CN113171733A - Heat insulation structure and aerosol generating device - Google Patents
Heat insulation structure and aerosol generating device Download PDFInfo
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- CN113171733A CN113171733A CN202011383396.4A CN202011383396A CN113171733A CN 113171733 A CN113171733 A CN 113171733A CN 202011383396 A CN202011383396 A CN 202011383396A CN 113171733 A CN113171733 A CN 113171733A
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- airflow
- heat insulation
- support bracket
- thermal insulation
- insulation structure
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- 238000009413 insulation Methods 0.000 title claims abstract description 80
- 239000000443 aerosol Substances 0.000 title claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims abstract description 17
- 239000004964 aerogel Substances 0.000 claims description 4
- 210000002268 wool Anatomy 0.000 claims 1
- 239000000463 material Substances 0.000 description 6
- 239000004696 Poly ether ether ketone Substances 0.000 description 5
- 229920002530 polyetherether ketone Polymers 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0095—Preparation of aerosols
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Central Heating Systems (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a heat insulation structure and an aerosol generating device, wherein the heat insulation structure comprises an inner support bracket, an airflow separator and a heat insulation base, wherein a through hole is formed in the middle of the bottom end of the upper end of the inner support bracket, and an annular airflow cavity is formed between the outer wall of the inner support bracket and the inner wall of a shell; the airflow partition divides the airflow cavity into a first airflow channel and a second airflow channel from outside to inside, the upper ends of the first airflow channel and the second airflow channel are mutually communicated, the lower end of the second airflow channel is communicated with the through hole, and the first airflow channel is communicated with an air inlet formed in the shell; the heat insulation base is used for fixing the heating body, and at least part of the heating body extends into the accommodating cavity through the through hole. According to the embodiment of the invention, the inner part of the aerosol generating device is partitioned by the inner support bracket and the airflow partition to form the airflow channel, heat of the shell accessory is taken away through convection heat exchange to ensure the comfort when a user holds the aerosol generating device, and meanwhile, the heat is recovered to be secondarily heated and utilized by the aerosol forming substrate, so that the utilization rate of energy is improved.
Description
Technical Field
The invention belongs to the technical field of aerosol devices, and particularly relates to a heat insulation structure and an aerosol generating device.
Background
The heating non-combustible aerosol generating device mainly heats an aerosol generating substrate through a heating element to several hundred degrees centigrade to release aerosol particles, and then carries out aerosol through air flow transportation. This type of aerosol generating device volume is often less, and the heating region heat is more concentrated, leads to a large amount of heats easily to be transmitted to the heating region shell for the shell temperature of heating region reaches more than 45 ℃, surpasss the human comfortable temperature of holding, has also caused the loss of energy to a certain extent, and the too much transmission of heating region heat can cause certain potential safety hazard when to components such as battery simultaneously.
Disclosure of Invention
The invention aims to solve the defects in the prior art at least to a certain extent and provides a heat insulation structure and an aerosol generating device.
In order to achieve the above object, an embodiment of the present invention provides a thermal insulation structure applied in a housing of an aerosol generating device, including:
an opening at the upper end of the inner support bracket forms an accommodating cavity for accommodating aerosol-forming substrates, a through hole communicated with the accommodating cavity is formed in the middle of the bottom end of the inner support bracket, and an annular airflow cavity is formed between the outer wall of the inner support bracket and the inner wall of the shell;
the airflow partition is sleeved outside the inner support bracket and divides the airflow cavity into a first airflow channel and a second airflow channel from outside to inside, the upper ends of the first airflow channel and the second airflow channel are mutually communicated, the lower end of the second airflow channel is communicated with the through hole, and the first airflow channel is communicated with an air inlet formed in the shell;
the heat insulation base is arranged at the lower end inside the airflow separator and used for fixing the heating body, at least part of the heating body extends into the accommodating cavity through the through hole and is used for heating and accommodating the aerosol forming substrate in the accommodating cavity to generate aerosol.
Preferably, the air flow device further comprises a heat insulation element inner sleeve sleeved outside the inner support bracket, and the air flow cavity is formed between the inner wall of the heat insulation element inner sleeve and the outer wall of the inner support bracket.
Preferably, an annular vacuum heat insulation cavity is formed between the outer shell and the inner sleeve of the heat insulation element.
Preferably, an annular heat insulation element is further sleeved between the outer shell and the heat insulation element inner sleeve.
Preferably, the heat insulation element is made of aerogel or heat insulation cotton.
Preferably, the width of the second airflow channel gap is greater than the width of the first airflow channel gap, and the width of the second airflow channel gap gradually increases from top to bottom.
Preferably, the bottom end of the inner support bracket is further provided with a plurality of communicating holes at the side of the through hole, and the communicating holes are communicated with the accommodating cavity and the second airflow channel.
Preferably, the plurality of communication holes are circumferentially and uniformly distributed on the periphery of the bottom end of the inner support bracket.
Preferably, the heat insulation device further comprises a fixing support, a limiting ring is radially and convexly arranged on the inner wall of the airflow separating part, the heat insulation base is arranged in the airflow separating part and located below the limiting ring, and the upper end of the fixing support extends into the lower end of the airflow separating part and is connected through a buckle and/or a fastener, so that the heat insulation base is abutted to the limiting ring.
The embodiment of the invention also provides an aerosol generating device which comprises the heat insulation structure.
According to the embodiment of the invention, the inner part of the aerosol generating device is partitioned by the inner support bracket and the airflow partition to form the airflow channel, heat of the shell accessory is taken away through convection heat exchange of airflow so as to ensure the comfort when a user holds the aerosol generating device, and meanwhile, the heat is recovered to be secondarily heated and utilized by the aerosol forming substrate, so that the utilization rate of energy is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a block diagram of an aerosol generating device according to an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of an aerosol generating device according to an embodiment of the invention;
fig. 3 is a schematic structural view of the inner bracket in fig. 2.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention, and all other embodiments that can be obtained by one skilled in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of protection of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "circumferential", "radial", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 and 2, an embodiment of the present invention discloses an aerosol generating device, which includes a housing 200, and a heating element 300, a heat insulation structure, a control circuit board, and a power supply, which are disposed in the housing 200, wherein the heating element 300 is wrapped and fixed by the heat insulation structure, so as to separate the heating element 300 from the housing 200, the control circuit board, and the power supply, and reduce the heat generated by the heating element 300 from being transferred to the housing 200 and the power supply through the heat insulation structure, and the control circuit board is electrically connected to the heating element 300 and the power supply, respectively, for controlling the operation of the heating element 300; the power supply is, for example, a battery, which provides an output voltage of, for example, 2.0-5.0V.
As shown in fig. 2, which is a partial cross-sectional view of an aerosol generating device, specifically, the heat insulation structure disclosed in the embodiment of the present invention includes an inner support frame 10, an airflow partition 20, and a heat insulation base 30, an opening 11 at an upper end of the inner support frame 10 forms a receiving cavity for receiving an aerosol-forming substrate 100, a through hole 12 communicated with the receiving cavity is formed in a middle portion of a bottom end of the inner support frame 10, and an annular airflow cavity 70 is formed between an outer wall of the inner support frame 10 and an inner wall of a housing 200; the airflow partition 20 is sleeved outside the inner support bracket 10 and divides the airflow cavity 70 into a first airflow channel 71 and a second airflow channel 72 which are annular from outside to inside and have mutually communicated upper ends, the lower end of the second airflow channel 72 is communicated with the through hole 12, and the first airflow channel 71 is communicated with an air inlet 203 arranged on the shell 200; the heat insulating base 30 is disposed at a lower end inside the airflow partition 20, and is used for fixing the heating element 300, and the heating element 300 at least partially extends into the receiving cavity through the through hole 12, and is used for heating the aerosol-forming substrate 100 received in the receiving cavity to generate aerosol.
Wherein, this embodiment aerosol generating device's shell 200 divide into upper housing 201 and lower housing 202 that can dismantle the connection each other, and air inlet 203 forms the clearance department of mutually supporting between upper and lower housing 202, includes two at least, and locate the relative both sides of upper housing 201 relatively, and the rectangle is established to the shape of air inlet 203, so, when upper housing 201 assembles on lower housing 202, can hide air inlet 203 to a certain extent, the whole outward appearance of aerosol generating device that has avoided air inlet 203's the setting influence. The control circuit board and the power supply are both arranged inside the lower shell 202.
When a user sucks the aerosol-forming substrate 100, air enters from the air inlet 203, sequentially passes through the first air flow channel 71 and the second air flow channel 72 and passes through the through hole 12 at the bottom of the inner support bracket 10, enters into the aerosol-forming substrate 100 and is mixed with generated aerosol to be sucked by the user, meanwhile, heat transferred to the upper shell 201 direction by the heating element 300 is effectively taken away through convection heat exchange of the entering air flow, the temperature of the upper shell 201 can be effectively reduced, the comfort when the user holds the aerosol-forming substrate 100 is guaranteed not to be influenced by overhigh temperature of the outer wall of the upper shell 201, and the heat in the air flow channel is recovered to heat the aerosol-forming substrate 100, so that the energy utilization rate is improved.
The heat insulating base 30 has a ring-shaped structure, and an insulating material for fixing the heating element 300 is filled therein. Specifically, the filled insulating material is preferably glass cement filler, and may also be other high temperature resistant filling materials, and the heat insulation base 30 is preferably made of ceramic material, and may also be other high temperature resistant heat insulation materials. Thus, the heat generated by the heating element 300 can be reduced to be transmitted to the control circuit board and the power supply in the lower shell 202 through the heat insulation base 30, so as to ensure the use safety of the aerosol generating device.
It should be noted that, the inside of the heat insulation base 30 is provided with the spacing hole extending to the upper end of the heat insulation base 30 and the accommodating cavity extending to the lower end of the heat insulation base 30 and being larger than the spacing hole, the side wall convex of the lower end of the heat generating body 300 is adjacent to the spacing protrusion, during the assembly, the main body part of the upper end of the heat generating body 300 can be worn out from the accommodating cavity and the spacing hole in sequence until the spacing protrusion is stopped by the edge of the spacing hole, so that the spacing protrusion and the part of the heat generating body 300 connected with the pin under the spacing protrusion are completely positioned in the accommodating cavity, so that the heat generating body 300 and the heat insulation base 30 are quickly positioned, then the accommodating cavity can be filled with insulating materials, so that the heat generating body 300 and the. And the heating element 300 is electrically connected to the control circuit board through the connected pins.
In one embodiment, the upper housing 201 further has an inner insulating member sleeve 40 disposed around the inner bracket 10, and an airflow chamber 70 is formed between an inner wall of the inner insulating member sleeve 40 and an outer wall of the inner bracket 10. Thus, an annular vacuum heat insulation cavity may be formed between the upper case 201 and the heat insulation member inner 40, and the heat generated from the heating element 300 is further reduced from being transferred toward the outer wall of the upper case 201 through the vacuum heat insulation cavity. Of course, in this embodiment, a ring-shaped heat insulation element 50 is sleeved between the upper shell 201 and the inner sleeve 40 of the heat insulation element to further insulate the heat transfer, for example, the heat insulation element 50 is made of aerogel or heat insulation cotton, preferably aerogel felt.
In the heat insulation structure according to the embodiment of the present invention, the inner bracket 10, the airflow divider 20, the inner sleeve 40 of the heat insulation element, and the heat insulation element together form a transverse multi-layer heat insulation structure according to the present embodiment, that is, the inner bracket 10 serves as a carrier of the aerosol-forming substrate 100, is a first transverse heat insulation layer for heat leakage of the aerosol-forming substrate 100, and may be made of various heat insulation materials, and in the present embodiment, a polyether ether ketone (PEEK) material is preferably used, and the shape of the PEEK material may be designed according to the aerosol-forming substrate 100. The airflow divider 20 serves as a second lateral thermal insulation layer, which may be made of a metal material, so as to increase the heat exchange efficiency of the airflow, but in other embodiments, the airflow divider 20 may also be made of a heat reflective material, a film or a coating, etc. so as to reduce the radiation of heat toward the upper housing 201. The insulation member is filled between the inner sleeve 40 of the insulation member and the upper shell 201 as a third transverse insulation layer, so that the material of the insulation member 50 is prevented from being exposed. So cooperate with the design of airflow channel, can directly take away the heat near last casing 201 and carry out recycle in aerosol-forming substrate 100, promote the utilization ratio of energy when effectively reducing the outer wall temperature of last casing 201.
Preferably, the gap width of the first air flow channel 71 is 0.4mm, and the gap width of the second air flow channel 72 gradually increases from top to bottom, starting from 0.95mm at the uppermost end and gradually increasing to 1.2mm at the lowermost end. The greater velocity of the first air flow channel 71 is beneficial to enhance the convective heat transfer capability, thereby carrying away more heat near the wall of the housing 200. According to practical tests, when the temperature of the heating element 300 is increased to about 250 ℃, the temperature of the shell 200 is 32 ℃ at most, and when the temperature of the heating element 300 is increased to about 300 ℃, the temperature of the shell 200 is 41 ℃ at most, which are all within the temperature range allowable for holding by a human body.
In order to further improve the heat exchange efficiency between the airflow channel and the receiving cavity, as shown in fig. 3, a plurality of communication holes 13 for communicating the receiving cavity and the second airflow channel 72 are further formed at the bottom end of the inner support frame 10 beside the through hole, and when the aerosol-forming substrate 100 is inserted into the receiving cavity, each of the communication holes 13 exposes a portion of the bottom wall and the outer wall of the aerosol-forming substrate 100, so that air can more smoothly enter the aerosol-forming substrate 100 from the airflow channel. Preferably, the plurality of communication holes 13 are circumferentially and uniformly distributed on the periphery of the bottom end of the inner support frame 10, so that the generated aerosol can be better sucked away when a user sucks the aerosol, thereby improving the taste.
In one embodiment, the heat insulation structure of this embodiment further includes a fixed support 60, a limit ring 21 is radially and convexly disposed on the inner wall of the airflow partition 20, the heat insulation base 30 is disposed in the airflow partition 20 and located below the limit ring 21, and the upper end is provided with an annular step 31 adapted to the limit ring 21; the upper end of the fixed support 60 extends into the lower end of the airflow partition 20 and is connected with the lower end of the airflow partition 20 through the buckle 61 and/or the fastener 62, so that the heat insulation base 30 is abutted against the limit ring 21, at the moment, the upper surface of the heat insulation base 30 is flush with the upper surface of the limit ring 21, only one assembly gap is reserved between the heating assembly and the airflow partition 20, the phenomenon that residual oil in the aerosol forming substrate 100 leaks into a control circuit board and a power supply in the lower shell 202 is avoided to the greatest extent, and the use safety is guaranteed.
That is, the heat insulation base 30 and the fixing support 60 together form a vertical heat insulation structure, the heat insulation base 30 serves as a first vertical heat insulation structure, the fixing support 60 serves as a second vertical heat insulation structure, and the fixing support can be made of a high temperature resistant heat insulation material, preferably a polyether ether ketone (PEEK) material; thus, the thermal contact resistance between the heating element 300 and the lower shell 202 can be increased, and the heat conduction thickness is also increased, so that the heat transfer to the control circuit board and the power supply is reduced, and the safety, reliability and comfort of the heating non-combustion aerosol generating device in the working state are ensured.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In view of the above description of the technical solutions provided by the present invention, those skilled in the art will recognize that there may be variations in the technical solutions and the application ranges according to the concepts of the embodiments of the present invention, and in summary, the content of the present specification should not be construed as limiting the present invention.
Claims (10)
1. A thermal insulation structure for use in a housing of an aerosol generating device, comprising:
an opening at the upper end of the inner support bracket forms an accommodating cavity for accommodating aerosol-forming substrates, a through hole communicated with the accommodating cavity is formed in the middle of the bottom end of the inner support bracket, and an annular airflow cavity is formed between the outer wall of the inner support bracket and the inner wall of the shell;
the airflow partition is sleeved outside the inner support bracket and divides the airflow cavity into a first airflow channel and a second airflow channel from outside to inside, the upper ends of the first airflow channel and the second airflow channel are mutually communicated, the lower end of the second airflow channel is communicated with the through hole, and the first airflow channel is communicated with an air inlet formed in the shell;
the heat insulation base is arranged at the lower end inside the airflow separator and used for fixing the heating body, at least part of the heating body extends into the accommodating cavity through the through hole and is used for heating and accommodating the aerosol forming substrate in the accommodating cavity to generate aerosol.
2. The thermal insulation structure of claim 1, further comprising an inner sleeve of the thermal insulation element that is disposed outside the inner support bracket, wherein the airflow chamber is formed between an inner wall of the inner sleeve of the thermal insulation element and an outer wall of the inner support bracket.
3. The thermal insulation structure of claim 2, wherein an annular vacuum thermal insulation cavity is formed between the outer shell and the inner sleeve of the thermal insulation element.
4. The thermal insulation structure of claim 2, wherein an annular thermal insulation element is further sleeved between the outer shell and the inner sleeve of the thermal insulation element.
5. The insulation structure of claim 4, wherein the insulation element is made of aerogel or insulation wool.
6. The thermal insulation structure of claim 3, wherein the second air flow channel gap width is larger than the first air flow channel gap width, and the second air flow channel gap width gradually increases from top to bottom.
7. The heat insulation structure of claim 1, wherein the bottom end of the inner support bracket is further provided with a plurality of communication holes at the side of the through hole for communicating the accommodating cavity with the second airflow channel.
8. The heat insulation structure of claim 6, wherein the plurality of communication holes are circumferentially and uniformly distributed on the periphery of the bottom end of the inner support bracket.
9. The heat insulation structure of claim 1, further comprising a fixing support, wherein a limit ring is radially and convexly arranged on the inner wall of the airflow partition, the heat insulation base is arranged in the airflow partition and located below the limit ring, and the upper end of the fixing support extends into the lower end of the airflow partition and is connected with the lower end of the airflow partition through a buckle and/or a fastener, so that the heat insulation base is abutted against the limit ring.
10. An aerosol generating device comprising a thermal insulation structure as claimed in any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011383396.4A CN113171733A (en) | 2020-12-01 | 2020-12-01 | Heat insulation structure and aerosol generating device |
| PCT/CN2021/107799 WO2022116559A1 (en) | 2020-12-01 | 2021-07-22 | Heat insulation structure and aerosol generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011383396.4A CN113171733A (en) | 2020-12-01 | 2020-12-01 | Heat insulation structure and aerosol generating device |
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|---|---|
| CN113171733A true CN113171733A (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011383396.4A Pending CN113171733A (en) | 2020-12-01 | 2020-12-01 | Heat insulation structure and aerosol generating device |
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| CN (1) | CN113171733A (en) |
| WO (1) | WO2022116559A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022205712A1 (en) * | 2021-04-02 | 2022-10-06 | 深圳市卓力能技术有限公司 | Inner bearing bracket and aerosol generation device |
| WO2023011498A1 (en) * | 2021-08-02 | 2023-02-09 | 深圳市合元科技有限公司 | Aerosol generation device |
| WO2023035856A1 (en) * | 2021-09-07 | 2023-03-16 | 深圳麦时科技有限公司 | Aerosol generating device |
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| CN108741235A (en) * | 2018-08-10 | 2018-11-06 | 普维思信（北京）科技有限公司 | It is a kind of to heat the not apparatus for baking of burning cigarette and collaboration baking method |
| CN109315838A (en) * | 2018-11-02 | 2019-02-12 | 普维思信（北京）科技有限公司 | A kind of intelligent 3D soakage device, external member and its heating means heating not burning cigarette |
| WO2020218855A2 (en) * | 2019-04-25 | 2020-10-29 | Kt&G Corporation | Aerosol generating device |
| WO2020226458A2 (en) * | 2019-05-08 | 2020-11-12 | Kt&G Corporation | Aerosol generating device and aerosol generating system |
| CN210169064U (en) * | 2019-06-05 | 2020-03-24 | 珠海市爱仕格电子科技有限公司 | Heating non-burning smoking set |
| CN110353316A (en) * | 2019-08-14 | 2019-10-22 | 深圳市吉迩科技有限公司 | A kind of integrated electronic cigarette heater |
| CN111480892A (en) * | 2020-04-22 | 2020-08-04 | 深圳麦时科技有限公司 | Aerosol generating device |
| CN111466618A (en) * | 2020-06-15 | 2020-07-31 | 湖北中烟工业有限责任公司 | Cigarette bullet can automatic pop out's not burn electron cigarette utensil of heating |
| CN111904031A (en) * | 2020-07-24 | 2020-11-10 | 深圳麦时科技有限公司 | Aerosol generating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022205712A1 (en) * | 2021-04-02 | 2022-10-06 | 深圳市卓力能技术有限公司 | Inner bearing bracket and aerosol generation device |
| WO2023011498A1 (en) * | 2021-08-02 | 2023-02-09 | 深圳市合元科技有限公司 | Aerosol generation device |
| WO2023035856A1 (en) * | 2021-09-07 | 2023-03-16 | 深圳麦时科技有限公司 | Aerosol generating device |
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| Publication number | Publication date |
|---|---|
| WO2022116559A1 (en) | 2022-06-09 |
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