Aerosol-generating device and operating method thereof

Abstract

According to one embodiment, an aerosol-generating device may comprise: a main body; and a cartridge detachably coupled to the main body, the cartridge comprising: a storage tank in which an aerosol-generating substance is stored; a heat-generating structure that heats the aerosol-generating substance; and a core material for supplying the aerosol-generating substance stored in the storage tank to the heat-generating structure, the main body may include: a cartridge sensing circuit sensing a temperature of a heating structure of the cartridge, an output end of the cartridge sensing circuit being not connected to the capacitor; the processor is electrically connected with the smoke cartridge sensing circuit, and the processor can sense the temperature of the heating structural body through the smoke cartridge sensing circuit and control power supply to the smoke cartridge based on the sensed temperature of the heating structural body.

Description

Technical Field

[0001] Various embodiments of this disclosure relate to an aerosol generating apparatus and method of operation that controls power supply by sensing the temperature of a heating structure through a cartridge sensing circuit without a connected capacitor. Background Technology

[0002] Recently, there has been an increasing demand for alternative methods to overcome the drawbacks of conventional cigarettes. For example, there is a growing need for systems that generate aerosols by heating cigarettes or aerosol-generating substances using an aerosol-generating device, rather than by burning cigarettes.

[0003] The use of e-cigarettes that generate aerosols by heating liquid components containing aerosol-generating substances is showing a gradual upward trend. The liquid components in the cartridge can be supplied to the core material (wick) through a predetermined path, and as the core material is heated by a heater, an aerosol can be generated.

[0004] Currently, research on methods for detecting the depletion and remaining amount of liquid components in e-cigarette cartridges is booming. In particular, when heating continues after the liquid components in the cartridge have been depleted, the aerosol-generating substances impregnated in the core material are completely vaporized, resulting in heating only the dry core material instead of the aerosol-generating substances. In this case, the vaporization of the aerosol-generating substances prevents further aerosol generation, and the heating of the core material and / or foreign objects can produce an unpleasant burnt taste for the user.

[0005] Therefore, the aerosol generating device can determine whether the liquid components in the cartridge are depleted and cut off the power supply to the heater when the liquid components are depleted, so as to stop further heating. Summary of the Invention

[0006] The problem the invention aims to solve

[0007] In the process of controlling the power supply to the heater of the e-liquid cartridge by judging whether the liquid component inside the cartridge has been depleted, the control speed and accuracy vary depending on the speed at which the heater temperature of the cartridge is sensed. That is, the faster the heater temperature of the cartridge can be sensed, the faster the depletion of the liquid component can be determined. When it is determined that the liquid component inside the cartridge has been depleted, the aerosol generating device can quickly cut off the power supply to the heater of the cartridge to prevent carbonization inside the cartridge.

[0008] When using a traditional aerosol generating device, there will be a relatively long time difference between the time when the command to sense the temperature of the cartridge is received and the time when the temperature is actually sensed. Therefore, the speed at which the heater temperature of the cartridge is sensed will be reduced.

[0009] Various embodiments of this disclosure aim to provide an aerosol generating apparatus that improves temperature sensing speed by reducing the charging time required to reach saturation current for components that sense the temperature of the heater inside the cartridge.

[0010] The problems to be solved by the embodiments of this disclosure are not limited to the problems described above, and those skilled in the art will clearly understand from this disclosure and the accompanying drawings any problems not mentioned.

[0011] means for solving problems

[0012] In one embodiment, the aerosol generating device may include: a main body; and a cartridge detachably coupled to the main body. The cartridge may include: a storage tank storing aerosol generating material; a heating structure heating the aerosol generating material; and a core material supplying the aerosol generating material stored in the storage tank to the heating structure. The main body may include: a cartridge sensing circuit sensing the temperature of the heating structure of the cartridge, wherein the output of the cartridge sensing circuit is not connected to a capacitor; and a processor electrically connected to the cartridge sensing circuit, wherein the processor can sense the temperature of the heating structure through the cartridge sensing circuit and control the power supply to the cartridge based on the sensed temperature of the heating structure.

[0013] In one embodiment, the operation method of the aerosol generating device may include: a step of sensing the temperature of a heating structure disposed in a cartridge via a cartridge sensing circuit whose output terminal is not connected to a capacitor; and a step of controlling the power supply to the cartridge based on the sensed temperature of the heating structure.

[0014] Invention Effects

[0015] According to various embodiments of this disclosure, by not connecting an additional capacitor to the output of the cartridge sensing circuit, the charging speed of the cartridge sensing circuit can be increased, and with the increase in charging speed, the speed of temperature sensing of the heater inside the cartridge can also be increased.

[0016] In addition, with the improved temperature sensing speed of the heater inside the cartridge, the status of the heater can be obtained quickly and accurately, thus enabling faster and more accurate temperature control of the heater.

[0017] However, the effects of the embodiments are not limited to those described above, and those skilled in the art will clearly understand from this specification and the accompanying drawings the effects not mentioned. Attached Figure Description

[0018] Figure 1 This is a diagram illustrating an aerosol generating apparatus according to an embodiment of the present disclosure.

[0019] Figure 2This is a diagram illustrating an aerosol generating apparatus according to other embodiments of the present disclosure.

[0020] Figure 3 This is a front perspective view of an aerosol generating apparatus according to an embodiment of the present disclosure.

[0021] Figure 4 This is a perspective view of the combined body, cartridge, and cover of an aerosol generating apparatus according to an embodiment of the present disclosure.

[0022] Figure 5 This is a cross-sectional view of an aerosol generating apparatus according to an embodiment of the present disclosure.

[0023] Figure 6 This is a front perspective view of an aerosol generating apparatus according to other embodiments of the present disclosure.

[0024] Figure 7 This is a perspective view of the combined body, cartridge, and cover of an aerosol generating apparatus according to other embodiments of this disclosure.

[0025] Figure 8 This is an exploded perspective view of a smoke cartridge of an aerosol generating apparatus according to other embodiments of the present disclosure.

[0026] Figure 9 This is a cross-sectional view of a smoke cartridge of an aerosol generating apparatus according to other embodiments of the present disclosure.

[0027] Figure 10 This is a cross-sectional view of an aerosol generating apparatus according to other embodiments of the present disclosure.

[0028] Figure 11 This is a cross-sectional view of an aerosol generating apparatus according to one embodiment.

[0029] Figure 12a This is a block diagram of a traditional aerosol generation device.

[0030] Figure 12b This is a block diagram of an aerosol generating apparatus according to one embodiment.

[0031] Figure 13 This is a flowchart of an aerosol generating apparatus controlling the power supply to a cigarette cartridge according to one embodiment.

[0032] Figure 14a It is shown Figure 12a A chart showing the time required for the aerosol generating device to reach saturation current.

[0033] Figure 14b It is shown Figure 12b A chart showing the time required for the aerosol generating device to reach saturation current.

[0034] Figure 15This is a flowchart illustrating the interruption of power supply to the e-cigarette cartridge by an aerosol generating apparatus according to one embodiment.

[0035] Figure 16 This is a block diagram of an aerosol generating apparatus according to an embodiment of the present disclosure. Detailed Implementation

[0036] Hereinafter, the embodiments disclosed in this specification will be described in detail with reference to the accompanying drawings. Unless otherwise specified in the drawing numbers, the same or similar components are given the same reference numerals, and repeated descriptions thereof will be omitted.

[0037] The suffixes “module” and “section” used in the following description are merely for the convenience of completing the instruction manual and are used interchangeably only. They do not have different meanings or functions.

[0038] Furthermore, when describing the embodiments disclosed in this specification, detailed descriptions of relevant well-known technologies will be omitted if they are deemed to obscure the main idea of ​​the embodiments disclosed in this specification. Additionally, the accompanying drawings are only for ease of understanding of the embodiments disclosed in this specification; the technical concepts disclosed in this specification are not limited to the drawings and should be understood to include all modifications, equivalents, and substitutions within the scope of the ideas and techniques of this disclosure.

[0039] Terms including ordinal numbers such as first, second, etc., may be used to describe various constituent elements, but the constituent elements are not limited to the terms. The terms are used only for the purpose of distinguishing one constituent element from other constituent elements.

[0040] When a constituent element is "connected" or "joined" to another constituent element, it should be understood that it can be directly connected or joined to the other constituent element, and there may be other constituent elements between them. Conversely, when a constituent element is "directly connected" or "directly joined" to another constituent element, it should be understood that there are no other constituent elements between them.

[0041] Unless otherwise explicitly stated in the context, singular expressions include plural expressions.

[0042] Figure 1 and Figure 2 This is a diagram illustrating an aerosol generating apparatus 1 according to an embodiment of the present disclosure.

[0043] Reference Figure 1The aerosol generating device 1 may include at least one of a power supply 11, a control unit 12, a sensor 13, a heater 18, and a cartridge 19. At least one of the power supply 11, control unit 12, sensor 13, and heater 18 may be disposed inside the body 10 of the aerosol generating device. The body 10 may have an upwardly opening space for inserting a cartridge S (aerosol generator). This upwardly opening space may be referred to as an insertion space. The insertion space may be formed to be recessed into the body 10 to a predetermined depth so that at least a portion of the cartridge S can be inserted. The depth of the insertion space may correspond to the length of the region of the cartridge S containing the aerosol generating substance and / or medium. The lower end of the cartridge S may be inserted into the interior of the body 10, and the upper end of the cartridge S may protrude outward from the body 10. The user may hold the exposed upper end of the cartridge S in their mouth and inhale air.

[0044] Heater 18 can heat the cigarette stick S. Heater 18 can extend relatively long upwards around the periphery of the space where the cigarette stick S is inserted. For example, heater 18 can be in the form of a tube with an internal cavity. Heater 18 can be disposed around the periphery of the insertion space. Heater 18 can be configured to surround at least a portion of the insertion space. Heater 18 can heat the insertion space or the cigarette stick S inserted into the insertion space. Heater 18 can include a resistance heater and / or an induction heater.

[0045] For example, heater 18 may be a resistance heater. For example, heater 18 includes a conductive track, through which it can be heated when current flows. Heater 18 may be electrically connected to power supply 11. Heater 18 can receive current from power supply 11 for direct heating.

[0046] For example, the aerosol generating device 1 may include an induction coil surrounding a heater 18. The induction coil can heat the heater 18. The heater 18, acting as a susceptor, can be heated by the magnetic field generated by the AC current flowing in the induction coil. The magnetic field passing through the heater 18 can generate eddy currents within the heater 18. The current can generate heat in the heater 18.

[0047] In addition, the cigarette stick S may include a sensor inside, which can generate heat by means of a magnetic field generated by the AC current flowing in the induction coil.

[0048] The interior of the cartridge 19 may contain an aerosol-generating substance in any state (liquid, solid, gaseous, or gel state, etc.). The aerosol-generating substance may contain liquid components. For example, the liquid composition may be a liquid containing tobacco-containing substances with volatile tobacco flavor components, or it may be a liquid containing non-tobacco substances.

[0049] The smoke cartridge 19 can be integrally formed with the fuselage 10 or can be detachably combined with the fuselage 10.

[0050] For example, refer to Figure 1 The smoke cartridge 19 is integrated with the body 10 and can be connected to the insertion space through the airflow channel CN.

[0051] For example, refer to Figure 2 A space is formed on one side of the body 10, and at least a portion of the cartridge 19 is inserted into the space formed on the side of the body 10 so that the cartridge 19 can be mounted on the body 10. An airflow channel CN ​​may be defined by a portion of the cartridge and / or a portion of the body 10, and the cartridge 19 may communicate with the insertion space through the airflow channel CN.

[0052] The device 10 can be configured such that external gas can flow into its interior when the cartridge 19 is inserted. At this time, the external gas flowing into the device 10 can pass through the cartridge 19 and flow into the user's mouth.

[0053] The cartridge 19 may include a storage section C0 containing aerosol-generating material and / or a heater 24 for heating the aerosol-generating material in the storage section C0. A liquid delivery device impregnated with (containing) the aerosol-generating material may be disposed inside the storage section C0. The liquid delivery device may include a core material such as cotton fiber, ceramic fiber, glass fiber, or porous ceramic. The conductive track of the heater 24 may be formed in the form of a coil wound around the liquid delivery device or in contact with one side of the liquid delivery device. The heater 24 may be referred to as a cartridge heater 24.

[0054] The cartridge 19 can generate an aerosol. An aerosol can be generated when the liquid delivery device is heated by the cartridge heater 24. An aerosol can be generated when the stick S is heated by the heater 18. During the passage of the aerosol generated by the cartridge heater 24 and the heater 18 through the stick S, the aerosol may contain tobacco substances, which can be inhaled into the user's mouth through one end of the stick S.

[0055] The aerosol generating device 1 may only have a cartridge heater 24, and the heater 18 may not be installed inside the main body 10. In this case, the aerosol generated by the cartridge heater 24 can carry tobacco substances and be inhaled into the user's mouth while passing through the tobacco stick S.

[0056] The aerosol generating device 1 may include a cover (not shown). The cover may be detachably coupled to the body 10 to cover at least a portion of the cartridge 19 coupled to the body 10. The cartridge S may pass through the cover and be inserted into the body 10.

[0057] Power source 11 provides power to enable the components of the aerosol generating device to operate. Power source 11 may be referred to as a battery. Power source 11 can supply power to at least one of the control unit 12, sensor 13, cartridge heater 24, and heater 18. When the aerosol generating device 1 includes an induction coil, power source 11 can supply power to the induction coil.

[0058] The control unit 12 can control the overall operation of the aerosol generating device. The control unit can be mounted on a printed circuit board (PCB). The control unit 12 can control the operation of at least one of the power supply 11, sensor 13, heater 18, and smoke cartridge 19. The control unit 12 can control the operation of the display, motor, etc., installed in the aerosol generating device. The control unit 12 can determine whether the aerosol generating device is in a state capable of operation by checking the status of each structure of the aerosol generating device.

[0059] The control unit 12 can analyze the results sensed by the sensor 13 and control the subsequent processing. For example, the control unit 12 can control the current supplied to the cartridge heater 24 and / or heater 18 based on the results sensed by the sensor 13 to start or stop the operation of the cartridge heater 24 and / or heater 18. For example, the control unit 12 can control the amount and duration of power supplied to the cartridge heater 24 and / or heater 18 based on the results sensed by the sensor 13, so that the cartridge heater 24 and / or heater 18 can be heated to a predetermined temperature or maintained at an appropriate temperature.

[0060] Sensor 13 may include at least one of a temperature sensor, a puff sensor, an insertion sensor, a color sensor, a cartridge sensor, and a cover sensor. For example, sensor 13 may sense at least one of the following: the temperature of the heater 18, the temperature of the power supply 11, and the internal or external temperature of the device body 10. For example, sensor 13 may sense the user's puff. For example, sensor 13 may sense whether the tobacco stick S is inserted into the insertion space. For example, sensor 13 may sense whether the tobacco cartridge 19 is installed. For example, sensor 13 may sense whether the cover is installed.

[0061] Figure 3 This is a front perspective view of an aerosol generating apparatus according to an embodiment of the present disclosure. Figure 4 This is a perspective view of the combined body, cartridge, and cover of an aerosol generating apparatus according to an embodiment of the present disclosure. Figure 5 This is a cross-sectional view of an aerosol generating apparatus according to an embodiment of the present disclosure.

[0062] Reference Figure 3According to an embodiment of the present disclosure, an aerosol generating device A100 may include a body A3. The aerosol generating device A100 may include a cover A30. The aerosol generating device A100 may include a cartridge A40. The cartridge A40 may be detachably attached to one side of the body A3. The cover A30 may be detachably attached to the body A3 to cover the cartridge A40. A tobacco stick S may penetrate the cover A30 and be inserted into the body A3.

[0063] Reference Figure 4 The fuselage A3 may include a lower fuselage A1 and an upper fuselage A2. The lower fuselage A1 may contain the components of an aerosol generating device A100 (battery, control unit, etc.). The upper fuselage A2 may be connected to the upper side of the lower fuselage A1.

[0064] The upper fuselage A2 may include a column A10 and a mounting portion A20. The column A10 may extend relatively long in the vertical direction. The column A10 may have an outer side wall A11, an inner side wall A12, and an upper wall A13.

[0065] The mounting portion A20 may protrude from the lower part of the inner wall A12 of the column A10. The mounting portion A20 may face upward. The cartridge area A24 may be formed between the inner wall A12 of the column A10 and the mounting portion A20. The cartridge area A24 may be located on one side of the inner wall A12 of the column A10 and may be located above the mounting portion A20.

[0066] The column A10 may have an insertion space A142. The insertion space A142 extends vertically inside the column A10 and may open upward to allow the upper wall A13 to open.

[0067] A fuselage inlet A141 may be formed on one side of the column A10. The fuselage inlet A141 may be formed by opening through the inner sidewall A12. The fuselage inlet A141 may open outwards from the column A10. The fuselage inlet A141 may communicate with the insertion space A142. The fuselage inlet A141 may be configured to face the cartridge area A24. The fuselage inlet A141 may communicate with the cartridge area A24.

[0068] The cartridge A40 can be detachably attached to the upper body A2 in the cartridge area A24. The cartridge A40 can be attached to the inner wall A12 of the column A10 and installed in the mounting part A20 to support the bottom of the cartridge A40. The cartridge A40 may have a first container A41 and a second container A42. The first container A41 may be disposed above the second container A42. The first container A41 may store liquid.

[0069] The cover A30 can cover the upper body A2 and can be detachably combined with the body A3. The cover A30 can cover the upper body A2 and the cartridge A40 combined with the upper body A2. The interior of the cover A30 can form a space for inserting the upper body A2 and the cartridge A40. The interior space of the cover A30 can open downward. The side wall A31 of the cover A30 can surround the side of the interior space of the cover A30. The upper wall A33 of the cover A30 can cover the upper part of the interior space of the cover A30. An insertion port A34 can be formed by opening the upper wall A33. When the cover A30 is combined with the body A3, the insertion port A34 can communicate with the insertion space A142 above the insertion space A142. The sliding cover A35 can be movably disposed on the upper wall A33. The sliding cover A35 can slide on the upper wall A33. The sliding cover A35 can open / close the insertion port A34.

[0070] Reference Figure 5 A first chamber AC1 may be formed inside a first container A41. Liquid may be stored in the first chamber AC1. A second chamber AC2 may be formed inside a second container A42.

[0071] A cartridge inlet A441 can be formed by opening the cartridge A40. A cartridge outlet A442 can be formed by opening the cartridge A40. The cartridge channel A443 can connect the cartridge inlet A441 and the second chamber AC2. The cartridge outlet A442 can communicate with the second chamber AC2.

[0072] The cartridge exhaust port A442 can be formed by opening one side of the second container A42. The exhaust port A422 can surround the cartridge exhaust port A442. The exhaust port A422 can protrude from one side of the second container A42. When the cartridge A40 is combined with the upper fuselage A2, the exhaust port A422 is inserted into the fuselage inlet A141, and the cartridge exhaust port A442 and the fuselage inlet A141 can communicate.

[0073] Core material A45 can be disposed in the second chamber AC2. Core material A45 can be connected to the first chamber AC1. Core material A45 can receive liquid from the first chamber AC1. Heater A46 can heat core material A45 by generating heat. Heater A46 can be disposed in the second chamber AC2. Heater A46 can be wound around core material A45. When heater A46 heats core material A45, an aerosol can be generated around core material A45 within the second chamber AC2.

[0074] Heater terminal A47 may be exposed at the bottom of cartridge A40. Heater terminal A47 may be formed at the bottom of second container A42. Heater terminal A47 may be electrically connected to heater A46. When cartridge A40 is attached to upper body A2, heater terminal A47 contacts first pin A50 for electrical connection. At this time, heater terminal A47 may be referred to as second pin A47.

[0075] The first pin A50 can protrude outward from the mounting portion A20. The first pin A50 can receive power from a battery located inside the lower body A1 via connector A97 to supply power to heater terminal A47 and heater A46. Heater A46 can receive power to generate heat.

[0076] Air from outside the cartridge A40 can flow into the cartridge A40 through the cartridge inlet A441. Air can flow sequentially through the cartridge inlet A441, cartridge channel A443, second chamber AC2, and cartridge outlet A442. Air inside the cartridge A40 can be exhausted to the outside of the cartridge A40 through the cartridge outlet A442. The air flowing into the cartridge A40, together with the aerosol generated in the second chamber AC2, can be exhausted to the outside of the cartridge A40 through the cartridge outlet A442.

[0077] The first pin A50 is located inside the casing A3 and can protrude outward from the casing A3. The casing A3 may include a mounting part A20.

[0078] The mounting portion A20 may have an outer recessed groove A25. The outer recessed groove A25 can be formed by recessing the upper surface A21 of the mounting portion A20 downwards. The outer recessed groove A25 may be located below the cartridge area A24. The upper surface A21 of the mounting portion A20 may be referred to as the outer surface of the housing A3. The outer recessed groove A25 may be formed on the outer surface of the housing A3.

[0079] The lower part of the outer recessed groove A25 can be covered by the bottom A251, and its side can be covered by the peripheral part A252. The upper side of the outer recessed groove A25 can be open. One side of the outer recessed groove A25 can be left open without being covered by the peripheral part A252. If the x-direction shown in the coordinate system is defined as the front, then the front of the outer recessed groove A25 can be open. The upper end of the first pin A50 can protrude upwards or protrude from the bottom A251 of the outer recessed groove A25 towards the upper side of the outer recessed groove A25.

[0080] The bottom of the cartridge A40 may have a shape corresponding to the mounting part A20 and the outer recessed groove A25. When the cartridge A40 is combined with the upper body A2, the bottom of the cartridge A40 is mounted on the mounting part A20, and the first pin A50 and the second pin A47 can be electrically connected to each other.

[0081] Multiple guide portions A253 may be provided. Each guide portion A253 may extend relatively far from front to rear. Each guide portion A253 may be formed at an angle to gradually increase in height from front to rear. Each of the multiple guide portions A253 may be positioned in front of each of the multiple first pins A50. The height of the rear end of the guide portion A253 adjacent to the first pin A50 may be the same as or similar to the height of the first pin A50.

[0082] Therefore, when the cartridge A40 is combined with the upper body A2, the guide A253 can guide the configuration of the cartridge A40 so that the first pin A50 contacts the second pin A47.

[0083] Figure 6 This is a front perspective view of an aerosol generating apparatus according to other embodiments of the present disclosure. Figure 7 This is a perspective view of the combined body, cartridge, and cover of an aerosol generating apparatus according to other embodiments of this disclosure. Figure 8 This is an exploded perspective view of a smoke cartridge of an aerosol generating apparatus according to other embodiments of this disclosure. Figure 9 This is a cross-sectional view of a smoke cartridge of an aerosol generating apparatus according to other embodiments of this disclosure. Figure 10 This is a cross-sectional view of an aerosol generating apparatus according to other embodiments of the present disclosure.

[0084] Reference Figure 6 and Figure 7 According to other embodiments of the present disclosure, the aerosol generating apparatus body B100 may have an upper body B120 and a lower body B110. The upper body B120 may be located above the lower body B110. The lower body B110 may extend vertically. The interior of the body B100 may accommodate components for driving the aerosol generating apparatus. The upper body B120 may provide an insertion space B134 that opens upward. The insertion space B134 may be located inside the upper body B120. The insertion space B134 may extend vertically. The insertion space B134 may be formed within a tube B130 located inside the upper body B120.

[0085] The upper housing B200 may have a hollow shape with an opening at the bottom. The upper fuselage B120 is inserted into the hollow interior of the upper housing B200. The upper housing B200 may be detachably attached to the fuselage B100. The upper housing B200 may cover the upper fuselage B120 in a manner that surrounds it. The lateral portion B211 of the upper housing B200 may surround and cover the side wall B121 of the upper fuselage B120. The upper portion B212 of the upper housing B200 may cover the upper portion B180 or the outer cover B180 of the upper fuselage B120. When the upper housing B200 is attached to the fuselage B100, the upper housing B200 may cover both the fuselage B100 and the cartridge B300. The cartridge B300 may be disposed inside the upper housing B200.

[0086] An insertion port B214 can be formed by opening the upper part B212 of the upper housing B200. The insertion port B214 can correspond to the opening of the insertion space B134. A cover B215 can be movably provided on the upper part B212 of the upper housing B200. A sliding hole B213 is formed on the upper part B212 of the upper housing B200 extending to one side from the insertion port B214. The cover B215 can move along the sliding hole B213. The cover B215 can open / close the insertion port B214 and the insertion space B134. A cigarette stick S can be inserted into the insertion space B134 through the insertion port B214. For example, the cigarette stick S can be a cigarette.

[0087] The outer side wall B121 and the partition B125 can form the lateral portion of the upper fuselage B120. The outer side wall B121 and the partition B125 can be connected. The outer side wall B121 can be covered by the inner surface of the upper housing B200. The partition B125 can separate the cartridge binding space B124a from the insertion space B134.

[0088] The upper fuselage B120 includes a mounting section B122. The mounting section B122 extends to one side from the lower part of the partition B125. The mounting section B122 can be formed on the upper side of the lower fuselage B110. The mounting section B122 can cover the lower part of the cartridge bonding space B124a. The bottom surface of the cartridge B300 can be mounted on the mounting section B122 for support.

[0089] The upper fuselage B120 may include an extension B140. The extension B140 extends to one side from the upper part of the partition B125. The extension B140 extends in the direction of forming the mounting portion B122. The extension B140 can cover the upper part of the cartridge bonding space B124a. The extension B140 can cover the upper end face of the cartridge B300. The extension B140 can cover the cartridge inlet B301 formed in the cartridge B300. A gap for airflow can be formed between the extension B140 and the cartridge inlet B301.

[0090] The cartridge-binding space B124a can be formed on one side of the upper fuselage B120. The cartridge-binding space B124a can be defined by the mounting portion B122, the partition B125, and the extension B140 of the upper fuselage B120. The bottom of the cartridge-binding space B124a can be covered by the mounting portion B122. One side of the cartridge-binding space B124a can be covered by the partition B125 of the upper fuselage B120. The upper side of the cartridge-binding space B124a can be covered by the extension B140. The cartridge-binding space B124a can be open outwards between the mounting portion B122 and the extension B140.

[0091] The cartridge B300 can be inserted into the cartridge engagement space B124a to engage with the device body B100. The cartridge B300 can also be detachably engaged with the device body B100. One side surface B311 of the cartridge B300 can face the partition B125. The upper surface B312 of the cartridge B300 can be covered by the extension B140. The bottom surface B322 of the cartridge B300 can be mounted on the mounting part B122. The cartridge terminal B128 can be connected to the cartridge B300 to supply power to the heater B342 inside the cartridge B300.

[0092] A connecting hook B125a may be formed on the upper body B120. A pressing part B125b may be formed on the upper body B120. A pair of connecting hooks B125a and pressing parts B125b are formed on both sides and can be arranged in opposite positions. The cartridge B300 may include a hook engaging groove B315. The hook engaging groove B315 may be formed at a position corresponding to the connecting hook B125a. When the cartridge B300 is inserted into the cartridge engaging space B124a, the connecting hook B125a engages with the hook engaging groove B315, allowing the cartridge B300 to engage with the body B100. The pressing part B125b and the connecting hook B125a can move in conjunction with each other. When the pressing part B125b is pressed, the connecting hook B125a moves in the direction of separation from the hook engaging groove B315, allowing the cartridge B300 to detach from the body B100.

[0093] A connecting channel B133 may be formed in the lower part of the partition B125. The connecting channel B133 may communicate with the insertion space B134. The connecting channel B133 may open onto one side of the upper fuselage B120. When the cartridge B300 is combined with the fuselage B100, the exhaust port B323 is inserted into the connecting channel B133, and the connecting channel B133 and the cartridge exhaust port B304 may communicate with each other.

[0094] Reference Figure 8The cartridge B300 may include a first container B31 and a second container B32. The first container B31 may be coupled to the upper side of the second container B32. A plate B35 may be coupled between the first container B31 and the second container B32 or between the first container B31 and the frame B33.

[0095] The interior of the first container B31 may have a first chamber BC1 for storing liquid. The first container B31 surrounds the first chamber BC1, and the lower part of the first chamber BC1 may be open. The opening of the first chamber BC1 may be covered by a plate B35.

[0096] Reference Figure 9 The first container B31 may have an inflow channel B302 through which air can pass. The first chamber BC1 and the inflow channel B302 may be separated from each other. The inflow channel B302 may extend vertically to one side of the first container B31.

[0097] The first container B31 may have a cartridge inlet B301. The cartridge inlet B301 can be formed by opening the upper part of the first container B31, and it can communicate with the inflow channel B302. The cartridge inlet B301 can communicate with the upper end of the inflow channel B302. The lower end of the inflow channel B302 can communicate with the connecting hole B351 and the chamber inlet B303.

[0098] The second container B32 can be joined to the lower part of the first container B31. The second container B32 can have a space B324 that is open at the top and covered at the bottom. The frame B33 can be accommodated inside the space B324 of the second container B32.

[0099] The second container B32 may have a cartridge outlet B304. The cartridge outlet B304 may be formed on a lateral portion B321 of the second container B32. The cartridge outlet B304 may be formed inside a port protruding in the thickness direction from the lateral portion of the second container B32. The cartridge outlet B304 may communicate with space B324. The second container B32 may include an outlet B323. The cartridge outlet B304 may be formed inside the outlet B323. The outlet B323 may protrude to one side from a lateral portion B321 of the second container B32. The outlet B323 may surround the cartridge outlet B304. The cartridge outlet B304 may be referred to as outlet B304.

[0100] Frame B33 can be inserted into space B324 inside second container B32 to engage with second container B32. Fastening member B326 protruding from the side wall of second container B32 into space B324 can be fastened to frame B33 to secure frame B33.

[0101] A second chamber BC2 may be provided inside the frame B33. The frame B33 surrounds the second chamber BC2, and the upper part of the second chamber BC2 may be open. The upper part of the second chamber BC2 may be covered by the plate B35.

[0102] Frame B33 may have a chamber inlet B303. The chamber inlet B303 can be formed by opening one side of the sidewall surrounding the second chamber BC2. The chamber inlet B303 can extend upwardly from the second chamber BC2 toward the inflow channel B302. One end of the chamber inlet B303 communicates with the second chamber BC2, and the other end of the chamber inlet B303 can be connected to the inflow channel B302 and the connecting hole B351.

[0103] Frame B33 may have a chamber outlet B332. The chamber outlet B332 may be formed on one side portion of frame B33. The chamber outlet B332 may communicate with the second chamber BC2. The chamber outlet B332 may be formed inside a port protruding in the thickness direction from the side portion of frame B33. The chamber outlet B332 may communicate with the second chamber BC2. The chamber outlet B332 may be formed at a position corresponding to the cartridge outlet B304. The chamber outlet B332 may be formed at a position opposite to the chamber inlet B303, with reference to the second chamber BC2. When frame B33 is combined with the second container B32, the chamber outlet B332 and the cartridge outlet B304 may communicate with each other.

[0104] The frame B33 may have a core material bonding groove B334 inside. The core material bonding groove B334 may communicate with the second chamber BC2. The core material bonding groove B334 can be formed by recessing the second chamber BC2 to one side. A pair of core material bonding grooves B334 may be formed, and the pair of core material bonding grooves B334 may be located on opposite sides of the second chamber C2. The upper part of the core material bonding groove B334 may be open.

[0105] The core material B341 may have a cylindrical shape that extends laterally in the second chamber BC2. Both ends of the core material B341 may be inserted into and disposed in a pair of core material mating grooves B334. The center of the core material B341 may be located in the second chamber BC2. The core material B341 is connected to the first chamber BC1 and can receive liquid from the first chamber BC1. The core material B341 may be fixed in the core material mating grooves B334 by a frame B33 and a plate B35.

[0106] Heater B342 may be wound around the center of core material B341. Heater B342 heats core material B341 by generating heat. For example, heater B342 may be a resistance heater. Heater B342 may be disposed in the second chamber BC2. The end of heater B342 may penetrate through the bottom of frame B33 and be electrically connected to electrodes disposed at the bottom of the second container B32.

[0107] Plate B35 can be attached between the first container B31 and the second container B32, or between the first container B31 and the frame B33. Plate B35 can cover and seal the opening of the first chamber C1. Plate B35 can cover the upper part of the frame B33. Plate B35 can cover and seal the opening of the second chamber BC2.

[0108] A connection hole B351 may be provided on one side of plate B35. The connection hole B351 may be provided between the inflow channel B302 and the chamber inlet B303. The connection hole B351 may connect the inflow channel B302 and the chamber inlet B303.

[0109] Plate B35 may have liquid inlet holes B354. A pair of liquid inlet holes B354 may be formed at positions corresponding to the core material bonding groove B334. The pair of liquid inlet holes B354 may be located on the upper sides of both ends of the core material B341. The liquid inlet holes B354 may connect the first chamber BC1 and the core material bonding groove B334. The core material B341 may be connected to the first chamber BC1 through the liquid inlet holes B354.

[0110] A groove B335 may be formed on the upper side of the chamber outlet B332, adjacent to the chamber outlet B332. A hook B353 may protrude downward from one side of the plate B35. The hook B353 may be inserted into the groove B353 formed on the upper part of the frame B33 and secured. The plate B35 is secured to the frame B33, and the first container B31, which is coupled to the second container B32, may press the edge portion of the plate B35 against the frame B33.

[0111] The user can hold the tobacco stick S, inserted into the insertion space B134, in their mouth and inhale air. With the upper shell B200 and the body B100 combined, air can flow into the cartridge inlet B301 through the opening B201 formed in the upper shell B200. Air flows into the cartridge B300 through the cartridge inlet B301 and can be discharged to the outside of the cartridge B300 through the cartridge outlet B304. The air flowing into the cartridge B300 can be discharged to the outside in sequence through the inlet channel B302, the connecting hole B351, the chamber inlet B303, the second chamber BC2, the chamber outlet B332, and the cartridge outlet B304.

[0112] When heater B342 heats core material B341, core material B341 can form an aerosol within the second chamber BC2. Air passing through cartridge B300 can be discharged together with the aerosol in the second chamber B2 to cartridge outlet B304. The air discharged through cartridge outlet B304 can be supplied to insertion space B134 and the tobacco stick S inserted into insertion space B134 via connecting channel B133.

[0113] Reference Figure 10 The upper fuselage B120 may have an outer side wall B121 and a partition B125. The outer side wall B121 and the partition B125 may be connected. The partition B125 may extend vertically between the tube body B130 and the cartridge bonding space B124a.

[0114] The extension B140 extends to one side from the upper part of the upper fuselage B120. The upper end face B312 of the cartridge B300 can be covered by the extension B140. The extension B140 can cover the cartridge inlet B301 and its surrounding area. Gaps can be formed between the extension B140 and the cartridge inlet B301, and between the lower part of the extension B140 and the upper end face B312 of the cartridge B300. The gaps can connect the outside to the cartridge inlet B301.

[0115] The tube body B130 can be formed to a considerable length in the vertical direction. The tube body B130 can be formed with a hollow structure. An insertion space B134 can be formed inside the tube body B130. The insertion space B134 can open upwards. The insertion space B134 can extend vertically. A connecting channel B133 can be formed inside the tube body B130. The connecting channel B133 can be formed below the insertion space B134. One end of the connecting channel B133 communicates with the outside of the tube body B130, and the other end can communicate with the insertion space B134. The connecting channel B133 can be bent to one side from the lower part of the insertion space B134.

[0116] The first sensor B161 can be disposed inside the extension B140. The first sensor B161 can face the upper end face B312 of the cartridge B300 or the cartridge inlet B301. The first sensor B161 can be disposed adjacent to the cartridge inlet B301. The first sensor B161 can be located above the cartridge inlet B301. Based on the vertical direction, the first sensor B161 can overlap with the cartridge inlet B301.

[0117] The first sensor B161 can sense the flow of ambient air. The first sensor B161 can be an airflow sensor or a pressure sensor. The first sensor B161 can sense airflow by detecting changes in ambient air pressure. Adjacent to the cartridge inlet B301, the extension B140 can have a first sensing hole B144 for sensing airflow. The first sensor B161 is mounted on a substrate disposed inside the extension B140 and can be electrically connected to a control unit (not shown). Based on the airflow sensing by the first sensor B161, the control unit can control the operation of various connected components.

[0118] The first sealing part B151 can be disposed between the first partition part B1251 and the inner plate B171. The first sealing part B151 can surround and fit tightly against the upper end of the first partition part B1251. The first sealing part B151 can fit tightly against the lower end of the inner plate B171.

[0119] The sensor receiving portion B156 of the second sealing part can seal the periphery of the first sensing hole B144. The sensor receiving portion B156 can fit tightly against the extension plate around the periphery of the first sensing hole B144. The second sensing hole formed in the sensor receiving portion B156 can communicate with the first sensing hole B144. The sensor receiving portion B156 can surround and fit tightly against the first sensor B161.

[0120] Therefore, it can prevent substrate or sensor failure caused by foreign objects or aerosols discharged around the opening of tube body B130 or foreign objects passing through the first sensing hole B144.

[0121] Figure 11 This is a cross-sectional view of an aerosol generating apparatus according to one embodiment.

[0122] Reference Figure 11 The aerosol generating device 1100 may include a cartridge 1120 and a main body 1110 detachably attached to the cartridge 1120. However, the internal hardware components of the aerosol generating device 1100 are not limited to... Figure 11 As shown in the diagram. Based on the design of the aerosol generating device 1100, those skilled in the art will understand... Figure 11 Some of the hardware configurations shown can be omitted, or new configurations can be added.

[0123] Hereinafter, the space in which each component is located in the aerosol generating apparatus 1100 is not limited, and the operation of each component will be explained.

[0124] In one embodiment, the cartridge 1120 may include a housing 1122, a storage slot 1124, a heating structure 1126, and a core material 1128.

[0125] In one embodiment, the housing 1122 may form the overall appearance of the cartridge 1120, and the interior of the housing 1122 may form an internal space (or "installation space") capable of arranging the constituent elements of the cartridge 1120.

[0126] In one embodiment, the storage tank 1124 may be disposed inside the housing 1122, and the storage tank 1124 may store aerosol-generating substances. The aerosol-generating substances stored in the storage tank 1124 may move toward the core material 1128 by means of gravity.

[0127] At this point, the aerosol-generating material may include tobacco-containing substances containing volatile tobacco flavor components, or may include liquid components containing non-tobacco substances.

[0128] According to one embodiment, the liquid composition may comprise any one of water, a solvent, ethanol, a plant extract, a flavoring agent, a flavoring agent, and a vitamin mixture, or a mixture thereof. The flavoring agent may include, but is not limited to, menthol, peppermint, spearmint oil, and various fruit flavoring ingredients. The flavoring agent may include ingredients capable of providing a variety of aromas or flavors to the user. The vitamin mixture may be a mixture of at least one of vitamin A, vitamin B, vitamin C, and vitamin E, but is not limited to. Furthermore, the liquid composition may contain aerosol forming agents, such as glycerin and propylene glycol.

[0129] For example, a liquid composition may comprise a solution of glycerol and propylene glycol in any weight ratio with added nicotine salts. The liquid composition may contain more than two nicotine salts. Nicotine salts can be formed by adding an acid containing an organic or inorganic acid to nicotine. The nicotine may be naturally occurring or synthetic nicotine and may have any weight concentration relative to the total solution weight of the liquid composition.

[0130] The acid used to form nicotine salts can be appropriately selected by taking into account factors such as the rate of nicotine absorption in the blood, the operating temperature of the aerosol generating device 1100, flavor or taste, and solubility. For example, the acid used to form nicotine salts can be a single acid selected from the group consisting of: benzoic acid, lactic acid, salicylic acid, lauric acid, sorbic acid, levulinic acid, pyruvic acid, formic acid, acetic acid, propionic acid, butyric acid, valeric acid, hexanoic acid, caprylic acid, capric acid, citric acid, myristic acid, palmitic acid, stearic acid, oleic acid, linoleic acid, linolenic acid, phenylacetic acid, tartaric acid, succinic acid, fumaric acid, gluconic acid, saccharinic acid, malonic acid, and malic acid; or a mixture of two or more acids selected from this group, but not limited thereto.

[0131] In one embodiment, the core material 1128 can absorb aerosol-generating substances supplied from the storage tank 1124. For example, the core material 1128 can be a cotton core material capable of absorbing aerosol-generating substances, but the type of core material is not limited to this. In other examples, the core material 1128 can also be a ceramic core material.

[0132] In one embodiment, the heating structure 1126 can generate an aerosol by heating the aerosol-generating material absorbed by the core material 1128. For example, the heating structure 1126 may be configured to be formed in the form of a coil and surround at least a portion of the core material 1128, but is not limited thereto. In other examples, the heating structure 1126 may also be configured to be formed in the form of a plate and attached to at least one side of the core material 1128.

[0133] In one embodiment, the main body 1110 may include a main body housing 1115, a processor 1130, a battery 1140, and a cartridge sensing circuit 1150.

[0134] In one embodiment, the main housing 1115 can form the overall appearance of the main body 1110, and the interior of the main housing 1115 can form an internal space capable of arranging the constituent elements of the main body 1110.

[0135] In one embodiment, battery 1140 can supply the power required for the operation of aerosol generating device 1100. For example, based on the state of cartridge 1120 connected to body 1110 (e.g., overheated state, preheated state, etc.), battery 1140 can supply power to heating structure 1126 disposed within cartridge 1120. In other examples, battery 1140 can supply the power required for the operation of processor 1130.

[0136] At this time, battery 1140 can be a rechargeable battery or a disposable battery. For example, battery 1140 can be a lithium polymer (LiPoly) battery, but the type of battery 1140 is not limited to this.

[0137] In one embodiment, the processor 1130 can control the power supply of the battery 1140 to the heating structure 1126 based on the state of the cartridge 1120.

[0138] For example, when the aerosol generating material in the storage slot 1124 of the cartridge 1120 is depleted, the processor 1130 can prevent the heat-generating structure 1126 from overheating by interrupting the power supply to the heat-generating structure 1126.

[0139] In one embodiment, the cartridge sensing circuit 1150 can sense the electrical characteristics of the cartridge 1120. For example, the electrical characteristics may include, but are not limited to, the resistance, current, voltage and their changes of the heating structure 1126 within the cartridge 1120.

[0140] Processor 1130 senses the electrical characteristics of cartridge 1120 via cartridge sensing circuit 1150 to determine the state of cartridge 1120. For example, when the resistance value of the heating structure 1126 sensed by cartridge sensing circuit 1150 exceeds a critical value, processor 1130 can determine that the aerosol generating material in cartridge 1120 is depleted. In other examples, when the resistance value of the heating structure 1126 sensed by cartridge sensing circuit 1150 is below a critical value, processor 1130 can determine that the aerosol generating material in cartridge 1120 is sufficient.

[0141] Figure 12a This is a block diagram of a traditional aerosol generation device.

[0142] Reference Figure 12a A conventional aerosol generating device may include a cartridge 1120 and a main body 1210 detachably connected to the cartridge 1120. In this case, the cartridge 1120 may include a heating structure 1226, and the main body 1210 may include a processor 1230, a battery 1240, and a cartridge sensing circuit 1250. Furthermore, through electrical connection with the heating structure 1226 of the cartridge 1120, the cartridge sensing circuit 1250 can sense the electrical characteristics of the heating structure 1226.

[0143] The cartridge sensing circuit 1250 in the main body 1210 of a conventional aerosol generating device may include a capacitor 1200 at the output terminal. Since the capacitor 1200 with a predetermined capacitance (e.g., 100nF) is provided at the output terminal, ripple and noise present in the input / output power supply of the aerosol generating device can be eliminated.

[0144] For example, when alternating current (AC) power is rectified and converted to direct current (DC) power, some residual AC signal may remain. This residual AC signal can be called ripple voltage. In conventional circuit design, to prevent power supply instability or noise caused by ripple voltage, a capacitor 1200 with appropriate capacitance is usually connected in parallel at the output terminal and grounded.

[0145] Figure 12b This is a block diagram of an aerosol generating apparatus according to one embodiment.

[0146] Reference Figure 12bThe aerosol generating device 1100 may include a cartridge 1120 and a main body 1110 detachably attached to the cartridge 1120. The cartridge 1120 may include a heating structure 1126, and the main body 1110 may include a processor 1130, a battery 1140, and a cartridge sensing circuit 1150. Furthermore, with electrical connection to the heating structure 1126 of the cartridge 1120, the cartridge sensing circuit 1150 can sense the electrical characteristics of the heating structure 1126.

[0147] In one embodiment, the aerosol generating apparatus 1100 may not include the capacitors found in conventional aerosol generating apparatuses (e.g.: Figure 12a (e.g., capacitor 1200). For example, for the sake of input / output power supply stability and noise cancellation, the aerosol generating device 1100 may not be located in the cartridge sensing circuit (e.g., Figure 12a A grounded capacitor 1200 is installed in the output terminal of the cigarette cartridge sensing circuit 1250.

[0148] According to conventional aerosol generating devices, when capacitor 1200 is connected in parallel to the output terminal of cartridge sensing circuit 1250, it can prevent power supply instability and noise caused by ripple voltage, but the connected capacitor 1200 may reduce the charging and discharging speed of cartridge sensing circuit 1250.

[0149] In one embodiment, the cartridge sensing circuit 1150 can sense electrical characteristics by being electrically connected to the heating structure 1126. These electrical characteristics may include, but are not limited to, the resistance, current, voltage, and their changes of the heating structure 1126 within the cartridge 1120. That is, the processor 1130 can sense the temperature of the heating structure 1126 based on the electrical characteristics sensed by the cartridge sensing circuit 1150.

[0150] At this point, in order to perform accurate and rapid control of the cartridge 1120, the processor 1130 needs to sense the temperature of the heating structure 1126 without delay. For example, when the aerosol-generating material in the cartridge 1120 is depleted, causing the temperature of the heating structure 1126 to exceed the critical temperature, the processor 1130 needs to sense the temperature of the heating structure 1126 exceeding the critical temperature without delay and interrupt the power supply to the heating structure 1126.

[0151] If the temperature of the heating structure 1126 is above the critical temperature and the power supply interruption to the heating structure 1126 is also delayed, then the core material in the dry state (e.g.: Figure 11 The core material 1128 will be continuously heated, and the heating structure 1126 will also be heated. As a result, unexpected substances (such as foreign objects, core materials, etc.) will be heated and / or carbonized, which may cause users to have an unusual inhalation sensation.

[0152] However, according to conventional aerosol generating devices, if a capacitor 1200 is provided at the output of the cartridge sensing circuit 1250, the capacitor 1200 will remove ripple and noise through low-speed voltage changes, while simultaneously slowing down the charging speed of the cartridge sensing circuit 1250. Therefore, when the heating structure (e.g.: Figure 12a When the temperature of the heat-generating structure 1226 is above the critical temperature, the processor (e.g.: Figure 12a The processor 1230 cannot immediately sense that the temperature of the heat-generating structure 1226 is above the critical temperature.

[0153] Therefore, the aerosol generating apparatus 1100 of this disclosure, by not connecting an additional capacitor 1200 to the output terminal of the cartridge sensing circuit 1150, can improve the charging speed of the cartridge sensing circuit 1150 compared to the cartridge sensing circuit 1150 with the capacitor 1200 connected. Furthermore, with the increased charging speed of the cartridge sensing circuit 1150, the temperature sensing speed of the cartridge sensing circuit 1150 for the heating structure 1126 can also be improved. With the improved temperature sensing speed of the cartridge sensing circuit 1150, the processor 1130 can substantially quickly and accurately obtain the state of the heating structure 1126, thereby enabling faster and more accurate temperature control.

[0154] Figure 13 This is a flowchart illustrating the control of power supply to a cigarette cartridge using an aerosol generating apparatus according to one embodiment. (The last sentence appears to be incomplete and possibly refers to a separate topic.) Figure 13 In the description, descriptions that correspond to, are the same as or similar to the above content will be omitted.

[0155] Reference Figure 13 Processor (e.g.: Figure 11 The processor 1130) can be used in action 1301 via the cartridge sensing circuit (e.g.: Figure 11 The cigarette cartridge sensing circuit 1150) senses a heating structure (e.g., a cigarette cartridge sensing circuit). Figure 11 The temperature of the heating structure 1126. Specifically, through electrical connection with the heating structure 1126, the cartridge sensing circuit 1150 can acquire the electrical characteristics of the heating structure 1126, and can sense the temperature of the heating structure 1126 based on the acquired electrical characteristics.

[0156] In one embodiment, the cartridge sensing circuit 1150 may include a temperature sensor (not shown) electrically connected to the heating structure 1126. In this case, the temperature sensor (not shown) may be a resistor with a fixed resistance value, but is not limited thereto.

[0157] For example, when the cartridge sensing circuit 1150 includes a resistive temperature sensor, the temperature sensor can output a voltage corresponding to the resistance value of the heating structure 1126. The processor 1130 can calculate the resistance value of the heating structure 1126 based on the voltage output by the temperature sensor, and can obtain the temperature of the heating structure 1126 based on the calculated resistance value.

[0158] Furthermore, when the temperature sensor within the cartridge sensing circuit 1150 is a resistor, the temperature sensor can have a resistance value sufficient to sense the temperature of the heating structure 1126. For example, the temperature sensor can have a resistance value of about 0.05Ω or less, and preferably about 0.02Ω or less.

[0159] In one embodiment, the body (e.g.: Figure 11 The main body 1110 may also include a suction sensor (not shown) for sensing the user's inhalation. When the processor 1130 senses the user's inhalation through the suction sensor, the temperature of the heating structure 1126 can be sensed through the cartridge sensing circuit 1150.

[0160] For example, whenever a user's inhalation is detected by the inhalation sensor, the processor 1130 can repeatedly sense the temperature of the heating structure 1126 through the cartridge sensing circuit 1150.

[0161] When the smoke cartridge (e.g.: Figure 11 When the aerosol-generating material of the cartridge 1120 is depleted and the cartridge 1120 is continuously heated, the device may malfunction due to overheating of the heating structure 1126. Furthermore, the user's smoking satisfaction may decrease as unexpected substances (e.g., foreign objects, core materials, etc.) are heated and / or carbonized. Therefore, by sensing the temperature of the heating structure 1126 each time a user inhales, the processor 1130 of this disclosure can repeatedly sense the depletion state of the cartridge 1120, thereby solving the problems of device malfunction risk and reduced user smoking satisfaction.

[0162] According to one embodiment, the processor 1130 can control the power supply to the cartridge 1120 based on the temperature of the heated structure 1126 sensed in action 1303. For example, the processor 1130 can determine the state of the cartridge 1120 based on the temperature of the heated structure 1126, and determine the power supply based on the determined state of the cartridge 1120.

[0163] At this time, the state of cartridge 1120 can refer to the state of cartridge 1120 based on the remaining amount of aerosol-generating material contained within it. For example, when the remaining amount of aerosol-generating material is sufficient, the temperature of the heating structure 1126 is within the normal heating temperature range, and the processor 1130 can determine the state of cartridge 1120 as "normal state". In other examples, when the remaining amount of aerosol-generating material is insufficient (i.e., in the case of depletion), the temperature of the heating structure 1126 may exceed the normal heating temperature range, and the processor 1130 can determine the state of cartridge 1120 as "liquid depletion state".

[0164] Figure 14a It is shown Figure 12a A chart showing the time required for the aerosol generating device to reach saturation current.

[0165] Reference Figure 14a Traditional aerosol generating devices can sense a user's inhalation at a first time point 1400. For example, a traditional aerosol generating device may include an inhalation sensor. When a user's inhalation is sensed at the first time point 1400, the cartridge sensing circuit (e.g.: Figure 12a The cartridge sensing circuit 1250 can detect signals from a battery (e.g., a battery sensor). Figure 12a The battery (1240) receives power to begin charging.

[0166] At this point, after charging to the saturation current of 1430, the cartridge sensing circuit 1250 can sense the heating structure (e.g., Figure 12a The temperature of the heating structure 1226 is measured. At this point, the saturation current 1430 refers to the final current value at which the continuously increasing current value stops increasing. The cartridge sensing circuit 1250 is powered by the battery 1240. The current value of the cartridge sensing circuit 1250 continuously increases and can reach the saturation current 1430 at the second time point 1410. Therefore, the cartridge sensing circuit 1250 can begin sensing the temperature of the heating structure 1226 at the second time point 1410 when the saturation current 1430 is reached.

[0167] In conventional aerosol generating devices, the time difference 1420 between the first time point 1400 and the second time point 1410 can be substantially large. That is, the time from when the cartridge sensing circuit 1250 starts charging based on the user's inhalation (i.e., after the first time point 1400) to when it starts sensing the temperature of the heating structure 1226 (i.e., up to the second time point 1400) may be more than about 500 μs.

[0168] In conventional aerosol generating devices, the time difference 1420 between the first time point 1400 and the second time point 1410 is approximately 500 μs or more. When the cartridge sensing circuit 1250 begins sensing the temperature at the second time point 1410, the processor (e.g.: Figure 12a The processor 1230 may be able to control the temperature at a substantially reduced speed. Therefore, when the temperature of the heat-generating structure 1226 exceeds a critical temperature, the processor 1230 may delay interrupting the power supply to the heat-generating structure 1226, which will increase the risk of failure of the aerosol generation device.

[0169] In traditional aerosol generating devices, the time difference 1420 between the first time point 1400 and the second time point 1410 is approximately 500 μs or more. When the cartridge sensing circuit 1250 begins sensing temperature at the midpoint between the first time point 1400 and the second time point 1410, the processor 1230 may sense a temperature of the heating structure 1226 that is lower than its actual temperature. Therefore, when the processor 1230 controls the heating structure 1226 to correspond to a preset temperature curve, the actual temperature of the heating structure 1226 may be higher than the set temperature. This could result in a burnt taste being provided to the user, reducing the satisfaction of smoking.

[0170] Figure 14b It is shown Figure 12b A graph showing the time required for the aerosol generating device 1100 to reach saturation current.

[0171] Reference Figure 14b According to one embodiment of the aerosol generating apparatus (e.g.: Figure 11 The aerosol generating device 1100 can sense the user's inhalation at a first time point 1440. For example, the aerosol generating device 1100 may include an inhalation sensor. When the user's inhalation is sensed at the first time point 1440, the cartridge sensing circuit (e.g.: Figure 12b The cartridge sensing circuit 1150 can detect signals from a battery (e.g., a battery sensor). Figure 12b The battery (1140) receives power to begin charging.

[0172] At this point, after charging to the saturation current of 1470, the cartridge sensing circuit 1150 can sense the heating structure (e.g., Figure 12b The temperature of the heating structure 1126 is measured. At this point, the saturation current 1470 refers to the final current value at which the continuously increasing current value stops increasing. The cartridge sensing circuit 1150 is powered by the battery 1140, and its current value gradually increases, reaching the saturation current 1470 at a second time point 1450. Therefore, the cartridge sensing circuit 1150 can begin sensing the temperature of the heating structure 1126 at the second time point 1450 when the saturation current 1470 is reached.

[0173] In the aerosol generating device 1100, the time difference 1460 between the first time point 1440 and the second time point 1450 may be substantially small. That is, the time required for the cartridge sensing circuit 1150 from the start of charging based on the user's inhalation (i.e., after the first time point 1440) to the start of sensing the temperature of the heating structure 1126 (i.e., up to the second time point 1450) may only be about 1 μS to 200 μS.

[0174] That is, compared to traditional aerosol generating devices, the cartridge sensing circuit 1150 of the aerosol generating device 1100 can begin sensing the temperature of the heating structure 1126 shortly after the user's inhalation time. Therefore, the processor (e.g.: Figure 12b The processor 1130 can significantly increase the speed at which it controls the temperature. Therefore, when the temperature of the heat-generating structure 1126 exceeds the critical temperature, the processor 1130 can interrupt the power supply to the heat-generating structure 1126 without delay. This design can reduce the possibility of the aerosol generating device 1100 malfunctioning.

[0175] Furthermore, compared to conventional aerosol generating devices, the temperature sensed by the aerosol generating device 1100 for the heating structure 1126 is substantially the same as the actual temperature of the heating structure 1126 (i.e., sensing is performed without actual error). Therefore, the processor 1130 can control the temperature of the heating structure 1126 in a manner that corresponds to a temperature curve, thereby providing the user with the optimal tobacco flavor.

[0176] Figure 15 This is a flowchart illustrating the interruption of power supply to the e-cigarette cartridge by an aerosol generating apparatus according to one embodiment. Figure 15 Involving Figure 13 Actions following action 1301 that correspond to, are the same as, or are similar to the above content will be omitted.

[0177] Reference Figure 15 Processor (e.g.: Figure 11 The processor 1130 can compare the heat-generating structures sensed in action 1501 (e.g., Figure 11 The temperature and critical temperature of the heating structure 1126. For example, the critical temperature may be a preset temperature in the range of about 210°C to about 260°C, but is not limited thereto.

[0178] In this disclosure, "critical temperature" may refer to the cartridge (e.g.: Figure 11The minimum temperature of the heating structure 1126 when the aerosol generating material inside the cartridge 1120 is in a depleted state. That is, when the temperature of the heating structure 1126 exceeds the critical temperature, the processor 1130 can determine that the aerosol generating material inside the cartridge 1120 is in a depleted state.

[0179] For example, when the processor 1130 passes through the cigarette cartridge sensing circuit (e.g.: Figure 11 When the current temperature of the heating structure 1126 sensed by the cartridge sensing circuit 1150 is 250°C and the preset critical temperature is 220°C, the processor 1130 can determine that the aerosol generating substance inside the cartridge 1120 is in a state of depletion.

[0180] In other embodiments, the processor 1130 may also acquire the temperature change based on the sensed temperature of the heating structure 1126 and compare it with a critical change amount. For example, when the processor 1130 senses a temperature change of +40°C in the heating structure 1126 through the cartridge sensing circuit 1150, and the preset critical change amount is +30°C, the processor 1130 may also determine that the aerosol generating substance inside the cartridge 1120 is in a depleted state.

[0181] According to one embodiment, the processor 1130 may interrupt the power supply to the cartridge 1120 in action 1503 based on the temperature of the heating structure 1126 exceeding a preset critical temperature.

[0182] For example, if the aerosol-generating material inside the cartridge 1120 has been depleted but is still being continuously heated by the heating structure 1126, the heating structure 1126 may affect the dry core material (e.g.: Figure 11 The core material 1128 is heated. The dry core material 1128 can refer to a core material in a state where all the aerosol generating substances impregnated inside have been vaporized, resulting in no substantial aerosol generating substances inside.

[0183] When the dry core material 1128 is continuously heated, the heating structure 1126 may overheat, and unexpected substances (such as foreign objects, core material, etc.) may be heated and / or carbonized, thus giving the user an unusual inhalation sensation.

[0184] In other embodiments, the processor 1130 may also interrupt power supply to the cartridge 1120 based on the amount of temperature change of the heating structure 1126 exceeding a critical change.

[0185] Figure 16 This is a block diagram of an aerosol generating apparatus 1 according to an embodiment of the present disclosure.

[0186] The aerosol generating device 1 may include a power supply 11, a control unit 12, a sensor 13, an output unit 14, an input unit 15, a communication unit 16, a memory 17, and at least one heater 18, 24. However, the internal structure of the aerosol generating device 1 is not limited to... Figure 16 As shown in the diagram. That is, based on the design of the aerosol generating device 1, those skilled in the art will understand that... Figure 16 Some of the components shown can be omitted, or new components can be added.

[0187] Sensor 13 can sense the state of aerosol generating device 1 or the state around aerosol generating device 1, and transmit the sensed information to control unit 12. Control unit 12 can control aerosol generating device 1 based on the sensed information to perform various functions, such as controlling the operation of cartridge heater 24 and / or heater 18, restricting smoking, determining whether the stick S and / or cartridge 19 are inserted, and displaying notifications.

[0188] Sensor 13 may include at least one of temperature sensor 131, suction sensor 132, insertion sensor 133, reusable sensor 134, cartridge sensor 135, cap sensor 136, and movement sensor 137.

[0189] Temperature sensor 131 can sense the temperature at which the cartridge heater 24 and / or heater 18 are heated. The aerosol generating apparatus 1 may include a separate temperature sensor for sensing the temperature of the cartridge heater 24 and / or heater 18, or the cartridge heater 24 and / or heater 18 itself may be used as a temperature sensor.

[0190] Temperature sensor 131 can output a signal corresponding to the temperature of cartridge heater 24 and / or heater 18. For example, temperature sensor 131 may include a resistive element whose resistance value changes in response to temperature changes in cartridge heater 24 and / or heater 18. Temperature sensor 131 can be implemented using a thermistor or similar device whose resistance changes with temperature. In this case, temperature sensor 131 can output a signal corresponding to the resistance value of the resistive element as a signal corresponding to the temperature of cartridge heater 24 and / or heater 18. For example, temperature sensor 131 may be constructed by a sensor that detects the resistance value of cartridge heater 24 and / or heater 18. In this case, temperature sensor 131 can output a signal corresponding to the resistance value of cartridge heater 24 and / or heater 18 as a signal corresponding to the temperature of cartridge heater 24 and / or heater 18.

[0191] Temperature sensor 131 can be configured around power supply 11 to monitor the temperature of power supply 11. Temperature sensor 131 can be configured adjacent to power supply 11. For example, temperature sensor 131 can be attached to a surface of battery (power supply 11). For example, temperature sensor 131 can be mounted on a surface of printed circuit board.

[0192] Temperature sensor 131 is located inside the body 10 and can sense the internal temperature of the body 10.

[0193] The suction sensor 132 can sense the user's suction based on various physical changes in the airflow channel. The suction sensor 132 can output a signal corresponding to the suction. For example, the suction sensor 132 can be a pressure sensor. The suction sensor 132 can output a signal corresponding to the internal pressure of the aerosol generating device 1. The internal pressure of the aerosol generating device 1 can correspond to the pressure of the gas flow channel. The suction sensor 132 can be configured to correspond to the gas flow channel in the aerosol generating device 1.

[0194] The insertion sensing sensor 133 can sense the insertion and / or removal of the cigarette stick S. The insertion sensing sensor 133 can sense signal changes caused by the insertion and / or removal of the cigarette stick S. The insertion sensing sensor 133 can be disposed around the periphery of the insertion space. The insertion sensing sensor 133 can sense the insertion and / or removal of the cigarette stick S based on changes in the capacitance within the insertion space. For example, the insertion sensing sensor 133 can be an inductive sensor and / or a capacitive sensor.

[0195] An inductive sensor may include at least one coil. The coil of an inductive sensor may be configured adjacent to the insertion space. For example, when the magnetic field around the coil through which current flows changes, the characteristics of the current flowing through the coil may change according to Faraday's law of electromagnetic induction. These characteristics may include the frequency, current value, voltage value, inductance value, and impedance value of the alternating current.

[0196] Inductive sensors can output a signal corresponding to the characteristics of the current flowing through a coil. For example, an inductive sensor can output a signal corresponding to the inductance value of the coil.

[0197] Capacitive sensors may include conductors. The conductors of a capacitive sensor may be configured adjacent to an insertion space. A capacitive sensor may output a signal corresponding to the surrounding electromagnetic properties (e.g., the capacitance around the conductor). For example, when a cigarette stick S containing a metal wrapping is inserted into the insertion space, the electromagnetic properties around the conductor may change due to the wrapping of the cigarette stick S.

[0198] The reusability sensing sensor 134 can detect whether the cigarette stick S is reusable. The reusability sensing sensor 134 can be a color sensor. The color sensor can sense the color of the cigarette stick S. The color sensor can also sense the color of the portion of the wrapping paper surrounding the cigarette stick S. Based on light reflected from an object, the color sensor can detect the value of an optical property corresponding to the object's color. For example, the optical property could be the wavelength of light. The color sensor can be implemented as a single structure together with a proximity sensor, or it can be implemented as a separate structure from the proximity sensor.

[0199] The color of at least a portion of the packaging paper constituting the cigarette stick S can change due to aerosol. When the cigarette stick S is inserted into the insertion space, the reusable sensing sensor 134 can be positioned corresponding to the location where the color of at least a portion of the packaging paper, which has changed due to aerosol, is positioned. For example, before the cigarette stick S is used by the user, the color of at least a portion of the packaging paper can be a first color. At this time, during the passage of the aerosol generated by the aerosol generating device 1 through the cigarette stick S, as at least a portion of the packaging paper is wetted by the aerosol, the color of at least a portion of the packaging paper can change to a second color. Furthermore, the color of at least a portion of the packaging paper can remain at the second color after changing from the first color to the second color.

[0200] The cartridge sensing sensor 135 can detect the installation and / or removal of the cartridge 19. The cartridge sensing sensor 135 can be implemented by an inductive sensor, a capacitive sensor, a resistive sensor, a Hall sensor (hall IC) utilizing the Hall effect, etc.

[0201] The cover sensing sensor 136 can sense the installation and / or removal of the cover. When the cover is separated from the body 10, the cartridge 19 covered by the cover and a portion of the body 10 may be exposed. The cover sensing sensor 136 can be implemented by a contact sensor, a Hall sensor (hall IC), an optical sensor, etc.

[0202] The motion sensing sensor 137 can sense the movement of the aerosol generating device 1. The motion sensing sensor 137 can be implemented by at least one of an accelerometer and a gyroscope.

[0203] In addition to the sensors (131 to 137) described above, sensor 13 may also include at least one of a humidity sensor, a barometric pressure sensor, a magnetic sensor, a GPS position sensor, and a proximity sensor. The functions of each sensor can be intuitively inferred from their names by those skilled in the art, therefore specific descriptions will be omitted.

[0204] The output unit 14 can output status information of the aerosol generating device 1 and provide it to the user. The output unit 14 may include at least one of the display 141, the tactile unit 142, and the audio output unit 143, but is not limited thereto. When the display 141 and the touchpad form a stacked structure to constitute a touch screen, the display 141 can also be used as an input device in addition to being an output device.

[0205] Display 141 can visually provide information about the aerosol generating device 1 to the user. For example, the information about the aerosol generating device 1 can refer to various information such as the charging / discharging status of the power supply 11, the preheating status of the heater 18, the insertion / removal status of the stick S and / or cartridge 19, the installation / removal status of the cover, or the status of restricted use of the aerosol generating device 1 (e.g., sensing of an abnormal object), etc. Display 141 can output this information externally. For example, display 141 can be in the form of an LED light-emitting element. For example, display 141 can be a liquid crystal display (LCD), an organic light-emitting display (OLED), etc.

[0206] The tactile unit 142 converts electrical signals into mechanical or electrical stimulation, thereby providing information about the aerosol generating device 1 to the user in a tactile manner. For example, when initial power for a set time is supplied to the cartridge heater 24 and / or heater 18, the tactile unit 142 can emit a vibration corresponding to the completion of the initial preheating. The tactile unit 142 may include a vibration motor, a piezoelectric element, or an electrical stimulation device.

[0207] The audio output unit 143 can provide information about the aerosol generating device 1 to the user in an auditory manner. For example, the audio output unit 143 can convert electrical signals into audio signals and output them to the outside.

[0208] Power source 11 provides the electrical power required for the operation of aerosol generating device 1. Power source 11 provides power to enable the cartridge heater 24 and / or heater 18 to be heated. Additionally, power source 11 provides the electrical power required for the operation of other structures (sensor 13, output unit 14, input unit 15, communication unit 16, and memory 17) installed within aerosol generating device 1. Power source 11 can be a rechargeable battery or a disposable battery. For example, power source 11 can be a lithium polymer (LiPoly) battery, but is not limited to this.

[0209] Figure 16 Although not shown in the figure, the aerosol generating device 1 may also include a power protection circuit. The power protection circuit is electrically connected to the power supply 11 and may include a switching element.

[0210] The power protection circuit can block the electrical path of power supply 11 according to predetermined conditions. For example, when the voltage level of power supply 11 is above a first voltage corresponding to overcharging, the power protection circuit can block the electrical path of power supply 11. For example, when the voltage level of power supply 11 does not reach a second voltage corresponding to over-discharging, the power protection circuit can block the electrical path of power supply 11.

[0211] The heater 18 receives power from the power source 11 and can heat the medium or aerosol-generating substance inside the smoke rod S. Figure 16 Although not shown in the figure, the aerosol generating device 1 may further include a power conversion circuit (e.g., a DC / DC converter) to convert the power from the power source 11 and supply it to the cartridge heater 24 and / or the heater 18. Additionally, when the aerosol generating device 1 generates aerosol by induction heating, the aerosol generating device 1 may further include a DC / AC converter to convert the DC power from the power source 11 into AC power.

[0212] The control unit 12, sensor 13, output unit 14, input unit 15, communication unit 16, and memory 17 can receive power from the power supply 11 to perform functions. Figure 16 Although not shown in the figure, the aerosol generating device 1 may also include a power conversion circuit that converts the power from the power source 11 and supplies it to the various components, such as a low dropout linear regulator (LDO) circuit or a voltage regulator circuit. Additionally, Figure 16 Although not shown in the diagram, a noise filter may also be provided between the power supply 11 and the heater 18. The noise filter may be a low-pass filter. The low-pass filter may include at least one inductor and a capacitor. The blocking frequency of the low-pass filter may correspond to the frequency of the high-frequency switching current applied from the power supply 11 to the heater 18. The low-pass filter prevents high-frequency noise components from being applied to sensors 13, such as the insertion sensing sensor 133.

[0213] In one embodiment, the cartridge heater 24 and / or heater 18 can be formed of any suitable resistive material. For example, suitable resistive materials can be metals or metal alloys, including, but not limited to, titanium, zirconium, tantalum, platinum, nickel, cobalt, chromium, hafnium, niobium, molybdenum, tungsten, tin, gallium, manganese, iron, copper, stainless steel, nickel-chromium alloys, etc. Additionally, heater 18 can be implemented using a metal heating plate configured with a metal heating wire and conductive tracks, a ceramic heating element, etc., but is not limited to these.

[0214] In other embodiments, heater 18 may be an induction heating type heater. For example, heater 18 may include a sensor that heats and heats aerosol-generating substances by means of a magnetic field applied by a coil.

[0215] The input unit 15 can receive information input by the user or output information to the user. For example, the input unit 15 can be a touch screen. The touch screen can include at least one touch sensor for sensing touch. For example, the touch sensor can include, but is not limited to, a capacitive touch sensor, a resistive touch sensor, an ultrasonic touch sensor, an infrared touch sensor, etc.

[0216] The display 141 and the touchscreen can be implemented using a single panel. For example, the touchscreen can be inserted into the display 141 (on-cell type or in-cell type). Alternatively, the touchscreen can be an add-on component on the display 141.

[0217] In addition, the input unit 15 may include buttons, a keyboard, a dome switch, a rotary switch, a jog switch, etc., but is not limited to these.

[0218] The memory 17 serves as hardware for storing various data processed within the aerosol generating device 1, and can store data already processed by the control unit 12 as well as data to be processed. The memory 17 may include at least one type of storage medium selected from flash memory, hard disk, multimedia card micro, card-type memory (e.g., SD or XD memory), random access memory (RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM), magnetic storage, magnetic disk, and optical disk. The memory 17 can store data such as the operating time of the aerosol generating device 1, the maximum number of puffs, the current number of puffs, at least one temperature profile, and the user's smoking pattern.

[0219] The communication unit 16 may include at least one component for communicating with other electronic devices. For example, the communication unit 16 may include at least one of a short-range communication unit and a wireless communication unit.

[0220] A short-range wireless communication unit may include, but is not limited to, Bluetooth communication units, Bluetooth Low Energy (BLE) communication units, near-field communication units, Wi-Fi communication units, Zigbee communication units, infrared data association (IrDA) communication units, Wi-Fi Direct (WFD) communication units, ultra-wideband (UWB) communication units, Ant+ communication units, etc.

[0221] The wireless communications unit may include, but is not limited to, cellular network communications, internet communications, computer network (e.g., local area network (LAN) or wide area network (WAN) communications).

[0222] Figure 16Although not shown in the figure, the aerosol generating device 1 may also include a connection interface such as a universal serial bus (USB) interface, and connect to other external devices through such a connection interface to send and receive information or charge the power supply 11.

[0223] The control unit 12 can control the overall operation of the aerosol generating device 1. In one embodiment, the control unit 12 may include at least one processor. The processor may be implemented by an array of multiple logic gates, or by a combination of a general-purpose microprocessor and a memory storing a program that can run on the microprocessor. Furthermore, as will be understood by those skilled in the art to which this embodiment pertains, it may also be implemented by other forms of hardware.

[0224] The control unit 12 can control the temperature of the heater 18 by controlling the power supply from the power source 11 to the heater 18. The control unit 12 can control the temperature of the cartridge heater 24 and / or the heater 18 based on the temperature sensed by the temperature sensor 131. The control unit 12 can adjust the power supplied to the cartridge heater 24 and / or the heater 18 based on the temperature. For example, the control unit 12 can determine the target temperature for the cartridge heater 24 and / or the heater 18 based on the temperature profile stored in the memory 17.

[0225] The aerosol generating device 1 may include a power supply circuit (not shown) electrically connected to the power supply 11 between the power supply 11 and the cartridge heater 24 and / or heater 18. The power supply circuit may be electrically connected to the cartridge heater 24, heater 18, or induction coil. The power supply circuit may include at least one switching element. The switching element may be implemented using a bipolar junction transistor (BJT), a field-effect transistor (FET), or the like. The control unit 12 can control the power supply circuit.

[0226] The control unit 12 can control the power supply by controlling the switching elements of the power supply circuit to turn on and off. The power supply circuit can be an inverter that converts the DC power output from the power supply 11 into AC power. For example, the inverter can be composed of a full-bridge circuit or a half-bridge circuit that includes multiple switching elements.

[0227] The control unit 12 can turn on the switching element to supply power from the power supply 11 to the cartridge heater 24 and / or the heater 18. The control unit 12 can also turn off the switching element to block the power supply to the cartridge heater 24 and / or the heater 18. The control unit 12 can regulate the current supplied to the power supply 11 by adjusting the frequency and / or duty cycle of the current pulses input to the switching element.

[0228] The control unit 12 can control the voltage output by the power supply 11 by controlling the switching elements of the power supply circuit to turn on or off. A power conversion circuit can convert the voltage output by the power supply 11. For example, the power conversion circuit may include a buck converter to reduce the voltage output by the power supply 11. Alternatively, the power conversion circuit can be implemented using a buck-boost converter, a Zener diode, or the like.

[0229] The control unit 12 can adjust the output voltage level of the power conversion circuit by controlling the on / off operation of the switching elements included in the power conversion circuit. When the switching elements are kept on, the output voltage level of the power conversion circuit can be equivalent to the output voltage level of the power supply 11. The duty cycle for the on / off operation of the switching elements can be equivalent to the ratio of the output voltage of the power conversion circuit to the output voltage of the power supply 11. As the duty cycle for the on / off operation of the switching elements decreases, the output voltage level of the power conversion circuit can also decrease. The heater 18 can be heated based on the output voltage of the power conversion circuit.

[0230] The control unit 12 can supply power to the heater 18 using at least one of pulse width modulation (PWM) and proportional-integral-differential (PID) methods.

[0231] For example, the control unit 12 can use PWM to control the supply of current pulses with a predetermined frequency and duty cycle to the heater 18. The control unit 12 can control the current supplied to the heater 18 by adjusting the frequency and duty cycle of the current pulses.

[0232] For example, the control unit 12 can determine the target temperature as the control objective based on the temperature curve. The control unit 12 can use a PID method (a feedback control method that uses the difference between the temperature of the heater 18 and the target temperature, the difference between the integral over time and the difference between the derivative over time) to control the power supplied to the heater 18.

[0233] The control unit 12 can prevent overheating of the cartridge heater 24 and / or heater 18. For example, based on the result that the temperature of the cartridge heater 24 and / or heater 18 exceeds a preset limit temperature, the control unit 12 can control the operation of the power conversion circuit by interrupting the power supply to the cartridge heater 24 and / or heater 18. For example, based on the result that the temperature of the cartridge heater 24 and / or heater 18 exceeds a preset limit temperature, the control unit 12 can reduce the power supplied to the cartridge heater 24 and / or heater 18 by a predetermined percentage. For example, the control unit 12 can determine that the aerosol generating material contained in the cartridge 19 has been depleted based on the result that the temperature of the cartridge heater 24 exceeds a preset limit temperature, and cut off the power supply to the cartridge heater 24.

[0234] The control unit 12 can control the charging and discharging of the power supply 11. The control unit 12 can confirm the temperature of the power supply 11 based on the output signal of the temperature sensor 131.

[0235] When the wire is connected to the battery terminal of the aerosol generating device 1, the control unit 12 can confirm whether the temperature of the power supply 11 is above a first-limited temperature, which serves as a standard for blocking the charging of the power supply 11. When the temperature of the power supply 11 does not reach the first-limited temperature, the control unit 12 can charge the power supply 11 based on a preset charging current. When the temperature of the power supply 11 is above the first-limited temperature, the control unit 12 can block the charging of the power supply 11.

[0236] When the power supply to the aerosol generating device 1 is on, the control unit 12 can check whether the temperature of the power supply 11 is above a second limiting temperature, which serves as a standard for blocking the discharge of the power supply 11. When the temperature of the power supply 11 does not reach the second limiting temperature, the control unit 12 can control the use of the power stored in the power supply 11. When the temperature of the power supply 11 is above the second limiting temperature, the control unit 12 can interrupt the use of the power stored in the power supply 11.

[0237] The control unit 12 can calculate the remaining capacity of the power stored in the power source 11. For example, the control unit 12 can calculate the remaining capacity of the power source 11 based on the voltage and / or current sensing values ​​of the power source 11.

[0238] The control unit 12 can determine whether the tobacco stick S is inserted into the insertion space by using the insertion sensing sensor 133. The control unit 12 can determine the insertion of the tobacco stick S based on the output signal of the insertion sensing sensor 133. When it is determined that the tobacco stick S is inserted into the insertion space, the control unit 12 can control the supply of power to the cartridge heater 24 and / or the heater 18. For example, the control unit 12 can supply power to the cartridge heater 24 and / or the heater 18 based on the temperature profile stored in the memory 17.

[0239] The control unit 12 can determine whether the tobacco stick S has been removed from the insertion space. For example, the control unit 12 can determine whether the tobacco stick S has been removed from the insertion space by using the insertion sensing sensor 133. For example, when the temperature of the heater 18 is above a predetermined temperature, or when the temperature change slope of the heater 18 is above a set slope, the control unit 12 can determine that the tobacco stick S has been removed from the insertion space. When it is determined that the tobacco stick S has been removed from the insertion space, the control unit 12 can cut off the power supply to the tobacco cartridge heater 24 and / or the heater 18.

[0240] The control unit 12 can control the power supply time and / or power supply amount to the heater 18 based on the state of the tobacco stick S sensed by the sensor 13. The control unit 12 can confirm the level range of the signal including the capacitive sensor based on a lookup table. The control unit 12 can determine the moisture content of the tobacco stick S based on the confirmed level range.

[0241] Compared to the normal state, when the tobacco stick S is in an over-wet state, the control unit 12 can increase the preheating time of the tobacco stick S by controlling the power supply time to the heater 18.

[0242] The control unit 12 can determine whether the cigarette stick S inserted in the insertion space is being reused by using the reuse sensing sensor 134. For example, by comparing the sensing value of the signal from the reuse sensing sensor 134 with a first reference range including the first color, the control unit 12 can determine that the cigarette stick S is not being used when the sensing value is within the first reference range. For example, by comparing the sensing value of the signal from the reuse sensing sensor 134 with a second reference range including the second color, the control unit 12 can determine that the cigarette stick S has been used when the sensing value is within the second reference range. When it is determined that the cigarette stick S has been used, the control unit 12 can cut off the power supply to the cartridge heater 24 and / or the heater 18.

[0243] The control unit 12 can determine whether the tobacco cartridge 19 is engaged and / or removed by the tobacco cartridge sensing sensor 135. For example, the control unit 12 can determine whether the tobacco cartridge 19 is engaged and / or removed based on the sensing value of the signal from the tobacco cartridge sensing sensor 135.

[0244] The control unit 12 can determine whether the aerosol-generating material of the cartridge 19 has been depleted. For example, the control unit 12 can preheat the cartridge heater 24 and / or heater 18 by applying electricity, and determine whether the temperature of the cartridge heater 24 in the preheating zone exceeds a predetermined temperature. When the temperature of the cartridge heater 24 exceeds the predetermined temperature, it can be determined that the aerosol-generating material of the cartridge 19 has been depleted. When it is determined that the aerosol-generating material of the cartridge 19 has been depleted, the control unit 12 can cut off the power supply to the cartridge heater 24 and / or heater 18.

[0245] The control unit 12 can determine whether the cartridge 19 is usable. For example, based on the data stored in the memory 17, the control unit 12 can determine that the cartridge 19 is unusable when the current number of puffs exceeds the maximum number of puffs set in the cartridge 19. For example, the control unit 12 can determine that the cartridge 19 is unusable when the total heating time of the heater 24 exceeds the preset maximum time or the total power supplied to the heater 24 exceeds the preset maximum power.

[0246] The control unit 12 can perform judgments regarding the user's inhalation via the inhalation sensor 132. For example, the control unit 12 can determine whether an inhalation has occurred based on the sensing value of the signal from the inhalation sensor 132. For example, the control unit 12 can determine the inhalation intensity based on the sensing value of the signal from the inhalation sensor 132. When the number of inhalations reaches a preset maximum number of inhalations or when no inhalation is sensed for more than a preset time, the control unit 12 can cut off the power supply to the cartridge heater 24 and / or the heater 18.

[0247] The control unit 12 can determine whether the cover is engaged and / or removed by the cover sensing sensor 136. For example, the control unit 12 can determine whether the cover is engaged and / or removed based on the sensing value of the signal from the cover sensing sensor 136.

[0248] The control unit 12 can control the output unit 14 based on the results sensed by the sensor 13. For example, when the number of puffs counted by the puff sensor 132 reaches a preset number, the control unit 12 can inform the user in advance that the aerosol generating device 1 will be shut down soon through at least one of the display 141, the tactile unit 142, and the audio output unit 143. For example, the control unit 12 can inform the user that the aerosol generating device 1 will be shut down soon through the output unit 14 based on the determination that the tobacco stick S is not in the insertion space. For example, the control unit 12 can inform the user that the aerosol generating device 1 will be shut down soon through the output unit 14 based on the determination that the tobacco cartridge 19 and / or the cap is not installed. For example, the control unit 12 can transmit information about the temperature of the tobacco cartridge heater 24 and / or the heater 18 to the user through the output unit 14.

[0249] The control unit 12 can store and update the history of events that occur in the memory 17 based on predetermined events. Events can include various events performed in the aerosol generating device 1, such as sensing the insertion of the tobacco stick S, starting heating of the tobacco stick S, sensing inhalation, ending inhalation, sensing overheating of the cartridge heater 24 and / or heater 18, sensing excessive voltage application to the cartridge heater 24 and / or heater 18, ending heating of the tobacco stick S, power-on / off operation of the aerosol generating device 1, starting charging of the power supply 11, sensing overcharging of the power supply 11, ending charging of the power supply 11, etc. The history of each event can include the date the event occurred, log data corresponding to the event, etc. For example, when the predetermined event is sensing the insertion of the tobacco stick S, the log data corresponding to the event can include data such as the sensing value of the insertion sensing sensor 133. For example, when the predetermined event is overheating sensing of cartridge heater 24 and / or heater 18, the log data corresponding to the event may include data such as the temperature of cartridge heater 24 and / or heater 18, the voltage applied to cartridge heater 24 and / or heater 18, and the current flowing in cartridge heater 24 and / or heater 18.

[0250] The control unit 12 can be controlled by establishing a communication link with an external device such as a user's mobile terminal. When receiving authentication-related data from the external device via the communication link, the control unit 12 can remove restrictions on the use of at least one function of the aerosol generating device 1. The authentication-related data may include data indicating the completion of user authentication for the user corresponding to the external device. The user can perform user authentication via the external device. The external device can determine the validity of user data based on the user's birthday, a unique serial number, etc., and can receive data regarding usage permissions for the aerosol generating device 1 from an external server. The external device can send data indicating the completion of user authentication to the aerosol generating device 1 based on the data regarding usage permissions. When user authentication is complete, the control unit 12 can remove restrictions on the use of at least one function of the aerosol generating device 1. For example, when user authentication is complete, the control unit 12 can remove restrictions on the use of the heating function that supplies power to the heater 18.

[0251] The control unit 12 can send status data of the aerosol generator 1 to the external device via a communication link. Based on the received status data of the aerosol generator 1, the external device can output the remaining power of the power supply 11 of the aerosol generator 1, operating mode, etc., through the external device's display.

[0252] An external device can send a position search request to the aerosol generating device 1 based on input (start searching for the position of the aerosol generating device 1). When a position search request is received from an external device, the control unit 12 can control at least one of the output devices to perform an action corresponding to the position search based on the received position search request. For example, the haptic unit 142 can generate vibration in response to the position search request. For example, the display 141 can output an object corresponding to the position search and the end of the search in response to the position search request.

[0253] When receiving firmware data from an external device, the control unit 12 can control the device by performing a firmware update. The external device can verify the current version of the firmware of the aerosol generating device 1 and determine whether a new firmware version exists. When receiving an input requesting firmware download, the external device can receive the new firmware data and send it to the aerosol generating device 1. With the receipt of the new firmware data, the control unit 12 can control the device by performing a firmware update.

[0254] The control unit 12 can send the sensing values ​​of at least one sensor 13 to an external server (not shown) via the communication unit 16, and can receive and store a learning model generated by learning the sensing values ​​through machine learning such as deep learning from the server. The control unit 12 can use the learning model received from the server to perform actions such as determining the user's inhalation pattern and generating a temperature curve. The control unit 12 can store the sensing value data of at least one sensor 13 and data for learning an artificial neural network (ANN) in the memory 17. For example, the memory 17 can store a database set for each structure of the aerosol generating device 1 for learning the artificial neural network (ANN) and the weights and biases constituting the structure of the artificial neural network (ANN). The control unit 12 generates at least one learning model for determining the user's inhalation pattern and generating a temperature curve by learning the sensing value data of at least one sensor 13 stored in the memory 17, the user's inhalation pattern, the temperature curve, etc.

[0255] The embodiments or other embodiments of this disclosure described above are not exclusive to or different from each other. The configurations or functions of each of the embodiments or other embodiments of this disclosure described above can be used together or combined.

[0256] For example, this means that structure A illustrated in a particular embodiment and / or the accompanying drawings can be combined with structure B illustrated in other embodiments and / or the accompanying drawings. That is, it means that even if the combination between structures is not directly described, it is assumed that the combination can be made unless it is explicitly stated that the combination is not possible.

[0257] The detailed description above should not be construed as limiting in any way, but should be regarded as exemplary. The scope of the invention should be determined by a reasonable interpretation of the appended claims, and all variations within the equivalent scope of the invention are included within the scope of the invention.

Claims

1. An aerosol generating device, characterized in that, include: The main body, and The smoke cartridge can be detachably attached to the main body; The smoke cartridge includes: Storage tank, containing aerosol-generating substances. A heating structure that heats the aerosol-generating substance, and The core material supplies the aerosol-generating substance stored in the storage tank to the heating structure; The subject includes: The cartridge sensing circuit senses the temperature of the heating structure of the cartridge. No capacitor is connected to the output of the cartridge sensing circuit. The processor is electrically connected to the cigarette cartridge sensing circuit; The processor senses the temperature of the heating structure through the cigarette cartridge sensing circuit. The processor controls the power supply to the cartridge based on the sensed temperature of the heating structure.

2. The aerosol generating apparatus according to claim 1, characterized in that, The processor compares the sensed temperature of the heat-generating structure with the critical temperature. The processor interrupts power to the cartridge based on the sensed temperature of the heating structure exceeding the critical temperature.

3. The aerosol generating apparatus according to claim 2, characterized in that, The critical temperature is a preset temperature within the range of 210°C to 260°C.

4. The aerosol generating apparatus according to claim 1, characterized in that, The processor acquires the amount of temperature change of the heating structure based on the sensed temperature of the heating structure. The processor compares the obtained temperature change of the heating structure with the critical change. The processor interrupts the power supply to the cartridge based on the temperature change of the heating structure obtained when the temperature change exceeds the critical change amount.

5. The aerosol generating apparatus according to claim 1, characterized in that, The subject also includes: A suction sensor detects the user's suction. The processor senses the temperature of the heating structure through the cartridge sensing circuit based on the user's inhalation detected by the inhalation sensor.

6. The aerosol generating apparatus according to claim 5, characterized in that, The processor senses the temperature of the heating structure 1 μs to 200 μs after the time point when the user's suction is sensed by the suction sensor.

7. The aerosol generating apparatus according to claim 1, characterized in that, The processor detects the resistance value of the heat-generating structure.

8. The aerosol generating apparatus according to claim 1, characterized in that, The heating structure is a coil heater extending along the periphery of the core material.

9. A method for operating an aerosol generating device, characterized in that, include: The steps of sensing the temperature of the heating structure in the cartridge using a cartridge sensing circuit with no capacitor connected to the output terminal, and The step of controlling the power supply to the cartridge based on the sensed temperature of the heating structure.

10. The method of operating the aerosol generating device according to claim 9, characterized in that, The steps of controlling the power supply to the cartridge include: The step of comparing the sensed temperature of the heating structure with the critical temperature, and The step of interrupting the power supply to the cartridge based on the temperature of the heated structure sensed above the critical temperature.

11. The method of operating the aerosol generating device according to claim 10, characterized in that, The critical temperature is a preset temperature within the range of 210°C to 260°C.

12. The method of operating the aerosol generating device according to claim 9, characterized in that, The steps of controlling the power supply to the cartridge include: The step of obtaining the amount of temperature change of the heating structure based on the sensed temperature of the heating structure. The step of comparing the obtained temperature change of the heating structure with the critical change, and The step of interrupting the power supply to the cartridge based on the temperature change of the heating structure obtained based on the amount of temperature change exceeding the critical change.

13. The method of operating the aerosol generating device according to claim 9, characterized in that, The step of sensing the temperature of the heating structure includes: The step of sensing the temperature of the heating structure through the cartridge sensing circuit based on the user's inhalation detected by the inhalation sensor.

14. The method of operating the aerosol generating device according to claim 13, characterized in that, The step of sensing the temperature of the heating structure 1 μs to 200 μs after the time point when the user's suction is sensed by the suction sensor.

15. The method of operating the aerosol generating device according to claim 9, characterized in that, The step of sensing the temperature of the heating structure includes: The step of detecting the resistance value of the heating structure.

Images