Aerosol generating device and method for controlling the same

Abstract

The present application discloses an aerosol generating device and a control method thereof, comprising: a heater for heating an aerosol generating product to generate an aerosol, wherein the heater comprises a first heating portion and a second heating portion; a cell for providing power; a temperature sensor installed in the first heating portion; and a circuit configured to provide heating energy to the first heating portion and the second heating portion by controlling the cell based on the real-time temperature of the first heating portion detected by the temperature sensor within at least one heating stage of a plurality of heating stages, wherein the heating energy provided to the second heating portion is proportional to the heating energy provided to the first heating portion. The aerosol generating device and the control method thereof implement temperature control for the second heating portion by ensuring that the second heating portion is heated along the first heating portion when no temperature detection is present in the second heating portion.

Description

Technology Field

[0001] This application claims priority to a Chinese patent application filed with the Chinese Patent Office on December 25, 2023, with application number 202311797236.8 and titled "Aerosol generating device and method for controlling the same," the entire contents of which are incorporated into this application by reference.

[0002] The embodiments of the present application relate to the field of electronic atomization technology, and in particular to an aerosol generating device and a method for controlling the same. Background Technology

[0003] Aerosol generators use heaters to heat and bake aerosol-generating products so that users can inhale them. Typically, users expect the aerosol generator to produce aerosols as quickly as possible after activation to reduce the waiting time for aerosol generation. To ensure that the aerosol generator produces aerosols rapidly and provides a satisfactory consumption experience, some solutions have designed and improved heaters or control methods.

[0004] In some methods known to the inventor of the present application, an aerosol generating device typically uses multiple heaters, wherein some heaters are controlled to reach the aerosol generating temperature first, thereby sufficiently preheating and baking some aerosol generating products to generate an aerosol; and then other heaters are controlled to reach the aerosol generating temperature, thereby preheating and baking other aerosol generating products to generate an aerosol. This method is typically expensive because it must be implemented with multiple corresponding temperature sensors.

[0005] With this in mind, some embodiments of the present application provide an aerosol generating device and a method for controlling the same to implement temperature control of a plurality of heaters.

[0006] Some embodiments of the present application provide an aerosol generating device, which,

[0007] A heater for heating an aerosol-generating product to generate an aerosol - said heater includes a first heating portion and a second heating portion -;

[0008] A cell for providing power;

[0009] A temperature sensor installed in the first heating part above;

[0010] A circuit configured to provide heating energy to the first heating portion and the second heating portion by controlling the cell based on the real-time temperature of the first heating portion detected by the temperature sensor within at least one heating stage of a plurality of heating stages, wherein the heating energy provided to the second heating portion is proportional to the heating energy provided to the first heating portion.

[0011] In one example, it further includes a chamber that can be removed to accommodate the aerosol-generating product;

[0012] The first heating portion and the second heating portion are arranged sequentially along the axial direction of the chamber.

[0013] In one example, the heating energy provided to the second heating part and the heating energy provided to the first heating part are in a directly proportional relationship.

[0014] In one example, within the at least one heating step, the proportionality coefficient between the heating energy provided to the second heating part and the heating energy provided to the first heating part does not change.

[0015] In one example, the circuit is configured to adjust or change the proportionality coefficient between the heating energy provided to the second heating portion and the heating energy provided to the first heating portion when transitioning from the previous heating portion to the next heating portion.

[0016] In one example, the circuit is configured to control the cell to simultaneously provide heating energy to the first heating portion and the second heating portion.

[0017] In one example, the at least one heating step includes a plurality of time periods;

[0018] The above circuit is configured to control the cell within the above time period to alternately provide heating energy to the first heating portion and the second heating portion.

[0019] In one example, the above time zone includes a first partial time zone and a second partial time zone;

[0020] The above circuit is,

[0021] Within the above first partial time period, the cell is controlled to provide heating energy to the first heating portion and stop providing heating energy to the second heating portion;

[0022] Within the above second partial time period, the cell is configured to provide heating energy to the second heating portion and stop providing heating energy to the first heating portion.

[0023] In one example, within the time period, when the cell provides heating energy to the first heating portion, if the heating energy provided to the first heating portion is greater than or equal to a preset first energy threshold, the circuit controls the cell to stop providing heating energy to the first heating portion and starts providing heating energy to the second heating portion; or,

[0024] Within the above time period, when the cell provides heating energy to the second heating portion, if the heating energy provided to the second heating portion is greater than or equal to a preset second energy threshold, the cell is configured to control and stop providing heating energy to the second heating portion.

[0025] In one example, the circuit is configured such that, within the time period, when the first heating part is placed in a natural cooling state, or when the cell stops providing heating energy to the first heating part, or when the cell controls the cell to provide heating energy to the second heating part, if the real-time temperature of the first heating part is below a preset temperature threshold, the circuit controls the cell to provide heating energy to the first heating part and stops providing heating energy to the second heating part.

[0026] Other embodiments of the present application provide an aerosol generating device, which,

[0027] A heater for heating an aerosol-generating product to generate an aerosol - said heater includes a first heating portion and a second heating portion -;

[0028] A cell for providing power;

[0029] A circuit configured to control the cell to alternately provide heating energy to the first heating portion and the second heating portion within at least one heating portion of a plurality of heating portions, wherein the heating energy provided to the second heating portion is proportional to the heating energy provided to the first heating portion.

[0030] Other embodiments of the present application provide a method for controlling an aerosol generating device, wherein the aerosol generating device comprises a heater for heating an aerosol generating product and a cell for providing power, and the heater comprises a first heating portion and a second heating portion;

[0031] The above control method is,

[0032] In at least one heating step among a plurality of heating steps, the method comprises the step of controlling the cell based on the real-time temperature of the first heating part detected by the temperature sensor to provide heating energy to the first heating part and the second heating part, wherein the heating energy provided to the second heating part is proportional to the heating energy provided to the first heating part.

[0033] In one example, the heating energy provided to the second heating part and the heating energy provided to the first heating part are in a directly proportional relationship.

[0034] In one example, within the at least one heating step, the proportionality coefficient between the heating energy provided to the second heating part and the heating energy provided to the first heating part does not change.

[0035] In one example, when entering the next heating step from the previous heating step, the proportionality coefficient between the heating energy provided to the second heating part and the heating energy provided to the first heating part is adjusted or changed.

[0036] The aerosol generating device and the control method provided in the embodiment of the present application detect the real-time temperature of a first heating portion through a temperature sensor, and control the cell to provide heating energy to the first heating portion and the second heating portion based on the real-time temperature, and implement temperature control for the second heating portion by ensuring that the heating energy provided to the second heating portion is proportional to the heating energy provided to the first heating portion, thereby ensuring that the second heating portion is heated along with the first heating portion when there is no temperature detection in the second heating portion. Brief explanation of the drawing

[0037] One or more embodiments are described by way of example through images in the corresponding drawings, but such exemplary description is not intended to limit the embodiments, elements having the same reference numeral in the drawings represent similar elements, and images in the drawings are not limited to proportions unless specifically described otherwise. FIG. 1 is a schematic diagram of an aerosol generating device provided in one embodiment. Figure 2 is a schematic diagram of the structure of one embodiment of the heater in Figure 1. Figure 3 is a schematic diagram of the disassembled view of each part of the heater in Figure 2 before mounting. Figure 4 is a schematic diagram of the heating element in Figure 3 after it has been unfolded along the circumferential direction. FIG. 5 is a schematic diagram of guiding current on a heating element in one embodiment. FIG. 6 is a schematic diagram of guiding current on a heating element in another embodiment. FIG. 7 is a schematic diagram of guiding current on a heating element in another embodiment. FIG. 8 is a schematic diagram of guiding current on a heating element in another embodiment. FIG. 9 is a schematic flowchart of a control method in some embodiments of the present application. FIG. 10 is a schematic diagram of the temperature change during the operation process of the first heating part and the second heating part in some embodiments of the present application. FIG. 11 is a schematic diagram of the heating energy supply for the first heating portion and the second heating portion in some embodiments of the present application. FIG. 12 is a schematic flowchart of a control method in another embodiment of the present application. Specific details for implementing the invention

[0038] The present application is described in detail below in conjunction with specific embodiments. The following embodiments are helpful to those skilled in the art for a further understanding of the present application, but do not limit the present application in any form. It should be noted that those skilled in the art may make minor modifications and improvements without departing from the concept of the present application. All of these fall within the scope of protection of the present application.

[0039] To further clarify the purpose, technical solutions, and advantages of the present application, the present application is described in further detail below in conjunction with the drawings and embodiments. The specific embodiments described herein are intended merely to interpret the present application and are not intended to limit the scope of protection of the present application.

[0040] It should be noted that, unless conflicting, each feature of the embodiments of this application may be combined with one another within the scope of protection of this application. Furthermore, although functional modules are partitioned in the device schematic and logical sequences are illustrated in the flowchart, in some cases, steps may be performed differently from the module partitioning in the device schematic or the sequence in the flowchart. Additionally, words such as "first," "second," and "third" used in this text merely distinguish identical claims or similar items that are fundamentally identical in function and operation, and do not limit the data or the order of execution.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application pertains. In this specification, the terms used are intended to describe specific embodiments and are not intended to limit this application. The term "and / or" used herein includes any combination of one or more related enumerated items and all combinations thereof.

[0042] In addition, technical features related to each embodiment of the present application described below may be combined with one another as long as they do not conflict with one another.

[0043] One embodiment of the present application proposes an aerosol generating device (100) as illustrated in FIG. 1, which forms an aerosol for inhalation by heating an aerosol generating product (1000), such as a cigarette, but without burning it, thereby volatilizing or releasing at least one component of the aerosol generating product (1000).

[0044] In an optional embodiment, the aerosol generating product (1000) may preferably use a tobacco-containing material of a volatile compound that is released from the matrix when heated; or a non-tobacco material suitable for electric heating and fuming after heating. The aerosol generating product (1000) may preferably use a solid matrix comprising one or more powders, granules, piece strips, strips, or flakes from vanilla leaves, dried flowers, volatile aromatic herb crops, tobacco leaves, homogeneous tobacco, or expanded tobacco; or the solid matrix may comprise a separate volatile aromatic compound of tobacco or non-tobacco so that it is released when the matrix is ​​heated.

[0045] And as illustrated in FIG. 1, it is advantageous for the aerosol generating product (1000) to be received by the aerosol generating device (100) and then for a portion to be exposed outside the aerosol generating device (100), such as a filter tip, so that the user can inhale it.

[0046] The structure of the aerosol generating device (100) of one embodiment of the present application may be described with reference to the contents illustrated in FIG. 1, and the external shape of the device is generally configured in a roughly flat cylindrical shape, and the external structure of the aerosol generating device (100) is,

[0047] Basically, the case (10) includes a structure that defines the outer surface of the aerosol generating device and forms a hollow structure inside, creating a mounting space for necessary functional components such as electronic components and heater components. The case (10) is provided with a proximal end (110) and a fabric (120) facing each other along the longitudinal direction; during use, the proximal end (110) is one end that is close to the user to facilitate heating and inhalation of the aerosol generating product (1000); and the fabric (120) is one end that is far from the user. Here,

[0048] A receiving port (111) is installed at the root end (110), and the aerosol generating product (1000) can be received within the case (10) by the receiving port (111) and heated or removed from the case (10);

[0049] A gas suction hole (121) is installed in the fabric (120); the gas suction hole (121) allows external air to enter the case (10) during the suction process.

[0050] In some examples, the housing (10) may be formed of a metal or alloy such as stainless steel or aluminum. Other suitable materials include various plastics (e.g., polycarbonate), metal-plated plastic, ceramic, etc.

[0051] As illustrated in FIG. 1, the aerosol generating device (100) is,

[0052] It further includes a chamber for receiving or accommodating an aerosol generating product (1000); during use, the aerosol generating product (1000) is accommodating within the chamber so as to be removable through a receiving port (111).

[0053] And as illustrated in FIG. 1, the aerosol generating device (100) further comprises an air passage (150) located between the chamber and the gas inlet (121); furthermore, during use, the air passage (150) provides a channel path for entering the chamber / aerosol generating product (1000) from the gas inlet (121), as illustrated by the arrow (R11) in FIG. 1.

[0054] As illustrated in FIG. 1, the aerosol generating device (100) is,

[0055] For supplying electricity, preferably a rechargeable DC cell (130) and a cell (130) that can be charged after being connected to an external power source;

[0056] It further includes a circuit (140) in which various elements are arranged or integrated to control the heating or operation of the aerosol generating device (100).

[0057] As illustrated in FIG. 1, the aerosol generating device (100) is,

[0058] At least a portion surrounds and defines the chamber, and when the aerosol generating product (1000) is received within the case (10), at least a portion surrounds or encircles the aerosol generating product (1000) and further includes a heater (30) that heats from the outer circumference of the aerosol generating product (1000). And, when the aerosol generating product (1000) is received within the case (10), at least a portion is housed or maintained within the heater (30).

[0059] Referring to the contents illustrated in FIGS. 2 and 3, the heater (30) is basically configured in a vertically elongated tubular shape, and

[0060] The apparatus includes a tubular base body (31) that surrounds and is arranged around a chamber and, in an embodiment, is surrounded by a tubular hollow (330) of the base body (31) to define a chamber that accommodates an aerosol generating product (1000). The material of the base body (31) may be a material with good thermal conductivity, for example, ceramic, glass, surface-insulated metal or alloy, for example, anodized aluminum, aluminum alloy, copper alloy, stainless steel, etc.; and in use, the base body (31) is limited to receiving and holding the aerosol generating product (1000) in at least a portion. In some embodiments, the thermal conductivity of the base body (31) is at least 10 W / mk, preferably or at least 100 W / mk; or in some embodiments, the thermal conductivity of the base body (31) is greater than or higher than 200 W / mk. In some embodiments, the base body (31) comprises a metal such as aluminum, copper, titanium, or an alloy containing at least one of these, suitable for a high thermal conductivity coefficient.

[0061] In some specific embodiments, the base body (31) has a wall thickness of about 0.05 to 1 mm; the base body (31) has an inner diameter of about 5.0 to 8.0 mm; and the base body (31) has a length of about 30 to 60 mm. In an embodiment, the length of the aerosol generating product (1000) that is surrounded or enclosed by the base body (31) is greater than 30 mm; or the length of the aerosol generating product (1000) that is heated by the base body (31) is greater than 30 mm.

[0062] Referring to the contents illustrated in FIGS. 2 and FIGS. 3, the heater (30) is,

[0063] It further includes a heating element (32) that at least partially surrounds or encircles the base body (31); during use, the base body (31) receives or transfers heat from the heating element (32) to heat the aerosol generating product (1000).

[0064] In some embodiments, the heating element (32) includes a resistance heating element; the heating element (32) generates heat in the resistance row when a direct current flows through the heating element (32). In some embodiments, the material of the heating element (32) is a metal material having a suitable impedance, a metal alloy, graphite, carbon, a conductive ceramic, or a composite material of a metal material and other ceramic materials. Here, the suitable metal or alloy material includes at least one of nickel, cobalt, zirconium, titanium, nickel alloy, cobalt alloy, zirconium alloy, titanium alloy, nickel-chromium alloy, nickel-iron alloy, iron-chromium alloy, iron-chromium aluminum alloy, iron-manganese aluminum-based alloy, or stainless steel. Or in another embodiment, the heating element (32) may further include an electromagnetic induction heating element or an infrared heating element.

[0065] Or in another modified embodiment, the heater (30) may include only a heating element (32), and may contain an aerosol generating product (1000) by surrounding or defining the chamber with the heating element (32) and directly transfer heat to the aerosol generating product (1000) to heat it.

[0066] Furthermore, referring to the contents illustrated in FIGS. 2 and 3, the heating element (32) is configured in a tubular shape that is enclosed or surrounded outside the base body (31). And, the length of the heating element (32) along the longitudinal direction of the heater (30) is smaller than the length of the base body (31); for example, in some specific embodiments, the heating element (32) has a length greater than 20 to 50 mm. For example, specifically, as illustrated in FIGS. 2 and 3, the heater (30) includes a first end (310) and a second end (320) facing away from each other along the longitudinal direction; in specific embodiments, the first end (310) and the second end (320) are defined by both ends along the longitudinal direction of the base body (31). The first end of the heating element (32) has a gap (d1) with the first end (310), and the gap (d1) is about 3 to 10 mm; The second end of the heating element (32) has a gap (d2) with the second end (320), and the gap (d2) is about 3 to 10 mm.

[0067] After mounting, the heating element (32) does not completely encircle or surround the outer surface of the base body (31), thereby providing a first exposed area (311) defined by a gap (d1) at a location close to the first end (310) on the outer surface of the base body (31). And, a second exposed area (312) defined by a gap (d2) at a location close to the second end (320) on the outer surface of the base body (31) is provided. In mounting, the aerosol generating device (100) supports the heater (30) by connecting to the first exposed area defined by the gap (d1) and the second exposed area defined by the gap (d2) through a clamping member, a supporting member, or a fixing member.

[0068] In some embodiments, the heating element (32) and the base body (31) are insulated. In some conventional embodiments, the outer surface of the base body (31) may form a surface insulating layer through methods such as surface anodic oxidation, spray coating, or deposition. The surface insulating layer may include at least one of oxide, glaze, ceramic, organic polymer, etc. Or in some other embodiments, the heating element (32) and the base body (31) may be insulated from each other by installing a single layer of insulated organic polymer film; for example, the organic polymer film may be a polyimide film, a polytetrafluoroethylene film, etc.

[0069] Referring to the contents illustrated in FIGS. 2 to 4, the heating element (32) is a resistance heating mesh. In this embodiment, the heating element (32) is a heating element wound onto a sheet-shaped or mesh-shaped substrate. The wound heating element (32) is not a tubular shape closed in the circumferential direction, but a tube shape having a side opening (335) along the longitudinal direction. The side opening (335) is an extension of the heating element (32) into a second stage along a first stage in the longitudinal direction. In some embodiments, the side opening (335) has a width of about 2 to 6 mm.

[0070] Or in another modified embodiment, the surface of the base body (31) is insulated; and the heating element (32) is a resistance heating trajectory or thin film or coating layer formed on the base body (31) by means such as printing, spray coating, or deposition. For example, the heating element (32) is a resistance heating trajectory that is bent and meandering along the circumferential direction; or, the heating element (32) is a patterned resistance heating trajectory.

[0071] Or, in another modified embodiment, the heating element (32) is an infrared emitting coating layer formed on the base body (31) by means such as printing, spray coating, or deposition; the heating element (32) is an electrical infrared emitting coating layer that emits infrared rays into the chamber when current flows through the infrared emitting coating layer to heat the aerosol generating product (1000). The infrared emitting coating layer for emitting infrared rays may include oxides of at least one or several metal elements such as Mg, Al, Ti, Zr, Mn, Fe, Co, Ni, Cu, Cr, Zn, etc., and such metal oxides may emit far-infrared rays having a heating effect when electrically heated to a suitable temperature.

[0072] As illustrated in FIGS. 2 to 4, the heating element (32) is,

[0073] It includes a first heating portion (321) and a second heating portion (322) arranged along an axial or longitudinal direction; wherein the first heating portion (321) is closer to the root end (110) and / or the first end (310), and the second heating portion (322) is closer to the original material (120) and / or the second end (320);

[0074] A gap (d3) is defined between the first heating portion (321) and the second heating portion (322); by the gap (d3), the first heating portion (321) and the second heating portion (322) are arranged discontinuously. Also, by the gap (d3), the first heating portion (321) and the second heating portion (322) are separated so that they are spaced apart in the longitudinal direction. In some embodiments, the gap (d3) has a length of about 3 to 10 mm. Furthermore, after mounting, the gap (d3) defines a third exposed area (313) forming the surface of the base body (31).

[0075] FIG. 4 illustrates a schematic diagram of a heating element (32) after it has been unfolded along the circumferential direction; in this embodiment, the first heating portion (321) and the second heating portion (322) of the unfolded heating element (32) are in the shape of a net. Furthermore, the length of the unfolded heating element (32) is greater than its width; for example, in FIG. 4, the length size of the unfolded heating element (32) is approximately 32.8 mm, and the width size is approximately 18.7 mm. Furthermore, the ratio of the length size to the width size of the heating element (32) is at least 1.5 or greater, which is advantageous for lowering resistance and increasing power in the same area. In some embodiments, when the ratio of the length size of the heating element (32) to the extended size or circumference along the circumferential direction is at least 1.5 or greater, it may be advantageous to guide current in the circumferential direction of the heating element (32) so that the resistance of the heating element (32) is further reduced to 0.6 Ω or less, or lower; Or, in another embodiment, current is guided in the circumferential direction of the heating element (32) so that the resistance of the heating element (32) is further reduced to 0.3Ω or lower, or lower, making it advantageous to control the total resistance of the heating element (32) to 0.2 to 0.6Ω.

[0076] Furthermore, as illustrated in FIG. 4, in the unfolded heating element (32), the first heating portion (321) is located near or limited to the first stage, and the second heating portion (322) is located near or limited to the second stage. In some embodiments, the extension length of the first heating portion (321) is basically equal to the extension length of the second heating portion (322); or, the first heating portion (321) and the second heating portion (322) have basically the same extension length; for example, in one specific embodiment, the first heating portion (321) and / or the second heating portion (322) have a length of about 15 mm. Or, in another modified embodiment, the extension length of the first heating portion (321) is greater than the extension length of the second heating portion (322); or, the second heating portion (322) is longer than the first heating portion (321).

[0077] In use, the electrodes are spaced apart in the circumferential direction to guide current in the circumferential direction of the first heating portion (321) and the second heating portion (322) of the heating element (32). The unfolded heating element (32) includes a first side (3210) and a second side (3220) facing away from each other along the width direction. The heater (30) is,

[0078] A first electrode (331) that extends from the first end of the heating element (32) out of the second end like a thin, long conductive lead, and conducts electricity by being simultaneously coupled with the first heating part (321) and the second heating part (322) on the first side (3210);

[0079] A second electrode (332) that conducts electricity by being coupled to the first heating part (321) on the second side (3220) like a thin, long conductive lead;

[0080] It further includes a third electrode (333) that conducts electricity by being coupled with the second heating part (322) on the second side (3220), such as a thin and long conductive lead.

[0081] After being placed on the base body (31), the first side (3210) and the second side (3220) define the side opening (335); or, the side opening (335) is located between the first side (3210) and the second side (3220) along the circumferential direction.

[0082] The material of the first electrode (331) and / or the second electrode (332) and / or the third electrode (333) is made of a good conductive metal material having a relatively low resistivity, such as gold, silver, copper, or an alloy containing these. In use, the first electrode (331) and / or the second electrode (332) and / or the third electrode (333) can guide current in the circumferential direction of the first heating part (321) and the second heating part (322). Then, the first electrode (331) and / or the second electrode (332) and / or the third electrode (333) are joined to the heating element (32) by means such as welding to achieve electrical conduction.

[0083] And the heating element (32) is provided with holes, which are basically arranged in a matrix form, an array form, or regularly so that the heating element (32) forms a mesh shape. In the embodiment shown in FIG. 4, the holes are rectangular in shape; and the size of the holes along the length direction of the heating element (32) is larger than the size along the circumferential direction or the width direction. Or the holes extend along the length direction of the heating element (32).

[0084] Or in another modified embodiment, the heating element (32) may further include more heating portions, such as a third heating portion spaced apart from the second heating portion (322) along the longitudinal direction; or may further include a fourth heating portion, a fifth heating portion, etc.

[0085] Correspondingly, the heater (30) may include more electrodes. And, some of these electrodes may be used as common electrodes for a plurality of heating parts. For example, in some specific embodiments, the heater (30) is,

[0086] It may include a first heating portion (321), a second heating portion (322), and a third heating portion;

[0087] The first electrode (331) is positioned on the first side (3210) and extends from the first heating portion (321) to the second heating portion (322), and conducts electricity simultaneously with the first heating portion (321) and the second heating portion (322);

[0088] The second electrode (332) is positioned on the second side (3220) and is coupled only to the first heating part (321) to achieve electrical conduction;

[0089] The third electrode (333) is positioned on the second side (3220) and extends from the second heating portion (322) to the third heating portion, and conducts electricity simultaneously with the second heating portion (322) and the third heating portion;

[0090] The fourth electrode is positioned on the first side (3210) and is coupled only to the third heating part to achieve electrical conduction.

[0091] In the embodiment, the connection method of the above electrodes and circuits can be adjusted so that one of the first heating part (321), the second heating part (322), and the third heating part can be heated individually, two can be connected in parallel or in series, or three can be heated simultaneously in parallel or in series, or mixed.

[0092] Specifically, the hole of the heating element (32) is,

[0093] A first hole (3211) placed in the first heating portion (321);

[0094] It includes a second hole (3221) disposed in the second heating portion (322).

[0095] In some embodiments, the first hole (3211) of the first heating part (321) and / or the second hole (3221) of the second heating part (322) are formed by laser cutting or etching, etc., on a sheet-shaped substrate before the heating element (32) is wound and formed. The first hole (3211) of the first heating part (321) is arranged to form an array so that the first heating part (321) forms a grid shape; and the second hole (3221) of the second heating part (322) is arranged to form an array so that the second heating part (322) forms a grid shape.

[0096] In the embodiments of FIGS. 2 and 4, the first hole (3211) and / or the second hole (3221) is a rectangular hole. Or in some other modified embodiment, the first hole (3211) and / or the second hole (3221) may be shaped like a circle, triangle, or polygon.

[0097] In some embodiments, the area of ​​the first hole (3211) in the first heating portion (321) is smaller than the area of ​​the second hole (3221) in the second heating portion (322). Or, the length of the first hole (3211) in the first heating portion (321) is smaller than the length of the second hole (3221) in the second heating portion (322); or, the width of the first hole (3211) in the first heating portion (321) is smaller than the width of the second hole (3221) in the second heating portion (322). For example, in some embodiments, the first hole (3211) has a length of about 3 to 7 mm and a width of 0.2 to 0.8 mm; and the second hole (3221) has a length of about 4 to 8 mm and a width of 0.7 to 1.2 mm.

[0098] Or in another modified embodiment, the first hole (3211) and / or the second hole (3221) may be arranged in an extended size along the circumferential direction of the heating element (32) and may be larger than the extended size along the longitudinal direction of the heating element (32); that is, the first hole (3211) and / or the second hole (3221) have a longer shape in the circumferential direction.

[0099] In the embodiment illustrated in FIG. 4, along the width direction, the gap (d31) between adjacent first holes (3211) in the first heating portion (321) is about 0.5 mm; along the length direction, the gap (d32) between adjacent first holes (3211) is about 0.5 mm. And in the embodiment illustrated in FIG. 4, along the width direction, the gap (d33) between adjacent second holes (3221) in the second heating portion (322) is about 0.2 mm; along the length direction, the gap (d34) between adjacent second holes (3221) is about 0.2 mm.

[0100] As illustrated in FIG. 4, the heating element (32) is,

[0101] It further includes a connecting portion (324) that is positioned on the first side (3210), extends from the first heating portion (321) to the second heating portion (322), and connects the first heating portion (321) and the second heating portion (322) to conduct electricity. Furthermore, through the connecting portion (324), the gap (d33) is closed on the first side (3210) and the gap (d33) is opened on the second side (3220).

[0102] In some embodiments, a heating element (32) comprising a first heating portion (321), a connecting portion (324), and a second heating portion (322) is integrally molded or manufactured. For example, the first heating portion (321), the connecting portion (324), and the second heating portion (322) are obtained integrally after removing the remaining portion of a sheet-shaped substrate precursor by means such as etching or cutting.

[0103] In the embodiment, the first electrode (331) is combined with the connecting part (324) to conduct electricity to each other, which is advantageous for the stability of the electrical connection between the first electrode (331), the first heating part (321), and the second heating part (322).

[0104] In the embodiment illustrated in FIG. 4, the width of the first heating portion (321) may be larger than the width of the second heating portion (322), so that when the first heating portion (321) and the second heating portion (322) are placed in alignment on the first side (3210), the first heating portion (321) protrudes slightly from the second heating portion (322) on the second side (3220). This is advantageous for preventing the second electrode (332) and the third electrode (333) / second heating portion (322) from becoming misaligned along the longitudinal direction of the heating element (32) after welding the second electrode (332) and the third electrode (333) / second heating portion (322), thereby preventing a short circuit or the like from occurring between them.

[0105] Or, in another modified embodiment, the width of the first heating portion (321) may be equal to the width of the second heating portion (322); thereby, after welding the slender second electrode (332) and the third electrode (333), insulating tubes are placed over the second electrode (332) and the third electrode (333) respectively, or a surface insulating layer is spray-coated to insulate them so that they do not come into contact and short circuit during mounting.

[0106] During use, any two or three of the first electrode (331), the second electrode (332), and the third electrode (333) are selectively connected to the circuit (140) to selectively guide current in the first heating portion (321) and / or the second heating portion (322) of the heating element (32). Specifically, for example, the first electrode (331), the second electrode (332), and the third electrode (333) can be selectively connected to the circuit (140) by means of a switching tube, such as a MOS tube, which can switch between a conductive state and a cut-off state, thereby changing the heating portion of the aerosol generating product (1000) by the heating element (32).

[0107] By selectively connecting the first electrode (331), the second electrode (332), and the third electrode (333) to the circuit (140) according to different electrical connection methods, one of the first heating part (321) and the second heating part (322) can be selectively heated individually, or the first heating part (321) and the second heating part (322) can be selectively heated simultaneously in a serial or parallel connection method.

[0108] Specifically, for example, one of the first heating part (321) or the second heating part (322) is operated independently to be heated, and the other is not operated and is not heated, so that a portion of the aerosol generating product (1000) can be heated independently; and for example, the first heating part (321) or the second heating part (322) is connected to the circuit (140) in a different serial or parallel connection manner so that the first heating part (321) or the second heating part (322) simultaneously heats different portions of the aerosol generating product (1000) with different power, thereby causing the portion surrounded by the first heating part (321) or the second heating part (322) in the aerosol generating product (1000) to form a different temperature and thus form different aerosol generating efficiencies.

[0109] Specifically, for example, FIG. 5 illustrates a schematic diagram in which, in one embodiment, the first electrode (331) and the second electrode (332) are each connected to the circuit (140), and then the first electrode (331) and the second electrode (332) are each connected to the positive and negative electrodes of the cell (130) to form a circuit and guide current (i11) to the first heating portion (321). As illustrated in FIG. 5, in the connection method forming a closed circuit as shown in FIG. 5, only a working current in the circumferential direction is formed in the first heating portion (321), and no current exists in the second heating portion (322).

[0110] As illustrated in FIG. 5, when guiding current in the first heating portion (321) through the first electrode (331) and the second electrode (332), a slight resistance conductor path is formed in the first heating portion (321) along the circumferential direction from the first electrode (331) to the second electrode (332); this slight resistance conductor path is basically extended by being bypassed and bent; and this slight resistance conductor path is formed by being limited by a slight first hole (3211).

[0111] Specifically, for example, FIG. 6 illustrates a schematic diagram in which, in another embodiment, the first electrode (331) and the third electrode (333) are each connected to the circuit (140), and then the first electrode (331) and the third electrode (333) are each connected to the positive and negative electrodes of the cell (130) to form a circuit and guide current (i21) to the second heating portion (322). As illustrated in FIG. 6, in the connection method forming a closed circuit as in FIG. 6, only a working current in the circumferential direction is formed in the second heating portion (322), and no current exists in the first heating portion (321). As illustrated in FIG. 6, when guiding current in the second heating portion (322) through the first electrode (331) and the second electrode (332), a slight resistance conductor path is formed in the second heating portion (322) along the circumferential direction from the first electrode (331) to the third electrode (333); This slight resistance conductor path is basically extended by being bypassed and bent; this slight resistance conductor path is formed by being limited by a slight second hole (3221).

[0112] In the embodiments of FIGS. 5 and 6, the path width of the current (i11) is greater than the path width of the current (i21). Thus, when guiding the current in the circumferential direction of the first heating part (321) and the second heating part (322) according to the method of FIG. 5 or 6, the resistance value of the first heating part (321) is smaller than the resistance value of the second heating part (322).

[0113] FIG. 7 is a schematic diagram illustrating a current guide in which the first heating part (321) and the second heating part (322) are simultaneously connected in parallel in another embodiment; in FIG. 7, the first electrode (331) is connected to the circuit (140) to conduct current with the positive electrode of the cell (130), and the second electrode (332) and the third electrode (333) are connected to the circuit (140) to conduct current with the negative electrode of the cell (130). By simultaneously forming the circumferential current (i12) of the first heating part (321) and the circumferential current (i22) of the second heating part (322), the first heating part (321) and the second heating part (322) are heated simultaneously. At this time, the voltage at both ends of the first heating part (321) and the second heating part (322) connected in parallel is the same; As can be seen from the relationship between power, voltage, and resistance value P=U² / R, the resistance of the first heating part (321) is relatively smaller, so that the first heating part (321) has a greater heating power than the second heating part (322).

[0114] FIG. 8 illustrates a schematic diagram of guiding current so that the first heating part (321) and the second heating part (322) are simultaneously connected in series in another embodiment. In FIG. 8, the second electrode (332) is connected to the circuit (140) to conduct current with the positive electrode of the cell (130), and the third electrode (333) is connected to the circuit (140) to conduct current with the negative electrode of the cell (130); in the corresponding embodiment, the first electrode (331) is not connected to the circuit so that the first heating part (321) and the second heating part (322) are arranged to be connected in series in FIG. 8. Also, in FIG. 8, the total current (i13) of the first heating part (321) is the same as the total current (i23) of the second heating part (322). As can be seen from the relationship between power, current, and resistance value P=I²×R, when the resistance of the first heating part (321) is smaller than the resistance of the second heating part (322), the power of the first heating part (321) is smaller than that of the second heating part (322).

[0115] In the embodiment, the circuit (140) selectively uses any one of the methods in FIGS. 5 to 8 to supply electricity to the heating element (32), thereby causing the first heating part (321) and the second heating part (322) to heat only one of them or heat them simultaneously.

[0116] Or in another modified embodiment, the heater (30) is,

[0117] The device further includes an insulating element that surrounds or encircles the heating element (32) from the outside to insulate the outside. The insulating element may be, for example, a wound aerogel felt, or a porous material or a vacuum tube. Or, in another modified embodiment, the insulating element of the heater (30) is a tube having an inner insulating cavity; an insulating cavity is provided between the inner surface and the outer surface of the tubular insulating element, and the pressure in the insulating cavity is lower than the external pressure, i.e., the insulating element is a vacuum insulating tube having a vacuum. Or, in another modified embodiment, an insulating cavity is provided between the inner surface and the outer surface of the tubular insulating element, and an insulating gas such as argon gas is filled inside the insulating cavity; the thermal conductivity coefficient of argon gas under equivalent pressure and temperature is about one-third lower than that of air, and provides effective insulation.

[0118] Or in another modified embodiment, the heater (30) is,

[0119] It further includes a temperature sensor connected to the first heating part (321) to detect the temperature of the first heating part (321).

[0120] Or in another modified embodiment, the heater (30) is,

[0121] It further includes a thermoplastic contact member for surrounding the temperature sensor on the outside of the heater (30) to wrap and secure the first temperature sensor.

[0122] In some embodiments, the thermoplastic adhesive member comprises at least one of a heat-resistant synthetic resin, polytetrafluoroethylene, Teflon, and silicone; and in some other modified embodiments, the thermoplastic adhesive member comprises a heat shrink tube or a high-temperature heat-resistant tape.

[0123] Hereinafter, a control method provided in some embodiments of the present application is described in conjunction with exemplary applications and practices of the aerosol generating device provided in the embodiments of the present application. Referring to FIG. 9, FIG. 9 is a schematic flowchart of a control method provided in some embodiments of the present application. It can be understood that the entity executing the control method may be one or more controllers of the circuit.

[0124] As illustrated in FIG. 3, the method (S10) may specifically include the following steps:

[0125] S11: In at least one heating step of a plurality of heating steps, the cell is controlled to alternately provide heating energy to a first heating part and a second heating part, wherein the heating energy provided to the second heating part is proportional to the heating energy provided to the first heating part.

[0126] Controlling the cell to alternately supply heating energy to the first and second heating sections applies to situations where the resistance values ​​of the first and second heating sections are low. This prevents the problem where the cell cannot support an excessively large current when heating the first and second heating sections simultaneously. In other examples, it can be understood that the first and second heating sections may be heated simultaneously when selecting a suitable cell.

[0127] It can be understood that during a certain duration from when the aerosol generating device is operated and starts heating until the aerosol generating device completes heating, the temperature of the first heating section or the second heating section may change, and that this duration is divided into different heating stages. Taking FIG. 10 as an example, curve (A) in the figure is a relationship curve between the temperature of the first heating section and time, and curve (B) in the figure is a relationship curve between the temperature of the second heating section and time; here, the total duration is divided into a first heating stage (T1), a second heating stage (T2), a third heating stage (T3), and a fourth heating stage (T4), and the duration of each heating stage is distributed as T1, T2, T3, and T4. Of course, the duration may also be divided into different heating stages according to other parameters such as the proportionality coefficient between the heating energy provided to the second heating section and the heating energy provided to the first heating section, and the duration of heating. The number of heating stages is not limited to the above cases.

[0128] In the first heating step (T1), the temperature of the first heating section must be rapidly increased, for example, from an initial temperature (ambient temperature) to 200°C to 350°C, specifically to 280°C, to generate an aerosol or to satisfy the user's inhalation demand by generating a satisfactory amount of aerosol. Typically, the time taken for the first heating step (T1) is relatively short, such as 15s to 30s. In some examples, the curve (A) corresponding to the first heating step (T1) further includes a heat retention step, that is, after the temperature of the first heating section reaches the maximum operating temperature, the first heating section is controlled to maintain it at that maximum operating temperature for a certain period of time.

[0129] In the first heating step (T1), the temperature of the second heating section rises slowly from the initial temperature (ambient temperature) to the first target temperature, and the first target temperature must be lower than the maximum operating temperature of the first heating section, for example, about 120°C. The first target temperature raises the temperature of the matrix in some aerosol generating products corresponding to the second heating section, but is not sufficient to generate aerosols in the matrix of that section. The second heating section may operate heating simultaneously with the first heating section, or the second heating section may operate heating again after the temperature of the first heating section has risen to the maximum operating temperature.

[0130] When the first heating step (T1) is completed, the aerosol generating device outputs a presentation signal that allows the user to inhale the aerosol. The presentation method may be vibration, sound, light (e.g., LED light or blinking), etc.

[0131] In the second heating step (T2), the user can inhale the aerosol generated after the first heating part is heated. In the second heating step (T2), the temperature of the first heating part is lowered to a first preset temperature and maintained at the first preset temperature, for example, lowered to 250°C and maintained thereat. The temperature of the second heating part is slowly raised from the first target temperature to the second target temperature, and the second target temperature is still lower than the maximum operating temperature of the first heating part or lower than the first preset temperature of the first heating part, for example, it may be around 180°C. The second target temperature further raises the temperature of the matrix in some aerosol generating product corresponding to the second heating part, but is still not sufficient to generate an aerosol in the corresponding matrix.

[0132] In the third heating stage (T3), the temperature of the first heating section is still maintained at the first preset temperature. In this heating stage, since the matrix in some aerosol generating products corresponding to the first heating section is gradually reduced, it must be supplemented with the matrix in some aerosol generating products corresponding to the second heating section to prevent the problem of reduced user inhalation experience caused by a decrease in the amount of aerosol or contained material inhaled by the user. Therefore, the temperature of the second heating section must rise from the second target temperature to the first preset temperature to generate aerosol.

[0133] In the fourth heating step (T4), the matrix in some aerosol generating product corresponding to the first heating part will be further reduced or nearly consumed, at which time the temperature of the first heating part will be lowered to a second preset temperature and maintained at that second preset temperature, for example, to 230°C and maintained at that temperature. The temperature of the second heating part must still be maintained at the first preset temperature to provide additional inhalable aerosol.

[0134] The above-described first heating step (T1) to fourth heating step (T4) controls the cell within at least one heating step to alternately provide heating energy to the first heating portion and the second heating portion.

[0135] For example, the second heating step (T2) may be divided into multiple time intervals as shown in FIG. 11, and the duration of each time interval may be the same or different. Preferably, the duration of each time interval is the same, and as shown in the figure, the duration of each time interval is t. In some embodiments, the range of time intervals (t) may be from 200 ms to 1 s. To illustrate by example, where time intervals (t) are 200 ms and the second heating step (T2) is 60 s, the second heating step (T2) may be divided into 300 time intervals (t).

[0136] Referring again to FIG. 11, the cell is controlled within any time interval (t) to alternately provide heating energy to the first heating section and the second heating section. Here, alternation means that at any given time, the cell provides heating energy to only one of the first heating section and the second heating section, does not provide heating energy to the first heating section and the second heating section simultaneously, provides heating energy to the second heating section only when the provision of heating energy to the first heating section is completed, and provides heating energy to the first heating section only when the provision of heating energy to the second heating section is completed.

[0137] Within any time period (t), the cell is controlled to alternately provide heating energy to the first heating portion and the second heating portion, so that the first heating portion and the second heating portion are heated alternately, and the number of alternations is at least one. In other words, in some embodiments, the first heating portion and the second heating portion may be heated alternately multiple times within the time period (t).

[0138] The second heating stage (T2) is divided into multiple time periods (t), and since the time set in the time period (t) is relatively short, such as 200 ms or 1 s or less, the time during which the first heating part or the second heating part is in a natural cooling state without providing heating energy within the time period (t) (also called the natural cooling stage) is very short, so the range of temperature drop in the first heating part or the second heating part during the natural cooling state is very limited; and in the next time period (t), the temperature drop caused by natural cooling in the first heating part or the second heating part is quickly replenished with heating energy to maintain and / or raise the temperature. Thus, the embodiment of the present application does not affect the rate of aerosol generation. Compared to the case where both the first heating part and the second heating part are heated simultaneously, providing heating energy alternately to the first heating part and the second heating part within each time period (t) in the embodiment of the present application can effectively save power energy consumption and improve cruising range.

[0139] In some embodiments, each time period (t) includes a first partial time period and a second partial time period;

[0140] The aforementioned step (S11) specifically includes the following steps:

[0141] S111: Within the first partial time period, control the cell to provide heating energy to the first heating part and stop providing heating energy to the second heating part.

[0142] S112: Within the second part time period, control the cell to provide heating energy to the second heating part and stop providing heating energy to the first heating part.

[0143] When the first heating stage (T1) is completed and the second heating stage (T2) is entered, the next time period (t) is entered at a fixed time interval t. Within the current time period (t), the cell is controlled within the first partial time period to provide heating energy to the first heating part, and simultaneously, the provision of heating energy to the second heating part is stopped. After the accumulated time within the current time period (t) reaches the duration of the first partial time period, the second partial time period is entered, at which time the cell is controlled to provide heating energy to the second heating part, and simultaneously, the provision of heating energy to the first heating part is stopped. After the accumulated time of the current time period (t) reaches t, the next time period (t) is entered.

[0144] In this embodiment, by controlling the cell according to a pre-set time through timing to alternately provide heating energy to the first heating section and the second heating section, the first heating section and the second heating section can be heated accurately alternately, thereby uniformly baking the aerosol-generating product to provide an aerosol with a good texture, as well as effectively saving power energy consumption and improving cruising range.

[0145] In some embodiments, the aforementioned step (S11) specifically includes the following steps:

[0146] S113: Within each time period (t), when the first heating part is placed in a natural cooling state, or when the cell stops providing heating energy to the first heating part, or when the cell is controlled to provide heating energy to the second heating part, the real-time temperature of the first heating part is detected, and if the real-time temperature is below a preset first low temperature threshold, the cell is controlled to provide heating energy to the first heating part and stop providing heating energy to the second heating part.

[0147] Here, a natural cooling state refers to a state in which heating energy is not provided. For example, when a cell provides heating energy to a second heating part and stops providing heating energy to a first heating part, the first heating part is placed in a natural cooling state. In the natural cooling state, the temperature of the first heating part and / or the second heating part decreases due to the release of heat to the outside, but the degree of temperature decrease varies depending on the thermal insulation performance of the different heating assemblies.

[0148] When the first heating part is in a natural cooling state, the temperature sensor detects the real-time temperature of the first heating part; if the real-time temperature is below a preset temperature threshold, the cell is controlled to provide heating energy to the first heating part and stop providing heating energy to the second heating part.

[0149] Here, the temperature threshold is the lower temperature limit provided by the first heating part. In some embodiments, those skilled in the art may set the temperature threshold based on the thermal insulation performance of the heating assembly or other factors.

[0150] Specifically, within a certain time period (t), the first heating section is placed in a natural cooling state, meaning the cell stops supplying heating energy to the first heating section. Since the cell alternately supplies heating energy to the first heating section and the second heating section, when the first heating section is in a natural cooling state, the cell supplies heating energy to the second heating section. If, during this period, it is detected that the real-time temperature of the first heating section is lower than a temperature threshold, this indicates significant heat loss; therefore, the cell must be controlled to immediately supply heating energy to the first heating section and stop supplying heating energy to the second heating section to ensure the temperature of the first heating section.

[0151] In this embodiment, the real-time temperature of the first heating part is detected within a time period (t). If the real-time temperature is below a preset temperature threshold, the cell is controlled to provide heating energy to the first heating part and stop providing heating energy to the second heating part, thereby ensuring that the first heating part quickly reaches the preset temperature. Furthermore, when the first heating part is placed in a natural cooling state, heat is dissipated so that the temperature does not drop too low and affect the heating operation of the aerosol generating device. By uniformly baking the aerosol generating product, not only is an aerosol with a good texture provided, but power energy consumption can also be effectively saved and cruising range improved.

[0152] In some embodiments, the aforementioned step (S11) specifically includes the following steps:

[0153] S114: In each time period (t), when the cell provides heating energy to the first heating portion, if the heating energy provided to the first heating portion is greater than or equal to a preset first energy threshold, the cell is controlled to stop providing heating energy to the first heating portion and start providing heating energy to the second heating portion; or,

[0154] During each time period (t), when the cell provides heating energy to the second heating part, if the heating energy provided to the second heating part is greater than or equal to a preset second energy threshold, the cell is controlled to stop providing heating energy to the second heating part.

[0155] In this embodiment, the energy supply from the cell to the first heating portion within each time period (t) is preset. Specifically, a first energy threshold is set, wherein the first energy threshold is the rated amount of heating energy provided by the cell to the first heating portion within the time period (t). Those skilled in the art will understand that a temperature threshold can be set according to the thermal insulation performance of the heating assembly or other factors.

[0156] The first energy threshold is the minimum heating energy required for the first heating part to heat up within the time period (t). To explain the current time period (t) as an example, when entering the current time period (t), the cell is controlled to first provide heating energy to the first heating part, and starting from 0, the energy already supplied by the first heating part within the current time period (t) is measured. If the energy already supplied is greater than or equal to the first energy threshold, it indicates that the energy already supplied has reached the rated amount, so the cell is controlled to stop providing heating energy to the first heating part and start providing heating energy to the second heating part to implement alternation.

[0157] In this embodiment, energy already supplied to the first heating section within each time period (t) is accumulated, and the first heating section and the second heating section are supplied according to the rated amount of set heating energy to accurately alternately heat the first heating section and the second heating section, thereby uniformly baking the aerosol-generating product, which not only provides an aerosol with a good texture but also effectively saves power energy consumption and improves cruising range.

[0158] Similarly, the energy supply to the second heating section of the cell is also preset. Specifically, within each time period (t), the heating energy provided to the second heating section is proportional to the heating energy provided to the first heating section, forming a directly proportional relationship (assuming the proportionality constant is k). Thus, if the energy already supplied to the second heating section exceeds the second energy threshold, it is explained that the energy already supplied has reached the rated amount; therefore, the cell is controlled to stop the supply of heating energy to the second heating section and start the supply of heating energy to the first heating section to implement alternation.

[0159] Since the proportionality constant (k) does not change at each heating step, the temperature of the second heating part gradually rises in a wave-like manner, preventing the temperature of the second heating part from changing abruptly at the corresponding heating step and ensuring that the heating temperature of the second heating part remains within a safe range.

[0160] When entering the next heating step from the previous heating step, the proportionality constant (k) is adjusted or changed to increase the temperature of the second heating part and ensure that the second heating part is heated following the first heating part.

[0161] Taking the second heating step (T2) and the third heating step (T3) as examples, the proportionality coefficient between the heating energy provided to the second heating part and the heating energy provided to the first heating part in the second heating step (T2) is k1; and the proportionality coefficient between the heating energy provided to the second heating part and the heating energy provided to the first heating part in the third heating step (T3) is k2; where the proportionality coefficient (k2) is greater than the proportionality coefficient (k1). By increasing the proportionality coefficient, the temperature of the second heating part in the third heating step (T3) is increased to the first preset temperature to generate an aerosol.

[0162] FIG. 12 is a flowchart of a control method of another embodiment of the present application.

[0163] As illustrated in FIG. 12, the method (S20) may specifically include the following steps:

[0164] S21: In at least one heating step among a plurality of heating steps, the cell is controlled based on the real-time temperature of the first heating part detected by the temperature sensor to provide heating energy to the first heating part and the second heating part, wherein the heating energy provided to the second heating part is proportional to the heating energy provided to the first heating part.

[0165] The difference from the example described above is that, in the example, controlling the cell to simultaneously provide heating energy to the first heating part and the second heating part may involve providing heating energy alternately or not providing heating energy alternately (i.e., controlling the first heating part and the second heating part to operate heating simultaneously or controlling the first heating part and the second heating part to stop heating simultaneously). Refer to the explanation of the example described above to see that the heating energy provided alternately and the heating energy provided to the second heating part are proportional to the heating energy provided to the first heating part.

[0166] In this example, the heating curve illustrated in FIG. 10 can be implemented. In other examples, the example of FIG. 9 or FIG. 12 also applies when the first heating part and the second heating part operate the heating simultaneously.

[0167] It should be explained that in the example of FIG. 9 or FIG. 12, the temperature sensors are all installed in the first heating section, and the second heating section performs temperature control along with the first heating section. In other examples, the temperature sensors are all installed in the second heating section, and the first heating section may perform temperature control along with the second heating section.

[0168] It should be noted that the device embodiments described above are merely exemplary, and the units described herein as separated parts may or may not be physically separated, and the parts indicated as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Depending on actual needs, some or all of the units may be selected to achieve the purpose of the solution of the present embodiment.

[0169] Through the description of the above embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by combining software and a general hardware platform, and of course, can be implemented through hardware. Those skilled in the art will understand that all or part of the method for implementing the above embodiments can be executed by commanding the relevant hardware through a computer program, and that such a program can be stored on a computer-readable storage medium and, when executed, may include the process of each embodiment of the method described above. The storage medium described above may be a disk, an optical disk, a Read-Only Memory (ROM), or a Random Access Memory (RAM), etc.

[0170] Finally, it must be noted that the above embodiments are merely for illustrating the technical solutions of the present application and are not intended to limit them; technical features of the above embodiments or different embodiments may be combined with one another under the context of the present application, steps may be implemented in any order, and various other variations of different aspects of the present application described above may exist and, for the sake of brevity, have not been provided in the detailed procedure. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that the present application may still be modified with respect to the technical solutions described in each of the above embodiments or that some of the technical features therein may be equivalently substituted, and that such modification or substitution does not deviate from the scope of the technical solutions of each embodiment of the present application in the essence of the corresponding technical solutions.

Claims

Claim 1 An aerosol generating device comprising: a heater for heating an aerosol generating product to generate an aerosol, wherein the heater comprises a first heating portion and a second heating portion; a cell for providing power; a temperature sensor installed in the first heating portion; and a circuit configured to provide heating energy to the first heating portion and the second heating portion by controlling the cell based on the real-time temperature of the first heating portion detected by the temperature sensor within at least one heating stage of a plurality of heating stages, wherein the heating energy provided to the second heating portion is proportional to the heating energy provided to the first heating portion. Claim 2 An aerosol generating device according to claim 1, further comprising a chamber that can be removed to accommodate the aerosol generating product; wherein the first heating portion and the second heating portion are sequentially arranged along the axial direction of the chamber. Claim 3 An aerosol generating device according to claim 1, characterized in that the heating energy provided to the second heating part and the heating energy provided to the first heating part form a directly proportional relationship. Claim 4 An aerosol generating device according to claim 1, characterized in that, within the at least one heating step, the proportionality coefficient between the heating energy provided to the second heating portion and the heating energy provided to the first heating portion does not change. Claim 5 An aerosol generating device according to claim 1, characterized in that the circuit is configured to adjust or change the proportionality coefficient between the heating energy provided to the second heating part and the heating energy provided to the first heating part when entering the next heating part from the previous heating step. Claim 6 An aerosol generating device according to claim 1, characterized in that the circuit is configured to control the cell to simultaneously provide heating energy to the first heating portion and the second heating portion. Claim 7 An aerosol generating device according to claim 6, wherein the at least one heating step comprises a plurality of time periods; and wherein the circuit is configured to control the cell within the time periods to alternately provide heating energy to the first heating portion and the second heating portion. Claim 8 An aerosol generating device according to claim 7, wherein the time zone includes a first partial time zone and a second partial time zone; and wherein the circuit is configured to control the cell to provide heating energy to the first heating portion and stop providing heating energy to the second heating portion within the first partial time zone; and to control the cell to provide heating energy to the second heating portion and stop providing heating energy to the first heating portion within the second partial time zone. Claim 9 An aerosol generating device according to claim 7, wherein the circuit is configured such that, within the time period, when the cell provides heating energy to the first heating portion, if the heating energy provided to the first heating portion is greater than or equal to a preset first energy threshold, the circuit controls the cell to stop providing heating energy to the first heating portion and starts providing heating energy to the second heating portion; or, within the time period, when the cell provides heating energy to the second heating portion, if the heating energy provided to the second heating portion is greater than or equal to a preset second energy threshold, the circuit controls the cell to stop providing heating energy to the second heating portion. Claim 10 An aerosol generating device according to claim 7, wherein the circuit is configured such that, within the above time period, when the first heating part is placed in a natural cooling state or when the cell stops providing heating energy to the first heating part or when the cell controls the cell to provide heating energy to the second heating part, if the real-time temperature of the first heating part is below a preset temperature threshold, the cell controls the cell to provide heating energy to the first heating part and stops providing heating energy to the second heating part. Claim 11 An aerosol generating device comprising: a heater for heating an aerosol generating product to generate an aerosol, wherein the heater comprises a first heating portion and a second heating portion; a cell for providing power; and a circuit configured to control the cell to alternately provide heating energy to the first heating portion and the second heating portion within at least one heating stage of a plurality of heating stages, wherein the heating energy provided to the second heating portion is proportional to the heating energy provided to the first heating portion. Claim 12 A method for controlling an aerosol generating device, wherein the aerosol generating device comprises a heater for heating an aerosol generating product and a cell for providing power, wherein the heater comprises a first heating portion and a second heating portion; and wherein the control method comprises, within at least one heating step of a plurality of heating steps, a step of controlling the cell based on the real-time temperature of the first heating portion detected by the temperature sensor to provide heating energy to the first heating portion and the second heating portion, wherein the heating energy provided to the second heating portion is proportional to the heating energy provided to the first heating portion. Claim 13 A method for controlling an aerosol generating device according to claim 12, characterized in that the heating energy provided to the second heating portion and the heating energy provided to the first heating portion form a directly proportional relationship. Claim 14 A method for controlling an aerosol generating device according to claim 12, characterized in that, within the at least one heating step, the proportionality coefficient between the heating energy provided to the second heating portion and the heating energy provided to the first heating portion does not change. Claim 15 A control method for an aerosol generating device according to claim 12, characterized by adjusting or changing the proportionality coefficient between the heating energy provided to the second heating part and the heating energy provided to the first heating part when entering the next heating part from the previous heating part.

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