CN215992748U - Heating assembly and aerosol generating device with same - Google Patents
Heating assembly and aerosol generating device with same Download PDFInfo
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- CN215992748U CN215992748U CN202020926445.3U CN202020926445U CN215992748U CN 215992748 U CN215992748 U CN 215992748U CN 202020926445 U CN202020926445 U CN 202020926445U CN 215992748 U CN215992748 U CN 215992748U
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- Prior art keywords
- heating assembly
- heating element
- heating
- conductive element
- electrically insulating
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 197
- 239000000443 aerosol Substances 0.000 title claims abstract description 17
- 230000000391 smoking effect Effects 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims description 15
- 229910001120 nichrome Inorganic materials 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 239000011159 matrix material Substances 0.000 claims description 11
- 150000004767 nitrides Chemical class 0.000 claims description 7
- 229910021332 silicide Inorganic materials 0.000 claims description 7
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 7
- 229910001260 Pt alloy Inorganic materials 0.000 claims description 6
- 239000011195 cermet Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 229910001316 Ag alloy Inorganic materials 0.000 claims description 3
- 229910001020 Au alloy Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 239000003353 gold alloy Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000002887 superconductor Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 8
- 238000005452 bending Methods 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Resistance Heating (AREA)
Abstract
The utility model discloses a heating assembly and an aerosol generating device with the same. The heating assembly comprises a resistance heating element for converting electric energy into internal energy, wherein a first electric insulation base body is arranged inside and/or outside the resistance heating element, and an infrared layer used for emitting infrared rays outwards after being heated is arranged on the surface of the first electric insulation base body and/or the resistance heating element. The aerosol generating device comprises a shell, wherein a smoking medium accommodating part, the heating assembly and a power supply for supplying power to the heating assembly are arranged in the shell, and the resistance heating element, the first electric insulation base body and the infrared layer of the heating assembly are arranged in the smoking medium accommodating part together. The utility model can improve the heating efficiency and reduce the energy consumption, thereby improving the cruising ability of the power supply.
Description
Technical Field
The utility model belongs to the technical field of novel cigarettes, and particularly relates to a heating assembly and an aerosol generating device with the same.
Background
The electric heating low-temperature cigarette is an important direction for the current development of novel tobacco, and as the heater is an important part of the electric heating low-temperature cigarette, the heating efficiency of the heater and the heating uniformity can have important influence on the smoking taste and the continuity of the product. However, the conventional heater generally has the problems of low thermal efficiency, unstable heat generation, short life and poor stability.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a heating assembly and an aerosol generating device with the same aiming at the defects of the prior art, and the heating assembly can improve the heating efficiency and reduce the energy consumption.
In order to solve the technical problems, the utility model adopts the following technical scheme: a heating assembly comprises a resistance heating element for converting electric energy into internal energy, wherein a first electric insulation base body is arranged inside and/or outside the resistance heating element, and an infrared layer used for emitting infrared rays outwards after being heated is arranged on the surface of the first electric insulation base body and/or the resistance heating element.
In a particular embodiment, the infrared layer is made of a carbide, a silicide, a nitride or an oxide.
In a particular embodiment, the first electrically insulating matrix is made of a carbide, a silicide, a nitride or an oxide.
In a specific embodiment, the surface of the infrared layer is provided with a light transmissive layer for conducting and transmitting infrared light.
In a particular embodiment, both the interior and the exterior of the resistive heating element are provided with the first electrically insulating matrix, and the infrared layer is provided on the outer surface of the first electrically insulating matrix located outside and/or inside the resistive heating element.
In a particular embodiment, the resistive heating element, the first electrically insulating base, and the infrared layer are collectively for insertion into a smoking medium.
In a particular embodiment, the first electrically insulating substrate is provided on the inside of the resistive heating element, the infrared layer is provided on the outer surface of the resistive heating element, and the infrared layer is also provided on the outer surface of the first electrically insulating substrate.
In a specific embodiment, the heating assembly includes a second electrically insulating base disposed on a bottom of the first electrically insulating base and an electrically conductive element disposed on a bottom of the resistive heating element and electrically connected to the resistive heating element.
In a particular embodiment, the electrically conductive element and the resistive heating element are co-located at a position between the first electrically insulating substrate and the second electrically insulating substrate.
In a particular embodiment, the cross-sectional area of the conductive element is equal to or greater than the cross-sectional area of the resistive heating element.
In a specific embodiment, the resistive heating element and the electrically conductive element are made of the same material, and the electrical resistance of the electrically conductive element is less than the electrical resistance of the resistive heating element.
In a particular embodiment, the resistive heating element and the electrically conductive element are both made of a ceramic, metal, or alloy.
In one embodiment, the resistive heating element and the conductive element are made of nichrome, platinum alloy, tungsten, nichrome, or a cermet compound.
In one embodiment, the resistive heating element and the electrically conductive element are each made of a different material, and the electrically conductive element has a resistivity less than the resistivity of the resistive heating element.
In one embodiment, the resistive heating element is made of nichrome, platinum alloy, tungsten, nichrome or cermet compound and the conductive element is made of gold, silver, copper, gold alloy, silver alloy, copper alloy or superconductor material.
In a particular embodiment, the heating assembly further comprises a mount connected to the second electrically insulating base and/or the electrically conductive element for securing the heating assembly within an aerosol generating device.
In a specific embodiment, the heating assembly further comprises a plurality of electrodes, each disposed at the bottom of the conductive element and used for connecting an external power source.
In a particular embodiment, the resistive heating element, the first electrically insulating matrix and the infrared layer are collectively arranged in a circular, elliptical or polygonal cross-section.
In one embodiment, the top of the heating assembly is provided with a tapered or pointed end.
An aerosol generating device comprises a housing, a smoking medium containing portion, a heating assembly and a power supply for supplying power to the heating assembly are arranged in the housing, and the resistance heating element, the first electrical insulating base body and the infrared layer of the heating assembly are arranged in the smoking medium containing portion.
In a specific embodiment, a control part is arranged in the shell and used for controlling the heating power of the heating assembly.
Compared with the prior art, the utility model has the beneficial effects that:
1. the heating assembly is provided with the resistance heating element and the infrared layer, so that the heat conduction heating and the radiation heating of the heating assembly can be realized simultaneously, the heating efficiency can be obviously improved, the energy consumption is reduced, the cruising ability of a power supply is enhanced, the fuming medium can be heated more uniformly, and the heating effect is good.
2. The first and second electric insulation substrates of the heating assembly are made of at least one of carbide, silicide, nitride and oxide, so that the heating efficiency and the heating effect of the heating assembly can be further improved.
3. The heating assembly is provided with the light transmission layer, so that the surface smoothness of the heating assembly and the service life of a product can be kept.
4. The cross section area of the conductive element is larger than or equal to that of the resistance heating element, so that heat can be generated by the resistance heating element, energy loss is prevented, and the integral bending strength of the heating assembly can be improved.
5. The heating assembly of the present invention also includes a base that can quickly secure the heating assembly within the aerosol generating device.
6. The top of the heating assembly of the present invention is provided with a tapered or pointed end to facilitate insertion into the interior of a smoking medium.
7. The aerosol generating device comprises the heating assembly, so that the heating efficiency can be obviously improved, the energy consumption is reduced, the cruising ability of a power supply is enhanced, the fuming medium can be heated more uniformly, and the heating effect is good.
8. The aerosol generating device is provided with the control part, the heating power of the heating assembly can be controlled, so that the temperature of the heating assembly can be controlled in real time, the temperature of the heating assembly is kept at the appropriate temperature in real time to heat the fuming medium, the fuming medium is prevented from being overheated or insufficiently heated, the smoke of the fuming medium is in the state suitable for being sucked, and the user experience is good.
Drawings
FIG. 1 shows a schematic structural view of one embodiment of a heating assembly of the present invention;
FIG. 2 shows a schematic cross-sectional view A-A of FIG. 1;
FIG. 3 shows a schematic structural view of another embodiment of a heating assembly of the present invention;
FIG. 4 shows a schematic structural view of yet another embodiment of a heating assembly of the present invention;
FIG. 5 shows a schematic cross-sectional view B-B of FIG. 4;
FIG. 6 shows a schematic structural view of yet another individual embodiment of a heating assembly of the present invention;
figure 7 shows a schematic structural view of a particular embodiment of an aerosol generating device of the utility model having the heating assembly;
figure 8 shows a schematic diagram of a comparison of the aerosol-generating device of the utility model having the heating assembly of the aerosol-generating device of the utility model of smoke release concentration and temperature.
Wherein, 100-heating assembly; 1-a resistive heating element; 2-a first electrically insulating substrate; 3-an infrared layer; 4-a second electrically insulating substrate; 5-a conductive element; 6-an electrode; 7-a base; 8-a smoking medium; 9-a housing; 10-a smoking medium receptacle; 11-a power supply; 12-a control section.
Detailed Description
The utility model will be further described with reference to examples of embodiments shown in the drawings.
As shown in fig. 1 to 6, the heating assembly 100 of the present invention includes a resistance heating element 1 for converting electric energy into internal energy, a first electrically insulating base 2 is disposed inside and/or outside the resistance heating element 1, and an infrared layer 3 (shown in fig. 2 and 5) for emitting infrared rays to the outside after being heated is disposed on the surface of the first electrically insulating base 2 and/or the resistance heating element 1. During the use, when electric current was through resistance heating element 1, resistance heating element 1 can produce the heat, and the heat that produces can conduct to first electrical insulation base member 2 for infrared layer 3 is heated and is produced infrared wave, can realize heating assembly 100's conduction heating and radiant heating, and heating efficiency is high, and heats effectually.
In a specific embodiment, the infrared layer 3 is made of at least one of carbide, silicide, nitride, and oxide.
In a specific embodiment, the first-electrically insulating substrate 2 is made of at least one of carbide, silicide, nitride, and oxide, which can further improve the heating efficiency and heating effect of the heating assembly 100.
In a particular embodiment, the infrared layer 3 and/or the first electrically insulating matrix 2 are capable of generating infrared waves in the wavelength range of 1 to 25 microns.
In a specific embodiment, the surface of the infrared layer 3 is provided with a light-transmitting layer for conducting and transmitting infrared light, which can keep the surface of the heating assembly 100 smooth and the service life of the product.
In a specific embodiment, as shown in fig. 1 and fig. 2, the first electrically insulating base 2 is disposed inside and outside the resistance heating element 1, and the infrared layer 3 is disposed on the outer surface of the first electrically insulating base 2 outside the resistance heating element 1, so that the heating efficiency is high and the heating effect is good. And the first electric insulation base body 2 positioned in the resistance heating element 1, the resistance heating element 1 and the first-electric insulation base body 2 positioned outside the resistance heating element 1 are arranged side by side, so that the structure is attractive, and the use is convenient.
In a particular embodiment, the resistive heating element 1 and the first electrically insulating substrate 2 are provided in one piece.
In a particular embodiment, the resistive heating element 1 and the first electrically insulating substrate 2 are provided as separate bodies.
In a particular embodiment, as shown in fig. 4, 5, the interior of the resistive heating element 1 is provided with a first electrically insulating matrix 2. The outer surface of the resistance heating element 1 is provided with the infrared layer 3, the outer surface of the first electric insulation base body 2 is also provided with the infrared layer 3, the heating efficiency is high, and the heating effect is good. And the resistance heating element 1 and the first electric insulation base body 2 are arranged side by side, so that the structure is attractive and the use is convenient.
In one particular embodiment, as shown in FIGS. 1-6, the heating assembly 100 includes a second electrically insulative base 4 and an electrically conductive member 5. Wherein the second electrically insulating base 4 is arranged at the bottom of the first electrically insulating base 2 and the electrically conductive element 5 is arranged at the bottom of the resistance heating element 1 and is electrically connected to the resistance heating element 1.
In a particular embodiment, as shown in fig. 1, 3, the electrically conductive element 5 and the resistive heating element 1 are co-located at a position between the first electrically insulating substrate 2 and the second electrically insulating substrate 4.
In one particular embodiment, as shown in fig. 4, the cross-sectional area of the conductive element 5 is equal to the cross-sectional area of the resistive heating element 1.
In a specific embodiment, the resistive heating element 1 and the electrically conductive element 5 are made of the same material, and the electrical resistance of the electrically conductive element 5 is less than the electrical resistance of the resistive heating element 1.
In a particular embodiment, both the resistive heating element 1 and the conductive element 5 are made of ceramic, metal or alloy.
In a particular embodiment, the resistive heating element 1 and the conductive element 5 are made of nichrome, platinum alloy, tungsten, nichrome or a cermet compound.
In a specific embodiment, the resistive heating element 1 and the conductive element 5 are made of different materials, respectively, and the resistivity of the conductive element 5 is smaller than the resistivity of the resistive heating element 1.
In a particular embodiment, the resistive heating element 1 is made of at least one of nichrome, platinum alloy, tungsten, nichrome, and a cermet compound. The conductive member 5 is made of at least one of gold, silver, copper, gold alloy, silver alloy, copper alloy, and superconductor material.
In a specific embodiment, as shown in fig. 1, 3, 6, the cross-sectional area of the conductive element 5 is equal to or greater than the cross-sectional area of the resistive heating element 1. When the resistance heating element 1 and the conductive element 5 are made of the same material, the cross-sectional area of the conductive element 5 is larger than the cross-sectional area of the resistance heating element 1, and the resistance value of the conductive element 5 can be reduced so that heat is mainly generated from the resistance heating element 1. Meanwhile, the bending strength of the conductive element 5 is higher than that of the second electric insulation base 4, and the overall bending strength of the heating assembly can be improved. When the resistance heating element 1 and the conductive element 5 are made of different materials, the cross-sectional area of the conductive element 5 is larger than or equal to the cross-sectional area of the resistance heating element 1, and the resistance value of the conductive element 5 can be reduced by combining that the resistivity of the conductive element 5 is smaller than that of the resistance heating element 1, so that heat is mainly generated by the resistance heating element 1.
In a particular embodiment, the second electrically insulating base 4 and the electrically conductive element 5 are provided in one piece.
In a particular embodiment, the second electrically insulating base 4 and the electrically conductive element 5 are arranged separately.
In a particular embodiment, as shown in fig. 1, 3, 4, the heating assembly 100 further comprises a plurality of electrodes 6. A plurality of electrodes 6 are each provided at the bottom of the conductive member 5 and are used for connection to an external power supply.
In a particular embodiment, as shown in fig. 3, 4, the heating assembly 100 further comprises a base 7 connected to the second electrically insulating base 4 and/or the electrically conductive element 5, the base 7 being used to secure the heating assembly 100 within the aerosol generating device.
In a specific embodiment, the resistive heating element 1, the first electrically insulating base body 2 and the infrared layer 3 are used together for insertion into a smoking medium 8 (as shown in fig. 7), which can heat the smoking medium 8 with high heating efficiency and good heating effect.
In a particular embodiment, the resistive heating element 1, the first electrically insulating matrix 2 and the infrared layer 3 are arranged together in a circular, elliptical, square, rectangular or polygonal cross-section.
In a particular embodiment, as shown in fig. 1, 3, 4, the top of the heating assembly 100 is provided with a tapered or pointed end to facilitate insertion into the interior of the smoking medium 8.
As shown in fig. 7, the aerosol generating device of the present invention includes a housing 9, a smoking medium container 10, a heating assembly 100, and a power supply 11 for supplying power to the heating assembly 100 are disposed in the housing 9, and the resistive heating element 1, the first electrically insulating base body 2, and the infrared layer 3 are disposed in the smoking medium container 10, and can be used to heat the smoking medium 8, so that the heating efficiency is high, and the heating effect is good.
In a specific embodiment, a control portion 12 is disposed in the housing 9, and the control portion 12 is used for controlling the heating power of the heating assembly 100. Specifically, the control part 12 can control the power supply 11 to supply power to the heating element 100, and control the power supply 11 to output the electric quantity of the heating element 100, so as to control the temperature of the heating element 100 in real time, so that the temperature of the heating element 100 is kept at a proper temperature (for example, 150 to 350 ℃) in real time to heat the smoking medium 8, and the smoking medium 8 is prevented from being overheated or insufficiently heated, so that the smoke of the smoking medium 8 is in a state suitable for smoking.
As shown in fig. 8, the temperature required by the heating element 100 of the present invention is T2 (in degrees celsius) and the temperature required by the non-infrared heating element 100 is T1 (in degrees celsius) at the same atomization level C1 (aerosol emission concentration in mg/mouth), with T2 being less than T1, indicating that the heating element 100 of the present invention can produce better atomization at lower temperatures, as compared to the thermal efficiency of the heating element 100 of the present invention.
The protective scope of the present invention is not limited to the above-described embodiments, and it is apparent that various modifications and variations can be made to the present invention by those skilled in the art without departing from the scope and spirit of the present invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (19)
1. A heating assembly is characterized by comprising a resistance heating element for converting electric energy into internal energy, wherein a first electric insulation base body is arranged inside and/or outside the resistance heating element, and an infrared layer used for emitting infrared rays outwards after being heated is arranged on the surfaces of the first electric insulation base body and the resistance heating element.
2. The heating element of claim 1, wherein the infrared layer is made of a carbide, a silicide, a nitride or an oxide.
3. The heating element of claim 1, wherein the first electrically insulating matrix is made of a carbide, a silicide, a nitride, or an oxide.
4. A heating assembly according to claim 1, wherein a surface of the infrared layer is provided with a light transmissive layer for conducting heat and transmitting infrared light.
5. The heating assembly of claim 1, wherein both the interior and exterior of the resistive heating element are provided with the first electrically insulating matrix, and the infrared layer is provided on an outer surface of the first electrically insulating matrix located outside and/or inside the resistive heating element.
6. The heating assembly of claim 1, wherein the resistive heating element, the first electrically insulating base, and the infrared layer are collectively for insertion into a smoking medium.
7. The heating assembly of claim 1, comprising a second electrically insulating base disposed at a bottom of the first electrically insulating base and an electrically conductive element disposed at a bottom of and electrically connected to the resistive heating element.
8. The heating assembly of claim 7, wherein the electrically conductive element and the resistive heating element are collectively disposed at a location between the first electrically insulative substrate and the second electrically insulative substrate.
9. The heating assembly of claim 7, wherein the cross-sectional area of the electrically conductive element is equal to or greater than the cross-sectional area of the resistive heating element.
10. The heating assembly of claim 7, wherein the resistive heating element and the electrically conductive element are made of the same material, and the electrical resistance of the electrically conductive element is less than the electrical resistance of the resistive heating element.
11. The heating assembly of claim 10, wherein the resistive heating element and the electrically conductive element are each made of a ceramic, a metal, or an alloy.
12. The heating assembly of claim 11 wherein the resistive heating element and the electrically conductive element are each made of nichrome, platinum alloy, tungsten, nichrome, or a cermet compound.
13. The heating assembly of claim 7, wherein the resistive heating element and the electrically conductive element are each made of a different material, and the electrically conductive element has a resistivity less than the resistivity of the resistive heating element.
14. The heating assembly of claim 13, wherein the resistive heating element is made of nichrome, platinum alloy, tungsten, nichrome or a cermet compound and the conductive element is made of gold, silver, copper, gold alloy, silver alloy, copper alloy or a superconductor material.
15. A heating assembly as claimed in claim 7, further comprising a mount connected to the second electrically insulating base and/or the electrically conductive element for securing the heating assembly within an aerosol generating device.
16. The heating assembly of claim 7, further comprising a plurality of electrodes each disposed at a bottom of the conductive element and adapted to be connected to an external power source.
17. The heating assembly of claim 1, wherein the resistive heating element, the first electrically insulating matrix, and the infrared layer are collectively arranged in a circular, elliptical, or polygonal cross-section.
18. The heating assembly of claim 1, wherein the top of the heating assembly is provided with a tapered or pointed end.
19. An aerosol generating device comprising a housing in which is disposed a smoking media receptacle, a heating assembly according to any one of claims 1 to 17 and a power supply for supplying power to the heating assembly, the resistive heating element, the first electrically insulating substrate and the infrared layer of the heating assembly being collectively disposed within the smoking media receptacle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020926445.3U CN215992748U (en) | 2020-05-27 | 2020-05-27 | Heating assembly and aerosol generating device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020926445.3U CN215992748U (en) | 2020-05-27 | 2020-05-27 | Heating assembly and aerosol generating device with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215992748U true CN215992748U (en) | 2022-03-11 |
Family
ID=80581037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020926445.3U Active CN215992748U (en) | 2020-05-27 | 2020-05-27 | Heating assembly and aerosol generating device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215992748U (en) |
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2020
- 2020-05-27 CN CN202020926445.3U patent/CN215992748U/en active Active
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