receiving hole and connected with the shell 11 in a detachable manner.
  • the heating member 144 may be exposed out of the shell 11.
  • the channel wall 23 may be arranged inside the protective holder 30, and the heating assembly 144 may be inserted into the channel to heat the tobacco product 50.
  • a bottom wall 239 of the channel wall 23 may define a relief hole 235.
  • the heating member 144 of the heating assembly 14 may be inserted into the relief hole 235 to heat the tobacco product 50 in the channel.
  • the heating assembly 14 may further include an electrode 146.
  • the electrode 146 may be connected with the circuit board 13 and electrically connected with the battery 121, such that an electric energy of the battery 121 may be transferred to the heating member 144.
  • the heating member 144 may receive the electric energy and heat the tobacco product 50.
  • an end of the heating member 144 may be arranged out of the channel and connected to the electrode 146, and the other end of the heating member 144 may extend through the relief hole 235 to be received within the channel.
  • a part of the heating member 144 received within the channel may be inserted into an inside of the tobacco product 50 to heat the tobacco product 50 to generate the smoke.
  • a gap may be defined between an outer wall of the heating member 144 and a side wall of the relief hole 235, and the external air may flow through the gap to reach the inside of the channel to drive the smoke to flow to an outside of the atomization device for a user to inhale.
  • the heating member 144 may be cylindrical, and a part of the cylindrical heating member 144 close to the tobacco product 50 may be arranged to be conical. Arranging the heating member 144 to be cylindrical is to increase a contact area between the heating member 144 and the tobacco product 50 to increase the heating efficiency.
  • the heating member may be flat to reduce a friction resistance for the heating member 144 inserted into the tobacco product 50.
  • an end of the heating member 144 close to the cover 20 may be triangular to further reduce the friction resistance for the heating member 144 inserted into the tobacco product 50, facilitating the heating member 144 to be inserted into the tobacco product 50 easily.
  • the channel wall 23 of the present embodiment may be provided to define a cylindrical channel to fit with the geometry of the tobacco product 50, as shown in FIG. 11 .
  • a shape of the relief hole 235 may be defined to be stripped along a diameter of the bottom wall 239. By defining the relief hole 235 along the diameter, the tobacco product 50 may be symmetrically distributed at two sides of the heating member 144, and may be heated evenly.
  • the tobacco product 50 close two sides of the heating member 144 may be heated at first. Therefore, the tobacco product 50 close to a diametrical region of the heating member 144 may be efficiently atomized, and the tobacco product 50 away from the diametrical region of the heating member 144 may be atomized later.
  • the air may flow from the relief hole 235 of the bottom wall 239 of the channel wall 23 to the inside of the channel to drive the generated smoke to flow to the outside of the atomization device.
  • the tobacco product 50 When the tobacco product 50 is heated to a certain extent, the tobacco product 50 close to the heating member 144 may be completely heated, the air flowing from the relief hole 235 may drive the smoke generated from the over-heated tobacco product 50, and the smoke may taste burnt to the user, influencing user experience.
  • an air entering hole 236 may be defined in a side wall of the channel wall 23.
  • the air entering hole 236 allows the air to flow into the channel and contact the tobacco product located between the air entering hole 236 and the smoke outlet 221, improving the heating efficiency of the tobacco product located therein.
  • the relief hole 235 may be defined in the bottom wall 239 of the channel wall 23, and an air entering hole 236 may be defined on the side wall of the channel wall 23.
  • an air entering hole 236 may be defined on the side wall of the channel wall 23.
  • the air may enter the channel through the air entering hole 236 on the side wall of the channel wall 23, and a part of the tobacco product 50 close to the side wall may be completely heated, the middle portion of the tobacco product 50 may be prevented from being over-heated, improving the user experience.
  • the air entering hole 236 may be defined in an end of the side wall close to the bottom wall 239 to maximize a distance between the air entering hole 236 and the smoke outlet 221 and maximize a contact area between the air and the tobacco product 50. Therefore, increased amount of tobacco may be efficiently atomized.
  • the tobacco product 50 located between the air entering hole 236 and the bottom wall 239 may contact the air sufficiently, and a waste of the tobacco product may be prevented.
  • a distance between an end of a side wall of the air entering hole 236 closest to the bottom wall 239 and the bottom wall 239 may be defined as a smallest distance between the air entering hole 236 and the bottom wall 239, and the smallest distance may be less than or equal to 5mm. That is, the smallest distance between the air entering hole 236 and the bottom wall 239 is less than or equal to 5mm.
  • the smallest distance may be 0mm, 0.5mm, 1mm, 2mm, 4mm, 5mm, or the like.
  • the air entering hole 236 may be circular, and the smallest distance between the air entering hole 236 and the bottom wall 239 may be 0, that is, a distance between a center of the air entering hole 236 and the bottom wall 239 is equal to a radius of the air entering hole 236, and that is, the bottom wall 239 touches the air entering hole 236. Therefore, the distance between the air entering hole 236 and the bottom wall 239 reaches a smallest value, avoiding the tobacco product 50 from being wasted.
  • an axle direction of the air entering hole 236 may be perpendicular to a length direction of the relief hole 235, such that a contact area between the air entering from the air entering hole 236 and the heating assembly 144 may be maximized.
  • the air entering hole 236 may be perpendicular to the relief hole 235, the entered air may diffuse symmetrically from the air entering hole 236 towards a periphery, directions of the air flow are shown in FIG. 11 .
  • the tobacco product 50 in the channel 23 may be evenly heated, and an atomization efficiency may be improved.
  • two air entering holes 236 may be defined in the side wall of the channel wall 23, opposite to each other and facing towards two opposing sides of the heating member 144, such that the tobacco located at the two opposing sides of the heating member 144 may be evenly heated.
  • a plurality of air entering holes 236 may be defined to improve an efficiency of air entering.
  • the plurality of air entering holes 236 may be defined on a same cross section of the channel wall 23, such that the tobacco product 50 may be evenly heated.
  • the number and positions of the air entering holes 236 may be determined based on the shape of the channel wall 23 and the shape of the heating member 144, which will not be limited by the present disclosure.
  • the outer surface of the channel wall 23 may be arranged with an abutting portion 237.
  • a distance between the abutting portion 237 and the bottom wall 239 may be less than the distance between the air entering hole 236 and the bottom wall 239, that is, the abutting portion 237 may be arranged between the air entering hole 236 and the bottom wall 239, or the abutting portion 237 and the bottom wall 239 may be arranged on a same plane.
  • the abutting portion 237 may abut against an inner wall of the protective holder 30.
  • a direction of the air flow may be changed, and the air may flow through the air entering hole 236 to the inside of the channel.
  • the abutting portion 237 may define air guiding channel 238 in correspondence with the air entering hole 236.
  • the air guiding channel 238 may be defined at a bottom of the air entering hole 236, and the air reaching the abutting portion 237 may be guided into the air entering hole 236, facilitating the air to enter the channel.
  • the abutting portion 237 may be uniformly arranged on the outer surface of the channel wall 23, such that external forces may be evenly applied to the channel wall 23.
  • the abutting portion 237 surrounds the channel wall 23 along a circumferential direction abutting against the inner wall of the protective holder 30, and the abutting portion 237 and the bottom wall 239 of the channel wall 23 may be coplanar.
  • the abutting portion 237 arranged along the circumferential direction may allow external forces to be evenly applied to the outer side of the channel wall 23.
  • the abutting portion 237 may abut against the inner wall of the protective holder 30, such that an increased amount of the air entering from the vent 234 may flow through the air entering hole 236.
  • the distance between the air entering hole 236 and the bottom wall 239 may be reduced, such that a size of the tobacco product 50 contacting the air may be maximized, and the tobacco product 50 may not be wasted.
  • a side of the protective holder 30 away from the heating assembly 14 may abut against the case 22.
  • two ends of the protective holder 30 may abut against the case 22 and the shell 11, respectively, such that air diffusion may be reduced, and an airtight space may be defined inside the holder body 31.
  • Some air may be reserved in the airtight space, between the vent 234 and the air entering hole 236. The reserved air may be pre-heated by the heat channel wall 23, such that a temperature of the air flowing through the air entering hole 236 may be greater than a temperature of the external air, improving the taste for the user.
  • the holder body 31 may include a bottom board 34, arranged on a side of the holder body 31 close to the heating assembly 14, and the bottom board 34 may define a relief recess 342.
  • the heating assembly 14 may be arranged with a clamping portion 145 protruding from the heating assembly 14 to fix the heating member 144.
  • the clamping portion 145 is received in the relief recess 342, and the bottom board 34 may abut against the heating body 142.
  • the heating assembly 14 may be fixed on the shell 11 to be prevented from shaking while in use. A reduced number of components for fixing the heating assembly 14 may be needed, reducing complexity of a structure of the atomization device 100 and enabling an easy detaching and assembling process.
  • the clamping portion 145 may seal air channels inside the protective holder 30, such that the smoke may be prevented from being condensed and flow back into the shell 11 to damage the circuit board 13, the battery 121, and other elements inside the shell 11.
  • the clamping portion 145 may be made of plastics to improve a sealing effect between the clamping portion 145 and a side wall of the relief recess 342.
  • a surface of the heating body 142 exposed out of the shell 11 and the bottom board 34 of the protective holder 30 may define a position limiting recess and may be arranged with a position limiting element, respectively, wherein the position limiting element may be engaged with the position limiting recess to achieve an accurate alignment between the protective holder 30 and the heating assembly 14.
  • the position limiting recess 147 is defined in the surface of the heating body 142 exposed out of the shell 11, and two position limiting recesses 147 may be symmetrically defined in the heating body 142.
  • the position limiting element 344 may be arranged on the bottom board 34 in correspondence with the position limiting recess 147.
  • the protective holder 30 may be prevented from displacing, such that the heating assembly 14 may be prevented from shaking inside the shell 11.
  • an area of the relief hole 235 is less than an area of a cross section of the channel defined by the channel wall 23, that is, the area of the relief hole 235 is less than an area of a cross section of the tobacco product 50, such that the tobacco product 50 may be prevented from extending through the relief hole 235 to reach an inside of the body portion 10, therefore, the tobacco product 50 with a high temperature may be prevented from damaging the circuit 13 and other elements inside the body portion 10.
  • the body portion 10 and the cover 20 may be in a third state.
  • the third state may be may be a transition state between the first state and the second state, that is, a state during moving the cover 20 from the first state in which the cover 20 completely covers the body portion 10 to the second state in which the cover 20 is fixed with the body portion 10.
  • the bottom wall 239 of the channel wall 23 may push the tobacco product 50, such that the tobacco product 50 may be removed together with the cover 20, and at least a part of the heating member 144 may be departed away from the tobacco product 50. Therefore, it may be easier to remove the tobacco product 50 from the channel, and therefore, when the cover 20 and the body portion 10 are in the third state, the tobacco product 50 may be easily replaced.
  • the body portion 10 and the cover 20 may be arranged with a first magnetic element and a second magnetic element, respectively.
  • the first and the second magnetic elements may be attracted with each other to maintain the body portion 10 and the cover 20 in the first state.
  • the first magnetic element 24 may be arranged on an inner end face of the cover 20, and the second magnetic element 17 may be arranged on a side of the shell 11 close to the cover 20.
  • the first magnetic element 24 and the second magnetic element 17 may be oppositely disposed.
  • the second magnetic element 17 may attract the second magnetic element 24, such that the cover 20 may move close to the body portion 10, the cover 20 may be restored to an initial position, and maintain in the first state.
  • the cover 20 may cover the charging interface 16 to prevent external contaminants and moisture from entering the charging interface 16.
  • the cover 20 may maintain in the initial position relative to the body portion 10 (that is, the first state) when charging is not required, such that the charging interface 16 may completely be covered, preventing the charging interface 16 from being exposed to the outside and being contaminated while not in use.
  • the body portion 10 and the cover 20 may be in a fourth state.
  • the cover 20 and the body portion 10 when the cover 20 and the body portion 10 are in the second state, the cover 20 may further be moved away from the body portion 10.
  • the first protrusion 21 may pass through the third protrusion 112 to release a connection between the cover 20 and the body portion 10, such that the cover 20 may be taken off from the body portion 10, that is, the body portion 10 and the cover 20 maintain in the fourth state.
  • the cover 20 may completely be released from the body portion 10, such that components arranged inside the body portion 10, such as the heating assembly 14 and the like, may be cleaned, repaired, and replaced.
  • the shell 11 of the atomization device 100 may be arranged with a display 18 to display a remaining battery and/or an output power of the battery 121.
  • the display 18 may be electrically connected to the battery 121 through the circuit board 13.
  • the user may check the remaining battery at any time and may estimate remaining duration of working for the battery 121.
  • the user may adjust the output power of the battery 121.
  • the body portion 10 may further include a button 19 and a protective shell 11A.
  • the button 19 may be arranged with the body portion 10 by protruding from a surface of the shell 11 and electrically connected to the circuit board 13 and the battery 121 to control the atomization device 100 to heat or stop heating the tobacco product 50.
  • the protective shell 11A may be arranged at an outer side of the shell 11 to improve an aesthetic appearance of the atomization device 100 and protect the atomization device 100.
  • a method for assembling the atomization device may be provided to assembly the above-mentioned atomization device 100.
  • the method includes following operations.
  • the heating assembly may be assembled with the shell along the first direction.
  • the heating body of the heating assembly may be mounted into the relief hole of the shell, and the heating member 144 may be exposed out of the shell.
  • the protective holder may be assembled with the shell along the first direction to allow the heating assembly to be surrounded by the protective holder.
  • the guide plate may be aligned with the guide groove, and the protective holder may be moved from a side of the shell away from the heating assembly towards the heating assembly, such that the guide plate may slide along the guide groove to engage the first engaging portion of the guide plate into the first engaging recess and to engage the third engaging portion into the second engaging recess.
  • the cover may be assembled with the shell to cover a side of the shell connected with the protective holder.
  • the cover may sleeve an end of a side of the shell arranged with the protective holder, and a first magnetic element and a second magnetic element attracting each other may be arranged on the case and the shell respectively to assemble the cover with the shell.
  • the present embodiment provides a simple method for assembling the atomization device.
  • the cover, the protective holder, and the heating assembly may be easily detached, such that components arranged inside the atomization device may be easily cleaned, repaired and replaced.
EP19214699.1A 2018-12-10 2019-12-10 Dispositif d'atomisation et procédé d'assemblage de dispositif d'atomisation Active EP3666092B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811506730.3A CN109512034B (zh) 2018-12-10 2018-12-10 烟具及其安装方法

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EP3666092A1 true EP3666092A1 (fr) 2020-06-17
EP3666092B1 EP3666092B1 (fr) 2023-01-04

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CN110623305A (zh) * 2019-09-05 2019-12-31 深圳麦克韦尔科技有限公司 一种气雾产生装置、发热组件以及数据交互方法

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