Patent Application
20230000165
The present disclosure relates to the technical field of aerosol generating devices, in particular to an atomizer and an aerosol generating device having the atomizer.
The aerosol generating device includes an atomizer and a power supply device electrically connected to the atomizer, the atomizer includes a liquid storage assembly for storing the aerosol-forming substrate and an atomizing assembly for atomizing the aerosol-forming substrate. In the prior art, during use, the aerosol-forming substrate of the atomizer is easy to leak from the connection between the liquid storage assembly and the atomizing assembly, or the aerosol-forming substrate is easily leaked from the atomizing assembly to the outside of the aerosol generating device under the effect of gravity, causing trouble to the user.
In view of above, the present disclosure provides an atomizer and an aerosol generating device for preventing the leakage of the aerosol-forming substrate.
The technical solution adopted by the present disclosure to solve the problem is as follows: an atomizer includes a liquid storage assembly and an atomizing assembly, wherein a liquid storage chamber is provided in the liquid storage assembly, the liquid storage assembly is provided with a smoke outlet, the atomizing assembly is disposed at one end of the liquid storage assembly opposite to the smoke outlet, an atomizing chamber is provided in the atomizing assembly, the smoke outlet communicates with the atomizing chamber, a liquid inlet and an air inlet passage are provided in the atomizing assembly, the liquid inlet communicates the liquid storage chamber and the atomizing chamber, the atomizing assembly includes a liquid absorbing member, the liquid absorbing member is arranged between the liquid storage chamber and the atomizing chamber to separate direct communication between the liquid storage chamber and the atomizing chamber, the air inlet passage communicates with the atomizing chamber, an air outlet end of the air inlet passage is located closer to the smoke outlet compared to the liquid absorbing member.
Further, the atomizing assembly further includes an atomizing base, the atomizing base is recessed to form a mounting groove, the mounting groove communicates with the liquid storage chamber, the air inlet passage is provided at the atomizing base, the liquid absorbing member is accommodated in the mounting groove.
Further, the atomizing base extends upward in an axial direction to form an air guiding pipe, the air inlet passage is formed by an inner cavity of the atomizing base and an inner cavity of the air guiding pipe, an opening at a lower end of the atomizing base forms an air inlet end, the air inlet end communicates with the air inlet passage, the air outlet end is formed by an opening at an upper end of the air guiding pipe.
Further, the atomizing assembly further includes a connecting member, the connecting member is located at an upper end of the atomizing base, the liquid inlet is provided in the connecting member, the liquid inlet communicates with the liquid storage chamber and the mounting groove.
Further, the atomizing assembly is further provided with a liquid blocking member, the liquid blocking member is configured for filtering the air flowing from the atomizing chamber to the smoke outlet.
Further, an upper end surface of the liquid absorbing member is in contact with a lower end surface of the connecting member and is aligned with the liquid inlet.
Further, the atomizing assembly further includes a heating member, the heating member is sandwiched between the liquid absorbing member and a bottom wall of the mounting groove.
Further, a heat insulating member is arranged between the heating member and the bottom wall of the mounting groove.
Further, the liquid storage assembly includes a liquid storage tube and a vent tube disposed in the liquid storage tube, the smoke outlet is provided in the liquid storage tube, a lower end of the liquid storage tube is sleeved at the outside of the atomizing base, the liquid storage chamber is jointly enclosed by an inner wall of the liquid storage tube, an outer wall of the vent tube and the atomizing assembly.
An aerosol generating device includes the atomizer described in any one of the above.
The beneficial effects of the present disclosure are: in the atomizer provided by the present disclosure, the atomizing assembly is provided with the air inlet passage communicating with the atomizing chamber, the liquid absorbing member is arranged between the liquid storage chamber and the atomizing chamber to separate direct communication between the liquid storage chamber and the atomizing chamber, and meanwhile, the air outlet end of the air inlet passage is located closer to the smoke outlet compared to the liquid absorbing member, such that the aerosol-forming substrate which is not atomized by the heating member in time on the liquid absorbing member, the condensate generated by cooling of the smoke or the leaked aerosol-forming substrate is not easily leaked to the outside of the aerosol generating device.
The following further describes the present disclosure with reference to the accompanying drawings and embodiments.
The reference signs in the figures are as follows:
The present disclosure will now be described in detail with reference to the accompanying drawings. These figures are simplified schematic diagrams, which only illustrate the basic structure of the present disclosure in a schematic manner, so they only show the structures related to the present disclosure.
As shown in
In one specific embodiment, the liquid storage assembly 10 includes a liquid storage tube 14, the liquid storage tube 14 is substantially cylindrical with an opening at a lower end thereof, the atomizing assembly 20 is installed at the opening provided at the lower end of the liquid storage tube 14. The top wall of the liquid storage tube 14 is provided with a smoke outlet 11, the inner wall of the liquid storage tube 14 extends downward along the axial direction of the liquid storage tube 14 to form a communication pipe 12 located around the smoke outlet 11, the inner cavity of the communication pipe 12 communicates with the smoke outlet 11. The liquid storage assembly 10 further includes a vent tube 13 connected with the communication pipe 12. In this embodiment, the upper end of the vent tube 13 is sleeved at the outside of the communication pipe 12, the lower end of the vent tube 13 is connected with the atomizing assembly 20. It can be understood that the vent tube 13 and the communication pipe 12 may also be connected by means of screw connection or snapping connection. The inside of the vent tube 13 is hollow to form a smoke outlet passage 131, the smoke outlet passage 131 communicates with the inner cavity of the communication pipe 12. The space enclosed by the outer wall of the vent tube 13, the inner wall of the liquid storage tube 14 and the atomizing assembly 20 forms a liquid storage chamber 15 for storing the aerosol-forming substrate. In this embodiment, the liquid storage tube 14 can be made of transparent or translucent materials such as plastic, glass, etc., so that it is convenient for the user to observe the remaining amount of the aerosol-forming substrate stored in the liquid storage tube 14, and it is convenient for the user to inject liquid or replace the atomizer 100 in time. It can be understood that, in other embodiments not shown, the liquid storage tube 14 can also be made of metal material or glass combined with metal material, which is not limited here.
As shown in
In one specific embodiment, the bottom wall of the mounting groove 212 extends upward along the axial direction of the atomizing base 21 to form an air guiding pipe 213. The upper end of the air guiding pipe 213 is communicated to the lower end of the atomizing base 21, the opening at the lower end of the atomizing base 21 forms an air inlet end, and the air inlet end communicates with the inner cavity of the air guiding pipe 213, the opening at the upper end of the air guiding pipe 213 forms an air outlet end. The air inlet passage 211 is formed by the inner cavity of the atomizing base 21 and the inner cavity of the air guiding pipe 213. A preset height difference exists between the air outlet end of the air guiding pipe 213 and the upper end surface of the liquid absorbing member 231, that is, the air outlet end of the air inlet passage 211 is higher than the upper end surface of the liquid absorbing member 231. In this embodiment, the liquid absorbing member 231 is accommodated in the mounting groove 212, the aerosol-forming substrate that has not been atomized by the heating structure 23 in time or the condensate generated by cooling will be stored in the mounting groove 212 under the action of gravity, and will be absorbed by the liquid absorbing member 231. When the aerosol generating device is placed at any angle, the liquid accumulated and absorbed by the liquid absorbing member 231 will not leak to the outside of the aerosol generating device through the air guiding pipe 213 and the air inlet passage 211. When the aerosol generating device is in use, the aerosol-forming substrate accumulated at the bottom of the mounting groove 212 is preferentially atomized by the heating member 232 arranged at the bottom wall of the mounting groove 212, such that the aerosol-forming substrate accumulated at the bottom wall of the mounting groove 212 is prevented from leaking to the outside of the aerosol generating device.
A limiting portion 214 is protruded on the outer peripheral surface of the atomizing base 21. The lower end of the liquid storage assembly 10 is engaged with the limiting portion 214. When the liquid storage assembly 10 and the atomizing assembly 20 are assembled in place, the lower end surface of the liquid storage assembly 10 abuts against the upper end surface of the limiting portion 214, thereby limiting the installation of the liquid storage assembly 10. In order to enhance the sealing between the liquid storage assembly 10 and the atomizing assembly 20, a sealing member 215 is sandwiched between the inner wall of the liquid storage tube 14 and the outer wall of the atomizing base 21. The sealing member 215 is made of a sealing material such as silicone or rubber. In this embodiment, when the liquid storage assembly 10 is assembled with the atomizing assembly 20, the liquid storage tube 14 is sleeved at the outside of the atomizing base 21. It can be understood that, in other embodiments not shown, the liquid storage tube 14 and the atomizing base 21 may also be connected by a connection manner such as snapping connection or plugging connection. It can be understood that, in other embodiments not shown, the liquid storage tube 14 and the atomizing base 21 are integrally formed, the liquid storage tube 14 further includes an opening at the upper end, the heating assembly 23 and the vent tube 13 are installed through the opening at the upper end of the liquid storage tube 14.
In one specific embodiment, the atomizing assembly 20 further includes a connecting member 22 located at one end of the atomizing base 21, the connecting member 22 is installed at the top end of the atomizing base 21, the lower end surface of the connecting member 22 abuts against the upper end surface of the atomizing base 21. The connecting member 22 is provided with a liquid inlet 224 communicating with the mounting groove 212. The upper end surface of the liquid absorbing member 231 is in contact with the lower end surface of the connecting member 22 and is aligned with the liquid inlet 224, the aerosol-forming substrate in the liquid storage chamber 15 enters the liquid absorbing member 231 installed in the mounting groove 212 through the liquid inlet 224. When the liquid absorbing member 231 absorbs the aerosol-forming substrate to a saturated state, the aerosol-forming substrate in the liquid storage chamber 15 stops flowing to the liquid-absorbing member 231. It can be understood that, in other embodiments not shown, the upper end surface of the liquid absorbing member 231 can also be arranged staggered from the liquid inlet 224, so long as it is satisfied that the liquid absorbing member 231 is arranged between the liquid storage chamber 15 and the atomizing chamber 221 to separate direct communication between the liquid storage chamber 15 and the atomizing chamber 221. The bottom portion of the connecting member 22 is recessed upward along the axial direction of the connecting member 22 to form a communication groove 225. The communication groove 225 communicates with the air inlet passage 211. When the connecting member 22 is installed on the atomizing base 21, the atomizing chamber 221 is jointly formed by the groove wall of the communication groove 225, the upper end surface of the liquid absorbing member 231 and the outer wall of the air guiding pipe 213. The top wall of the connecting member 22 extends upward along the axial direction of the connecting member 22 to form a hollow connecting pipe 222. The upper end of the connecting pipe 222 is connected with the vent tube 13, the inner cavity of the connecting pipe 222 communicates with the smoke outlet passage 131 and the atomizing chamber 221. The liquid storage chamber 15 is jointly enclosed by the outer wall of the vent tube 13, the inner wall of the liquid storage tube 14, the top wall of the connecting member 22 and the outer wall of the connecting pipe 222. In this embodiment, the upper end of the connecting pipe 222 is sleeved at the outside of the vent tube 13, the inner wall of the connecting pipe 222 extends along the radial direction of the connecting pipe 222 toward the central axis of the connecting pipe 222 to form a limiting protrusion 223. When the vent tube 13 and the connecting pipe 222 are assembled in place, the lower end of the vent tube 13 abuts against the limiting protrusion 223, so as to limit the installation of the vent tube 13. It can be understood that, in other embodiments not shown, the vent tube 13 and the connecting pipe 222 may also be connected by a connection manner such as a snapping connection or a magnetic connection. The passage for the external air to enter the atomizing chamber 221 and for the mixture of the smoke and the external air to flow out of the aerosol generating device to enter into the user's mouth is an airflow passage. In this embodiment, the airflow passage includes the air inlet passage 211, the atomizing chamber 221, the smoke outlet passage 131 and the smoke outlet 11.
In one specific embodiment, the connecting member 22 is installed from the opening at the lower end of the liquid storage tube 14, and is connected to the liquid storage tube 14. It can be understood that, in other embodiments not shown, the connecting member 22 is integrally formed with the liquid storage tube 14. The liquid inlet 224 and/or the opening at the upper end of the connecting pipe 222 constitute the opening at the lower end of the liquid storage tube 14. The liquid storage tube 14 further includes an opening at the upper end. The vent tube 13 is installed from the opening at the upper end of the liquid storage tube 14, and is connected to the connecting member 22. It can be understood that, in other embodiments not shown, the connecting member 22 may be omitted, the upper end surface of the liquid absorbing member 231 is in contact with the lower end surface of the vent tube 13, so that a part of the upper end surface of the liquid absorbing member 231 is in contact with the aerosol-forming substrate in the liquid storage chamber 15, and another part of the upper end surface of the liquid absorbing member 231 is accommodated in the inner cavity of the vent tube 13. The inner cavity of the vent tube 13 serves as both the smoke outlet passage 131 and the atomizing chamber 221. The liquid storage chamber 15 is jointly enclosed by the outer wall of the vent tube 13, the inner wall of the liquid storage tube 14 and the upper end surface of the atomizing base 21.
In one specific embodiment, a liquid blocking member 24 is provided between the vent tube 13 and the connecting member 22. The liquid blocking member 24 is provided between the limiting protrusion 223 and the vent tube 13, and separates the atomizing chamber 221 from the smoke outlet 11 in the airflow passage. The bottom wall of the liquid blocking member 24 abuts against the top wall of the limiting protrusion 223, the top wall of the liquid blocking member 24 abuts against the lower end of the vent tube 13. The liquid blocking member 24 is used to filter the air flowing from the atomizing chamber 221 to the smoke outlet 11, the liquid blocking member 24 is provided with a plurality of vent holes 241, the gas in the airflow passage can flow to the user's mouth through the vent holes 241, and also the liquid blocking member 24 can prevent the condensate in the atomizing chamber 221 and the non-atomized aerosol-forming substrate from entering the user's mouth through the airflow passage or leaking to the outside of the aerosol generating device. It can be understood that the liquid blocking member 24 can be arranged between the communication pipe 12 and the vent tube 13 to separate the atomizing chamber 221 from the smoke outlet 11 in the airflow passage, which can also prevent the condensate in the atomizing chamber 221 and the leaked aerosol-forming substrate from entering the user's mouth through the airflow passage or leaking to the outside of the aerosol generating device. It can be understood that the liquid blocking member 24 can also be disposed in the vent tube 13, or disposed in the connecting pipe 222, or disposed in the communication pipe 12, and separates the atomizing chamber 221 from the smoke outlet 11 in the airflow passage, which can also prevent the condensate in the atomizing chamber 221 and the leaked aerosol-forming substrate from entering the user's mouth through the airflow passage or leaking to the outside of the aerosol generating device.
In one specific embodiment, connecting posts 226 are protruded from the bottom wall of the connecting member 22, the atomizing base 21 is provided with mounting holes that cooperate with the connecting posts 226. When the connecting member 22 is connected to the atomizing base 21, the connecting posts 226 are inserted into the corresponding mounting holes, so as to connect the connecting member 22 and the atomizing base 21 in a positioning manner.
In one specific embodiment, two electrode connecting members 216 are installed to the atomizing base 21, one of the electrode connecting members 216 is electrically connected to one of the positive and negative electrodes of the power supply device, and the other electrode connecting member 216 is electrically connected to the other one of the positive and negative electrodes of the power supply device. The upper end of each electrode connecting member 216 is provided with an inserting groove 2161 communicating with the mounting groove 212. Two pins 2321 are connected to both ends of the heating member 232. Each of the pins 2321 corresponds to one of the inserting grooves 2161. Each of the pins 2321 is inserted into the corresponding inserting groove 2161 and is electrically connected to the electrode connecting member 216, so that the pins 2321 are electrically connected to the power supply device and the electrical energy is supplied to the heating member 232 through the pins 2321. In this embodiment, the heating member 232 is arranged below the liquid absorbing member 231, the pins 2321 are inserted into the inserting grooves 2161. In this embodiment, the heating member 232 is disposed below the liquid absorbing member 231, and the pins 2321 are inserted into the inserting grooves 2161, so that even if the aerosol-forming substrate leaks along the pins 2321, it will not enter into the atomizing chamber 221 or leak to the outside through the airflow passage communicated with the atomizing chamber 221. It can be understood that in other embodiments, two pins are provided on both ends of the heating member 232, the electrode connecting members 216 respectively abut against the pins of the heating member 232 so as to realize the electrical connection between the heating member 232 and the electrode connecting members 216.
In one specific embodiment, a heat insulating member 25 is further arranged between the heating member 232 and the bottom wall of the mounting groove 212. The pins 2321 pass through the heat insulating member 25 and then are inserted into the corresponding inserting grooves 2161, the heat insulating member 25 is made of high temperature resistant material such as silicone, ceramics or metal, to prevent the heat generated by the heating member 232 from being conducted to the atomizing base 21 through the bottom wall of the mounting groove 212 and then to the outside of the aerosol generating device, which will cause a waste of resources.
The liquid absorbing member 231 has the function of absorbing aerosol-forming substrate. It can be understood that the liquid absorbing member 231 is a porous liquid absorbing member, the liquid absorbing member 231 can be one, or a combination of two or more than two of the following materials of cotton, porous ceramics, fiber rope, foamed metal, and foamed graphite. In this embodiment, the liquid absorbing member 231 is cotton. The heating member 232 is a sheet-like structure, the heating member 232 is a heating body that can be energized to generate heat. In this embodiment, the heating member 232 is a metal heating sheet, and the heating member 232 and the pins 2321 are integrally formed.
In use, the power supply device supplies power to the heating member 232, the heating member 232 heats the aerosol-forming substrate absorbed on the liquid absorbing member 231 to generate smoke, the smoke is emitted into the atomizing chamber 221, the external air enters the atomizing chamber 221 through the air inlet passage 211 to be mixed with the smoke; when the air entering the aerosol generating device through the air inlet passage 211 passes through the atomizing chamber 221, the air carries the smoke together to flow through the smoke outlet passage 131 and the smoke outlet 11, to enter into the user's mouth.
In the atomizer 100 provided by the present disclosure, the atomizing assembly 20 is provided with the air inlet passage 211 communicating with the atomizing chamber 221, the liquid absorbing member 231 is arranged between the liquid storage chamber 15 and the atomizing chamber 221 to separate direct communication between the liquid storage chamber 15 and the atomizing chamber 221, and meanwhile, the air outlet end of the air inlet passage 211 is located closer to the smoke outlet 11 compared to the liquid absorbing member 231, such that the aerosol-forming substrate which is not atomized by the heating member 232 in time on the liquid absorbing member 231, the condensate generated by cooling of the smoke or the leaked aerosol-forming substrate is not easily leaked to the outside of the aerosol generating device.
Since the aerosol generating device provided by the present disclosure has all the technical features of the above-mentioned atomizer 100, it has the same technical effects as the above-mentioned atomizer 100.
Taking the above-mentioned ideal embodiments according to the present disclosure as enlightenment, through the above description, the relevant persons can make various changes and modifications without departing from the concept of the present disclosure. The technical scope of the present disclosure is not limited to the content of the specification, and its technical scope should be determined according to the scope of the claims.
| Number | Date | Country | Kind |
|---|---|---|---|
| 202020274997.0 | Mar 2020 | CN | national |
The present disclosure is a continuation-in-part of International Patent Application No. PCT/CN2021/079711, filed on Mar. 9, 2021, which claims priority to Chinese Patent Application No. 202020274997.0, filed on Mar. 9, 2020. All of the aforementioned patent applications are hereby incorporated by reference in their entireties.
| Number | Date | Country | |
|---|---|---|---|
| Parent | PCT/CN2021/079711 | Mar 2021 | US |
| Child | 17930723 | US |
