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WO2020130752A1 - Appareil de génération de particules fines ayant un dispositif de chauffage par induction - Google Patents

Appareil de génération de particules fines ayant un dispositif de chauffage par induction Download PDF

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Publication number
WO2020130752A1
WO2020130752A1 PCT/KR2019/018324 KR2019018324W WO2020130752A1 WO 2020130752 A1 WO2020130752 A1 WO 2020130752A1 KR 2019018324 W KR2019018324 W KR 2019018324W WO 2020130752 A1 WO2020130752 A1 WO 2020130752A1
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WO
WIPO (PCT)
Prior art keywords
susceptor
excitation coil
smoking article
heat
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2019/018324
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English (en)
Korean (ko)
Inventor
권중학
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EM Tech Co Ltd
Original Assignee
EM Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EM Tech Co Ltd filed Critical EM Tech Co Ltd
Priority to CN201980084508.5A priority Critical patent/CN113226083A/zh
Priority to EP19898135.9A priority patent/EP3900552A4/fr
Priority to JP2021536340A priority patent/JP7280365B2/ja
Priority claimed from KR1020190172899A external-priority patent/KR102381044B1/ko
Publication of WO2020130752A1 publication Critical patent/WO2020130752A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A24F40/465—Shape or structure of electric heating means specially adapted for induction heating

Definitions

  • the present invention relates to a fine particle generating device having an induction heating heater.
  • the induction heating device 1 is a view showing an induction heating device for heating the aerosol-forming substrate described in the prior art International Publication WO 2015/177255.
  • the induction heating device 1 includes a DC power supply including a device housing 10 that can be formed of plastic, and a rechargeable battery 11a.
  • the induction heating device 1 includes a charging port for charging the rechargeable battery 11a or a docking port including a charging station for charging the induction heating device 1 to the charging device; 12).
  • the induction heating device 1 comprises a power supply electronics 13 configured to operate at a desired frequency, for example a frequency of 5 MHz.
  • the power supply electronics 13 are electrically connected to the rechargeable battery 11a through a suitable electrical connection 13a.
  • the tobacco-containing solid aerosol-forming substrate 20 comprising the susceptor 21 is received in the cavity 14 at the proximal end of the device housing 10 and, during operation, the inductor L2 (helically wound cylindrical The inductor coil) is inductively coupled to the susceptor 21 of the tobacco-containing solid aerosol-forming substrate 20 of the smoking article 2.
  • the filter portion 22 of the smoking article 2 is arranged outside the cavity 14 of the induction heating device 1 so that during operation, the consumer may aspirate the aerosol through the filter portion 22.
  • the induction heating device includes an inductor arranged thermally adjacent to the aerosol-forming substrate, and the aerosol-forming substrate includes a susceptor.
  • the alternating magnetic field of the inductor generates hysteresis loss and eddy current in the susceptor, causing the susceptor to heat the aerosol-forming substrate to a temperature that can release volatile components capable of forming an aerosol. do. Since the heating of the susceptor is performed in a non-contact manner, it is not possible to directly measure the temperature of the aerosol-forming substrate. For that reason, it is also difficult to determine when the user performs a puff during smoking practice.
  • Patent Document 1 International Publication WO 95/27411
  • Patent Document 2 International Publication WO 2015/177257
  • Patent Document 3 International Publication WO 2015/177255
  • An object of the present invention is to provide an induction heating type microparticle generator that can easily control the heat generation of the susceptor by directly measuring the temperature of the susceptor by including the susceptor as part of the device.
  • an object of the present invention is to provide an induction heating type fine particle generating device capable of improving the efficiency of deterioration by transferring heat to the excitation coil as the magnetized heating element that generates heat by the excitation coil generates heat.
  • the present invention provides an induction heating type microparticle generator including an excitation coil and a susceptor in which induction heating is caused by eddy current loss in response to an excitation coil, and an insulating member shielding heat between the susceptor and the excitation coil.
  • the present invention provides an induction heating type microparticle generating device in which an excitation coil, a liquid storage space and a heating member for vaporizing the liquid are provided as a susceptor.
  • the induction heating type microparticle generator provided by the present invention has an advantage of easily controlling the heat generation of the susceptor by directly measuring the temperature of the susceptor by including the susceptor as a part of the device.
  • the induction heating type microparticle generator provided by the present invention can heat the magnetization heating element by a one piece excitation coil wound in a cylindrical shape, and prevents overheating of the excitation coil by providing an insulating pipe between the magnetization heating element and the excitation coil. By doing so, there is an advantage that the heating efficiency of the magnetized heating element can be improved.
  • FIG. 1 is a view showing an induction heating device for heating an aerosol-forming substrate according to the prior art
  • Figure 2 is a schematic exploded cross-sectional view showing a preferred example of a smoking article that can be used in the present invention
  • FIG. 3 is a schematic exploded cross-sectional view showing another preferred example of a smoking article that can be used in the present invention
  • Figure 4 is an exploded perspective view of the fine particle generating device according to the first embodiment of the present invention.
  • Figure 5 is an exploded cross-sectional view of the fine particle generating apparatus according to the first embodiment of the present invention
  • FIG. 6 is a perspective view of an insulating pipe that can be used in the microparticle generating device according to the first embodiment of the present invention
  • FIG. 7 is a view showing a first inner part that can be used in the microparticle generating apparatus according to the first embodiment of the present invention.
  • FIG. 8 is a view showing a heat stick that can be used in the apparatus for generating fine particles according to the first embodiment of the present invention
  • FIG. 9 is a view showing a second inner part that can be used in the microparticle generating apparatus according to the first embodiment of the present invention.
  • FIG. 10 is a cross-sectional view of a fine particle generating device according to a first embodiment of the present invention
  • FIG. 11 is a cross-sectional view of a fine particle generating device according to a second embodiment of the present invention.
  • FIG. 12 is an exploded perspective view of a fine particle generating device according to a second embodiment of the present invention.
  • FIG. 13 is a cross-sectional view showing a part of a fine particle generating device according to a third embodiment of the present invention.
  • FIG. 14 is a cross-sectional view showing a part of a fine particle generating device according to a fourth embodiment of the present invention.
  • FIG. 15 is a view showing an embodiment of a circuit block diagram for induction heating in the microparticle generating apparatus according to the present invention
  • FIG. 16 is a view showing another embodiment of a circuit block diagram for induction heating in the microparticle generating apparatus according to the present invention.
  • the present invention includes an aerosol-forming substrate inside, and an aerosol-forming substrate of a smoking article inserted into the cavity having a cavity through which a smoking article wrapped with wrapping paper is inserted.
  • the microparticle generating apparatus of a gripping and portable size to form an aerosol by heating In the device, provided in the device, multiple coiled excitation coil, and provided inside the excitation coil to surround the excitation coil in the device , It is made of a thin sheet of hollow cylindrical shape that defines a cavity, and is a metal susceptor heated to a temperature of 400°C or less by induction heating by eddy current loss by reacting with an excitation coil, and the inner surface of the susceptor is inserted into the cavity A susceptor in contact with at least a portion of the outer surface of the wrapped paper of the smoking article and an induction heated susceptor heats the aerosol-forming substrate inside the wrapping paper to form an aerosol, and between the susceptor and the excitation coil in the device And a structure for supporting at least a portion
  • a susceptor temperature acquisition unit for obtaining, a rechargeable battery provided in the device and functioning as a DC power supply, and an excitation coil, a susceptor temperature acquisition unit and a battery electrically connected to the battery, and receiving DC power supplied from the battery, And an induction heating heater comprising a control unit for induction heating the susceptor to a desired temperature by supplying an alternating current of a resonant frequency or an alternating current of a frequency different from the resonant frequency according to the temperature of the receptor.
  • a microparticle generating device of a size that can be gripped and carried.
  • a susceptor that can be inserted through the lower center of the smoking article inserted into the cavity and heated in direct contact with the aerosol-forming substrate in the smoking article.
  • the susceptor may preferably be made of thin stainless steel.
  • the heat insulating portion may be an air layer provided between the susceptor and the excitation coil.
  • a structure supporting at least a portion of at least a portion of the susceptor and excitation coil is made of heat-resistant plastic, provided between the susceptor and excitation coil, to serve as an insulating plastic structure that serves as an insulating portion to prevent heat from being transferred to the excitation coil.
  • the insulating plastic structure may be an insulating pipe that supports at least a portion of the susceptor outside the susceptor and the excitation coil is wound on the outer surface of the structure.
  • the insulating plastic structure by interposing a thermal insulator ring made of a ceramic powder having a low thermal conductivity between the susceptor separately, by supporting the susceptor, it is possible to prevent the heat from the susceptor to leak out.
  • a ferrite sheet is wrapped on the outer surface of the excitation coil so as to contact the excitation coil, thereby preventing magnetic flux from leaking out of the excitation coil.
  • the graphite sheet is wrapped on the outer surface of the excitation coil, and heat of the excitation coil can be dissipated to the outside.
  • a lamination of a ferrite sheet and a graphite sheet is wrapped to prevent magnetic flux from leaking out of the excitation coil, and at the same time, heat of the excitation coil can be dissipated to the outside.
  • a pressure sensor for sensing a negative pressure caused by a user's puff for a smoking article inserted into the cavity may be further included in an airflow path communicating with the cavity.
  • the susceptor temperature acquiring unit changes the current and voltage from the current sensor and the voltage sensor that measures the current and voltage of heating the susceptor according to the inductance or reactance value that changes according to the temperature change of the susceptor. Depending on the temperature of the susceptor can be calculated.
  • the susceptor temperature acquiring unit is a temperature sensor that measures the temperature by contacting the outer surface of the susceptor and detecting a change in the resistance value according to the temperature change of the susceptor, and the lead wire of the temperature sensor can be electrically connected to the control unit.
  • the temperature sensor and the lead wire of the temperature sensor may be wrapped by a heat-resistant shrinkable tube surrounding the outer surface of the susceptor to contact the outer surface of the susceptor.
  • the smoking article may include a liquid cartridge therein.
  • the liquid cartridge contains the liquid or gel-like composition containing glycerin VG.
  • a tobacco body may be further included upstream or downstream of the liquid cartridge.
  • the smoking article further includes a filter and a tube, and the filter, tube and liquid cartridge are formed by being wrapped with one wrapping paper.
  • the smoking article may include a tobacco body containing glycerin VG.
  • the smoking article further includes a filter and a tube, and the filter, tube and tobacco body are formed by being wrapped with one wrapping paper.
  • the terms'upstream' and'downstream' are terms used to indicate the relative positions of the segments constituting the smoking article, based on the direction in which the user draws air using the smoking article.
  • the smoking article includes a downstream end (i.e., the portion where air enters) and an opposite upstream end (i.e., the portion where air exits). When using smoking articles, the user may bite the downstream end of the smoking article.
  • the downstream end is located downstream of the upstream end, while the term'end' can also be described as'end'.
  • the heating-type smoking article is a form in which an aerosol is generated from a smoking article and the user inhales and uses the aerosol by heating the smoking article by an electric resistance method or an induction heating method, without burning.
  • Such smoking articles contain aerosol-forming substrates and/or tobacco cuts in an amount sufficient to perform a similar number of inhalation acts as a conventional cigarette smoking cigarette, and/or tobacco keratin inside the smoking article, and aerosols in predetermined amounts After this occurs, it no longer generates a significant amount of aerosol and will be discarded by the user after one use.
  • a heated smoking article 50 that can be used in the microparticle generating apparatus of the present invention as an example, is an aerosol-forming substrate and includes a liquid composition, such as conventional tobacco cut filler and glycerin.
  • the heating-type smoking article 50 according to the first preferred embodiment of the present invention includes a cigarette shell 58 as an aerosol-forming substrate at an upstream end, and a liquid composition cartridge 56 as its another aerosol-forming substrate immediately below it It has a structure in which a tube 54 providing an aerosol movement passage downstream and a filter 52 functioning as a mouthpiece are stacked.
  • the relative positions of the liquid composition cartridge 56 and the tobacco sheath or tobacco body 58 may be reversed, or alternatively, as shown in FIG. 3, the tobacco sheath or tobacco body 58 may be omitted, or is currently commercially available.
  • the liquid composition cartridge 56 may be omitted.
  • the liquid cartridge 56 includes a liquid or gel composition; A liquid or gel hygroscopic body in which the liquid or gel composition is wet;
  • the liquid or gel absorbent includes a wrapping paper that wraps the side surfaces in a cylinder shape having a length of 7 to 20 mm and a diameter of 5 to 8 mm, and the liquid or gel absorbent is a liquid or gel absorbent in a liquid cartridge.
  • the cylinder shape having a length of 7 to 20 mm and a diameter of 5 to 8 mm is a size that conforms to the standard of a conventional tobacco or heated smoking article currently in use, and the liquid cartridge 56 having this specification is inserted into the heated smoking article. When it is wrapped with a separate wrapping paper 60, there is no difference from a normal cigarette or a heated smoking article when viewed from the user's point of view.
  • the present invention is characterized by absorbing 70 to 120 mg of a liquid or gel-like composition in a liquid hygroscopic body of the liquid cartridge 56 having such a standard, the numerical range of which is a cigarette keratin provided in a single heated smoking article.
  • a liquid or gel composition having a lower value (70 mg) or less is absorbed by the liquid absorbent, the aerosol derived from the liquid composition may be insufficient in the process of inhaling the aerosol derived from tobacco cuts provided to the heated smoking article. Therefore, the liquid composition absorbed by the liquid cartridge should be at least the lower limit value (70 mg).
  • the liquid or gel composition absorbed by the liquid cartridge 56 should be less than or equal to the upper limit (120 mg).
  • the preferred range is 80 to 110 mg, and the more preferred range is 90 to 105 mg.
  • the liquid absorbent in the liquid cartridge 56 having the above specifications has a sufficient moisture absorption rate to maintain the liquid composition having the above range in the liquid cartridge. That is, the liquid composition remains absorbed by the liquid absorbent in the liquid cartridge, and does not flow out of the liquid cartridge.
  • the moisture absorption indicates that the absorbent body is wet by the liquid composition, but this does not flow out.
  • the filter-tube-liquid cartridge-tobacco is wrapped with wrapping paper to form a heated smoking article, and the liquid cartridge comes into direct contact with the cigarette or tube or filter without a separate member upstream or downstream.
  • the liquid composition absorbed by the liquid absorbent in the cartridge is absorbed and stored in the liquid absorbent and does not flow toward the tobacco body or the tube or filter.
  • the liquid composition is preferably absorbed by the liquid absorbent in an amount of 0.13 to 0.32 mg/mm 3 per unit volume of the liquid absorbent.
  • the reason for the numerical limitation is similar to the reason for numerical limitation for the amount of the liquid composition absorbed by the liquid absorbent of the present invention. That is, when the lower limit value (0.13 mg / mm 3 ) is less, the amount of the liquid composition absorbed by the liquid absorbent is not sufficient, so that the liquid composition in the process of inhaling the aerosol derived from tobacco cuts provided to the heated smoking article Since the aerosol derived from may be insufficient, the liquid composition absorbed by the liquid cartridge should be at least the lower limit value (0.13 mg/mm 3 ).
  • liquid composition exceeding the upper limit (0.32 mg/mm 3 ) is absorbed by the liquid hygroscopic material, the liquid hygroscopic material in the liquid cartridge having the above specification may be difficult to keep the liquid composition moisturized. It can flow out of this liquid cartridge.
  • the liquid composition includes glycerin VG, and optionally includes glycerin PG, water, and a flavoring agent, wherein the liquid composition is, by weight, 70 to 100% glycerin VG, 0 to 20% glycerin PG, 0 to 10% It contains water, and further includes a flavoring agent added to 10% or less based on the total weight of the liquid composition thus obtained.
  • the present invention uses a liquid composition consisting of 100% glycerin VG by weight.
  • the present invention uses a liquid composition consisting of 80% glycerin VG and 20% glycerin PG by weight.
  • the present invention uses a liquid composition consisting of 75% glycerin VG, 20% glycerin PG and 5% water by weight.
  • the present invention further comprises a flavoring agent added to 10% or less based on the total weight of the liquid composition thus obtained.
  • flavoring agents are licorice, sucrose, fructose syrup, isosweetener, cocoa, lavender, cinnamon, cardamom, celery, fenugreek, cascarilla, sandalwood, bergamot, geranium, honey essence, rose oil, vanilla, lemon Oil, orange oil, mint oil, cinnamon, caraway, cognac, jasmine, chamomile, menthol, cinnamon, ylang-ylang, sage, spearmint, ginger, coriander or coffee.
  • the liquid composition may or may not contain nicotine.
  • the liquid absorbent according to the present invention is made into a cylinder shape by bending or rolling a band of 2 to 3 mm thick made of a melamine-based foamed resin, and according to another preferred embodiment, according to the present invention
  • the liquid absorbent is made by processing the melamine-based foamed resin into a cylinder shape, and the liquid-absorbent made of the melamine-based foamed resin has a weight per unit volume of more preferably 0.01 to 0.013 mg/mm 3 .
  • the liquid absorbent according to the present invention is made by pulping or folding or rolling a fabric containing pulp to form a cylinder or processing into a cylinder shape, which is made of a fabric containing pulp or pulp.
  • the resulting liquid hygroscopic body more preferably has a weight per unit volume of 0.25 to 0.4 mg/mm 3 .
  • the liquid composition remained absorbed in the liquid hygroscopic body without a problem that the liquid composition flowed out during the experiment, Sufficient aerosols from liquid compositions were identified.
  • the liquid absorbent according to the present invention is made of a woven or non-woven fabric of cotton by rolling or rolling to form a cylinder or processing in a cylindrical shape, and a liquid made of cotton woven fabric or non-woven fabric
  • the absorbent body more preferably, has a weight per unit volume of 0.2 to 0.35 mg/mm 3 . According to the results of experiments performed on a heated smoking article comprising a liquid cartridge having a liquid hygroscopic body having a wet liquid composition of 100 mg, the liquid composition remained absorbed in the liquid hygroscopic body without a problem that the liquid composition flowed out during the experiment, Sufficient aerosols from liquid compositions were identified.
  • the liquid absorbent according to the present invention is made by bending or rolling a woven fabric or a nonwoven fabric of bamboo fiber into a cylinder shape or processing in a cylinder shape, as a woven fabric or nonwoven fabric of bamboo fiber.
  • the resulting liquid hygroscopic material more preferably, has a weight per unit volume of 0.15 to 0.25 mg/mm 3 . According to the results of experiments performed on a heated smoking article comprising a liquid cartridge having a liquid hygroscopic body having a wet liquid composition of 100 mg, the liquid composition remained absorbed in the liquid hygroscopic body without a problem that the liquid composition flowed out during the experiment, Sufficient aerosols from liquid compositions were identified.
  • Smoking articles that can be applied to the microparticle generating device according to the present invention are also gel-like aerosol-forming substrate cartridges, which exist in a gel or solid phase at room temperature and vaporize with aerosol in a temperature range of 150 to 300 °C, glycerin VG, water, gelatin And a gel aerosol-forming substrate comprising, optionally, glycerin PG;
  • the gel receptor may also include wrapping paper, which wraps the sides in a cylindrical shape with a length of 7 to 20 mm and a diameter of 5 to 8 mm.
  • the cylinder shape having a length of 7 to 20 mm and a diameter of 5 to 8 mm is a size that conforms to the standard of a conventional tobacco or heated smoking article currently in use, and a gel-type aerosol-forming substrate cartridge having such a specification is inserted into the heated smoking article. Therefore, when wrapped with a separate wrapping paper, from the user's point of view, there is no difference from a normal cigarette or a heated smoking article.
  • the gel aerosol-forming substrate by weight, comprises a liquid composition consisting of 80 to 100% glycerin VG, 0 to 20% glycerin PG, 60 to 80% liquid composition and 20 to 40% water volume
  • the mixture of proportions contains 1 to 6 g of gelatin compared to 100 ml of the mixture, and may optionally include a flavoring agent added to 10% or less based on the total weight of the liquid composition.
  • the liquid composition is preferably contained in an amount of 70 to 120 mg in the gel receptor.
  • the liquid composition may be included in the gel receptor in an amount of 0.13 to 0.32 mg/mm 3 per unit volume of the gel receptor.
  • the wrapping paper 60 is formed by attaching an aluminum foil to paper, and wrapping the aluminum foil in a cylinder shape to contact the liquid absorbent body.
  • the liquid absorbent is wrapped by a wrapping paper, in which case the wrapping paper can be provided in the form of aluminum foil attached to the paper, and aluminum foil It is good to be wrapped in a cylinder shape so as to contact the liquid hygroscopic body.
  • a wrapping paper (which is formed by attaching aluminum foil to the paper), which preferably wraps the liquid cartridge 56, is required, and filters 52, tubes 54, and liquid cartridges are formed to form the smoking article 50.
  • the wrapping paper 60 shown in FIGS. 2 and 3 for wrapping the 56 and/or the cigarette body 58 (as described above, the order of both may be changed and one of them may be omitted) in series. ) Is required (the type of lapping paper will be described later).
  • the heated smoking article 50 that can be used in the microparticle generating apparatus according to the present invention may include a tube 54 that provides a moving passage of an aerosol, as shown in FIGS. 2 and 3, the tube 54 PLA is inserted to lower the temperature of the aerosol to prevent the user from being burned when inhaling the aerosol.
  • the filter 52 serving as a mouthpiece serves to prevent the aerosol passing and the liquid inflow as shown in FIGS. 2 and 3.
  • the filter can be made of pulp and can be made in the form of a cylinder or tube.
  • the filter can improve the user's satisfaction by including a flavor component.
  • Flavoring ingredients include, for example, licorice, sucrose, fructose syrup, isosweetener, cocoa, lavender, cinnamon, cardamom, celery, fenugreek, cascarilla, sandalwood, bergamot, geranium, honey essence, rose oil, vanilla, lemon Oil, orange oil, mint oil, cinnamon, caraway, cognac, jasmine, chamomile, menthol, cinnamon, ylang-ylang, sage, spearmint, ginger, coriander or coffee.
  • the liquid composition may contain nicotine without a cigarette body 58 made of tobacco kerosene, and a tube and a filter may be sequentially stacked in a liquid cartridge and wrapped with wrapping paper to produce a heated smoking article 50.
  • the heated smoking article 50 is usually wrapped with a plurality of layers of lapping paper 60, which wraps the first wrapping paper surrounding the portion where the liquid cartridge is located, and wraps the liquid cartridge and the tobacco body by tobacco kerosene together downstream or upstream thereof. It can be wrapped with multiple layers of wrapping paper, such as a second wrapping paper, a third wrapping paper wrapping the tubes together thereon, and a fourth wrapping paper wrapping all parts of the heated smoking article thereon.
  • the heating-type smoking article can be obtained through various steps of lapping, and in some cases, a process of forming a liquid cartridge may be performed separately or may be performed through a continuous line.
  • the inside of the wrapping paper which wraps all parts of the heated smoking article, is wrapped at the same time with padding of different materials or thicknesses. It is also possible.
  • the liquid cartridge that can be applied to the microparticle generating apparatus is wrapped with a wrapping paper serving as a housing for the liquid absorbent in which the liquid composition is absorbed.
  • a tube and a filter are sequentially stacked at the downstream end of the liquid cartridge.
  • the filter and tube are wrapped by a wrapping paper together with a liquid cartridge.
  • the liquid composition in the liquid cartridge is retained in the liquid cartridge while being absorbed by the liquid absorbent, does not flow out of the liquid cartridge, is vaporized by heating and generates an aerosol.
  • the wrapping paper is preferably made of a material that is not deformed by high heat and contact with a liquid or does not generate harmful components to the human body.
  • the wrapping paper may be made of a metal thin film or a metal foil, and as described above, a metal thin film or a metal thin plate may be padded on a paper-made wrapping paper.
  • the filter 52 provided on the downstream side of the liquid cartridge 56 may have a hollow portion for airflow formation, but a filter having no hollow portion may be used.
  • the filter may be composed of at least one segment, and may include, for example, at least one of a tube filter, a cooling structure, and a recess filter.
  • the tube filter has a shape including a hollow inside.
  • the tube filter and recess filter can be made of cellulose acetate, and the tube serving as a cooling structure can be made of pure polylactic acid or a combination of other degradable polymers and polylactic acid.
  • the filter may be made of a material such as acetate, paper, or PP, and the filter wrapper surrounding the filter may be classified into plain paper, porous paper, perforated paper, NWA (Non Wrapped Acetate), and the like.
  • the type of filter can be classified into a mono filter consisting of one segment and a composite (double, triple, etc.) filter consisting of several segments.
  • the filter may be made of acetate tow, plasticizer, activated carbon, X-DNA, paper.
  • Acetate tow refers to an aggregate of continuous filaments of cellulose acetate, and plays a decisive role in determining suction resistance, the most important property of a filter. The properties of acetate tow are determined by Denia.
  • the plasticizer softens and softens the cellulose acetate fibers, thereby forming bonds at the contact points between the fibers and making the fiber bundles harder.
  • Triacetin is used as a plasticizer for cigarette filters.
  • Activated carbon which is one of the adsorbents, is a substance mainly composed of carbon, and can be classified according to particle size and properties.
  • the raw materials used for activated carbon are vegetable raw materials, such as wood, sawdust, and fruit flakes (palm shell, bamboo, peach seeds).
  • X-DNA refers to functional particles processed from seaweed after being extracted and concentrated. Compared to activated carbon, which is mainly used for cigarette filters, it does not affect the taste of cigarettes, and it has an excellent function of removing various carcinogens.
  • the function of the wrapping paper 60 maintains the shape of the filter flocks during filter manufacture.
  • properties such as porosity, tensile strength, elongation, thickness, and glue adhesion must be satisfied.
  • the length of the liquid cartridge 56 is 14.0 mm
  • the length of the filter 52 or the tube 54 may be 2.5 mm, respectively
  • the length of the cigarette body 58 including tobacco cuts may be 9.0 mm. These preferred values may vary as the liquid cartridge 56 or the cigarette body 58 is omitted, as described above.
  • FIG. 4 is an exploded perspective view of the microparticle generating device according to the first embodiment of the present invention
  • FIG. 3 is an exploded cross-sectional view of the microparticle generating device according to the first embodiment of the present invention.
  • the microparticle generating apparatus includes an aerosol-forming substrate inside and a smoking article 50 wrapped with the wrapping paper 60 on the outside is inserted. It is a gripping and portable sized microparticle generating device that forms an aerosol by heating an aerosol-forming substrate of a smoking article 50 having a cavity 100 that can be inserted into the cavity.
  • electrical components are disposed in the lower case and the upper case, not shown.
  • a rechargeable battery 210 functioning as DC power in the present invention and a control board 220 constituting a control unit in the present invention are disposed at the lower portion, and actual heat is generated thereon. The electrical equipment used for is placed.
  • a cover case is coupled to the upper case to surround the upper case.
  • the present invention is directed to a microparticle generating device of a size that can be gripped and carried.
  • the rechargeable battery 210 can be recharged through a charging means such as a USB cable, and the user inserts the smoking article 50 into the cavity 100 of the microparticle generating device in a charged state and induces it as described below.
  • the susceptor is heated by heating to generate an aerosol in the smoking article 50 and to inhale it.
  • the battery 210 functions as a DC power source and is supplied to the excitation coil 300 as an AC current through the control unit 220 as described later.
  • the micro-particle generating device according to the present invention can be easily carried by a user with a size that can be gripped.
  • the electrical components used for heat generation are parts for induction heating, a susceptor (magnetization heating element) in which induction heating is caused by eddy current loss by reacting with the excitation coil 300 wound in a cylindrical shape a number of times, and the excitation coil 300.
  • the susceptor is a hollow cylindrical thin plate defining a cavity 100 into which a smoking article 50 can be inserted, provided inside the excitation coil 300 so that the excitation coil 300 is enclosed within the device. It is preferably made of a metal heat pipe 400 is heated to a temperature of 400 °C or less by induction heating by eddy current loss by reacting with the excitation coil 300.
  • the temperature of the susceptor may be heated to a temperature of 1000°C or higher, but the present invention is characterized in heating the susceptor to a temperature of 400°C or lower.
  • the susceptor is heated to a temperature of 100 to 400° C. according to the magnitude of the alternating current applied to the excitation coil 300 to heat the aerosol-forming substrate provided inside the smoking article 50 inserted into the cavity 100 to aerosol Causes
  • the target temperature may be in the range of 200 to 350°C, and according to a more preferred example, the target temperature may be in the range of 250 to 320°C (eg, 280°C as the target). May be).
  • the target temperature may be in the range of 150 to 250°C (for example, 180°C may be set as the target temperature), which is a liquid or gel-like glycerin or a tobacco body or glycerin to generate an aerosol. This may vary depending on whether or not the cigarette is absorbed.
  • the aerosol generated in the smoking article 50 is sucked into the user's mouth through the tube 54 and the filter 52, so if the temperature of the generated aerosol is excessively high even when considering cooling during the inhalation process, the user
  • the target temperature of the susceptor should be determined in advance in view of this, since it may cause discomfort or burns to the patient, and too much aerosol may be generated.
  • the upper limit of the target temperature of the susceptor is limited as above.
  • the temperature at which the generated aerosol passes through the tube 54 and the filter 52 may be measured as the mouth end temperature.
  • the temperature of the aerosol is 50°C. It should be less than, preferably, at a temperature of 45° C. or less.
  • the preferred aerosol mouth end temperature has a temperature range of 25 to 45 °C, and the more preferred aerosol mouth end temperature has a temperature range of 30 to 40 °C.
  • One or more susceptors may be provided, and in the first embodiment of the present invention, a heat pipe 400 and a heat stick 800 provided in a case serve as a susceptor.
  • the heat pipe 400 is an outer surface of the smoking article 50 in which the inner surface of the heat pipe 400, which is a susceptor, is inserted into the cavity 100 from the outside of the smoking article 50, which is generally cylindrical.
  • the heat stick 800 In contact with at least a portion of the induction heated susceptor heats the aerosol-forming substrate inside the wrapping paper 60 by heat transfer, and the heat stick 800 is inserted into the smoking article 50 and inside the smoking article 50 In the form of heating the aerosol-forming substrate.
  • both the heat pipe 400 and the heat stick 800 are manufactured in a thin shape, and the heat stick 800 is closed with a thin hollow rod at the top forming a tip.
  • the heat pipe 400 is a heat pipe that is a susceptor outside the smoking article 50, which is generally cylindrical.
  • the inner surface of the 400 is in contact with at least a portion of the outer surface of the wrapping paper 60 of the smoking article 50 inserted into the cavity 100, and an induction heated susceptor heat transfers the aerosol inside the wrapping paper 60. Since the forming substrate is heated, the induction-heated heat pipe 400 does not come into direct contact with the tobacco body 58 or the liquid cartridge 56 inside the smoking article 50, and the heat-transferring heat pipe 400 inside the smoking article 50 by heat transfer.
  • the aerosol-forming substrate such as tobacco kerosene or glycerin in the cigarette body 58 or the aerosol-forming substrate such as glycerin in the liquid cartridge 56 is heated to generate an aerosol, a sufficient aerosol is generated from the aerosol-forming substrate and then the smoking article 50 ) Even if the cavity 100 is removed from the cavity 100, there is little possibility that residues or the like originating from the smoking article 50 remain inside the cavity 100.
  • the cavity 100 formed by the heat pipe 400 is a space into which the smoking article 50 can be inserted. After the smoking article 50 is inserted into the cavity 100, it is heated by an induction heated susceptor. , After a predetermined amount of aerosol is formed, otherwise, when the user no longer wants to inhale the aerosol from the smoking article 50, the used smoking article 50 is removed from the cavity 100 and discarded.
  • the size of the cavity 100 should be large enough to allow the smoking article 50 to be inserted, but if the distance from the inner surface of the heat pipe 400 forming the cavity 100 to the outer surface of the smoking article 50 is large, induction Heat transfer from the heated heat pipe 400 to the aerosol-forming substrate inside the smoking article 50 may not be sufficient. Therefore, in the present invention, it is preferable that the inner surface of the heat pipe 400 contacts at least a portion of the outer surface of the wrapping paper 60 of the smoking article 50 inserted into the cavity 100.
  • the present invention is characterized by providing a temperature sensor 420 on the outer surface of the heat pipe 400 which functions as a susceptor and forms a cavity 100 in the center.
  • the temperature sensor 420 functions as a susceptor temperature acquiring unit for obtaining the temperature of the susceptor, which is in contact with the outer surface of the heat pipe 400, which is a susceptor, detects a change in resistance value according to the temperature change of the susceptor and detects the temperature. It is a temperature sensor 420 to measure, and the lead wire 440 of the temperature sensor is electrically connected to the control board 220 serving as a control unit.
  • the temperature sensor 420 and the lead wire 440 of the temperature sensor are wrapped by a heat-resistant shrinkable tube surrounding the outer surface of the heat pipe 400 which is a susceptor to contact the outer surface of the heat pipe 400 which is a susceptor.
  • the temperature sensor 420 and the temperature sensor lead wire 440 are wrapped in the heat pipe 400 using a shrink tube, so that a firm surface contact between the temperature sensor 420 and the heat pipe 400 can be secured.
  • the temperature sensor 420 and the lead wire 440 of the temperature sensor have sufficient elasticity without deteriorating the heat-resistant shrinkable tube in this temperature range. ) Can be fixed in place. Since the temperature sensor 420 is fixed to the outer surface of the heat pipe 400 in this way, it is possible to increase the efficiency of the work process while ensuring contact with the susceptor surface of the temperature sensor 420, and separately, the temperature sensor 420 There is an advantage that does not require any equipment or processing to install the. In the above-described prior art, since the susceptor is provided inside the smoking article, the temperature of the susceptor cannot be directly measured, but in the present invention, the temperature of the susceptor is directly measured by the temperature sensor 420 or as described later. Since the temperature of the susceptor can be calculated by measuring the current and voltage applied to the excitation coil, there is an advantage of controlling the alternating current supplied to the excitation coil according to the temperature of the susceptor during induction heating of the susceptor.
  • the excitation coil 300 is a coil winding body wound several times, and supplies alternating current to the susceptor to cause induction heating due to eddy current loss to the susceptor.
  • the excitation coil 300 is a coil winding body wound several times, and supplies alternating current to the susceptor to cause induction heating due to eddy current loss to the susceptor.
  • the resistance of the excitation coil 300 itself increases. So, as will be described later, it is necessary to be provided between the susceptor and the excitation coil to prevent the heat of the susceptor from being transferred to the excitation coil 300.
  • the heat transferred from the susceptor to the excitation coil 300 is required. It is necessary to lower the temperature of the excitation coil 300 by radiating heat to the outside.
  • a graphite sheet 360 is wrapped on the outer surface of the excitation coil 300.
  • the graphite sheet 360 functions to dissipate heat from the excitation coil 300 to the outside.
  • a ferrite sheet (ferrite sheet) 340 on the outer surface of the excitation coil 300, magnetic leakage to the outside of the excitation coil 300 can be blocked, thereby excitation coil 300 The result is that the magnetic force line of Robutu is concentrated to the susceptor inside the excitation coil 300.
  • one or more of the graphite sheet or the ferrite sheet may be wrapped on the outer surface of the excitation coil 300 to achieve the above effect. More preferably, the graphite sheet 360 and the ferrite sheet 340 are shown in the drawing. It is also possible to wrap the sheets of lamination together so that the excitation coil 300 is wrapped outside.
  • an insulator that prevents the heat of the induction-heated susceptor from being transferred to the other coil 300 is provided.
  • the insulator is an air layer provided separately. It may be 530 (see FIGS. 13 and 14), or may be in the form of an insulating pipe 500 as shown in FIGS. 4 to 6. 6 is a perspective view of an insulated pipe provided in the induction heating type microparticle generator according to the first embodiment of the present invention.
  • the outer circumference of the heat insulating pipe 500 has a smooth shape, and also serves to support the winding of the excitation coil 300, and the groove 510 formed in the axial direction is formed in the inner circumference of the heat insulating pipe 500 along the entire circumferential direction. Arranged over to form an air layer for thermal insulation as well, minimizing the area where the heat pipe 400 bonds to the inner surface of the thermal insulation pipe 500.
  • the internal shape of the heat insulating pipe 500 provided in the first embodiment is a shape in which an axial groove 510 is formed, but the groove has a structure that minimizes a contact surface in various shapes such as a wedge shape, a spiral shape, a ring shape, and a net shape. Any shape may be used. Minimizing the contact surface will be a structure that minimizes the conduction heat transfer from the induction heated susceptor to the insulating pipe.
  • the insulating pipe 500 By arranging the insulating pipe 500 between the excitation coil 300 and the susceptor, it is possible to prevent induction heat generated from the susceptor from being transmitted to the excitation coil 300.
  • the resistance of the excitation coil 300 itself increases, and as a result, the intensity of the magnetic field induced by the excitation coil 300 is weakened, resulting in the amount of induction heating generated by the susceptor. This is lowered. Therefore, by arranging an insulating portion such as an insulating pipe 500 or an air layer between the excitation coil 300 and the susceptor, the amount of heat generated by the susceptor can be improved. In addition, there is an advantage in that it is easy to control the heating temperature of the susceptor because of low energy loss.
  • the heat pipe 400 and the heat stick 800 are formed of a metal material that can be magnetized by the excitation coil 300.
  • a metal material that can be magnetized by the excitation coil 300.
  • One preferred example of the present invention is stainless steel.
  • Stainless steel is available at a relatively low price and has excellent workability, so it is easily processed into a thin cylinder type and functions as a susceptor, so it has excellent magnetization properties for heat generation.
  • the first inner part 600 and the second inner part 700 are made of heat-resistant plastic, and can withstand the heat generated by the heat pipe 500 and the heat stick 800.
  • engineering plastics such as PEEK may form structures such as the first inner part 600 and the second inner part 700 by injection molding.
  • a heat insulating film using a filler having a heat insulation shielding function may be attached to an outer wall of the heat insulating pipe 500 applied for heat insulation to increase the heat insulating effect of the heat insulating pipe 500.
  • the insulating filler ceramic powders such as zirconia with low thermal conductivity, porous silica gel, porous alumina, and airgel ceramic powders may be used.
  • the insulation effect of the insulator can be increased by applying an insulating coating using a filler having an insulation shielding function to the outer wall of the insulation pipe 500 applied for insulation.
  • a filler having an insulation shielding function As the heat-insulating filler, ceramic powders such as zirconia with low thermal conductivity, porous silica gel, porous alumina, and airgel may be used.
  • the insulating pipe can be replaced by a hollow tube.
  • a hollow tube the heat generated in the susceptor can be limited to the aerosol-generating site to improve efficiency.
  • the inside of the hollow tube is most preferably in the form of having an air layer, but can be filled with an insulating material made of a porous material such as aerosol powder or zeolite.
  • an insulating material made of a porous material such as aerosol powder or zeolite.
  • FIG. 7 is a view showing a first inner part provided in the induction heating type microparticle generator according to the first embodiment of the present invention.
  • the first inner part 600 is provided with a disc-shaped groove 610 at the top, and a lower portion of the heat pipe 400 is inserted into and supported by the circular groove 610 do.
  • a plurality of ribs 612 are formed in the disk-shaped groove 610, and are arranged at a predetermined distance from the bottom surface of the circular groove 610. That is, an air layer is formed between the bottom surface of the circular groove 610 and the bottom surface of the heat pipe 400.
  • the air introduced through the air flow path which will be described later, enters and exits.
  • This airflow path forms an airflow path in communication with the cavity 100 defined by the heat pipe 400, the pressure to detect the negative pressure due to the user's puff against the smoking article 50 inserted into the cavity 100 Sensors (not shown) are provided at appropriate locations on the airflow path.
  • the pressure sensor detects the negative pressure caused by the puff of the user with respect to the smoking article 50 inserted in the cavity 100, preferably counts the number of puffs in a control unit described later, or more preferably, is used to calculate the cumulative amount of puffs.
  • the pressure sensor is provided in an appropriate position on the airflow path communicating with the cavity 100 in this embodiment as well as other embodiments to detect sound pressure caused by the user's puff on the smoking article 50 inserted into the cavity 100. Can be used.
  • a hole 616 is formed in the center of the bottom surface of the circular groove 610, through which the upper portion of the heat stick 800 penetrates, and a portion of the upper portion of the heat stick 800 is located in the heat pipe 400.
  • a guide portion 620 for guiding the lead wire of the excitation coil 300 is provided on an outer side of the first inner part 600. The lead wire 320 of the excitation coil 300 may be drawn out through the guide portion 620 to form an electrical contact with the control substrate 220.
  • a fixing part 630 for fixing the first inner part 600 to a bracket for fixing the battery 210 and the control substrate 220 or the like may be provided.
  • the first inner part 600 and the bracket are screwed, and accordingly, the fixing part 630 is a screw hole.
  • a portion of the heat stick 800 is positioned under the first inner part 600, and the second inner part 700 for fixing the heat stick 800 is inserted and fixed to a receiving part 640 for fixing. (See FIG. 5).
  • the second inner part 700 is not necessary.
  • a central hole 616 is not formed.
  • the space of the receiving portion 640 for accommodating the central hole 616 and the second inner part 700 may be applied as a space for an air flow path and a space for installing a pressure sensor.
  • the pressure sensor should be installed on the airflow path communicating with the smoking article 50 inserted into the cavity 100.
  • the heat stick 800 penetrates the first inner part 600 as described above, and the upper rod 810 is located in the heat pipe 400 and the heat stick (800) It is possible to determine the position so as to be located in the heat pipe 400 through the first inner part 600 only a predetermined length, and the flange portion 820 and the flange portion 820 to help fix the heat stick 800 ), the lower rod 830 protruding to the lower portion.
  • the heat stick 800 is a hollow rod, and the upper end of the upper rod 810 is blocked with a tip.
  • the center of the heat stick 800 has an advantage in that an air layer is formed to give an insulating effect, and induction heating can be easily performed compared to a non-hollow type.
  • the heat stick 800 may be formed in a rod type, or when it is assumed that the rod of the rod shown in FIG. 8 is filled, it is also possible to be made of a plate-like material having the same shape as its central section. Alternatively, the plate-like material may be manufactured in a cross shape in a cross shape.
  • the heat stick 800 is made by processing a magnetizable metal material, preferably, a stainless steel sheet, and additional components (eg, heater patterns, etc.) in addition to the heat stick 800 to be processed.
  • the heat stick 800 is inserted into the smoking article 50 and directly in contact with the aerosol-forming substrate inside the smoking article 50, and can be heated by induction heat. There is this. That is, heat transfer is possible by directly contacting the inside of the smoking article.
  • the risk that residues of the aerosol-forming substrate inside the smoking article 50 remains in the cavity 100 is increased, and thus a need for cleaning is generated. It can be.
  • the need to use the heat stick 800 increases, which is easily removed from the smoking article 50 when the shape of the heat stick 800 is easily inserted and removed in the smoking article 50. It will be in keeping the debris from falling into the cavity 100. If the heat stick 800 is provided in a shape capable of such insertion and removal, it will be possible to minimize the disadvantages while having the above-described advantages.
  • FIG. 9 is a view showing a second inner part provided in the induction heating type microparticle generator according to the first embodiment of the present invention.
  • the second inner part 700 is inserted into and fixed to the receiving portion 640 (refer to FIG. 5) formed under the first inner part 600, and the second inner part 700 is The flange portion 820 and the lower rod 830 are engaged to serve to fix the heat stick 800.
  • the upper portion 710 of the second inner part 700 has a shape in which the flange portion 820 of the heat stick 800 is engaged.
  • an insertion groove 720 in which the lower rod 830 of the heat stick 800 is inserted in the center of the upper portion 710 is provided.
  • a fastening portion 730 for fastening with the first inner part 600 is provided at the lower portion.
  • the fastening part 730 is a fastening boss having a screw groove.
  • FIG. 10 is a cross-sectional view of the induction heating type microparticle generator according to the first embodiment of the present invention.
  • Induction heating microparticle generating apparatus according to the first embodiment of the present invention, the outside air introduced through the hole formed in the cover case not shown, the air flow hole 140 formed in the upper case, the first inner part ( The microparticles generated while the smoking article 50 inserted into the heat pipe 400 is heated through the through-hole 614 (see FIG. 7) of 600 and the airflow pass space 120 and inserted into the heat pipe 400 or The user can inhale the aerosol.
  • both the heat pipe 400 and the heat stick 800 were used as susceptors, but in another embodiment, the heat pipe 400 is changed to a non-magnetizable material so that it does not generate heat and only smokes. It is also possible to use a pipe that only accommodates the article 50 and to use only the heat stick 800 as a susceptor.
  • FIG. 11 is a cross-sectional view of the induction heating type microparticle generator according to the second embodiment of the present invention
  • FIG. 12 is an exploded perspective view of the induction heating type microparticle generator according to the second embodiment of the present invention.
  • the induction heating type microparticle generator according to the second embodiment of the present invention does not include a heat stick as a susceptor, but includes only a heat pipe 400 into which a smoking article 50 is inserted. Therefore, the inner part also includes only the first inner part 600 for supporting the heat pipe 400, and unlike the first embodiment, the second inner part is not included.
  • the first inner part 600a provided in the second embodiment does not need to pass through the heat stick, and thus does not have a through hole in the bottom surface.
  • a plurality of ribs are formed to float the lower end of the heat pipe 400, and a through hole through which air can be introduced is provided on the side.
  • the aerosol-forming substrates 56, 58 of the smoking article 50 into the inner cavity 100 of the heat pipe 400 functioning as a susceptor were shown exaggerated so that the components of the smoking article 50 could be seen. It should be large enough to fit. Accordingly, the aerosol-forming substrates 56 and 58 are heated according to the heating of the heat pipe, thereby generating an aerosol inside the smoking article 50.
  • the second embodiment includes all of the configurations of the first embodiment, except for the difference not including the heat stick.
  • the sound pressure that the user inhales through the smoking article 50 through the airflow path space 120 may be detected by a pressure sensor installed at an appropriate location.
  • FIG. 13 is a cross-sectional view showing a third embodiment of the induction heating microparticle generator according to the present invention
  • FIG. 14 is a cross-sectional view showing a fourth embodiment of the induction heating microparticle generator according to the present invention.
  • the heat pipe 400 functioning as a susceptor is not located in the heat insulating pipe 500 unlike the first and second embodiments
  • the heat insulating pipe 520 (FIG. 14) Reference) and the heat pipe 400 functioning as a susceptor shows an example in which the air layer 530 is clearly provided.
  • the air layer 530 functions as an insulating part to block heat from the heat pipe 400 to the excitation coil 300.
  • the lower end of the heat pipe 400 is supported by the first inner part as in the first and second embodiments. Since the shape is somewhat different, it is described as the first inner part support part 650 by changing the drawing number. . However, as in the first and second embodiments, the lower end of the heat pipe 400 is supported.
  • the upper end of the heat pipe 400 is supported by an insulating structure 520 that can correspond to the insulating pipes of the first and second embodiments.
  • the heat insulating structure 520 supports the upper end of the heat pipe 400 and provides a space in which the excitation coil 300 can be wound on its outer circumference. As described above, heat transferred from the heat pipe 400 which is a susceptor to the excitation coil 300 by the air layer 530 and the insulating structure 520 may be minimized.
  • the above-described shrink tube 460 is provided on the outer surface of the heat pipe 400 to serve to fix the temperature sensor 420 and the lead wire 440 of the temperature sensor to contact the heat pipe 400, and excitation coil
  • a sheet having a graphite sheet 360 and a ferrite sheet 340 laminated is wrapped outside the excitation coil 300.
  • the first inner part support 650 and the heat insulating structure 520 which are all insulating plastic structures, are made of ceramic powder with low thermal conductivity at positions supporting the heat pipe 400, which is a susceptor.
  • the heat pipes 400 By supporting the heat pipes 400 through separate heat insulator rings 560 and 562, heat from the heat pipes can be prevented from being transferred out through the structure.
  • FIG. 15 is a view showing an embodiment of a circuit block diagram for induction heating in the induction heating type microparticle generator according to the present invention.
  • the induction heating microparticle generator heats the susceptor 2007 using induction heating.
  • the MCU 2001 controls the power boost circuit 2002 to control the battery ( The DC voltage supplied from 2003) is amplified by the power boosting circuit 2002 for induction heating to supply DC current to the induction heater control logic 2004.
  • the power boosting circuit 2002 is applied for stable power supply for induction heating of the susceptor 2007 when the battery 2003 is used as the power for induction heating.
  • the MCU 2001 also inputs a PWM signal to the induction heater control logic 2004.
  • the induction heater control logic 2004 converts the DC current supplied from the power boost circuit 2002 into AC current while switching according to the PWM signal input from the MCU 2001, and supplies it to the coil 2006 to supply the susceptor (2007). ) To induction heating.
  • a PWM signal is input to the induction heater control logic 2004 to transmit the resonance frequency obtained by the values of the coil 2006 and the capacitor 2005 to raise the temperature of the susceptor 2007 during initial driving.
  • the induction heater control logic 2004 supplies an alternating current to the coil 2006 at a resonant frequency.
  • a PWM signal is input to the induction heater control logic 2004 so that the temperature of the susceptor 2007 does not rise any more than the resonance frequency so that the temperature of the susceptor 2007 no longer rises, and the induction heater control logic ( 2004) supplies AC current to the coil 2006 at a frequency farther than the resonance frequency.
  • the PWM signal may be input to the induction heater control logic 2004 so that the MCU 2001 adjusts the frequency with time as preset, and according to the embodiment, the current sensor 2008 and the voltage sensor 2009 )
  • the frequency of the alternating current supplied to the controller can be controlled.
  • the induction heater control logic 2004 supplies the alternating current to the coil 2006
  • the susceptor 2007 is induction heating and the susceptor 2007
  • the temperature of and the inductance or reactance value is changed, and accordingly the current and voltage for heating the susceptor 2007 are changed.
  • the current sensor 2008 measures the current supplied to the coil 2006 and inputs it to the MCU 2001, and the voltage sensor 2009 converts the AC voltage supplied to the coil 2006 into a DC voltage, and the voltage that the MCU can check. Converted to the level and input to the MCU (2001).
  • the temperature of the susceptor (2007) is calculated by changing the current and voltage values input through the current sensor (2008) and the voltage sensor (2009).
  • the temperature change of the septer 2007 is sensed and the frequency of the PWM signal is adjusted according to the required temperature, input to the induction heater control logic 2004, and the induction heater control logic 2004 is based on the PWM signal input from the MCU 2001. It is possible to supply an alternating current to the coil 2006 while adjusting the frequency.
  • FIG. 16 is a view showing another embodiment of a circuit block diagram for induction heating in the induction heating type microparticle generator according to the present invention.
  • the configuration of the same reference numerals as in FIG. 16 to FIG. 15 has the same operation.
  • a temperature sensor 2010 for sensing the temperature of the susceptor 2007 is provided, and the value sensed by the temperature sensor 2010 Input to the MCU 2001, the MCU 2001 detects the temperature change of the susceptor 2007, adjusts the frequency of the PWM signal according to the required temperature, inputs it to the induction heater control logic 2004, and induction heater
  • the control logic 2004 may supply an alternating current to the coil 2006 while adjusting the frequency according to the PWM signal input from the MCU 2001.
  • the heat generation of the susceptor can be easily controlled by the induction heating type microparticle generating device directly measuring the temperature of the susceptor by including the susceptor as a part of the device.
  • the induction heating microparticle generator can heat the magnetizing heating element by a one-piece excitation coil wound in a cylindrical shape, and by providing an insulating pipe between the magnetizing heating element and the excitation coil, preventing overheating of the excitation coil By doing so, the heating efficiency of the magnetized heating element can be improved.

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Abstract

La présente invention concerne un appareil de génération de particules fines de type chauffage par induction, et fournit un appareil de génération de particules fines de type chauffage par induction comprenant : une bobine d'excitation; un suscepteur qui réagit avec la bobine d'excitation et dans lequel un chauffage par induction se produit en raison de la perte de courant de foucault; une unité d'acquisition de température de suscepteur pour acquérir la température du suscepteur; et une partie d'isolation qui bloque le transfert de chaleur entre le suscepteur et la bobine d'excitation.
PCT/KR2019/018324 2018-12-21 2019-12-23 Appareil de génération de particules fines ayant un dispositif de chauffage par induction Ceased WO2020130752A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201980084508.5A CN113226083A (zh) 2018-12-21 2019-12-23 具有感应加热器的微粒生成装置
EP19898135.9A EP3900552A4 (fr) 2018-12-21 2019-12-23 Appareil de génération de particules fines ayant un dispositif de chauffage par induction
JP2021536340A JP7280365B2 (ja) 2018-12-21 2019-12-23 誘導加熱ヒータを有する微細粒子発生装置

Applications Claiming Priority (4)

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KR10-2018-0167863 2018-12-21
KR20180167863 2018-12-21
KR10-2019-0172899 2019-12-23
KR1020190172899A KR102381044B1 (ko) 2018-12-21 2019-12-23 유도가열히터를 갖는 미세입자발생장치

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WO2023029482A1 (fr) * 2021-08-30 2023-03-09 惠州市新泓威科技有限公司 Dispositif de génération d'aérosol doté d'un tube de chauffage par induction
JP2023099072A (ja) * 2020-09-07 2023-07-11 ケーティー アンド ジー コーポレイション エアロゾル生成装置
JP2023533663A (ja) * 2020-07-14 2023-08-04 ジェイティー インターナショナル エスエイ エアロゾル発生装置を制御する方法
CN116570074A (zh) * 2023-03-07 2023-08-11 深圳市飞雾科技有限公司 香料气溶胶生成系统
JP2023540817A (ja) * 2020-09-16 2023-09-26 ニコベンチャーズ トレーディング リミテッド エアロゾル供給デバイス
US20230354886A1 (en) * 2020-08-17 2023-11-09 Jt International Sa Aerosol Generating Article
RU2813289C2 (ru) * 2021-02-18 2024-02-09 Филип Моррис Продактс С.А. Устройство, генерирующее аэрозоль, со стенкой отделения
WO2024164130A1 (fr) * 2023-02-07 2024-08-15 东莞市汉桦生物科技有限公司 Cartouche basée sur un chauffage par induction électromagnétique et cigarette électronique
EP4313223A4 (fr) * 2021-03-26 2025-04-30 Dynavap, LLC Module de chauffage par induction et dispositif de réglage pour chauffage par induction
US12336565B2 (en) 2019-01-24 2025-06-24 Inno-It Co., Ltd. Liquid cartridge that can be inserted into electrically heated smoking article, electrically heated smoking article including the same, and aerosol generating device and system therefor

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JPWO2024095387A1 (fr) * 2022-11-02 2024-05-10

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