CN113712265A

CN113712265A - Aerosol raw product, electronic atomizer and atomization system

Info

Publication number: CN113712265A
Application number: CN202111171326.7A
Authority: CN
Inventors: 蒋振龙; 肖从文; 肖令荣; 李亚飞; 唐根初
Original assignee: Hainan Moore Brothers Technology Co Ltd
Current assignee: Hainan Moore Brothers Technology Co Ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2021-11-30
Also published as: JP2023057041A; KR20230051074A; EP4162817A1; US20230114383A1

Abstract

The invention relates to an aerosol production product, an electronic atomizer and an atomization system. The aerosol generating product comprises an aerosol generating substrate, wherein the aerosol generating substrate is a solid substrate, and the aerosol generating product can generate heat under the action of an alternating electric field to be atomized into aerosol. The aerosol product has self-heating and good taste.

Description

Aerosol raw product, electronic atomizer and atomization system

Technical Field

The invention relates to the technical field of atomization, in particular to an aerosol production product, an electronic atomizer and an atomization system.

Background

Electronic nebulizers are devices that form aerosols, primarily by heating aerosol-generating products. Wherein, the aerosol can be generated by heating a non-combustion electronic atomizer (HNB) to bake an aerosol finished product at a low temperature (Not more than 450 ℃), and a large amount of harmful substances can Not be brought by pyrolysis, so the non-combustion electronic atomizer is popular among people.

The traditional heating mode of the non-combustible heating electronic atomizer is a contact heating technology, namely, a heat source (a sheet type heating element, a needle type heating element and an electromagnetic induction heating element) outside an aerosol raw product conducts heat to the aerosol raw product, and the aerosol raw product atomizes effective components in the aerosol raw product after absorbing the heat to generate aerosol. However, the heating body of the electronic atomizer based on the conventional contact heating technology is easily adhered with dirt generated by heat generation, is inconvenient to clean, and easily influences the smoking taste.

Disclosure of Invention

Based on this, it is necessary to provide an aerosol raw product, which generates heat when being matched with an electronic atomizer generating an alternating electric field, and the electronic atomizer at this time does not need a heating body, so that the situation that the sucking taste is affected by dirt deposited on the heating body is avoided, and meanwhile, the electronic atomizer is more convenient to use by avoiding cleaning the heating body.

In addition, an electronic atomizer and an atomization system which are convenient to use and can improve the smoking mouthfeel of aerosol products are further provided.

An aerosol-generating article comprising an aerosol-generating substrate, the aerosol-generating substrate being a solid substrate; the aerosol production product can generate heat under the action of an alternating electric field to atomize to form aerosol.

Above-mentioned aerosol formation article include aerosol formation substrate, and aerosol formation substrate is solid substrate, and aerosol formation article can generate heat and atomize and form aerosol under alternating electric field's effect, and aerosol formation article generate heat fast, and owing to need not set up the heat-generating body with its supporting electronic atomizer, avoided deposit dirt on the heat-generating body and influence the suction taste, make electronic atomizer's use more convenient simultaneously.

In one embodiment, the aerosol-generating substrate comprises polar molecules.

In one embodiment, the polar molecule is at least one of water, alcohols, aldehydes, ketones, lipids, phenols, terpenes, and lower fatty acids.

In one embodiment, the frequency of the alternating electric field is 10MHz to 5 GMHz.

In one embodiment, the aerosol-generating article further comprises a thermal promoter material proximate the aerosol-generating substrate.

In one embodiment, the dielectric loss factor of the heat-assisting material is greater than the dielectric loss factor of the aerosol-generating substrate under the influence of the alternating electric field.

In one embodiment, the heat-assist material is an attenuating ceramic.

In one embodiment, the water content of the aerosol-generating substrate is from 6 wt% to 18 wt%.

In one embodiment, the water content of the aerosol-generating substrate is from 8 wt% to 14 wt%.

An electronic atomizer comprises a power supply module and an alternating electric field generating module, wherein the power supply module supplies power to the alternating electric field generating module, and the alternating electric field generating module is used for generating an alternating electric field which can enable an aerosol generating substrate of an aerosol generating product to generate heat to form aerosol.

In one embodiment, the waveform of the alternating voltage generating the alternating electric field is a sine wave, a square wave or a sawtooth wave.

In one embodiment, the alternating electric field generating module comprises an alternating voltage generator, a first electrode and a second electrode; the alternating voltage generator provides alternating voltage for the first electrode and the second electrode to form an alternating electric field between the first electrode and the second electrode; at least part of the area where the alternating electric field is distributed is provided with an accommodation space which can accommodate the aerosol generating substrate.

In one embodiment, the first electrode is plate-shaped or cylindrical; the second electrode is plate-shaped or cylindrical.

In one embodiment, the first electrodes are plural, the first electrodes are spaced apart, the second electrodes are plural, the second electrodes are spaced apart, and the alternating voltage generator may provide alternating voltages to the first electrodes and the corresponding second electrodes according to a preset pattern.

In one embodiment, the preset mode is segmented heating with different powers or sequential segmented heating.

In one embodiment, the electronic atomizer further comprises an electromagnetic shield for shielding or attenuating an electromagnetic spill field excited by the alternating electric field.

In one embodiment, the electronic atomiser further comprises a temperature sensor for feeding back the temperature of the aerosol-generating substrate to the controller, and a controller for controlling the output of the alternating voltage generator to control the heat-generating temperature of the aerosol-generating substrate in dependence on the temperature fed back by the temperature sensor.

An atomization system comprises the aerosol production product and the electronic atomizer matched with the aerosol production product.

Drawings

FIG. 1 is a schematic view of an atomization system according to one embodiment;

FIG. 2 is a schematic cross-sectional view of an equivalent capacitor of the atomization system shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of an equivalent capacitor according to another embodiment;

FIG. 4 is a schematic cross-sectional view of an equivalent capacitor and electromagnetic shield of another embodiment;

FIG. 5 is a schematic cross-sectional view of an equivalent capacitor and electromagnetic shield of another embodiment;

FIG. 6 is a schematic diagram of a plurality of equivalent capacitors of another embodiment;

FIG. 7 is a schematic diagram of an equivalent capacitor of another embodiment;

FIG. 8 is a schematic diagram of a plurality of equivalent capacitors according to another embodiment.

Reference numerals:

10. an atomization system; 100. aerosol to produce finished product; 110. an aerosol-generating substrate; 120. a temperature sensor; 200. an electronic atomizer; 210. a first electrode; 220. a second electrode; 230. an electromagnetic shield.

Detailed Description

The present invention will now be described more fully hereinafter for purposes of facilitating an understanding thereof, and may be embodied in many different forms and are not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. When the terms "vertical," "horizontal," "left," "right," "upper," "lower," "inner," "outer," "bottom," and the like are used to indicate an orientation or positional relationship, it is for convenience of description only based on the orientation or positional relationship shown in the drawings, and it is not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 and 2, an embodiment of the present application provides a nebulizing system 10, the nebulizing system 10 including an aerosol production product 100 and an electronic nebulizer 200 adapted to the aerosol production product 100.

The aerosol-forming product 100 can generate heat under the action of the alternating electric field generated by the electronic atomizer 200 to atomize into aerosol. Aerosols are suspensions of solid particles or liquid droplets in a gas (e.g., air).

In particular, the aerosol-generating article 100 comprises a packaging layer (not shown) and an aerosol-generating substrate 110.

The packaging layer serves as an outer package for packaging other components of the aerosol-generating article 100 (e.g. the aerosol-generating substrate 110). In some embodiments, the packaging layer is at least one of a wrapper and a plastic. In some embodiments, the aerosol starting product 100 is in the shape of a cylinder. Correspondingly, the packaging layer is cylindrical (e.g., cylindrical). In one embodiment, the sol-gel green article is in the form of a cylinder, and the aerosol-green article 100 comprises an aerosol-forming substrate, a hollow tubular element and a mouthpiece arranged in sequence on and defined by a central axis of a wrapper. The hollow tubular element is located between the aerosol-forming substrate and the mouthpiece and serves to extend the distance of the aerosol to reach the mouthpiece, providing a cushioning effect. In some embodiments, a cooling element for cooling the aerosol is also provided in the hollow tubular element. In one embodiment, a filter material (e.g., cellulose acetate) is also disposed within the mouthpiece. In one embodiment, an aerosol cooling element is also provided between the hollow tubular element and the mouthpiece to avoid over-burning of the aerosol. It will be appreciated that in some embodiments, the aerosol-generating product 100 is an aerosol-generating substrate 110. That is, the aerosol generating article 100 in this case omits the wrapping layer, the hollow tubular member, the mouthpiece, and the cooling member. It is understood that in some embodiments, the above-described elements may also be included in part.

In some embodiments, the aerosol-generating substrate 110 is capable of being atomised to form an aerosol by generating heat under the influence of an alternating electric field. The aerosol-generating substrate 110 is complex in composition and, at the molecular level, the natural state of the aerosol-generating substrate 110 contains a disordered ordering of molecules; the polar molecules in the aerosol-generating substrate 110 are subjected to an electric field force under the influence of an electric field to rotate due to their non-zero dipole moment; under the action of an alternating electric field with a certain frequency, polar molecules can rotate or vibrate, and friction and collision occur among the molecules to generate heat. Therefore, the alternating electric field heating is to place a medium in an alternating electric field with a specific frequency, polar molecules in the medium rotate or vibrate at a high speed under the action of the alternating electric field to generate friction and collision, so that the medium generates heat, wherein the frequency of the alternating electric field for generating heat of the medium is related to the property of the medium, so that the alternating electric field heating can selectively heat. Under the action of the alternating electric field, the aerosol-generating substrate 110 generates heat quickly and uniformly, which results in a high utilization of the aerosol-generating substrate 110; moreover, the aerosol generating substrate 110 can be atomized to form aerosol through self internal heating, and the electronic atomizer 200 matched with the aerosol generating substrate does not need to be provided with a heating body, so that the phenomenon that the smoking taste is influenced by dirt deposited on the heating body is avoided, and the electronic atomizer 200 is more convenient to use.

In particular, the aerosol-generating substrate 110 comprises polar molecules. In some embodiments, the polar molecule is at least one of water, alcohols, aldehydes, ketones, lipids, phenols, terpenes, and lower fatty acids. Water is a very polar molecule and, in higher amounts in the aerosol-generating substrate 110, can be used as a heat generating substance to atomise the aerosol-generating substrate 110 into an aerosol. In one embodiment, the water content of the aerosol-generating substrate 110 is between 6 wt% and 18 wt%. Further, the aerosol-generating substrate 110 has a water content of 8 wt% to 14 wt%. Alcohols, aldehydes, ketones, lipids, phenols, terpenes, and lower fatty acids have polarity and can be heated by an alternating electric field of appropriate frequency. In some embodiments, at least one of the alcohols, aldehydes, ketones, lipids, phenols, terpenes, and lower fatty acids is primarily used as the flavoring, but the alcohols, aldehydes, ketones, lipids, phenols, terpenes, and lower fatty acids used as the flavoring are generally low in content and cannot be used independently for generating heat or are not effective significantly, and need to be combined with other polar molecules (e.g., water) to generate heat. It will be appreciated that in some embodiments, at least one of an alcohol, an aldehyde, a ketone, a lipid, a phenol, a terpene, and a lower fatty acid may also act as a heat generating substance, in amounts sufficient to aerosolize the aerosol-generating substrate 110 to form an aerosol.

In some embodiments, the aerosol-generating substrate 110 is a solid substrate. Optionally, the aerosol-generating substrate 110 is at least one of a powder, a granule, a tablet, a filament, a tube (spaghettis), and a stick. It will be appreciated that the shape of the solid aerosol-generating substrate 110 is not limited to that described above, but may be other shapes.

In particular, the aerosol-generating substrate 110 comprises a functional material and a substrate material. The functional material enables the aerosol-generating substrate 110 to generate an aerosol; the substrate material provides support for the functional material to shape the aerosol-generating substrate 110. More specifically, the functional material includes a volatile fragrance substance and an aerosol-forming agent. An aerosol former for forming an aerosol; the volatile fragrant substance is used for endowing the aerosol with fragrance, and the amount and the type of the volatile fragrant substance and the aerosol can be selected and matched according to the requirements.

The volatile aroma substances are from natural raw materials or synthesized artificially. Optionally, the volatile aroma is selected from at least one of alcohols, aldehydes, ketones, lipids, phenols, terpenes and lower fatty acids having aroma. In one embodiment, the volatile aromatic substance is an extract of at least one of a leaf, a stem, a root, and a flower of the plant. Of course, the volatile aroma substances can be selected and matched according to actual requirements. It will be appreciated that in some embodiments, the volatile fragrance material may be omitted.

Optionally, the aerosol former comprises water and/or other polar molecules. As mentioned above, water is a polar molecule with good polarity, and can generate heat in an alternating electric field to play a heating role. In one embodiment, the aerosol-generating substrate 110 is a solid substrate and the water content of the aerosol-generating substrate 110 is between 6 wt% and 18 wt%. Further, the aerosol-generating substrate 110 has a water content of 8 wt% to 14 wt%. Optionally, the other polar molecule is selected from at least one of triethylene glycol, butylene glycol, glycerol, and propylene glycol. It is understood that in other embodiments, other polar molecules are not limited to the above.

In some embodiments, the matrix material is made from a natural raw material with a volatile fragrance substance; the aerosol-generating substrate 110 is formed from a substrate material mixed with a functional material. In one embodiment, the substrate material is at least one of a leaf, a stem, a root, and a flower of a plant. In an alternative specific example, the plant is a herb. Under the action of the alternating electric field pair, the natural material with the volatile aroma substances can release the aroma substances and form aerosol. It will be appreciated that where the matrix material is made from a natural source having a volatile flavour substance (e.g. a herb), the functional material may be omitted as both the volatile flavour substance and the aerosol former may be provided by the matrix material. The moisture content of the plant is sufficient to cause the plant to be heated under the action of the alternating electric field to atomize and form aerosol. For example, the water content of the plant is 6 wt% to 18 wt% at this time.

In an alternative specific example, the substrate material is tobacco. The main components in tobacco are insoluble polysaccharides such as starch, cellulose and pectin. The content of starch in the mature tobacco is 10 to 30 percent; cellulose is a basic substance for constituting the cell tissue and skeleton of tobacco, the content of cellulose in the tobacco is generally about 11 percent, and the cellulose increases along with the reduction of the tobacco grade; the content of pectin in tobacco is about 12%, and pectin affects physical properties such as elastic toughness of tobacco, and due to the presence of pectin, the elastic toughness of tobacco increases when the tobacco contains much water, and the tobacco becomes brittle when the water content is low. Of course, where the substrate material is tobacco, the functional material may be omitted, in which case the moisture content of the tobacco is sufficient to cause the tobacco to be heated under the influence of the alternating electric field and atomised to form an aerosol. For example, the moisture content of the tobacco at this time is 6 wt% to 18 wt%.

In other embodiments, the matrix material is a synthetic material. In one embodiment, the matrix material is a porous material, and the functional material is filled in the matrix material. In another embodiment, the substrate material is in the form of particles, filaments, flakes or powder, the functional material is dispersed in the substrate material, and the aerosol-generating substrate 110 is formed by mixing the functional material with the substrate material. When the matrix material is a synthetic material, the matrix material serves only as a carrier and does not release the fragrant substance. In particular, the matrix material is an artificially synthesized porous material. Such as a porous polymer.

The frequency of the alternating electric field required by the aerosol-generating substrate 110 to produce an aerosol is in the range 10MHz to 5 GMHz. In some embodiments, the frequency of the alternating electric field required for the aerosol-generating substrate to generate an aerosol is in the range of 10MHz to 49 MHz. In an alternative specific example, the frequency of the alternating electric field required for the aerosol-generating substrate to generate the aerosol is 10MHz, 15MHz, 20MHz, 25MHz, 30MHz, 35MHz, 40MHz or 49 MHz. In other embodiments, the alternating electric field required to generate the aerosol from the aerosol generating substrate has a frequency of 981MHz to 5 GMHz. In an alternative specific example, the frequency of the alternating electric field required for the aerosol-generating substrate to generate the aerosol is 985MHz, 1000MHz, 1GHz, 1.5GHz, 2GHz, 2.5GHz, 3GHz, 3.5GHz, 4GHz or 4.5 GHz.

In some embodiments, the aerosol-generating article 100 further comprises a thermal promoter material proximate the aerosol-generating substrate 110. In particular, the heat-assisting material is located in the aerosol-generating substrate 110. Further, a heat assisting material is dispersed in the aerosol-generating substrate 110. Dispersing the heat-assisting material in the aerosol-generating substrate 110 may allow the aerosol-generating substrate 110 to be heated uniformly, which in turn may allow the aerosol formed by the aerosol-generating substrate 110 to be more consistent. It will be appreciated that in some embodiments, the thermal promoter material is not limited to being dispersed in the aerosol-generating substrate, but may also be in the form of a sheet, rod, needle, or the like, proximate to the aerosol-generating substrate 110, so as to conduct heat to the aerosol-generating substrate 110.

In some embodiments, the heat-assisting material is a material that generates heat more readily and/or more efficiently in an alternating electric field to which the aerosol-generating substrate 110 is subjected than the aerosol-generating substrate 110. In this case, part of the heat source for atomisation of the aerosol-generating substrate 110 is the heat generated by itself under the alternating electric field and the other part is the heat generated by the heat-assisting material under the alternating electric field. It will be appreciated that in some embodiments, the aerosol-generating substrate 110 heats less under the influence of the alternating electric field, in which case the heat required for atomisation of the aerosol-generating substrate 110 comes primarily from the heating of the heat-assisting material.

Optionally, the dielectric loss factor of the heat-assisting material is greater than the dielectric loss factor of the aerosol-generating substrate 110 under the influence of the alternating electric field. It will be appreciated that the heat-assisting material may have a higher heat generation rate relative to the aerosol-generating substrate 110 at the heating frequency of the alternating electric field, enabling a more efficient heating efficiency. For example, the dielectric loss (dielectric loss) of tobacco with a moisture content of 15 wt% is about 0.075, and the dielectric loss increases with increasing moisture content, and the dielectric loss (dielectric loss) is about 0.487 with a moisture content of 30 wt%. However, too much moisture content will affect the quality of the tobacco. Accordingly, a moisture content of 6 wt% to 18 wt% of the aerosol-generating substrate 110 is suitable. Meanwhile, in the case where the water content is low, in order to improve the heat generation efficiency, a heat-assisting material may be added to the aerosol-generating substrate 110 for improving the heat generation efficiency.

In some embodiments, the thermal aid material is an attenuating ceramic. In an alternative specific example, the attenuating ceramic is an aluminum nitride-based attenuating ceramic. The aluminum nitride-based attenuation ceramic has excellent heat conduction performance, the theoretical value of the heat conductivity is about 320W/m.K, and the aluminum nitride-based attenuation ceramic has moderate thermal expansion coefficient, reliable electrical insulation, stable chemical and thermal properties, good mechanical properties and no toxicity; furthermore, in practice, it is common to add to the matrix of the aluminum nitride-based attenuating ceramic some highly lossy material, such as SiC, TiB₂Mo, W, C and the like to achieve a certain attenuation effect. In some embodiments, AlN-TiB₂The dielectric loss of the attenuating ceramic is about 0.17, which is greater than the dielectric loss of 0.075 of tobacco with 15% moisture content.

The electronic atomiser 200 is capable of generating an alternating electric field to heat the aerosol-generating substrate 110 of the aerosol-generating article 100 and atomise it to form an aerosol. Specifically, the electronic atomizer 200 includes a housing, a power supply module, and an alternating electric field generating module. The housing is adapted to house other components of the electronic atomizer 200, and the power module supplies power to the alternating electric field generating module, which is adapted to generate an alternating electric field that causes the aerosol-generating substrate 110 of the aerosol-generating article 100 to generate heat and atomize to form an aerosol.

Specifically, the shell is provided with an accommodating cavity, and the power supply module and the alternating electric field generating module are both positioned in the accommodating cavity. More specifically, the receiving cavity has a bottom and an opening opposite the bottom. The power module powers other components in the electronic atomizer 200, such as the alternating electric field generating module. In one embodiment, the power module is near the bottom of the receiving cavity. The power module includes a battery. It will be appreciated that in some embodiments, the battery may be omitted. At this time, the electronic atomizer 200 is used with an external power source.

The alternating electric field generating module includes an alternating voltage generator, a first electrode 210 and a second electrode 220. The alternating voltage generator is electrically connected with a power supply, and supplies alternating voltage to the first electrode 210 and the second electrode 220 so as to form an alternating electric field between the first electrode 210 and the second electrode 220; at least part of the area where the alternating electric field is distributed is provided with a receiving space in which the aerosol-generating substrate 110 may be received, so that the aerosol-generating substrate 110 located in the alternating electric field may be heated under the action of the alternating electric field and atomised to form an aerosol. The first electrode 210, the aerosol green product 100 positioned between the first electrode 210 and the second electrode 220, and the second electrode 220 form an equivalent capacitor.

Referring to fig. 2 to 5, in some embodiments, the first electrode 210 is plate-shaped or cylindrical; the second electrode 220 has a plate shape or a cylindrical shape. In the embodiment shown in fig. 2, the first electrode 210 has a plate shape, the second electrode 220 has a cylindrical shape, and the first electrode 210 is disposed in the second electrode 220. In the embodiment shown in fig. 3, the first electrode 210 has a cylindrical shape, the second electrode 220 has a cylindrical shape, and the first electrode 210 and the second electrode 220 are concentrically disposed. In the embodiment shown in fig. 4 and 5, the first electrode 210 and the second electrode 220 are both plate-shaped.

In some embodiments, the number of first electrodes 210 and second electrodes 220 is one. In other embodiments, the first electrodes 210 are multiple, the first electrodes 210 are spaced apart, the second electrodes 220 are multiple, the second electrodes 220 are spaced apart, and the alternating voltage generator may provide alternating voltages to the first electrodes 210 and the corresponding second electrodes 220 according to a predetermined pattern. Optionally, the preset mode is heating in different power sections or heating in sequence in sections. In particular, different power step heating refers to different levels of heating at different parts of the aerosol-generating substrate 110. For example, in one embodiment, the arrangement is as shown in figure 6, the aerosol-generating substrate 110 is divided into an upper section, a middle section and a lower section from top to bottom according to the positions of the first electrode 210 and the second electrode 220, wherein the middle section of the aerosol-generating substrate 110 generates heat to a maximum extent and has the highest temperature, and the upper and lower sections generate heat to a lesser extent and have a lower temperature than the middle section. Sequential stepwise heating means that the degree of heating of the aerosol-forming substrate increases or decreases gradually in a direction. For example, in another embodiment configured as shown in fig. 6, the aerosol-generating substrate 110 is divided into an upper section, a middle section, and a lower section from top to bottom according to the positions of the first electrode 210 and the second electrode 220, and the heat generation level of the aerosol-generating substrate 110 increases in the lower section, the middle section, and the upper section, and the temperature increases in the lower section, the middle section, and the upper section.

In the embodiment shown in fig. 6, the number of the first electrodes 210 and the second electrodes 220 is three. It is understood that in other embodiments, the number of the first electrodes 210 is not limited to three, but may be other integers greater than one; the number of the second electrodes 220 is not limited to three, and may be other integers greater than one.

The frequency of the alternating electric field generated by the alternating electric field generating module is adapted to the heated aerosol-generating substrate 110 and/or the heat assisting material. Optionally, the frequency of the alternating electric field generated by the alternating electric field generating module is 10MHz to 5 GMHz. In one embodiment, the frequency of the alternating electric field generated by the alternating electric field generating module is 10 MHz-49 MHz. In an alternative specific example, the frequency of the alternating electric field required for the aerosol-generating substrate to generate the aerosol is 10MHz, 15MHz, 20MHz, 25MHz, 30MHz, 35MHz, 40MHz or 49 MHz. In other embodiments, the frequency of the alternating electric field generated by the alternating electric field generating module is 981MHz to 5 GMHz. In an alternative specific example, the frequency of the alternating electric field required for the aerosol-generating substrate to generate the aerosol is 985MHz, 1000MHz, 1GHz, 1.5GHz, 2GHz, 2.5GHz, 3GHz, 3.5GHz, 4GHz or 4.5 GHz. Furthermore, the frequency of the alternating electric field generated by the alternating electric field generating module is 985 MHz-1000 GMHz, 1 GHz-1.5 GHz, 1.6 GHz-2 GHz, 2.1 GHz-2.5 GHz, 2.6 GHz-3 GHz, 3.1 GHz-3.5 GHz or 3.6 GHz-4 GHz.

In one embodiment, the waveform of the alternating voltage generated by the alternating voltage generator is a sine wave, a square wave or a sawtooth wave.

In some embodiments, the electronic atomizer 200 further comprises an electromagnetic shield 230, the electromagnetic shield 230 for shielding or attenuating an electromagnetic spill field excited by the alternating electric field between the first electrode 210 and the second electrode 220. In one embodiment, the material of the electromagnetic shield 230 is selected from a conductive material, a composite of metal and insulator, or a ferrite material. In an alternative specific example, the conductor material is selected from at least one of copper, aluminum, iron, and nickel. The composite material is selected from rubber or plastic filled with metal powder or metal fibers (such as nickel wires, copper wires, silver wires and the like). The ferrite material is selected from manganese zinc ferrite or nickel copper ferrite. It is understood that in other embodiments, the conductive material, the metal and insulator composite material, and the ferrite material as the electromagnetic shield 230 are not limited to the above.

In some embodiments, the electromagnetic shield 230 is positioned between the first electrode 210 and the second electrode 220 and encloses the aerosol green product 100 therein. Such as the embodiment shown in fig. 4. In other embodiments, the electromagnetic shield 230 is located outside of and encapsulates the equivalent capacitor formed by the first electrode 210, the aerosol-generating substrate 110 and the second electrode 220. Such as the embodiment shown in fig. 5.

In some embodiments, the aerosol-generating article 100 further comprises a temperature susceptor 120. In particular, the temperature susceptor 120 is used to sense the temperature of the aerosol-generating substrate 110, facilitating the electronic atomizer 200 to control the heat-generating temperature of the aerosol-generating substrate 110. In some embodiments, the temperature receptor 120 is a thermocouple-type temperature sensor, an NTC-type temperature sensor, a PCT-type temperature sensor, or a TCR-type temperature sensor. Of course, in other embodiments, the temperature susceptor 120 is not limited to the above, and other types of temperature sensors are also possible.

Referring to fig. 7, in some embodiments, the temperature susceptor 120 comprises a dielectric material having a dielectric constant that varies with temperature, and the curie temperature of the dielectric material is within a temperature range required for aerosol formation by the aerosol-generating article 100. Since the dielectric constant of the dielectric material can change with the change of temperature, temperature measurement can be realized by detecting the change of the dielectric constant of the dielectric material. The Curie temperature (Tc) is the temperature at which the spontaneous magnetization of a magnetic material decreases to zero, and is the critical point at which a ferromagnetic or ferrimagnetic substance is converted into a paramagnetic substance. The dielectric constant of the dielectric material is maximized when the temperature is the curie temperature. Designing the curie temperature of the media material to be within the temperature range required for aerosol formation by the aerosol generating article 100 may increase the sensitivity of the thermal susceptor 120.

Optionally, the dielectric material is a solid dielectric material. In some embodiments, the dielectric material is a ferroelectric material. In one embodiment, the dielectric material is selected from at least one of niobate, zirconate, titanate, and bismuthate. In an alternative specific example, the dielectric material is selected from NaNbO₃、K_0.5Na_0.5NbO₃And 0.96K_0.5Na_0.5NbO₃-0.04Bi_0.5Na_0.5ZrO₃At least one of (1). It is to be understood that the dielectric material is not limited to the above, but may be selected according to the specific circumstances. It will be appreciated that in other embodiments, the temperature susceptor 120 may have other compositions in addition to the solid dielectric material. Of course, the dielectric material is not limited to a solid dielectric material, but may also be a liquid dielectric material.

In some embodiments, the temperature required for the aerosol-generating substrate 110 to form an aerosol ranges from 250 ℃ to 450 ℃; the Curie temperature of the dielectric material is 250-450 ℃. Further, the temperature required for the aerosol-generating substrate 110 to form an aerosol ranges from 250 ℃ to 400 ℃; the Curie temperature of the dielectric material is 250-400 ℃. Further, the temperature range required for forming the aerosol of the aerosol raw product 100 is 200-350 ℃; the Curie temperature of the dielectric material is 200-350 ℃. In one embodiment, the temperature required for the aerosol-generating substrate 110 to form an aerosol is in the range 250 ℃ to 400 ℃ and the curie temperature of the media material is 400 ℃.

In some embodiments, the temperature susceptor 120 is located in the aerosol-generating substrate 110. At this point, the temperature susceptor 120 is indicative of the temperature inside the aerosol-generating substrate 110. In one embodiment, the temperature susceptor 120 is in the form of a rod or sheet. At this point, the temperature susceptor 120 is inserted into the aerosol-generating substrate 110. Further, the length direction of the temperature susceptor 120 is at an acute angle to the length direction of the aerosol-forming product 100. In the embodiment shown in fig. 7, the length direction of the thermal susceptor 120 is the same as the length direction of the aerosol-forming article 100. In another embodiment, the temperature susceptor 120 is in the form of granules, powder or chips. The temperature susceptor 120 is now dispersed in the aerosol-generating substrate 110.

In other embodiments, the temperature susceptor 120 is located on a surface of the aerosol-generating substrate 110. In particular, the aerosol-generating substrate 110 is a substrate having a shape (e.g., sheet-like or columnar) made from finely divided material in the form of powder, particles, and/or filaments, etc. via a shaping process; the temperature susceptor 120 is located on an outer surface of the aerosol-generating substrate 110. At this point, the temperature susceptor 120 is indicative of the temperature outside the aerosol-generating substrate 110.

In other embodiments, the temperature susceptor 120 is located on a surface of the packaging layer and in proximity to the aerosol-generating substrate 110. At this point, the temperature susceptor 120 is indicative of the temperature outside the aerosol-generating substrate 110. In one embodiment, the temperature susceptor 120 is located on the outer surface of the packaging layer. In another embodiment, the temperature susceptor 120 is located on the inner surface of the packaging layer.

Specifically, to achieve temperature control, the electronic atomizer 200 includes a detection module and a controller in addition to the aerosol-generating article 100 including the thermal susceptor 120. The detection module is used for detecting the change of the dielectric constant of the aerosol generating product 100 in the alternating electric field and feeding back the detection result to the controller, and the controller controls the output of the alternating voltage generator according to the detection result to control the temperature of the aerosol generating substrate 110, so that the phenomenon that the aerosol generating product 100 generates burnt smell due to overhigh temperature of the aerosol generating substrate 110 is avoided. It is understood that the detection module may directly detect the dielectric constant of the aerosol-forming product 100 in the alternating electric field, or may detect a parameter related to the dielectric constant thereof to indirectly obtain the dielectric constant of the aerosol-forming product 100 in the alternating electric field. For example, the change in the dielectric constant of the aerosol-forming product 100 is detected by detecting a change in the capacitance of an equivalent capacitor formed by the first electrode 210, the second electrode 220, and the aerosol-forming product 100 located between the first electrode 210 and the second electrode 220, or the resonant frequency of a resonant circuit in which the equivalent capacitor is located.

In some embodiments, the detection module is configured to detect a change in capacitance of an equivalent capacitor formed by the first electrode 210, the second electrode 220, and the aerosol starting product 100 positioned between the first electrode 210 and the second electrode 220. The change in the dielectric constant of the aerosol green product 100 is detected by detecting the change in the capacitance of the equivalent capacitor. Specifically, the detection module is used for detecting the capacitance of the equivalent capacitor and feeding back a detection result to the controller; and the controller matches the detection result fed back by the detection module with a preset heating program to realize heating control. At this time, the controller is electrically connected with the alternating voltage generator, and the controller is used for controlling the output of the alternating voltage generator according to the capacitance change of the equivalent capacitor, so that the temperature control in the heating process is realized. At this point, the principle by which the controller obtains the temperature of the aerosol-generating substrate 110 is: there is a correspondence between the dielectric constant of the dielectric material of the thermal susceptor 120 and the temperature, and there is a correspondence between the capacitance of the equivalent capacitor and the dielectric constant of the dielectric material of the thermal susceptor 120 in the equivalent capacitor. Thus, the temperature of the aerosol-generating substrate 110 as perceived by the temperature susceptor 120 may be obtained by detecting the capacitance of the equivalent capacitor. In particular, the controller has stored therein a dielectric constant-temperature characteristic curve of the dielectric material of the temperature susceptor 120. It will be appreciated that where the dielectric constant-temperature characteristic curve of the dielectric material of the thermal susceptor 120 is stored in the controller, the dielectric constant of the other components in the alternating electric field of the aerosol-forming product 100 varies negligibly with temperature. It will be appreciated that in other embodiments, the dielectric constant-temperature characteristic curve stored in the controller is not limited to that of the dielectric material of the temperature susceptor 120, but may also be a composite dielectric constant-temperature characteristic curve of the dielectric material and other related materials, provided that it is capable of reflecting the temperature of the aerosol-generating substrate 110. Of course, the variation of the dielectric constant of the dielectric material of the aerosol-generating article 100 other than the temperature susceptor 120 with temperature at this time is not particularly limited.

In the embodiment shown in fig. 7, the number of the first electrodes 210 and the second electrodes 220 is one. In other embodiments, the first electrodes 210 are multiple, the first electrodes 210 are spaced apart, the second electrodes 220 are multiple, the second electrodes 220 are spaced apart, the first electrodes 210 and the corresponding second electrodes 220 cooperate to form equivalent capacitors at different positions of the aerosol-generating substrate 100, the detection module detects capacitances of the equivalent capacitors at the different positions to detect dielectric constants at the different positions of the aerosol-generating substrate 100, and the controller can comprehensively regulate and control the temperature of the aerosol-generating substrate 110. It is understood that the detection template may detect the capacitance of the equivalent capacitor at different positions at the same time, or may detect the capacitance of the equivalent capacitor at different positions in sequence within a certain time range. In the embodiment shown in fig. 8, the number of the first electrodes 210 and the second electrodes 220 is three. It is understood that in other embodiments, the number of the first electrodes 210 is not limited to three, but may be other integers greater than one; the number of the second electrodes 220 is not limited to three, and may be other integers greater than one.

In some embodiments, the detection module is configured to detect a change in a resonant frequency of a resonant circuit in which the equivalent capacitor is located. The change in the dielectric constant of the aerosol production product 100 is obtained by detecting a change in the resonant frequency of the resonant circuit in which the equivalent capacitor is located. Specifically, the electronic atomizer 200 further includes an induction coil. The power supply, the inductance coil and the equivalent capacitor form a resonance circuit; the detection module is used for detecting the resonant frequency of the resonant circuit and feeding back a detection result to the controller; and the controller matches the detection result fed back by the detection module with a preset heating program to realize heating control. At this point, the principle by which the controller obtains the temperature of the aerosol-generating substrate 110 is: there is a correspondence between the dielectric constant of the dielectric material of the thermal susceptor 120 and the temperature, a correspondence between the capacitance of the equivalent capacitor and the dielectric constant of the dielectric material of the thermal susceptor 120 in the equivalent capacitor, and a correspondence between the resonant frequency in the resonant circuit and the capacitance of the equivalent capacitor. Thus, the temperature of the aerosol-generating substrate 110 as sensed by the temperature susceptor 120 may be obtained by detecting the resonant frequency of the resonant circuit.

Further, since the aerosol formed by the aerosol-forming substrate 100 is pumped, there is a significant temperature change in the aerosol-forming substrate, and the temperature sensor 120 can sense the change and reflect the change from the resonant frequency (the resonant frequency will have a significant jump), so that the number of pumping openings can be counted by the characteristic sudden change peaks and troughs of the resonant frequency, and the output of the alternating voltage transformer can be adjusted by the counted number of pumping openings, thereby improving the taste of the aerosol. Accordingly, in some embodiments, the electronic atomizer 200 described above further comprises a puff count module. The suction counting module is used for collecting the wave crest and/or the wave trough number of the resonant frequency, calculating the number of suction ports and feeding back the number of the suction ports to the controller. At this time, the controller is further configured to control the output of the alternating-current transformer according to the counting result fed back by the counting module.

Specifically, the heating program includes a temperature increasing program and a temperature decreasing program. When the temperature corresponding to the detection result (the capacitance, the dielectric constant or the resonant frequency of the equivalent capacitor) fed back by the detection module received by the controller is lower than the preset cooling temperature, the controller controls the alternating transformer to normally output, namely a heating program; and when the temperature corresponding to the detection result fed back by the detection module and received by the controller is higher than or equal to the preset cooling temperature, the controller controls the alternating voltage transformer to reduce the output, namely a cooling program.

In some embodiments, the controller is further configured to control a heat-up initiation procedure. Specifically, when the aerosol raw product 100 is placed in the first electrode 210 and the second electrode 220 to form an equivalent capacitor, the detection module detects the dielectric constant of the aerosol raw product 100 between the first electrode 210 and the second electrode 220 and feeds back the detection result to the controller, and the controller matches the detection result fed back by the detection module with a preset starting parameter. If the detection result is matched with the preset starting parameter, starting a heating program; and if the detection result is not matched with the preset starting parameter, not starting the heating program. The heating starting program is controlled by the controller, and the heating program is started after the electronic atomizer 200 identifies the heatable aerosol production product 100, so that heating by mistake is avoided, and user experience is improved. Meanwhile, the electronic atomizer 200 has the corresponding heatable aerosol production product 100, and also has an anti-counterfeiting effect. It is understood that the preset starting parameter is a range in consideration of the usage scenario of the aerosol generating product 100. It will be appreciated that, likewise, when the controller is also used to control the heating start-up procedure, the parameter detected by the detection module is not limited to the dielectric constant of the aerosol starting product 100 between the first electrode 210 and the second electrode 220, but may be other parameters related to the dielectric constant, such as the capacitance of an equivalent capacitor that may indirectly reflect the dielectric constant, and the resonant frequency of the resonant circuit in which the equivalent capacitor is located.

The above-described embodiment achieves identification by the detection module of the electronic atomizer 200 detecting a capacitance or resonant frequency corresponding to the dielectric constant in the aerosol-producing product located between the first electrode 210 and the second electrode 220. It is understood that in other embodiments, the electronic atomizer 200 may also recognize the aerosol production product 100 by providing another identification material (e.g., an identification tag) on the aerosol production product 100 and providing a corresponding identification module on the electronic atomizer 200. For example, the aerosol production product 100 also includes an identification material that is adapted to the electronic atomizer 200. In some embodiments, the identification material is located in the aerosol-generating substrate 110 or on a surface of the aerosol-generating substrate 110. In other embodiments, the identification material is located on the packaging layer. For example on the outer surface or on the inner surface of the packaging layer. It is to be understood that the specific composition of the identification material is not particularly limited as long as it can be adapted to the identification module of the electronic atomizer 200. Of course, in some embodiments, the electronic atomizer 200 does not need to have an identification function, and the electronic atomizer 200 does not have a corresponding identification module, and the aerosol-generating article 100 does not need to be provided with an identification material.

In some embodiments, the electronic atomizer 200 further comprises a temperature sensor for sensing the temperature of the aerosol-producing product. In one embodiment, the principle by which the temperature sensor senses the temperature of the aerosol-generating substrate 110 is the same as that described above for the temperature susceptor 120 in the aerosol-generating article 100. At this time, the material of the temperature sensor is the same as that of the temperature susceptor 120 described above. Specifically, the temperature sensor is disposed on the first electrode 210 and/or the second electrode 220 and within the cavity. If the positional relationship between the first electrode 210 and the second electrode 220 is: the first electrode 210 is located within the second electrode 220, for example as shown in fig. 2, 3 or 4, and is used to characterise the temperature of the interior of the aerosol-generating substrate when the temperature sensor is located on the first electrode 210; when the temperature sensor is arranged on the second electrode 220, for characterizing the temperature of the exterior of the aerosol-generating substrate. If the first electrode 210 and the second electrode 220 are oppositely arranged, the temperature sensor is indicative of the temperature outside the aerosol-generating substrate 110. It is understood that in other embodiments, the temperature sensor may sense the temperature according to other principles, and the corresponding arrangement is sufficient. Of course, a temperature sensor may be disposed on both the first electrode 210 and the second electrode 220.

Furthermore, it is to be understood that when the aerosol-generating article 100 comprises a temperature susceptor 120 and the electronic atomizer 200 also comprises a temperature sensor, there is no conflict in position between the temperature susceptor 120 and the temperature sensor. For example, when the first electrode 210 and the second electrode 220 are located as shown in fig. 3 or fig. 4, and the temperature sensor is located on the first electrode 210, the thermoreceptor 120 of the aerosol product 100 avoids the area close to the first electrode 210 after being placed in the cavity. Of course, when the aerosol-generating article 100 includes the temperature susceptor 120, the temperature sensor of the electronic atomizer 200 may be omitted.

The above-described nebulizing system 10 comprises an aerosol-generating article 100 and an electronic nebulizer 200 adapted to the aerosol-generating article 100, the electronic nebulizer 200 cooperating with the aerosol-generating article 100 to nebulize the aerosol-generating substrate 110 by generating an alternating electric field by the electronic nebulizer 200 to form an aerosol. The above-described atomization system 10 has at least the following advantages:

(1) the heating efficiency is high: since the aerosol-generating article 100 is self-heating (the aerosol-generating substrate 110 and/or the heat-assisting material generates heat) under the influence of an alternating electric field, the heating efficiency is high compared to an atomising system in which the aerosol-generating substrate is heated by a component external to the aerosol-generating article in a thermally conductive manner.

(2) Even, the fast speed of generating heat generates heat: because heat is generated from the inside of the substance, the temperature of the object in the electric field can be uniformly raised, the object reaches the same temperature from inside to outside, the taste of the aerosol finished product 100 is improved, and the utilization rate of the aerosol finished product 100 is also improved.

(3) The power is on and heated, and the power is off and stopped; and because under certain frequency, various substances have different loss factors and absorbed energy of electric fields, the aerosol finished product 100 can be pertinently heated, the heating efficiency is greatly improved, and the energy consumption is reduced.

(4) The electronic atomizer 200 is easy to clean: compared with the traditional method of arranging a heating body in an electronic atomizer, the atomization system 10 realizes atomization by heating the aerosol production product 100 without arranging the heating body in the electronic atomizer 200, thereby avoiding the influence on the smoking taste due to the deposition of dirt on the heating body. In addition, since the electronic atomizer 200 may not be provided with a heating body, its cleaning is more convenient.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, so as to understand the technical solutions of the present invention specifically and in detail, but not to be understood as the limitation of the protection scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. It should be understood that the technical solutions obtained by logical analysis, reasoning or limited experiments based on the technical solutions provided by the present invention are all within the protection scope of the appended claims of the present invention. Therefore, the protection scope of the present invention should be subject to the content of the appended claims, and the description and the drawings can be used for explaining the content of the claims.

Claims

1. An aerosol-generating article comprising an aerosol-generating substrate, the aerosol-generating substrate being a solid substrate; the aerosol production product can generate heat under the action of an alternating electric field to atomize to form aerosol.

2. The aerosol-generating article of claim 1, wherein the aerosol-generating substrate comprises polar molecules;

preferably, the polar molecule is at least one of water, alcohols, aldehydes, ketones, lipids, phenols, terpenes, and lower fatty acids.

3. The aerosol green product of claim 1, wherein the frequency of the alternating electric field is between 10MHz and 5 GMHz.

4. The aerosol-generating article of claim 1, further comprising a thermal promoter material proximate the aerosol-generating substrate;

preferably, the dielectric loss factor of the heat-assisting material is greater than the dielectric loss factor of the aerosol-generating substrate under the influence of the alternating electric field;

preferably, the heat-assisting material is attenuating ceramic.

5. An aerosol-generating article according to any of claims 2 to 4 in which the water content of the aerosol-generating substrate is from 6 wt% to 18 wt%;

preferably, the aerosol-generating substrate has a water content of from 8 wt% to 14 wt%.

6. An electronic atomiser comprising a power module and an alternating electric field generating module, the power module supplying power to the alternating electric field generating module, the alternating electric field generating module being configured to generate an alternating electric field which causes an aerosol-generating substrate of an aerosol-generating article of any of claims 1 to 5 to generate heat to form an aerosol.

7. The electronic atomizer of claim 6, wherein the frequency of said alternating electric field is between 10MHz and 5 GMHz; and/or the waveform of the alternating voltage for generating the alternating electric field is a sine wave, a square wave or a sawtooth wave.

8. The electronic atomizer according to claim 6, wherein said alternating electric field generating module comprises an alternating voltage generator, a first electrode and a second electrode; the alternating voltage generator provides alternating voltage for the first electrode and the second electrode to form an alternating electric field between the first electrode and the second electrode; at least part of the area where the alternating electric field is distributed is provided with an accommodation space which can accommodate the aerosol generating substrate.

9. The electronic atomizer according to claim 8, wherein said first electrode is plate-shaped or cylindrical; the second electrode is plate-shaped or cylindrical.

10. The electronic atomizer according to claim 8, wherein said first electrodes are plural, a plurality of said first electrodes are spaced apart, said second electrodes are plural, a plurality of said second electrodes are spaced apart, and said alternating voltage generator is capable of providing alternating voltages to a plurality of said first electrodes and corresponding said second electrodes according to a predetermined pattern.

11. The electronic atomizer of claim 10, wherein said predetermined pattern is a different power step heating or a sequential step heating.

12. The electronic atomizer according to any one of claims 6 to 11, further comprising an electromagnetic shield for shielding or attenuating an electromagnetic spill field excited by the alternating electric field.

13. An electronic atomiser according to any of claims 7 to 11, further comprising a temperature sensor for feeding back the temperature of the aerosol-generating substrate to the controller, and a controller for controlling the output of the alternating voltage generator to control the heat-generating temperature of the aerosol-generating substrate in dependence on the temperature fed back by the temperature sensor.

14. An atomisation system comprising an aerosol-generating product according to any of the claims 1 to 5 and an electronic atomiser according to any of the claims 6 to 13 adapted to the aerosol-generating product.